216 files changed, 2165 insertions, 1238 deletions

diff --git a/src/AllocationPool.h b/src/AllocationPool.h
index 7c358cc84..e82f9807e 100644
--- a/src/AllocationPool.h
+++ b/src/AllocationPool.h
@@ -39,8 +39,8 @@ class cListAllocationPool : public cAllocationPool<T>
 {
 	public:
 		
-		cListAllocationPool(std::auto_ptr<typename cAllocationPool<T>::cStarvationCallbacks> a_Callbacks) :
-			m_Callbacks(a_Callbacks)
+		cListAllocationPool(std::unique_ptr<typename cAllocationPool<T>::cStarvationCallbacks> a_Callbacks) :
+			m_Callbacks(std::move(a_Callbacks))
 		{
 			for (size_t i = 0; i < NumElementsInReserve; i++)
 			{
@@ -105,7 +105,7 @@ class cListAllocationPool : public cAllocationPool<T>
 		
 	private:
 		std::list<void *> m_FreeList;
-		std::auto_ptr<typename cAllocationPool<T>::cStarvationCallbacks> m_Callbacks;
+		std::unique_ptr<typename cAllocationPool<T>::cStarvationCallbacks> m_Callbacks;
 };
 
 
diff --git a/src/Bindings/BindingsProcessor.lua b/src/Bindings/BindingsProcessor.lua
index f86be6c6d..fba992082 100644
--- a/src/Bindings/BindingsProcessor.lua
+++ b/src/Bindings/BindingsProcessor.lua
@@ -101,7 +101,7 @@ local function OutputLuaStateHelpers(a_Package)
 			f:write("void Push(" .. item.name .. " * a_Value);\n")
 		end
 		for _, item in ipairs(types) do
-			f:write("void GetStackValue(int a_StackPos, Ptr" .. item.lname .. " & a_ReturnedVal);\n")
+			f:write("bool GetStackValue(int a_StackPos, Ptr" .. item.lname .. " & a_ReturnedVal);\n")
 		end
 		f:write("\n\n\n\n\n")
 		f:close()
@@ -125,15 +125,17 @@ local function OutputLuaStateHelpers(a_Package)
 			end
 		end
 		for _, item in ipairs(types) do
-			f:write("void cLuaState::GetStackValue(int a_StackPos, Ptr" .. item.lname .. " & a_ReturnedVal)\n{\n\tASSERT(IsValid());\n")
+			f:write("bool cLuaState::GetStackValue(int a_StackPos, Ptr" .. item.lname .. " & a_ReturnedVal)\n{\n\tASSERT(IsValid());\n")
 			f:write("\tif (lua_isnil(m_LuaState, a_StackPos))\n\t{\n")
-			f:write("\t	a_ReturnedVal = nullptr;\n")
-			f:write("\t	return;\n\t}\n")
+			f:write("\t\ta_ReturnedVal = nullptr;\n")
+			f:write("\t\treturn false;\n\t}\n")
 			f:write("\ttolua_Error err;\n")
 			f:write("\tif (tolua_isusertype(m_LuaState, a_StackPos, \"" .. item.name .. "\", false, &err))\n")
 			f:write("\t{\n")
-			f:write("\t	a_ReturnedVal = *(reinterpret_cast<" .. item.name .. " **>(lua_touserdata(m_LuaState, a_StackPos)));\n")
+			f:write("\t\ta_ReturnedVal = *(reinterpret_cast<" .. item.name .. " **>(lua_touserdata(m_LuaState, a_StackPos)));\n")
+			f:write("\t\treturn true;\n");
 			f:write("\t}\n")
+			f:write("\treturn false;\n")
 			f:write("}\n\n\n\n\n\n")
 		end
 		f:close()
diff --git a/src/Bindings/CMakeLists.txt b/src/Bindings/CMakeLists.txt
index 133c2224d..0a069ad85 100644
--- a/src/Bindings/CMakeLists.txt
+++ b/src/Bindings/CMakeLists.txt
@@ -145,6 +145,15 @@ set_source_files_properties(${BINDING_OUTPUTS} PROPERTIES GENERATED TRUE)
 
 set_source_files_properties(${CMAKE_SOURCE_DIR}/src/Bindings/Bindings.cpp PROPERTIES COMPILE_FLAGS -Wno-error)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(DeprecatedBindings.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(LuaState.cpp COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(LuaWindow.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum")
+	set_source_files_properties(ManualBindings.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(ManualBindings_World.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(PluginLua.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Bindings ${SRCS} ${HDRS})
 
diff --git a/src/Bindings/LuaChunkStay.cpp b/src/Bindings/LuaChunkStay.cpp
index e50ffb75b..1afd09d11 100644
--- a/src/Bindings/LuaChunkStay.cpp
+++ b/src/Bindings/LuaChunkStay.cpp
@@ -41,7 +41,7 @@ bool cLuaChunkStay::AddChunks(int a_ChunkCoordTableStackPos)
 	
 	// Add each set of coords:
 	int NumChunks = luaL_getn(L, a_ChunkCoordTableStackPos);
-	m_Chunks.reserve((size_t)NumChunks);
+	m_Chunks.reserve(static_cast<size_t>(NumChunks));
 	for (int idx = 1; idx <= NumChunks; idx++)
 	{
 		// Push the idx-th element of the array onto stack top, check that it's a table:
@@ -133,7 +133,7 @@ void cLuaChunkStay::OnChunkAvailable(int a_ChunkX, int a_ChunkZ)
 	if (m_OnChunkAvailable.IsValid())
 	{
 		cPluginLua::cOperation Op(m_Plugin);
-		Op().Call((int)m_OnChunkAvailable, a_ChunkX, a_ChunkZ);
+		Op().Call(static_cast<int>(m_OnChunkAvailable), a_ChunkX, a_ChunkZ);
 	}
 }
 
@@ -147,7 +147,7 @@ bool cLuaChunkStay::OnAllChunksAvailable(void)
 	{
 		// Call the callback:
 		cPluginLua::cOperation Op(m_Plugin);
-		Op().Call((int)m_OnAllChunksAvailable);
+		Op().Call(static_cast<int>(m_OnAllChunksAvailable));
 		
 		// Remove the callback references - they won't be needed anymore
 		m_OnChunkAvailable.UnRef();
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 08c7e19d7..232432a99 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -701,108 +701,95 @@ void cLuaState::PushUserType(void * a_Object, const char * a_Type)
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, AString & a_Value)
+bool cLuaState::GetStackValue(int a_StackPos, AString & a_Value)
 {
 	size_t len = 0;
 	const char * data = lua_tolstring(m_LuaState, a_StackPos, &len);
 	if (data != nullptr)
 	{
 		a_Value.assign(data, len);
+		return true;
 	}
+	return false;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, BLOCKTYPE & a_ReturnedVal)
-{
-	if (lua_isnumber(m_LuaState, a_StackPos))
-	{
-		a_ReturnedVal = static_cast<BLOCKTYPE>(tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal));
-	}
-}
-
-
-
-
-
-void cLuaState::GetStackValue(int a_StackPos, bool & a_ReturnedVal)
+bool cLuaState::GetStackValue(int a_StackPos, bool & a_ReturnedVal)
 {
 	a_ReturnedVal = (tolua_toboolean(m_LuaState, a_StackPos, a_ReturnedVal ? 1 : 0) > 0);
+	return true;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, cPluginManager::CommandResult & a_Result)
+bool cLuaState::GetStackValue(int a_StackPos, cPluginManager::CommandResult & a_Result)
 {
 	if (lua_isnumber(m_LuaState, a_StackPos))
 	{
 		a_Result = static_cast<cPluginManager::CommandResult>(static_cast<int>((tolua_tonumber(m_LuaState, a_StackPos, a_Result))));
+		return true;
 	}
+	return false;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, cRef & a_Ref)
+bool cLuaState::GetStackValue(int a_StackPos, cRef & a_Ref)
 {
 	a_Ref.RefStack(*this, a_StackPos);
+	return true;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, double & a_ReturnedVal)
+bool cLuaState::GetStackValue(int a_StackPos, double & a_ReturnedVal)
 {
 	if (lua_isnumber(m_LuaState, a_StackPos))
 	{
 		a_ReturnedVal = tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal);
+		return true;
 	}
+	return false;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, float & a_ReturnedVal)
+bool cLuaState::GetStackValue(int a_StackPos, float & a_ReturnedVal)
 {
 	if (lua_isnumber(m_LuaState, a_StackPos))
 	{
 		a_ReturnedVal = static_cast<float>(tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal));
+		return true;
 	}
+	return false;
 }
 
 
 
 
 
-void cLuaState::GetStackValue(int a_StackPos, eWeather & a_ReturnedVal)
+bool cLuaState::GetStackValue(int a_StackPos, eWeather & a_ReturnedVal)
 {
 	if (!lua_isnumber(m_LuaState, a_StackPos))
 	{
-		return;
+		return false;
 	}
 	a_ReturnedVal = static_cast<eWeather>(Clamp(
 		static_cast<int>(tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal)),
 		static_cast<int>(wSunny), static_cast<int>(wThunderstorm))
 	);
-}
-
-
-
-
-
-void cLuaState::GetStackValue(int a_StackPos, int & a_ReturnedVal)
-{
-	if (lua_isnumber(m_LuaState, a_StackPos))
-	{
-		a_ReturnedVal = static_cast<int>(tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal));
-	}
+	return true;
 }
 
 
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 5b4ec3ae4..8a3411d30 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -187,16 +187,37 @@ public:
 	void Push(cLuaUDPEndpoint * a_UDPEndpoint);
 	
 	// GetStackValue() retrieves the value at a_StackPos, if it is a valid type. If not, a_Value is unchanged.
+	// Returns whether value was changed
 	// Enum values are clamped to their allowed range.
-	void GetStackValue(int a_StackPos, AString & a_Value);
-	void GetStackValue(int a_StackPos, BLOCKTYPE & a_Value);
-	void GetStackValue(int a_StackPos, bool & a_Value);
-	void GetStackValue(int a_StackPos, cPluginManager::CommandResult & a_Result);
-	void GetStackValue(int a_StackPos, cRef & a_Ref);
-	void GetStackValue(int a_StackPos, double & a_Value);
-	void GetStackValue(int a_StackPos, eWeather & a_Value);
-	void GetStackValue(int a_StackPos, float & a_ReturnedVal);
-	void GetStackValue(int a_StackPos, int & a_Value);
+	bool GetStackValue(int a_StackPos, AString & a_Value);
+	bool GetStackValue(int a_StackPos, bool & a_Value);
+	bool GetStackValue(int a_StackPos, cPluginManager::CommandResult & a_Result);
+	bool GetStackValue(int a_StackPos, cRef & a_Ref);
+	bool GetStackValue(int a_StackPos, double & a_Value);
+	bool GetStackValue(int a_StackPos, eWeather & a_Value);
+	bool GetStackValue(int a_StackPos, float & a_ReturnedVal);
+
+	// template to catch all of the various c++ integral types without overload conflicts
+	template <class T>
+	bool GetStackValue(int a_StackPos, T & a_ReturnedVal, typename std::enable_if<std::is_integral<T>::value>::type * unused = nullptr)
+	{
+		UNUSED(unused);
+		if (lua_isnumber(m_LuaState, a_StackPos))
+		{
+			lua_Number Val = tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal);
+			if (Val > std::numeric_limits<T>::max())
+			{
+				return false;
+			}
+			if (Val < std::numeric_limits<T>::min())
+			{
+				return false;
+			}
+			a_ReturnedVal = static_cast<T>(Val);
+			return true;
+		}
+		return false;
+	}
 
 	// Include the auto-generated Push and GetStackValue() functions:
 	#include "LuaState_Declaration.inc"
@@ -218,10 +239,13 @@ public:
 
 	/** Retrieves a list of values from the Lua stack, starting at the specified index. */
 	template <typename T, typename... Args>
-	inline void GetStackValues(int a_StartStackPos, T & a_Ret, Args &&... args)
+	inline bool GetStackValues(int a_StartStackPos, T & a_Ret, Args &&... args)
 	{
-		GetStackValue(a_StartStackPos, a_Ret);
-		GetStackValues(a_StartStackPos + 1, args...);
+		if (!GetStackValue(a_StartStackPos, a_Ret))
+		{
+			return false;
+		}
+		return GetStackValues(a_StartStackPos + 1, args...);
 	}
 
 	/** Returns true if the specified parameters on the stack are of the specified usertable type; also logs warning if not. Used for static functions */
@@ -349,9 +373,9 @@ protected:
 	/** Variadic template terminator: If there are no more values to get, bail out.
 	This function is not available in the public API, because it's an error to request no values directly; only internal functions can do that.
 	If you get a compile error saying this function is not accessible, check your calling code, you aren't reading any stack values. */
-	void GetStackValues(int a_StartingStackPos)
+	bool GetStackValues(int a_StartingStackPos)
 	{
-		// Do nothing
+		return true;
 	}
 
 	/** Pushes the function of the specified name onto the stack.
@@ -369,7 +393,7 @@ protected:
 	*/
 	bool PushFunction(const cRef & a_FnRef)
 	{
-		return PushFunction((int)a_FnRef);
+		return PushFunction(static_cast<int>(a_FnRef));
 	}
 	
 	/** Pushes a function that is stored in a referenced table by name
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index ff904d74a..bce1891e2 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -158,7 +158,7 @@ static int tolua_UncompressStringZLIB(lua_State * tolua_S)
 
 	// Get the params:
 	AString ToUncompress;
-	int UncompressedSize;
+	size_t UncompressedSize;
 	S.GetStackValues(1, ToUncompress, UncompressedSize);
 
 	// Compress the string:
@@ -1801,7 +1801,7 @@ static int tolua_cMojangAPI_GetUUIDsFromPlayerNames(lua_State * L)
 	// Convert the input table into AStringVector:
 	AStringVector PlayerNames;
 	int NumNames = luaL_getn(L, 2);
-	PlayerNames.reserve(NumNames);
+	PlayerNames.reserve(static_cast<size_t>(NumNames));
 	for (int i = 1; i <= NumNames; i++)
 	{
 		lua_rawgeti(L, 2, i);
diff --git a/src/Bindings/ManualBindings.h b/src/Bindings/ManualBindings.h
index e7a576588..f8c9b96de 100644
--- a/src/Bindings/ManualBindings.h
+++ b/src/Bindings/ManualBindings.h
@@ -199,7 +199,7 @@ public:
 
 		// Get parameters:
 		Ty1 * Self = nullptr;
-		int ItemID;
+		UInt32 ItemID;
 		cLuaState::cRef FnRef;
 		L.GetStackValues(1, Self, ItemID, FnRef);
 		if (Self == nullptr)
@@ -253,8 +253,9 @@ public:
 		// Check params:
 		cLuaState L(tolua_S);
 		if (
-			!L.CheckParamNumber(2, 5) ||
-			!L.CheckParamFunction(6)
+			!L.CheckParamNumber(2, 4) ||
+			!L.CheckParamFunction(5) ||
+			!L.CheckParamEnd(6)
 		)
 		{
 			return 0;
@@ -316,8 +317,9 @@ public:
 		// Check params:
 		cLuaState L(tolua_S);
 		if (
-			!L.CheckParamNumber(2, 4) ||
-			!L.CheckParamFunction(5)
+			!L.CheckParamNumber(2, 3) ||
+			!L.CheckParamFunction(4) ||
+			!L.CheckParamEnd(5)
 		)
 		{
 			return 0;
diff --git a/src/Bindings/ManualBindings_Network.cpp b/src/Bindings/ManualBindings_Network.cpp
index df97d60b3..b5fb5b046 100644
--- a/src/Bindings/ManualBindings_Network.cpp
+++ b/src/Bindings/ManualBindings_Network.cpp
@@ -101,13 +101,12 @@ static int tolua_cNetwork_CreateUDPEndpoint(lua_State * L)
 	}
 
 	// Read the params:
-	int Port;
-	S.GetStackValues(2, Port);
+	UInt16 Port;
 
 	// Check validity:
-	if ((Port < 0) || (Port > 65535))
+	if (!S.GetStackValues(2, Port))
 	{
-		LOGWARNING("cNetwork:CreateUDPEndpoint() called with invalid port (%d), failing the request.", Port);
+		LOGWARNING("cNetwork:CreateUDPEndpoint() called with invalid port, failing the request.");
 		S.Push(false);
 		return 1;
 	}
diff --git a/src/Bindings/ManualBindings_World.cpp b/src/Bindings/ManualBindings_World.cpp
index 5becbba92..ddbebce78 100644
--- a/src/Bindings/ManualBindings_World.cpp
+++ b/src/Bindings/ManualBindings_World.cpp
@@ -50,7 +50,7 @@ static int tolua_cWorld_BroadcastParticleEffect(lua_State * tolua_S)
 	std::array<int, 2> data;
 	for (int i = 0; (i < 2) && L.IsParamNumber(11 + i); i++)
 	{
-		L.GetStackValue(11 + i, data[i]);
+		L.GetStackValue(11 + i, data[static_cast<size_t>(i)]);
 	}
 
 	World->GetBroadcaster().BroadcastParticleEffect(Name, Vector3f(PosX, PosY, PosZ), Vector3f(OffX, OffY, OffZ), ParticleData, ParticleAmmount, ExcludeClient);
@@ -303,10 +303,9 @@ static int tolua_cWorld_PrepareChunk(lua_State * tolua_S)
 		cLuaState m_LuaState;
 		cLuaState::cRef m_Callback;
 	};
-	cCallback * callback = new cCallback(tolua_S);
 
 	// Call the chunk preparation:
-	world->PrepareChunk(chunkX, chunkZ, callback);
+	world->PrepareChunk(chunkX, chunkZ, cpp14::make_unique<cCallback>(tolua_S));
 	return 0;
 }
 
diff --git a/src/Bindings/PluginLua.cpp b/src/Bindings/PluginLua.cpp
index 234bf579b..d3ffcd0f4 100644
--- a/src/Bindings/PluginLua.cpp
+++ b/src/Bindings/PluginLua.cpp
@@ -629,11 +629,6 @@ bool cPluginLua::OnExploded(cWorld & a_World, double a_ExplosionSize, bool a_Can
 			case esWitherSkullBlue:  m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData, cLuaState::Return, res); break;
 			case esWitherBirth:      m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData, cLuaState::Return, res); break;
 			case esPlugin:           m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData, cLuaState::Return, res); break;
-			default:
-			{
-				ASSERT(!"Unhandled ExplosionSource");
-				return false;
-			}
 		}
 		if (res)
 		{
@@ -670,11 +665,6 @@ bool cPluginLua::OnExploding(cWorld & a_World, double & a_ExplosionSize, bool &
 			case esWitherSkullBlue:  m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData,               cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break;
 			case esWitherBirth:      m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData,               cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break;
 			case esPlugin:           m_LuaState.Call((int)(**itr), &a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, a_SourceData,               cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break;
-			default:
-			{
-				ASSERT(!"Unhandled ExplosionSource");
-				return false;
-			}
 		}
 		if (res)
 		{
diff --git a/src/Bindings/PluginManager.cpp b/src/Bindings/PluginManager.cpp
index 4dc3e20d3..5b6bec728 100644
--- a/src/Bindings/PluginManager.cpp
+++ b/src/Bindings/PluginManager.cpp
@@ -1935,7 +1935,7 @@ size_t cPluginManager::GetNumLoadedPlugins(void) const
 AStringVector cPluginManager::GetFoldersToLoad(cSettingsRepositoryInterface & a_Settings)
 {
 	// Check if the Plugins section exists.
-	if (a_Settings.KeyExists("Plugins"))
+	if (!a_Settings.KeyExists("Plugins"))
 	{
 		InsertDefaultPlugins(a_Settings);
 	}
diff --git a/src/BiomeDef.cpp b/src/BiomeDef.cpp
index a2a06f10c..9dbdf05a2 100644
--- a/src/BiomeDef.cpp
+++ b/src/BiomeDef.cpp
@@ -98,11 +98,11 @@ EMCSBiome StringToBiome(const AString & a_BiomeString)
 	{
 		if ((res >= biFirstBiome) && (res < biNumBiomes))
 		{
-			return (EMCSBiome)res;
+			return static_cast<EMCSBiome>(res);
 		}
 		else if ((res >= biFirstVariantBiome) && (res < biNumVariantBiomes))
 		{
-			return (EMCSBiome)res;
+			return static_cast<EMCSBiome>(res);
 		}
 		// It was an invalid number
 		return biInvalidBiome;
diff --git a/src/BlockArea.cpp b/src/BlockArea.cpp
index 89cf18d4a..7982afc31 100644
--- a/src/BlockArea.cpp
+++ b/src/BlockArea.cpp
@@ -60,7 +60,7 @@ void InternalMergeBlocks(
 				else
 				{
 					NIBBLETYPE FakeDestMeta = 0;
-					Combinator(a_DstTypes[DstIdx], a_SrcTypes[SrcIdx], FakeDestMeta, (NIBBLETYPE)0);
+					Combinator(a_DstTypes[DstIdx], a_SrcTypes[SrcIdx], FakeDestMeta, static_cast<NIBBLETYPE>(0));
 				}
 				++DstIdx;
 				++SrcIdx;
@@ -620,7 +620,7 @@ void cBlockArea::DumpToRawFile(const AString & a_FileName)
 	f.Write(&SizeX, 4);
 	f.Write(&SizeY, 4);
 	f.Write(&SizeZ, 4);
-	unsigned char DataTypes = (unsigned char)GetDataTypes();
+	unsigned char DataTypes = static_cast<unsigned char>(GetDataTypes());
 	f.Write(&DataTypes, 1);
 	size_t NumBlocks = GetBlockCount();
 	if (HasBlockTypes())
@@ -2157,7 +2157,7 @@ void cBlockArea::ExpandBlockTypes(int a_SubMinX, int a_AddMaxX, int a_SubMinY, i
 	int NewSizeX = m_Size.x + a_SubMinX + a_AddMaxX;
 	int NewSizeY = m_Size.y + a_SubMinY + a_AddMaxY;
 	int NewSizeZ = m_Size.z + a_SubMinZ + a_AddMaxZ;
-	size_t BlockCount = (size_t)(NewSizeX * NewSizeY * NewSizeZ);
+	size_t BlockCount = static_cast<size_t>(NewSizeX * NewSizeY * NewSizeZ);
 	BLOCKTYPE * NewBlockTypes = new BLOCKTYPE[BlockCount];
 	memset(NewBlockTypes, 0, BlockCount * sizeof(BLOCKTYPE));
 	int OldIndex = 0;
@@ -2187,7 +2187,7 @@ void cBlockArea::ExpandNibbles(NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMa
 	int NewSizeX = m_Size.x + a_SubMinX + a_AddMaxX;
 	int NewSizeY = m_Size.y + a_SubMinY + a_AddMaxY;
 	int NewSizeZ = m_Size.z + a_SubMinZ + a_AddMaxZ;
-	size_t BlockCount = (size_t)(NewSizeX * NewSizeY * NewSizeZ);
+	size_t BlockCount = static_cast<size_t>(NewSizeX * NewSizeY * NewSizeZ);
 	NIBBLETYPE * NewNibbles = new NIBBLETYPE[BlockCount];
 	memset(NewNibbles, 0, BlockCount * sizeof(NIBBLETYPE));
 	int OldIndex = 0;
diff --git a/src/BlockArea.h b/src/BlockArea.h
index 856df542f..4b672029b 100644
--- a/src/BlockArea.h
+++ b/src/BlockArea.h
@@ -321,7 +321,7 @@ public:
 	NIBBLETYPE * GetBlockMetas   (void) const { return m_BlockMetas; }     // NOTE: one byte per block!
 	NIBBLETYPE * GetBlockLight   (void) const { return m_BlockLight; }     // NOTE: one byte per block!
 	NIBBLETYPE * GetBlockSkyLight(void) const { return m_BlockSkyLight; }  // NOTE: one byte per block!
-	size_t       GetBlockCount(void) const { return (size_t)(m_Size.x * m_Size.y * m_Size.z); }
+	size_t       GetBlockCount(void) const { return static_cast<size_t>(m_Size.x * m_Size.y * m_Size.z); }
 	int MakeIndex(int a_RelX, int a_RelY, int a_RelZ) const;
 
 protected:
diff --git a/src/BlockEntities/BeaconEntity.cpp b/src/BlockEntities/BeaconEntity.cpp
index fb3940ce9..a945c6ea9 100644
--- a/src/BlockEntities/BeaconEntity.cpp
+++ b/src/BlockEntities/BeaconEntity.cpp
@@ -77,7 +77,7 @@ bool cBeaconEntity::IsValidEffect(cEntityEffect::eType a_Effect, char a_BeaconLe
 
 		default:
 		{
-			LOGD("%s: Invalid beacon effect: %d", __FUNCTION__, (int)a_Effect);
+			LOGD("%s: Invalid beacon effect: %d", __FUNCTION__, static_cast<int>(a_Effect));
 			return false;
 		}
 	}
@@ -228,9 +228,9 @@ void cBeaconEntity::GiveEffects(void)
 		virtual bool Item(cPlayer * a_Player)
 		{
 			Vector3d PlayerPosition = Vector3d(a_Player->GetPosition());
-			if (PlayerPosition.y > (double)m_PosY)
+			if (PlayerPosition.y > static_cast<double>(m_PosY))
 			{
-				PlayerPosition.y = (double)m_PosY;
+				PlayerPosition.y = static_cast<double>(m_PosY);
 			}
 
 			// TODO: Vanilla minecraft uses an AABB check instead of a radius one
diff --git a/src/BlockEntities/CMakeLists.txt b/src/BlockEntities/CMakeLists.txt
index 5f4af288d..b0bfca5e4 100644
--- a/src/BlockEntities/CMakeLists.txt
+++ b/src/BlockEntities/CMakeLists.txt
@@ -41,6 +41,11 @@ SET (HDRS
 	NoteEntity.h
 	SignEntity.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(BeaconEntity.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=switch-enum")
+	set_source_files_properties(NoteEntity.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=sign-conversion")
+endif()
+
 if(NOT MSVC)
 	add_library(BlockEntities ${SRCS} ${HDRS})
 endif()
diff --git a/src/BlockEntities/MobSpawnerEntity.cpp b/src/BlockEntities/MobSpawnerEntity.cpp
index 764d7af84..1a0ce5b22 100644
--- a/src/BlockEntities/MobSpawnerEntity.cpp
+++ b/src/BlockEntities/MobSpawnerEntity.cpp
@@ -145,9 +145,9 @@ void cMobSpawnerEntity::SpawnEntity(void)
 					break;
 				}
 
-				int RelX = (int) (m_RelX + (double)(Random.NextFloat() - Random.NextFloat()) * 4.0);
+				int RelX = static_cast<int>(m_RelX + static_cast<double>(Random.NextFloat() - Random.NextFloat()) * 4.0);
 				int RelY = m_RelY + Random.NextInt(3) - 1;
-				int RelZ = (int) (m_RelZ + (double)(Random.NextFloat() - Random.NextFloat()) * 4.0);
+				int RelZ = static_cast<int>(m_RelZ + static_cast<double>(Random.NextFloat() - Random.NextFloat()) * 4.0);
 
 				cChunk * Chunk = a_Chunk->GetRelNeighborChunkAdjustCoords(RelX, RelZ);
 				if ((Chunk == nullptr) || !Chunk->IsValid())
@@ -172,7 +172,13 @@ void cMobSpawnerEntity::SpawnEntity(void)
 					if (Chunk->GetWorld()->SpawnMobFinalize(Monster) != cEntity::INVALID_ID)
 					{
 						EntitiesSpawned = true;
-						Chunk->BroadcastSoundParticleEffect(2004, (int)(PosX * 8.0), (int)(RelY * 8.0), (int)(PosZ * 8.0), 0);
+						Chunk->BroadcastSoundParticleEffect(
+							2004,
+							static_cast<int>(PosX * 8.0),
+							static_cast<int>(RelY * 8.0),
+							static_cast<int>(PosZ * 8.0),
+							0
+						);
 						m_NearbyEntitiesNum++;
 					}
 				}
@@ -246,9 +252,9 @@ int cMobSpawnerEntity::GetNearbyMonsterNum(eMonsterType a_EntityType)
 	class cCallback : public cChunkDataCallback
 	{
 	public:
-		cCallback(Vector3d a_SpawnerPos, eMonsterType a_EntityType, int & a_NumEntities) :
+		cCallback(Vector3d a_SpawnerPos, eMonsterType a_CallbackEntityType, int & a_NumEntities) :
 			m_SpawnerPos(a_SpawnerPos),
-			m_EntityType(a_EntityType),
+			m_EntityType(a_CallbackEntityType),
 			m_NumEntities(a_NumEntities)
 		{
 		}
@@ -260,7 +266,7 @@ int cMobSpawnerEntity::GetNearbyMonsterNum(eMonsterType a_EntityType)
 				return;
 			}
 
-			cMonster * Mob = (cMonster *)a_Entity;
+			cMonster * Mob = static_cast<cMonster *>(a_Entity);
 			if (Mob->GetMobType() != m_EntityType)
 			{
 				return;
diff --git a/src/BlockEntities/NoteEntity.cpp b/src/BlockEntities/NoteEntity.cpp
index a9af13c55..29839bae1 100644
--- a/src/BlockEntities/NoteEntity.cpp
+++ b/src/BlockEntities/NoteEntity.cpp
@@ -90,8 +90,15 @@ void cNoteEntity::MakeSound(void)
 	m_World->BroadcastBlockAction(m_PosX, m_PosY, m_PosZ, instrument, m_Pitch, E_BLOCK_NOTE_BLOCK);
 	
 	// TODO: instead of calculating the power function over and over, make a precalculated table - there's only 24 pitches after all
-	float calcPitch = pow(2.0f, ((float)m_Pitch - 12.0f) / 12.0f);
-	m_World->BroadcastSoundEffect(sampleName, (double)m_PosX, (double)m_PosY, (double)m_PosZ, 3.0f, calcPitch);
+	float calcPitch = pow(2.0f, static_cast<float>(m_Pitch - 12.0f) / 12.0f);
+	m_World->BroadcastSoundEffect(
+		sampleName,
+		static_cast<double>(m_PosX),
+		static_cast<double>(m_PosY),
+		static_cast<double>(m_PosZ),
+		3.0f,
+		calcPitch
+	);
 }
 
 
diff --git a/src/BlockID.cpp b/src/BlockID.cpp
index 7f0db3cfc..c598df0aa 100644
--- a/src/BlockID.cpp
+++ b/src/BlockID.cpp
@@ -96,8 +96,7 @@ public:
 		else
 		{
 			// Not a resolvable string, try pure numbers: "45:6", "45^6" etc.
-			a_Item.m_ItemType = (short)atoi(Split[0].c_str());
-			if ((a_Item.m_ItemType == 0) && (Split[0] != "0"))
+			if (!StringToInteger(Split[0], a_Item.m_ItemType))
 			{
 				// Parsing the number failed
 				return false;
@@ -111,9 +110,8 @@ public:
 			a_Item.m_ItemCount = 1;
 			return true;
 		}
-		
-		a_Item.m_ItemDamage = (short)atoi(Split[1].c_str());
-		if ((a_Item.m_ItemDamage == 0) && (Split[1] != "0"))
+
+		if (!StringToInteger(Split[1], a_Item.m_ItemDamage))
 		{
 			// Parsing the number failed
 			return false;
@@ -175,8 +173,16 @@ protected:
 		{
 			return;
 		}
-		short ItemType = (short)atoi(Split[0].c_str());
-		short ItemDamage = (Split.size() > 1) ? (short)atoi(Split[1].c_str()) : -1;
+		short ItemType;
+		if (!StringToInteger(Split[0], ItemType))
+		{
+			ASSERT(!"Invalid item type");
+		}
+		short ItemDamage = -1;
+		if (Split.size() > 1 && !StringToInteger(Split[1], ItemDamage))
+		{
+			ASSERT(!"Invalid item damage");
+		}
 		m_Map[a_Name] = std::make_pair(ItemType, ItemDamage);
 	}
 } ;
@@ -288,11 +294,11 @@ AString ItemToFullString(const cItem & a_Item)
 eDimension StringToDimension(const AString & a_DimensionString)
 {
 	// First try decoding as a number
-	int res = atoi(a_DimensionString.c_str());
-	if ((res != 0) || (a_DimensionString == "0"))
+	int res;
+	if (StringToInteger(a_DimensionString, res))
 	{
 		// It was a valid number
-		return (eDimension)res;
+		return static_cast<eDimension>(res);
 	}
 	
 	// Decode using a built-in map:
@@ -350,7 +356,7 @@ AString DimensionToString(eDimension a_Dimension)
 	}  // for i - DimensionMap[]
 
 	// Not found
-	LOGWARNING("Unknown dimension: \"%i\". Setting to Overworld", (int)a_Dimension);
+	LOGWARNING("Unknown dimension: \"%i\". Setting to Overworld", static_cast<int>(a_Dimension));
 	return "Overworld";
 }
 
@@ -386,7 +392,7 @@ AString DamageTypeToString(eDamageType a_DamageType)
 	
 	// Unknown damage type:
 	ASSERT(!"Unknown DamageType");
-	return Printf("dtUnknown_%d", (int)a_DamageType);
+	return Printf("dtUnknown_%d", static_cast<int>(a_DamageType));
 }
 
 
@@ -397,11 +403,11 @@ AString DamageTypeToString(eDamageType a_DamageType)
 eDamageType StringToDamageType(const AString & a_DamageTypeString)
 {
 	// First try decoding as a number:
-	int res = atoi(a_DamageTypeString.c_str());
-	if ((res != 0) || (a_DamageTypeString == "0"))
+	int res;
+	if (!StringToInteger(a_DamageTypeString, res))
 	{
 		// It was a valid number
-		return (eDamageType)res;
+		return static_cast<eDamageType>(res);
 	}
 	
 	// Decode using a built-in map:
@@ -462,7 +468,7 @@ eDamageType StringToDamageType(const AString & a_DamageTypeString)
 	}  // for i - DamageTypeMap[]
 	
 	// Not found:
-	return (eDamageType)-1;
+	return static_cast<eDamageType>(-1);
 }
 
 
diff --git a/src/BlockInfo.cpp b/src/BlockInfo.cpp
index 3c5e8d7b7..04d214b01 100644
--- a/src/BlockInfo.cpp
+++ b/src/BlockInfo.cpp
@@ -19,7 +19,7 @@ void cBlockInfo::Initialize(cBlockInfoArray & a_Info)
 	{
 		if (a_Info[i].m_Handler == nullptr)
 		{
-			a_Info[i].m_Handler = cBlockHandler::CreateBlockHandler((BLOCKTYPE) i);
+			a_Info[i].m_Handler = cBlockHandler::CreateBlockHandler(static_cast<BLOCKTYPE>(i));
 		}
 	}
 
diff --git a/src/Blocks/BlockAnvil.h b/src/Blocks/BlockAnvil.h
index abfa0f782..154394550 100644
--- a/src/Blocks/BlockAnvil.h
+++ b/src/Blocks/BlockAnvil.h
@@ -46,10 +46,10 @@ public:
 
 		switch (Direction)
 		{
-			case 0: a_BlockMeta = 0x2 | Meta << 2; break;
-			case 1: a_BlockMeta = 0x3 | Meta << 2; break;
-			case 2: a_BlockMeta = 0x0 | Meta << 2; break;
-			case 3: a_BlockMeta = 0x1 | Meta << 2; break;
+			case 0: a_BlockMeta = static_cast<NIBBLETYPE>(0x2 | Meta << 2); break;
+			case 1: a_BlockMeta = static_cast<NIBBLETYPE>(0x3 | Meta << 2); break;
+			case 2: a_BlockMeta = static_cast<NIBBLETYPE>(0x0 | Meta << 2); break;
+			case 3: a_BlockMeta = static_cast<NIBBLETYPE>(0x1 | Meta << 2); break;
 			default:
 			{
 				return false;
diff --git a/src/Blocks/BlockBed.h b/src/Blocks/BlockBed.h
index 46f361686..57ffebfca 100644
--- a/src/Blocks/BlockBed.h
+++ b/src/Blocks/BlockBed.h
@@ -53,7 +53,7 @@ public:
 
 		a_Rotation = (a_Rotation / 360) * 4;
 
-		return ((char)a_Rotation + 2) % 4;
+		return (static_cast<NIBBLETYPE>(a_Rotation + 2)) % 4;
 	}
 
 	static Vector3i MetaDataToDirection(NIBBLETYPE a_MetaData)
diff --git a/src/Blocks/BlockButton.h b/src/Blocks/BlockButton.h
index d24c7d952..154cd610e 100644
--- a/src/Blocks/BlockButton.h
+++ b/src/Blocks/BlockButton.h
@@ -67,14 +67,19 @@ public:
 			case BLOCK_FACE_XM: return 0x2;
 			case BLOCK_FACE_XP: return 0x1;
 			case BLOCK_FACE_YM: return 0x0;
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				ASSERT(!"Unhandled block face!");
 				return 0x0;
 			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
+
 	inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
 	{
 		switch (a_Meta & 0x7)
@@ -93,6 +98,7 @@ public:
 		}
 	}
 
+
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		NIBBLETYPE Meta;
diff --git a/src/Blocks/BlockCocoaPod.h b/src/Blocks/BlockCocoaPod.h
index 1b659d48f..4d16d2552 100644
--- a/src/Blocks/BlockCocoaPod.h
+++ b/src/Blocks/BlockCocoaPod.h
@@ -81,12 +81,18 @@ public:
 			case BLOCK_FACE_XM: return 3;
 			case BLOCK_FACE_XP: return 1;
 			case BLOCK_FACE_ZP: return 2;
-			default:
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
 			{
 				ASSERT(!"Unknown face");
 				return 0;
 			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
 } ;
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h
index 445383e7c..9332e6728 100644
--- a/src/Blocks/BlockDoor.h
+++ b/src/Blocks/BlockDoor.h
@@ -245,10 +245,10 @@ public:
 			if (a_BlockX > 0)
 			{
 				NIBBLETYPE DownMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ);
-				return (NIBBLETYPE) ((DownMeta & 0x07) | 0x08 | (Meta << 4));
+				return static_cast<NIBBLETYPE>((DownMeta & 0x07) | 0x08 | (Meta << 4));
 			}
 			// This is the top part of the door at the bottommost layer of the world, there's no bottom:
-			return (NIBBLETYPE) (0x08 | (Meta << 4));
+			return static_cast<NIBBLETYPE>(0x08 | (Meta << 4));
 		}
 		else
 		{
@@ -256,7 +256,7 @@ public:
 			if (a_BlockY < cChunkDef::Height - 1)
 			{
 				NIBBLETYPE UpMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ);
-				return (NIBBLETYPE) (Meta | (UpMeta << 4));
+				return static_cast<NIBBLETYPE>(Meta | (UpMeta << 4));
 			}
 			// This is the bottom part of the door at the topmost layer of the world, there's no top:
 			return Meta;
diff --git a/src/Blocks/BlockHopper.h b/src/Blocks/BlockHopper.h
index 4a5d32dd5..06e2b0e9f 100644
--- a/src/Blocks/BlockHopper.h
+++ b/src/Blocks/BlockHopper.h
@@ -35,7 +35,7 @@ public:
 			case BLOCK_FACE_NORTH:  a_BlockMeta = E_META_HOPPER_FACING_ZP;  break;
 			case BLOCK_FACE_SOUTH:  a_BlockMeta = E_META_HOPPER_FACING_ZM;  break;
 			case BLOCK_FACE_WEST:   a_BlockMeta = E_META_HOPPER_FACING_XP;  break;
-			default:                a_BlockMeta = E_META_HOPPER_UNATTACHED; break;
+			case BLOCK_FACE_NONE:   a_BlockMeta = E_META_HOPPER_UNATTACHED; break;
 		}
 		return true;
 	}
diff --git a/src/Blocks/BlockLadder.h b/src/Blocks/BlockLadder.h
index ab3f55439..d727f8f8e 100644
--- a/src/Blocks/BlockLadder.h
+++ b/src/Blocks/BlockLadder.h
@@ -57,8 +57,17 @@ public:
 			case BLOCK_FACE_ZP: return 0x3;
 			case BLOCK_FACE_XM: return 0x4;
 			case BLOCK_FACE_XP: return 0x5;
-			default:            return 0x2;
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
+			{
+				return 0x2;
+			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
 
diff --git a/src/Blocks/BlockLeaves.h b/src/Blocks/BlockLeaves.h
index 4d4610fd8..5c9283979 100644
--- a/src/Blocks/BlockLeaves.h
+++ b/src/Blocks/BlockLeaves.h
@@ -59,7 +59,7 @@ public:
 				cItem(
 					E_BLOCK_SAPLING,
 					1,
-					(m_BlockType == E_BLOCK_LEAVES) ? (a_BlockMeta & 0x03) : (4 + (a_BlockMeta & 0x01))
+					(m_BlockType == E_BLOCK_LEAVES) ? (a_BlockMeta & 0x03) : static_cast<short>(4 + (a_BlockMeta & 0x01))
 				)
 			);
 		}
diff --git a/src/Blocks/BlockLever.h b/src/Blocks/BlockLever.h
index 2da138e5f..8d676b56f 100644
--- a/src/Blocks/BlockLever.h
+++ b/src/Blocks/BlockLever.h
@@ -59,14 +59,18 @@ public:
 		// Determine lever direction:
 		switch (a_Dir)
 		{
-			case BLOCK_FACE_YP: return 0x6;
-			case BLOCK_FACE_XP: return 0x1;
-			case BLOCK_FACE_XM: return 0x2;
-			case BLOCK_FACE_ZP: return 0x3;
-			case BLOCK_FACE_ZM: return 0x4;
-			case BLOCK_FACE_YM: return 0x0;
-			default:            return 0x6;
+			case BLOCK_FACE_YP:   return 0x6;
+			case BLOCK_FACE_XP:   return 0x1;
+			case BLOCK_FACE_XM:   return 0x2;
+			case BLOCK_FACE_ZP:   return 0x3;
+			case BLOCK_FACE_ZM:   return 0x4;
+			case BLOCK_FACE_YM:   return 0x0;
+			case BLOCK_FACE_NONE: return 0x6;
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
 
diff --git a/src/Blocks/BlockQuartz.h b/src/Blocks/BlockQuartz.h
index edc4fb9c5..b936a7e4a 100644
--- a/src/Blocks/BlockQuartz.h
+++ b/src/Blocks/BlockQuartz.h
@@ -36,6 +36,7 @@ public:
 		return true;
 	}
 
+
 	inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace, NIBBLETYPE a_QuartzMeta)
 	{
 		switch (a_BlockFace)
@@ -58,11 +59,15 @@ public:
 				return 0x3;  // East or west
 			}
 
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				ASSERT(!"Unhandled block face!");
 				return a_QuartzMeta;  // No idea, give a special meta (all sides the same)
 			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 } ;
diff --git a/src/Blocks/BlockRail.h b/src/Blocks/BlockRail.h
index a2e27a351..eecd07006 100644
--- a/src/Blocks/BlockRail.h
+++ b/src/Blocks/BlockRail.h
@@ -487,7 +487,12 @@ public:
 				}
 				break;
 			}
-			default: break;
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
+			{
+				break;
+			}
 		}
 		return true;
 	}
diff --git a/src/Blocks/BlockSideways.h b/src/Blocks/BlockSideways.h
index 4b1e38d6d..e52fbaa2f 100644
--- a/src/Blocks/BlockSideways.h
+++ b/src/Blocks/BlockSideways.h
@@ -58,12 +58,16 @@ public:
 				return a_Meta | 0x4;  // East or west
 			}
 
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				ASSERT(!"Unhandled block face!");
 				return a_Meta | 0xC;  // No idea, give a special meta
 			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 } ;
 
diff --git a/src/Blocks/BlockSlab.h b/src/Blocks/BlockSlab.h
index d762154df..9b3fad72e 100644
--- a/src/Blocks/BlockSlab.h
+++ b/src/Blocks/BlockSlab.h
@@ -41,7 +41,7 @@ public:
 	) override
 	{
 		a_BlockType = m_BlockType;
-		NIBBLETYPE Meta = (NIBBLETYPE) a_Player->GetEquippedItem().m_ItemDamage;
+		NIBBLETYPE Meta = static_cast<NIBBLETYPE>(a_Player->GetEquippedItem().m_ItemDamage);
 		
 		// Set the correct metadata based on player equipped item (i.e. a_BlockMeta not initialised yet)
 		switch (a_BlockFace)
@@ -104,7 +104,7 @@ public:
 
 	virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override
 	{
-		if ((a_BlockFace == BLOCK_FACE_NONE) || (a_Player->GetEquippedItem().m_ItemType != (short)m_BlockType))
+		if ((a_BlockFace == BLOCK_FACE_NONE) || (a_Player->GetEquippedItem().m_ItemType != static_cast<short>(m_BlockType)))
 		{
 			return;
 		}
diff --git a/src/Blocks/BlockTorch.h b/src/Blocks/BlockTorch.h
index 3abc572f3..36d2fec67 100644
--- a/src/Blocks/BlockTorch.h
+++ b/src/Blocks/BlockTorch.h
@@ -59,7 +59,7 @@ public:
 			case BLOCK_FACE_WEST:   return E_META_TORCH_WEST;
 			case BLOCK_FACE_NORTH:  return E_META_TORCH_NORTH;
 			case BLOCK_FACE_SOUTH:  return E_META_TORCH_SOUTH;
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				ASSERT(!"Unhandled torch direction!");
 				break;
diff --git a/src/Blocks/BlockTrapdoor.h b/src/Blocks/BlockTrapdoor.h
index dbb0b5a5b..a1d2dff6f 100644
--- a/src/Blocks/BlockTrapdoor.h
+++ b/src/Blocks/BlockTrapdoor.h
@@ -66,6 +66,7 @@ public:
 		return true;
 	}
 	
+
 	inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace)
 	{
 		switch (a_BlockFace)
@@ -74,14 +75,21 @@ public:
 			case BLOCK_FACE_ZM: return 0x0;
 			case BLOCK_FACE_XP: return 0x3;
 			case BLOCK_FACE_XM: return 0x2;
-			default:
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
 			{
 				ASSERT(!"Unhandled block face!");
 				return 0;
 			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
+
 	inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
 	{
 		switch (a_Meta & 0x3)
@@ -98,6 +106,7 @@ public:
 		}
 	}
 
+
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		NIBBLETYPE Meta;
diff --git a/src/Blocks/BlockTripwireHook.h b/src/Blocks/BlockTripwireHook.h
index 88d389711..39892af5a 100644
--- a/src/Blocks/BlockTripwireHook.h
+++ b/src/Blocks/BlockTripwireHook.h
@@ -16,6 +16,7 @@ public:
 	{
 	}
 
+
 	virtual bool GetPlacementBlockTypeMeta(
 		cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
 		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
@@ -29,6 +30,7 @@ public:
 		return true;
 	}
 
+
 	inline static NIBBLETYPE DirectionToMetadata(eBlockFace a_Direction)
 	{
 		switch (a_Direction)
@@ -37,10 +39,21 @@ public:
 			case BLOCK_FACE_XP: return 0x3;
 			case BLOCK_FACE_ZM: return 0x2;
 			case BLOCK_FACE_ZP: return 0x0;
-			default: ASSERT(!"Unhandled tripwire hook direction!"); return 0x0;
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
+			{
+				ASSERT(!"Unhandled tripwire hook direction!");
+				return 0x0;
+			}
 		}
+		#if !defined(__clang__)
+			ASSERT(!"Unknown BLOCK_FACE");
+			return 0;
+		#endif
 	}
 
+
 	inline static eBlockFace MetadataToDirection(NIBBLETYPE a_Meta)
 	{
 		switch (a_Meta & 0x03)
@@ -53,6 +66,7 @@ public:
 		}
 	}
 
