5 files changed, 34 insertions, 17 deletions
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.",