12 files changed, 69 insertions, 421 deletions

diff --git a/src/Blocks/BlockBed.cpp b/src/Blocks/BlockBed.cpp
index 3b6328b38..57b9855d0 100644
--- a/src/Blocks/BlockBed.cpp
+++ b/src/Blocks/BlockBed.cpp
@@ -14,24 +14,6 @@
 
 
 
-void cBlockBedHandler::OnPlacedByPlayer(
-	cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-	int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-	int a_CursorX, int a_CursorY, int a_CursorZ,
-	BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-)
-{
-	if (a_BlockMeta < 8)
-	{
-		Vector3i Direction = MetaDataToDirection(a_BlockMeta);
-		a_ChunkInterface.SetBlock(a_BlockX + Direction.x, a_BlockY, a_BlockZ + Direction.z, E_BLOCK_BED, a_BlockMeta | 0x8);
-	}
-}
-
-
-
-
-
 void cBlockBedHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
 {
 	NIBBLETYPE OldMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
@@ -151,7 +133,7 @@ void cBlockBedHandler::OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface
 					cPlayerBedStateUnsetter Unsetter(Vector3i(a_BlockX + PillowDirection.x, a_BlockY, a_BlockZ + PillowDirection.z), a_WorldInterface);
 					a_WorldInterface.ForEachPlayer(Unsetter);
 					a_WorldInterface.SetTimeOfDay(0);
-					a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta & 0xB);  // Where 0xB = 1011, and zero is to make sure 'occupied' bit is always unset
+					a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta & 0x0b);  // Clear the "occupied" bit of the bed's block
 				}
 			}
 		}
diff --git a/src/Blocks/BlockBed.h b/src/Blocks/BlockBed.h
index a8b5be899..5b746110a 100644
--- a/src/Blocks/BlockBed.h
+++ b/src/Blocks/BlockBed.h
@@ -23,7 +23,6 @@ public:
 	}
 
 
-	virtual void OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
 	virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override;
 	virtual void OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override;
 
diff --git a/src/Blocks/BlockBigFlower.h b/src/Blocks/BlockBigFlower.h
index 3577bdd40..5240ddf53 100644
--- a/src/Blocks/BlockBigFlower.h
+++ b/src/Blocks/BlockBigFlower.h
@@ -85,18 +85,6 @@ public:
 	}
 
 
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override
-	{
-		int Meta = (((int)floor(a_Player->GetYaw() * 4.0 / 360.0 + 0.5) & 0x3) + 2) % 4;
-		a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY + 1, a_BlockZ, m_BlockType, 0x8 | Meta);
-	}
-
-
 	virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override
 	{
 		NIBBLETYPE OldMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
diff --git a/src/Blocks/BlockChest.h b/src/Blocks/BlockChest.h
index 201f2309b..01fec7f8b 100644
--- a/src/Blocks/BlockChest.h
+++ b/src/Blocks/BlockChest.h
@@ -62,50 +62,11 @@ public:
 		}
 		
 		// Single chest, get meta from rotation only
-		a_BlockMeta = RotationToMetaData(yaw);
+		a_BlockMeta = PlayerYawToMetaData(yaw);
 		return true;
 	}
 	
 
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override
-	{
-		// Check if this forms a doublechest, if so, need to adjust the meta:
-		cBlockArea Area;
-		if (!Area.Read(&a_ChunkInterface, a_BlockX - 1, a_BlockX + 1, a_BlockY, a_BlockY, a_BlockZ - 1, a_BlockZ + 1))
-		{
-			return;
-		}
-		
-		double rot = a_Player->GetYaw();  // FIXME: Rename rot to yaw
-		// Choose meta from player rotation, choose only between 2 or 3
-		NIBBLETYPE NewMeta = ((rot >= -90) && (rot < 90)) ? 2 : 3;
-		if (
-			CheckAndAdjustNeighbor(a_ChunkInterface, Area, 0, 1, NewMeta) ||
-			CheckAndAdjustNeighbor(a_ChunkInterface, Area, 2, 1, NewMeta)
-		)
-		{
-			// Forming a double chest in the X direction
-			return;
-		}
-		// Choose meta from player rotation, choose only between 4 or 5
-		NewMeta = (rot < 0) ? 4 : 5;
-		if (
-			CheckAndAdjustNeighbor(a_ChunkInterface, Area, 1, 0, NewMeta) ||
-			CheckAndAdjustNeighbor(a_ChunkInterface, Area, 2, 2, NewMeta)
-		)
-		{
-			// Forming a double chest in the Z direction
-			return;
-		}
-		
-		// Single chest, no further processing needed
-	}
-	
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		int BlockX = a_RelX + a_Chunk.GetPosX() * cChunkDef::Width;
@@ -180,30 +141,30 @@ public:
 	}
 	