+
 	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
 		// Reset meta to zero
diff --git a/src/Blocks/BlockWallSign.h b/src/Blocks/BlockWallSign.h
index b6599d033..9b90b78bf 100644
--- a/src/Blocks/BlockWallSign.h
+++ b/src/Blocks/BlockWallSign.h
@@ -55,11 +55,13 @@ public:
 	{
 		switch (a_Direction)
 		{
-			case 0x2: return 0x2;
-			case 0x3: return 0x3;
-			case 0x4: return 0x4;
-			case 0x5: return 0x5;
-			default:
+			case BLOCK_FACE_ZM: return 0x2;
+			case BLOCK_FACE_ZP: return 0x3;
+			case BLOCK_FACE_XM: return 0x4;
+			case BLOCK_FACE_XP: return 0x5;
+			case BLOCK_FACE_NONE:
+			case BLOCK_FACE_YP:
+			case BLOCK_FACE_YM:
 			{
 				break;
 			}
diff --git a/src/Blocks/CMakeLists.txt b/src/Blocks/CMakeLists.txt
index ed3e321d4..d8affd9cf 100644
--- a/src/Blocks/CMakeLists.txt
+++ b/src/Blocks/CMakeLists.txt
@@ -95,6 +95,11 @@ SET (HDRS
 	MetaRotator.h
 	WorldInterface.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(BlockHandler.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(BlockPiston.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Blocks ${SRCS} ${HDRS})
 endif()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 25de24c91..5556ddc4d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -62,6 +62,7 @@ SET (SRCS
 	Scoreboard.cpp
 	Server.cpp
 	SetChunkData.cpp
+	SpawnPrepare.cpp
 	Statistics.cpp
 	StringCompression.cpp
 	StringUtils.cpp
@@ -133,6 +134,7 @@ SET (HDRS
 	Server.h
 	SetChunkData.h
 	SettingsRepositoryInterface.h
+	SpawnPrepare.h
 	Statistics.h
 	StringCompression.h
 	StringUtils.h
@@ -151,6 +153,38 @@ include_directories (SYSTEM "${CMAKE_CURRENT_SOURCE_DIR}/../lib/TCLAP/include")
 
 configure_file("BuildInfo.h.cmake" "${CMAKE_CURRENT_SOURCE_DIR}/BuildInfo.h")
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(BiomeDef.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum")
+	set_source_files_properties(BlockArea.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion")
+	set_source_files_properties(BlockID.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(BoundingBox.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=float-equal")
+	set_source_files_properties(ByteBuffer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast -Wno-error=global-constructors")
+	set_source_files_properties(Chunk.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(ChunkData.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(ChunkMap.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=shadow -Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(ClientHandle.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=sign-conversion -Wno-error=global-constructors -Wno-error=old-style-cast")
+	set_source_files_properties(CompositeChat.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=missing-variable-declarations")
+	set_source_files_properties(Enchantments.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(IniFile.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(Inventory.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion")
+	set_source_files_properties(Item.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=old-style-cast")
+	set_source_files_properties(ItemGrid.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion")
+	set_source_files_properties(LightingThread.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=sign-conversion")
+	set_source_files_properties(LinearInterpolation.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Map.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=old-style-cast")
+	set_source_files_properties(MobProximityCounter.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=float-equal")
+	set_source_files_properties(MobSpawner.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum")
+	set_source_files_properties(RCONServer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion")
+	set_source_files_properties(Root.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=shadow -Wno-error=old-style-cast")
+	set_source_files_properties(Server.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Statistics.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(StringCompression.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(StringUtils.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=old-style-cast")
+	set_source_files_properties(Tracer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion")
+	set_source_files_properties(World.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(main.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=missing-variable-declarations -Wno-error=missing-prototypes")
+endif()
+
 if (NOT MSVC)
 	# Bindings need to reference other folders, so they are done here instead
 	# lib dependencies are not included
@@ -332,4 +366,9 @@ endif ()
 if (WIN32)
 	target_link_libraries(${EXECUTABLE} expat tolualib ws2_32.lib Psapi.lib)
 endif()
+
+if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+	add_flags_lnk(-L/usr/local/lib)
+endif()
+
 target_link_libraries(${EXECUTABLE} luaexpat jsoncpp mbedtls zlib sqlite lua SQLiteCpp event_core event_extra)
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 7d5f54373..7af669163 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -714,8 +714,8 @@ void cChunk::MoveEntityToNewChunk(cEntity * a_Entity)
 		cEntity * m_Entity;
 
 	public:
-		cMover(cEntity * a_Entity) :
-			m_Entity(a_Entity)
+		cMover(cEntity * a_CallbackEntity) :
+			m_Entity(a_CallbackEntity)
 		{}
 	} Mover(a_Entity);
 	
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index 2bfa2949c..b03a03bff 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -190,7 +190,7 @@ public:
 	}
 
 
-	inline static int GetHeight(const HeightMap & a_HeightMap, int a_X, int a_Z)
+	inline static HEIGHTTYPE GetHeight(const HeightMap & a_HeightMap, int a_X, int a_Z)
 	{
 		ASSERT((a_X >= 0) && (a_X < Width));
 		ASSERT((a_Z >= 0) && (a_Z < Width));
@@ -198,7 +198,7 @@ public:
 	}
 
 
-	inline static void SetHeight(HeightMap & a_HeightMap, int a_X, int a_Z, unsigned char a_Height)
+	inline static void SetHeight(HeightMap & a_HeightMap, int a_X, int a_Z, HEIGHTTYPE a_Height)
 	{
 		ASSERT((a_X >= 0) && (a_X < Width));
 		ASSERT((a_Z >= 0) && (a_Z < Width));
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index 44acc2013..2f38e4cd6 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -2401,7 +2401,7 @@ void cChunkMap::TouchChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-void cChunkMap::PrepareChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_Callback)
+void cChunkMap::PrepareChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
@@ -2409,7 +2409,7 @@ void cChunkMap::PrepareChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a
 	// If the chunk is not prepared, queue it in the lighting thread, that will do all the needed processing:
 	if ((Chunk == nullptr) || !Chunk->IsValid() || !Chunk->IsLightValid())
 	{
-		m_World->GetLightingThread().QueueChunk(a_ChunkX, a_ChunkZ, a_Callback);
+		m_World->GetLightingThread().QueueChunk(a_ChunkX, a_ChunkZ, std::move(a_Callback));
 		return;
 	}
 
diff --git a/src/ChunkMap.h b/src/ChunkMap.h
index 35f66f339..964188bbe 100644
--- a/src/ChunkMap.h
+++ b/src/ChunkMap.h
@@ -322,7 +322,7 @@ public:
 	The specified chunk is queued to be loaded or generated, and lit if needed.
 	The specified callback is called after the chunk has been prepared. If there's no preparation to do, only the callback is called.
 	It is legal to call without the callback. */
-	void PrepareChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallAfter = nullptr);  // Lua-accessible
+	void PrepareChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallAfter = {});  // Lua-accessible
 
 	/** Queues the chunk for generating.
 	First attempts to load the chunk from the storage. If that fails, queues the chunk for generating.
diff --git a/src/ChunkSender.cpp b/src/ChunkSender.cpp
index 83d82884e..2f18ea75c 100644
--- a/src/ChunkSender.cpp
+++ b/src/ChunkSender.cpp
@@ -21,10 +21,21 @@
 ////////////////////////////////////////////////////////////////////////////////
 // cNotifyChunkSender:
 
-void cNotifyChunkSender::Call(int a_ChunkX, int a_ChunkZ)
+
+/// Callback that can be used to notify chunk sender upon another chunkcoord notification
+class cNotifyChunkSender :
+	public cChunkCoordCallback
 {
-	m_ChunkSender->ChunkReady(a_ChunkX, a_ChunkZ);
-}
+	virtual void Call(int a_ChunkX, int a_ChunkZ) override
+	{
+		m_ChunkSender->ChunkReady(a_ChunkX, a_ChunkZ);
+	}
+
+	cChunkSender * m_ChunkSender;
+public:
+	cNotifyChunkSender(cChunkSender * a_ChunkSender) : m_ChunkSender(a_ChunkSender) {}
+};
+
 
 
 
@@ -36,10 +47,8 @@ void cNotifyChunkSender::Call(int a_ChunkX, int a_ChunkZ)
 cChunkSender::cChunkSender(void) :
 	super("ChunkSender"),
 	m_World(nullptr),
-	m_RemoveCount(0),
-	m_Notify(nullptr)
+	m_RemoveCount(0)
 {
-	m_Notify.SetChunkSender(this);
 }
 
 
@@ -125,10 +134,6 @@ void cChunkSender::QueueSendChunkTo(int a_ChunkX, int a_ChunkZ, eChunkPriority a
 				m_SendChunksHighPriority.push_back(Chunk);
 				break;
 			}
-			default:
-			{
-				ASSERT(!"Unknown chunk priority!");
-			}
 		}
 	}
 	m_evtQueue.Set();
@@ -276,7 +281,7 @@ void cChunkSender::SendChunk(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Clien
 	// If the chunk is not lighted, queue it for relighting and get notified when it's ready:
 	if (!m_World->IsChunkLighted(a_ChunkX, a_ChunkZ))
 	{
-		m_World->QueueLightChunk(a_ChunkX, a_ChunkZ, &m_Notify);
+		m_World->QueueLightChunk(a_ChunkX, a_ChunkZ, cpp14::make_unique<cNotifyChunkSender>(this));
 		return;
 	}
 
@@ -342,7 +347,7 @@ void cChunkSender::BiomeData(const cChunkDef::BiomeMap * a_BiomeMap)
 		if ((*a_BiomeMap)[i] < 255)
 		{
 			// Normal MC biome, copy as-is:
-			m_BiomeMap[i] = (unsigned char)((*a_BiomeMap)[i]);
+			m_BiomeMap[i] = static_cast<unsigned char>((*a_BiomeMap)[i]);
 		}
 		else
 		{
diff --git a/src/ChunkSender.h b/src/ChunkSender.h
index 8b187c5f9..1376baeb3 100644
--- a/src/ChunkSender.h
+++ b/src/ChunkSender.h
@@ -47,26 +47,6 @@ class cChunkSender;
 
 
 
-/// Callback that can be used to notify chunk sender upon another chunkcoord notification
-class cNotifyChunkSender :
-	public cChunkCoordCallback
-{
-	virtual void Call(int a_ChunkX, int a_ChunkZ) override;
-
-	cChunkSender * m_ChunkSender;
-public:
-	cNotifyChunkSender(cChunkSender * a_ChunkSender) : m_ChunkSender(a_ChunkSender) {}
-	
-	void SetChunkSender(cChunkSender * a_ChunkSender)
-	{
-		m_ChunkSender = a_ChunkSender;
-	}
-} ;
-
-
-
-
-
 class cChunkSender:
 	public cIsThread,
 	public cChunkDataSeparateCollector
@@ -150,8 +130,6 @@ protected:
 	cEvent            m_evtRemoved;  // Set when removed clients are safe to be deleted
 	int               m_RemoveCount;  // Number of threads waiting for a client removal (m_evtRemoved needs to be set this many times)
 	
-	cNotifyChunkSender m_Notify;  // Used for chunks that don't have a valid lighting - they will be re-queued after lightcalc
-	
 	// Data about the chunk that is being sent:
 	// NOTE that m_BlockData[] is inherited from the cChunkDataCollector
 	unsigned char m_BiomeMap[cChunkDef::Width * cChunkDef::Width];
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index c8ccc1cf5..e3f63b091 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -381,8 +381,8 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID,
 
 	// Send player list items
 	SendPlayerListAddPlayer(*m_Player);
-	World->BroadcastPlayerListAddPlayer(*m_Player);
-	World->SendPlayerList(m_Player);
+	cRoot::Get()->BroadcastPlayerListsAddPlayer(*m_Player);
+	cRoot::Get()->SendPlayerLists(m_Player);
 
 	m_Player->Initialize(*World);
 	m_State = csAuthenticated;
@@ -1475,7 +1475,7 @@ void cClientHandle::HandleChat(const AString & a_Message)
 	Msg.AddTextPart(AString("<") + m_Player->GetName() + "> ", Color);
 	Msg.ParseText(Message);
 	Msg.UnderlineUrls();
-	m_Player->GetWorld()->BroadcastChat(Msg);
+	cRoot::Get()->BroadcastChat(Msg);
 }
 
 
@@ -1902,7 +1902,7 @@ void cClientHandle::Tick(float a_Dt)
 	if (m_TicksSinceLastPacket > 600)  // 30 seconds time-out
 	{
 		SendDisconnect("Nooooo!! You timed out! D: Come back!");
-		Destroy();
+		return;
 	}
 	
 	if (m_Player == nullptr)
@@ -2013,7 +2013,6 @@ void cClientHandle::ServerTick(float a_Dt)
 	if (m_TicksSinceLastPacket > 600)  // 30 seconds
 	{
 		SendDisconnect("Nooooo!! You timed out! D: Come back!");
-		Destroy();
 	}
 }
 
@@ -2182,6 +2181,8 @@ void cClientHandle::SendDestroyEntity(const cEntity & a_Entity)
 
 void cClientHandle::SendDisconnect(const AString & a_Reason)
 {
+	// Destruction (Destroy()) is called when the client disconnects, not when a disconnect packet (or anything else) is sent
+	// Otherwise, the cClientHandle instance is can be unexpectedly removed from the associated player - Core/#142
 	if (!m_HasSentDC)
 	{
 		LOGD("Sending a DC: \"%s\"", StripColorCodes(a_Reason).c_str());
@@ -2329,6 +2330,15 @@ void cClientHandle::SendHealth(void)
 
 
 
+void cClientHandle::SendHideTitle(void)
+{
+	m_Protocol->SendHideTitle();
+}
+
+
+
+
+
 void cClientHandle::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
 {
 	m_Protocol->SendInventorySlot(a_WindowID, a_SlotNum, a_Item);
@@ -2532,6 +2542,15 @@ void cClientHandle::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effec
 
 
 
+void cClientHandle::SendResetTitle()
+{
+	m_Protocol->SendResetTitle();
+}
+
+
+
+
+
 void cClientHandle::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks)
 {
 	m_Protocol->SendRespawn(a_Dimension, a_ShouldIgnoreDimensionChecks);
@@ -2586,6 +2605,42 @@ void cClientHandle::SendDisplayObjective(const AString & a_Objective, cScoreboar
 
 
 
+void cClientHandle::SendSetSubTitle(const cCompositeChat & a_SubTitle)
+{
+	m_Protocol->SendSetSubTitle(a_SubTitle);
+}
+
+
+
+
+
+void cClientHandle::SendSetRawSubTitle(const AString & a_SubTitle)
+{
+	m_Protocol->SendSetRawSubTitle(a_SubTitle);
+}
+
+
+
+
+
+void cClientHandle::SendSetTitle(const cCompositeChat & a_Title)
+{
+	m_Protocol->SendSetTitle(a_Title);
+}
+
+
+
+
+
+void cClientHandle::SendSetRawTitle(const AString & a_Title)
+{
+	m_Protocol->SendSetRawTitle(a_Title);
+}
+
+
+
+
+
 void cClientHandle::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
 {
 	m_Protocol->SendSoundEffect(a_SoundName, a_X, a_Y, a_Z, a_Volume, a_Pitch);
@@ -2676,6 +2731,15 @@ void cClientHandle::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
 
 
 
+void cClientHandle::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+	m_Protocol->SendTitleTimes(a_FadeInTicks, a_DisplayTicks, a_FadeOutTicks);
+}
+
+
+
+
+
 void cClientHandle::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay, a_DoDaylightCycle);
@@ -2859,7 +2923,6 @@ void cClientHandle::PacketBufferFull(void)
 	// Too much data in the incoming queue, the server is probably too busy, kick the client:
 	LOGERROR("Too much data in queue for client \"%s\" @ %s, kicking them.", m_Username.c_str(), m_IPString.c_str());
 	SendDisconnect("Server busy");
-	Destroy();
 }
 
 
@@ -2873,7 +2936,6 @@ void cClientHandle::PacketUnknown(UInt32 a_PacketType)
 	AString Reason;
 	Printf(Reason, "Unknown [C->S] PacketType: 0x%x", a_PacketType);
 	SendDisconnect(Reason);
-	Destroy();
 }
 
 
@@ -2884,7 +2946,6 @@ void cClientHandle::PacketError(UInt32 a_PacketType)
 {
 	LOGERROR("Protocol error while parsing packet type 0x%02x; disconnecting client \"%s\"", a_PacketType, m_Username.c_str());
 	SendDisconnect("Protocol error");
-	Destroy();
 }
 
 
@@ -2894,13 +2955,20 @@ void cClientHandle::PacketError(UInt32 a_PacketType)
 void cClientHandle::SocketClosed(void)
 {
 	// The socket has been closed for any reason
-	
+
 	if (!m_Username.empty())  // Ignore client pings
 	{
 		LOGD("Client %s @ %s disconnected", m_Username.c_str(), m_IPString.c_str());
 		cRoot::Get()->GetPluginManager()->CallHookDisconnect(*this, "Player disconnected");
 	}
-
+	if ((m_State < csDestroying) && (m_Player != nullptr))
+	{
+		cWorld * World = m_Player->GetWorld();
+		if (World != nullptr)
+		{
+			World->RemovePlayer(m_Player, true);  // Must be called before cPlayer::Destroy() as otherwise cChunk tries to delete the player, and then we do it again
+		}
+	}
 	Destroy();
 }
 
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index 61f29b57c..bcfa55825 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -172,6 +172,7 @@ public:  // tolua_export
 	void SendExplosion                  (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion);
 	void SendGameMode                   (eGameMode a_GameMode);
 	void SendHealth                     (void);
+	void SendHideTitle                  (void);
 	void SendInventorySlot              (char a_WindowID, short a_SlotNum, const cItem & a_Item);
 	void SendMapColumn                  (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale);
 	void SendMapDecorators              (int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale);
@@ -192,9 +193,14 @@ public:  // tolua_export
 	void SendPlayerSpawn                (const cPlayer & a_Player);
 	void SendPluginMessage              (const AString & a_Channel, const AString & a_Message);  // Exported in ManualBindings.cpp
 	void SendRemoveEntityEffect         (const cEntity & a_Entity, int a_EffectID);
+	void SendResetTitle                 (void);
 	void SendRespawn                    (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks = false);
 	void SendScoreUpdate                (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode);
 	void SendScoreboardObjective        (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode);
+	void SendSetSubTitle                (const cCompositeChat & a_SubTitle);
+	void SendSetRawSubTitle             (const AString & a_SubTitle);
+	void SendSetTitle                   (const cCompositeChat & a_Title);
+	void SendSetRawTitle                (const AString & a_Title);
 	void SendSoundEffect                (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch);  // tolua_export
 	void SendSoundParticleEffect        (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data);
 	void SendSpawnFallingBlock          (const cFallingBlock & a_FallingBlock);
@@ -205,6 +211,7 @@ public:  // tolua_export
 	void SendTabCompletionResults       (const AStringVector & a_Results);
 	void SendTeleportEntity             (const cEntity & a_Entity);
 	void SendThunderbolt                (int a_BlockX, int a_BlockY, int a_BlockZ);
+	void SendTitleTimes                 (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks);
 	void SendTimeUpdate                 (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle);  // tolua_export
 	void SendUnloadChunk                (int a_ChunkX, int a_ChunkZ);
 	void SendUpdateBlockEntity          (cBlockEntity & a_BlockEntity);
diff --git a/src/CompositeChat.cpp b/src/CompositeChat.cpp
index d1eb0b852..5d6c028ab 100644
--- a/src/CompositeChat.cpp
+++ b/src/CompositeChat.cpp
@@ -342,7 +342,11 @@ AString cCompositeChat::ExtractText(void) const
 			}
 			case ptUrl:
 			{
-				Msg.append(((cUrlPart *)(*itr))->m_Url);
+				Msg.append((static_cast<cUrlPart *>(*itr))->m_Url);
+				break;
+			}
+			case ptShowAchievement:
+			{
 				break;
 			}
 		}  // switch (PartType)
@@ -419,7 +423,7 @@ AString cCompositeChat::CreateJsonString(bool a_ShouldUseChatPrefixes) const
 			
 			case cCompositeChat::ptClientTranslated:
 			{
-				const cCompositeChat::cClientTranslatedPart & p = (const cCompositeChat::cClientTranslatedPart &)**itr;
+				const cCompositeChat::cClientTranslatedPart & p = static_cast<const cCompositeChat::cClientTranslatedPart &>(**itr);
 				Part["translate"] = p.m_Text;
 				Json::Value With;
 				for (AStringVector::const_iterator itrW = p.m_Parameters.begin(), endW = p.m_Parameters.end(); itrW != endW; ++itr)
@@ -436,7 +440,7 @@ AString cCompositeChat::CreateJsonString(bool a_ShouldUseChatPrefixes) const
 			
 			case cCompositeChat::ptUrl:
 			{
-				const cCompositeChat::cUrlPart & p = (const cCompositeChat::cUrlPart &)**itr;
+				const cCompositeChat::cUrlPart & p = static_cast<const cCompositeChat::cUrlPart &>(**itr);
 				Part["text"] = p.m_Text;
 				Json::Value Url;
 				Url["action"] = "open_url";
@@ -449,7 +453,7 @@ AString cCompositeChat::CreateJsonString(bool a_ShouldUseChatPrefixes) const
 			case cCompositeChat::ptSuggestCommand:
 			case cCompositeChat::ptRunCommand:
 			{
-				const cCompositeChat::cCommandPart & p = (const cCompositeChat::cCommandPart &)**itr;
+				const cCompositeChat::cCommandPart & p = static_cast<const cCompositeChat::cCommandPart &>(**itr);
 				Part["text"] = p.m_Text;
 				Json::Value Cmd;
 				Cmd["action"] = (p.m_PartType == cCompositeChat::ptRunCommand) ? "run_command" : "suggest_command";
@@ -461,7 +465,7 @@ AString cCompositeChat::CreateJsonString(bool a_ShouldUseChatPrefixes) const
 
 			case cCompositeChat::ptShowAchievement:
 			{
-				const cCompositeChat::cShowAchievementPart & p = (const cCompositeChat::cShowAchievementPart &)**itr;
+				const cCompositeChat::cShowAchievementPart & p = static_cast<const cCompositeChat::cShowAchievementPart &>(**itr);
 				Part["translate"] = "chat.type.achievement";
 
 				Json::Value Ach;
diff --git a/src/CraftingRecipes.cpp b/src/CraftingRecipes.cpp
index 472044fa3..a95ac5f84 100644
--- a/src/CraftingRecipes.cpp
+++ b/src/CraftingRecipes.cpp
@@ -373,7 +373,7 @@ void cCraftingRecipes::AddRecipeLine(int a_LineNum, const AString & a_RecipeLine
 	AStringVector Sides = StringSplit(RecipeLine, "=");
 	if (Sides.size() != 2)
 	{
-		LOGWARNING("crafting.txt: line %d: A single '=' was expected, got %d", a_LineNum, (int)Sides.size() - 1);
+		LOGWARNING("crafting.txt: line %d: A single '=' was expected, got " SIZE_T_FMT, a_LineNum, Sides.size() - 1);
 		LOGINFO("Offending line: \"%s\"", a_RecipeLine.c_str());
 		return;
 	}
@@ -771,9 +771,12 @@ cCraftingRecipes::cRecipe * cCraftingRecipes::MatchRecipe(const cItem * a_Crafti
 			continue;
 		}
 		Recipe->m_Ingredients.push_back(*itrS);
+		Recipe->m_Ingredients.back().x += a_OffsetX;
+		Recipe->m_Ingredients.back().y += a_OffsetY;
 	}
 	Recipe->m_Ingredients.insert(Recipe->m_Ingredients.end(), MatchedSlots.begin(), MatchedSlots.end());
 
+	// Handle the fireworks-related effects:
 	// We use Recipe instead of a_Recipe because we want the wildcard ingredients' slot numbers as well, which was just added previously
 	HandleFireworks(a_CraftingGrid, Recipe.get(), a_GridStride, a_OffsetX, a_OffsetY);
 
@@ -833,7 +836,7 @@ void cCraftingRecipes::HandleFireworks(const cItem * a_CraftingGrid, cCraftingRe
 				case E_ITEM_DYE:
 				{
 					int GridID = (itr->x + a_OffsetX) + a_GridStride * (itr->y + a_OffsetY);
-					DyeColours.push_back(cFireworkItem::GetVanillaColourCodeFromDye((NIBBLETYPE)(a_CraftingGrid[GridID].m_ItemDamage & 0x0f)));
+					DyeColours.push_back(cFireworkItem::GetVanillaColourCodeFromDye(static_cast<NIBBLETYPE>(a_CraftingGrid[GridID].m_ItemDamage & 0x0f)));
 					break;
 				}
 				case E_ITEM_GUNPOWDER: break;
diff --git a/src/Defines.h b/src/Defines.h
index 787eacab8..4005c84dd 100644
--- a/src/Defines.h
+++ b/src/Defines.h
@@ -238,8 +238,17 @@ inline eBlockFace MirrorBlockFaceY(eBlockFace a_BlockFace)
 		case BLOCK_FACE_XP: return BLOCK_FACE_XM;
 		case BLOCK_FACE_ZM: return BLOCK_FACE_ZP;
 		case BLOCK_FACE_ZP: return BLOCK_FACE_ZM;
-		default: return a_BlockFace;
+		case BLOCK_FACE_NONE:
+		case BLOCK_FACE_YM:
+		case BLOCK_FACE_YP:
+		{
+			return a_BlockFace;
+		};
 	}
+	#if !defined(__clang__)
+		ASSERT(!"Unknown BLOCK_FACE");
+		return a_BlockFace;
+	#endif
 }
 
 
@@ -255,8 +264,17 @@ inline eBlockFace RotateBlockFaceCCW(eBlockFace a_BlockFace)
 		case BLOCK_FACE_XP: return BLOCK_FACE_ZM;
 		case BLOCK_FACE_ZM: return BLOCK_FACE_XM;
 		case BLOCK_FACE_ZP: return BLOCK_FACE_XP;
-		default: return a_BlockFace;
+		case BLOCK_FACE_NONE:
+		case BLOCK_FACE_YM:
+		case BLOCK_FACE_YP:
+		{
+			return a_BlockFace;
+		}
 	}
+	#if !defined(__clang__)
+		ASSERT(!"Unknown BLOCK_FACE");
+		return a_BlockFace;
+	#endif
 }
 
 
@@ -271,25 +289,45 @@ inline eBlockFace RotateBlockFaceCW(eBlockFace a_BlockFace)
 		case BLOCK_FACE_XP: return BLOCK_FACE_ZP;
 		case BLOCK_FACE_ZM: return BLOCK_FACE_XP;
 		case BLOCK_FACE_ZP: return BLOCK_FACE_XM;
-		default: return a_BlockFace;
+		case BLOCK_FACE_NONE:
+		case BLOCK_FACE_YM:
+		case BLOCK_FACE_YP:
+		{
+			return a_BlockFace;
+		};
 	}
+	#if !defined(__clang__)
+		ASSERT(!"Unknown BLOCK_FACE");
+		return a_BlockFace;
+	#endif
 }
 
+
+
+
+
 inline eBlockFace ReverseBlockFace(eBlockFace  a_BlockFace)
 {
 	switch (a_BlockFace)
 	{
-		case BLOCK_FACE_YP: return BLOCK_FACE_YM;
-		case BLOCK_FACE_XP: return BLOCK_FACE_XM;
-		case BLOCK_FACE_ZP: return BLOCK_FACE_ZM;
-		case BLOCK_FACE_YM: return BLOCK_FACE_YP;
-		case BLOCK_FACE_XM: return BLOCK_FACE_XP;
-		case BLOCK_FACE_ZM: return BLOCK_FACE_ZP;
-		default: return a_BlockFace;
+		case BLOCK_FACE_YP:   return BLOCK_FACE_YM;
+		case BLOCK_FACE_XP:   return BLOCK_FACE_XM;
+		case BLOCK_FACE_ZP:   return BLOCK_FACE_ZM;
+		case BLOCK_FACE_YM:   return BLOCK_FACE_YP;
+		case BLOCK_FACE_XM:   return BLOCK_FACE_XP;
+		case BLOCK_FACE_ZM:   return BLOCK_FACE_ZP;
+		case BLOCK_FACE_NONE: return a_BlockFace;
 	}
+	#if !defined(__clang__)
+		ASSERT(!"Unknown BLOCK_FACE");
+		return a_BlockFace;
+	#endif
 }
 
 
+
+
+
 /** Returns the textual representation of the BlockFace constant. */
 inline AString BlockFaceToString(eBlockFace a_BlockFace)
 {
@@ -305,7 +343,7 @@ inline AString BlockFaceToString(eBlockFace a_BlockFace)
 	}
 	// clang optimisises this line away then warns that it has done so.
 	#if !defined(__clang__)
-	return Printf("Unknown BLOCK_FACE: %d", a_BlockFace);
+		return Printf("Unknown BLOCK_FACE: %d", a_BlockFace);
 	#endif
 }
 
@@ -436,7 +474,7 @@ inline void AddFaceDirection(int & a_BlockX, int & a_BlockY, int & a_BlockZ, eBl
 			case BLOCK_FACE_ZP: a_BlockZ++; break;
 			case BLOCK_FACE_XP: a_BlockX++; break;
 			case BLOCK_FACE_XM: a_BlockX--; break;
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				LOGWARNING("%s: Unknown face: %d", __FUNCTION__, a_BlockFace);
 				ASSERT(!"AddFaceDirection(): Unknown face");
@@ -454,7 +492,7 @@ inline void AddFaceDirection(int & a_BlockX, int & a_BlockY, int & a_BlockZ, eBl
 			case BLOCK_FACE_ZP: a_BlockZ--; break;
 			case BLOCK_FACE_XP: a_BlockX--; break;
 			case BLOCK_FACE_XM: a_BlockX++; break;
-			default:
+			case BLOCK_FACE_NONE:
 			{
 				LOGWARNING("%s: Unknown inv face: %d", __FUNCTION__, a_BlockFace);
 				ASSERT(!"AddFaceDirection(): Unknown face");
diff --git a/src/Enchantments.cpp b/src/Enchantments.cpp
index 5ed18de6b..17c77dd93 100644
--- a/src/Enchantments.cpp
+++ b/src/Enchantments.cpp
@@ -69,8 +69,8 @@ void cEnchantments::AddFromString(const AString & a_StringSpec)
 			LOG("%s: Failed to parse enchantment \"%s\", skipping.", __FUNCTION__, Split[0].c_str());
 			continue;
 		}
-		int lvl = atoi(Split[1].c_str());
-		if ((lvl == 0) && (Split[1] != "0"))
+		unsigned int lvl;
+		if (!StringToInteger(Split[1], lvl))
 		{
 			// Level failed to parse
 			LOG("%s: Failed to parse enchantment level \"%s\", skipping.", __FUNCTION__, Split[1].c_str());
@@ -108,7 +108,7 @@ AString cEnchantments::ToString(void) const
 
 
 
-int cEnchantments::GetLevel(int a_EnchantmentID) const
+unsigned int cEnchantments::GetLevel(int a_EnchantmentID) const
 {
 	// Return the level for the specified enchantment; 0 if not stored
 	cMap::const_iterator itr = m_Enchantments.find(a_EnchantmentID);
@@ -125,7 +125,7 @@ int cEnchantments::GetLevel(int a_EnchantmentID) const
 
 
 
-void cEnchantments::SetLevel(int a_EnchantmentID, int a_Level)
+void cEnchantments::SetLevel(int a_EnchantmentID, unsigned int a_Level)
 {
 	// Sets the level for the specified enchantment, adding it if not stored before or removing it if level <= 0
 	if (a_Level == 0)
@@ -908,7 +908,7 @@ void cEnchantments::AddItemEnchantmentWeights(cWeightedEnchantments & a_Enchantm
 
 
 
-void cEnchantments::AddEnchantmentWeightToVector(cWeightedEnchantments & a_Enchantments, int a_Weight, int a_EnchantmentID, int a_EnchantmentLevel)
+void cEnchantments::AddEnchantmentWeightToVector(cWeightedEnchantments & a_Enchantments, int a_Weight, int a_EnchantmentID, unsigned int a_EnchantmentLevel)
 {
 	cWeightedEnchantment weightedenchantment;
 	weightedenchantment.m_Weight = a_Weight;
diff --git a/src/Enchantments.h b/src/Enchantments.h
index 9d3f342d4..8c08e7a93 100644
--- a/src/Enchantments.h
+++ b/src/Enchantments.h
@@ -92,10 +92,10 @@ public:
 	AString ToString(void) const;
 	
 	/** Returns the level for the specified enchantment; 0 if not stored */
-	int GetLevel(int a_EnchantmentID) const;
+	unsigned int GetLevel(int a_EnchantmentID) const;
 	
 	/** Sets the level for the specified enchantment, adding it if not stored before or removing it if level <= 0 */
-	void SetLevel(int a_EnchantmentID, int a_Level);
+	void SetLevel(int a_EnchantmentID, unsigned int a_Level);
 	
 	/** Removes all enchantments */
 	void Clear(void);
@@ -115,7 +115,7 @@ public:
 	static void AddItemEnchantmentWeights(cWeightedEnchantments & a_Enchantments, short a_ItemType, int a_EnchantmentLevel);
 
 	/** Add a enchantment with weight to the vector */
-	static void AddEnchantmentWeightToVector(cWeightedEnchantments & a_Enchantments, int a_Weight, int a_EnchantmentID, int a_EnchantmentLevel);
+	static void AddEnchantmentWeightToVector(cWeightedEnchantments & a_Enchantments, int a_Weight, int a_EnchantmentID, unsigned int a_EnchantmentLevel);
 	
 	/** Remove the entire enchantment (with weight) from the vector */
 	static void RemoveEnchantmentWeightFromVector(cWeightedEnchantments & a_Enchantments, int a_EnchantmentID);
@@ -145,7 +145,7 @@ public:
 
 protected:
 	/** Maps enchantment ID -> enchantment level */
-	typedef std::map<int, int> cMap;
+	typedef std::map<int, unsigned int> cMap;
 	
 	/** Currently stored enchantments */
 	cMap m_Enchantments;
diff --git a/src/Entities/ArrowEntity.cpp b/src/Entities/ArrowEntity.cpp
index 32952100c..492cf2a56 100644
--- a/src/Entities/ArrowEntity.cpp
+++ b/src/Entities/ArrowEntity.cpp
@@ -84,7 +84,7 @@ void cArrowEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFa
 
 	int X = BlockHit.x, Y = BlockHit.y, Z = BlockHit.z;
 	m_HitBlockPos = Vector3i(X, Y, Z);
-	
+
 	// Broadcast arrow hit sound
 	m_World->BroadcastSoundEffect("random.bowhit", (double)X, (double)Y, (double)Z, 0.5f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
 
@@ -108,15 +108,15 @@ void cArrowEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos)
 		Damage += m_World->GetTickRandomNumber(Damage / 2 + 2);
 	}
 
-	int PowerLevel = m_CreatorData.m_Enchantments.GetLevel(cEnchantments::enchPower);
+	unsigned int PowerLevel = m_CreatorData.m_Enchantments.GetLevel(cEnchantments::enchPower);
 	if (PowerLevel > 0)
 	{
 		int ExtraDamage = (int)ceil(0.25 * (PowerLevel + 1));
 		Damage += ExtraDamage;
 	}
 
-	int KnockbackAmount = 1;
-	int PunchLevel = m_CreatorData.m_Enchantments.GetLevel(cEnchantments::enchPunch);
+	// int KnockbackAmount = 1;
+	unsigned int PunchLevel = m_CreatorData.m_Enchantments.GetLevel(cEnchantments::enchPunch);
 	if (PunchLevel > 0)
 	{
 		Vector3d LookVector = GetLookVector();
@@ -130,8 +130,9 @@ void cArrowEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos)
 		a_EntityHit.SetSpeed(FinalSpeed);
 	}
 
-	a_EntityHit.TakeDamage(dtRangedAttack, this, Damage, KnockbackAmount);
-	
+	// a_EntityHit.TakeDamage(dtRangedAttack, this, Damage, KnockbackAmount);  // TODO fix knockback.
+	a_EntityHit.TakeDamage(dtRangedAttack, this, Damage, 0);  // Until knockback is fixed.
+
 	if (IsOnFire() && !a_EntityHit.IsSubmerged() && !a_EntityHit.IsSwimming())
 	{
 		a_EntityHit.StartBurning(100);
diff --git a/src/Entities/CMakeLists.txt b/src/Entities/CMakeLists.txt
index 5d10e1680..7261e85c0 100644
--- a/src/Entities/CMakeLists.txt
+++ b/src/Entities/CMakeLists.txt
@@ -60,6 +60,14 @@ SET (HDRS
 	ThrownSnowballEntity.h
 	WitherSkullEntity.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(ArrowEntity.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Entity.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=global-constructors -Wno-error=switch-enum -Wno-error=old-style-cast")
+	set_source_files_properties(EntityEffect.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=old-style-cast")
+	set_source_files_properties(Floater.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(Player.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=switch-enum -Wno-error=conversion -Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Entities ${SRCS} ${HDRS})
 
diff --git a/src/Entities/EnderCrystal.cpp b/src/Entities/EnderCrystal.cpp
index 7a911d4db..b71d70bdd 100644
--- a/src/Entities/EnderCrystal.cpp
+++ b/src/Entities/EnderCrystal.cpp
@@ -22,7 +22,7 @@ cEnderCrystal::cEnderCrystal(double a_X, double a_Y, double a_Z)
 
 void cEnderCrystal::SpawnOn(cClientHandle & a_ClientHandle)
 {
-	a_ClientHandle.SendSpawnObject(*this, 51, 0, (Byte)GetYaw(), (Byte)GetPitch());
+	a_ClientHandle.SendSpawnObject(*this, 51, 0, static_cast<Byte>(GetYaw()), static_cast<Byte>(GetPitch()));
 }
 
 
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index dca44488b..91eb0744a 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -396,7 +396,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 			}
 		}
 
-		int ThornsLevel = 0;
+		unsigned int ThornsLevel = 0;
 		const cItem ArmorItems[] = { GetEquippedHelmet(), GetEquippedChestplate(), GetEquippedLeggings(), GetEquippedBoots() };
 		for (size_t i = 0; i < ARRAYCOUNT(ArmorItems); i++)
 		{
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index fecbb9bf5..58d1287e7 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -205,8 +205,8 @@ public:
 	double           GetSpeedZ    (void) const { return m_Speed.z; }
 	double           GetWidth     (void) const { return m_Width;   }
 	
-	int GetChunkX(void) const {return (int)floor(m_Pos.x / cChunkDef::Width); }
-	int GetChunkZ(void) const {return (int)floor(m_Pos.z / cChunkDef::Width); }
+	int GetChunkX(void) const {return static_cast<int>(floor(m_Pos.x / cChunkDef::Width)); }
+	int GetChunkZ(void) const {return static_cast<int>(floor(m_Pos.z / cChunkDef::Width)); }
 
 	void SetHeadYaw (double a_HeadYaw);
 	void SetHeight  (double a_Height);
diff --git a/src/Entities/ExpOrb.cpp b/src/Entities/ExpOrb.cpp
index db7f6f2c8..676370508 100644
--- a/src/Entities/ExpOrb.cpp
+++ b/src/Entities/ExpOrb.cpp
@@ -56,12 +56,12 @@ void cExpOrb::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 			LOGD("Player %s picked up an ExpOrb. His reward is %i", a_ClosestPlayer->GetName().c_str(), m_Reward);
 			a_ClosestPlayer->DeltaExperience(m_Reward);
 			
-			m_World->BroadcastSoundEffect("random.orb", GetPosX(), GetPosY(), GetPosZ(), 0.5f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
+			m_World->BroadcastSoundEffect("random.orb", GetPosX(), GetPosY(), GetPosZ(), 0.5f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
 			
 			Destroy();
 		}
 		a_Distance.Normalize();
-		a_Distance *= ((float) (5.5 - Distance));
+		a_Distance *= (static_cast<float>(5.5 - Distance));
 		SetSpeedX( a_Distance.x);
 		SetSpeedY( a_Distance.y);
 		SetSpeedZ( a_Distance.z);
diff --git a/src/Entities/FallingBlock.cpp b/src/Entities/FallingBlock.cpp
index 4a165909a..bae13ea66 100644
--- a/src/Entities/FallingBlock.cpp
+++ b/src/Entities/FallingBlock.cpp
@@ -38,7 +38,7 @@ void cFallingBlock::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	// GetWorld()->BroadcastTeleportEntity(*this);  // Test position
 	
 	int BlockX = POSX_TOINT;
-	int BlockY = (int)(GetPosY() - 0.5);
+	int BlockY = static_cast<int>(GetPosY() - 0.5);
 	int BlockZ = POSZ_TOINT;
 	
 	if (BlockY < 0)
diff --git a/src/Entities/FireChargeEntity.cpp b/src/Entities/FireChargeEntity.cpp
index f6c665156..10d83b8dd 100644
--- a/src/Entities/FireChargeEntity.cpp
+++ b/src/Entities/FireChargeEntity.cpp
@@ -19,11 +19,11 @@ cFireChargeEntity::cFireChargeEntity(cEntity * a_Creator, double a_X, double a_Y
 
 
 
-void cFireChargeEntity::Explode(int a_BlockX, int a_BlockY, int a_BlockZ)
+void cFireChargeEntity::Explode(Vector3i a_Block)
 {
-	if (m_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_AIR)
+	if (m_World->GetBlock(a_Block) == E_BLOCK_AIR)
 	{
-		m_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_FIRE, 1);
+		m_World->SetBlock(a_Block.x, a_Block.y, a_Block.z, E_BLOCK_FIRE, 1);
 	}
 }
 
@@ -34,7 +34,7 @@ void cFireChargeEntity::Explode(int a_BlockX, int a_BlockY, int a_BlockZ)
 void cFireChargeEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace)
 {
 	Destroy();
-	Explode((int)floor(a_HitPos.x), (int)floor(a_HitPos.y), (int)floor(a_HitPos.z));
+	Explode(a_HitPos.Floor());
 }
 
 
@@ -44,7 +44,7 @@ void cFireChargeEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_
 void cFireChargeEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos)
 {
 	Destroy();
-	Explode((int)floor(a_HitPos.x), (int)floor(a_HitPos.y), (int)floor(a_HitPos.z));
+	Explode(a_HitPos.Floor());
 	
 	// TODO: Some entities are immune to hits
 	a_EntityHit.StartBurning(5 * 20);  // 5 seconds of burning
diff --git a/src/Entities/FireChargeEntity.h b/src/Entities/FireChargeEntity.h
index eb08f5324..25f04cb7c 100644
--- a/src/Entities/FireChargeEntity.h
+++ b/src/Entities/FireChargeEntity.h
@@ -32,7 +32,7 @@ public:
 	
 protected:
 	
-	void Explode(int a_BlockX, int a_BlockY, int a_BlockZ);
+	void Explode(Vector3i a_Block);
 	
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
diff --git a/src/Entities/GhastFireballEntity.cpp b/src/Entities/GhastFireballEntity.cpp
index c64fb2a17..1adfd1bc0 100644
--- a/src/Entities/GhastFireballEntity.cpp
+++ b/src/Entities/GhastFireballEntity.cpp
@@ -19,9 +19,9 @@ cGhastFireballEntity::cGhastFireballEntity(cEntity * a_Creator, double a_X, doub
 
 
 
-void cGhastFireballEntity::Explode(int a_BlockX, int a_BlockY, int a_BlockZ)
+void cGhastFireballEntity::Explode(Vector3i a_Block)
 {
-	m_World->DoExplosionAt(1, a_BlockX, a_BlockY, a_BlockZ, true, esGhastFireball, this);
+	m_World->DoExplosionAt(1, a_Block.x, a_Block.y, a_Block.z, true, esGhastFireball, this);
 }
 
 
@@ -31,7 +31,7 @@ void cGhastFireballEntity::Explode(int a_BlockX, int a_BlockY, int a_BlockZ)
 void cGhastFireballEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace)
 {
 	Destroy();
-	Explode((int)floor(a_HitPos.x), (int)floor(a_HitPos.y), (int)floor(a_HitPos.z));
+	Explode(a_HitPos.Floor());
 }
 
 
@@ -41,5 +41,5 @@ void cGhastFireballEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace
 void cGhastFireballEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos)
 {
 	Destroy();
-	Explode((int)floor(a_HitPos.x), (int)floor(a_HitPos.y), (int)floor(a_HitPos.z));
+	Explode(a_HitPos.Floor());
 }
diff --git a/src/Entities/GhastFireballEntity.h b/src/Entities/GhastFireballEntity.h
index bbce89d31..dc136dfc2 100644
--- a/src/Entities/GhastFireballEntity.h
+++ b/src/Entities/GhastFireballEntity.h
@@ -32,7 +32,7 @@ public:
 	
 protected:
 	
-	void Explode(int a_BlockX, int a_BlockY, int a_BlockZ);
+	void Explode(Vector3i a_Block);
 	
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
diff --git a/src/Entities/HangingEntity.h b/src/Entities/HangingEntity.h
index 9d783006c..5d0aa17b3 100644
--- a/src/Entities/HangingEntity.h
+++ b/src/Entities/HangingEntity.h
@@ -46,6 +46,9 @@ public:
 
 protected:
 
+	Byte m_Facing;
+
+
 	virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
 	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override
 	{
@@ -53,6 +56,7 @@ protected:
 		UNUSED(a_Chunk);
 	}
 
+
 	/** Converts protocol hanging item facing to eBlockFace values */
 	inline static eBlockFace ProtocolFaceToBlockFace(Byte a_ProtocolFace)
 	{
@@ -77,6 +81,7 @@ protected:
 		return Dir;
 	}
 
+
 	/** Converts eBlockFace values to protocol hanging item faces */
 	inline static Byte BlockFaceToProtocolFace(eBlockFace a_BlockFace)
 	{
@@ -89,7 +94,9 @@ protected:
 			case BLOCK_FACE_ZM: Dir = 2; break;
 			case BLOCK_FACE_XM: Dir = 1; break;
 			case BLOCK_FACE_XP: Dir = 3; break;
-			default:
+			case BLOCK_FACE_YP:
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_NONE:
 			{
 				// Uncomment when entities are initialised with their real data, instead of dummy values:
 				// LOGINFO("Invalid facing (%d) in a cHangingEntity, adjusting to BLOCK_FACE_XP.", a_BlockFace);
@@ -97,13 +104,17 @@ protected:
 
 				Dir = cHangingEntity::BlockFaceToProtocolFace(BLOCK_FACE_XP);
 			}
+			#if !defined(__clang__)
+			default:
+			{
+				ASSERT(!"Unknown BLOCK_FACE");
+				return 0;
+			}
+			#endif
 		}
 
 		return Dir;
 	}
-
-	Byte m_Facing;
-
 };  // tolua_export
 
 
diff --git a/src/Entities/ItemFrame.cpp b/src/Entities/ItemFrame.cpp
index 4e6e38f1f..6317eba85 100644
--- a/src/Entities/ItemFrame.cpp
+++ b/src/Entities/ItemFrame.cpp
@@ -62,7 +62,7 @@ void cItemFrame::KilledBy(TakeDamageInfo & a_TDI)
 		return;
 	}
 
-	if ((a_TDI.Attacker != nullptr) && a_TDI.Attacker->IsPlayer() && !((cPlayer *)a_TDI.Attacker)->IsGameModeCreative())
+	if ((a_TDI.Attacker != nullptr) && a_TDI.Attacker->IsPlayer() && !static_cast<cPlayer *>(a_TDI.Attacker)->IsGameModeCreative())
 	{
 		cItems Item;
 		Item.push_back(m_Item);
@@ -83,7 +83,7 @@ void cItemFrame::KilledBy(TakeDamageInfo & a_TDI)
 
 void cItemFrame::GetDrops(cItems & a_Items, cEntity * a_Killer)
 {
-	if ((a_Killer != nullptr) && a_Killer->IsPlayer() && !((cPlayer *)a_Killer)->IsGameModeCreative())
+	if ((a_Killer != nullptr) && a_Killer->IsPlayer() && !static_cast<cPlayer *>(a_Killer)->IsGameModeCreative())
 	{
 		a_Items.push_back(cItem(E_ITEM_ITEM_FRAME));
 	}
@@ -96,7 +96,7 @@ void cItemFrame::GetDrops(cItems & a_Items, cEntity * a_Killer)
 void cItemFrame::SpawnOn(cClientHandle & a_ClientHandle)
 {
 	super::SpawnOn(a_ClientHandle);
-	a_ClientHandle.SendSpawnObject(*this, 71, GetProtocolFacing(), (Byte)GetYaw(), (Byte)GetPitch());
+	a_ClientHandle.SendSpawnObject(*this, 71, GetProtocolFacing(), static_cast<Byte>(GetYaw()), static_cast<Byte>(GetPitch()));
 	a_ClientHandle.SendEntityMetadata(*this);
 }
 
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index b80759d24..7274a7a41 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -106,7 +106,7 @@ cMinecart::cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z) :
 
 void cMinecart::SpawnOn(cClientHandle & a_ClientHandle)
 {
-	a_ClientHandle.SendSpawnVehicle(*this, 10, (char)m_Payload);  // 10 = Minecarts
+	a_ClientHandle.SendSpawnVehicle(*this, 10, static_cast<char>(m_Payload));  // 10 = Minecarts
 	a_ClientHandle.SendEntityMetadata(*this);
 }
 
@@ -725,11 +725,11 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		{
 			if (GetSpeedZ() > 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ()));
+				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, static_cast<int>(ceil(GetPosZ())));
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
 					// We could try to detect a block in front based purely on coordinates, but xoft made a bounding box system - why not use? :P
-					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ())), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, static_cast<int>(ceil(GetPosZ()))), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -762,10 +762,10 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		{
 			if (GetSpeedX() > 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT);
+				BLOCKTYPE Block = m_World->GetBlock(static_cast<int>(ceil(GetPosX())), POSY_TOINT, POSZ_TOINT);
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
-					cBoundingBox bbBlock(Vector3d((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d(static_cast<int>(ceil(GetPosX())), POSY_TOINT, POSZ_TOINT), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -1003,7 +1003,7 @@ bool cMinecart::TestEntityCollision(NIBBLETYPE a_RailMeta)
 
 bool cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
 {
-	if ((TDI.Attacker != nullptr) && TDI.Attacker->IsPlayer() && ((cPlayer *)TDI.Attacker)->IsGameModeCreative())
+	if ((TDI.Attacker != nullptr) && TDI.Attacker->IsPlayer() && static_cast<cPlayer *>(TDI.Attacker)->IsGameModeCreative())
 	{
 		Destroy();
 		TDI.FinalDamage = GetMaxHealth();  // Instant hit for creative
@@ -1051,11 +1051,6 @@ bool cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
 				Drops.push_back(cItem(E_ITEM_MINECART_WITH_HOPPER, 1, 0));
 				break;
 			}
-			default:
-			{
-				ASSERT(!"Unhandled minecart type when spawning pickup!");
-				return true;
-			}
 		}
 		
 		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ());
diff --git a/src/Entities/Painting.cpp b/src/Entities/Painting.cpp
index 02a8f6ed0..d73c2a245 100644
--- a/src/Entities/Painting.cpp
+++ b/src/Entities/Painting.cpp
@@ -33,7 +33,7 @@ void cPainting::SpawnOn(cClientHandle & a_Client)
 
 void cPainting::GetDrops(cItems & a_Items, cEntity * a_Killer)
 {
-	if ((a_Killer != nullptr) && a_Killer->IsPlayer() && !((cPlayer *)a_Killer)->IsGameModeCreative())
+	if ((a_Killer != nullptr) && a_Killer->IsPlayer() && !static_cast<cPlayer *>(a_Killer)->IsGameModeCreative())
 	{
 		a_Items.push_back(cItem(E_ITEM_PAINTING));
 	}
diff --git a/src/Entities/Pawn.cpp b/src/Entities/Pawn.cpp
index fcb686e28..2cd0f2f0e 100644
--- a/src/Entities/Pawn.cpp
+++ b/src/Entities/Pawn.cpp
@@ -75,10 +75,10 @@ void cPawn::AddEntityEffect(cEntityEffect::eType a_EffectType, int a_Duration, s
 	{
 		return;
 	}
-	a_Duration = (int)(a_Duration * a_DistanceModifier);
+	a_Duration = static_cast<int>(a_Duration * a_DistanceModifier);
 	
 	m_EntityEffects[a_EffectType] = cEntityEffect::CreateEntityEffect(a_EffectType, a_Duration, a_Intensity, a_DistanceModifier);
-	m_World->BroadcastEntityEffect(*this, a_EffectType, a_Intensity, a_Duration);
+	m_World->BroadcastEntityEffect(*this, a_EffectType, a_Intensity, static_cast<short>(a_Duration));
 	m_EntityEffects[a_EffectType]->OnActivate(*this);
 }
 
diff --git a/src/Entities/Pickup.cpp b/src/Entities/Pickup.cpp
index f2f76dbf9..e4576a8f2 100644
--- a/src/Entities/Pickup.cpp
+++ b/src/Entities/Pickup.cpp
@@ -38,7 +38,7 @@ public:
 		Vector3d EntityPos = a_Entity->GetPosition();
 		double Distance = (EntityPos - m_Position).Length();
 
