4 files changed, 150 insertions, 11 deletions

diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 1226a2319..b5c272cf2 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -629,6 +629,7 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 			// Handle drowning
 			HandleAir();
 		}
+		DetectPortal();
 
 		// None of the above functions change position, we remain in the chunk of NextChunk
 		HandlePhysics(a_Dt, *NextChunk);
@@ -1039,6 +1040,122 @@ void cEntity::DetectCacti(void)
 
 
 
+void cEntity::DetectPortal()
+{
+	int X = POSX_TOINT, Y = POSY_TOINT, Z = POSZ_TOINT;
+	if ((Y > 0) && (Y < cChunkDef::Height))
+	{
+		switch (GetWorld()->GetBlock(X, Y, Z))
+		{
+			case E_BLOCK_NETHER_PORTAL:
+			{
+				switch (GetWorld()->GetDimension())
+				{
+					case dimNether:
+					{
+						AString OverworldName = GetWorld()->GetName().substr(0, GetWorld()->GetName().size() - 7);
+						cFile::CreateFolder(FILE_IO_PREFIX + OverworldName);
+						cIniFile File;
+						File.ReadFile(OverworldName + "/world.ini");
+						File.SetValue("General", "Dimension", "Overworld");
+						File.WriteFile(OverworldName + "/world.ini");
+
+						MoveToWorld(OverworldName, cRoot::Get()->CreateAndInitializeWorld(OverworldName));
+						break;
+					}
+					case dimOverworld:
+					{
+						AString NetherWorldName = GetWorld()->GetName() + "_nether";
+						cFile::CreateFolder(FILE_IO_PREFIX + NetherWorldName);
+						cIniFile File;
+						File.ReadFile(NetherWorldName + "/world.ini");
+						File.SetValue("General", "Dimension", "Nether");
+						File.WriteFile(NetherWorldName + "/world.ini");
+
+						MoveToWorld(NetherWorldName, cRoot::Get()->CreateAndInitializeWorld(NetherWorldName));
+						break;
+					}
+					default: break;
+				}
+				break;
+			}
+			case E_BLOCK_END_PORTAL:
+			{
+				switch (GetWorld()->GetDimension())
+				{
+					case dimEnd:
+					{
+						AString OverworldName = GetWorld()->GetName().substr(0, GetWorld()->GetName().size() - 4);
+						cFile::CreateFolder(FILE_IO_PREFIX + OverworldName);
+						cIniFile File;
+						File.ReadFile(OverworldName + "/world.ini");
+						File.SetValue("General", "Dimension", "Overworld");
+						File.WriteFile(OverworldName + "/world.ini");
+
+						MoveToWorld(OverworldName, cRoot::Get()->CreateAndInitializeWorld(OverworldName));
+						break;
+					}
+					case dimOverworld:
+					{
+						AString EndWorldName = GetWorld()->GetName() + "_end";
+						cFile::CreateFolder(FILE_IO_PREFIX + EndWorldName);
+						cIniFile File;
+						File.ReadFile(EndWorldName + "/world.ini");
+						File.SetValue("General", "Dimension", "End");
+						File.WriteFile(EndWorldName + "/world.ini");
+
+						MoveToWorld(EndWorldName, cRoot::Get()->CreateAndInitializeWorld(EndWorldName));
+						break;
+					}
+					default: break;
+				}
+			}
+			default: break;
+		}
+	}
+}
+
+
+
+
+
+bool cEntity::MoveToWorld(const AString & a_WorldName, cWorld * a_World)
+{
+	cWorld * World;
+	if (a_World == NULL)
+	{
+		World = cRoot::Get()->GetWorld(a_WorldName);
+		if (World == NULL)
+		{
+			LOG("%s: Couldn't find world \"%s\".", __FUNCTION__, a_WorldName);
+			return false;
+		}
+	}
+	else
+	{
+		World = a_World;
+	}
+
+	if (GetWorld() == World)
+	{
+		return false;
+	}
+
+	// Remove all links to the old world
+	GetWorld()->RemoveEntity(this);
+	GetWorld()->BroadcastDestroyEntity(*this);
+
+	// Add to all the necessary parts of the new world
+	SetWorld(World);
+	World->AddEntity(this);
+
+	return true;
+}
+
+
+
+
+
 void cEntity::SetSwimState(cChunk & a_Chunk)
 {
 	int RelY = (int)floor(GetPosY() + 0.1);
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 0c393c0f5..da8256606 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -323,6 +323,9 @@ public:
 