-		cItem & Item = ((cPickup *)a_Entity)->GetItem();
+		cItem & Item = static_cast<cPickup *>(a_Entity)->GetItem();
 		if ((Distance < 1.2) && Item.IsEqual(m_Pickup->GetItem()))
 		{
 			short CombineCount = Item.m_ItemCount;
@@ -52,7 +52,7 @@ public:
 				return false;
 			}
 
-			m_Pickup->GetItem().AddCount((char)CombineCount);
+			m_Pickup->GetItem().AddCount(static_cast<char>(CombineCount));
 			Item.m_ItemCount -= CombineCount;
 
 			if (Item.m_ItemCount <= 0)
@@ -228,8 +228,9 @@ bool cPickup::CollectedBy(cPlayer & a_Dest)
 
 		m_Item.m_ItemCount -= NumAdded;
 		m_World->BroadcastCollectEntity(*this, a_Dest);
+
 		// Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;)
-		m_World->BroadcastSoundEffect("random.pop", GetPosX(), GetPosY(), GetPosZ(), 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
+		m_World->BroadcastSoundEffect("random.pop", GetPosX(), GetPosY(), GetPosZ(), 0.5, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
 		if (m_Item.m_ItemCount <= 0)
 		{
 			// All of the pickup has been collected, schedule the pickup for destroying
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index b5a48d9bf..e3e3fac4f 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -94,7 +94,7 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) :
 
 	SetMaxHealth(MAX_HEALTH);
 	m_Health = MAX_HEALTH;
-	
+
 	m_LastPlayerListTime = std::chrono::steady_clock::now();
 	m_PlayerName = a_PlayerName;
 
@@ -106,7 +106,7 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) :
 		SetPosY(World->GetSpawnY());
 		SetPosZ(World->GetSpawnZ());
 		SetBedPos(Vector3i(static_cast<int>(World->GetSpawnX()), static_cast<int>(World->GetSpawnY()), static_cast<int>(World->GetSpawnZ())));
-		
+
 		LOGD("Player \"%s\" is connecting for the first time, spawning at default world spawn {%.2f, %.2f, %.2f}",
 			a_PlayerName.c_str(), GetPosX(), GetPosY(), GetPosZ()
 		);
@@ -135,7 +135,7 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) :
 		m_IsFlying = true;
 		m_bVisible = false;
 	}
-	
+
 	cRoot::Get()->GetServer()->PlayerCreated(this);
 }
 
@@ -152,17 +152,17 @@ cPlayer::~cPlayer(void)
 	}
 
 	LOGD("Deleting cPlayer \"%s\" at %p, ID %d", GetName().c_str(), this, GetUniqueID());
-	
+
 	// Notify the server that the player is being destroyed
 	cRoot::Get()->GetServer()->PlayerDestroying(this);
 
 	SaveToDisk();
 
 	m_ClientHandle = nullptr;
-	
+
 	delete m_InventoryWindow;
 	m_InventoryWindow = nullptr;
-	
+
 	LOGD("Player %p deleted", this);
 }
 
@@ -208,7 +208,7 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 			m_ClientHandle = nullptr;
 			return;
 		}
-		
+
 		if (!m_ClientHandle->IsPlaying())
 		{
 			// We're not yet in the game, ignore everything
@@ -217,21 +217,21 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	}
 
 	m_Stats.AddValue(statMinutesPlayed, 1);
-	
+
 	if (!a_Chunk.IsValid())
 	{
 		// This may happen if the cPlayer is created before the chunks have the chance of being loaded / generated (#83)
 		return;
 	}
-	
+
 	super::Tick(a_Dt, a_Chunk);
-	
+
 	// Handle charging the bow:
 	if (m_IsChargingBow)
 	{
 		m_BowCharge += 1;
 	}
-	
+
 	// Handle updating experience
 	if (m_bDirtyExperience)
 	{
@@ -243,7 +243,7 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	{
 		// Apply food exhaustion from movement:
 		ApplyFoodExhaustionFromMovement();
-		
+
 		if (cRoot::Get()->GetPluginManager()->CallHookPlayerMoving(*this, m_LastPos, GetPosition()))
 		{
 			CanMove = false;
@@ -264,10 +264,10 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 		{
 			FinishEating();
 		}
-		
+
 		HandleFood();
 	}
-	
+
 	if (m_IsFishing)
 	{
 		HandleFloater();
@@ -467,7 +467,7 @@ void cPlayer::SetTouchGround(bool a_bTouchGround)
 	{
 		return;
 	}
-	
+
 	m_bTouchGround = a_bTouchGround;
 
 	if (!m_bTouchGround)
@@ -516,7 +516,7 @@ void cPlayer::SetTouchGround(bool a_bTouchGround)
 		{
 			// cPlayer makes sure damage isn't applied in creative, no need to check here
 			TakeDamage(dtFalling, nullptr, Damage, Damage, 0);
-			
+
 			// Fall particles
 			GetWorld()->BroadcastSoundParticleEffect(2006, POSX_TOINT, static_cast<int>(GetPosY()) - 1, POSZ_TOINT, Damage /* Used as particle effect speed modifier */);
 		}
@@ -548,7 +548,7 @@ void cPlayer::SetFoodLevel(int a_FoodLevel)
 		m_FoodSaturationLevel = 5.0;
 		return;
 	}
-	
+
 	m_FoodLevel = FoodLevel;
 	SendHealth();
 }
@@ -616,7 +616,7 @@ void cPlayer::StartEating(void)
 {
 	// Set the timer:
 	m_EatingFinishTick = m_World->GetWorldAge() + EATING_TICKS;
-	
+
 	// Send the packets:
 	m_World->BroadcastEntityAnimation(*this, 3);
 	m_World->BroadcastEntityMetadata(*this);
@@ -630,7 +630,7 @@ void cPlayer::FinishEating(void)
 {
 	// Reset the timer:
 	m_EatingFinishTick = -1;
-	
+
 	// Send the packets:
 	m_ClientHandle->SendEntityStatus(*this, esPlayerEatingAccepted);
 	m_World->BroadcastEntityMetadata(*this);
@@ -764,7 +764,7 @@ void cPlayer::SetSprintingMaxSpeed(double a_Speed)
 void cPlayer::SetFlyingMaxSpeed(double a_Speed)
 {
 	m_FlyingMaxSpeed = a_Speed;
-	
+
 	// Update the flying speed, always:
 	m_ClientHandle->SendPlayerAbilities();
 }
@@ -776,7 +776,7 @@ void cPlayer::SetFlyingMaxSpeed(double a_Speed)
 void cPlayer::SetCrouch(bool a_IsCrouched)
 {
 	// Set the crouch status, broadcast to all visible players
-	
+
 	if (a_IsCrouched == m_IsCrouched)
 	{
 		// No change
@@ -797,7 +797,7 @@ void cPlayer::SetSprint(bool a_IsSprinting)
 		// No change
 		return;
 	}
-	
+
 	m_IsSprinting = a_IsSprinting;
 	m_ClientHandle->SendPlayerMaxSpeed();
 }
@@ -883,7 +883,7 @@ bool cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
 			}
 		}
 	}
-	
+
 	if (super::DoTakeDamage(a_TDI))
 	{
 		// Any kind of damage adds food exhaustion
@@ -1012,7 +1012,7 @@ void cPlayer::Respawn(void)
 
 	m_Health = GetMaxHealth();
 	SetInvulnerableTicks(20);
-	
+
 	// Reset food level:
 	m_FoodLevel = MAX_FOOD_LEVEL;
 	m_FoodSaturationLevel = 5.0;
@@ -1024,7 +1024,7 @@ void cPlayer::Respawn(void)
 	// ToDo: send score to client? How?
 
 	m_ClientHandle->SendRespawn(GetWorld()->GetDimension(), true);
-	
+
 	// Extinguish the fire:
 	StopBurning();
 
@@ -1158,7 +1158,7 @@ void cPlayer::CloseWindow(bool a_CanRefuse)
 		m_CurrentWindow = m_InventoryWindow;
 		return;
 	}
-	
+
 	if (m_CurrentWindow->ClosedByPlayer(*this, a_CanRefuse) || !a_CanRefuse)
 	{
 		// Close accepted, go back to inventory window (the default):
@@ -1196,30 +1196,17 @@ void cPlayer::SetGameMode(eGameMode a_GameMode)
 		LOGWARNING("%s: Setting invalid gamemode: %d", GetName().c_str(), a_GameMode);
 		return;
 	}
-	
+
 	if (m_GameMode == a_GameMode)
 	{
 		// Gamemode already set
 		return;
 	}
-	
+
 	m_GameMode = a_GameMode;
 	m_ClientHandle->SendGameMode(a_GameMode);
 
-	if (!(IsGameModeCreative() || IsGameModeSpectator()))
-	{
-		SetFlying(false);
-		SetCanFly(false);
-	}
-
-	if (IsGameModeSpectator() && IsVisible())
-	{
-		SetVisible(false);
-	}
-	else if (!IsVisible())
-	{
-		SetVisible(true);
-	}
+	SetCapabilities();
 
 	m_World->BroadcastPlayerListUpdateGameMode(*this);
 }
@@ -1231,6 +1218,30 @@ void cPlayer::SetGameMode(eGameMode a_GameMode)
 void cPlayer::LoginSetGameMode( eGameMode a_GameMode)
 {
 	m_GameMode = a_GameMode;
+
+	SetCapabilities();
+}
+
+
+
+
+
+void cPlayer::SetCapabilities()
+{
+	if (!IsGameModeCreative() || IsGameModeSpectator())
+	{
+		SetFlying(false);
+		SetCanFly(false);
+	}
+
+	if (IsGameModeSpectator())
+	{
+		SetVisible(false);
+	}
+	else
+	{
+		SetVisible(true);
+	}
 }
 
 
@@ -1322,12 +1333,12 @@ void cPlayer::SendRotation(double a_YawDegrees, double a_PitchDegrees)
 Vector3d cPlayer::GetThrowStartPos(void) const
 {
 	Vector3d res = GetEyePosition();
-	
+
 	// Adjust the position to be just outside the player's bounding box:
 	res.x += 0.16 * cos(GetPitch());
 	res.y += -0.1;
 	res.z += 0.16 * sin(GetPitch());
-	
+
 	return res;
 }
 
@@ -1339,9 +1350,9 @@ Vector3d cPlayer::GetThrowSpeed(double a_SpeedCoeff) const
 {
 	Vector3d res = GetLookVector();
 	res.Normalize();
-	
+
 	// TODO: Add a slight random change (+-0.0075 in each direction)
-	
+
 	return res * a_SpeedCoeff;
 }
 
@@ -1386,13 +1397,13 @@ void cPlayer::MoveTo( const Vector3d & a_NewPos)
 		}
 		return;
 	}
-	
+
 	// TODO: should do some checks to see if player is not moving through terrain
 	// TODO: Official server refuses position packets too far away from each other, kicking "hacked" clients; we should, too
 
 	Vector3d DeltaPos = a_NewPos - GetPosition();
 	UpdateMovementStats(DeltaPos);
-	
+
 	SetPosition( a_NewPos);
 	SetStance(a_NewPos.y + 1.62);
 }
@@ -1427,7 +1438,7 @@ bool cPlayer::HasPermission(const AString & a_Permission)
 		// Empty permission request is always granted
 		return true;
 	}
-	
+
 	AStringVector Split = StringSplit(a_Permission, ".");
 
 	// Iterate over all restrictions; if any matches, then return failure:
@@ -1599,7 +1610,7 @@ void cPlayer::TossItems(const cItems & a_Items)
 	{
 		return;
 	}
-	
+
 	m_Stats.AddValue(statItemsDropped, (StatValue)a_Items.Size());
 
 	double vX = 0, vY = 0, vZ = 0;
@@ -1621,7 +1632,7 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn)
 		// Don't move to same world
 		return false;
 	}
-	
+
 	//  Ask the plugins if the player is allowed to changing the world
 	if (cRoot::Get()->GetPluginManager()->CallHookEntityChangingWorld(*this, *a_World))
 	{
@@ -1658,7 +1669,7 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn)
 
 	// Broadcast the player into the new world.
 	a_World->BroadcastSpawnEntity(*this);
-	
+
 	// Player changed the world, call the hook
 	cRoot::Get()->GetPluginManager()->CallHookEntityChangedWorld(*this, *OldWorld);
 
@@ -1678,7 +1689,7 @@ bool cPlayer::LoadFromDisk(cWorldPtr & a_World)
 	{
 		return true;
 	}
-	
+
 	// Load from the offline UUID file, if allowed:
 	AString OfflineUUID = cClientHandle::GenerateOfflineUUID(GetName());
 	const char * OfflineUsage = " (unused)";
@@ -1690,7 +1701,7 @@ bool cPlayer::LoadFromDisk(cWorldPtr & a_World)
 			return true;
 		}
 	}
-	
+
 	// Load from the old-style name-based file, if allowed:
 	if (cRoot::Get()->GetServer()->ShouldLoadNamedPlayerData())
 	{
@@ -1705,7 +1716,7 @@ bool cPlayer::LoadFromDisk(cWorldPtr & a_World)
 			return true;
 		}
 	}
-	
+
 	// None of the files loaded successfully
 	LOG("Player data file not found for %s (%s, offline %s%s), will be reset to defaults.",
 		GetName().c_str(), m_UUID.c_str(), OfflineUUID.c_str(), OfflineUsage
@@ -1782,7 +1793,7 @@ bool cPlayer::LoadFromFile(const AString & a_FileName, cWorldPtr & a_World)
 	{
 		m_CanFly = true;
 	}
-	
+
 	m_Inventory.LoadFromJson(root["inventory"]);
 	cEnderChestEntity::LoadFromJson(root["enderchestinventory"], m_EnderChestContents);
 
@@ -1801,11 +1812,11 @@ bool cPlayer::LoadFromFile(const AString & a_FileName, cWorldPtr & a_World)
 	// We use the default world name (like bukkit) because stats are shared between dimensions / worlds.
 	cStatSerializer StatSerializer(cRoot::Get()->GetDefaultWorld()->GetName(), GetName(), &m_Stats);
 	StatSerializer.Load();
-	
+
 	LOGD("Player %s was read from file \"%s\", spawning at {%.2f, %.2f, %.2f} in world \"%s\"",
 		GetName().c_str(), a_FileName.c_str(), GetPosX(), GetPosY(), GetPosZ(), a_World->GetName().c_str()
 	);
-	
+
 	return true;
 }
 
@@ -2161,7 +2172,7 @@ void cPlayer::ApplyFoodExhaustionFromMovement()
 	{
 		return;
 	}
-	
+
 	// Calculate the distance travelled, update the last pos:
 	Vector3d Movement(GetPosition() - m_LastPos);
 	Movement.y = 0;  // Only take XZ movement into account
@@ -2364,7 +2375,7 @@ AString cPlayer::GetUUIDFileName(const AString & a_UUID)
 {
 	AString UUID = cMojangAPI::MakeUUIDDashed(a_UUID);
 	ASSERT(UUID.length() == 36);
-	
+
 	AString res("players/");
 	res.append(UUID, 0, 2);
 	res.push_back('/');
@@ -2372,7 +2383,3 @@ AString cPlayer::GetUUIDFileName(const AString & a_UUID)
 	res.append(".json");
 	return res;
 }
-
-
-
-
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index 579eb8748..a84fdd0c7 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -26,42 +26,42 @@ class cPlayer :
 	public cPawn
 {
 	typedef cPawn super;
-	
+
 public:
 	static const int MAX_HEALTH;
-	
+
 	static const int MAX_FOOD_LEVEL;
-	
+
 	/** Number of ticks it takes to eat an item */
 	static const int EATING_TICKS;
-	
+
 	// tolua_end
-	
+
 	CLASS_PROTODEF(cPlayer)
-	
+
 
 	cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName);
-	
+
 	virtual ~cPlayer();
 
 	virtual void SpawnOn(cClientHandle & a_Client) override;
-	
+
 	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk &) override { UNUSED(a_Dt); }
 
 	/** Returns the curently equipped weapon; empty item if none */
 	virtual cItem GetEquippedWeapon(void) const override { return m_Inventory.GetEquippedItem(); }
-	
+
 	/** Returns the currently equipped helmet; empty item if none */
 	virtual cItem GetEquippedHelmet(void) const override { return m_Inventory.GetEquippedHelmet(); }
-	
+
 	/** Returns the currently equipped chestplate; empty item if none */
 	virtual cItem GetEquippedChestplate(void) const override { return m_Inventory.GetEquippedChestplate(); }
 
 	/** Returns the currently equipped leggings; empty item if none */
 	virtual cItem GetEquippedLeggings(void) const override { return m_Inventory.GetEquippedLeggings(); }
-	
+
 	/** Returns the currently equipped boots; empty item if none */
 	virtual cItem GetEquippedBoots(void) const override { return m_Inventory.GetEquippedBoots(); }
 
@@ -104,16 +104,16 @@ public:
 	static int CalcLevelFromXp(int a_CurrentXp);
 
 	// tolua_end
-	
+
 	/** Starts charging the equipped bow */
 	void StartChargingBow(void);
-	
+
 	/** Finishes charging the current bow. Returns the number of ticks for which the bow has been charged */
 	int FinishChargingBow(void);
-	
+
 	/** Cancels the current bow charging */
 	void CancelChargingBow(void);
-	
+
 	/** Returns true if the player is currently charging the bow */
 	bool IsChargingBow(void) const { return m_IsChargingBow; }
 
@@ -128,7 +128,7 @@ public:
 
 	/** Gets the contents of the player's associated enderchest */
 	cItemGrid & GetEnderChestContents(void) { return m_EnderChestContents; }
-	
+
 	inline const cItem & GetEquippedItem(void) const { return GetInventory().GetEquippedItem(); }  // tolua_export
 
 	/** Returns whether the player is climbing (ladders, vines etc.) */
@@ -137,43 +137,49 @@ public:
 	virtual void TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ) override;
 
 	// tolua_begin
-	
+
 	/** Sends the "look" packet to the player, forcing them to set their rotation to the specified values.
 	a_YawDegrees is clipped to range [-180, +180),
 	a_PitchDegrees is clipped to range [-180, +180) but the client only uses [-90, +90]
 	*/
 	void SendRotation(double a_YawDegrees, double a_PitchDegrees);
-	
+
 	/** Returns the position where projectiles thrown by this player should start, player eye position + adjustment */
 	Vector3d GetThrowStartPos(void) const;
-	
+
 	/** Returns the initial speed vector of a throw, with a 3D length of a_SpeedCoeff. */
 	Vector3d GetThrowSpeed(double a_SpeedCoeff) const;
-	
+
 	/** Returns the current gamemode. Partly OBSOLETE, you should use IsGameModeXXX() functions wherever applicable */
 	eGameMode GetGameMode(void) const { return m_GameMode; }
-	
+
 	/** Returns the current effective gamemode (inherited gamemode is resolved before returning) */
 	eGameMode GetEffectiveGameMode(void) const { return (m_GameMode == gmNotSet) ? m_World->GetGameMode() : m_GameMode; }
-	
+
 	/** Sets the gamemode for the player.
 	The gamemode may be gmNotSet, in that case the player inherits the world's gamemode.
 	Updates the gamemode on the client (sends the packet)
 	*/
 	void SetGameMode(eGameMode a_GameMode);
 
+	// Sets the current gamemode, doesn't check validity, doesn't send update packets to client
+	void LoginSetGameMode(eGameMode a_GameMode);
+
+	// Updates player's capabilities - flying, visibility, etc. from their gamemode.
+	void SetCapabilities();
+
 	/** Returns true if the player is in Creative mode, either explicitly, or by inheriting from current world */
 	bool IsGameModeCreative(void) const;
-	
+
 	/** Returns true if the player is in Survival mode, either explicitly, or by inheriting from current world */
 	bool IsGameModeSurvival(void) const;
-	
+
 	/** Returns true if the player is in Adventure mode, either explicitly, or by inheriting from current world */
 	bool IsGameModeAdventure(void) const;
-	
+
 	/** Returns true if the player is in Spectator mode, either explicitly, or by inheriting from current world */
 	bool IsGameModeSpectator(void) const;
-	
+
 	AString GetIP(void) const { return m_IP; }  // tolua_export
 
 	/** Returns the associated team, nullptr if none */
@@ -195,11 +201,8 @@ public:
 	If the achievement has been already awarded to the player, this method will just increment the stat counter.
 	Returns the _new_ stat value. (0 = Could not award achievement) */
 	unsigned int AwardAchievement(const eStatistic a_Ach);
-	
+
 	void SetIP(const AString & a_IP);
-	
-	// Sets the current gamemode, doesn't check validity, doesn't send update packets to client
-	void LoginSetGameMode(eGameMode a_GameMode);
 
 	/** Forces the player to move in the given direction.
 	@deprecated Use SetSpeed instead. */
@@ -210,15 +213,15 @@ public:
 
 	cWindow * GetWindow(void) { return m_CurrentWindow; }  // tolua_export
 	const cWindow * GetWindow(void) const { return m_CurrentWindow; }
-	
+
 	/** Opens the specified window; closes the current one first using CloseWindow() */
 	void OpenWindow(cWindow * a_Window);  // Exported in ManualBindings.cpp
-	
+
 	// tolua_begin
-	
+
 	/** Closes the current window, resets current window to m_InventoryWindow. A plugin may refuse the closing if a_CanRefuse is true */
 	void CloseWindow(bool a_CanRefuse = true);
-	
+
 	/** Closes the current window if it matches the specified ID, resets current window to m_InventoryWindow */
 	void CloseWindowIfID(char a_WindowID, bool a_CanRefuse = true);
 
@@ -243,7 +246,7 @@ public:
 
 	const AString & GetName(void) const { return m_PlayerName; }
 	void SetName(const AString & a_Name) { m_PlayerName = a_Name; }
-	
+
 	// tolua_end
 
 	bool HasPermission(const AString & a_Permission);  // tolua_export
@@ -260,7 +263,7 @@ public:
 	const AStringVector & GetRestrictions(void) const { return m_Restrictions; }  // Exported in ManualBindings.cpp
 
 	// tolua_begin
-	
+
 	/** Returns the full color code to use for this player, based on their rank.
 	The returned value either is empty, or includes the cChatColor::Delimiter. */
 	AString GetColor(void) const;
@@ -279,15 +282,15 @@ public:
 
 	/** Heals the player by the specified amount of HPs (positive only); sends health update */
 	virtual void Heal(int a_Health) override;
-	
+
 	int    GetFoodLevel                 (void) const { return m_FoodLevel; }
 	double GetFoodSaturationLevel       (void) const { return m_FoodSaturationLevel; }
 	int    GetFoodTickTimer             (void) const { return m_FoodTickTimer; }
 	double GetFoodExhaustionLevel       (void) const { return m_FoodExhaustionLevel; }
-	
+
 	/** Returns true if the player is satiated, i. e. their foodlevel is at the max and they cannot eat anymore */
 	bool IsSatiated(void) const { return (m_FoodLevel >= MAX_FOOD_LEVEL); }
-	
+
 	void SetFoodLevel                 (int a_FoodLevel);
 	void SetFoodSaturationLevel       (double a_FoodSaturationLevel);
 	void SetFoodTickTimer             (int a_FoodTickTimer);
@@ -298,10 +301,10 @@ public:
 
 	/** Adds the specified exhaustion to m_FoodExhaustion. Expects only positive values. */
 	void AddFoodExhaustion(double a_Exhaustion);
-	
+
 	/** Returns true if the player is currently in the process of eating the currently equipped item */
 	bool IsEating(void) const { return (m_EatingFinishTick >= 0); }
-	
+
 	/** Returns true if the player is currently flying. */
 	bool IsFlying(void) const { return m_IsFlying; }
 
@@ -329,16 +332,16 @@ public:
 			GetWorld()->BroadcastEntityAnimation(*this, 2);
 		}
 	}
-	
+
 	/** Starts eating the currently equipped item. Resets the eating timer and sends the proper animation packet */
 	void StartEating(void);
-	
+
 	/** Finishes eating the currently equipped item. Consumes the item, updates health and broadcasts the packets */
 	void FinishEating(void);
-	
+
 	/** Aborts the current eating operation */
 	void AbortEating(void);
-	
+
 	virtual void KilledBy(TakeDamageInfo & a_TDI) override;
 
 	virtual void Killed(cEntity * a_Victim) override;
@@ -356,69 +359,69 @@ public:
 	bool SaveToDisk(void);
 
 	typedef cWorld * cWorldPtr;
-	
+
 	/** Loads the player data from the disk file
 	Sets a_World to the world where the player will spawn, based on the stored world name or the default world by calling LoadFromFile()
 	Returns true on success, false on failure
 	*/
 	bool LoadFromDisk(cWorldPtr & a_World);
-	
+
 	/** Loads the player data from the specified file
 	Sets a_World to the world where the player will spawn, based on the stored world name or the default world
 	Returns true on success, false on failure
 	*/
 	bool LoadFromFile(const AString & a_FileName, cWorldPtr & a_World);
-	
+
 	const AString & GetLoadedWorldName() { return m_LoadedWorldName; }
 
 	void UseEquippedItem(int a_Amount = 1);
-	
+
 	void SendHealth(void);
 
 	void SendExperience(void);
-	
+
 	/** In UI windows, get the item that the player is dragging */
 	cItem & GetDraggingItem(void) {return m_DraggingItem; }
-	
+
 	// In UI windows, when inventory-painting:
 	/** Clears the list of slots that are being inventory-painted. To be used by cWindow only */
 	void ClearInventoryPaintSlots(void);
-	
+
 	/** Adds a slot to the list for inventory painting. To be used by cWindow only */
 	void AddInventoryPaintSlot(int a_SlotNum);
-	
+
 	/** Returns the list of slots currently stored for inventory painting. To be used by cWindow only */
 	const cSlotNums & GetInventoryPaintSlots(void) const;
-	
+
 	// tolua_begin
-	
+
 	/** Returns the current relative maximum speed (takes current sprinting / flying state into account) */
 	double GetMaxSpeed(void) const;
-	
+
 	/** Gets the normal relative maximum speed */
 	double GetNormalMaxSpeed(void) const { return m_NormalMaxSpeed; }
-	
+
 	/** Gets the sprinting relative maximum speed */
 	double GetSprintingMaxSpeed(void) const { return m_SprintingMaxSpeed; }
-	
+
 	/** Gets the flying relative maximum speed */
 	double GetFlyingMaxSpeed(void) const { return m_FlyingMaxSpeed; }
-	
+
 	/** Sets the normal relative maximum speed. Sends the update to player, if needed. */
 	void SetNormalMaxSpeed(double a_Speed);
-	
+
 	/** Sets the sprinting relative maximum speed. Sends the update to player, if needed. */
 	void SetSprintingMaxSpeed(double a_Speed);
-	
+
 	/** Sets the flying relative maximum speed. Sends the update to player, if needed. */
 	void SetFlyingMaxSpeed(double a_Speed);
-	
+
 	/** Sets the crouch status, broadcasts to all visible players */
 	void SetCrouch(bool a_IsCrouched);
-	
+
 	/** Starts or stops sprinting, sends the max speed update to the client, if needed */
 	void SetSprint(bool a_IsSprinting);
-	
+
 	/** Flags the player as flying */
 	void SetFlying(bool a_IsFlying);
 
@@ -442,17 +445,17 @@ public:
 
 	/** Sets the player's bed (home) position */
 	void SetBedPos(const Vector3i & a_Pos) { m_LastBedPos = a_Pos; }
-	
+
 	// tolua_end
 
 	/** Update movement-related statistics. */
 	void UpdateMovementStats(const Vector3d & a_DeltaPos);
-	
+
 	// tolua_begin
 
 	/** Returns wheter the player can fly or not. */
 	virtual bool CanFly(void) const { return m_CanFly; }
-	
+
 	/** Returns the UUID (short format) that has been read from the client, or empty string if not available. */
 	const AString & GetUUID(void) const { return m_UUID; }
 
@@ -492,7 +495,7 @@ public:
 	/** Called by cClientHandle when the client is being destroyed.
 	The player removes its m_ClientHandle ownership so that the ClientHandle gets deleted. */
 	void RemoveClientHandle(void);
-	
+
 protected:
 
 	typedef std::vector<std::vector<AString> > AStringVectorVector;
@@ -535,16 +538,16 @@ protected:
 	// Food-related variables:
 	/** Represents the food bar, one point equals half a "drumstick" */
 	int m_FoodLevel;
-	
+
 	/** "Overcharge" for the m_FoodLevel; is depleted before m_FoodLevel */
 	double m_FoodSaturationLevel;
-	
+
 	/** Count-up to the healing or damaging action, based on m_FoodLevel */
 	int m_FoodTickTimer;
-	
+
 	/** A "buffer" which adds up hunger before it is substracted from m_FoodSaturationLevel or m_FoodLevel. Each action adds a little */
 	double m_FoodExhaustionLevel;
-	
+
 	float m_LastJumpHeight;
 	float m_LastGroundHeight;
 	bool m_bTouchGround;
@@ -564,31 +567,31 @@ protected:
 
 	eGameMode m_GameMode;
 	AString m_IP;
-	
+
 	/** The item being dragged by the cursor while in a UI window */
 	cItem m_DraggingItem;
 
 	std::chrono::steady_clock::time_point m_LastPlayerListTime;
 
 	cClientHandlePtr m_ClientHandle;
-	
+
 	cSlotNums m_InventoryPaintSlots;
-	
+
 	/** Max speed, relative to the game default.
 	1 means regular speed, 2 means twice as fast, 0.5 means half-speed.
 	Default value is 1. */
 	double m_NormalMaxSpeed;
-	
+
 	/** Max speed, relative to the game default max speed, when sprinting.
 	1 means regular speed, 2 means twice as fast, 0.5 means half-speed.
 	Default value is 1.3. */
 	double m_SprintingMaxSpeed;
-	
+
 	/** Max speed, relative to the game default flying max speed, when flying.
 	1 means regular speed, 2 means twice as fast, 0.5 means half-speed.
 	Default value is 1. */
 	double m_FlyingMaxSpeed;
-	
+
 	bool m_IsCrouched;
 	bool m_IsSprinting;
 	bool m_IsFlying;
@@ -629,7 +632,7 @@ protected:
 	Will not apply food penalties if found to be true; will set to false after processing
 	*/
 	bool m_bIsTeleporting;
-	
+
 	/** The short UUID (no dashes) of the player, as read from the ClientHandle.
 	If no ClientHandle is given, the UUID is initialized to empty. */
 	AString m_UUID;
@@ -649,7 +652,7 @@ protected:
 
 	/** Stops players from burning in creative mode */
 	virtual void TickBurning(cChunk & a_Chunk) override;
-	
+
 	/** Called in each tick to handle food-related processing */
 	void HandleFood(void);
 
@@ -666,7 +669,3 @@ protected:
 	This can be used both for online and offline UUIDs. */
 	AString GetUUIDFileName(const AString & a_UUID);
 } ;  // tolua_export
-
-
-
-
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index 05b7669cd..8e2e412dd 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -30,7 +30,7 @@
 
 
 /// Converts an angle in radians into a byte representation used by the network protocol
-#define ANGLE_TO_PROTO(X) (Byte)(X * 255 / 360)
+#define ANGLE_TO_PROTO(X) static_cast<Byte>(X * 255 / 360)
 
 
 
@@ -222,7 +222,7 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, double a
 	m_ProjectileKind(a_Kind),
 	m_CreatorData(
 		((a_Creator != nullptr) ? a_Creator->GetUniqueID() : cEntity::INVALID_ID),
-		((a_Creator != nullptr) ? (a_Creator->IsPlayer() ? ((cPlayer *)a_Creator)->GetName() : "") : ""),
+		((a_Creator != nullptr) ? (a_Creator->IsPlayer() ? static_cast<cPlayer *>(a_Creator)->GetName() : "") : ""),
 		((a_Creator != nullptr) ? a_Creator->GetEquippedWeapon().m_Enchantments : cEnchantments())
 	),
 	m_IsInGround(false)
@@ -238,7 +238,7 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, double a
 cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Vector3d & a_Pos, const Vector3d & a_Speed, double a_Width, double a_Height) :
 	super(etProjectile, a_Pos.x, a_Pos.y, a_Pos.z, a_Width, a_Height),
 	m_ProjectileKind(a_Kind),
-	m_CreatorData(a_Creator->GetUniqueID(), a_Creator->IsPlayer() ? ((cPlayer *)a_Creator)->GetName() : "", a_Creator->GetEquippedWeapon().m_Enchantments),
+	m_CreatorData(a_Creator->GetUniqueID(), a_Creator->IsPlayer() ? static_cast<cPlayer *>(a_Creator)->GetName() : "", a_Creator->GetEquippedWeapon().m_Enchantments),
 	m_IsInGround(false)
 {
 	SetSpeed(a_Speed);
@@ -281,6 +281,7 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator,
 
 			return new cFireworkEntity(a_Creator, a_X, a_Y, a_Z, *a_Item);
 		}
+		case pkFishingFloat: break;
 	}
 	
 	LOGWARNING("%s: Unknown projectile kind: %d", __FUNCTION__, a_Kind);
diff --git a/src/Entities/SplashPotionEntity.cpp b/src/Entities/SplashPotionEntity.cpp
index fd1a0179b..926fd1abe 100644
--- a/src/Entities/SplashPotionEntity.cpp
+++ b/src/Entities/SplashPotionEntity.cpp
@@ -9,7 +9,7 @@
 
 
 /// Converts an angle in radians into a byte representation used by the network protocol
-#define ANGLE_TO_PROTO(X) (Byte)(X * 255 / 360)
+#define ANGLE_TO_PROTO(X) static_cast<Byte>(X * 255 / 360)
 
 ////////////////////////////////////////////////////////////////////////////////
 // cSplashPotionEntityCallback:
@@ -51,7 +51,7 @@ public:
 		double Reduction = -0.25 * SplashDistance + 1.0;
 		Reduction = std::max(Reduction, 0.0);
 		
-		((cPawn *) a_Entity)->AddEntityEffect(m_EntityEffectType, m_EntityEffect.GetDuration(), m_EntityEffect.GetIntensity(), Reduction);
+		static_cast<cPawn *>(a_Entity)->AddEntityEffect(m_EntityEffectType, m_EntityEffect.GetDuration(), m_EntityEffect.GetIntensity(), Reduction);
 		return false;
 	}
 
@@ -116,7 +116,13 @@ void cSplashPotionEntity::Splash(const Vector3d & a_HitPos)
 	cSplashPotionCallback Callback(a_HitPos, m_EntityEffectType, m_EntityEffect);
 	m_World->ForEachEntity(Callback);
 	
-	m_World->BroadcastSoundParticleEffect(2002, (int)floor(a_HitPos.x), (int)floor(a_HitPos.y), (int)floor(a_HitPos.z), m_PotionColor);
+	m_World->BroadcastSoundParticleEffect(
+		2002,
+		FloorC(a_HitPos.x),
+		FloorC(a_HitPos.y),
+		FloorC(a_HitPos.z),
+		m_PotionColor
+	);
 }
 
 
diff --git a/src/Entities/ThrownEnderPearlEntity.cpp b/src/Entities/ThrownEnderPearlEntity.cpp
index f01cdc18c..12d826042 100644
--- a/src/Entities/ThrownEnderPearlEntity.cpp
+++ b/src/Entities/ThrownEnderPearlEntity.cpp
@@ -77,9 +77,9 @@ void cThrownEnderPearlEntity::TeleportCreator(const Vector3d & a_HitPos)
 	class cProjectileCreatorCallbackForPlayers : public cPlayerListCallback
 	{
 	public:
-		cProjectileCreatorCallbackForPlayers(cEntity * a_Attacker, Vector3i a_HitPos) :
+		cProjectileCreatorCallbackForPlayers(cEntity * a_Attacker, Vector3i a_CallbackHitPos) :
 			m_Attacker(a_Attacker),
-			m_HitPos(a_HitPos)
+			m_HitPos(a_CallbackHitPos)
 		{
 		}
 
diff --git a/src/Entities/ThrownSnowballEntity.cpp b/src/Entities/ThrownSnowballEntity.cpp
index 24db1e7ee..b28205d44 100644
--- a/src/Entities/ThrownSnowballEntity.cpp
+++ b/src/Entities/ThrownSnowballEntity.cpp
@@ -32,7 +32,7 @@ void cThrownSnowballEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d &
 	int TotalDamage = 0;
 	if (a_EntityHit.IsMob())
 	{
-		eMonsterType MobType = ((cMonster &) a_EntityHit).GetMobType();
+		eMonsterType MobType = static_cast<cMonster &>(a_EntityHit).GetMobType();
 		if (MobType == mtBlaze)
 		{
 			TotalDamage = 3;
diff --git a/src/FurnaceRecipe.cpp b/src/FurnaceRecipe.cpp
index ea952a852..e3be6b230 100644
--- a/src/FurnaceRecipe.cpp
+++ b/src/FurnaceRecipe.cpp
@@ -77,7 +77,7 @@ void cFurnaceRecipe::ReloadRecipes(void)
 		size_t FirstCommentSymbol = ParsingLine.find('#');
 		if ((FirstCommentSymbol != AString::npos) && (FirstCommentSymbol != 0))
 		{
-			ParsingLine.erase(ParsingLine.begin() + (const long)FirstCommentSymbol, ParsingLine.end());
+			ParsingLine.erase(ParsingLine.begin() + static_cast<const long>(FirstCommentSymbol), ParsingLine.end());
 		}
 
 		switch (ParsingLine[0])
@@ -121,7 +121,7 @@ void cFurnaceRecipe::AddFuelFromLine(const AString & a_Line, unsigned int a_Line
 	const AStringVector & Sides = StringSplit(Line, "=");
 	if (Sides.size() != 2)
 	{
-		LOGWARNING("furnace.txt: line %d: A single '=' was expected, got %d", a_LineNum, (int)Sides.size() - 1);
+		LOGWARNING("furnace.txt: line %d: A single '=' was expected, got " SIZE_T_FMT, a_LineNum, Sides.size() - 1);
 		LOGINFO("Offending line: \"%s\"", a_Line.c_str());
 		return;
 	}
@@ -163,7 +163,7 @@ void cFurnaceRecipe::AddRecipeFromLine(const AString & a_Line, unsigned int a_Li
 	const AStringVector & Sides = StringSplit(Line, "=");
 	if (Sides.size() != 2)
 	{
-		LOGWARNING("furnace.txt: line %d: A single '=' was expected, got %d", a_LineNum, (int)Sides.size() - 1);
+		LOGWARNING("furnace.txt: line %d: A single '=' was expected, got " SIZE_T_FMT, a_LineNum, Sides.size() - 1);
 		LOGINFO("Offending line: \"%s\"", a_Line.c_str());
 		return;
 	}
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 867155ad2..eb9129c60 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -49,16 +49,16 @@ void cBioGenConstant::InitializeBiomeGen(cIniFile & a_IniFile)
 ////////////////////////////////////////////////////////////////////////////////
 // cBioGenCache:
 
-cBioGenCache::cBioGenCache(cBiomeGenPtr a_BioGenToCache, int a_CacheSize) :
+cBioGenCache::cBioGenCache(cBiomeGenPtr a_BioGenToCache, size_t a_CacheSize) :
 	m_BioGenToCache(a_BioGenToCache),
 	m_CacheSize(a_CacheSize),
-	m_CacheOrder(new int[a_CacheSize]),
+	m_CacheOrder(new size_t[a_CacheSize]),
 	m_CacheData(new sCacheData[a_CacheSize]),
 	m_NumHits(0),
 	m_NumMisses(0),
 	m_TotalChain(0)
 {
-	for (int i = 0; i < m_CacheSize; i++)
+	for (size_t i = 0; i < m_CacheSize; i++)
 	{
 		m_CacheOrder[i] = i;
 		m_CacheData[i].m_ChunkX = 0x7fffffff;
@@ -90,7 +90,7 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
 		LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
 	}
 
-	for (int i = 0; i < m_CacheSize; i++)
+	for (size_t i = 0; i < m_CacheSize; i++)
 	{
 		if (
 			(m_CacheData[m_CacheOrder[i]].m_ChunkX != a_ChunkX) ||
@@ -100,10 +100,10 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
 			continue;
 		}
 		// Found it in the cache
-		int Idx = m_CacheOrder[i];
+		size_t Idx = m_CacheOrder[i];
 		
 		// Move to front:
-		for (int j = i; j > 0; j--)
+		for (size_t j = i; j > 0; j--)
 		{
 			m_CacheOrder[j] = m_CacheOrder[j - 1];
 		}
@@ -122,8 +122,8 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
 	m_BioGenToCache->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
 	
 	// Insert it as the first item in the MRU order:
-	int Idx = m_CacheOrder[m_CacheSize - 1];
-	for (int i = m_CacheSize - 1; i > 0; i--)
+	size_t Idx = m_CacheOrder[m_CacheSize - 1];
+	for (size_t i = m_CacheSize - 1; i > 0; i--)
 	{
 		m_CacheOrder[i] = m_CacheOrder[i - 1];
 	}  // for i - m_CacheOrder[]
@@ -278,7 +278,7 @@ void cBioGenCheckerboard::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::Biome
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
 			int Add = cChunkDef::Width * a_ChunkX + x;
-			int BiomeIdx = (((Base + Add / m_BiomeSize) % m_BiomesCount) + m_BiomesCount) % m_BiomesCount;  // Need to add and modulo twice because of negative numbers
+			size_t BiomeIdx = static_cast<size_t>((((Base + Add / m_BiomeSize) % m_BiomesCount) + m_BiomesCount) % m_BiomesCount);  // Need to add and modulo twice because of negative numbers
 			a_BiomeMap[x + cChunkDef::Width * z] = m_Biomes[BiomeIdx];
 		}
 	}
@@ -314,7 +314,7 @@ void cBioGenVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap &
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
 			int VoronoiCellValue = m_Voronoi.GetValueAt(BaseX + x, AbsoluteZ) / 8;
-			cChunkDef::SetBiome(a_BiomeMap, x, z, m_Biomes[VoronoiCellValue % m_BiomesCount]);
+			cChunkDef::SetBiome(a_BiomeMap, x, z, m_Biomes[static_cast<size_t>(VoronoiCellValue % m_BiomesCount)]);
 		}  // for x
 	}  // for z
 }
@@ -363,7 +363,7 @@ void cBioGenDistortedVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::B
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
 			int VoronoiCellValue = m_Voronoi.GetValueAt(DistortX[x][z], DistortZ[x][z]) / 8;
-			cChunkDef::SetBiome(a_BiomeMap, x, z, m_Biomes[VoronoiCellValue % m_BiomesCount]);
+			cChunkDef::SetBiome(a_BiomeMap, x, z, m_Biomes[static_cast<size_t>(VoronoiCellValue % m_BiomesCount)]);
 		}  // for x
 	}  // for z
 }
@@ -785,7 +785,7 @@ void cBioGenTwoLevel::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap
 		{
 			int SeedX, SeedZ, MinDist2;
 			int BiomeGroup = m_VoronoiLarge.GetValueAt(DistortX[x][z], DistortZ[x][z], SeedX, SeedZ, MinDist2) / 7;
-			int BiomeIdx   = m_VoronoiSmall.GetValueAt(DistortX[x][z], DistortZ[x][z], SeedX, SeedZ, MinDist2) / 11;
+			size_t BiomeIdx   = static_cast<size_t>(m_VoronoiSmall.GetValueAt(DistortX[x][z], DistortZ[x][z], SeedX, SeedZ, MinDist2) / 11);
 			int MinDist1 = (DistortX[x][z] - SeedX) * (DistortX[x][z] - SeedX) + (DistortZ[x][z] - SeedZ) * (DistortZ[x][z] - SeedZ);
 			cChunkDef::SetBiome(a_BiomeMap, x, z, SelectBiome(BiomeGroup, BiomeIdx, (MinDist1 < MinDist2 / 4) ? 1 : 0));
 		}
@@ -796,7 +796,7 @@ void cBioGenTwoLevel::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap
 
 
 
-EMCSBiome cBioGenTwoLevel::SelectBiome(int a_BiomeGroup, int a_BiomeIdx, int a_DistLevel)
+EMCSBiome cBioGenTwoLevel::SelectBiome(int a_BiomeGroup, size_t a_BiomeIdx, int a_DistLevel)
 {
 	// TODO: Move this into settings
 	struct BiomeLevels
@@ -900,7 +900,7 @@ EMCSBiome cBioGenTwoLevel::SelectBiome(int a_BiomeGroup, int a_BiomeIdx, int a_D
 		{ bgMesa,       ARRAYCOUNT(bgMesa), },
 		{ bgDenseTrees, ARRAYCOUNT(bgDenseTrees), },
 	} ;
-	size_t Group = a_BiomeGroup % ARRAYCOUNT(BiomeGroups);
+	size_t Group = static_cast<size_t>(a_BiomeGroup) % ARRAYCOUNT(BiomeGroups);
 	size_t Index = a_BiomeIdx % BiomeGroups[Group].Count;
 	return (a_DistLevel > 0) ? BiomeGroups[Group].Biomes[Index].InnerBiome : BiomeGroups[Group].Biomes[Index].OuterBiome;
 }
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index 13fb40c5f..2580bf53a 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -48,7 +48,7 @@ class cBioGenCache :
 	typedef cBiomeGen super;
 	
 public:
-	cBioGenCache(cBiomeGenPtr a_BioGenToCache, int a_CacheSize);
+	cBioGenCache(cBiomeGenPtr a_BioGenToCache, size_t a_CacheSize);
 	virtual ~cBioGenCache();
 	
 protected:
@@ -63,8 +63,8 @@ protected:
 	} ;
 	
 	// To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data
-	int          m_CacheSize;
-	int *        m_CacheOrder;  // MRU-ized order, indices into m_CacheData array
+	size_t          m_CacheSize;
+	size_t *        m_CacheOrder;  // MRU-ized order, indices into m_CacheData array
 	sCacheData * m_CacheData;   // m_CacheData[m_CacheOrder[0]] is the most recently used
 	
 	// Cache statistics
@@ -311,7 +311,7 @@ protected:
 	/// Selects biome from the specified biome group, based on the specified index.
 	/// Note that both params may overflow
 	/// a_DistLevel is either 0 or 1; zero when it is at the edge of the small Voronoi cell, 1 near the center
-	EMCSBiome SelectBiome(int a_BiomeGroup, int a_BiomeIdx, int a_DistLevel);
+	EMCSBiome SelectBiome(int a_BiomeGroup, size_t a_BiomeIdx, int a_DistLevel);
 } ;
 
 
diff --git a/src/Generating/CMakeLists.txt b/src/Generating/CMakeLists.txt
index a28510d40..ebba4cce8 100644
--- a/src/Generating/CMakeLists.txt
+++ b/src/Generating/CMakeLists.txt
@@ -72,6 +72,32 @@ SET (HDRS
 	VillageGen.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(BioGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=old-style-cast")
+	set_source_files_properties(Caves.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(ChunkGenerator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(CompoGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(CompoGenBiomal.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=old-style-cast")
+	set_source_files_properties(ComposableGenerator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=old-style-cast")
+	set_source_files_properties(DistortedHeightmap.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(EndGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(FinishGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=switch")
+	set_source_files_properties(HeiGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(NetherFortGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(Noise3DGenerator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(PieceGenerator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(Prefab.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(RainbowRoadsGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(Ravines.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(RoughRavines.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=float-equal -Wno-error=old-style-cast")
+	set_source_files_properties(StructGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=switch -Wno-error=old-style-cast")
+	set_source_files_properties(ShapeGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(TestRailsGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors")
+	set_source_files_properties(TwoHeights.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(UnderwaterBaseGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=switch-enum")
+	set_source_files_properties(VillageGen.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=switch-enum")
+endif()
+
 if(NOT MSVC)
 	add_library(Generating ${SRCS} ${HDRS})
 
diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp
index 4a5ac5a18..07855b1d0 100644
--- a/src/Generating/ChunkDesc.cpp
+++ b/src/Generating/ChunkDesc.cpp
@@ -134,7 +134,7 @@ EMCSBiome cChunkDesc::GetBiome(int a_RelX, int a_RelZ)
 
 
 
-void cChunkDesc::SetHeight(int a_RelX, int a_RelZ, int a_Height)
+void cChunkDesc::SetHeight(int a_RelX, int a_RelZ, HEIGHTTYPE a_Height)
 {
 	cChunkDef::SetHeight(m_HeightMap, a_RelX, a_RelZ, a_Height);
 }
@@ -143,7 +143,7 @@ void cChunkDesc::SetHeight(int a_RelX, int a_RelZ, int a_Height)
 
 
 
-int cChunkDesc::GetHeight(int a_RelX, int a_RelZ)
+HEIGHTTYPE cChunkDesc::GetHeight(int a_RelX, int a_RelZ)
 {
 	return cChunkDef::GetHeight(m_HeightMap, a_RelX, a_RelZ);
 }
@@ -158,7 +158,7 @@ void cChunkDesc::SetHeightFromShape(const Shape & a_Shape)
 	{
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
-			for (int y = cChunkDef::Height - 1; y > 0; y--)
+			for (HEIGHTTYPE y = cChunkDef::Height - 1; y > 0; y--)
 			{
 				if (a_Shape[y + x * 256 + z * 16 * 256] != 0)
 				{
@@ -612,8 +612,8 @@ void cChunkDesc::UpdateHeightmap(void)
 	{
 		for (int z = 0; z < cChunkDef::Width; z++)
 		{
-			int Height = 0;
-			for (int y = cChunkDef::Height - 1; y > 0; y--)
+			HEIGHTTYPE Height = 0;
+			for (HEIGHTTYPE y = cChunkDef::Height - 1; y > 0; y--)
 			{
 				BLOCKTYPE BlockType = GetBlockType(x, y, z);
 				if (BlockType != E_BLOCK_AIR)
@@ -636,7 +636,7 @@ void cChunkDesc::CompressBlockMetas(cChunkDef::BlockNibbles & a_DestMetas)
 	const NIBBLETYPE * AreaMetas = m_BlockArea.GetBlockMetas();
 	for (size_t i = 0; i < ARRAYCOUNT(a_DestMetas); i++)
 	{
-		a_DestMetas[i] = AreaMetas[2 * i] | (AreaMetas[2 * i + 1] << 4);
+		a_DestMetas[i] = static_cast<NIBBLETYPE>(AreaMetas[2 * i] | (AreaMetas[2 * i + 1] << 4));
 	}
 }
 
diff --git a/src/Generating/ChunkDesc.h b/src/Generating/ChunkDesc.h
index 480106fb5..1033242f8 100644
--- a/src/Generating/ChunkDesc.h
+++ b/src/Generating/ChunkDesc.h
@@ -65,8 +65,8 @@ public:
 
 	// These operate on the heightmap, so they could get out of sync with the data
 	// Use UpdateHeightmap() to re-calculate heightmap from the block data
-	void       SetHeight(int a_RelX, int a_RelZ, int a_Height);
-	int        GetHeight(int a_RelX, int a_RelZ);
+	void       SetHeight(int a_RelX, int a_RelZ, HEIGHTTYPE a_Height);
+	HEIGHTTYPE GetHeight(int a_RelX, int a_RelZ);
 
 	// tolua_end
 
@@ -204,10 +204,10 @@ public:
 	
 	// Accessors used by cChunkGenerator::Generator descendants:
 	inline cChunkDef::BiomeMap &     GetBiomeMap              (void) { return m_BiomeMap; }
-	inline cChunkDef::BlockTypes &   GetBlockTypes            (void) { return *((cChunkDef::BlockTypes *)m_BlockArea.GetBlockTypes()); }
+	inline cChunkDef::BlockTypes &   GetBlockTypes            (void) { return *(reinterpret_cast<cChunkDef::BlockTypes *>(m_BlockArea.GetBlockTypes())); }
 	// CANNOT, different compression!
 	// inline cChunkDef::BlockNibbles & GetBlockMetas            (void) { return *((cChunkDef::BlockNibbles *)m_BlockArea.GetBlockMetas()); }
-	inline BlockNibbleBytes &        GetBlockMetasUncompressed(void) { return *((BlockNibbleBytes *)m_BlockArea.GetBlockMetas()); }
+	inline BlockNibbleBytes &        GetBlockMetasUncompressed(void) { return *(reinterpret_cast<BlockNibbleBytes *>(m_BlockArea.GetBlockMetas())); }
 	inline cChunkDef::HeightMap &    GetHeightMap             (void) { return m_HeightMap; }
 	inline cEntityList &             GetEntities              (void) { return m_Entities; }
 	inline cBlockEntityList &        GetBlockEntities         (void) { return m_BlockEntities; }
diff --git a/src/Generating/CompoGenBiomal.cpp b/src/Generating/CompoGenBiomal.cpp
index 3140bd754..60f7e7520 100644
--- a/src/Generating/CompoGenBiomal.cpp
+++ b/src/Generating/CompoGenBiomal.cpp
@@ -4,6 +4,9 @@
 // Implements the cCompoGenBiomal class representing the biome-aware composition generator
 
 #include "Globals.h"
+
+#include "CompoGenBiomal.h"
+
 #include "ComposableGenerator.h"
 #include "../IniFile.h"
 #include "../Noise/Noise.h"
@@ -192,7 +195,7 @@ public:
 	
 protected:
 	/** The block height at which water is generated instead of air. */
-	int m_SeaLevel;
+	HEIGHTTYPE m_SeaLevel;
 
 	/** The pattern used for mesa biomes. Initialized by seed on generator creation. */
 	cPattern::BlockInfo m_MesaPattern[2 * cChunkDef::Height];
@@ -221,7 +224,7 @@ protected:
 
 	virtual void InitializeCompoGen(cIniFile & a_IniFile) override
 	{
-		m_SeaLevel = a_IniFile.GetValueSetI("Generator", "SeaLevel", m_SeaLevel);
+		m_SeaLevel = static_cast<HEIGHTTYPE>(a_IniFile.GetValueSetI("Generator", "SeaLevel", m_SeaLevel));
 	}
 	
 
@@ -231,7 +234,7 @@ protected:
 	{
 		// In a loop, choose whether to use one, two or three layers of stained clay, then choose a color and width for each layer
 		// Separate each group with another layer of hardened clay
-		cNoise patternNoise((unsigned)a_Seed);
+		cNoise patternNoise(a_Seed);
 		static NIBBLETYPE allowedColors[] =
 		{
 			E_META_STAINED_CLAY_YELLOW,
@@ -265,8 +268,8 @@ protected:
 			rnd /= 2;
 			for (int lay = 0; lay < numLayers; lay++)
 			{
-				int numBlocks = layerSizes[(rnd % ARRAYCOUNT(layerSizes))];
-				NIBBLETYPE Color = allowedColors[(rnd / 4) % ARRAYCOUNT(allowedColors)];
+				int numBlocks = layerSizes[(static_cast<size_t>(rnd) % ARRAYCOUNT(layerSizes))];
+				NIBBLETYPE Color = allowedColors[static_cast<size_t>(rnd / 4) % ARRAYCOUNT(allowedColors)];
 				if (
 					((numBlocks == 3) && (numLayers == 2)) ||  // In two-layer mode disallow the 3-high layers:
 					(Color == E_META_STAINED_CLAY_WHITE))      // White stained clay can ever be only 1 block high
@@ -411,7 +414,12 @@ protected:
 				FillColumnPattern(a_ChunkDesc, a_RelX, a_RelZ, Pattern, a_ShapeColumn);
 				return;
 			}
-			default:
+			case biInvalidBiome:
+			case biHell:
+			case biSky:
+			case biNumBiomes:
+			case biVariant:
+			case biNumVariantBiomes:
 			{
 				ASSERT(!"Unhandled biome");
 				return;
@@ -427,7 +435,7 @@ protected:
 	{
 		bool HasHadWater = false;
 		int PatternIdx = 0;
-		int top = std::max(m_SeaLevel, a_ChunkDesc.GetHeight(a_RelX, a_RelZ));
+		HEIGHTTYPE top = std::max(m_SeaLevel, a_ChunkDesc.GetHeight(a_RelX, a_RelZ));
 		for (int y = top; y > 0; y--)
 		{
 			if (a_ShapeColumn[y] > 0)
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index 6b7643ddb..f9a4d7609 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -221,11 +221,11 @@ void cComposableGenerator::InitBiomeGen(cIniFile & a_IniFile)
 	if (MultiCacheLength > 0)
 	{
 		LOGD("Enabling multicache for biomegen of length %d.", MultiCacheLength);
-		m_BiomeGen = cBiomeGenPtr(new cBioGenMulticache(m_BiomeGen, CacheSize, MultiCacheLength));
+		m_BiomeGen = cBiomeGenPtr(new cBioGenMulticache(m_BiomeGen, static_cast<size_t>(CacheSize), static_cast<size_t>(MultiCacheLength)));
 	}
 	else
 	{
-		m_BiomeGen = cBiomeGenPtr(new cBioGenCache(m_BiomeGen, CacheSize));
+		m_BiomeGen = cBiomeGenPtr(new cBioGenCache(m_BiomeGen, static_cast<size_t>(CacheSize)));
 	}
 }
 
diff --git a/src/Generating/DungeonRoomsFinisher.cpp b/src/Generating/DungeonRoomsFinisher.cpp
index c4bf8839e..c62da7492 100644
--- a/src/Generating/DungeonRoomsFinisher.cpp
+++ b/src/Generating/DungeonRoomsFinisher.cpp
@@ -194,7 +194,7 @@ protected:
 		{
 			return;
 		}
-		a_ChunkDesc.SetBlockTypeMeta(RelX, m_FloorHeight + 1, RelZ, E_BLOCK_CHEST, (NIBBLETYPE)a_Chest.y);
+		a_ChunkDesc.SetBlockTypeMeta(RelX, m_FloorHeight + 1, RelZ, E_BLOCK_CHEST, static_cast<NIBBLETYPE>(a_Chest.y));
 
 		// Fill the chest with random loot
 		static const cLootProbab LootProbab[] =
@@ -217,7 +217,7 @@ protected:
 			{ cItem(E_ITEM_NAME_TAG),            1,         1,        10 },
 		} ;
 
-		cChestEntity * ChestEntity = (cChestEntity *)a_ChunkDesc.GetBlockEntity(RelX, m_FloorHeight + 1, RelZ);
+		cChestEntity * ChestEntity = static_cast<cChestEntity *>(a_ChunkDesc.GetBlockEntity(RelX, m_FloorHeight + 1, RelZ));
 		ASSERT((ChestEntity != nullptr) && (ChestEntity->GetBlockType() == E_BLOCK_CHEST));
 		cNoise Noise(a_ChunkDesc.GetChunkX() ^ a_ChunkDesc.GetChunkZ());
 		int NumSlots = 3 + ((Noise.IntNoise3DInt(a_Chest.x, a_Chest.y, a_Chest.z) / 11) % 4);
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index e96d959f9..59af0fd63 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -69,7 +69,7 @@ void cFinishGenNetherClumpFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
 		}
 
 		// Choose what block to use.
-		NOISE_DATATYPE BlockType = m_Noise.IntNoise3D((int) ChunkX, y, (int) ChunkZ);
+		NOISE_DATATYPE BlockType = m_Noise.IntNoise3D(static_cast<int>(ChunkX), y, static_cast<int>(ChunkZ));
 		if (BlockType < -0.7)
 		{
 			TryPlaceClump(a_ChunkDesc, PosX, y, PosZ, E_BLOCK_BROWN_MUSHROOM);
@@ -260,13 +260,13 @@ void cFinishGenGlowStone::TryPlaceGlowstone(cChunkDesc & a_ChunkDesc, int a_RelX
 
 		for (int j = 0; j < a_Size; j++)
 		{
-			Vector3i Direction = AvailableDirections[m_Noise.IntNoise3DInt(CurrentPos.x, CurrentPos.y * i, CurrentPos.z) % ARRAYCOUNT(AvailableDirections)];
+			Vector3i Direction = AvailableDirections[static_cast<size_t>(m_Noise.IntNoise3DInt(CurrentPos.x, CurrentPos.y * i, CurrentPos.z)) % ARRAYCOUNT(AvailableDirections)];
 			int Attempts = 2;  // multiply by 1 would make no difference, so multiply by 2 instead
 
 			while (Direction.Equals(PreviousDirection))
 			{
 				// To make the glowstone branches look better we want to make the direction change every time.
-				Direction = AvailableDirections[m_Noise.IntNoise3DInt(CurrentPos.x, CurrentPos.y * i * Attempts, CurrentPos.z) % ARRAYCOUNT(AvailableDirections)];
+				Direction = AvailableDirections[static_cast<size_t>(m_Noise.IntNoise3DInt(CurrentPos.x, CurrentPos.y * i * Attempts, CurrentPos.z)) % ARRAYCOUNT(AvailableDirections)];
 				Attempts++;
 			}
 
@@ -438,7 +438,7 @@ void cFinishGenVines::GenFinish(cChunkDesc & a_ChunkDesc)
 					continue;
 				}
 
-				NIBBLETYPE Meta = Places[m_Noise.IntNoise3DInt(xx, y, zz) % Places.size()];
+				NIBBLETYPE Meta = Places[static_cast<size_t>(m_Noise.IntNoise3DInt(xx, y, zz)) % Places.size()];
 				a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_VINES, Meta);
 			}
 		}
@@ -507,7 +507,7 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
 	for (int z = 0; z < cChunkDef::Width; z++)
 	{
 		int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width + z;
-		const float zz = (float)BlockZ;
+		const float zz = static_cast<float>(BlockZ);
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
 			int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width + x;
@@ -515,7 +515,7 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
 			{
 				continue;
 			}
-			int Top = a_ChunkDesc.GetHeight(x, z);
+			HEIGHTTYPE Top = a_ChunkDesc.GetHeight(x, z);
 			if (Top > 250)
 			{
 				// Nothing grows above Y=250
@@ -528,7 +528,7 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
 				continue;
 			}
 
-			const float xx = (float)BlockX;
+			const float xx = static_cast<float>(BlockX);
 			float val1 = m_Noise.CubicNoise2D(xx * 0.1f,  zz * 0.1f);
 			float val2 = m_Noise.CubicNoise2D(xx * 0.01f, zz * 0.01f);
 			switch (a_ChunkDesc.GetBlockType(x, Top, z))
@@ -563,7 +563,7 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
 					}
 					else if ((val1 > 0.5) && (val2 < -0.5))
 					{
-						a_ChunkDesc.SetBlockTypeMeta(x, ++Top, z, E_BLOCK_PUMPKIN, (int)(val3 * 8) % 4);
+						a_ChunkDesc.SetBlockTypeMeta(x, ++Top, z, E_BLOCK_PUMPKIN, static_cast<int>(val3 * 8) % 4);
 					}
 					break;
 				}  // case E_BLOCK_GRASS
@@ -650,9 +650,9 @@ void cFinishGenSoulsandRims::GenFinish(cChunkDesc & a_ChunkDesc)
 					continue;
 				}
 
-				NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(xx)) / 32;
-				NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)(zz)) / 32;
-				NOISE_DATATYPE CompBlock = m_Noise.CubicNoise3D(NoiseX, (float) (y) / 4, NoiseY);
+				NOISE_DATATYPE NoiseX = (static_cast<NOISE_DATATYPE>(xx)) / 32;
+				NOISE_DATATYPE NoiseY = (static_cast<NOISE_DATATYPE>(zz)) / 32;
+				NOISE_DATATYPE CompBlock = m_Noise.CubicNoise3D(NoiseX, static_cast<float>(y) / 4, NoiseY);
 				if (CompBlock < 0)
 				{
 					a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_SOULSAND);
@@ -676,7 +676,7 @@ void cFinishGenSnow::GenFinish(cChunkDesc & a_ChunkDesc)
 	{
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
-			int Height = a_ChunkDesc.GetHeight(x, z);
+			HEIGHTTYPE Height = a_ChunkDesc.GetHeight(x, z);
 			if (GetSnowStartHeight(a_ChunkDesc.GetBiome(x, z)) > Height)
 			{
 				// Height isn't high enough for snow to start forming.
@@ -775,7 +775,7 @@ void cFinishGenSingleTopBlock::GenFinish(cChunkDesc & a_ChunkDesc)
 			continue;
 		}
 
-		int Height = a_ChunkDesc.GetHeight(x, z);
+		HEIGHTTYPE Height = a_ChunkDesc.GetHeight(x, z);
 		if (Height >= cChunkDef::Height - 1)
 		{
 			// Too high up
@@ -918,7 +918,7 @@ void cFinishGenPreSimulator::CollapseSandGravel(
 					}
 				}  // switch (GetBlock)
 			}  // for y
-			cChunkDef::SetHeight(a_HeightMap, x, z, HeightY);
+			cChunkDef::SetHeight(a_HeightMap, x, z, static_cast<HEIGHTTYPE>(HeightY));
 		}  // for x
 	}  // for z
 }
@@ -1259,7 +1259,7 @@ bool cFinishGenPassiveMobs::TrySpawnAnimals(cChunkDesc & a_ChunkDesc, int a_RelX
 	}
 	if (
 		(BlockUnderFeet != E_BLOCK_GRASS) &&
-		((AnimalToSpawn == mtRabbit) || (AnimalToSpawn == mtCow) || (AnimalToSpawn == mtSheep) || (AnimalToSpawn == mtChicken) || (AnimalToSpawn == mtPig))
+		((AnimalToSpawn == mtWolf) || (AnimalToSpawn == mtRabbit) || (AnimalToSpawn == mtCow) || (AnimalToSpawn == mtSheep) || (AnimalToSpawn == mtChicken) || (AnimalToSpawn == mtPig))
 	)
 	{
 		return false;
@@ -1375,8 +1375,12 @@ eMonsterType cFinishGenPassiveMobs::GetRandomMob(cChunkDesc & a_ChunkDesc)
 		return mtInvalidType;
 	}
 
-	int RandMob = (m_Noise.IntNoise2DInt(chunkX - chunkZ + 2, chunkX + 5) / 7) % ListOfSpawnables.size();
 	auto MobIter = ListOfSpawnables.begin();
+	using diff_type =
+		std::iterator_traits<decltype(MobIter)>::difference_type;
+	diff_type RandMob = static_cast<diff_type>
+		(static_cast<size_t>(m_Noise.IntNoise2DInt(chunkX - chunkZ + 2, chunkX + 5) / 7)
+		% ListOfSpawnables.size());
 	std::advance(MobIter, RandMob);
 
 	return *MobIter;
diff --git a/src/Generating/GridStructGen.cpp b/src/Generating/GridStructGen.cpp
index 3c08c1a39..5adc60c4f 100644
--- a/src/Generating/GridStructGen.cpp
+++ b/src/Generating/GridStructGen.cpp
@@ -64,13 +64,13 @@ cGridStructGen::cGridStructGen(
 		LOG("Grid Size cannot be zero, setting to 1");
 		m_GridSizeZ = 1;
 	}
-	size_t NumStructuresPerQuery = (size_t)(((m_MaxStructureSizeX + m_MaxOffsetX) / m_GridSizeX + 1) * ((m_MaxStructureSizeZ + m_MaxOffsetZ) / m_GridSizeZ + 1));
+	size_t NumStructuresPerQuery = static_cast<size_t>(((m_MaxStructureSizeX + m_MaxOffsetX) / m_GridSizeX + 1) * ((m_MaxStructureSizeZ + m_MaxOffsetZ) / m_GridSizeZ + 1));
 	if (NumStructuresPerQuery > m_MaxCacheSize)
 	{
 		m_MaxCacheSize = NumStructuresPerQuery * 4;
 		LOGINFO(
 			"cGridStructGen: The cache size is too small (%u), increasing the cache size to %u to avoid inefficiency.",
-			(unsigned)a_MaxCacheSize, (unsigned)m_MaxCacheSize
+			static_cast<unsigned>(a_MaxCacheSize), static_cast<unsigned>(m_MaxCacheSize)
 		);
 	}
 }
diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp
index e34ffc57c..aa1c1893b 100644
--- a/src/Generating/HeiGen.cpp
+++ b/src/Generating/HeiGen.cpp
@@ -58,7 +58,7 @@ public:
 	virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override
 	{
 		int heights[cChunkDef::Width * cChunkDef::Width];
-		m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, cChunkDef::Width, cChunkDef::Width, heights);
+		m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, static_cast<size_t>(cChunkDef::Width), static_cast<size_t>(cChunkDef::Width), heights);
 		for (size_t i = 0; i < ARRAYCOUNT(heights); i++)
 		{
 			a_HeightMap[i] = static_cast<HEIGHTTYPE>(std::max(std::min(60 + heights[i], cChunkDef::Height - 60), 40));
@@ -92,7 +92,7 @@ void cHeiGenFlat::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap
 
 void cHeiGenFlat::InitializeHeightGen(cIniFile & a_IniFile)
 {
-	m_Height = a_IniFile.GetValueSetI("Generator", "FlatHeight", m_Height);
+	m_Height = static_cast<HEIGHTTYPE>(a_IniFile.GetValueSetI("Generator", "FlatHeight", m_Height));
 }
 
 
@@ -300,15 +300,7 @@ void cHeiGenClassic::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightM
 		{
 			const float xx = (float)(a_ChunkX * cChunkDef::Width + x);
 			
-			int hei = 64 + (int)(GetNoise(xx * 0.05f, zz * 0.05f) * 16);
-			if (hei < 10)
-			{
-				hei = 10;
-			}
-			if (hei > 250)
-			{
-				hei = 250;
-			}
+			HEIGHTTYPE hei = static_cast<HEIGHTTYPE>(Clamp(static_cast<int>(64 + (GetNoise(xx * 0.05f, zz * 0.05f) * 16)), 10, 250));
 			cChunkDef::SetHeight(a_HeightMap, x, z, hei);
 		}  // for x
 	}  // for z
@@ -366,15 +358,7 @@ void cHeiGenMountains::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Heigh
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
 			int idx = IdxZ + x;
-			int hei = 100 - (int)((MountainNoise[idx] - DitchNoise[idx] + PerlinNoise[idx]) * 15);
-			if (hei < 10)
-			{
-				hei = 10;
-			}
-			if (hei > 250)
-			{
-				hei = 250;
-			}
+			HEIGHTTYPE hei = static_cast<HEIGHTTYPE>(Clamp(100 - static_cast<int>((MountainNoise[idx] - DitchNoise[idx] + PerlinNoise[idx]) * 15), 10, 250));
 			cChunkDef::SetHeight(a_HeightMap, x, z, hei);
 		}  // for x
 	}  // for z
@@ -536,7 +520,7 @@ void cHeiGenBiomal::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMa
 	{
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
-			cChunkDef::SetHeight(a_HeightMap, x, z, (int)Height[x + 17 * z]);
+			cChunkDef::SetHeight(a_HeightMap, x, z, static_cast<HEIGHTTYPE>(Height[x + 17 * z]));
 		}
 	}
 	//*/
@@ -817,7 +801,10 @@ protected:
 			case biTaiga:                a_Min = 63; a_Max = 75; break;
 			case biTaigaHills:           a_Min = 63; a_Max = 90; break;
 			case biTaigaM:               a_Min = 63; a_Max = 80; break;
-			default:
+			case biInvalidBiome:
+			case biNumBiomes:
+			case biVariant:
+			case biNumVariantBiomes:
 			{
 				ASSERT(!"Unknown biome");
 				a_Min = 10;
diff --git a/src/Generating/HeiGen.h b/src/Generating/HeiGen.h
index 62bb227c6..e2998bfb8 100644
--- a/src/Generating/HeiGen.h
+++ b/src/Generating/HeiGen.h
@@ -103,7 +103,7 @@ public:
 	
 protected:
 
-	int m_Height;
+	HEIGHTTYPE m_Height;
 
 	// cTerrainHeightGen overrides:
 	virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override;
diff --git a/src/Generating/MineShafts.cpp b/src/Generating/MineShafts.cpp
index 65588ce4b..4ba896ef6 100644
--- a/src/Generating/MineShafts.cpp
+++ b/src/Generating/MineShafts.cpp
@@ -542,7 +542,7 @@ cMineShaft * cMineShaftCorridor::CreateAndFit(
 {
 	cCuboid BoundingBox(a_PivotX, a_PivotY - 1, a_PivotZ);
 	BoundingBox.p2.y += 3;
-	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + (int)a_ParentSystem.m_MineShafts.size(), a_PivotZ) / 7;
+	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + static_cast<int>(a_ParentSystem.m_MineShafts.size()), a_PivotZ) / 7;
 	int NumSegments = 2 + (rnd) % (MAX_SEGMENTS - 1);  // 2 .. MAX_SEGMENTS
 	switch (a_Direction)
 	{
@@ -564,14 +564,14 @@ cMineShaft * cMineShaftCorridor::CreateAndFit(
 
 void cMineShaftCorridor::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
 {
-	int rnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 7;
+	int Outerrnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 7;
 	// Prefer the same height, but allow for up to one block height displacement:
-	int Height = m_BoundingBox.p1.y + ((rnd % 4) + ((rnd >> 3) % 3)) / 2;
+	int OuterHeight = m_BoundingBox.p1.y + ((Outerrnd % 4) + ((Outerrnd >> 3) % 3)) / 2;
 	switch (m_Direction)
 	{
 		case dirXM:
 		{
-			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x - 1, Height, m_BoundingBox.p1.z + 1, dirXM, a_Noise, a_RecursionLevel);
+			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x - 1, OuterHeight, m_BoundingBox.p1.z + 1, dirXM, a_Noise, a_RecursionLevel);
 			for (int i = m_NumSegments; i >= 0; i--)
 			{
 				int rnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x + i + 10, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 11;
@@ -586,7 +586,7 @@ void cMineShaftCorridor::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
 
 		case dirXP:
 		{
-			m_ParentSystem.AppendBranch(m_BoundingBox.p2.x + 1, Height, m_BoundingBox.p1.z + 1, dirXP, a_Noise, a_RecursionLevel);
+			m_ParentSystem.AppendBranch(m_BoundingBox.p2.x + 1, OuterHeight, m_BoundingBox.p1.z + 1, dirXP, a_Noise, a_RecursionLevel);
 			for (int i = m_NumSegments; i >= 0; i--)
 			{
 				int rnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x + i + 10, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 11;
@@ -601,7 +601,7 @@ void cMineShaftCorridor::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
 
 		case dirZM:
 		{
-			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x + 1, Height, m_BoundingBox.p1.z - 1, dirZM, a_Noise, a_RecursionLevel);
+			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x + 1, OuterHeight, m_BoundingBox.p1.z - 1, dirZM, a_Noise, a_RecursionLevel);
 			for (int i = m_NumSegments; i >= 0; i--)
 			{
 				int rnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x + i + 10, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 11;
@@ -616,7 +616,7 @@ void cMineShaftCorridor::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
 
 		case dirZP:
 		{
-			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x + 1, Height, m_BoundingBox.p2.z + 1, dirZP, a_Noise, a_RecursionLevel);
+			m_ParentSystem.AppendBranch(m_BoundingBox.p1.x + 1, OuterHeight, m_BoundingBox.p2.z + 1, dirZP, a_Noise, a_RecursionLevel);
 			for (int i = m_NumSegments; i >= 0; i--)
 			{
 				int rnd = a_Noise.IntNoise3DInt(m_BoundingBox.p1.x + i + 10, m_BoundingBox.p1.y + a_RecursionLevel, m_BoundingBox.p1.z) / 11;
@@ -781,13 +781,19 @@ void cMineShaftCorridor::PlaceChest(cChunkDesc & a_ChunkDesc)
 
 		case dirZM:
 		case dirZP:
-		default:
 		{
 			x = m_BoundingBox.p1.x - BlockX;
 			z = m_BoundingBox.p1.z + m_ChestPosition - BlockZ;
 			Meta = E_META_CHEST_FACING_XP;
 			break;
 		}
+		#if !defined(__clang__)
+		default:
+		{
+			ASSERT(!"Unknown direction");
+			return;
+		}
+		#endif
 	}  // switch (Dir)
 
 	if (
@@ -796,7 +802,7 @@ void cMineShaftCorridor::PlaceChest(cChunkDesc & a_ChunkDesc)
 	)
 	{
 		a_ChunkDesc.SetBlockTypeMeta(x, m_BoundingBox.p1.y + 1, z, E_BLOCK_CHEST, Meta);
-		cChestEntity * ChestEntity = (cChestEntity *)a_ChunkDesc.GetBlockEntity(x, m_BoundingBox.p1.y + 1, z);
+		cChestEntity * ChestEntity = static_cast<cChestEntity *>(a_ChunkDesc.GetBlockEntity(x, m_BoundingBox.p1.y + 1, z));
 		ASSERT((ChestEntity != nullptr) && (ChestEntity->GetBlockType() == E_BLOCK_CHEST));
 		cNoise Noise(a_ChunkDesc.GetChunkX() ^ a_ChunkDesc.GetChunkZ());
 		int NumSlots = 3 + ((Noise.IntNoise3DInt(x, m_BoundingBox.p1.y, z) / 11) % 4);
@@ -986,7 +992,7 @@ cMineShaft * cMineShaftCrossing::CreateAndFit(
 )
 {
 	cCuboid BoundingBox(a_PivotX, a_PivotY - 1, a_PivotZ);
-	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + (int)a_ParentSystem.m_MineShafts.size(), a_PivotZ) / 7;
+	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + static_cast<int>(a_ParentSystem.m_MineShafts.size()), a_PivotZ) / 7;
 	BoundingBox.p2.y += 3;
 	if ((rnd % 4) < 2)
 	{
@@ -1127,7 +1133,7 @@ cMineShaft * cMineShaftStaircase::CreateAndFit(
 	cNoise & a_Noise
 )
 {
-	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + (int)a_ParentSystem.m_MineShafts.size(), a_PivotZ) / 7;
+	int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + static_cast<int>(a_ParentSystem.m_MineShafts.size()), a_PivotZ) / 7;
 	cCuboid Box;
 	switch (a_Direction)
 	{
diff --git a/src/Generating/NetherFortGen.cpp b/src/Generating/NetherFortGen.cpp
index f35555efd..d29ab8cd1 100644
--- a/src/Generating/NetherFortGen.cpp
+++ b/src/Generating/NetherFortGen.cpp
@@ -36,7 +36,7 @@ public:
 		int BlockY = 64;
 		
 		// Generate pieces:
-		for (int i = 0; m_Pieces.size() < (size_t)(a_MaxDepth * a_MaxDepth / 8 + a_MaxDepth); i++)
+		for (int i = 0; m_Pieces.size() < static_cast<size_t>(a_MaxDepth * a_MaxDepth / 8 + a_MaxDepth); i++)
 		{
 			cBFSPieceGenerator pg(cNetherFortGen::m_PiecePool, a_Seed + i);
 			pg.PlacePieces(a_OriginX, BlockY, a_OriginZ, a_MaxDepth, m_Pieces);
@@ -55,7 +55,7 @@ public:
 	{
 		for (cPlacedPieces::const_iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
 		{
-			const cPrefab & Prefab = (const cPrefab &)((*itr)->GetPiece());
+			const cPrefab & Prefab = static_cast<const cPrefab &>((*itr)->GetPiece());
 			Prefab.Draw(a_Chunk, *itr);
 		}  // for itr - m_PlacedPieces[]
 	}
diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp
index 63e88c2a8..8163746f8 100644
--- a/src/Generating/Noise3DGenerator.cpp
+++ b/src/Generating/Noise3DGenerator.cpp
@@ -305,7 +305,7 @@ void cNoise3DGenerator::UpdateHeightmap(cChunkDesc & a_ChunkDesc)
 	{
 		for (int x = 0; x < cChunkDef::Width; x++)
 		{
-			for (int y = cChunkDef::Height - 1; y > 0; y--)
+			for (HEIGHTTYPE y = cChunkDef::Height - 1; y > 0; y--)
 			{
 				if (a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR)
 				{
@@ -790,7 +790,10 @@ void cBiomalNoise3DComposable::GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE
 		case biTaiga:                a_HeightAmp = 0.1f;   a_MidPoint =  64; break;
 		case biTaigaM:               a_HeightAmp = 0.1f;   a_MidPoint =  70; break;
 		case biTaigaHills:           a_HeightAmp = 0.075f; a_MidPoint =  68; break;
-		default:
+		case biInvalidBiome:
+		case biNumBiomes:
+		case biVariant:
+		case biNumVariantBiomes:
 		{
 			// Make a crazy terrain so that it stands out
 			a_HeightAmp = 0.001f;
diff --git a/src/Generating/POCPieceGenerator.cpp b/src/Generating/POCPieceGenerator.cpp
index 6e7e74d7a..834e3887f 100644
--- a/src/Generating/POCPieceGenerator.cpp
+++ b/src/Generating/POCPieceGenerator.cpp
@@ -32,7 +32,7 @@ public:
 	
 	
 	/** Imprints the piece in the specified chunk. Assumes they intersect. */
-	void ImprintInChunk(cChunkDesc & a_ChunkDesc, const Vector3i & a_Pos, int a_NumCCWRotations)
+	void ImprintInChunk(cChunkDesc & a_ChunkDesc, const Vector3i & a_Pos, int a_NumCCWRotations) const
 	{
 		int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width;
 		int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
@@ -227,7 +227,7 @@ void cPOCPieceGenerator::GenFinish(cChunkDesc & a_ChunkDesc)
 			continue;
 		}
 			
-		((cPOCPiece &)(*itr)->GetPiece()).ImprintInChunk(a_ChunkDesc, Pos, (*itr)->GetNumCCWRotations());
+		(static_cast<const cPOCPiece &>((*itr)->GetPiece())).ImprintInChunk(a_ChunkDesc, Pos, (*itr)->GetNumCCWRotations());
 	}  // for itr - m_Pieces[]
 	a_ChunkDesc.UpdateHeightmap();
 }
diff --git a/src/Generating/PieceGenerator.cpp b/src/Generating/PieceGenerator.cpp
index 97aa646fc..14a9da39d 100644
--- a/src/Generating/PieceGenerator.cpp
+++ b/src/Generating/PieceGenerator.cpp
@@ -385,7 +385,7 @@ cPlacedPiece * cPieceGenerator::PlaceStartingPiece(int a_BlockX, int a_BlockY, i
 	else
 	{
 		// All pieces returned zero weight, but we need one to start. Choose with equal chance:
-		StartingPiece = StartingPieces[rnd % StartingPieces.size()];
+		StartingPiece = StartingPieces[static_cast<size_t>(rnd) % StartingPieces.size()];
 	}
 	rnd = rnd >> 16;
 	
@@ -394,9 +394,9 @@ cPlacedPiece * cPieceGenerator::PlaceStartingPiece(int a_BlockX, int a_BlockY, i
 	int NumRotations = 1;
 	for (size_t i = 1; i < ARRAYCOUNT(Rotations); i++)
 	{
-		if (StartingPiece->CanRotateCCW((int)i))
+		if (StartingPiece->CanRotateCCW(static_cast<int>(i)))
 		{
-			Rotations[NumRotations] = (int)i;
+			Rotations[NumRotations] = static_cast<int>(i);
 			NumRotations += 1;
 		}
 	}
@@ -561,7 +561,10 @@ void cPieceGenerator::DebugConnectorPool(const cPieceGenerator::cFreeConnectors
 {
 	printf("  Connector pool: " SIZE_T_FMT " items\n", a_ConnectorPool.size() - a_NumProcessed);
 	size_t idx = 0;
-	for (cPieceGenerator::cFreeConnectors::const_iterator itr = a_ConnectorPool.begin() + a_NumProcessed, end = a_ConnectorPool.end(); itr != end; ++itr, ++idx)
+
+	typedef cPieceGenerator::cFreeConnectors::difference_type difType;
+
+	for (auto itr = a_ConnectorPool.cbegin() + static_cast<difType>(a_NumProcessed), end = a_ConnectorPool.cend(); itr != end; ++itr, ++idx)
 	{
 		printf("    " SIZE_T_FMT ": {%d, %d, %d}, type %d, direction %s, depth %d\n",
 			idx,
@@ -672,7 +675,10 @@ void cBFSPieceGenerator::PlacePieces(int a_BlockX, int a_BlockY, int a_BlockZ, i
 		NumProcessed++;
 		if (NumProcessed > 1000)
 		{
-			ConnectorPool.erase(ConnectorPool.begin(), ConnectorPool.begin() + NumProcessed);
+
+			typedef cPieceGenerator::cFreeConnectors::difference_type difType;
+
+			ConnectorPool.erase(ConnectorPool.begin(), ConnectorPool.begin() + static_cast<difType>(NumProcessed));
 			NumProcessed = 0;
 		}
 	}
diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp
index 761986690..1de0346bd 100644
--- a/src/Generating/Prefab.cpp
+++ b/src/Generating/Prefab.cpp
@@ -348,13 +348,13 @@ void cPrefab::ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef)
 			LOGWARNING("Bad prefab CharMap definition line: \"%s\", skipping.", itr->c_str());
 			continue;
 		}
-		unsigned char Src = (unsigned char)CharDef[0][0];
+		unsigned char Src = static_cast<unsigned char>(CharDef[0][0]);
 		ASSERT(a_CharMapOut[Src].m_BlockMeta == 16);  // This letter has not been assigned yet?
-		a_CharMapOut[Src].m_BlockType = (BLOCKTYPE)atoi(CharDef[1].c_str());
+		a_CharMapOut[Src].m_BlockType = static_cast<BLOCKTYPE>(atoi(CharDef[1].c_str()));
 		NIBBLETYPE BlockMeta = 0;
 		if ((NumElements >= 3) && !CharDef[2].empty())
 		{
-			BlockMeta = (NIBBLETYPE)atoi(CharDef[2].c_str());
+			BlockMeta = static_cast<NIBBLETYPE>(atoi(CharDef[2].c_str()));
 			ASSERT((BlockMeta <= 15));
 		}
 		a_CharMapOut[Src].m_BlockMeta = BlockMeta;
@@ -372,7 +372,7 @@ void cPrefab::ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockIma
 	{
 		for (int z = 0; z < m_Size.z; z++)
 		{
-			const unsigned char * BlockImage = (const unsigned char *)a_BlockImage + y * m_Size.x * m_Size.z + z * m_Size.x;
+			const unsigned char * BlockImage = reinterpret_cast<const unsigned char *>(a_BlockImage + y * m_Size.x * m_Size.z + z * m_Size.x);
 			for (int x = 0; x < m_Size.x; x++)
 			{
 				const sBlockTypeDef & MappedValue = a_CharMap[BlockImage[x]];
@@ -424,7 +424,7 @@ void cPrefab::ParseConnectors(const char * a_ConnectorsDef)
 		m_Connectors.push_back(cPiece::cConnector(
 			atoi(Coords[0].c_str()), atoi(Coords[1].c_str()), atoi(Coords[2].c_str()),  // Connector pos
 			atoi(Defs[0].c_str()),  // Connector type
-			(eBlockFace)BlockFace
+			static_cast<eBlockFace>(BlockFace)
 		));
 	}  // for itr - Lines[]
 }
diff --git a/src/Generating/PrefabPiecePool.cpp b/src/Generating/PrefabPiecePool.cpp
index 895555ef8..e4df8efa8 100644
--- a/src/Generating/PrefabPiecePool.cpp
+++ b/src/Generating/PrefabPiecePool.cpp
@@ -85,7 +85,7 @@ void cPrefabPiecePool::AddStartingPieceDefs(const cPrefab::sDef * a_StartingPiec
 
 void cPrefabPiecePool::AddToPerConnectorMap(cPrefab * a_Prefab)
 {
-	cPiece::cConnectors Connectors = ((const cPiece *)a_Prefab)->GetConnectors();
+	cPiece::cConnectors Connectors = (static_cast<const cPiece *>(a_Prefab))->GetConnectors();
 	for (cPiece::cConnectors::const_iterator itr = Connectors.begin(), end = Connectors.end(); itr != end; ++itr)
 	{
 		m_PiecesByConnector[itr->m_Type].push_back(a_Prefab);
@@ -122,7 +122,7 @@ cPieces cPrefabPiecePool::GetStartingPieces(void)
 
 int cPrefabPiecePool::GetPieceWeight(const cPlacedPiece & a_PlacedPiece, const cPiece::cConnector & a_ExistingConnector, const cPiece & a_NewPiece)
 {
-	return ((const cPrefab &)a_NewPiece).GetPieceWeight(a_PlacedPiece, a_ExistingConnector);
+	return (static_cast<const cPrefab &>(a_NewPiece)).GetPieceWeight(a_PlacedPiece, a_ExistingConnector);
 }
 
 
@@ -131,7 +131,7 @@ int cPrefabPiecePool::GetPieceWeight(const cPlacedPiece & a_PlacedPiece, const c
 
 int cPrefabPiecePool::GetStartingPieceWeight(const cPiece & a_NewPiece)
 {
-	return ((const cPrefab &)a_NewPiece).GetDefaultWeight();
+	return (static_cast<const cPrefab &>(a_NewPiece)).GetDefaultWeight();
 }
 
 
diff --git a/src/Generating/ProtIntGen.h b/src/Generating/ProtIntGen.h
index 9e471e8bb..c0c7102d2 100644
--- a/src/Generating/ProtIntGen.h
+++ b/src/Generating/ProtIntGen.h
@@ -47,7 +47,7 @@ public:
 	virtual ~cProtIntGen() {}
 
 	/** Generates the array of specified size into a_Values, based on given min coords. */
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) = 0;
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) = 0;
 };
 
 
@@ -109,14 +109,14 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int BaseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int BaseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				a_Values[x + a_SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % m_Range;
+				a_Values[x + a_SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), BaseZ) / 7) % m_Range;
 			}
 		}  // for z
 	}
@@ -146,22 +146,22 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int BaseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int BaseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7);
+				int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), BaseZ) / 7);
 				a_Values[x + a_SizeX * z] = ((rnd % 100) < m_Threshold) ? ((rnd / 101) % bgLandOceanMax + 1) : 0;
 			}
 		}
 
 		// If the centerpoint of the world is within the area, set it to bgTemperate, always:
-		if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + a_SizeX > 0) && (a_MinZ + a_SizeZ > 0))
+		if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + static_cast<int>(a_SizeX) > 0) && (a_MinZ + static_cast<int>(a_SizeZ) > 0))
 		{
-			a_Values[-a_MinX - a_MinZ * a_SizeX] = bgTemperate;
+			a_Values[static_cast<size_t>(-a_MinX) - static_cast<size_t>(a_MinZ) * a_SizeX] = bgTemperate;
 		}
 	}
 
@@ -189,13 +189,13 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Get the coords for the lower generator:
 		int lowerMinX = a_MinX >> 1;
 		int lowerMinZ = a_MinZ >> 1;
-		int lowerSizeX = a_SizeX / 2 + 2;
-		int lowerSizeZ = a_SizeZ / 2 + 2;
+		size_t lowerSizeX = a_SizeX / 2 + 2;
+		size_t lowerSizeZ = a_SizeZ / 2 + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		ASSERT(lowerSizeX > 0);
 		ASSERT(lowerSizeZ > 0);
@@ -203,22 +203,22 @@ public:
 		// Generate the underlying data with half the resolution:
 		int lowerData[m_BufferSize];
 		m_UnderlyingGen->GetInts(lowerMinX, lowerMinZ, lowerSizeX, lowerSizeZ, lowerData);
-		const int lowStepX = (lowerSizeX - 1) * 2;
+		const size_t lowStepX = (lowerSizeX - 1) * 2;
 		int cache[m_BufferSize];
 
 		// Discreet-interpolate the values into twice the size:
-		for (int z = 0; z < lowerSizeZ - 1; ++z)
+		for (size_t z = 0; z < lowerSizeZ - 1; ++z)
 		{
-			int idx = (z * 2) * lowStepX;
+			size_t idx = (z * 2) * lowStepX;
 			int PrevZ0 = lowerData[z * lowerSizeX];
 			int PrevZ1 = lowerData[(z + 1) * lowerSizeX];
 
-			for (int x = 0; x < lowerSizeX - 1; ++x)
+			for (size_t x = 0; x < lowerSizeX - 1; ++x)
 			{
 				int ValX1Z0 = lowerData[x + 1 + z * lowerSizeX];
 				int ValX1Z1 = lowerData[x + 1 + (z + 1) * lowerSizeX];
-				int RndX = (x + lowerMinX) * 2;
-				int RndZ = (z + lowerMinZ) * 2;
+				int RndX = (static_cast<int>(x) + lowerMinX) * 2;
+				int RndZ = (static_cast<int>(z) + lowerMinZ) * 2;
 				cache[idx] = PrevZ0;
 				cache[idx + lowStepX] = super::chooseRandomOne(RndX, RndZ + 1, PrevZ0, PrevZ1);
 				cache[idx + 1]        = super::chooseRandomOne(RndX, RndZ - 1, PrevZ0, ValX1Z0);
@@ -230,7 +230,7 @@ public:
 		}
 
 		// Copy from Cache into a_Values; take into account the even / odd offsets in a_Min:
-		for (int z = 0; z < a_SizeZ; ++z)
+		for (size_t z = 0; z < a_SizeZ; ++z)
 		{
 			memcpy(a_Values + z * a_SizeX, cache + (z + (a_MinZ & 1)) * lowStepX + (a_MinX & 1), a_SizeX * sizeof(int));
 		}
@@ -259,21 +259,21 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Smooth - for each square check if the surroundings are the same, if so, expand them diagonally.
 		// Also get rid of single-pixel irregularities (A-B-A):
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int NoiseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int NoiseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int val   = lowerData[x + 1 + (z + 1) * lowerSizeX];
 				int above = lowerData[x + 1 +  z      * lowerSizeX];
@@ -283,7 +283,7 @@ public:
 
 				if ((left == right) && (above == below))
 				{
-					if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 2) == 0)
+					if (((super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), NoiseZ) / 7) % 2) == 0)
 					{
 						val = left;
 					}
@@ -331,21 +331,21 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 1;
-		int lowerSizeZ = a_SizeZ + 1;
+		size_t lowerSizeX = a_SizeX + 1;
+		size_t lowerSizeZ = a_SizeZ + 1;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX, a_MinZ, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Average - add all 4 "neighbors" and divide by 4:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idxLower = x + lowerSizeX * z;
+				size_t idxLower = x + lowerSizeX * z;
 				a_Values[x + a_SizeX * z] = (
 					lowerData[idxLower] + lowerData[idxLower + 1] +
 					lowerData[idxLower + lowerSizeX] + lowerData[idxLower + lowerSizeX + 1]
@@ -375,24 +375,24 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 4;
-		int lowerSizeZ = a_SizeZ + 4;
+		size_t lowerSizeX = a_SizeX + 4;
+		size_t lowerSizeZ = a_SizeZ + 4;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Calculate the weighted average of all 16 "neighbors":
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idxLower1 = x + lowerSizeX * z;
-				int idxLower2 = idxLower1 + lowerSizeX;
-				int idxLower3 = idxLower1 + 2 * lowerSizeX;
-				int idxLower4 = idxLower1 + 3 * lowerSizeX;
+				size_t idxLower1 = x + lowerSizeX * z;
+				size_t idxLower2 = idxLower1 + lowerSizeX;
+				size_t idxLower3 = idxLower1 + 2 * lowerSizeX;
+				size_t idxLower4 = idxLower1 + 3 * lowerSizeX;
 				a_Values[x + a_SizeX * z] = (
 					1 * lowerData[idxLower1] + 2 * lowerData[idxLower1 + 1] + 2 * lowerData[idxLower1 + 2] + 1 * lowerData[idxLower1 + 3] +
 					2 * lowerData[idxLower2] + 32 * lowerData[idxLower2 + 1] + 32 * lowerData[idxLower2 + 2] + 2 * lowerData[idxLower2 + 3] +
@@ -425,23 +425,23 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 3;
-		int lowerSizeZ = a_SizeZ + 3;
+		size_t lowerSizeX = a_SizeX + 3;
+		size_t lowerSizeZ = a_SizeZ + 3;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX, a_MinZ, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Calculate the weighted average the neighbors:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idxLower1 = x + lowerSizeX * z;
-				int idxLower2 = idxLower1 + lowerSizeX;
-				int idxLower3 = idxLower1 + 2 * lowerSizeX;
+				size_t idxLower1 = x + lowerSizeX * z;
+				size_t idxLower2 = idxLower1 + lowerSizeX;
+				size_t idxLower3 = idxLower1 + 2 * lowerSizeX;
 				a_Values[x + a_SizeX * z] = (
 					WeightDiagonal * lowerData[idxLower1] + WeightCardinal * lowerData[idxLower1 + 1] + WeightDiagonal * lowerData[idxLower1 + 2] +
 					WeightCardinal * lowerData[idxLower2] + WeightCenter   * lowerData[idxLower2 + 1] + WeightCardinal * lowerData[idxLower2 + 2] +
@@ -476,20 +476,20 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
 
 		// Replace random values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int BaseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int BaseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				if (((super::m_Noise.IntNoise2DInt(BaseZ, a_MinX + x) / 13) % 101) < m_ChancePct)
+				if (((super::m_Noise.IntNoise2DInt(BaseZ, a_MinX + static_cast<int>(x)) / 13) % 101) < m_ChancePct)
 				{
-					a_Values[x + a_SizeX * z] = m_Min + (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % m_Range;
+					a_Values[x + a_SizeX * z] = m_Min + (super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), BaseZ) / 7) % m_Range;
 				}
 			}  // for x
 		}  // for z
@@ -522,18 +522,18 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
 
 		// Add the random values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int NoiseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int NoiseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int noiseVal = ((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % m_Range) - m_HalfRange;
+				int noiseVal = ((super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), NoiseZ) / 7) % m_Range) - m_HalfRange;
 				a_Values[x + z * a_SizeX] += noiseVal;
 			}
 		}
@@ -564,23 +564,23 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Average random values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int NoiseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int NoiseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idxLower = x + 1 + lowerSizeX * (z + 1);
-				if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 100) > m_AvgChancePct)
+				size_t idxLower = x + 1 + lowerSizeX * (z + 1);
+				if (((super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), NoiseZ) / 7) % 100) > m_AvgChancePct)
 				{
 					// Average the 4 neighbors:
 					a_Values[x + z * a_SizeX] = (
@@ -621,28 +621,28 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerData[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData);
 
 		// Average random values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int NoiseZ = a_MinZ + z;
-			for (int x = 0; x < a_SizeX; x++)
+			int NoiseZ = a_MinZ + static_cast<int>(z);
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idxLower = x + 1 + lowerSizeX * (z + 1);
-				if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 100) > m_AvgChancePct)
+				size_t idxLower = x + 1 + lowerSizeX * (z + 1);
+				if (((super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), NoiseZ) / 7) % 100) > m_AvgChancePct)
 				{
 					// Chose a value in between the min and max neighbor:
 					int min = std::min(std::min(lowerData[idxLower - 1], lowerData[idxLower + 1]), std::min(lowerData[idxLower - lowerSizeX], lowerData[idxLower + lowerSizeX]));
 					int max = std::max(std::max(lowerData[idxLower - 1], lowerData[idxLower + 1]), std::max(lowerData[idxLower - lowerSizeX], lowerData[idxLower + lowerSizeX]));
-					a_Values[x + z * a_SizeX] = min + ((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ + 10) / 7) % (max - min + 1));
+					a_Values[x + z * a_SizeX] = min + ((super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), NoiseZ + 10) / 7) % (max - min + 1));
 				}
 				else
 				{
@@ -675,7 +675,7 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Map for biome -> its beach:
 		static const int ToBeach[] =
@@ -723,16 +723,16 @@ public:
 		};
 