 	/** Detects the time for application of cacti damage */
 	virtual void DetectCacti(void);
+
+	/** Detects whether we are in a portal block and begins teleportation procedures if so */
+	virtual void DetectPortal(void);
 	
 	/// Handles when the entity is in the void
 	virtual void TickInVoid(cChunk & a_Chunk);
@@ -365,6 +368,9 @@ public:
 	
 	/// Teleports to the coordinates specified
 	virtual void TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ);
+
+	/** Moves entity to specified world */
+	virtual bool MoveToWorld(const AString & a_WorldName, cWorld * a_World = NULL);
 	
 	// tolua_end
 	
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 0dfdcfd8b..140b98d5d 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -134,7 +134,7 @@ cPlayer::~cPlayer(void)
 
 	SaveToDisk();
 
-	m_World->RemovePlayer( this );
+	m_World->RemovePlayer(this);
 
 	m_ClientHandle = NULL;
 	
@@ -150,8 +150,6 @@ cPlayer::~cPlayer(void)
 void cPlayer::Destroyed()
 {
 	CloseWindow(false);
-	
-	m_ClientHandle = NULL;
 }
 
 
@@ -952,7 +950,7 @@ void cPlayer::Respawn(void)
 	m_LifetimeTotalXp = 0;
 	// ToDo: send score to client? How?
 
-	m_ClientHandle->SendRespawn();
+	m_ClientHandle->SendRespawn(*GetWorld());
 	
 	// Extinguish the fire:
 	StopBurning();
@@ -1574,12 +1572,25 @@ void cPlayer::TossItems(const cItems & a_Items)
 
 
 
-bool cPlayer::MoveToWorld(const char * a_WorldName)
+bool cPlayer::MoveToWorld(const AString & a_WorldName, cWorld * a_World)
 {
-	cWorld * World = cRoot::Get()->GetWorld(a_WorldName);
-	if (World == NULL)
+	cWorld * World;	
+	if (a_World == NULL)
+	{
+		World = cRoot::Get()->GetWorld(a_WorldName);
+		if (World == NULL)
+		{
+			LOG("%s: Couldn't find world \"%s\".", __FUNCTION__, a_WorldName);
+			return false;
+		}
+	}
+	else
+	{
+		World = a_World;
+	}
+
+	if (GetWorld() == World)
 	{
-		LOG("%s: Couldn't find world \"%s\".", __FUNCTION__, a_WorldName);
 		return false;
 	}
 	
@@ -1588,11 +1599,11 @@ bool cPlayer::MoveToWorld(const char * a_WorldName)
 	// Remove all links to the old world
 	m_World->RemovePlayer(this);
 	m_ClientHandle->RemoveFromAllChunks();
-	m_World->RemoveEntity(this);
 
 	// If the dimension is different, we can send the respawn packet
 	// http://wiki.vg/Protocol#0x09 says "don't send if dimension is the same" as of 2013_07_02
-	m_ClientHandle->MoveToWorld(*World, (OldDimension != World->GetDimension()));
+	bool SendRespawn = OldDimension != World->GetDimension();
+	m_ClientHandle->MoveToWorld(*World, SendRespawn);
 
 	// Add player to all the necessary parts of the new world
 	SetWorld(World);
@@ -1600,6 +1611,11 @@ bool cPlayer::MoveToWorld(const char * a_WorldName)
 	World->AddEntity(this);
 	World->AddPlayer(this);
 
+	if (SendRespawn)
+	{
+		GetClientHandle()->SendPlayerMoveLook();
+	}
+
 	return true;
 }
 
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index b7cb27d6c..582f79b86 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -328,7 +328,7 @@ public:
 	void SetVisible( bool a_bVisible );										// tolua_export
 	bool IsVisible(void) const { return m_bVisible; }									// tolua_export
 
-	bool MoveToWorld(const char * a_WorldName);  // tolua_export
+	virtual bool MoveToWorld(const AString & a_WorldName, cWorld * a_World = NULL) override;  // tolua_export
 
 	bool SaveToDisk(void);
 	bool LoadFromDisk(void);