 		// Generate the underlying values:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerValues[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
 
 		// Add beaches between ocean and biomes:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int val   = lowerValues[x + 1 + (z + 1) * lowerSizeX];
 				int above = lowerValues[x + 1 + z       * lowerSizeX];
@@ -779,16 +779,16 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				if (a_Values[x + z * a_SizeX] == bgOcean)
 				{
-					int rnd = super::m_Noise.IntNoise2DInt(a_MinX + x, a_MinZ + z) / 7;
+					int rnd = super::m_Noise.IntNoise2DInt(a_MinX + static_cast<int>(x), a_MinZ + static_cast<int>(z)) / 7;
 					if (rnd % 1000 < m_Chance)
 					{
 						a_Values[x + z * a_SizeX] = (rnd / 1003) % bgLandOceanMax;
@@ -822,19 +822,19 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values)
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values)
 	{
 		// Generate the underlying biome groups:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerValues[m_BufferSize];
 		m_Underlying->GetInts(a_MinX, a_MinZ, lowerSizeX, lowerSizeZ, lowerValues);
 
 		// Change the biomes on incompatible edges into an edge biome:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int val   = lowerValues[x + 1 + (z + 1) * lowerSizeX];
 				int Above = lowerValues[x + 1 + z       * lowerSizeX];
@@ -920,7 +920,7 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Define the per-biome-group biomes:
 		static const int oceanBiomes[] =
@@ -998,16 +998,16 @@ public:
 
 		// Overwrite each biome group with a random biome from that group:
 		// Take care of the bgfRare flag
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int IdxZ = z * a_SizeX;
-			for (int x = 0; x < a_SizeX; x++)
+			size_t IdxZ = z * a_SizeX;
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int val = a_Values[x + IdxZ];
 				const cBiomesInGroups & Biomes = (val > bgfRare) ?
 					rareBiomesInGroups[(val & (bgfRare - 1)) % ARRAYCOUNT(rareBiomesInGroups)] :
-					biomesInGroups[val % ARRAYCOUNT(biomesInGroups)];
-				int rnd = (super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7);
+					biomesInGroups[static_cast<size_t>(val) % ARRAYCOUNT(biomesInGroups)];
+				int rnd = (super::m_Noise.IntNoise2DInt(static_cast<int>(x) + a_MinX, static_cast<int>(z) + a_MinZ) / 7);
 				a_Values[x + IdxZ] = Biomes.Biomes[rnd % Biomes.Count];
 			}
 		}
@@ -1050,21 +1050,21 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying values:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
 
 		// Replace some of the values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int idxZ = z * a_SizeX;
-			for (int x = 0; x < a_SizeX; x++)
+			size_t idxZ = z * a_SizeX;
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idx = x + idxZ;
+				size_t idx = x + idxZ;
 				if (a_Values[idx] == m_From)
 				{
-					int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+					int rnd = super::m_Noise.IntNoise2DInt(static_cast<int>(x) + a_MinX, static_cast<int>(z) + a_MinZ) / 7;
 					if (rnd % 1000 < m_Chance)
 					{
 						a_Values[idx] = m_To;
@@ -1109,7 +1109,7 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying data:
 		ASSERT(a_SizeX * a_SizeZ <= m_BufferSize);
@@ -1118,12 +1118,12 @@ public:
 		m_Rivers->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, riverData);
 
 		// Mix the values:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			int idxZ = z * a_SizeX;
-			for (int x = 0; x < a_SizeX; x++)
+			size_t idxZ = z * a_SizeX;
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int idx = x + idxZ;
+				size_t idx = x + idxZ;
 				if (IsBiomeOcean(a_Values[idx]))
 				{
 					// Oceans are kept without any changes
@@ -1136,7 +1136,7 @@ public:
 				}
 
 				// There's a river, change the output to a river or a frozen river, based on the original biome:
-				if (IsBiomeVeryCold((EMCSBiome)a_Values[idx]))
+				if (IsBiomeVeryCold(static_cast<EMCSBiome>(a_Values[idx])))
 				{
 					a_Values[idx] = biFrozenRiver;
 				}
@@ -1173,19 +1173,19 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying data:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerValues[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
 
 		// Detect the edges:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int Above = lowerValues[x + 1 + z       * lowerSizeX];
 				int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
@@ -1231,19 +1231,19 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying data:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerValues[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
 
 		// Add the mushroom islands:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int val = lowerValues[x + 1 + (z + 1) * lowerSizeX];
 				if (!IsBiomeOcean(val))
@@ -1278,7 +1278,7 @@ public:
 				// If at least 3 ocean neighbors and the chance is right, change:
 				if (
 					(NumOceanNeighbors >= 3) &&
-					((super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7) % 1000 < m_Chance)
+					((super::m_Noise.IntNoise2DInt(static_cast<int>(x) + a_MinX, static_cast<int>(z) + a_MinZ) / 7) % 1000 < m_Chance)
 				)
 				{
 					a_Values[x + z * a_SizeX] = m_ToValue;
@@ -1321,17 +1321,17 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying data:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
 
 		// Change random pixels to bgOcean:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+				int rnd = super::m_Noise.IntNoise2DInt(static_cast<int>(x) + a_MinX, static_cast<int>(z) + a_MinZ) / 7;
 				if (rnd % 1000 < m_Chance)
 				{
 					a_Values[x + z * a_SizeX] = m_ToValue;
@@ -1370,20 +1370,20 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying data:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
 
 		// Change some of the biome groups into rare biome groups:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
-				int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+				int rnd = super::m_Noise.IntNoise2DInt(static_cast<int>(x) + a_MinX, static_cast<int>(z) + a_MinZ) / 7;
 				if (rnd % 1000 < m_Chance)
 				{
-					int idx = x + a_SizeX * z;
+					size_t idx = x + a_SizeX * z;
 					a_Values[idx] = a_Values[idx] | bgfRare;
 				}
 			}
@@ -1418,7 +1418,7 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the base biomes and the alterations:
 		m_BaseBiomes->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
@@ -1426,8 +1426,8 @@ public:
 		m_Alterations->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations);
 
 		// Change the biomes into their alternate versions:
-		int len = a_SizeX * a_SizeZ;
-		for (int idx = 0; idx < len; ++idx)
+		size_t len = a_SizeX * a_SizeZ;
+		for (size_t idx = 0; idx < len; ++idx)
 		{
 			if (alterations[idx] == 0)
 			{
@@ -1482,19 +1482,19 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying biomes:
-		int lowerSizeX = a_SizeX + 2;
-		int lowerSizeZ = a_SizeZ + 2;
+		size_t lowerSizeX = a_SizeX + 2;
+		size_t lowerSizeZ = a_SizeZ + 2;
 		ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
 		int lowerValues[m_BufferSize];
 		m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
 
 		// Convert incompatible edges into neutral biomes:
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				int biome = lowerValues[x + 1 + (z + 1) * lowerSizeX];
 				int above = lowerValues[x + 1 + z *       lowerSizeX];
@@ -1642,7 +1642,7 @@ public:
 	}
 
 
-	virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+	virtual void GetInts(int a_MinX, int a_MinZ, size_t a_SizeX, size_t a_SizeZ, int *a_Values) override
 	{
 		// Generate the underlying biomes and the alterations:
 		m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
@@ -1650,8 +1650,8 @@ public:
 		m_Alteration->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations);
 
 		// Wherever alterations are nonzero, change into alternate biome, if available:
-		int len = a_SizeX * a_SizeZ;
-		for (int idx = 0; idx < len; ++idx)
+		size_t len = a_SizeX * a_SizeZ;
+		for (size_t idx = 0; idx < len; ++idx)
 		{
 			if (alterations[idx] == 0)
 			{
diff --git a/src/Generating/RainbowRoadsGen.cpp b/src/Generating/RainbowRoadsGen.cpp
index fd4a81692..03400556a 100644
--- a/src/Generating/RainbowRoadsGen.cpp
+++ b/src/Generating/RainbowRoadsGen.cpp
@@ -76,7 +76,7 @@ protected:
 	{
 		for (cPlacedPieces::iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
 		{
-			cPrefab & Prefab = (cPrefab &)((*itr)->GetPiece());
+			const cPrefab & Prefab = static_cast<const cPrefab &>((*itr)->GetPiece());
 			Prefab.Draw(a_Chunk, *itr);
 		}  // for itr - m_PlacedPieces[]
 	}
diff --git a/src/Generating/Ravines.cpp b/src/Generating/Ravines.cpp
index 9f8f69139..8c6316273 100644
--- a/src/Generating/Ravines.cpp
+++ b/src/Generating/Ravines.cpp
@@ -135,17 +135,17 @@ void cStructGenRavines::cRavine::GenerateBaseDefPoints(int a_BlockX, int a_Block
 	
 	// Get the base angle in which the ravine "axis" goes:
 	float Angle = (float)(((float)((a_Noise.IntNoise3DInt(20 * a_BlockX, 70 * a_BlockZ, 6000) / 9) % 16384)) / 16384.0 * M_PI);
-	float xc = sin(Angle);
-	float zc = cos(Angle);
+	float xc = sinf(Angle);
+	float zc = cosf(Angle);
 	
 	// Calculate the definition points and radii:
 	int MaxRadius = (int)(sqrt(12.0 + ((a_Noise.IntNoise2DInt(61 * a_BlockX, 97 * a_BlockZ) / 13) % a_Size) / 16));
 	int Top       = 32 + ((a_Noise.IntNoise2DInt(13 * a_BlockX, 17 * a_BlockZ) / 23) % 32);
 	int Bottom    = 5 + ((a_Noise.IntNoise2DInt(17 * a_BlockX, 29 * a_BlockZ) / 13) % 32);
 	int Mid = (Top + Bottom) / 2;
-	int PointX = CenterX - (int)(xc * a_Size / 2);
-	int PointZ = CenterZ - (int)(zc * a_Size / 2);
-	m_Points.push_back(cRavDefPoint(PointX, PointZ, 0, (Mid + Top) / 2, (Mid + Bottom) / 2));
+	int DefinitionPointX = CenterX - (int)(xc * a_Size / 2);
+	int DefinitionPointZ = CenterZ - (int)(zc * a_Size / 2);
+	m_Points.push_back(cRavDefPoint(DefinitionPointX, DefinitionPointZ, 0, (Mid + Top) / 2, (Mid + Bottom) / 2));
 	for (int i = 1; i < NUM_RAVINE_POINTS - 1; i++)
 	{
 		int LineX = CenterX + (int)(xc * a_Size * (i - NUM_RAVINE_POINTS / 2) / NUM_RAVINE_POINTS);
@@ -160,9 +160,9 @@ void cStructGenRavines::cRavine::GenerateBaseDefPoints(int a_BlockX, int a_Block
 		int ThisBottom = Bottom + ((a_Noise.IntNoise3DInt(19 * a_BlockX, 7 *  a_BlockZ, i * 31) / 13) % 8) - 4;
 		m_Points.push_back(cRavDefPoint(PointX, PointZ, Radius, ThisTop, ThisBottom));
 	}  // for i - m_Points[]
-	PointX = CenterX + (int)(xc * a_Size / 2);
-	PointZ = CenterZ + (int)(zc * a_Size / 2);
-	m_Points.push_back(cRavDefPoint(PointX, PointZ, 0, Mid, Mid));
+	DefinitionPointX = CenterX + (int)(xc * a_Size / 2);
+	DefinitionPointZ = CenterZ + (int)(zc * a_Size / 2);
+	m_Points.push_back(cRavDefPoint(DefinitionPointX, DefinitionPointZ, 0, Mid, Mid));
 }
 
 
diff --git a/src/Generating/RoughRavines.cpp b/src/Generating/RoughRavines.cpp
index 2ee3704b3..c0397ee26 100644
--- a/src/Generating/RoughRavines.cpp
+++ b/src/Generating/RoughRavines.cpp
@@ -21,7 +21,7 @@ class cRoughRavine :
 	
 public:
 	cRoughRavine(
-		int a_Seed, int a_Size,
+		int a_Seed, size_t a_Size,
 		float a_CenterWidth, float a_Roughness,
 		float a_FloorHeightEdge1,   float a_FloorHeightEdge2,   float a_FloorHeightCenter,
 		float a_CeilingHeightEdge1, float a_CeilingHeightEdge2, float a_CeilingHeightCenter,
@@ -33,14 +33,14 @@ public:
 		m_Roughness(a_Roughness)
 	{
 		// Create the basic structure - 2 lines meeting at the centerpoint:
-		int Max = 2 * a_Size;
-		int Half = a_Size;  // m_DefPoints[Half] will be the centerpoint
+		size_t Max = 2 * a_Size;
+		size_t Half = a_Size;  // m_DefPoints[Half] will be the centerpoint
 		m_DefPoints.resize(Max + 1);
 		int rnd = m_Noise.IntNoise2DInt(a_OriginX, a_OriginZ) / 7;
 		float Len = (float)a_Size;
 		float Angle = (float)rnd;  // Angle is in radians, will be wrapped in the "sin" and "cos" operations
-		float OfsX = sin(Angle) * Len;
-		float OfsZ = cos(Angle) * Len;
+		float OfsX = sinf(Angle) * Len;
+		float OfsZ = cosf(Angle) * Len;
 		m_DefPoints[0].Set   (a_OriginX - OfsX, a_OriginZ - OfsZ, 1,             a_CeilingHeightEdge1,  a_FloorHeightEdge1);
 		m_DefPoints[Half].Set((float)a_OriginX, (float)a_OriginZ, a_CenterWidth, a_CeilingHeightCenter, a_FloorHeightCenter);
 		m_DefPoints[Max].Set (a_OriginX + OfsX, a_OriginZ + OfsZ, 1,             a_CeilingHeightEdge2,  a_FloorHeightEdge2);
@@ -90,7 +90,7 @@ protected:
 	/** Recursively subdivides the line between the points of the specified index.
 	Sets the midpoint to the center of the line plus or minus a random offset, then calls itself for each half
 	of the new line. */
-	void SubdivideLine(int a_Idx1, int a_Idx2)
+	void SubdivideLine(size_t a_Idx1, size_t a_Idx2)
 	{
 		// Calculate the midpoint:
 		const sRavineDefPoint & p1 = m_DefPoints[a_Idx1];
@@ -114,7 +114,7 @@ protected:
 			MidX -= dz * m_Roughness;
 			MidZ += dx * m_Roughness;
 		}
-		int MidIdx = (a_Idx1 + a_Idx2) / 2;
+		size_t MidIdx = (a_Idx1 + a_Idx2) / 2;
 		m_DefPoints[MidIdx].Set(MidX, MidZ, MidR, MidT, MidB);
 		
 		// Recurse the two halves, if they are worth recursing:
@@ -275,7 +275,7 @@ cRoughRavines::cRoughRavines(
 cGridStructGen::cStructurePtr cRoughRavines::CreateStructure(int a_GridX, int a_GridZ, int a_OriginX, int a_OriginZ)
 {
 	// Pick a random value for each of the ravine's parameters:
-	int Size = m_MinSize + (m_Noise.IntNoise2DInt(a_GridX, a_GridZ) / 7) % (m_MaxSize - m_MinSize);  // Random int from m_MinSize to m_MaxSize
+	size_t Size = static_cast<size_t>(m_MinSize + (m_Noise.IntNoise2DInt(a_GridX, a_GridZ) / 7) % (m_MaxSize - m_MinSize));  // Random int from m_MinSize to m_MaxSize
 	float CenterWidth         = m_Noise.IntNoise2DInRange(a_GridX + 10, a_GridZ, m_MinCenterWidth,         m_MaxCenterWidth);
 	float Roughness           = m_Noise.IntNoise2DInRange(a_GridX + 20, a_GridZ, m_MinRoughness,           m_MaxRoughness);
 	float FloorHeightEdge1    = m_Noise.IntNoise2DInRange(a_GridX + 30, a_GridZ, m_MinFloorHeightEdge,     m_MaxFloorHeightEdge);
diff --git a/src/Generating/StructGen.cpp b/src/Generating/StructGen.cpp
index 7572cdcbf..fd911e7dc 100644
--- a/src/Generating/StructGen.cpp
+++ b/src/Generating/StructGen.cpp
@@ -72,7 +72,7 @@ void cStructGenTrees::GenFinish(cChunkDesc & a_ChunkDesc)
 	{
 		for (int z = 0; z < cChunkDef::Width; z++)
 		{
-			for (int y = cChunkDef::Height - 1; y >= 0; y--)
+			for (HEIGHTTYPE y = cChunkDef::Height - 1; y >= 0; y--)
 			{
 				if (a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR)
 				{
@@ -304,14 +304,14 @@ void cStructGenOreNests::GenerateOre(int a_ChunkX, int a_ChunkZ, BLOCKTYPE a_Ore
 	
 	for (int i = 0; i < a_NumNests; i++)
 	{
-		int rnd = m_Noise.IntNoise3DInt(a_ChunkX + i, a_Seq, a_ChunkZ + 64 * i) / 8;
-		int BaseX = rnd % cChunkDef::Width;
-		rnd /= cChunkDef::Width;
-		int BaseZ = rnd % cChunkDef::Width;
-		rnd /= cChunkDef::Width;
-		int BaseY = rnd % a_MaxHeight;
-		rnd /= a_MaxHeight;
-		int NestSize = a_NestSize + (rnd % (a_NestSize / 4));  // The actual nest size may be up to 1 / 4 larger
+		int Nestrnd = m_Noise.IntNoise3DInt(a_ChunkX + i, a_Seq, a_ChunkZ + 64 * i) / 8;
+		int BaseX = Nestrnd % cChunkDef::Width;
+		Nestrnd /= cChunkDef::Width;
+		int BaseZ = Nestrnd % cChunkDef::Width;
+		Nestrnd /= cChunkDef::Width;
+		int BaseY = Nestrnd % a_MaxHeight;
+		Nestrnd /= a_MaxHeight;
+		int NestSize = a_NestSize + (Nestrnd % (a_NestSize / 4));  // The actual nest size may be up to 1 / 4 larger
 		int Num = 0;
 		while (Num < NestSize)
 		{
@@ -436,14 +436,14 @@ void cStructGenLakes::CreateLakeImage(int a_ChunkX, int a_ChunkZ, int a_MaxLakeH
 	BLOCKTYPE * BlockTypes = a_Lake.GetBlockTypes();
 	for (int i = 0; i < NumBubbles; i++)
 	{
-		int Rnd = m_Noise.IntNoise3DInt(a_ChunkX, i, a_ChunkZ) / 13;
-		const int BubbleR = 2 + (Rnd & 0x03);  // 2 .. 5
+		int BubbleRnd = m_Noise.IntNoise3DInt(a_ChunkX, i, a_ChunkZ) / 13;
+		const int BubbleR = 2 + (BubbleRnd & 0x03);  // 2 .. 5
 		const int Range = 16 - 2 * BubbleR;
-		const int BubbleX = BubbleR + (Rnd % Range);
+		const int BubbleX = BubbleR + (BubbleRnd % Range);
 		Rnd >>= 4;
-		const int BubbleY = 4 + (Rnd & 0x01);  // 4 .. 5
+		const int BubbleY = 4 + (BubbleRnd & 0x01);  // 4 .. 5
 		Rnd >>= 1;
-		const int BubbleZ = BubbleR + (Rnd % Range);
+		const int BubbleZ = BubbleR + (BubbleRnd % Range);
 		const int HalfR = BubbleR / 2;  // 1 .. 2
 		const int RSquared = BubbleR * BubbleR;
 		for (int y = -HalfR; y <= HalfR; y++)
diff --git a/src/Generating/TestRailsGen.cpp b/src/Generating/TestRailsGen.cpp
index 8256b55a0..72317eb67 100644
--- a/src/Generating/TestRailsGen.cpp
+++ b/src/Generating/TestRailsGen.cpp
@@ -76,7 +76,7 @@ protected:
 	{
 		for (cPlacedPieces::iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
 		{
-			cPrefab & Prefab = (cPrefab &)((*itr)->GetPiece());
+			const cPrefab & Prefab = static_cast<const cPrefab &>((*itr)->GetPiece());
 			Prefab.Draw(a_Chunk, *itr);
 		}  // for itr - m_PlacedPieces[]
 	}
diff --git a/src/Generating/Trees.cpp b/src/Generating/Trees.cpp
index 72fe5f819..c8bbab12f 100644
--- a/src/Generating/Trees.cpp
+++ b/src/Generating/Trees.cpp
@@ -130,7 +130,7 @@ inline void PushSomeColumns(int a_BlockX, int a_Height, int a_BlockZ, int a_Colu
 	{
 		int x = a_BlockX + a_Coords[i].x;
 		int z = a_BlockZ + a_Coords[i].z;
-		if (a_Noise.IntNoise3DInt(x + 64 * a_Seq, a_Height + (int)i, z + 64 * a_Seq) <= a_Chance)
+		if (a_Noise.IntNoise3DInt(x + 64 * a_Seq, a_Height + static_cast<int>(i), z + 64 * a_Seq) <= a_Chance)
 		{
 			for (int j = 0; j < a_ColumnHeight; j++)
 			{
@@ -321,12 +321,12 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a
 	
 	int Random = a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) >> 3;
 	
-	int Heights[] = {1, 2, 2, 3} ;
-	int Height = 1 + Heights[Random & 3];
+	HEIGHTTYPE Heights[] = {1, 2, 2, 3} ;
+	HEIGHTTYPE Height = 1 + Heights[Random & 3];
 	Random >>= 2;
 	
 	// Pre-alloc so that we don't realloc too often later:
-	a_LogBlocks.reserve(Height + 5);
+	a_LogBlocks.reserve(static_cast<size_t>(Height + 5));
 	a_OtherBlocks.reserve(ARRAYCOUNT(BigO2) * 2 + ARRAYCOUNT(BigO1) + ARRAYCOUNT(Corners) * 3 + 3 + 5);
 	
 	// Trunk:
@@ -396,8 +396,8 @@ void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a
 	for (int i = 4; i < Height; i++)
 	{
 		// Get a direction for the trunk to go to.
-		Vector3d BranchStartDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY + i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)];
-		Vector3d BranchDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY / i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)] / 3;
+		Vector3d BranchStartDirection = AvailableDirections[static_cast<size_t>(a_Noise.IntNoise3DInt(a_BlockX, a_BlockY + i, a_BlockZ)) % ARRAYCOUNT(AvailableDirections)];
+		Vector3d BranchDirection = AvailableDirections[static_cast<size_t>(a_Noise.IntNoise3DInt(a_BlockX, a_BlockY / i, a_BlockZ)) % ARRAYCOUNT(AvailableDirections)] / 3;
 
 		int BranchLength = 2 + a_Noise.IntNoise3DInt(a_BlockX * a_Seq, a_BlockY * a_Seq, a_BlockZ * a_Seq) % 3;
 		GetLargeAppleTreeBranch(a_BlockX, a_BlockY + i, a_BlockZ, BranchLength, BranchStartDirection, BranchDirection, a_BlockY + Height, a_Noise, a_LogBlocks);
@@ -476,10 +476,10 @@ NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction)
 
 void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
 {
-	int Height = 5 + (a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) % 3);
+	HEIGHTTYPE Height = 5 + (a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) % 3);
 	
 	// Prealloc, so that we don't realloc too often later:
-	a_LogBlocks.reserve(Height);
+	a_LogBlocks.reserve(static_cast<size_t>(Height));
 	a_OtherBlocks.reserve(80);
 	
 	// The entire trunk, out of logs:
@@ -650,10 +650,10 @@ void GetDarkoakTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_No
 
 void GetTallBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
 {
-	int Height = 9 + (a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) % 3);
+	HEIGHTTYPE Height = 9 + (a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) % 3);
 	
 	// Prealloc, so that we don't realloc too often later:
-	a_LogBlocks.reserve(Height);
+	a_LogBlocks.reserve(static_cast<size_t>(Height));
 	a_OtherBlocks.reserve(80);
 	
 	// The entire trunk, out of logs:
@@ -713,12 +713,12 @@ void GetSpruceTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noi
 	// (each of the mod8 remainders has a very different chance of occurrence) - that's why we divide by 8
 	int MyRandom = a_Noise.IntNoise3DInt(a_BlockX + 32 * a_Seq, a_BlockY + 32 * a_Seq, a_BlockZ) / 8;
 	
-	static const int  sHeights[] = {1, 2, 2, 3};
-	int Height = sHeights[MyRandom & 3];
+	static const HEIGHTTYPE  sHeights[] = {1, 2, 2, 3};
+	HEIGHTTYPE Height = sHeights[MyRandom & 3];
 	MyRandom >>= 2;
 
 	// Prealloc, so that we don't realloc too often later:
-	a_LogBlocks.reserve(Height);
+	a_LogBlocks.reserve(static_cast<size_t>(Height));
 	a_OtherBlocks.reserve(180);
 	
 	// Clear trunk blocks:
@@ -816,8 +816,8 @@ void GetPineTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise
 	}
 	
 	// Pre-allocate the vector:
-	a_LogBlocks.reserve(TrunkHeight);
-	a_OtherBlocks.reserve(NumLeavesLayers * 25);
+	a_LogBlocks.reserve(static_cast<size_t>(TrunkHeight));
+	a_OtherBlocks.reserve(static_cast<size_t>(NumLeavesLayers * 25));
 
 	// The entire trunk, out of logs:
 	for (int i = TrunkHeight; i >= 0; --i)
@@ -843,7 +843,7 @@ void GetPineTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise
 		{
 			break;
 		}
-		ASSERT((size_t)LayerSize < ARRAYCOUNT(BigOs));
+		ASSERT(static_cast<size_t>(LayerSize) < ARRAYCOUNT(BigOs));
 		PushCoordBlocks(a_BlockX, h, a_BlockZ, a_OtherBlocks, BigOs[LayerSize].Coords, BigOs[LayerSize].Count, E_BLOCK_LEAVES, E_META_LEAVES_CONIFER);
 		h--;
 	}
@@ -866,8 +866,8 @@ void GetSwampTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Nois
 
 	int Height = 3 + (a_Noise.IntNoise3DInt(a_BlockX + 32 * a_Seq, a_BlockY, a_BlockZ + 32 * a_Seq) / 8) % 3;
 	
-	a_LogBlocks.reserve(Height);
-	a_OtherBlocks.reserve(2 * ARRAYCOUNT(BigO2) + 2 * ARRAYCOUNT(BigO3) + Height * ARRAYCOUNT(Vines) + 20);
+	a_LogBlocks.reserve(static_cast<size_t>(Height));
+	a_OtherBlocks.reserve(2 * ARRAYCOUNT(BigO2) + 2 * ARRAYCOUNT(BigO3) + static_cast<size_t>(Height) * ARRAYCOUNT(Vines) + 20);
 	
 	for (int i = 0; i < Height; i++)
 	{
@@ -952,8 +952,8 @@ void GetLargeJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise &
 	
 	int Height = 24 + (a_Noise.IntNoise3DInt(a_BlockX + 32 * a_Seq, a_BlockY, a_BlockZ + 32 * a_Seq) / 11) % 24;
 	
-	a_LogBlocks.reserve(Height * 4);
-	a_OtherBlocks.reserve(2 * ARRAYCOUNT(BigO4) + ARRAYCOUNT(BigO3) + Height * ARRAYCOUNT(Vines) + 50);
+	a_LogBlocks.reserve(static_cast<size_t>(Height) * 4);
+	a_OtherBlocks.reserve(2 * ARRAYCOUNT(BigO4) + ARRAYCOUNT(BigO3) + static_cast<size_t>(Height) * ARRAYCOUNT(Vines) + 50);
 	
 	for (int i = 0; i < Height; i++)
 	{
@@ -999,12 +999,12 @@ void GetSmallJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise &
 
 	int Height = 7 + (a_Noise.IntNoise3DInt(a_BlockX + 5 * a_Seq, a_BlockY, a_BlockZ + 5 * a_Seq) / 5) % 3;
 	
-	a_LogBlocks.reserve(Height);
+	a_LogBlocks.reserve(static_cast<size_t>(Height));
 	a_OtherBlocks.reserve(
 		2 * ARRAYCOUNT(BigO3) +       // O3 layer, 2x
 		2 * ARRAYCOUNT(BigO2) +       // O2 layer, 2x
 		ARRAYCOUNT(BigO1) + 1 +       // Plus on the top
-		Height * ARRAYCOUNT(Vines) +  // Vines
+		static_cast<size_t>(Height) * ARRAYCOUNT(Vines) +  // Vines
 		50  // some safety
 	);
 	
diff --git a/src/Generating/UnderwaterBaseGen.cpp b/src/Generating/UnderwaterBaseGen.cpp
index dbc4aef1b..c5066ca1b 100644
--- a/src/Generating/UnderwaterBaseGen.cpp
+++ b/src/Generating/UnderwaterBaseGen.cpp
@@ -76,7 +76,7 @@ protected:
 	{
 		for (cPlacedPieces::iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
 		{
-			cPrefab & Prefab = (cPrefab &)((*itr)->GetPiece());
+			const cPrefab & Prefab = static_cast<const cPrefab &>((*itr)->GetPiece());
 			Prefab.Draw(a_Chunk, *itr);
 		}  // for itr - m_PlacedPieces[]
 	}
diff --git a/src/Generating/VillageGen.cpp b/src/Generating/VillageGen.cpp
index 27146e757..488497ac1 100644
--- a/src/Generating/VillageGen.cpp
+++ b/src/Generating/VillageGen.cpp
@@ -93,7 +93,7 @@ public:
 			return 0;
 		}
 		
-		return ((const cPrefab &)a_NewPiece).GetPieceWeight(a_PlacedPiece, a_ExistingConnector);
+		return static_cast<const cPrefab &>(a_NewPiece).GetPieceWeight(a_PlacedPiece, a_ExistingConnector);
 	}
 };
 
@@ -141,7 +141,7 @@ public:
 		
 		// If the central piece should be moved to ground, move it, and
 		// check all of its dependents and move those that are strictly connector-driven based on its new Y coord:
-		if (((cPrefab &)m_Pieces[0]->GetPiece()).ShouldMoveToGround())
+		if (static_cast<const cPrefab &>(m_Pieces[0]->GetPiece()).ShouldMoveToGround())
 		{
 			int OrigPosY = m_Pieces[0]->GetCoords().y;
 			PlacePieceOnGround(*m_Pieces[0]);
@@ -197,7 +197,7 @@ protected:
 		m_HeightGen->GenHeightMap(a_Chunk.GetChunkX(), a_Chunk.GetChunkZ(), HeightMap);
 		for (cPlacedPieces::iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
 		{
-			cPrefab & Prefab = (cPrefab &)((*itr)->GetPiece());
+			const cPrefab & Prefab = static_cast<const cPrefab &>((*itr)->GetPiece());
 			if ((*itr)->GetPiece().GetSize().y == 1)
 			{
 				// It's a road, special handling (change top terrain blocks to m_RoadBlock)
@@ -319,7 +319,7 @@ protected:
 		{
 			if (
 				(a_PlacedPieces[i]->GetParent() == Pivot) &&  // It is a direct dependant of the pivot
-				!((const cPrefab &)a_PlacedPieces[i]->GetPiece()).ShouldMoveToGround()  // It attaches strictly by connectors
+				!(static_cast<const cPrefab &>(a_PlacedPieces[i]->GetPiece())).ShouldMoveToGround()  // It attaches strictly by connectors
 			)
 			{
 				a_PlacedPieces[i]->MoveToGroundBy(a_HeightDifference);
@@ -389,8 +389,8 @@ cGridStructGen::cStructurePtr cVillageGen::CreateStructure(int a_GridX, int a_Gr
 	BLOCKTYPE RoadBlock = E_BLOCK_GRAVEL;
 	BLOCKTYPE WaterRoadBlock = E_BLOCK_PLANKS;
 	int rnd = m_Noise.IntNoise2DInt(a_OriginX, a_OriginZ) / 11;
-	cVillagePiecePool * PlainsVillage = g_PlainsVillagePools[rnd % ARRAYCOUNT(g_PlainsVillagePools)];
-	cVillagePiecePool * DesertVillage = g_DesertVillagePools[rnd % ARRAYCOUNT(g_DesertVillagePools)];
+	cVillagePiecePool * PlainsVillage = g_PlainsVillagePools[static_cast<size_t>(rnd) % ARRAYCOUNT(g_PlainsVillagePools)];
+	cVillagePiecePool * DesertVillage = g_DesertVillagePools[static_cast<size_t>(rnd) % ARRAYCOUNT(g_DesertVillagePools)];
 	for (size_t i = 0; i < ARRAYCOUNT(Biomes); i++)
 	{
 		switch (Biomes[i])
diff --git a/src/HTTPServer/CMakeLists.txt b/src/HTTPServer/CMakeLists.txt
index b0efc810d..ab3828aae 100644
--- a/src/HTTPServer/CMakeLists.txt
+++ b/src/HTTPServer/CMakeLists.txt
@@ -24,6 +24,11 @@ SET (HDRS
 	NameValueParser.h
 	SslHTTPConnection.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(HTTPServer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors -Wno-error=old-style-cast")
+	set_source_files_properties(HTTPConnection.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum")
+endif()
+
 if(NOT MSVC)
 	add_library(HTTPServer ${SRCS} ${HDRS})
 endif()
diff --git a/src/HTTPServer/HTTPConnection.cpp b/src/HTTPServer/HTTPConnection.cpp
index a5c6afd18..c6a45e6ed 100644
--- a/src/HTTPServer/HTTPConnection.cpp
+++ b/src/HTTPServer/HTTPConnection.cpp
@@ -213,7 +213,7 @@ void cHTTPConnection::OnReceivedData(const char * a_Data, size_t a_Size)
 			ASSERT(m_CurrentRequest != nullptr);
 			if (m_CurrentRequestBodyRemaining > 0)
 			{
-				size_t BytesToConsume = std::min(m_CurrentRequestBodyRemaining, (size_t)a_Size);
+				size_t BytesToConsume = std::min(m_CurrentRequestBodyRemaining, static_cast<size_t>(a_Size));
 				m_HTTPServer.RequestBody(*this, *m_CurrentRequest, a_Data, BytesToConsume);
 				m_CurrentRequestBodyRemaining -= BytesToConsume;
 			}
diff --git a/src/HTTPServer/HTTPFormParser.cpp b/src/HTTPServer/HTTPFormParser.cpp
index 72872078b..77f98e43b 100644
--- a/src/HTTPServer/HTTPFormParser.cpp
+++ b/src/HTTPServer/HTTPFormParser.cpp
@@ -90,11 +90,6 @@ void cHTTPFormParser::Parse(const char * a_Data, size_t a_Size)
 			m_MultipartParser->Parse(a_Data, a_Size);
 			break;
 		}
-		default:
-		{
-			ASSERT(!"Unhandled form kind");
-			break;
-		}
 	}
 }
 
@@ -113,7 +108,7 @@ bool cHTTPFormParser::Finish(void)
 			ParseFormUrlEncoded();
 			break;
 		}
-		default:
+		case fpkMultipart:
 		{
 			// Nothing needed for other formats
 			break;
diff --git a/src/HTTPServer/HTTPServer.cpp b/src/HTTPServer/HTTPServer.cpp
index 71f974a97..2eb8bf1ff 100644
--- a/src/HTTPServer/HTTPServer.cpp
+++ b/src/HTTPServer/HTTPServer.cpp
@@ -112,7 +112,9 @@ class cDebugCallbacks :
 			// TODO
 		}
 		
-} g_DebugCallbacks;
+};
+
+static cDebugCallbacks g_DebugCallbacks;
 
 
 
diff --git a/src/HTTPServer/SslHTTPConnection.cpp b/src/HTTPServer/SslHTTPConnection.cpp
index f8dea0731..7239741da 100644
--- a/src/HTTPServer/SslHTTPConnection.cpp
+++ b/src/HTTPServer/SslHTTPConnection.cpp
@@ -55,7 +55,7 @@ void cSslHTTPConnection::OnReceivedData(const char * a_Data, size_t a_Size)
 		int NumRead = m_Ssl.ReadPlain(Buffer, sizeof(Buffer));
 		if (NumRead > 0)
 		{
-			super::OnReceivedData(Buffer, (size_t)NumRead);
+			super::OnReceivedData(Buffer, static_cast<size_t>(NumRead));
 		}
 		else if (NumRead == POLARSSL_ERR_NET_WANT_READ)
 		{
diff --git a/src/IniFile.cpp b/src/IniFile.cpp
index cd98cce57..635af740d 100644
--- a/src/IniFile.cpp
+++ b/src/IniFile.cpp
@@ -243,7 +243,7 @@ int cIniFile::FindKey(const AString & a_KeyName) const
 	{
 		if (CheckCase(names[keyID]) == CaseKeyName)
 		{
-			return (int)keyID;
+			return static_cast<int>(keyID);
 		}
 	}
 	return noID;
@@ -859,7 +859,7 @@ AString cIniFile::CheckCase(const AString & s) const
 	size_t len = res.length();
 	for (size_t i = 0; i < len; i++)
 	{
-		res[i] = tolower(res[i]);
+		res[i] = static_cast<char>(tolower(res[i]));
 	}
 	return res;
 }
diff --git a/src/IniFile.h b/src/IniFile.h
index 2a4113fb4..a05e8f734 100644
--- a/src/IniFile.h
+++ b/src/IniFile.h
@@ -98,7 +98,7 @@ public:
 	int FindValue(const int keyID, const AString & valuename) const;
 
 	/// Returns number of keys currently in the ini
-	int GetNumKeys(void) const { return (int)keys.size(); }
+	int GetNumKeys(void) const { return static_cast<int>(keys.size()); }
 
 	/// Add a key name
 	int AddKeyName(const AString & keyname) override;
@@ -173,7 +173,7 @@ public:
 	// Header comments are those comments before the first key.
 
 	/// Returns the number of header comments
-	int GetNumHeaderComments(void) {return (int)comments.size();}
+	int GetNumHeaderComments(void) {return static_cast<int>(comments.size());}
 	
 	/// Adds a header comment
 	void AddHeaderComment(const AString & comment);
diff --git a/src/Inventory.cpp b/src/Inventory.cpp
index c595da5b0..6b3c8e62f 100644
--- a/src/Inventory.cpp
+++ b/src/Inventory.cpp
@@ -98,7 +98,7 @@ int cInventory::HowManyCanFit(const cItem & a_ItemStack, int a_BeginSlotNum, int
 
 
 
-int cInventory::AddItem(const cItem & a_Item, bool a_AllowNewStacks, bool a_tryToFillEquippedFirst)
+int cInventory::AddItem(const cItem & a_Item, bool a_AllowNewStacks)
 {
 	cItem ToAdd(a_Item);
 	int res = 0;
@@ -116,7 +116,28 @@ int cInventory::AddItem(const cItem & a_Item, bool a_AllowNewStacks, bool a_tryT
 		}
 	}
 
-	res += m_HotbarSlots.AddItem(ToAdd, a_AllowNewStacks, a_tryToFillEquippedFirst ? m_EquippedSlotNum : -1);
+	for (int SlotIdx = 0; SlotIdx < m_InventorySlots.GetNumSlots(); ++SlotIdx)
+	{
+		auto & Slot = m_InventorySlots.GetSlot(SlotIdx);
+		if (Slot.IsEqual(a_Item))
+		{
+			cItemHandler Handler(Slot.m_ItemType);
+			int AmountToAdd = std::min(static_cast<char>(Handler.GetMaxStackSize() - Slot.m_ItemCount), ToAdd.m_ItemCount);
+			res += AmountToAdd;
+
+			cItem SlotAdjusted(Slot);
+			SlotAdjusted.m_ItemCount += AmountToAdd;
+			m_InventorySlots.SetSlot(SlotIdx, SlotAdjusted);
+
+			ToAdd.m_ItemCount -= AmountToAdd;
+			if (ToAdd.m_ItemCount == 0)
+			{
+				return res;
+			}
+		}
+	}
+
+	res += m_HotbarSlots.AddItem(ToAdd, a_AllowNewStacks);
 	ToAdd.m_ItemCount = a_Item.m_ItemCount - res;
 	if (ToAdd.m_ItemCount == 0)
 	{
@@ -131,12 +152,12 @@ int cInventory::AddItem(const cItem & a_Item, bool a_AllowNewStacks, bool a_tryT
 
 
 
-int cInventory::AddItems(cItems & a_ItemStackList, bool a_AllowNewStacks, bool a_tryToFillEquippedFirst)
+int cInventory::AddItems(cItems & a_ItemStackList, bool a_AllowNewStacks)
 {
 	int TotalAdded = 0;
 	for (cItems::iterator itr = a_ItemStackList.begin(); itr != a_ItemStackList.end();)
 	{
-		int NumAdded = AddItem(*itr, a_AllowNewStacks, a_tryToFillEquippedFirst);
+		int NumAdded = AddItem(*itr, a_AllowNewStacks);
 		if (itr->m_ItemCount == NumAdded)
 		{
 			itr = a_ItemStackList.erase(itr);
diff --git a/src/Inventory.h b/src/Inventory.h
index b2a8f658b..5501399bd 100644
--- a/src/Inventory.h
+++ b/src/Inventory.h
@@ -70,23 +70,17 @@ public:
 	/** Adds as many items out of a_ItemStack as can fit.
 	If a_AllowNewStacks is set to false, only existing stacks can be topped up;
 	if a_AllowNewStacks is set to true, empty slots can be used for the rest.
-	If a_tryToFillEquippedFirst is set to true, the currently equipped slot will be used first (if empty or
-	compatible with added items)
-	if a_tryToFillEquippedFirst is set to false, the regular order applies.
 	Returns the number of items that fit.
 	*/
-	int AddItem(const cItem & a_ItemStack, bool a_AllowNewStacks = true, bool a_tryToFillEquippedFirst = false);
+	int AddItem(const cItem & a_ItemStack, bool a_AllowNewStacks = true);
 
 	/** Same as AddItem, but works on an entire list of item stacks.
 	The a_ItemStackList is modified to reflect the leftover items.
 	If a_AllowNewStacks is set to false, only existing stacks can be topped up;
 	if a_AllowNewStacks is set to true, empty slots can be used for the rest.
-	If a_tryToFillEquippedFirst is set to true, the currently equipped slot will be used first (if empty or
-	compatible with added items)
-	if a_tryToFillEquippedFirst is set to false, the regular order applies.
 	Returns the total number of items that fit.
 	*/
-	int AddItems(cItems & a_ItemStackList, bool a_AllowNewStacks, bool a_tryToFillEquippedFirst);
+	int AddItems(cItems & a_ItemStackList, bool a_AllowNewStacks);
 
 	/** Removes the specified item from the inventory, as many as possible, up to a_ItemStack.m_ItemCount.
 	Returns the number of items that were removed. */
diff --git a/src/ItemGrid.cpp b/src/ItemGrid.cpp
index 06971a1ac..8433598f7 100644
--- a/src/ItemGrid.cpp
+++ b/src/ItemGrid.cpp
@@ -358,7 +358,7 @@ int cItemGrid::RemoveItem(const cItem & a_ItemStack)
 
 		if (m_Slots[i].IsEqual(a_ItemStack))
 		{
-			int NumToRemove = std::min(NumLeft, (int)m_Slots[i].m_ItemCount);
+			int NumToRemove = std::min(NumLeft, static_cast<int>(m_Slots[i].m_ItemCount));
 			NumLeft -= NumToRemove;
 			m_Slots[i].m_ItemCount -= NumToRemove;
 
diff --git a/src/Items/CMakeLists.txt b/src/Items/CMakeLists.txt
index c50ddb372..71f2d9ceb 100644
--- a/src/Items/CMakeLists.txt
+++ b/src/Items/CMakeLists.txt
@@ -56,6 +56,10 @@ SET (HDRS
 	ItemThrowable.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(ItemHandler.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=old-style-cast -Wno-error=switch-enum")
+endif()
+
 if(NOT MSVC)
 	add_library(Items ${SRCS} ${HDRS})
 endif()
diff --git a/src/Items/ItemBow.h b/src/Items/ItemBow.h
index 5164ddf59..8bbaa3d8c 100644
--- a/src/Items/ItemBow.h
+++ b/src/Items/ItemBow.h
@@ -53,7 +53,7 @@ public:
 		ASSERT(a_Player != nullptr);
 
 		int BowCharge = a_Player->FinishChargingBow();
-		double Force = (double)BowCharge / 20.0;
+		double Force = static_cast<double>(BowCharge) / 20.0;
 		Force = (Force * Force + 2.0 * Force) / 3.0;  // This formula is used by the 1.6.2 client
 		if (Force < 0.1)
 		{
@@ -80,7 +80,14 @@ public:
 			Arrow = nullptr;
 			return;
 		}
-		a_Player->GetWorld()->BroadcastSoundEffect("random.bow", a_Player->GetPosX(), a_Player->GetPosY(), a_Player->GetPosZ(), 0.5, (float)Force);
+		a_Player->GetWorld()->BroadcastSoundEffect(
+			"random.bow",
+			a_Player->GetPosX(),
+			a_Player->GetPosY(),
+			a_Player->GetPosZ(),
+			0.5,
+			static_cast<float>(Force)
+		);
 		if (!a_Player->IsGameModeCreative())
 		{
 			if (a_Player->GetEquippedItem().m_Enchantments.GetLevel(cEnchantments::enchInfinity) == 0)
diff --git a/src/Items/ItemBucket.h b/src/Items/ItemBucket.h
index 015720415..4d39bde82 100644
--- a/src/Items/ItemBucket.h
+++ b/src/Items/ItemBucket.h
@@ -80,6 +80,13 @@ public:
 			return false;
 		}
 		
+		// Check to see if destination block is too far away
+		// Reach Distance Multiplayer = 5 Blocks
+		if ((BlockPos.x - a_Player->GetPosX() > 5) || (BlockPos.z - a_Player->GetPosZ() > 5))
+		{
+			return false;
+		}
+
 		// Remove water / lava block (unless plugins disagree)
 		if (!a_Player->PlaceBlock(BlockPos.x, BlockPos.y, BlockPos.z, E_BLOCK_AIR, 0))
 		{
@@ -96,7 +103,7 @@ public:
 				ASSERT(!"Inventory bucket mismatch");
 				return true;
 			}
-			if (a_Player->GetInventory().AddItem(cItem(NewItem), true, true) != 1)
+			if (a_Player->GetInventory().AddItem(cItem(NewItem)) != 1)
 			{
 				// The bucket didn't fit, toss it as a pickup:
 				a_Player->TossPickup(cItem(NewItem));
@@ -126,6 +133,13 @@ public:
 		{
 			return false;
 		}
+
+		// Check to see if destination block is too far away
+		// Reach Distance Multiplayer = 5 Blocks
+		if ((BlockPos.x - a_Player->GetPosX() > 5) || (BlockPos.z - a_Player->GetPosZ() > 5))
+		{
+			return false;
+		}
 		
 		if (a_Player->GetGameMode() != gmCreative)
 		{
@@ -137,7 +151,7 @@ public:
 				return false;
 			}
 			cItem Item(E_ITEM_BUCKET, 1);
-			if (!a_Player->GetInventory().AddItem(Item, true, true))
+			if (!a_Player->GetInventory().AddItem(Item))
 			{
 				return false;
 			}
@@ -236,7 +250,7 @@ public:
 					m_EntryFace = static_cast<eBlockFace>(a_CBEntryFace);
 					if (!cFluidSimulator::CanWashAway(a_CBBlockType) && !IsBlockLiquid(a_CBBlockType))
 					{
-						AddFaceDirection(a_CBBlockX, a_CBBlockY, a_CBBlockZ, (eBlockFace)a_CBEntryFace);  // Was an unwashawayable block, can't overwrite it!
+						AddFaceDirection(a_CBBlockX, a_CBBlockY, a_CBBlockZ, static_cast<eBlockFace>(a_CBEntryFace));  // Was an unwashawayable block, can't overwrite it!
 					}
 					m_Pos.Set(a_CBBlockX, a_CBBlockY, a_CBBlockZ);  // (Block could be washed away, replace it)
 					return true;  // Abort tracing
diff --git a/src/Items/ItemEmptyMap.h b/src/Items/ItemEmptyMap.h
index 6e944b4da..fba8c0a2c 100644
--- a/src/Items/ItemEmptyMap.h
+++ b/src/Items/ItemEmptyMap.h
@@ -60,7 +60,7 @@ public:
 			return true;
 		}
 
-		a_Player->GetInventory().AddItem(cItem(E_ITEM_MAP, 1, (short)(NewMap->GetID() & 0x7fff)), true, true);
+		a_Player->GetInventory().AddItem(cItem(E_ITEM_MAP, 1, (short)(NewMap->GetID() & 0x7fff)));
 
 		return true;
 	}
diff --git a/src/Items/ItemMushroomSoup.h b/src/Items/ItemMushroomSoup.h
index dba313ec5..1a761cbf1 100644
--- a/src/Items/ItemMushroomSoup.h
+++ b/src/Items/ItemMushroomSoup.h
@@ -41,7 +41,7 @@ public:
 		// Return a bowl to the inventory
 		if (!a_Player->IsGameModeCreative())
 		{
-			a_Player->GetInventory().AddItem(cItem(E_ITEM_BOWL), true, true);
+			a_Player->GetInventory().AddItem(cItem(E_ITEM_BOWL));
 		}
 		return true;
 	}
diff --git a/src/LightingThread.cpp b/src/LightingThread.cpp
index effde03d0..7f13a94fd 100644
--- a/src/LightingThread.cpp
+++ b/src/LightingThread.cpp
@@ -43,8 +43,8 @@ class cReader :
 	{
 		// Copy the entire heightmap, distribute it into the 3x3 chunk blob:
 		typedef struct {HEIGHTTYPE m_Row[16]; } ROW;
-		ROW * InputRows  = (ROW *)a_Heightmap;
-		ROW * OutputRows = (ROW *)m_HeightMap;
+		const ROW * InputRows  = reinterpret_cast<const ROW *>(a_Heightmap);
+		ROW * OutputRows = reinterpret_cast<ROW *>(m_HeightMap);
 		int InputIdx = 0;
 		int OutputIdx = m_ReadingChunkX + m_ReadingChunkZ * cChunkDef::Width * 3;
 		for (int z = 0; z < cChunkDef::Width; z++)
@@ -149,11 +149,11 @@ void cLightingThread::Stop(void)
 
 
 
-void cLightingThread::QueueChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallbackAfter)
+void cLightingThread::QueueChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallbackAfter)
 {
 	ASSERT(m_World != nullptr);  // Did you call Start() properly?
 	
-	cChunkStay * ChunkStay = new cLightingChunkStay(*this, a_ChunkX, a_ChunkZ, a_CallbackAfter);
+	cChunkStay * ChunkStay = new cLightingChunkStay(*this, a_ChunkX, a_ChunkZ, std::move(a_CallbackAfter));
 	{
 		// The ChunkStay will enqueue itself using the QueueChunkStay() once it is fully loaded
 		// In the meantime, put it into the PendingQueue so that it can be removed when stopping the thread
@@ -217,7 +217,7 @@ void cLightingThread::Execute(void)
 			{
 				continue;
 			}
-			Item = (cLightingChunkStay *)m_Queue.front();
+			Item = static_cast<cLightingChunkStay *>(m_Queue.front());
 			m_Queue.pop_front();
 			if (m_Queue.empty())
 			{
@@ -599,11 +599,11 @@ void cLightingThread::QueueChunkStay(cLightingChunkStay & a_ChunkStay)
 ////////////////////////////////////////////////////////////////////////////////
 // cLightingThread::cLightingChunkStay:
 
-cLightingThread::cLightingChunkStay::cLightingChunkStay(cLightingThread & a_LightingThread, int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallbackAfter) :
+cLightingThread::cLightingChunkStay::cLightingChunkStay(cLightingThread & a_LightingThread, int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallbackAfter) :
 	m_LightingThread(a_LightingThread),
 	m_ChunkX(a_ChunkX),
 	m_ChunkZ(a_ChunkZ),
-	m_CallbackAfter(a_CallbackAfter)
+	m_CallbackAfter(std::move(a_CallbackAfter))
 {
 	Add(a_ChunkX + 1, a_ChunkZ + 1);
 	Add(a_ChunkX + 1, a_ChunkZ);
diff --git a/src/LightingThread.h b/src/LightingThread.h
index 87eb9c6d8..da6be12c8 100644
--- a/src/LightingThread.h
+++ b/src/LightingThread.h
@@ -61,7 +61,7 @@ public:
 	void Stop(void);
 	
 	/** Queues the entire chunk for lighting */
-	void QueueChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallbackAfter = nullptr);
+	void QueueChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallbackAfter);
 	
 	/** Blocks until the queue is empty or the thread is terminated */
 	void WaitForQueueEmpty(void);
@@ -77,9 +77,9 @@ protected:
 		cLightingThread & m_LightingThread;
 		int m_ChunkX;
 		int m_ChunkZ;
-		cChunkCoordCallback * m_CallbackAfter;
+		std::unique_ptr<cChunkCoordCallback> m_CallbackAfter;
 		
-		cLightingChunkStay(cLightingThread & a_LightingThread, int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallbackAfter);
+		cLightingChunkStay(cLightingThread & a_LightingThread, int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallbackAfter);
 		
 	protected:
 		virtual void OnChunkAvailable(int a_ChunkX, int a_ChunkZ) override
diff --git a/src/LineBlockTracer.cpp b/src/LineBlockTracer.cpp
index e43a79566..315e8d082 100644
--- a/src/LineBlockTracer.cpp
+++ b/src/LineBlockTracer.cpp
@@ -96,17 +96,17 @@ bool cLineBlockTracer::Trace(double a_StartX, double a_StartY, double a_StartZ,
 		m_Callbacks->OnIntoWorld(m_StartX, m_StartY, m_StartZ);
 	}
 
-	m_CurrentX = (int)floor(m_StartX);
-	m_CurrentY = (int)floor(m_StartY);
-	m_CurrentZ = (int)floor(m_StartZ);
+	m_CurrentX = FloorC(m_StartX);
+	m_CurrentY = FloorC(m_StartY);
+	m_CurrentZ = FloorC(m_StartZ);
 	
 	m_DiffX = m_EndX - m_StartX;
 	m_DiffY = m_EndY - m_StartY;
 	m_DiffZ = m_EndZ - m_StartZ;
 	
 	// The actual trace is handled with ChunkMapCS locked by calling our Item() for the specified chunk
-	int BlockX = (int)floor(m_StartX);
-	int BlockZ = (int)floor(m_StartZ);
+	int BlockX = FloorC(m_StartX);
+	int BlockZ = FloorC(m_StartZ);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(BlockX, BlockZ, ChunkX, ChunkZ);
 	return m_World->DoWithChunk(ChunkX, ChunkZ, *this);
@@ -120,7 +120,7 @@ void cLineBlockTracer::FixStartAboveWorld(void)
 {
 	// We must set the start Y to less than cChunkDef::Height so that it is considered inside the world later on
 	// Therefore we use an EPS-offset from the height, as small as reasonably possible.
-	const double Height = (double)cChunkDef::Height - 0.00001;
+	const double Height = static_cast<double>(cChunkDef::Height) - 0.00001;
 	CalcXZIntersection(Height, m_StartX, m_StartZ);
 	m_StartY = Height;
 }
diff --git a/src/LoggerListeners.cpp b/src/LoggerListeners.cpp
index 5c7097956..31b12af1e 100644
--- a/src/LoggerListeners.cpp
+++ b/src/LoggerListeners.cpp
@@ -3,6 +3,8 @@
 
 #include "LoggerListeners.h"
 
+#include <chrono>
+
 #if defined(_WIN32)
 	#include <io.h>  // Needed for _isatty(), not available on Linux
 	#include <time.h>
@@ -280,7 +282,13 @@ cFileListener::cFileListener(void)
 {
 	cFile::CreateFolder(FILE_IO_PREFIX + AString("logs"));
 	AString FileName;
-	FileName = Printf("%s%sLOG_%d.txt", FILE_IO_PREFIX, "logs/", (int)time(nullptr));
+	auto time = std::chrono::system_clock::now();
+	FileName = Printf(
+		"%s%sLOG_%d.txt",
+		FILE_IO_PREFIX,
+		"logs/",
+		std::chrono::duration_cast<std::chrono::duration<int, std::milli>>(time.time_since_epoch()).count()
+	);
 	m_File.Open(FileName, cFile::fmAppend);
 }
 
diff --git a/src/Map.cpp b/src/Map.cpp
index 5f296a5b2..48d7fb0ca 100644
--- a/src/Map.cpp
+++ b/src/Map.cpp
@@ -224,7 +224,7 @@ bool cMap::UpdatePixel(unsigned int a_X, unsigned int a_Z)
 				return false;
 			}
 
-			unsigned int PixelWidth = m_Map->GetPixelWidth();
+			unsigned int CallbackPixelWidth = m_Map->GetPixelWidth();
 
 			if (m_Map->GetDimension() == dimNether)
 			{
@@ -237,9 +237,9 @@ bool cMap::UpdatePixel(unsigned int a_X, unsigned int a_Z)
 			ColorCountMap ColorCounts;
 
 			// Count surface blocks
-			for (unsigned int X = m_RelX; X < m_RelX + PixelWidth; ++X)
+			for (unsigned int X = m_RelX; X < m_RelX + CallbackPixelWidth; ++X)
 			{
-				for (unsigned int Z = m_RelZ; Z < m_RelZ + PixelWidth; ++Z)
+				for (unsigned int Z = m_RelZ; Z < m_RelZ + CallbackPixelWidth; ++Z)
 				{
 					// unsigned int WaterDepth = 0;
 
diff --git a/src/MapManager.cpp b/src/MapManager.cpp
index fc67bd901..41b0d9e34 100644
--- a/src/MapManager.cpp
+++ b/src/MapManager.cpp
@@ -76,7 +76,7 @@ cMap * cMapManager::GetMapData(unsigned int a_ID)
 
 
 
-cMap * cMapManager::CreateMap(int a_CenterX, int a_CenterY, int a_Scale)
+cMap * cMapManager::CreateMap(int a_CenterX, int a_CenterY, unsigned int a_Scale)
 {
 	cCSLock Lock(m_CS);
 
@@ -86,7 +86,7 @@ cMap * cMapManager::CreateMap(int a_CenterX, int a_CenterY, int a_Scale)
 		return nullptr;
 	}
 
-	cMap Map((unsigned)m_MapData.size(), a_CenterX, a_CenterY, m_World, a_Scale);
+	cMap Map(static_cast<unsigned>(m_MapData.size()), a_CenterX, a_CenterY, m_World, a_Scale);
 
 	m_MapData.push_back(Map);
 
@@ -151,7 +151,7 @@ void cMapManager::SaveMapData(void)
 
 	cIDCountSerializer IDSerializer(m_World->GetName());
 
-	IDSerializer.SetMapCount((unsigned)m_MapData.size());
+	IDSerializer.SetMapCount(static_cast<unsigned>(m_MapData.size()));
 
 	if (!IDSerializer.Save())
 	{
diff --git a/src/MapManager.h b/src/MapManager.h
index 1059773c3..cacc6d816 100644
--- a/src/MapManager.h
+++ b/src/MapManager.h
@@ -36,7 +36,7 @@ public:
 	cMap * GetMapData(unsigned int a_ID);
 
 	/** Creates a new map. Returns nullptr on error */
-	cMap * CreateMap(int a_CenterX, int a_CenterY, int a_Scale = 3);
+	cMap * CreateMap(int a_CenterX, int a_CenterY, unsigned int a_Scale = 3);
 
 	/** Calls the callback for the map with the specified ID.
 	Returns true if the map was found and the callback called, false if map not found.
diff --git a/src/Matrix4.h b/src/Matrix4.h
index 61ea60bfd..0558fa5f3 100644
--- a/src/Matrix4.h
+++ b/src/Matrix4.h
@@ -76,8 +76,8 @@ public:
 
 	inline void RotateX(T a_RX)
 	{
-		T sx = (T) sin(a_RX * M_PI / 180);
-		T cx = (T) cos(a_RX * M_PI / 180);
+		T sx = static_cast<T>(sin(a_RX * M_PI / 180));
+		T cx = static_cast<T>(cos(a_RX * M_PI / 180));
 
 		Identity();
 
@@ -87,8 +87,8 @@ public:
 
 	inline void RotateY(T a_RY)
 	{
-		T sy = (T) sin(a_RY * M_PI / 180);
-		T cy = (T) cos(a_RY * M_PI / 180);
+		T sy = static_cast<T>(sin(a_RY * M_PI / 180));
+		T cy = static_cast<T>(cos(a_RY * M_PI / 180));
 
 		Identity();
 
diff --git a/src/MobCensus.cpp b/src/MobCensus.cpp
index 1a69d8370..79b5176d2 100644
--- a/src/MobCensus.cpp
+++ b/src/MobCensus.cpp
@@ -41,12 +41,17 @@ int cMobCensus::GetCapMultiplier(cMonster::eFamily a_MobFamily)
 		case cMonster::mfPassive: return 11;
 		case cMonster::mfAmbient: return 16;
 		case cMonster::mfWater:   return 5;
-		default:
+		case cMonster::mfNoSpawn:
+		case cMonster::mfUnhandled:
 		{
 			ASSERT(!"Unhandled mob family");
 			return -1;
 		}
 	}
+	#if !defined(__clang__)
+		ASSERT(!"Unknown mob family");
+		return -1;
+	#endif
 }
 
 
@@ -64,7 +69,7 @@ void cMobCensus::CollectSpawnableChunk(cChunk & a_Chunk)
 
 int cMobCensus::GetNumChunks(void)
 {
-	return (int)m_EligibleForSpawnChunks.size();
+	return static_cast<int>(m_EligibleForSpawnChunks.size());
 }
 
 
diff --git a/src/MobFamilyCollecter.cpp b/src/MobFamilyCollecter.cpp
index 6da330c83..c24ee48f5 100644
--- a/src/MobFamilyCollecter.cpp
+++ b/src/MobFamilyCollecter.cpp
@@ -18,7 +18,7 @@ void cMobFamilyCollecter::CollectMob(cMonster & a_Monster)
 
 int cMobFamilyCollecter::GetNumberOfCollectedMobs(cMonster::eFamily a_Family)
 {
-	return (int)m_Mobs[a_Family].size();
+	return static_cast<int>(m_Mobs[a_Family].size());
 }
 
 
diff --git a/src/MobSpawner.cpp b/src/MobSpawner.cpp
index 468b0cfb2..27dc5a877 100644
--- a/src/MobSpawner.cpp
+++ b/src/MobSpawner.cpp
@@ -110,7 +110,7 @@ eMonsterType cMobSpawner::ChooseMobType(EMCSBiome a_Biome)
 	if (allowedMobsSize > 0)
 	{
 		std::set<eMonsterType>::iterator itr = allowedMobs.begin();
-		int iRandom = m_Random.NextInt((int)allowedMobsSize);
+		int iRandom = m_Random.NextInt(static_cast<int>(allowedMobsSize));
 
 		for (int i = 0; i < iRandom; i++)
 		{
diff --git a/src/Mobs/AggressiveMonster.cpp b/src/Mobs/AggressiveMonster.cpp
index 648599999..7fde1e56b 100644
--- a/src/Mobs/AggressiveMonster.cpp
+++ b/src/Mobs/AggressiveMonster.cpp
@@ -30,7 +30,7 @@ void cAggressiveMonster::InStateChasing(std::chrono::milliseconds a_Dt)
 	{
 		if (m_Target->IsPlayer())
 		{
-			if (((cPlayer *)m_Target)->IsGameModeCreative())
+			if (static_cast<cPlayer *>(m_Target)->IsGameModeCreative())
 			{
 				m_EMState = IDLE;
 				return;
@@ -46,7 +46,7 @@ void cAggressiveMonster::InStateChasing(std::chrono::milliseconds a_Dt)
 
 void cAggressiveMonster::EventSeePlayer(cEntity * a_Entity)
 {
-	if (!((cPlayer *)a_Entity)->IsGameModeCreative())
+	if (!static_cast<cPlayer *>(a_Entity)->IsGameModeCreative())
 	{
 		super::EventSeePlayer(a_Entity);
 		m_EMState = CHASING;
@@ -80,9 +80,10 @@ void cAggressiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	Vector3d AttackDirection(m_Target->GetPosition() + Vector3d(0, m_Target->GetHeight(), 0) - MyHeadPosition);
 
 
-	if (ReachedFinalDestination() && !LineOfSight.Trace(MyHeadPosition, AttackDirection, static_cast<int>(AttackDirection.Length())))
+	if (TargetIsInRange() && !LineOfSight.Trace(MyHeadPosition, AttackDirection, static_cast<int>(AttackDirection.Length())))
 	{
 		// Attack if reached destination, target isn't null, and have a clear line of sight to target (so won't attack through walls)
+		StopMovingToPosition();
 		Attack(a_Dt);
 	}
 }
@@ -110,12 +111,12 @@ void cAggressiveMonster::Attack(std::chrono::milliseconds a_Dt)
 bool cAggressiveMonster::IsMovingToTargetPosition()
 {
 	// Difference between destination x and target x is negligible (to 10^-12 precision)
-	if (fabsf((float)m_FinalDestination.x - (float)m_Target->GetPosX()) < std::numeric_limits<float>::epsilon())
+	if (fabsf(static_cast<float>(m_FinalDestination.x) - static_cast<float>(m_Target->GetPosX())) < std::numeric_limits<float>::epsilon())
 	{
 		return false;
 	}
 	// Difference between destination z and target z is negligible (to 10^-12 precision)
-	else if (fabsf((float)m_FinalDestination.z - (float)m_Target->GetPosZ()) > std::numeric_limits<float>::epsilon())
+	else if (fabsf(static_cast<float>(m_FinalDestination.z) - static_cast<float>(m_Target->GetPosZ())) > std::numeric_limits<float>::epsilon())
 	{
 		return false;
 	}
diff --git a/src/Mobs/Blaze.cpp b/src/Mobs/Blaze.cpp
index d4ad24166..731da6b18 100644
--- a/src/Mobs/Blaze.cpp
+++ b/src/Mobs/Blaze.cpp
@@ -23,7 +23,7 @@ void cBlaze::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
 	if ((a_Killer != nullptr) && (a_Killer->IsPlayer() || a_Killer->IsA("cWolf")))
 	{
-		int LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
+		unsigned int LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
 		AddRandomDropItem(a_Drops, 0, 1 + LootingLevel, E_ITEM_BLAZE_ROD);
 	}
 }
diff --git a/src/Mobs/CMakeLists.txt b/src/Mobs/CMakeLists.txt
index ffbcdf3ea..e99494508 100644
--- a/src/Mobs/CMakeLists.txt
+++ b/src/Mobs/CMakeLists.txt
@@ -80,6 +80,12 @@ SET (HDRS
 	Zombie.h
 	ZombiePigman.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(Monster.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=switch -Wno-error=switch-enum -Wno-error=float-equal -Wno-error=old-style-cast")
+	set_source_files_properties(SnowGolem.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Villager.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Mobs ${SRCS} ${HDRS})
 endif()
diff --git a/src/Mobs/CaveSpider.cpp b/src/Mobs/CaveSpider.cpp
index fa530db82..a8b40f52e 100644
--- a/src/Mobs/CaveSpider.cpp
+++ b/src/Mobs/CaveSpider.cpp
@@ -34,7 +34,7 @@ void cCaveSpider::Attack(std::chrono::milliseconds a_Dt)
 	if (m_Target->IsPawn())
 	{
 		// TODO: Easy = no poison, Medium = 7 seconds, Hard = 15 seconds
-		((cPawn *) m_Target)->AddEntityEffect(cEntityEffect::effPoison, 7 * 20, 0);
+		static_cast<cPawn *>(m_Target)->AddEntityEffect(cEntityEffect::effPoison, 7 * 20, 0);
 	}
 }
 
@@ -44,7 +44,7 @@ void cCaveSpider::Attack(std::chrono::milliseconds a_Dt)
 
 void cCaveSpider::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Chicken.cpp b/src/Mobs/Chicken.cpp
index b2b21d4ae..a52d1a2da 100644
--- a/src/Mobs/Chicken.cpp
+++ b/src/Mobs/Chicken.cpp
@@ -48,7 +48,7 @@ void cChicken::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 
 void cChicken::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Cow.cpp b/src/Mobs/Cow.cpp
index 7dc6f3f37..a45010201 100644
--- a/src/Mobs/Cow.cpp
+++ b/src/Mobs/Cow.cpp
@@ -21,7 +21,7 @@ cCow::cCow(void) :
 
 void cCow::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Creeper.cpp b/src/Mobs/Creeper.cpp
index 41796402f..30bd41f13 100644
--- a/src/Mobs/Creeper.cpp
+++ b/src/Mobs/Creeper.cpp
@@ -27,7 +27,7 @@ void cCreeper::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
-	if (!ReachedFinalDestination() && !m_BurnedWithFlintAndSteel)
+	if (!TargetIsInRange() && !m_BurnedWithFlintAndSteel)
 	{
 		m_ExplodingTimer = 0;
 		m_bIsBlowing = false;
@@ -60,7 +60,7 @@ void cCreeper::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 		return;
 	}
 
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
@@ -124,7 +124,7 @@ void cCreeper::Attack(std::chrono::milliseconds a_Dt)
 
 	if (!m_bIsBlowing)
 	{
-		m_World->BroadcastSoundEffect("game.tnt.primed", GetPosX(), GetPosY(), GetPosZ(), 1.f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
+		m_World->BroadcastSoundEffect("game.tnt.primed", GetPosX(), GetPosY(), GetPosZ(), 1.f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
 		m_bIsBlowing = true;
 		m_World->BroadcastEntityMetadata(*this);
 	}
@@ -142,7 +142,7 @@ void cCreeper::OnRightClicked(cPlayer & a_Player)
 		{
 			a_Player.UseEquippedItem();
 		}
-		m_World->BroadcastSoundEffect("game.tnt.primed", GetPosX(), GetPosY(), GetPosZ(), 1.f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
+		m_World->BroadcastSoundEffect("game.tnt.primed", GetPosX(), GetPosY(), GetPosZ(), 1.f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
 		m_bIsBlowing = true;
 		m_World->BroadcastEntityMetadata(*this);
 		m_BurnedWithFlintAndSteel = true;
diff --git a/src/Mobs/Enderman.cpp b/src/Mobs/Enderman.cpp
index 42c33884a..30bf82067 100644
--- a/src/Mobs/Enderman.cpp
+++ b/src/Mobs/Enderman.cpp
@@ -55,7 +55,7 @@ public:
 		}
 		
 		cTracer LineOfSight(a_Player->GetWorld());
-		if (LineOfSight.Trace(m_EndermanPos, Direction, (int)Direction.Length()))
+		if (LineOfSight.Trace(m_EndermanPos, Direction, static_cast<int>(Direction.Length())))
 		{
 			// No direct line of sight
 			return false;
@@ -91,7 +91,7 @@ cEnderman::cEnderman(void) :
 
 void cEnderman::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Ghast.cpp b/src/Mobs/Ghast.cpp
index d17047ab7..15bbe484b 100644
--- a/src/Mobs/Ghast.cpp
+++ b/src/Mobs/Ghast.cpp
@@ -19,7 +19,7 @@ cGhast::cGhast(void) :
 
 void cGhast::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Guardian.cpp b/src/Mobs/Guardian.cpp
index 5eb30785b..1429e2b13 100644
--- a/src/Mobs/Guardian.cpp
+++ b/src/Mobs/Guardian.cpp
@@ -21,7 +21,7 @@ cGuardian::cGuardian(void) :
 void cGuardian::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
 	// Drops 0-3 Ink Sacs
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
@@ -37,19 +37,20 @@ void cGuardian::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 void cGuardian::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
+	m_IsFollowingPath = false;  // Disable Pathfinding until it's fixed. TODO
+
 	// We must first process current location, and only then tick, otherwise we risk processing a location in a chunk
 	// that is not where the entity currently resides (FS #411)
-	
 	Vector3d Pos = GetPosition();
 
 	// TODO: Not a real behavior, but cool :D
-	int RelY = (int)floor(Pos.y);
+	int RelY = FloorC(Pos.y);
 	if ((RelY < 0) || (RelY >= cChunkDef::Height))
 	{
 		return;
 	}
-	int RelX = (int)floor(Pos.x) - a_Chunk.GetPosX() * cChunkDef::Width;
-	int RelZ = (int)floor(Pos.z) - a_Chunk.GetPosZ() * cChunkDef::Width;
+	int RelX = FloorC(Pos.x) - a_Chunk.GetPosX() * cChunkDef::Width;
+	int RelZ = FloorC(Pos.z) - a_Chunk.GetPosZ() * cChunkDef::Width;
 	BLOCKTYPE BlockType;
 	if (a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockType) && !IsBlockWater(BlockType) && !IsOnFire())
 	{
diff --git a/src/Mobs/Horse.cpp b/src/Mobs/Horse.cpp
index 5b4c78bfc..ce3bd65eb 100644
--- a/src/Mobs/Horse.cpp
+++ b/src/Mobs/Horse.cpp
@@ -55,10 +55,10 @@ void cHorse::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 		{
 			if (m_World->GetTickRandomNumber(50) == 25)
 			{
-				m_World->BroadcastSoundParticleEffect(2000, (int)GetPosX(), (int)GetPosY(), (int)GetPosZ(), 0);
-				m_World->BroadcastSoundParticleEffect(2000, (int)GetPosX(), (int)GetPosY(), (int)GetPosZ(), 2);
-				m_World->BroadcastSoundParticleEffect(2000, (int)GetPosX(), (int)GetPosY(), (int)GetPosZ(), 6);
-				m_World->BroadcastSoundParticleEffect(2000, (int)GetPosX(), (int)GetPosY(), (int)GetPosZ(), 8);
+				m_World->BroadcastSoundParticleEffect(2000, FloorC(GetPosX()), FloorC(GetPosY()), FloorC(GetPosZ()), 0);
+				m_World->BroadcastSoundParticleEffect(2000, FloorC(GetPosX()), FloorC(GetPosY()), FloorC(GetPosZ()), 2);
+				m_World->BroadcastSoundParticleEffect(2000, FloorC(GetPosX()), FloorC(GetPosY()), FloorC(GetPosZ()), 6);
+				m_World->BroadcastSoundParticleEffect(2000, FloorC(GetPosX()), FloorC(GetPosY()), FloorC(GetPosZ()), 8);
 
 				m_Attachee->Detach();
 				m_bIsRearing = true;
@@ -140,7 +140,7 @@ void cHorse::OnRightClicked(cPlayer & a_Player)
 
 void cHorse::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index f5d961096..8d71c54e8 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -169,7 +169,7 @@ bool cMonster::TickPathFinding(cChunk & a_Chunk)
 		m_NoPathToTarget = false;
 		m_NoMoreWayPoints = false;
 		m_PathFinderDestination = m_FinalDestination;
-		m_Path = new cPath(a_Chunk, GetPosition().Floor(), m_PathFinderDestination.Floor(), 20);
+		m_Path = new cPath(a_Chunk, GetPosition(), m_PathFinderDestination, 20, GetWidth(), GetHeight());
 	}
 
 	switch (m_Path->Step(a_Chunk))
@@ -183,7 +183,7 @@ bool cMonster::TickPathFinding(cChunk & a_Chunk)
 
 		case ePathFinderStatus::PATH_NOT_FOUND:
 		{
-			ResetPathFinding();  // Try to calculate a path again.
+			StopMovingToPosition();  // Try to calculate a path again.
 			// Note that the next time may succeed, e.g. if a player breaks a barrier.
 			break;
 		}
@@ -196,14 +196,22 @@ bool cMonster::TickPathFinding(cChunk & a_Chunk)
 		{
 			if (m_NoMoreWayPoints || (--m_GiveUpCounter == 0))
 			{
-				ResetPathFinding();  // Try to calculate a path again.
+				if (m_EMState == ATTACKING)
+				{
+					ResetPathFinding();  // Try to calculate a path again.
+					// This results in mobs hanging around an unreachable target (player).
+				}
+				else
+				{
+					StopMovingToPosition();  // Find a different place to go to.
+				}
 				return false;
 			}
 			else if (!m_Path->IsLastPoint())  // Have we arrived at the next cell, as denoted by m_NextWayPointPosition?
 			{
 				if ((m_Path->IsFirstPoint() || ReachedNextWaypoint()))
 				{
-					m_NextWayPointPosition = Vector3d(0.5, 0, 0.5) + m_Path->GetNextPoint();
+					m_NextWayPointPosition = m_Path->GetNextPoint();
 					m_GiveUpCounter = 40;  // Give up after 40 ticks (2 seconds) if failed to reach m_NextWayPointPosition.
 				}
 			}
@@ -391,6 +399,7 @@ void cMonster::MoveToPosition(const Vector3d & a_Position)
 void cMonster::StopMovingToPosition()
 {
 	m_IsFollowingPath = false;
+	ResetPathFinding();
 }
 
 
@@ -508,8 +517,15 @@ void cMonster::SetPitchAndYawFromDestination()
 	}
 
 
-
-	Vector3d BodyDistance = m_NextWayPointPosition - GetPosition();
+	Vector3d BodyDistance;
+	if (!m_IsFollowingPath && (m_Target != nullptr))
+	{
+		BodyDistance = m_Target->GetPosition() - GetPosition();
+	}
+	else
+	{
+		BodyDistance = m_NextWayPointPosition - GetPosition();
+	}
 	double BodyRotation, BodyPitch;
 	BodyDistance.Normalize();
 	VectorToEuler(BodyDistance.x, BodyDistance.y, BodyDistance.z, BodyRotation, BodyPitch);
@@ -520,7 +536,7 @@ void cMonster::SetPitchAndYawFromDestination()
 		double HeadRotation, HeadPitch;
 		Distance.Normalize();
 		VectorToEuler(Distance.x, Distance.y, Distance.z, HeadRotation, HeadPitch);
-		if (std::abs(BodyRotation - HeadRotation) < 120)
+		if (std::abs(BodyRotation - HeadRotation) < 90)
 		{
 			SetHeadYaw(HeadRotation);
 			SetPitch(-HeadPitch);
@@ -1138,10 +1154,10 @@ void cMonster::AddRandomUncommonDropItem(cItems & a_Drops, float a_Chance, short
 
 
 
-void cMonster::AddRandomRareDropItem(cItems & a_Drops, cItems & a_Items, short a_LootingLevel)
+void cMonster::AddRandomRareDropItem(cItems & a_Drops, cItems & a_Items, unsigned int a_LootingLevel)
 {
 	MTRand r1;
-	int Count = r1.randInt() % 200;
+	unsigned int Count = r1.randInt() % 200;
 	if (Count < (5 + a_LootingLevel))
 	{
 		int Rare = r1.randInt() % a_Items.Size();
@@ -1153,7 +1169,7 @@ void cMonster::AddRandomRareDropItem(cItems & a_Drops, cItems & a_Items, short a
 
 
 
-void cMonster::AddRandomArmorDropItem(cItems & a_Drops, short a_LootingLevel)
+void cMonster::AddRandomArmorDropItem(cItems & a_Drops, unsigned int a_LootingLevel)
 {
 	MTRand r1;
 	if (r1.randInt() % 200 < ((m_DropChanceHelmet * 200) + (a_LootingLevel * 2)))
@@ -1193,7 +1209,7 @@ void cMonster::AddRandomArmorDropItem(cItems & a_Drops, short a_LootingLevel)
 
 
 
-void cMonster::AddRandomWeaponDropItem(cItems & a_Drops, short a_LootingLevel)
+void cMonster::AddRandomWeaponDropItem(cItems & a_Drops, unsigned int a_LootingLevel)
 {
 	MTRand r1;
 	if (r1.randInt() % 200 < ((m_DropChanceWeapon * 200) + (a_LootingLevel * 2)))
diff --git a/src/Mobs/Monster.h b/src/Mobs/Monster.h
index c4043b0e5..1076c9544 100644
--- a/src/Mobs/Monster.h
+++ b/src/Mobs/Monster.h
@@ -193,13 +193,16 @@ protected:
 	If no suitable position is found, returns cChunkDef::Height. */
 	int FindFirstNonAirBlockPosition(double a_PosX, double a_PosZ);
 
-	/** Returns if the ultimate, final destination has been reached */
-	bool ReachedFinalDestination(void) { return ((m_FinalDestination - GetPosition()).SqrLength() < (m_AttackRange * m_AttackRange)); }
+	/** Returns if the ultimate, final destination has been reached. */
+	bool ReachedFinalDestination(void) { return ((m_FinalDestination - GetPosition()).Length() < GetWidth()/2); }
+
+	/** Returns whether or not the target is close enough for attack. */
+	bool TargetIsInRange(void) { return ((m_FinalDestination - GetPosition()).SqrLength() < (m_AttackRange * m_AttackRange)); }
 
 	/** Returns if the intermediate waypoint of m_NextWayPointPosition has been reached */
 	bool ReachedNextWaypoint(void) { return ((m_NextWayPointPosition - GetPosition()).SqrLength() < 0.25); }
 
-	/** Returns if a monster can reach a given height by jumping */
+	/** Returns if a monster can reach a given height by jumping. */
 	inline bool DoesPosYRequireJump(int a_PosY)
 	{
 		return ((a_PosY > POSY_TOINT) && (a_PosY == POSY_TOINT + 1));
@@ -274,13 +277,13 @@ protected:
 	void AddRandomUncommonDropItem(cItems & a_Drops, float a_Chance, short a_Item, short a_ItemHealth = 0);
 
 	/** Adds one rare item out of the list of rare items a_Items modified by the looting level a_LootingLevel(I-III or custom) to the itemdrop a_Drops*/
-	void AddRandomRareDropItem(cItems & a_Drops, cItems & a_Items, short a_LootingLevel);
+	void AddRandomRareDropItem(cItems & a_Drops, cItems & a_Items, unsigned int a_LootingLevel);
 
 	/** Adds armor that is equipped with the chance saved in m_DropChance[...] (this will be greter than 1 if piccked up or 0.085 + (0.01 per LootingLevel) if born with) to the drop*/
-	void AddRandomArmorDropItem(cItems & a_Drops, short a_LootingLevel);
+	void AddRandomArmorDropItem(cItems & a_Drops, unsigned int a_LootingLevel);
 
 	/** Adds weapon that is equipped with the chance saved in m_DropChance[...] (this will be greter than 1 if piccked up or 0.085 + (0.01 per LootingLevel) if born with) to the drop*/
-	void AddRandomWeaponDropItem(cItems & a_Drops, short a_LootingLevel);
+	void AddRandomWeaponDropItem(cItems & a_Drops, unsigned int a_LootingLevel);
 
 
 } ;  // tolua_export
diff --git a/src/Mobs/Mooshroom.cpp b/src/Mobs/Mooshroom.cpp
index ec533cfca..3b2fbad57 100644
--- a/src/Mobs/Mooshroom.cpp
+++ b/src/Mobs/Mooshroom.cpp
@@ -24,7 +24,7 @@ cMooshroom::cMooshroom(void) :
 
 void cMooshroom::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/PassiveAggressiveMonster.cpp b/src/Mobs/PassiveAggressiveMonster.cpp
index cb8650cb9..f5577f71f 100644
--- a/src/Mobs/PassiveAggressiveMonster.cpp
+++ b/src/Mobs/PassiveAggressiveMonster.cpp
@@ -28,7 +28,7 @@ bool cPassiveAggressiveMonster::DoTakeDamage(TakeDamageInfo & a_TDI)
 	
 	if ((m_Target != nullptr) && (m_Target->IsPlayer()))
 	{
-		if (!((cPlayer *)m_Target)->IsGameModeCreative())
+		if (!static_cast<cPlayer *>(m_Target)->IsGameModeCreative())
 		{
 			m_EMState = CHASING;
 		}
diff --git a/src/Mobs/PassiveMonster.cpp b/src/Mobs/PassiveMonster.cpp
index 012ca9949..c220a7128 100644
--- a/src/Mobs/PassiveMonster.cpp
+++ b/src/Mobs/PassiveMonster.cpp
@@ -48,7 +48,7 @@ void cPassiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	{
 		return;
 	}
-	cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), (float)m_SightDistance);
+	cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), static_cast<float>(m_SightDistance));
 	if (a_Closest_Player != nullptr)
 	{
 		if (a_Closest_Player->GetEquippedItem().IsEqual(FollowedItem))
diff --git a/src/Mobs/Path.cpp b/src/Mobs/Path.cpp
index eba29be7e..e987381f7 100644
--- a/src/Mobs/Path.cpp
+++ b/src/Mobs/Path.cpp
@@ -6,6 +6,7 @@
 #include "Path.h"
 #include "../Chunk.h"
 
+#define JUMP_G_COST 20
 
 #define DISTANCE_MANHATTAN 0  // 1: More speed, a bit less accuracy 0: Max accuracy, less speed.
 #define HEURISTICS_ONLY 0  // 1: Much more speed, much less accurate.
@@ -31,12 +32,11 @@ bool compareHeuristics::operator()(cPathCell * & a_Cell1, cPathCell * & a_Cell2)
 /* cPath implementation */
 cPath::cPath(
 	cChunk & a_Chunk,
-	const Vector3i & a_StartingPoint, const Vector3i & a_EndingPoint, int a_MaxSteps,
+	const Vector3d & a_StartingPoint, const Vector3d & a_EndingPoint, int a_MaxSteps,
 	double a_BoundingBoxWidth, double a_BoundingBoxHeight,
 	int a_MaxUp, int a_MaxDown
 ) :
-	m_Destination(a_EndingPoint.Floor()),
-	m_Source(a_StartingPoint.Floor()),
+
 	m_CurrentPoint(0),  // GetNextPoint increments this to 1, but that's fine, since the first cell is always a_StartingPoint
 	m_Chunk(&a_Chunk),
 	m_BadChunkFound(false)
@@ -44,6 +44,21 @@ cPath::cPath(
 	// TODO: if src not walkable OR dest not walkable, then abort.
 	// Borrow a new "isWalkable" from ProcessIfWalkable, make ProcessIfWalkable also call isWalkable
 
+	a_BoundingBoxWidth = 1;  // Until we improve physics, if ever.
+
+	m_BoundingBoxWidth = CeilC(a_BoundingBoxWidth);
+	m_BoundingBoxHeight = CeilC(a_BoundingBoxHeight);
+	m_HalfWidth = a_BoundingBoxWidth / 2;
+
+	int HalfWidthInt = FloorC(a_BoundingBoxWidth / 2);
+	m_Source.x = FloorC(a_StartingPoint.x - HalfWidthInt);
+	m_Source.y = FloorC(a_StartingPoint.y);
+	m_Source.z = FloorC(a_StartingPoint.z - HalfWidthInt);
+
+	m_Destination.x = FloorC(a_EndingPoint.x - HalfWidthInt);
+	m_Destination.y = FloorC(a_EndingPoint.y);
+	m_Destination.z = FloorC(a_EndingPoint.z - HalfWidthInt);
+
 	if (GetCell(m_Source)->m_IsSolid || GetCell(m_Destination)->m_IsSolid)
 	{
 		m_Status = ePathFinderStatus::PATH_NOT_FOUND;
@@ -142,13 +157,19 @@ bool cPath::IsSolid(const Vector3i & a_Location)
 	int RelZ = a_Location.z - m_Chunk->GetPosZ() * cChunkDef::Width;
 
 	m_Chunk->GetBlockTypeMeta(RelX, a_Location.y, RelZ, BlockType, BlockMeta);
-	if ((BlockType == E_BLOCK_FENCE) || (BlockType == E_BLOCK_FENCE_GATE))
+	if (
+			(BlockType == E_BLOCK_FENCE) ||
+			(BlockType == E_BLOCK_FENCE_GATE) ||
+			(BlockType == E_BLOCK_NETHER_BRICK_FENCE) ||
+			((BlockType >= E_BLOCK_SPRUCE_FENCE_GATE) && (BlockType <= E_BLOCK_ACACIA_FENCE))
+	)
 	{
+		// TODO move this out of IsSolid to a proper place.
 		GetCell(a_Location + Vector3i(0, 1, 0))->m_IsSolid = true;  // Mobs will always think that the fence is 2 blocks high and therefore won't jump over.
 	}
 	if (BlockType == E_BLOCK_STATIONARY_WATER)
 	{
-		GetCell(a_Location + Vector3i(0, -1, 0))->m_IsSolid = true;  // Mobs will always think that the fence is 2 blocks high and therefore won't jump over.
+		GetCell(a_Location + Vector3i(0, -1, 0))->m_IsSolid = true;
 	}
 
 	return cBlockInfo::IsSolid(BlockType);
@@ -179,7 +200,7 @@ bool cPath::Step_Internal()
 
 	// Calculation not finished yet.
 	// Check if we have a new NearestPoint.
-
+	// TODO I don't like this that much, there should be a smarter way.
 	if ((m_Destination - CurrentCell->m_Location).Length() < 5)
 	{
 		if (m_Rand.NextInt(4) == 0)
@@ -193,21 +214,50 @@ bool cPath::Step_Internal()
 	}
 	// process a currentCell by inspecting all neighbors.
 
-	// Check North, South, East, West on all 3 different heights.
-	int i;
-	for (i = -1; i <= 1; ++i)
+
+	// Check North, South, East, West on our height.
+	ProcessIfWalkable(CurrentCell->m_Location + Vector3i(1, 0, 0),  CurrentCell, 10);
+	ProcessIfWalkable(CurrentCell->m_Location + Vector3i(-1, 0, 0), CurrentCell, 10);
+	ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, 0, 1),  CurrentCell, 10);
+	ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, 0, -1), CurrentCell, 10);
+
+	// Check diagonals on XY plane.
+	// x = -1: west, x = 1: east.
+	for (int x = -1; x <= 1; x += 2)
 	{
-		ProcessIfWalkable(CurrentCell->m_Location + Vector3i(1, i, 0),  CurrentCell, 10);
-		ProcessIfWalkable(CurrentCell->m_Location + Vector3i(-1, i, 0), CurrentCell, 10);
-		ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, i, 1),  CurrentCell, 10);
-		ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, i, -1), CurrentCell, 10);
+		if (GetCell(CurrentCell->m_Location + Vector3i(x, 0, 0))->m_IsSolid)  // If there's a solid our east / west.
+		{
+			if (!GetCell(CurrentCell->m_Location + Vector3i(0, 1, 0))->m_IsSolid)  // If there isn't a solid above.
+			{
+				ProcessIfWalkable(CurrentCell->m_Location + Vector3i(x, 1, 0), CurrentCell, JUMP_G_COST);  // Check east-up / west-up.
+			}
+		}
+		else
+		{
+			ProcessIfWalkable(CurrentCell->m_Location + Vector3i(x, -1, 0), CurrentCell, 14);  // Else check east-down / west-down.
+		}
+	}
+
+	// Check diagonals on the YZ plane.
+	for (int z = -1; z <= 1; z += 2)
+	{
+		if (GetCell(CurrentCell->m_Location + Vector3i(0, 0, z))->m_IsSolid)  // If there's a solid our north / south.
+		{
+			if (!GetCell(CurrentCell->m_Location + Vector3i(0, 1, 0))->m_IsSolid)  // If there isn't a solid above.
+			{
+				ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, 1, z), CurrentCell, JUMP_G_COST);  // Check north-up / south-up.
+			}
+		}
+		else
+		{
+			ProcessIfWalkable(CurrentCell->m_Location + Vector3i(0, -1, z), CurrentCell, 14);  // Else check north-down / south-down.
+		}
 	}
 
-	// Check diagonals on mob's height only.
-	int x, z;
-	for (x = -1; x <= 1; x += 2)
+	// Check diagonals on the XZ plane. (Normal diagonals, this plane is special because of gravity, etc)
+	for (int x = -1; x <= 1; x += 2)
 	{
-		for (z = -1; z <= 1; z += 2)
+		for (int z = -1; z <= 1; z += 2)
 		{
 			// This condition prevents diagonal corner cutting.
 			if (!GetCell(CurrentCell->m_Location + Vector3i(x, 0, 0))->m_IsSolid && !GetCell(CurrentCell->m_Location + Vector3i(0, 0, z))->m_IsSolid)
@@ -320,7 +370,53 @@ si::setBlock((Ret)->m_Location.x, (Ret)->m_Location.y, (Ret)->m_Location.z, debu
 void cPath::ProcessIfWalkable(const Vector3i & a_Location, cPathCell * a_Parent, int a_Cost)
 {
 	cPathCell * cell = GetCell(a_Location);
-	if (!cell->m_IsSolid && GetCell(a_Location + Vector3i(0, -1, 0))->m_IsSolid && !GetCell(a_Location + Vector3i(0, 1, 0))->m_IsSolid)
+	int x, y, z;
+
+	// Make sure we fit in the position.
+	for (y = 0; y < m_BoundingBoxHeight; ++y)
+	{
+		for (x = 0; x < m_BoundingBoxWidth; ++x)
+		{
+			for (z = 0; z < m_BoundingBoxWidth; ++z)
+			{
+				if (GetCell(a_Location + Vector3i(x, y, z))->m_IsSolid)
+				{
+					return;
+				}
+			}
+		}
+	}
+
+	/*y =-1;
+	for (x = 0; x < m_BoundingBoxWidth; ++x)
+	{
+		for (z = 0; z < m_BoundingBoxWidth; ++z)
+		{
+			if (!GetCell(a_Location + Vector3i(x, y, z))->m_IsSolid)
+			{
+				return;
+			}
+		}
+	}
+	ProcessCell(cell, a_Parent, a_Cost);*/
+
+	// Make sure there's at least 1 piece of solid below us.
+
+	bool GroundFlag = false;
+	y =-1;
+	for (x = 0; x < m_BoundingBoxWidth; ++x)
+	{
+		for (z = 0; z < m_BoundingBoxWidth; ++z)
+		{
+			if (GetCell(a_Location + Vector3i(x, y, z))->m_IsSolid)
+			{
+				GroundFlag = true;
+				break;
+			}
+		}
+	}
+
+	if (GroundFlag)
 	{
 		ProcessCell(cell, a_Parent, a_Cost);
 	}
diff --git a/src/Mobs/Path.h b/src/Mobs/Path.h
index b296bbdf5..c250eece2 100644
--- a/src/Mobs/Path.h
+++ b/src/Mobs/Path.h
@@ -68,8 +68,8 @@ public:
 	@param a_MaxSteps The maximum steps before giving up. */
 	cPath(
 		cChunk & a_Chunk,
-		const Vector3i & a_StartingPoint, const Vector3i & a_EndingPoint, int a_MaxSteps,
-		double a_BoundingBoxWidth = 1, double a_BoundingBoxHeight = 2,
+		const Vector3d & a_StartingPoint, const Vector3d & a_EndingPoint, int a_MaxSteps,
+		double a_BoundingBoxWidth, double a_BoundingBoxHeight,
 		int a_MaxUp = 1, int a_MaxDown = 1
 	);
 
@@ -89,10 +89,11 @@ public:
 
 	/* Point retrieval functions, inlined for performance. */
 	/** Returns the next point in the path. */
-	inline Vector3i GetNextPoint()
+	inline Vector3d GetNextPoint()
 	{
 		ASSERT(m_Status == ePathFinderStatus::PATH_FOUND);
-		return m_PathPoints[m_PathPoints.size() - 1 - (++m_CurrentPoint)];
+		Vector3i Point = m_PathPoints[m_PathPoints.size() - 1 - (++m_CurrentPoint)];
+		return Vector3d(Point.x + m_HalfWidth, Point.y, Point.z + m_HalfWidth);
 	}
 	/** Checks whether this is the last point or not. Never call getnextPoint when this is true. */
 	inline bool IsLastPoint()
@@ -106,14 +107,15 @@ public:
 		return (m_CurrentPoint == 0);
 	}
 	/** Get the point at a_index. Remark: Internally, the indexes are reversed. */
-	inline Vector3i GetPoint(size_t a_index)
+	inline Vector3d GetPoint(size_t a_index)
 	{
 		ASSERT(m_Status == ePathFinderStatus::PATH_FOUND);
 		ASSERT(a_index < m_PathPoints.size());
-		return m_PathPoints[m_PathPoints.size() - 1 - a_index];
+		Vector3i Point = m_PathPoints[m_PathPoints.size() - 1 - a_index];
+		return Vector3d(Point.x + m_HalfWidth, Point.y, Point.z + m_HalfWidth);
 	}
 	/** Returns the total number of points this path has. */
-	inline int GetPointCount()
+	inline size_t GetPointCount()
 	{
 		if (m_Status != ePathFinderStatus::PATH_FOUND)
 		{
@@ -128,13 +130,13 @@ public:
 		{
 			// Guaranteed to have no hash collisions for any 128x128x128 area. Suitable for pathfinding.
 			int32_t t = 0;
-			t += (int8_t)a_Vector.x;
+			t += static_cast<int8_t>(a_Vector.x);
 			t = t << 8;
-			t += (int8_t)a_Vector.y;
+			t += static_cast<int8_t>(a_Vector.y);
 			t = t << 8;
-			t += (int8_t)a_Vector.z;
+			t += static_cast<int8_t>(a_Vector.z);
 			t = t << 8;
-			return (size_t)t;
+			return static_cast<size_t>(t);
 		}
 	};
 private:
@@ -161,6 +163,9 @@ private:
 	std::unordered_map<Vector3i, cPathCell, VectorHasher> m_Map;
 	Vector3i m_Destination;
 	Vector3i m_Source;
+	int m_BoundingBoxWidth;
+	int m_BoundingBoxHeight;
+	double m_HalfWidth;
 	int m_StepsLeft;
 	cPathCell * m_NearestPointToTarget;
 	cFastRandom m_Rand;
diff --git a/src/Mobs/Pig.cpp b/src/Mobs/Pig.cpp
index 56d6abfd5..efa779ac2 100644
--- a/src/Mobs/Pig.cpp
+++ b/src/Mobs/Pig.cpp
@@ -21,7 +21,7 @@ cPig::cPig(void) :
 
 void cPig::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Rabbit.cpp b/src/Mobs/Rabbit.cpp
index cf49d2744..c7f3d58f0 100644
--- a/src/Mobs/Rabbit.cpp
+++ b/src/Mobs/Rabbit.cpp
@@ -20,7 +20,7 @@ cRabbit::cRabbit(void) :
 
 void cRabbit::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Sheep.cpp b/src/Mobs/Sheep.cpp
index ec24f167e..dcfef8135 100644
--- a/src/Mobs/Sheep.cpp
+++ b/src/Mobs/Sheep.cpp
@@ -37,10 +37,10 @@ void cSheep::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
 	if (!m_IsSheared)
 	{
-		a_Drops.push_back(cItem(E_BLOCK_WOOL, 1, m_WoolColor));
+		a_Drops.push_back(cItem(E_BLOCK_WOOL, 1, static_cast<short>(m_WoolColor)));
 	}
 
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
@@ -65,7 +65,7 @@ void cSheep::OnRightClicked(cPlayer & a_Player)
 
 		cItems Drops;
 		int NumDrops = m_World->GetTickRandomNumber(2) + 1;
-		Drops.push_back(cItem(E_BLOCK_WOOL, NumDrops, m_WoolColor));
+		Drops.push_back(cItem(E_BLOCK_WOOL, static_cast<char>(NumDrops), static_cast<short>(m_WoolColor)));
 		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ(), 10);
 		m_World->BroadcastSoundEffect("mob.sheep.shear", GetPosX(), GetPosY(), GetPosZ(), 1.0f, 1.0f);
 	}
diff --git a/src/Mobs/Skeleton.cpp b/src/Mobs/Skeleton.cpp
index f99404669..767e5b95c 100644
--- a/src/Mobs/Skeleton.cpp
+++ b/src/Mobs/Skeleton.cpp
@@ -22,7 +22,7 @@ cSkeleton::cSkeleton(bool IsWither) :
 
 void cSkeleton::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
@@ -50,12 +50,13 @@ void cSkeleton::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 void cSkeleton::Attack(std::chrono::milliseconds a_Dt)
 {
+	cFastRandom Random;
 	m_AttackInterval += (static_cast<float>(a_Dt.count()) / 1000) * m_AttackRate;
 	if ((m_Target != nullptr) && (m_AttackInterval > 3.0))
 	{
-		// Setting this higher gives us more wiggle room for attackrate
-		Vector3d Speed = GetLookVector() * 20;
-		Speed.y = Speed.y + 1;
+		Vector3d Inaccuracy = Vector3d(Random.NextFloat(0.5) - 0.25, Random.NextFloat(0.5) - 0.25, Random.NextFloat(0.5) - 0.25);
+		Vector3d Speed = (m_Target->GetPosition() + Inaccuracy - GetPosition()) * 5;
+		Speed.y = Speed.y - 1 + Random.NextInt(3);
 		cArrowEntity * Arrow = new cArrowEntity(this, GetPosX(), GetPosY() + 1, GetPosZ(), Speed);
 		if (Arrow == nullptr)
 		{
diff --git a/src/Mobs/Slime.cpp b/src/Mobs/Slime.cpp
index 7fc4821d8..4988d1082 100644
--- a/src/Mobs/Slime.cpp
+++ b/src/Mobs/Slime.cpp
@@ -29,7 +29,7 @@ cSlime::cSlime(int a_Size) :
 
 void cSlime::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Spider.cpp b/src/Mobs/Spider.cpp
index deb263c41..184a1d912 100644
--- a/src/Mobs/Spider.cpp
+++ b/src/Mobs/Spider.cpp
@@ -18,7 +18,7 @@ cSpider::cSpider(void) :
 
 void cSpider::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Squid.cpp b/src/Mobs/Squid.cpp
index 3c508b65f..30fbfa1ff 100644
--- a/src/Mobs/Squid.cpp
+++ b/src/Mobs/Squid.cpp
@@ -21,7 +21,7 @@ cSquid::cSquid(void) :
 void cSquid::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
 	// Drops 0-3 Ink Sacs
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
@@ -35,19 +35,20 @@ void cSquid::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 void cSquid::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
+	m_IsFollowingPath = false;  // Disable Pathfinding until it's fixed. TODO
+
 	// We must first process current location, and only then tick, otherwise we risk processing a location in a chunk
 	// that is not where the entity currently resides (FS #411)
-	
 	Vector3d Pos = GetPosition();
 
 	// TODO: Not a real behavior, but cool :D
-	int RelY = (int)floor(Pos.y);
+	int RelY = FloorC(Pos.y);
 	if ((RelY < 0) || (RelY >= cChunkDef::Height))
 	{
 		return;
 	}
-	int RelX = (int)floor(Pos.x) - a_Chunk.GetPosX() * cChunkDef::Width;
-	int RelZ = (int)floor(Pos.z) - a_Chunk.GetPosZ() * cChunkDef::Width;
+	int RelX = FloorC(Pos.x) - a_Chunk.GetPosX() * cChunkDef::Width;
+	int RelZ = FloorC(Pos.z) - a_Chunk.GetPosZ() * cChunkDef::Width;
 	BLOCKTYPE BlockType;
 	if (a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockType) && !IsBlockWater(BlockType) && !IsOnFire())
 	{
diff --git a/src/Mobs/Witch.cpp b/src/Mobs/Witch.cpp
index a3cadbaa0..1f672b4f7 100644
--- a/src/Mobs/Witch.cpp
+++ b/src/Mobs/Witch.cpp
@@ -19,7 +19,7 @@ cWitch::cWitch(void) :
 
 void cWitch::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/Wolf.cpp b/src/Mobs/Wolf.cpp
index 3c2ec1520..7b5953523 100644
--- a/src/Mobs/Wolf.cpp
+++ b/src/Mobs/Wolf.cpp
@@ -20,6 +20,7 @@ cWolf::cWolf(void) :
 	m_OwnerName(""),
 	m_CollarColor(14)
 {
+	m_RelativeWalkSpeed = 2;
 }
 
 
@@ -50,7 +51,7 @@ void cWolf::Attack(std::chrono::milliseconds a_Dt)
 
 	if ((m_Target != nullptr) && (m_Target->IsPlayer()))
 	{
-		if (((cPlayer *)m_Target)->GetName() != m_OwnerName)
+		if (static_cast<cPlayer *>(m_Target)->GetName() != m_OwnerName)
 		{
 			super::Attack(a_Dt);
 		}
@@ -157,7 +158,7 @@ void cWolf::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 		super::Tick(a_Dt, a_Chunk);
 	}
 
-	cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), (float)m_SightDistance);
+	cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), static_cast<float>(m_SightDistance));
 	if (a_Closest_Player != nullptr)
 	{
 		switch (a_Closest_Player->GetEquippedItem().m_ItemType)
@@ -230,7 +231,7 @@ void cWolf::TickFollowPlayer()
 	{
 		// The player is present in the world, follow him:
 		double Distance = (Callback.OwnerPos - GetPosition()).Length();
-		if (Distance > 30)
+		if (Distance > 20)
 		{
 			Callback.OwnerPos.y = FindFirstNonAirBlockPosition(Callback.OwnerPos.x, Callback.OwnerPos.z);
 			TeleportToCoords(Callback.OwnerPos.x, Callback.OwnerPos.y, Callback.OwnerPos.z);
diff --git a/src/Mobs/Zombie.cpp b/src/Mobs/Zombie.cpp
index fa4ac855d..a5b44e6c0 100644
--- a/src/Mobs/Zombie.cpp
+++ b/src/Mobs/Zombie.cpp
@@ -23,7 +23,7 @@ cZombie::cZombie(bool a_IsVillagerZombie) :
 
 void cZombie::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/Mobs/ZombiePigman.cpp b/src/Mobs/ZombiePigman.cpp
index 8b415b0af..96d587287 100644
--- a/src/Mobs/ZombiePigman.cpp
+++ b/src/Mobs/ZombiePigman.cpp
@@ -18,7 +18,7 @@ cZombiePigman::cZombiePigman(void) :
 
 void cZombiePigman::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 {
-	int LootingLevel = 0;
+	unsigned int LootingLevel = 0;
 	if (a_Killer != nullptr)
 	{
 		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
diff --git a/src/MonsterConfig.cpp b/src/MonsterConfig.cpp
index ae2cbbc6b..278e67b93 100644
--- a/src/MonsterConfig.cpp
+++ b/src/MonsterConfig.cpp
@@ -64,7 +64,7 @@ void cMonsterConfig::Initialize()
 		return;
 	}
 	
-	for (int i = (int)MonstersIniFile.GetNumKeys(); i >= 0; i--)
+	for (int i = static_cast<int>(MonstersIniFile.GetNumKeys()); i >= 0; i--)
 	{
 		sAttributesStruct Attributes;
 		AString Name = MonstersIniFile.GetKeyName(i);
@@ -93,7 +93,7 @@ void cMonsterConfig::AssignAttributes(cMonster * a_Monster, const AString & a_Na
 			a_Monster->SetAttackDamage (itr->m_AttackDamage);
 			a_Monster->SetAttackRange  (itr->m_AttackRange);
 			a_Monster->SetSightDistance(itr->m_SightDistance);
-			a_Monster->SetAttackRate   ((float)itr->m_AttackRate);
+			a_Monster->SetAttackRate   (static_cast<float>(itr->m_AttackRate));
 			a_Monster->SetMaxHealth    (itr->m_MaxHealth);
 			a_Monster->SetIsFireproof  (itr->m_IsFireproof);
 			return;
diff --git a/src/Noise/CMakeLists.txt b/src/Noise/CMakeLists.txt
index e1837500f..ab4cf031b 100644
--- a/src/Noise/CMakeLists.txt
+++ b/src/Noise/CMakeLists.txt
@@ -14,6 +14,10 @@ SET (HDRS
 	RidgedNoise.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(Noise.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Noise ${SRCS} ${HDRS})
 
diff --git a/src/Noise/Noise.cpp b/src/Noise/Noise.cpp
index d11c47bc2..703ec3d30 100644
--- a/src/Noise/Noise.cpp
+++ b/src/Noise/Noise.cpp
@@ -112,22 +112,22 @@ public:
 ////////////////////////////////////////////////////////////////////////////////
 // Globals:
 
-void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
+void Debug3DNoise(const NOISE_DATATYPE * a_Noise, size_t a_SizeX, size_t a_SizeY, size_t a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
 {
 	const int BUF_SIZE = 512;
 	ASSERT(a_SizeX <= BUF_SIZE);  // Just stretch it, if needed
 	
 	// Save in XY cuts:
 	cFile f1;
-	if (f1.Open(Printf("%s_XY (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
+	if (f1.Open(Printf("%s_XY (" SIZE_T_FMT ").grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
 	{
-		for (int z = 0; z < a_SizeZ; z++)
+		for (size_t z = 0; z < a_SizeZ; z++)
 		{
-			for (int y = 0; y < a_SizeY; y++)
+			for (size_t y = 0; y < a_SizeY; y++)
 			{
-				int idx = y * a_SizeX + z * a_SizeX * a_SizeY;
+				size_t idx = y * a_SizeX + z * a_SizeX * a_SizeY;
 				unsigned char buf[BUF_SIZE];
-				for (int x = 0; x < a_SizeX; x++)
+				for (size_t x = 0; x < a_SizeX; x++)
 				{
 					buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
 				}
@@ -140,15 +140,15 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int
 	}  // if (XY file open)
 
 	cFile f2;
-	if (f2.Open(Printf("%s_XZ (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
+	if (f2.Open(Printf("%s_XZ (" SIZE_T_FMT ").grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
 	{
-		for (int y = 0; y < a_SizeY; y++)
+		for (size_t y = 0; y < a_SizeY; y++)
 		{
-			for (int z = 0; z < a_SizeZ; z++)
+			for (size_t z = 0; z < a_SizeZ; z++)
 			{
-				int idx = y * a_SizeX + z * a_SizeX * a_SizeY;
+				size_t idx = y * a_SizeX + z * a_SizeX * a_SizeY;
 				unsigned char buf[BUF_SIZE];
-				for (int x = 0; x < a_SizeX; x++)
+				for (size_t x = 0; x < a_SizeX; x++)
 				{
 					buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
 				}
@@ -165,19 +165,19 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int
 
 
 
-void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
+void Debug2DNoise(const NOISE_DATATYPE * a_Noise, size_t a_SizeX, size_t a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
 {
 	const int BUF_SIZE = 512;
 	ASSERT(a_SizeX <= BUF_SIZE);  // Just stretch it, if needed
 	
 	cFile f1;
-	if (f1.Open(Printf("%s (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
+	if (f1.Open(Printf("%s (" SIZE_T_FMT ").grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite))
 	{
-		for (int y = 0; y < a_SizeY; y++)
+		for (size_t y = 0; y < a_SizeY; y++)
 		{
-			int idx = y * a_SizeX;
+			size_t idx = y * a_SizeX;
 			unsigned char buf[BUF_SIZE];
-			for (int x = 0; x < a_SizeX; x++)
+			for (size_t x = 0; x < a_SizeX; x++)
 			{
 				buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
 			}
diff --git a/src/Noise/Noise.h b/src/Noise/Noise.h
index 323194bfd..b08b96e24 100644
--- a/src/Noise/Noise.h
+++ b/src/Noise/Noise.h
@@ -185,7 +185,7 @@ typedef cOctavedNoise<cRidgedNoise<cCubicNoise>> cRidgedMultiNoise;
 NOISE_DATATYPE cNoise::IntNoise1D(int a_X) const
 {
 	int x = ((a_X * m_Seed) << 13) ^ a_X;
-	return (1 - (NOISE_DATATYPE)((x * (x * x * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
+	return (1 - static_cast<NOISE_DATATYPE>((x * (x * x * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
 	// returns a float number in the range of [-1, 1]
 }
 
@@ -197,7 +197,7 @@ NOISE_DATATYPE cNoise::IntNoise2D(int a_X, int a_Y) const
 {
 	int n = a_X + a_Y * 57 + m_Seed * 57 * 57;
 	n = (n << 13) ^ n;
-	return (1 - (NOISE_DATATYPE)((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
+	return (1 - static_cast<NOISE_DATATYPE>((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
 	// returns a float number in the range of [-1, 1]
 }
 
@@ -209,7 +209,9 @@ NOISE_DATATYPE cNoise::IntNoise3D(int a_X, int a_Y, int a_Z) const
 {
 	int n = a_X + a_Y * 57 + a_Z * 57 * 57 + m_Seed * 57 * 57 * 57;
 	n = (n << 13) ^ n;
-	return ((NOISE_DATATYPE)1 - (NOISE_DATATYPE)((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824.0f);
+	return (static_cast<NOISE_DATATYPE>(1) -
+		static_cast<NOISE_DATATYPE>((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824.0f
+	);
 	// returns a float number in the range of [-1, 1]
 }
 
@@ -265,8 +267,8 @@ NOISE_DATATYPE cNoise::CubicInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B,
 
 NOISE_DATATYPE cNoise::CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct)
 {
-	const NOISE_DATATYPE ft = a_Pct * (NOISE_DATATYPE)3.1415927;
-	const NOISE_DATATYPE f = (NOISE_DATATYPE)((NOISE_DATATYPE)(1 - cos(ft)) * (NOISE_DATATYPE)0.5);
+	const NOISE_DATATYPE ft = a_Pct * static_cast<NOISE_DATATYPE>(3.1415927);
+	const NOISE_DATATYPE f = static_cast<NOISE_DATATYPE>(static_cast<NOISE_DATATYPE>(1 - cos(ft)) * static_cast<NOISE_DATATYPE>(0.5));
 	return  a_A * (1 - f) + a_B * f;
 }
 
@@ -288,11 +290,11 @@ NOISE_DATATYPE cNoise::LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B,
 
 /** Exports the noise array into a file.
 a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
-extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, size_t a_SizeX, size_t a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
 
 /** Exports the noise array into a set of files, ordered by XY and XZ.
 a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
-extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, size_t a_SizeX, size_t a_SizeY, size_t a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
 
 
 
diff --git a/src/OSSupport/CMakeLists.txt b/src/OSSupport/CMakeLists.txt
index 0d3c9a63e..d1db0373d 100644
--- a/src/OSSupport/CMakeLists.txt
+++ b/src/OSSupport/CMakeLists.txt
@@ -41,6 +41,10 @@ SET (HDRS
 	UDPEndpointImpl.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	add_flags_cxx("-Wno-error=global-constructors -Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(OSSupport ${SRCS} ${HDRS})
 
diff --git a/src/OSSupport/Errors.cpp b/src/OSSupport/Errors.cpp
index a5361e1a6..407799495 100644
--- a/src/OSSupport/Errors.cpp
+++ b/src/OSSupport/Errors.cpp
@@ -22,7 +22,7 @@ AString GetOSErrorString( int a_ErrNo)
 	
 	// According to http://linux.die.net/man/3/strerror_r there are two versions of strerror_r():
 	
-	#if !defined(__APPLE__) && ( _GNU_SOURCE) && !defined(ANDROID_NDK)  // GNU version of strerror_r()
+	#if !defined(__APPLE__) && defined( _GNU_SOURCE) && !defined(ANDROID_NDK)  // GNU version of strerror_r()
 	
 	char * res = strerror_r( errno, buffer, ARRAYCOUNT(buffer));
 	if (res != nullptr)
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 43105b230..6327b3505 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -180,7 +180,7 @@ int cFile::Write(const void * iBuffer, size_t iNumBytes)
 
 
 
-int cFile::Seek (int iPosition)
+long cFile::Seek (int iPosition)
 {
 	ASSERT(IsOpen());
 	
@@ -193,7 +193,7 @@ int cFile::Seek (int iPosition)
 	{
 		return -1;
 	}
-	return (int)ftell(m_File);
+	return ftell(m_File);
 }
 
 
@@ -201,7 +201,7 @@ int cFile::Seek (int iPosition)
 
 
 
-int cFile::Tell (void) const
+long cFile::Tell (void) const
 {
 	ASSERT(IsOpen());
 	
@@ -210,14 +210,14 @@ int cFile::Tell (void) const
 		return -1;
 	}
 	
-	return (int)ftell(m_File);
+	return ftell(m_File);
 }
 
 
 
 
 
-int cFile::GetSize(void) const
+long cFile::GetSize(void) const
 {
 	ASSERT(IsOpen());
 	
@@ -226,7 +226,7 @@ int cFile::GetSize(void) const
 		return -1;
 	}
 	
-	int CurPos = Tell();
+	long CurPos = Tell();
 	if (CurPos < 0)
 	{
 		return -1;
@@ -235,7 +235,7 @@ int cFile::GetSize(void) const
 	{
 		return -1;
 	}
-	int res = Tell();
+	long res = Tell();
 	if (fseek(m_File, (long)CurPos, SEEK_SET) != 0)
 	{
 		return -1;
@@ -256,7 +256,19 @@ int cFile::ReadRestOfFile(AString & a_Contents)
 		return -1;
 	}
 	
-	size_t DataSize = GetSize() - Tell();
+	long TotalSize = GetSize();
+	if (TotalSize < 0)
+	{
+		return -1;
+	}
+
+	long Position = Tell();
+	if (Position < 0)
+	{
+		return -1;
+	}
+
+	auto DataSize = static_cast<size_t>(TotalSize - Position);
 	
 	// HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
 	a_Contents.assign(DataSize, '\0');
@@ -349,7 +361,7 @@ bool cFile::IsFile(const AString & a_Path)
 
 
 
-int cFile::GetSize(const AString & a_FileName)
+long cFile::GetSize(const AString & a_FileName)
 {
 	struct stat st;
 	if (stat(a_FileName.c_str(), &st) == 0)
diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h
index 1b5e71a17..6281d1494 100644
--- a/src/OSSupport/File.h
+++ b/src/OSSupport/File.h
@@ -87,13 +87,13 @@ public:
 	int Write(const void * iBuffer, size_t iNumBytes);
 	
 	/** Seeks to iPosition bytes from file start, returns old position or -1 for failure; asserts if not open */
-	int Seek (int iPosition);
+	long Seek (int iPosition);
 	
 	/** Returns the current position (bytes from file start) or -1 for failure; asserts if not open */
-	int Tell (void) const;
+	long Tell (void) const;
 	
 	/** Returns the size of file, in bytes, or -1 for failure; asserts if not open */
-	int GetSize(void) const;
+	long GetSize(void) const;
 	
 	/** Reads the file from current position till EOF into an AString; returns the number of bytes read or -1 for error */
 	int ReadRestOfFile(AString & a_Contents);
@@ -119,7 +119,7 @@ public:
 	static bool IsFile(const AString & a_Path);
 	
 	/** Returns the size of the file, or a negative number on error */
-	static int GetSize(const AString & a_FileName);
+	static long GetSize(const AString & a_FileName);
 	
 	/** Creates a new folder with the specified name. Returns true if successful. Path may be relative or absolute */
 	static bool CreateFolder(const AString & a_FolderPath);
diff --git a/src/OSSupport/GZipFile.h b/src/OSSupport/GZipFile.h
index dfb4e8c31..286c98aff 100644
--- a/src/OSSupport/GZipFile.h
+++ b/src/OSSupport/GZipFile.h
@@ -37,7 +37,7 @@ public:
 	int ReadRestOfFile(AString & a_Contents);
 	
 	/// Writes a_Contents into file, compressing it along the way. Returns true if successful. Multiple writes are supported.
-	bool Write(const AString & a_Contents) { return Write(a_Contents.data(), (int)(a_Contents.size())); }
+	bool Write(const AString & a_Contents) { return Write(a_Contents.data(), static_cast<int>(a_Contents.size())); }
 	
 	bool Write(const char * a_Data, int a_Size);
 	
diff --git a/src/OSSupport/StackTrace.cpp b/src/OSSupport/StackTrace.cpp
index 015a53ba0..1ec10f20e 100644
--- a/src/OSSupport/StackTrace.cpp
+++ b/src/OSSupport/StackTrace.cpp
@@ -12,6 +12,13 @@
 	#include <unistd.h>
 #endif
 
+// FreeBSD uses size_t for the return type of backtrace()
+#if defined(__FreeBSD__) && (__FreeBSD__ >= 10)
+	#define btsize size_t
+#else
+	#define btsize int
+#endif
+
 
 
 
@@ -34,7 +41,7 @@ void PrintStackTrace(void)
 		// Use the backtrace() function to get and output the stackTrace:
 		// Code adapted from http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes
 		void * stackTrace[30];
-		int numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
+		btsize numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
 		backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
 	#endif
 }
diff --git a/src/PolarSSL++/BlockingSslClientSocket.cpp b/src/PolarSSL++/BlockingSslClientSocket.cpp
index f5ad2f08c..a3c26f261 100644
--- a/src/PolarSSL++/BlockingSslClientSocket.cpp
+++ b/src/PolarSSL++/BlockingSslClientSocket.cpp
@@ -200,7 +200,7 @@ bool cBlockingSslClientSocket::Send(const void * a_Data, size_t a_NumBytes)
 		else
 		{
 			Data += res;
-			NumBytes -= res;
+			NumBytes -= static_cast<size_t>(res);
 			if (NumBytes == 0)
 			{
 				return true;
diff --git a/src/PolarSSL++/BufferedSslContext.cpp b/src/PolarSSL++/BufferedSslContext.cpp
index 9f7caeb8a..c8d4736f7 100644
--- a/src/PolarSSL++/BufferedSslContext.cpp
+++ b/src/PolarSSL++/BufferedSslContext.cpp
@@ -66,7 +66,7 @@ int cBufferedSslContext::ReceiveEncrypted(unsigned char * a_Buffer, size_t a_Num
 		return POLARSSL_ERR_NET_RECV_FAILED;
 	}
 	m_IncomingData.CommitRead();
-	return (int)NumBytes;
+	return static_cast<int>(NumBytes);
 }
 
 
@@ -81,11 +81,11 @@ int cBufferedSslContext::SendEncrypted(const unsigned char * a_Buffer, size_t a_
 	{
 		return POLARSSL_ERR_NET_WANT_WRITE;
 	}
-	if (!m_OutgoingData.Write((const char *)a_Buffer, a_NumBytes))
+	if (!m_OutgoingData.Write(reinterpret_cast<const char *>(a_Buffer), a_NumBytes))
 	{
 		return POLARSSL_ERR_NET_SEND_FAILED;
 	}
-	return (int)a_NumBytes;
+	return static_cast<int>(a_NumBytes);
 }
 
 
diff --git a/src/PolarSSL++/CMakeLists.txt b/src/PolarSSL++/CMakeLists.txt
index b11d16e33..fddb37501 100644
--- a/src/PolarSSL++/CMakeLists.txt
+++ b/src/PolarSSL++/CMakeLists.txt
@@ -33,6 +33,10 @@ set(HDRS
 	X509Cert.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(RsaPrivateKey.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(PolarSSL++ ${SRCS} ${HDRS})
 
diff --git a/src/PolarSSL++/CryptoKey.cpp b/src/PolarSSL++/CryptoKey.cpp
index 9354ddf50..cc4eefdfe 100644
--- a/src/PolarSSL++/CryptoKey.cpp
+++ b/src/PolarSSL++/CryptoKey.cpp
@@ -77,7 +77,7 @@ int cCryptoKey::Decrypt(const Byte * a_EncryptedData, size_t a_EncryptedLength,
 	{
 		return res;
 	}
-	return (int)DecryptedLen;
+	return static_cast<int>(DecryptedLen);
 }
 
 
@@ -97,7 +97,7 @@ int cCryptoKey::Encrypt(const Byte * a_PlainData, size_t a_PlainLength, Byte * a
 	{
 		return res;
 	}
-	return (int)EncryptedLength;
+	return static_cast<int>(EncryptedLength);
 }
 
 
@@ -109,7 +109,7 @@ int cCryptoKey::ParsePublic(const void * a_Data, size_t a_NumBytes)
 {
 	ASSERT(!IsValid());  // Cannot parse a second key
 	
-	return pk_parse_public_key(&m_Pk, (const unsigned char *)a_Data, a_NumBytes);
+	return pk_parse_public_key(&m_Pk, reinterpret_cast<const unsigned char *>(a_Data), a_NumBytes);
 }
 
 
@@ -123,14 +123,14 @@ int cCryptoKey::ParsePrivate(const void * a_Data, size_t a_NumBytes, const AStri
 	
 	if (a_Password.empty())
 	{
-		return pk_parse_key(&m_Pk, (const unsigned char *)a_Data, a_NumBytes, nullptr, 0);
+		return pk_parse_key(&m_Pk, reinterpret_cast<const unsigned char *>(a_Data), a_NumBytes, nullptr, 0);
 	}
 	else
 	{
 		return pk_parse_key(
 			&m_Pk,
-			(const unsigned char *)a_Data, a_NumBytes,
-			(const unsigned char *)a_Password.c_str(), a_Password.size()
+			reinterpret_cast<const unsigned char *>(a_Data), a_NumBytes,
+			reinterpret_cast<const unsigned char *>(a_Password.c_str()), a_Password.size()
 		);
 	}
 }
diff --git a/src/PolarSSL++/CtrDrbgContext.cpp b/src/PolarSSL++/CtrDrbgContext.cpp
index 86e6d1ca5..25c2987b1 100644
--- a/src/PolarSSL++/CtrDrbgContext.cpp
+++ b/src/PolarSSL++/CtrDrbgContext.cpp
@@ -39,7 +39,7 @@ int cCtrDrbgContext::Initialize(const void * a_Custom, size_t a_CustomSize)
 		return 0;
 	}
 	
-	int res = ctr_drbg_init(&m_CtrDrbg, entropy_func, &(m_EntropyContext->m_Entropy), (const unsigned char *)a_Custom, a_CustomSize);
+	int res = ctr_drbg_init(&m_CtrDrbg, entropy_func, &(m_EntropyContext->m_Entropy), reinterpret_cast<const unsigned char *>(a_Custom), a_CustomSize);
 	m_IsValid = (res == 0);
 	return res;
 }
diff --git a/src/PolarSSL++/SslContext.cpp b/src/PolarSSL++/SslContext.cpp
index 5ac4bc227..1409405bc 100644
--- a/src/PolarSSL++/SslContext.cpp
+++ b/src/PolarSSL++/SslContext.cpp
@@ -172,7 +172,7 @@ int cSslContext::WritePlain(const void * a_Data, size_t a_NumBytes)
 		}
 	}
 	
-	return ssl_write(&m_Ssl, (const unsigned char *)a_Data, a_NumBytes);
+	return ssl_write(&m_Ssl, reinterpret_cast<const unsigned char *>(a_Data), a_NumBytes);
 }
 
 
@@ -191,7 +191,7 @@ int cSslContext::ReadPlain(void * a_Data, size_t a_MaxBytes)
 		}
 	}
 	
-	return ssl_read(&m_Ssl, (unsigned char *)a_Data, a_MaxBytes);
+	return ssl_read(&m_Ssl, reinterpret_cast<unsigned char *>(a_Data), a_MaxBytes);
 }
 
 
diff --git a/src/PolarSSL++/SslContext.h b/src/PolarSSL++/SslContext.h
index 6b4f2c1e7..408fc7c56 100644
--- a/src/PolarSSL++/SslContext.h
+++ b/src/PolarSSL++/SslContext.h
@@ -127,13 +127,13 @@ protected:
 	/** The callback used by PolarSSL when it wants to read encrypted data. */
 	static int ReceiveEncrypted(void * a_This, unsigned char * a_Buffer, size_t a_NumBytes)
 	{
-		return ((cSslContext *)a_This)->ReceiveEncrypted(a_Buffer, a_NumBytes);
+		return (reinterpret_cast<cSslContext *>(a_This))->ReceiveEncrypted(a_Buffer, a_NumBytes);
 	}
 	
 	/** The callback used by PolarSSL when it wants to write encrypted data. */
 	static int SendEncrypted(void * a_This, const unsigned char * a_Buffer, size_t a_NumBytes)
 	{
-		return ((cSslContext *)a_This)->SendEncrypted(a_Buffer, a_NumBytes);
+		return (reinterpret_cast<cSslContext *>(a_This))->SendEncrypted(a_Buffer, a_NumBytes);
 	}
 	
 	#ifdef _DEBUG
diff --git a/src/PolarSSL++/X509Cert.cpp b/src/PolarSSL++/X509Cert.cpp
index ecf664855..ed65639a5 100644
--- a/src/PolarSSL++/X509Cert.cpp
+++ b/src/PolarSSL++/X509Cert.cpp
@@ -30,7 +30,7 @@ cX509Cert::~cX509Cert()
 
 int cX509Cert::Parse(const void * a_CertContents, size_t a_Size)
 {
-	return x509_crt_parse(&m_Cert, (const unsigned char *)a_CertContents, a_Size);
+	return x509_crt_parse(&m_Cert, reinterpret_cast<const unsigned char *>(a_CertContents), a_Size);
 }
 
 
diff --git a/src/Protocol/CMakeLists.txt b/src/Protocol/CMakeLists.txt
index c3a45ca47..fdc98b960 100644
--- a/src/Protocol/CMakeLists.txt
+++ b/src/Protocol/CMakeLists.txt
@@ -25,6 +25,15 @@ SET (HDRS
 	ProtocolRecognizer.h
 )
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(ChunkDataSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(MojangAPI.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Packetizer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(Protocol18x.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=switch-enum -Wno-error=switch -Wno-error=old-style-cast")
+	set_source_files_properties(Protocol17x.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=old-style-cast")
+	set_source_files_properties(ProtocolRecognizer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if (NOT MSVC)
 	add_library(Protocol ${SRCS} ${HDRS})
 endif()
diff --git a/src/Protocol/Packetizer.h b/src/Protocol/Packetizer.h
index 7f5e9c2c3..efed9c7a9 100644
--- a/src/Protocol/Packetizer.h
+++ b/src/Protocol/Packetizer.h
@@ -58,7 +58,7 @@ public:
 	}
 
 
-	inline void WriteBEUInt16(short a_Value)
+	inline void WriteBEUInt16(UInt16 a_Value)
 	{
 		VERIFY(m_Out.WriteBEUInt16(a_Value));
 	}
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 3bca7551b..7be72014a 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -88,6 +88,7 @@ public:
 	virtual void SendExplosion                  (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) = 0;
 	virtual void SendGameMode                   (eGameMode a_GameMode) = 0;
 	virtual void SendHealth                     (void) = 0;
+	virtual void SendHideTitle                  (void) = 0;
 	virtual void SendInventorySlot              (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
 	virtual void SendKeepAlive                  (int a_PingID) = 0;
 	virtual void SendLogin                      (const cPlayer & a_Player, const cWorld & a_World) = 0;
@@ -112,12 +113,17 @@ public:
 	virtual void SendPlayerSpawn                (const cPlayer & a_Player) = 0;
 	virtual void SendPluginMessage              (const AString & a_Channel, const AString & a_Message) = 0;
 	virtual void SendRemoveEntityEffect         (const cEntity & a_Entity, int a_EffectID) = 0;
+	virtual void SendResetTitle                 (void) = 0;
 	virtual void SendRespawn                    (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) = 0;
 	virtual void SendExperience                 (void) = 0;
 	virtual void SendExperienceOrb              (const cExpOrb & a_ExpOrb) = 0;
 	virtual void SendScoreboardObjective        (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) = 0;
 	virtual void SendScoreUpdate                (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) = 0;
 	virtual void SendDisplayObjective           (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) = 0;
+	virtual void SendSetSubTitle                (const cCompositeChat & a_SubTitle) = 0;
+	virtual void SendSetRawSubTitle             (const AString & a_SubTitle) = 0;
+	virtual void SendSetTitle                   (const cCompositeChat & a_Title) = 0;
+	virtual void SendSetRawTitle                (const AString & a_Title) = 0;
 	virtual void SendSoundEffect                (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) = 0;
 	virtual void SendSoundParticleEffect        (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) = 0;
 	virtual void SendSpawnFallingBlock          (const cFallingBlock & a_FallingBlock) = 0;
@@ -128,6 +134,7 @@ public:
 	virtual void SendTabCompletionResults       (const AStringVector & a_Results) = 0;
 	virtual void SendTeleportEntity             (const cEntity & a_Entity) = 0;
 	virtual void SendThunderbolt                (int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
+	virtual void SendTitleTimes                 (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) = 0;
 	virtual void SendTimeUpdate                 (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) = 0;
 	virtual void SendUnloadChunk                (int a_ChunkX, int a_ChunkZ) = 0;
 	virtual void SendUpdateBlockEntity          (cBlockEntity & a_BlockEntity) = 0;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 799c021f3..6aa36e2a5 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -555,6 +555,15 @@ void cProtocol172::SendHealth(void)
 
 
 
+void cProtocol172::SendHideTitle(void)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
 void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -995,6 +1004,15 @@ void cProtocol172::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effect
 
 
 
+void cProtocol172::SendResetTitle(void)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
 void cProtocol172::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks)
 {
 	if ((m_LastSentDimension == a_Dimension) && !a_ShouldIgnoreDimensionChecks)
@@ -1023,8 +1041,8 @@ void cProtocol172::SendExperience (void)
 	cPacketizer Pkt(*this, 0x1f);  // Experience Packet
 	cPlayer * Player = m_Client->GetPlayer();
 	Pkt.WriteBEFloat(Player->GetXpPercentage());
-	Pkt.WriteBEInt16(static_cast<UInt16>(std::max<int>(Player->GetXpLevel(), std::numeric_limits<UInt16>::max())));
-	Pkt.WriteBEInt16(static_cast<UInt16>(std::max<int>(Player->GetCurrentXp(), std::numeric_limits<UInt16>::max())));
+	Pkt.WriteBEInt16(static_cast<Int16>(std::max<int>(Player->GetXpLevel(), std::numeric_limits<Int16>::max())));
+	Pkt.WriteBEInt16(static_cast<Int16>(std::max<int>(Player->GetCurrentXp(), std::numeric_limits<Int16>::max())));
 }
 
 
@@ -1094,6 +1112,42 @@ void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard
 
 
 
+void cProtocol172::SendSetSubTitle(const cCompositeChat & a_SubTitle)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
+void cProtocol172::SendSetRawSubTitle(const AString & a_SubTitle)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
+void cProtocol172::SendSetTitle(const cCompositeChat & a_Title)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
+void cProtocol172::SendSetRawTitle(const AString & a_Title)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
 void cProtocol172::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -1296,6 +1350,15 @@ void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
 
 
 
+void cProtocol172::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+	// Not implemented in this protocol version
+}
+
+
+
+
+
 void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	ASSERT(m_State == 3);  // In game mode?
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 773c39f87..ead2935b0 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -90,6 +90,7 @@ public:
 	virtual void SendExplosion                  (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
 	virtual void SendGameMode                   (eGameMode a_GameMode) override;
 	virtual void SendHealth                     (void) override;
+	virtual void SendHideTitle                  (void) override;
 	virtual void SendInventorySlot              (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive                  (int a_PingID) override;
 	virtual void SendLogin                      (const cPlayer & a_Player, const cWorld & a_World) override;
@@ -113,9 +114,14 @@ public:
 	virtual void SendPlayerSpawn                (const cPlayer & a_Player) override;
 	virtual void SendPluginMessage              (const AString & a_Channel, const AString & a_Message) override;
 	virtual void SendRemoveEntityEffect         (const cEntity & a_Entity, int a_EffectID) override;
+	virtual void SendResetTitle                 (void) override;
 	virtual void SendRespawn                    (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
 	virtual void SendScoreUpdate                (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
 	virtual void SendScoreboardObjective        (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
+	virtual void SendSetSubTitle                (const cCompositeChat & a_SubTitle) override;
+	virtual void SendSetRawSubTitle             (const AString & a_SubTitle) override;
+	virtual void SendSetTitle                   (const cCompositeChat & a_Title) override;
+	virtual void SendSetRawTitle                (const AString & a_Title) override;
 	virtual void SendSoundEffect                (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
 	virtual void SendSoundParticleEffect        (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
 	virtual void SendSpawnFallingBlock          (const cFallingBlock & a_FallingBlock) override;
@@ -126,6 +132,7 @@ public:
 	virtual void SendTabCompletionResults       (const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity             (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt                (int a_BlockX, int a_BlockY, int a_BlockZ) override;
+	virtual void SendTitleTimes                 (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) override;
 	virtual void SendTimeUpdate                 (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk                (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity          (cBlockEntity & a_BlockEntity) override;
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp
index 4612af4a5..d06022ce0 100644
--- a/src/Protocol/Protocol18x.cpp
+++ b/src/Protocol/Protocol18x.cpp
@@ -542,6 +542,18 @@ void cProtocol180::SendHealth(void)
 
 
 
+void cProtocol180::SendHideTitle(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x45);  // Title packet
+	Pkt.WriteVarInt32(3);  // Hide title
+}
+
+
+
+
+
 void cProtocol180::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -1065,6 +1077,18 @@ void cProtocol180::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effect
 
 
 
+void cProtocol180::SendResetTitle(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x45);  // Title packet
+	Pkt.WriteVarInt32(4);  // Reset title
+}
+
+
+
+
+
 void cProtocol180::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks)
 {
 	if ((m_LastSentDimension == a_Dimension) && !a_ShouldIgnoreDimensionChecks)
@@ -1167,6 +1191,52 @@ void cProtocol180::SendDisplayObjective(const AString & a_Objective, cScoreboard
 
 
 
+void cProtocol180::SendSetSubTitle(const cCompositeChat & a_SubTitle)
+{
+	SendSetRawSubTitle(a_SubTitle.CreateJsonString(false));
+}
+
+
+
+
+
+void cProtocol180::SendSetRawSubTitle(const AString & a_SubTitle)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x45);  // Title packet
+	Pkt.WriteVarInt32(1);  // Set subtitle
+
+	Pkt.WriteString(a_SubTitle);
+}
+
+
+
+
+
+void cProtocol180::SendSetTitle(const cCompositeChat & a_Title)
+{
+	SendSetRawTitle(a_Title.CreateJsonString(false));
+}
+
+
+
+
+
+void cProtocol180::SendSetRawTitle(const AString & a_Title)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x45);  // Title packet
+	Pkt.WriteVarInt32(0);  // Set title
+
+	Pkt.WriteString(a_Title);
+}
+
+
+
+
+
 void cProtocol180::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -1374,6 +1444,22 @@ void cProtocol180::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
 
 
 
+void cProtocol180::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x45);  // Title packet
+	Pkt.WriteVarInt32(2);  // Set title display times
+
+	Pkt.WriteBEInt32(a_FadeInTicks);
+	Pkt.WriteBEInt32(a_DisplayTicks);
+	Pkt.WriteBEInt32(a_FadeOutTicks);
+}
+
+
+
+
+
 void cProtocol180::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	ASSERT(m_State == 3);  // In game mode?
diff --git a/src/Protocol/Protocol18x.h b/src/Protocol/Protocol18x.h
index 21024d702..6143e8b4e 100644
--- a/src/Protocol/Protocol18x.h
+++ b/src/Protocol/Protocol18x.h
@@ -85,6 +85,7 @@ public:
 	virtual void SendExplosion                  (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
 	virtual void SendGameMode                   (eGameMode a_GameMode) override;
 	virtual void SendHealth                     (void) override;
+	virtual void SendHideTitle                  (void) override;
 	virtual void SendInventorySlot              (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive                  (int a_PingID) override;
 	virtual void SendLogin                      (const cPlayer & a_Player, const cWorld & a_World) override;
@@ -109,6 +110,7 @@ public:
 	virtual void SendPlayerSpawn                (const cPlayer & a_Player) override;
 	virtual void SendPluginMessage              (const AString & a_Channel, const AString & a_Message) override;
 	virtual void SendRemoveEntityEffect         (const cEntity & a_Entity, int a_EffectID) override;
+	virtual void SendResetTitle                 (void) override;
 	virtual void SendRespawn                    (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
 	virtual void SendSoundEffect                (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
 	virtual void SendExperience                 (void) override;
@@ -116,6 +118,10 @@ public:
 	virtual void SendScoreboardObjective        (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
 	virtual void SendScoreUpdate                (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
 	virtual void SendDisplayObjective           (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
+	virtual void SendSetSubTitle                (const cCompositeChat & a_SubTitle) override;
+	virtual void SendSetRawSubTitle             (const AString & a_SubTitle) override;
+	virtual void SendSetTitle                   (const cCompositeChat & a_Title) override;
+	virtual void SendSetRawTitle                (const AString & a_Title) override;
 	virtual void SendSoundParticleEffect        (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
 	virtual void SendSpawnFallingBlock          (const cFallingBlock & a_FallingBlock) override;
 	virtual void SendSpawnMob                   (const cMonster & a_Mob) override;
@@ -125,6 +131,7 @@ public:
 	virtual void SendTabCompletionResults       (const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity             (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt                (int a_BlockX, int a_BlockY, int a_BlockZ) override;
+	virtual void SendTitleTimes                 (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) override;
 	virtual void SendTimeUpdate                 (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk                (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity          (cBlockEntity & a_BlockEntity) override;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index e7f7a4526..477f2d71e 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -350,6 +350,16 @@ void cProtocolRecognizer::SendHealth(void)
 
 
 
+void cProtocolRecognizer::SendHideTitle(void)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendHideTitle();
+}
+
+
+
+
+
 void cProtocolRecognizer::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value)
 {
 	ASSERT(m_Protocol != nullptr);
@@ -599,6 +609,16 @@ void cProtocolRecognizer::SendRemoveEntityEffect(const cEntity & a_Entity, int a
 
 
 
+void cProtocolRecognizer::SendResetTitle(void)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendResetTitle();
+}
+
+
+
+
+
 void cProtocolRecognizer::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks)
 {
 	ASSERT(m_Protocol != nullptr);
@@ -659,6 +679,46 @@ void cProtocolRecognizer::SendDisplayObjective(const AString & a_Objective, cSco
 
 
 
+void cProtocolRecognizer::SendSetSubTitle(const cCompositeChat & a_SubTitle)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendSetSubTitle(a_SubTitle);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendSetRawSubTitle(const AString & a_SubTitle)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendSetRawSubTitle(a_SubTitle);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendSetTitle(const cCompositeChat & a_Title)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendSetTitle(a_Title);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendSetRawTitle(const AString & a_Title)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendSetRawTitle(a_Title);
+}
+
+
+
+
+
 void cProtocolRecognizer::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
 {
 	ASSERT(m_Protocol != nullptr);
@@ -759,6 +819,16 @@ void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_Bloc
 
 
 
+void cProtocolRecognizer::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendTitleTimes(a_FadeInTicks, a_DisplayTicks, a_FadeOutTicks);
+}
+
+
+
+
+
 void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	ASSERT(m_Protocol != nullptr);
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 6c2185d6d..956b5dcc0 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -73,6 +73,7 @@ public:
 	virtual void SendExplosion                  (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
 	virtual void SendGameMode                   (eGameMode a_GameMode) override;
 	virtual void SendHealth                     (void) override;
+	virtual void SendHideTitle                  (void) override;
 	virtual void SendInventorySlot              (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive                  (int a_PingID) override;
 	virtual void SendLogin                      (const cPlayer & a_Player, const cWorld & a_World) override;
@@ -97,12 +98,17 @@ public:
 	virtual void SendPlayerSpawn                (const cPlayer & a_Player) override;
 	virtual void SendPluginMessage              (const AString & a_Channel, const AString & a_Message) override;
 	virtual void SendRemoveEntityEffect         (const cEntity & a_Entity, int a_EffectID) override;
+	virtual void SendResetTitle                 (void) override;
 	virtual void SendRespawn                    (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
 	virtual void SendExperience                 (void) override;
 	virtual void SendExperienceOrb              (const cExpOrb & a_ExpOrb) override;
 	virtual void SendScoreboardObjective        (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
 	virtual void SendScoreUpdate                (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
 	virtual void SendDisplayObjective           (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
+	virtual void SendSetSubTitle                (const cCompositeChat & a_SubTitle) override;
+	virtual void SendSetRawSubTitle             (const AString & a_SubTitle) override;
+	virtual void SendSetTitle                   (const cCompositeChat & a_Title) override;
+	virtual void SendSetRawTitle                (const AString & a_Title) override;
 	virtual void SendSoundEffect                (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
 	virtual void SendSoundParticleEffect        (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
 	virtual void SendSpawnFallingBlock          (const cFallingBlock & a_FallingBlock) override;
@@ -113,6 +119,7 @@ public:
 	virtual void SendTabCompletionResults       (const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity             (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt                (int a_BlockX, int a_BlockY, int a_BlockZ) override;
+	virtual void SendTitleTimes                 (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) override;
 	virtual void SendTimeUpdate                 (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk                (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity          (cBlockEntity & a_BlockEntity) override;
diff --git a/src/Root.cpp b/src/Root.cpp
index c3c880e73..54e65b6da 100644
--- a/src/Root.cpp
+++ b/src/Root.cpp
@@ -72,7 +72,7 @@ cRoot::~cRoot()
 void cRoot::InputThread(cRoot & a_Params)
 {
 	cLogCommandOutputCallback Output;
-	
+
 	while (!cRoot::m_ShouldStop && !a_Params.m_bRestart && !m_TerminateEventRaised && std::cin.good())
 	{
 		AString Command;
@@ -105,12 +105,12 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 	HMENU hmenu = GetSystemMenu(hwnd, FALSE);
 	EnableMenuItem(hmenu, SC_CLOSE, MF_GRAYED);  // Disable close button when starting up; it causes problems with our CTRL-CLOSE handling
 	#endif
-	
+
 	cLogger::cListener * consoleLogListener = MakeConsoleListener();
 	cLogger::cListener * fileLogListener = new cFileListener();
 	cLogger::GetInstance().AttachListener(consoleLogListener);
 	cLogger::GetInstance().AttachListener(fileLogListener);
-	
+
 	LOG("--- Started Log ---\n");
 
 	#ifdef BUILD_ID
@@ -162,30 +162,30 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 		m_RankManager->Initialize(*m_MojangAPI);
 		m_CraftingRecipes = new cCraftingRecipes;
 		m_FurnaceRecipe   = new cFurnaceRecipe();
-		
+
 		LOGD("Loading worlds...");
 		LoadWorlds(*settingsRepo);
 
 		LOGD("Loading plugin manager...");
 		m_PluginManager = new cPluginManager();
 		m_PluginManager->ReloadPluginsNow(*settingsRepo);
-		
+
 		LOGD("Loading MonsterConfig...");
 		m_MonsterConfig = new cMonsterConfig;
 
 		// This sets stuff in motion
 		LOGD("Starting Authenticator...");
 		m_Authenticator.Start(*settingsRepo);
-		
+
 		LOGD("Starting worlds...");
 		StartWorlds();
-		
+
 		if (settingsRepo->GetValueSetB("DeadlockDetect", "Enabled", true))
 		{
 			LOGD("Starting deadlock detector...");
 			dd.Start(settingsRepo->GetValueSetI("DeadlockDetect", "IntervalSec", 20));
 		}
-		
+
 		settingsRepo->Flush();
 
 		LOGD("Finalising startup...");
@@ -207,6 +207,10 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 			#endif
 
 			LOG("Startup complete, took %ldms!", static_cast<long int>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() - BeginTime).count()));
+
+			// Save the current time
+			m_StartTime = std::chrono::steady_clock::now();
+
 			#ifdef _WIN32
 			EnableMenuItem(hmenu, SC_CLOSE, MF_ENABLED);  // Re-enable close button
 			#endif
@@ -253,7 +257,7 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 
 		LOGD("Unloading worlds...");
 		UnloadWorlds();
-		
+
 		LOGD("Stopping plugin manager...");
 		delete m_PluginManager; m_PluginManager = nullptr;
 
@@ -264,9 +268,9 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 
 		LOG("Shutdown successful!");
 	}
-	
+
 	LOG("--- Stopped Log ---");
-	
+
 	cLogger::GetInstance().DetachListener(consoleLogListener);
 	delete consoleLogListener;
 	cLogger::GetInstance().DetachListener(fileLogListener);
@@ -299,7 +303,7 @@ void cRoot::LoadWorlds(cSettingsRepositoryInterface & a_Settings)
 	{
 		return;
 	}
-	
+
 	bool FoundAdditionalWorlds = false;
 	for (auto WorldNameValue : Worlds)
 	{
@@ -554,6 +558,23 @@ void cRoot::SaveAllChunks(void)
 
 
 
+void cRoot::SendPlayerLists(cPlayer * a_DestPlayer)
+{
+	for (const auto & itr : m_WorldsByName)
+	{
+		itr.second->SendPlayerList(a_DestPlayer);
+	}  // for itr - m_WorldsByName[]
+}
+
+
+
+void cRoot::BroadcastPlayerListsAddPlayer(const cPlayer & a_Player, const cClientHandle * a_Exclude)
+{
+	for (const auto & itr : m_WorldsByName)
+	{
+		itr.second->BroadcastPlayerListAddPlayer(a_Player);
+	}  // for itr - m_WorldsByName[]
+}
 
 
 void cRoot::BroadcastChat(const AString & a_Message, eMessageType a_ChatPrefix)
@@ -578,8 +599,6 @@ void cRoot::BroadcastChat(const cCompositeChat & a_Message)
 
 
 
-
-
 bool cRoot::ForEachPlayer(cPlayerListCallback & a_Callback)
 {
 	for (WorldMap::iterator itr = m_WorldsByName.begin(), itr2 = itr; itr != m_WorldsByName.end(); itr = itr2)
@@ -850,7 +869,3 @@ int cRoot::GetFurnaceFuelBurnTime(const cItem & a_Fuel)
 	cFurnaceRecipe * FR = Get()->GetFurnaceRecipe();
 	return FR->GetBurnTime(a_Fuel);
 }
-
-
-
-
diff --git a/src/Root.h b/src/Root.h
index 2b30afaff..81551a503 100644
--- a/src/Root.h
+++ b/src/Root.h
@@ -70,22 +70,31 @@ public:
 	a_OverworldName should be set for non-overworld dimensions if one wishes that world to link back to an overworld via portals
 	*/
 	cWorld * CreateAndInitializeWorld(const AString & a_WorldName, eDimension a_Dimension = dimOverworld, const AString & a_OverworldName = "");
+
+	/** Returns the up time of the server in seconds */
+	int GetServerUpTime(void)
+	{
+		return static_cast<int>(std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - m_StartTime).count());
+	}
 	// tolua_end
-	
+
 	/// Calls the callback for each world; returns true if the callback didn't abort (return true)
 	bool ForEachWorld(cWorldListCallback & a_Callback);  // >> Exported in ManualBindings <<
-	
+
 	/// Writes chunkstats, for each world and totals, to the output callback
 	void LogChunkStats(cCommandOutputCallback & a_Output);
-	
+
 	cMonsterConfig * GetMonsterConfig(void) { return m_MonsterConfig; }
 
 	cCraftingRecipes * GetCraftingRecipes(void) { return m_CraftingRecipes; }  // tolua_export
 	cFurnaceRecipe *   GetFurnaceRecipe  (void) { return m_FurnaceRecipe; }    // Exported in ManualBindings.cpp with quite a different signature
-	
+
 	/// Returns the number of ticks for how long the item would fuel a furnace. Returns zero if not a fuel
 	static int GetFurnaceFuelBurnTime(const cItem & a_Fuel);  // tolua_export
-	
+
+	/** The current time where the startup of the server has been completed */
+	std::chrono::steady_clock::time_point m_StartTime;
+
 	cWebAdmin *        GetWebAdmin       (void) { return m_WebAdmin; }         // tolua_export
 	cPluginManager *   GetPluginManager  (void) { return m_PluginManager; }    // tolua_export
 	cAuthenticator &   GetAuthenticator  (void) { return m_Authenticator; }
@@ -98,32 +107,32 @@ public:
 	"stop" and "restart" commands have special handling.
 	*/
 	void QueueExecuteConsoleCommand(const AString & a_Cmd, cCommandOutputCallback & a_Output);
-	
+
 	/** Queues a console command for execution through the cServer class.
 	The command will be executed in the tick thread
 	The command's output will be sent to console
 	"stop" and "restart" commands have special handling.
 	*/
 	void QueueExecuteConsoleCommand(const AString & a_Cmd);  // tolua_export
-	
+
 	/// Executes a console command through the cServer class; does special handling for "stop" and "restart".
 	void ExecuteConsoleCommand(const AString & a_Cmd, cCommandOutputCallback & a_Output);
-	
+
 	/// Kicks the user, no matter in what world they are. Used from cAuthenticator
 	void KickUser(int a_ClientID, const AString & a_Reason);
-	
+
 	/// Called by cAuthenticator to auth the specified user
 	void AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID, const Json::Value & a_Properties);
-	
+
 	/// Executes commands queued in the command queue
 	void TickCommands(void);
 
 	/// Returns the number of chunks loaded
 	int GetTotalChunkCount(void);  // tolua_export
-	
+
 	/// Saves all chunks in all worlds
 	void SaveAllChunks(void);  // tolua_export
-	
+
 	/// Calls the callback for each player in all worlds
 	bool ForEachPlayer(cPlayerListCallback & a_Callback);  // >> EXPORTED IN MANUALBINDINGS <<
 
@@ -132,12 +141,18 @@ public:
 
 	/** Finds the player over his uuid and calls the callback */
 	bool DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback);  // >> EXPORTED IN MANUALBINDINGS <<
-	
+
 	/** Finds the player using it's complete username and calls the callback */
 	bool DoWithPlayer(const AString & a_PlayerName, cPlayerListCallback & a_Callback);
-	
+
+	/** Send playerlist of all worlds to player */
+	void SendPlayerLists(cPlayer * a_DestPlayer);
+
+	/** Broadcast Player through all worlds */
+	void BroadcastPlayerListsAddPlayer(const cPlayer & a_Player, const cClientHandle * a_Exclude = nullptr);
+
 	// tolua_begin
-	
+
 	/// Sends a chat message to all connected clients (in all worlds)
 	void BroadcastChat       (const AString & a_Message, eMessageType a_ChatPrefix = mtCustom);
 	void BroadcastChat       (const cCompositeChat & a_Message);
@@ -149,18 +164,18 @@ public:
 	void BroadcastChatLeave  (const AString & a_Message) { BroadcastChat(a_Message, mtLeave); }
 	void BroadcastChatSuccess(const AString & a_Message) { BroadcastChat(a_Message, mtSuccess); }
 	void BroadcastChatWarning(const AString & a_Message) { BroadcastChat(a_Message, mtWarning); }
-	
+
 	/// Returns the textual description of the protocol version: 49 -> "1.4.4". Provided specifically for Lua API
 	static AString GetProtocolVersionTextFromInt(int a_ProtocolVersionNum);
-	
+
 	/// Returns the amount of virtual RAM used, in KiB. Returns a negative number on error
 	static int GetVirtualRAMUsage(void);
-	
+
 	/// Returns the amount of virtual RAM used, in KiB. Returns a negative number on error
 	static int GetPhysicalRAMUsage(void);
-	
+
 	// tolua_end
-	
+
 private:
 	class cCommand
 	{
@@ -170,17 +185,17 @@ private:
 			m_Output(a_Output)
 		{
 		}
-		
+
 		AString m_Command;
 		cCommandOutputCallback * m_Output;
 	} ;
-	
+
 	typedef std::map<AString, cWorld *> WorldMap;
 	typedef std::vector<cCommand> cCommandQueue;
 
 	cWorld * m_pDefaultWorld;
 	WorldMap m_WorldsByName;
-	
+
 	cCriticalSection m_CSPendingCommands;
 	cCommandQueue    m_PendingCommands;
 
@@ -206,24 +221,20 @@ private:
 
 	/// Loads the worlds from settings.ini, creates the worldmap
 	void LoadWorlds(cSettingsRepositoryInterface & a_Settings);
-	
+
 	/// Starts each world's life
 	void StartWorlds(void);
-	
+
 	/// Stops each world's threads, so that it's safe to unload them
 	void StopWorlds(void);
-	
+
 	/// Unloads all worlds from memory
 	void UnloadWorlds(void);
-	
+
 	/// Does the actual work of executing a command
 	void DoExecuteConsoleCommand(const AString & a_Cmd);
-	
+
 	static cRoot * s_Root;
 
 	static void InputThread(cRoot & a_Params);
 };  // tolua_export
-
-
-
-
diff --git a/src/Scoreboard.cpp b/src/Scoreboard.cpp
index a4a4c3391..9f251ab94 100644
--- a/src/Scoreboard.cpp
+++ b/src/Scoreboard.cpp
@@ -276,7 +276,7 @@ size_t cTeam::GetNumPlayers(void) const
 
 cScoreboard::cScoreboard(cWorld * a_World) : m_World(a_World)
 {
-	for (int i = 0; i < (int) dsCount; ++i)
+	for (int i = 0; i < static_cast<int>(dsCount); ++i)
 	{
 		m_Display[i] = nullptr;
 	}
@@ -323,11 +323,11 @@ bool cScoreboard::RemoveObjective(const AString & a_Name)
 	ASSERT(m_World != nullptr);
 	m_World->BroadcastScoreboardObjective(it->second.GetName(), it->second.GetDisplayName(), 1);
 
-	for (unsigned int i = 0; i < (unsigned int) dsCount; ++i)
+	for (unsigned int i = 0; i < static_cast<unsigned int>(dsCount); ++i)
 	{
 		if (m_Display[i] == &it->second)
 		{
-			SetDisplay(nullptr, (eDisplaySlot) i);
+			SetDisplay(nullptr, static_cast<eDisplaySlot>(i));
 		}
 	}
 
@@ -557,14 +557,14 @@ void cScoreboard::SendTo(cClientHandle & a_Client)
 		it->second.SendTo(a_Client);
 	}
 
-	for (int i = 0; i < (int) dsCount; ++i)
+	for (int i = 0; i < static_cast<int>(dsCount); ++i)
 	{
 		// Avoid race conditions
 		cObjective * Objective = m_Display[i];
 
 		if (Objective)
 		{
-			a_Client.SendDisplayObjective(Objective->GetName(), (eDisplaySlot) i);
+			a_Client.SendDisplayObjective(Objective->GetName(), static_cast<eDisplaySlot>(i));
 		}
 	}
 }
diff --git a/src/Simulator/CMakeLists.txt b/src/Simulator/CMakeLists.txt
index 5aa406717..5ac39bb0f 100644
--- a/src/Simulator/CMakeLists.txt
+++ b/src/Simulator/CMakeLists.txt
@@ -31,6 +31,13 @@ SET (HDRS
 	VanillaFluidSimulator.h
 	VaporizeFluidSimulator.h)
 
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(FireSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion")
+	set_source_files_properties(FluidSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=shadow")
+	set_source_files_properties(IncrementalRedstoneSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Simulator ${SRCS} ${HDRS})
 endif()
diff --git a/src/Simulator/DelayedFluidSimulator.cpp b/src/Simulator/DelayedFluidSimulator.cpp
index 0973962b6..e0da3ff61 100644
--- a/src/Simulator/DelayedFluidSimulator.cpp
+++ b/src/Simulator/DelayedFluidSimulator.cpp
@@ -99,8 +99,8 @@ void cDelayedFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 		return;
 	}
 
-	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
-	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
+	auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
+	cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_AddSlotNum];
 	
 	// Add, if not already present:
@@ -132,8 +132,8 @@ void cDelayedFluidSimulator::Simulate(float a_Dt)
 
 void cDelayedFluidSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
 {
-	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
-	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
+	auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
+	cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
 	
 	// Simulate all the blocks in the scheduled slot:
@@ -148,7 +148,7 @@ void cDelayedFluidSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a
 		{
 			SimulateBlock(a_Chunk, itr->x, itr->y, itr->z);
 		}
-		m_TotalBlocks -= (int)Blocks.size();
+		m_TotalBlocks -= static_cast<int>(Blocks.size());
 		Blocks.clear();
 	}
 }
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index a9481edb0..69c46f090 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -255,7 +255,14 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect(
+				"random.fizz",
+				static_cast<double>(BlockX),
+				static_cast<double>(a_RelY),
+				static_cast<double>(BlockZ),
+				0.5f,
+				1.5f
+			);
 			return;
 		}
 	}
@@ -270,7 +277,14 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect(
+				"random.fizz",
+				static_cast<double>(BlockX),
+				static_cast<double>(a_RelY),
+				static_cast<double>(BlockZ),
+				0.5f,
+				1.5f
+			);
 			return;
 		}
 	}
diff --git a/src/Simulator/SandSimulator.cpp b/src/Simulator/SandSimulator.cpp
index 497f81999..70dde8cc0 100644
--- a/src/Simulator/SandSimulator.cpp
+++ b/src/Simulator/SandSimulator.cpp
@@ -65,7 +65,7 @@ void cSandSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX,
 			a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
 		}
 	}
-	m_TotalBlocks -= (int)ChunkData.size();
+	m_TotalBlocks -= static_cast<int>(ChunkData.size());
 	ChunkData.clear();
 }
 
@@ -265,8 +265,13 @@ void cSandSimulator::FinishFalling(
 	
 	// Create a pickup instead:
 	cItems Pickups;
-	Pickups.Add((ENUM_ITEM_ID)a_FallingBlockType, 1, a_FallingBlockMeta);
-	a_World->SpawnItemPickups(Pickups, (double)a_BlockX + 0.5, (double)a_BlockY + 0.5, (double)a_BlockZ + 0.5);
+	Pickups.Add(static_cast<ENUM_ITEM_ID>(a_FallingBlockType), 1, a_FallingBlockMeta);
+	a_World->SpawnItemPickups(
+		Pickups,
+		static_cast<double>(a_BlockX) + 0.5,
+		static_cast<double>(a_BlockY) + 0.5,
+		static_cast<double>(a_BlockZ) + 0.5
+	);
 }
 
 
diff --git a/src/Simulator/VanillaFluidSimulator.cpp b/src/Simulator/VanillaFluidSimulator.cpp
index 6df75eebb..f6fe1e9ec 100644
--- a/src/Simulator/VanillaFluidSimulator.cpp
+++ b/src/Simulator/VanillaFluidSimulator.cpp
@@ -105,7 +105,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
 	if (IsPassableForFluid(BlockType) || IsBlockLiquid(BlockType))
 	{
 		// Path found, exit
-		return a_Iteration;
+		return static_cast<int>(a_Iteration);
 	}
 
 	// 5 blocks away, bail out
diff --git a/src/Simulator/VaporizeFluidSimulator.cpp b/src/Simulator/VaporizeFluidSimulator.cpp
index 119742346..d766b069f 100644
--- a/src/Simulator/VaporizeFluidSimulator.cpp
+++ b/src/Simulator/VaporizeFluidSimulator.cpp
@@ -35,7 +35,14 @@ void cVaporizeFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 	)
 	{
 		a_Chunk->SetBlock(RelX, a_BlockY, RelZ, E_BLOCK_AIR, 0);
-		a_Chunk->BroadcastSoundEffect("random.fizz", (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 1.0f, 0.6f);
+		a_Chunk->BroadcastSoundEffect(
+			"random.fizz",
+			static_cast<double>(a_BlockX),
+			static_cast<double>(a_BlockY),
+			static_cast<double>(a_BlockZ),
+			1.0f,
+			0.6f
+		);
 	}
 }
 
diff --git a/src/SpawnPrepare.cpp b/src/SpawnPrepare.cpp
new file mode 100644
index 000000000..74dcb3ecd
--- /dev/null
+++ b/src/SpawnPrepare.cpp
@@ -0,0 +1,125 @@
+
+#include "Globals.h"
+
+#include "SpawnPrepare.h"
+#include "World.h"
+
+
+
+
+
+class cSpawnPrepareCallback :
+	public cChunkCoordCallback
+{
+public:
+	cSpawnPrepareCallback(cSpawnPrepare & a_SpawnPrepare) :
+		m_SpawnPrepare(a_SpawnPrepare)
+	{
+	}
+protected:
+
+	cSpawnPrepare & m_SpawnPrepare;
+	
+	virtual void Call(int a_ChunkX, int a_ChunkZ) override
+	{
+		m_SpawnPrepare.PreparedChunkCallback(a_ChunkX, a_ChunkZ);
+	}
+};
+
+
+
+
+
+cSpawnPrepare::cSpawnPrepare(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance, int a_FirstIdx):
+	m_World(a_World),
+	m_SpawnChunkX(a_SpawnChunkX),
+	m_SpawnChunkZ(a_SpawnChunkZ),
+	m_PrepareDistance(a_PrepareDistance),
+	m_NextIdx(a_FirstIdx),
+	m_MaxIdx(a_PrepareDistance * a_PrepareDistance),
+	m_NumPrepared(0),
+	m_LastReportTime(std::chrono::steady_clock::now()),
+	m_LastReportChunkCount(0)
+{
+}
+
+
+
+
+
+
+
+void cSpawnPrepare::PrepareChunks(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance)
+{
+
+	// Queue the initial chunks:
+	int MaxIdx = a_PrepareDistance * a_PrepareDistance;
+	int maxQueue = std::min(MaxIdx - 1, 100);  // Number of chunks to queue at once
+	cSpawnPrepare prep(a_World, a_SpawnChunkX, a_SpawnChunkZ, a_PrepareDistance, maxQueue);
+	for (int i = 0; i < maxQueue; i++)
+	{
+		int chunkX, chunkZ;
+		prep.DecodeChunkCoords(i, chunkX, chunkZ);
+		a_World.PrepareChunk(chunkX, chunkZ, cpp14::make_unique<cSpawnPrepareCallback>(prep));
+	}  // for i
+
+	// Wait for the lighting thread to prepare everything. Event is set in the Call() callback:
+	prep.m_EvtFinished.Wait();
+}
+
+
+
+
+
+void cSpawnPrepare::DecodeChunkCoords(int a_Idx, int & a_ChunkX, int & a_ChunkZ)
+{
+	// A zigzag pattern from the top to bottom, each row alternating between forward-x and backward-x:
+	int z = a_Idx / m_PrepareDistance;
+	int x = a_Idx % m_PrepareDistance;
+	if ((z & 1) == 0)
+	{
+		// Reverse every second row:
+		x = m_PrepareDistance - 1 - x;
+	}
+	a_ChunkZ = m_SpawnChunkZ + z - m_PrepareDistance / 2;
+	a_ChunkX = m_SpawnChunkX + x - m_PrepareDistance / 2;
+}
+
+
+
+
+
+void cSpawnPrepare::PreparedChunkCallback(int a_ChunkX, int a_ChunkZ)
+{
+	// Check if this was the last chunk:
+	m_NumPrepared += 1;
+	if (m_NumPrepared >= m_MaxIdx)
+	{
+		m_EvtFinished.Set();
+		// Must return here, because "this" may have gotten deleted by the previous line
+		return;
+	}
+
+	// Queue another chunk, if appropriate:
+	if (m_NextIdx < m_MaxIdx)
+	{
+		int chunkX, chunkZ;
+		DecodeChunkCoords(m_NextIdx, chunkX, chunkZ);
+		m_World.GetLightingThread().QueueChunk(chunkX, chunkZ, cpp14::make_unique<cSpawnPrepareCallback>(*this));
+		m_NextIdx += 1;
+	}
+
+	// Report progress every 1 second:
+	auto Now = std::chrono::steady_clock::now();
+	if (Now - m_LastReportTime > std::chrono::seconds(1))
+	{
+		float PercentDone = static_cast<float>(m_NumPrepared * 100) / m_MaxIdx;
+		float ChunkSpeed = static_cast<float>((m_NumPrepared - m_LastReportChunkCount) * 1000) / std::chrono::duration_cast<std::chrono::milliseconds>(Now - m_LastReportTime).count();
+		LOG("Preparing spawn (%s): %.02f%% (%d/%d; %.02f chunks / sec)",
+			m_World.GetName().c_str(), PercentDone, m_NumPrepared, m_MaxIdx, ChunkSpeed
+		);
+		m_LastReportTime = Now;
+		m_LastReportChunkCount = m_NumPrepared;
+	}
+}
+
diff --git a/src/SpawnPrepare.h b/src/SpawnPrepare.h
new file mode 100644
index 000000000..cc0da504e
--- /dev/null
+++ b/src/SpawnPrepare.h
@@ -0,0 +1,49 @@
+
+#pragma once
+
+class cWorld;
+	
+
+
+/** Generates and lights the spawn area of the world. Runs as a separate thread. */
+class cSpawnPrepare
+{
+
+public:
+	static void PrepareChunks(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance);
+
+protected:
+	cWorld & m_World;
+	int m_SpawnChunkX;
+	int m_SpawnChunkZ;
+	int m_PrepareDistance;
+
+	/** The index of the next chunk to be queued in the lighting thread. */
+	int m_NextIdx;
+
+	/** The maximum index of the prepared chunks. Queueing stops when m_NextIdx reaches this number. */
+	int m_MaxIdx;
+
+	/** Total number of chunks already finished preparing. Preparation finishes when this number reaches m_MaxIdx. */
+	int m_NumPrepared;
+
+	/** Event used to signal that the preparation is finished. */
+	cEvent m_EvtFinished;
+
+	/** The timestamp of the last progress report emitted. */
+	std::chrono::steady_clock::time_point m_LastReportTime;
+
+	/** Number of chunks prepared when the last progress report was emitted. */
+	int m_LastReportChunkCount;
+
+	cSpawnPrepare(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance, int a_FirstIdx);
+
+	void PreparedChunkCallback(int a_ChunkX, int a_ChunkZ);
+
+	/** Decodes the index into chunk coords. Provides the specific chunk ordering. */
+	void DecodeChunkCoords(int a_Idx, int & a_ChunkX, int & a_ChunkZ);
+
+	friend class cSpawnPrepareCallback;
+
+};
+
diff --git a/src/Statistics.cpp b/src/Statistics.cpp
index e0c0dd925..fcaf3e7bc 100644
--- a/src/Statistics.cpp
+++ b/src/Statistics.cpp
@@ -185,7 +185,7 @@ StatValue cStatManager::AddValue(const eStatistic a_Stat, const StatValue a_Delt
 
 void cStatManager::Reset(void)
 {
-	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	for (unsigned int i = 0; i < static_cast<unsigned int>(statCount); ++i)
 	{
 		m_MainStats[i] = 0;
 	}
diff --git a/src/StringUtils.h b/src/StringUtils.h
index b5fc58a2d..62767d007 100644
--- a/src/StringUtils.h
+++ b/src/StringUtils.h
@@ -158,7 +158,7 @@ bool StringToInteger(const AString & a_str, T & a_Num)
 				return false;
 			}
 			result *= 10;
-			T digit = a_str[i] - '0';
+			T digit = static_cast<T>(a_str[i] - '0');
 			if (std::numeric_limits<T>::max() - digit < result)
 			{
 				return false;
@@ -168,6 +168,12 @@ bool StringToInteger(const AString & a_str, T & a_Num)
 	}
 	else
 	{
+		// Unsigned result cannot be signed!
+		if (!std::numeric_limits<T>::is_signed)
+		{
+			return false;
+		}
+
 		for (size_t size = a_str.size(); i < size; i++)
 		{
 			if ((a_str[i] < '0') || (a_str[i] > '9'))
@@ -179,7 +185,7 @@ bool StringToInteger(const AString & a_str, T & a_Num)
 				return false;
 			}
 			result *= 10;
-			T digit = a_str[i] - '0';
+			T digit = static_cast<T>(a_str[i] - '0');
 			if (std::numeric_limits<T>::min() + digit > result)
 			{
 				return false;
diff --git a/src/Tracer.cpp b/src/Tracer.cpp
index 5fdaff15d..b54a50798 100644
--- a/src/Tracer.cpp
+++ b/src/Tracer.cpp
@@ -277,7 +277,7 @@ bool cTracer::Trace(const Vector3f & a_Start, const Vector3f & a_Direction, int
 
 
 // return 1 = hit, other is not hit
-int LinesCross(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
+static int LinesCross(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
 {
 	// float linx, liny;
 
diff --git a/src/UI/CMakeLists.txt b/src/UI/CMakeLists.txt
index ef4afc40a..178498479 100644
--- a/src/UI/CMakeLists.txt
+++ b/src/UI/CMakeLists.txt
@@ -34,6 +34,12 @@ SET (HDRS
 	MinecartWithChestWindow.h
 	WindowOwner.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(SlotArea.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=switch-enum -Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(Window.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=switch-enum -Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(ChestWindow.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(UI ${SRCS} ${HDRS})
 endif()
diff --git a/src/UI/EnchantingWindow.cpp b/src/UI/EnchantingWindow.cpp
index fe21ee83d..4c5bcbfd5 100644
--- a/src/UI/EnchantingWindow.cpp
+++ b/src/UI/EnchantingWindow.cpp
@@ -30,7 +30,7 @@ cEnchantingWindow::cEnchantingWindow(int a_BlockX, int a_BlockY, int a_BlockZ) :
 
 void cEnchantingWindow::SetProperty(short a_Property, short a_Value, cPlayer & a_Player)
 {
-	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	if ((a_Property < 0) || (static_cast<size_t>(a_Property) >= ARRAYCOUNT(m_PropertyValue)))
 	{
 		ASSERT(!"a_Property is invalid");
 		return;
@@ -47,7 +47,7 @@ void cEnchantingWindow::SetProperty(short a_Property, short a_Value, cPlayer & a
 
 void cEnchantingWindow::SetProperty(short a_Property, short a_Value)
 {
-	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	if ((a_Property < 0) || (static_cast<size_t>(a_Property) >= ARRAYCOUNT(m_PropertyValue)))
 	{
 		ASSERT(!"a_Property is invalid");
 		return;
@@ -63,7 +63,7 @@ void cEnchantingWindow::SetProperty(short a_Property, short a_Value)
 
 short cEnchantingWindow::GetPropertyValue(short a_Property)
 {
-	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	if ((a_Property < 0) || (static_cast<size_t>(a_Property) >= ARRAYCOUNT(m_PropertyValue)))
 	{
 		ASSERT(!"a_Property is invalid");
 		return 0;
diff --git a/src/UI/EnderChestWindow.cpp b/src/UI/EnderChestWindow.cpp
index a5484468f..c597f3a9b 100644
--- a/src/UI/EnderChestWindow.cpp
+++ b/src/UI/EnderChestWindow.cpp
@@ -24,7 +24,14 @@ cEnderChestWindow::cEnderChestWindow(cEnderChestEntity * a_EnderChest) :
 	m_SlotAreas.push_back(new cSlotAreaHotBar(*this));
 
 	// Play the opening sound:
-	m_World->BroadcastSoundEffect("random.chestopen", (double)m_BlockX, (double)m_BlockY, (double)m_BlockZ, 1, 1);
+	m_World->BroadcastSoundEffect(
+		"random.chestopen",
+		static_cast<double>(m_BlockX),
+		static_cast<double>(m_BlockY),
+		static_cast<double>(m_BlockZ),
+		1,
+		1
+	);
 
 	// Send out the chest-open packet:
 	m_World->BroadcastBlockAction(m_BlockX, m_BlockY, m_BlockZ, 1, 1, E_BLOCK_ENDER_CHEST);
@@ -40,7 +47,13 @@ cEnderChestWindow::~cEnderChestWindow()
 	m_World->BroadcastBlockAction(m_BlockX, m_BlockY, m_BlockZ, 1, 0, E_BLOCK_ENDER_CHEST);
 
 	// Play the closing sound
-	m_World->BroadcastSoundEffect("random.chestclosed", (double)m_BlockX, (double)m_BlockY, (double)m_BlockZ, 1, 1);
+	m_World->BroadcastSoundEffect(
+		"random.chestclosed",
+		static_cast<double>(m_BlockX),
+		static_cast<double>(m_BlockY),
+		static_cast<double>(m_BlockZ),
+		1, 1
+	);
 }
 
 
diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 37683a8e5..5b58b18b6 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -1394,7 +1394,7 @@ void cSlotAreaBeacon::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
 // cSlotAreaEnchanting:
 
 cSlotAreaEnchanting::cSlotAreaEnchanting(cWindow & a_ParentWindow, int a_BlockX, int a_BlockY, int a_BlockZ) :
-	cSlotAreaTemporary(1, a_ParentWindow),
+	cSlotAreaTemporary(2, a_ParentWindow),
 	m_BlockX(a_BlockX),
 	m_BlockY(a_BlockY),
 	m_BlockZ(a_BlockZ)
@@ -2154,10 +2154,10 @@ bool cSlotAreaArmor::CanPlaceArmorInSlot(int a_SlotNum, const cItem & a_Item)
 {
 	switch (a_SlotNum)
 	{
-		case 0:  return ItemCategory::IsHelmet    (a_Item.m_ItemType);
+		case 0:  return (ItemCategory::IsHelmet(a_Item.m_ItemType) || (a_Item.m_ItemType == E_BLOCK_PUMPKIN));
 		case 1:  return ItemCategory::IsChestPlate(a_Item.m_ItemType);
-		case 2:  return ItemCategory::IsLeggings  (a_Item.m_ItemType);
-		case 3:  return ItemCategory::IsBoots     (a_Item.m_ItemType);
+		case 2:  return ItemCategory::IsLeggings(a_Item.m_ItemType);
+		case 3:  return ItemCategory::IsBoots(a_Item.m_ItemType);
 	}
 	return false;
 }
diff --git a/src/UI/Window.cpp b/src/UI/Window.cpp
index d1c08acec..61e25651b 100644
--- a/src/UI/Window.cpp
+++ b/src/UI/Window.cpp
@@ -92,9 +92,9 @@ const AString cWindow::GetWindowTypeName(void) const
 int cWindow::GetNumSlots(void) const
 {
 	int res = 0;
-	for (cSlotAreas::const_iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+	for (const auto & itr : m_SlotAreas)
 	{
-		res += (*itr)->GetNumSlots();
+		res += itr->GetNumSlots();
 	}  // for itr - m_SlotAreas[]
 	return res;
 }
@@ -261,16 +261,14 @@ void cWindow::Clicked(
 	}
 
 	int LocalSlotNum = a_SlotNum;
-	int idx = 0;
-	for (cSlotAreas::iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+	for (const auto & itr : m_SlotAreas)
 	{
-		if (LocalSlotNum < (*itr)->GetNumSlots())
+		if (LocalSlotNum < itr->GetNumSlots())
 		{
-			(*itr)->Clicked(a_Player, LocalSlotNum, a_ClickAction, a_ClickedItem);
+			itr->Clicked(a_Player, LocalSlotNum, a_ClickAction, a_ClickedItem);
 			return;
 		}
-		LocalSlotNum -= (*itr)->GetNumSlots();
-		idx++;
+		LocalSlotNum -= itr->GetNumSlots();
 	}
 	
 	LOGWARNING("Slot number higher than available window slots: %d, max %d received from \"%s\"; ignoring.",
diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp
index 1cb4463e1..91fad96c6 100644
--- a/src/WebAdmin.cpp
+++ b/src/WebAdmin.cpp
@@ -321,7 +321,7 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
 	int MemUsageKiB = cRoot::GetPhysicalRAMUsage();
 	if (MemUsageKiB > 0)
 	{
-		ReplaceString(Template, "{MEM}",       Printf("%.02f", (double)MemUsageKiB / 1024));
+		ReplaceString(Template, "{MEM}",       Printf("%.02f", static_cast<double>(MemUsageKiB) / 1024));
 		ReplaceString(Template, "{MEMKIB}",    Printf("%d", MemUsageKiB));
 	}
 	else
@@ -648,7 +648,7 @@ void cWebAdmin::OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_
 void cWebAdmin::OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size)
 {
 	UNUSED(a_Connection);
-	cRequestData * Data = (cRequestData *)(a_Request.GetUserData());
+	cRequestData * Data = reinterpret_cast<cRequestData *>(a_Request.GetUserData());
 	if (Data == nullptr)
 	{
 		return;
@@ -681,7 +681,7 @@ void cWebAdmin::OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest &
 	}
 
 	// Delete any request data assigned to the request:
-	cRequestData * Data = (cRequestData *)(a_Request.GetUserData());
+	cRequestData * Data = reinterpret_cast<cRequestData *>(a_Request.GetUserData());
 	delete Data;
 	Data = nullptr;
 }
diff --git a/src/World.cpp b/src/World.cpp
index 3c39de317..f7d2165c7 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -58,6 +58,7 @@
 #endif
 
 #include "Broadcaster.h"
+#include "SpawnPrepare.h"
 
 
 
@@ -72,140 +73,6 @@ const int TIME_SPAWN_DIVISOR =   148;
 
 
 ////////////////////////////////////////////////////////////////////////////////
-// cSpawnPrepare:
-
-/** Generates and lights the spawn area of the world. Runs as a separate thread. */
-class cSpawnPrepare:
-	public cIsThread,
-	public cChunkCoordCallback
-{
-	typedef cIsThread super;
-
-public:
-	cSpawnPrepare(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance):
-		super("SpawnPrepare"),
-		m_World(a_World),
-		m_SpawnChunkX(a_SpawnChunkX),
-		m_SpawnChunkZ(a_SpawnChunkZ),
-		m_PrepareDistance(a_PrepareDistance),
-		m_MaxIdx(a_PrepareDistance * a_PrepareDistance),
-		m_NumPrepared(0),
-		m_LastReportChunkCount(0)
-	{
-		// Start the thread:
-		Start();
-
-		// Wait for start confirmation, so that the thread can be waited-upon after the constructor returns:
-		m_EvtStarted.Wait();
-	}
-
-
-	// cIsThread override:
-	virtual void Execute(void) override
-	{
-		// Confirm thread start:
-		m_EvtStarted.Set();
-
-		// Queue the initial chunks:
-		m_MaxIdx = m_PrepareDistance * m_PrepareDistance;
-		int maxQueue = std::min(m_MaxIdx - 1, 100);  // Number of chunks to queue at once
-		m_NextIdx = maxQueue;
-		m_LastReportTime = std::chrono::steady_clock::now();
-		for (int i = 0; i < maxQueue; i++)
-		{
-			int chunkX, chunkZ;
-			DecodeChunkCoords(i, chunkX, chunkZ);
-			m_World.PrepareChunk(chunkX, chunkZ, this);
-		}  // for i
-
-		// Wait for the lighting thread to prepare everything. Event is set in the Call() callback:
-		m_EvtFinished.Wait();
-	}
-
-protected:
-	cWorld & m_World;
-	int m_SpawnChunkX;
-	int m_SpawnChunkZ;
-	int m_PrepareDistance;
-
-	/** The index of the next chunk to be queued in the lighting thread. */
-	int m_NextIdx;
-
-	/** The maximum index of the prepared chunks. Queueing stops when m_NextIdx reaches this number. */
-	int m_MaxIdx;
-
-	/** Total number of chunks already finished preparing. Preparation finishes when this number reaches m_MaxIdx. */
-	int m_NumPrepared;
-
-	/** Event used to signal that the thread has started. */
-	cEvent m_EvtStarted;
-
-	/** Event used to signal that the preparation is finished. */
-	cEvent m_EvtFinished;
-
-	/** The timestamp of the last progress report emitted. */
-	std::chrono::steady_clock::time_point m_LastReportTime;
-
-	/** Number of chunks prepared when the last progress report was emitted. */
-	int m_LastReportChunkCount;
-
-	// cChunkCoordCallback override:
-	virtual void Call(int a_ChunkX, int a_ChunkZ) override
-	{
-		// Check if this was the last chunk:
-		m_NumPrepared += 1;
-		if (m_NumPrepared >= m_MaxIdx)
-		{
-			m_EvtFinished.Set();
-			// Must return here, because "this" may have gotten deleted by the previous line
-			return;
-		}
-
-		// Queue another chunk, if appropriate:
-		if (m_NextIdx < m_MaxIdx)
-		{
-			int chunkX, chunkZ;
-			DecodeChunkCoords(m_NextIdx, chunkX, chunkZ);
-			m_World.GetLightingThread().QueueChunk(chunkX, chunkZ, this);
-			m_NextIdx += 1;
-		}
-
-		// Report progress every 1 second:
-		auto Now = std::chrono::steady_clock::now();
-		if (Now - m_LastReportTime > std::chrono::seconds(1))
-		{
-			float PercentDone = static_cast<float>(m_NumPrepared * 100) / m_MaxIdx;
-			float ChunkSpeed = static_cast<float>((m_NumPrepared - m_LastReportChunkCount) * 1000) / std::chrono::duration_cast<std::chrono::milliseconds>(Now - m_LastReportTime).count();
-			LOG("Preparing spawn (%s): %.02f%% (%d/%d; %.02f chunks / sec)",
-				m_World.GetName().c_str(), PercentDone, m_NumPrepared, m_MaxIdx, ChunkSpeed
-			);
-			m_LastReportTime = Now;
-			m_LastReportChunkCount = m_NumPrepared;
-		}
-	}
-
-
-	/** Decodes the index into chunk coords. Provides the specific chunk ordering. */
-	void DecodeChunkCoords(int a_Idx, int & a_ChunkX, int & a_ChunkZ)
-	{
-		// A zigzag pattern from the top to bottom, each row alternating between forward-x and backward-x:
-		int z = a_Idx / m_PrepareDistance;
-		int x = a_Idx % m_PrepareDistance;
-		if ((z & 1) == 0)
-		{
-			// Reverse every second row:
-			x = m_PrepareDistance - 1 - x;
-		}
-		a_ChunkZ = m_SpawnChunkZ + z - m_PrepareDistance / 2;
-		a_ChunkX = m_SpawnChunkX + x - m_PrepareDistance / 2;
-	}
-};
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////
 // cWorld::cLock:
 
 cWorld::cLock::cLock(cWorld & a_World) :
@@ -470,8 +337,7 @@ void cWorld::InitializeSpawn(void)
 	int ViewDist = IniFile.GetValueSetI("SpawnPosition", "PregenerateDistance", DefaultViewDist);
 	IniFile.WriteFile(m_IniFileName);
 
-	cSpawnPrepare prep(*this, ChunkX, ChunkZ, ViewDist);
-	prep.Wait();
+	cSpawnPrepare::PrepareChunks(*this, ChunkX, ChunkZ, ViewDist);
 	
 	#ifdef TEST_LINEBLOCKTRACER
 	// DEBUG: Test out the cLineBlockTracer class by tracing a few lines:
@@ -2072,7 +1938,7 @@ void cWorld::BroadcastAttachEntity(const cEntity & a_Entity, const cEntity * a_V
 
 
 
-void cWorld::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude)
+void cWorld::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Byte1, Byte a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude)
 {
 	m_ChunkMap->BroadcastBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType, a_Exclude);
 }
@@ -3006,9 +2872,9 @@ void cWorld::TouchChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-void cWorld::PrepareChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallAfter)
+void cWorld::PrepareChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallAfter)
 {
-	m_ChunkMap->PrepareChunk(a_ChunkX, a_ChunkZ, a_CallAfter);
+	m_ChunkMap->PrepareChunk(a_ChunkX, a_ChunkZ, std::move(a_CallAfter));
 }
 
 
@@ -3132,9 +2998,9 @@ void cWorld::GenerateChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-void cWorld::QueueLightChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_Callback)
+void cWorld::QueueLightChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_Callback)
 {
-	m_Lighting.QueueChunk(a_ChunkX, a_ChunkZ, a_Callback);
+	m_Lighting.QueueChunk(a_ChunkX, a_ChunkZ, std::move(a_Callback));
 }
 
 
diff --git a/src/World.h b/src/World.h
index 2ecdd519c..064b50165 100644
--- a/src/World.h
+++ b/src/World.h
@@ -216,7 +216,7 @@ public:
 	// Broadcast respective packets to all clients of the chunk where the event is taking place
 	// (Please keep these alpha-sorted)
 	void BroadcastAttachEntity       (const cEntity & a_Entity, const cEntity * a_Vehicle);
-	void BroadcastBlockAction        (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude = nullptr);  // tolua_export
+	void BroadcastBlockAction        (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Byte1, Byte a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude = nullptr);  // tolua_export
 	void BroadcastBlockBreakAnimation(UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage, const cClientHandle * a_Exclude = nullptr);
 	void BroadcastBlockEntity        (int a_BlockX, int a_BlockY, int a_BlockZ, const cClientHandle * a_Exclude = nullptr);  ///< If there is a block entity at the specified coods, sends it to all clients except a_Exclude
 
@@ -385,7 +385,7 @@ public:
 	The specified chunk is queued to be loaded or generated, and lit if needed.
 	The specified callback is called after the chunk has been prepared. If there's no preparation to do, only the callback is called.
 	It is legal to call with no callback. */
-	void PrepareChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_CallAfter = nullptr);
+	void PrepareChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_CallAfter = {});
 	
 	/** Marks the chunk as failed-to-load: */
 	void ChunkLoadFailed(int a_ChunkX, int a_ChunkZ);
@@ -409,7 +409,7 @@ public:
 	void GenerateChunk(int a_ChunkX, int a_ChunkZ);  // tolua_export
 	
 	/** Queues a chunk for lighting; a_Callback is called after the chunk is lighted */
-	void QueueLightChunk(int a_ChunkX, int a_ChunkZ, cChunkCoordCallback * a_Callback = nullptr);
+	void QueueLightChunk(int a_ChunkX, int a_ChunkZ, std::unique_ptr<cChunkCoordCallback> a_Callback = {});
 	
 	bool IsChunkLighted(int a_ChunkX, int a_ChunkZ);
 	
@@ -817,7 +817,7 @@ public:
 	UInt32 CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProjectileEntity::eKind a_Kind, cEntity * a_Creator, const cItem * a_Item, const Vector3d * a_Speed = nullptr);  // tolua_export
 	
 	/** Returns a random number from the m_TickRand in range [0 .. a_Range]. To be used only in the tick thread! */
-	int GetTickRandomNumber(int a_Range) { return (int)(m_TickRand.randInt(a_Range)); }
+	int GetTickRandomNumber(int a_Range) { return static_cast<int>(m_TickRand.randInt(a_Range)); }
 	
 	/** Appends all usernames starting with a_Text (case-insensitive) into Results */
 	void TabCompleteUserName(const AString & a_Text, AStringVector & a_Results);
diff --git a/src/WorldStorage/CMakeLists.txt b/src/WorldStorage/CMakeLists.txt
index 59193db2a..074958191 100644
--- a/src/WorldStorage/CMakeLists.txt
+++ b/src/WorldStorage/CMakeLists.txt
@@ -28,6 +28,18 @@ SET (HDRS
 	WSSAnvil.h
 	WorldStorage.h)
 
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    set_source_files_properties(EnchantmentSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(FastNBT.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=old-style-cast")
+	set_source_files_properties(FireworksSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=old-style-cast")
+    set_source_files_properties(MapSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(NBTChunkSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=switch-enum -Wno-error=sign-conversion -Wno-error=conversion -Wno-error=old-style-cast")
+	set_source_files_properties(SchematicFileSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=shadow -Wno-error=conversion -Wno-error=old-style-cast -Wno-error=global-constructors")
+    set_source_files_properties(ScoreboardSerializer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+	set_source_files_properties(WSSAnvil.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=shorten-64-to-32 -Wno-error=switch -Wno-error=switch-enum -Wno-error=conversion -Wno-error=old-style-cast")
+    set_source_files_properties(WorldStorage.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(WorldStorage ${SRCS} ${HDRS})
 
diff --git a/src/WorldStorage/EnchantmentSerializer.cpp b/src/WorldStorage/EnchantmentSerializer.cpp
index a6e562956..b28e16b1d 100644
--- a/src/WorldStorage/EnchantmentSerializer.cpp
+++ b/src/WorldStorage/EnchantmentSerializer.cpp
@@ -14,8 +14,8 @@ void EnchantmentSerializer::WriteToNBTCompound(const cEnchantments & a_Enchantme
 	for (cEnchantments::cMap::const_iterator itr = a_Enchantments.m_Enchantments.begin(), end = a_Enchantments.m_Enchantments.end(); itr != end; ++itr)
 	{
 		a_Writer.BeginCompound("");
-			a_Writer.AddShort("id",  itr->first);
-			a_Writer.AddShort("lvl", itr->second);
+			a_Writer.AddShort("id",  static_cast<Int16>(itr->first));
+			a_Writer.AddShort("lvl", static_cast<Int16>(itr->second));
 		a_Writer.EndCompound();
 	}  // for itr - m_Enchantments[]
 	a_Writer.EndList();
@@ -82,7 +82,7 @@ void EnchantmentSerializer::ParseFromNBT(cEnchantments & a_Enchantments, const c
 		}
 		
 		// Store the enchantment:
-		a_Enchantments.m_Enchantments[id] = lvl;
+		a_Enchantments.m_Enchantments[id] = static_cast<unsigned int>(lvl);
 	}  // for tag - children of the ench list tag
 }
 
diff --git a/src/WorldStorage/FastNBT.cpp b/src/WorldStorage/FastNBT.cpp
index 033a07601..860eb3a4a 100644
--- a/src/WorldStorage/FastNBT.cpp
+++ b/src/WorldStorage/FastNBT.cpp
@@ -257,7 +257,10 @@ bool cParsedNBT::ReadTag(void)
 			return true;
 		}
 		
+		#if !defined(__clang__)
 		default:
+		#endif
+		case TAG_Min:
 		{
 			ASSERT(!"Unhandled NBT tag type");
 			return false;
@@ -503,7 +506,7 @@ void cFastNBTWriter::AddString(const AString & a_Name, const AString & a_Value)
 void cFastNBTWriter::AddByteArray(const AString & a_Name, const char * a_Value, size_t a_NumElements)
 {
 	TagCommon(a_Name, TAG_ByteArray);
-	u_long len = htonl(static_cast<u_long>(a_NumElements));
+	u_int len = htonl(static_cast<u_int>(a_NumElements));
 	m_Result.append(reinterpret_cast<const char *>(&len), 4);
 	m_Result.append(a_Value, a_NumElements);
 }
@@ -515,7 +518,7 @@ void cFastNBTWriter::AddByteArray(const AString & a_Name, const char * a_Value,
 void cFastNBTWriter::AddIntArray(const AString & a_Name, const int * a_Value, size_t a_NumElements)
 {
 	TagCommon(a_Name, TAG_IntArray);
-	u_long len = htonl(static_cast<u_long>(a_NumElements));
+	u_int len = htonl(static_cast<u_int>(a_NumElements));
 	size_t cap = m_Result.capacity();
 	size_t size = m_Result.length();
 	if ((cap - size) < (4 + a_NumElements * 4))
diff --git a/src/WorldStorage/FireworksSerializer.cpp b/src/WorldStorage/FireworksSerializer.cpp
index 91a5b8b63..0398f4da8 100644
--- a/src/WorldStorage/FireworksSerializer.cpp
+++ b/src/WorldStorage/FireworksSerializer.cpp
@@ -14,7 +14,7 @@ void cFireworkItem::WriteToNBTCompound(const cFireworkItem & a_FireworkItem, cFa
 		case E_ITEM_FIREWORK_ROCKET:
 		{
 			a_Writer.BeginCompound("Fireworks");
-			a_Writer.AddByte("Flight", a_FireworkItem.m_FlightTimeInTicks / 20);
+			a_Writer.AddByte("Flight", static_cast<Byte>(a_FireworkItem.m_FlightTimeInTicks / 20));
 			a_Writer.BeginList("Explosions", TAG_Compound);
 			a_Writer.BeginCompound("");
 			a_Writer.AddByte("Flicker", a_FireworkItem.m_HasFlicker);
diff --git a/src/WorldStorage/MapSerializer.cpp b/src/WorldStorage/MapSerializer.cpp
index da7b9d929..d4925dcab 100644
--- a/src/WorldStorage/MapSerializer.cpp
+++ b/src/WorldStorage/MapSerializer.cpp
@@ -102,11 +102,11 @@ void cMapSerializer::SaveMapToNBT(cFastNBTWriter & a_Writer)
 {
 	a_Writer.BeginCompound("data");
 
-	a_Writer.AddByte("scale", m_Map->GetScale());
-	a_Writer.AddByte("dimension", (int) m_Map->GetDimension());
+	a_Writer.AddByte("scale", static_cast<Byte>(m_Map->GetScale()));
+	a_Writer.AddByte("dimension", static_cast<Byte>(m_Map->GetDimension()));
 
-	a_Writer.AddShort("width",  m_Map->GetWidth());
-	a_Writer.AddShort("height", m_Map->GetHeight());
+	a_Writer.AddShort("width",  static_cast<Int16>(m_Map->GetWidth()));
+	a_Writer.AddShort("height", static_cast<Int16>(m_Map->GetHeight()));
 
 	a_Writer.AddInt("xCenter", m_Map->GetCenterX());
 	a_Writer.AddInt("zCenter", m_Map->GetCenterZ());
@@ -235,7 +235,7 @@ bool cIDCountSerializer::Load(void)
 	int CurrLine = NBT.FindChildByName(0, "map");
 	if (CurrLine >= 0)
 	{
-		m_MapCount = (int)NBT.GetShort(CurrLine) + 1;
+		m_MapCount = static_cast<unsigned int>(NBT.GetShort(CurrLine) + 1);
 	}
 	else
 	{
@@ -255,7 +255,7 @@ bool cIDCountSerializer::Save(void)
 
 	if (m_MapCount > 0)
 	{
-		Writer.AddShort("map", m_MapCount - 1);
+		Writer.AddShort("map", static_cast<Int16>(m_MapCount - 1));
 	}
 
 	Writer.Finish();
diff --git a/src/WorldStorage/StatSerializer.cpp b/src/WorldStorage/StatSerializer.cpp
index 99a702c39..29f9b3cd6 100644
--- a/src/WorldStorage/StatSerializer.cpp
+++ b/src/WorldStorage/StatSerializer.cpp
@@ -79,13 +79,13 @@ bool cStatSerializer::Save(void)
 
 void cStatSerializer::SaveStatToJSON(Json::Value & a_Out)
 {
-	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	for (unsigned int i = 0; i < static_cast<unsigned int>(statCount); ++i)
 	{
-		StatValue Value = m_Manager->GetValue((eStatistic) i);
+		StatValue Value = m_Manager->GetValue(static_cast<eStatistic>(i));
 
 		if (Value != 0)
 		{
-			const AString & StatName = cStatInfo::GetName((eStatistic) i);
+			const AString & StatName = cStatInfo::GetName(static_cast<eStatistic>(i));
 
 			a_Out[StatName] = Value;
 		}
diff --git a/src/main.cpp b/src/main.cpp
index 5cd057278..d5c39cecd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -382,6 +382,10 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
 
 		TCLAP::SwitchArg noBufArg("", "no-output-buffering", "Disable output buffering", cmd);
 
+		TCLAP::SwitchArg runAsServiceArg("d", "run-as-service", "Run as a service on Windows", cmd);
+
+		cmd.ignoreUnmatched(true);
+
 		cmd.parse(argc, argv);
 
 		auto repo = cpp14::make_unique<cMemorySettingsRepository>();
@@ -420,6 +424,11 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
 			setvbuf(stdout, nullptr, _IONBF, 0);
 		}
 
+		if (runAsServiceArg.getValue())
+		{
+			cRoot::m_RunAsService = true;
+		}
+
 		repo->SetReadOnly();
 
 		return repo;
@@ -493,16 +502,6 @@ int main(int argc, char **argv)
 	
 	auto argsRepo = parseArguments(argc, argv);
 	
-	// Check if comm logging is to be enabled:
-	for (int i = 0; i < argc; i++)
-	{
-		AString Arg(argv[i]);
-		if (NoCaseCompare(Arg, "/service") == 0)
-		{
-			cRoot::m_RunAsService = true;
-		}
-	}  // for i - argv[]
-
 	#if defined(_WIN32)
 	// Attempt to run as a service
 	if (cRoot::m_RunAsService)