 	
-	/// Translates player rotation when placing a chest into the chest block metadata. Valid for single chests only
-	static NIBBLETYPE RotationToMetaData(double a_Rotation)
+	/** Translates player yaw when placing a chest into the chest block metadata. Valid for single chests only */
+	static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
 	{
-		a_Rotation += 90 + 45;  // So its not aligned with axis
+		a_Yaw += 90 + 45;  // So its not aligned with axis
 
-		if (a_Rotation > 360.f)
+		if (a_Yaw > 360.f)
 		{
-			a_Rotation -= 360.f;
+			a_Yaw -= 360.f;
 		}
-		if ((a_Rotation >= 0.f) && (a_Rotation < 90.f))
+		if ((a_Yaw >= 0.f) && (a_Yaw < 90.f))
 		{
-			return 0x4;
+			return 0x04;
 		}
-		else if ((a_Rotation >= 180) && (a_Rotation < 270))
+		else if ((a_Yaw >= 180) && (a_Yaw < 270))
 		{
-			return 0x5;
+			return 0x05;
 		}
-		else if ((a_Rotation >= 90) && (a_Rotation < 180))
+		else if ((a_Yaw >= 90) && (a_Yaw < 180))
 		{
-			return 0x2;
+			return 0x02;
 		}
 		else
 		{
-			return 0x3;
+			return 0x03;
 		}
 	}
 	
diff --git a/src/Blocks/BlockDoor.cpp b/src/Blocks/BlockDoor.cpp
index 90b7b15c2..d2bf180be 100644
--- a/src/Blocks/BlockDoor.cpp
+++ b/src/Blocks/BlockDoor.cpp
@@ -23,7 +23,7 @@ void cBlockDoorHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldIn
 	if (OldMeta & 8)
 	{
 		// Was upper part of door
-		if (IsDoor(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ)))
+		if (IsDoorBlockType(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ)))
 		{
 			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
 		}
@@ -31,7 +31,7 @@ void cBlockDoorHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldIn
 	else
 	{
 		// Was lower part
-		if (IsDoor(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)))
+		if (IsDoorBlockType(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)))
 		{
 			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY + 1, a_BlockZ, E_BLOCK_AIR, 0);
 		}
@@ -84,52 +84,34 @@ void cBlockDoorHandler::OnCancelRightClick(cChunkInterface & a_ChunkInterface, c
 
 
 
-void cBlockDoorHandler::OnPlacedByPlayer(
-	cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-	int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-	int a_CursorX, int a_CursorY, int a_CursorZ,
-	BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-)
-{
-	NIBBLETYPE a_TopBlockMeta = 8;
-	if (
-		((a_BlockMeta == 0) && (a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1) == m_BlockType)) ||
-		((a_BlockMeta == 1) && (a_ChunkInterface.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ) == m_BlockType)) ||
-		((a_BlockMeta == 2) && (a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1) == m_BlockType)) ||
-		((a_BlockMeta == 3) && (a_ChunkInterface.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ) == m_BlockType))
-	)
-	{
-		a_TopBlockMeta = 9;
-	}
-	a_ChunkInterface.SetBlock(a_BlockX, a_BlockY + 1, a_BlockZ, m_BlockType, a_TopBlockMeta);
-}
-
-
-
-
-
 NIBBLETYPE cBlockDoorHandler::MetaRotateCCW(NIBBLETYPE a_Meta)
 {
 	if (a_Meta & 0x08)
 	{
+		// The meta doesn't change for the top block
 		return a_Meta;
 	}
 	else
 	{
+		// Rotate the bottom block
 		return super::MetaRotateCCW(a_Meta);
 	}
 }
 
 
 
+
+
 NIBBLETYPE cBlockDoorHandler::MetaRotateCW(NIBBLETYPE a_Meta)
 {
 	if (a_Meta & 0x08)
 	{
+		// The meta doesn't change for the top block
 		return a_Meta;
 	}
 	else
 	{
+		// Rotate the bottom block
 		return super::MetaRotateCW(a_Meta);
 	}
 }
@@ -138,8 +120,10 @@ NIBBLETYPE cBlockDoorHandler::MetaRotateCW(NIBBLETYPE a_Meta)
 
 NIBBLETYPE cBlockDoorHandler::MetaMirrorXY(NIBBLETYPE a_Meta)
 {
-	// Top bit (0x08) contains door panel type (Top/Bottom panel)  Only Bottom panels contain position data
-	// Return a_Meta if panel is a top panel (0x08 bit is set to 1)
+	/*
+	Top bit (0x08) contains door block position (Top / Bottom). Only Bottom blocks contain position data
+	Return a_Meta if panel is a top panel (0x08 bit is set to 1)
+	*/
 
 	// Note: Currently, you can not properly mirror the hinges on a double door.  The orientation of the door is stored
 	// in only the bottom tile while the hinge position is in the top tile.  This function only operates on one tile at a time,
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h
index 92ad8da12..334519077 100644
--- a/src/Blocks/BlockDoor.h
+++ b/src/Blocks/BlockDoor.h
@@ -101,14 +101,6 @@ public:
 	}
 
 
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override;
-
-
 	virtual bool IsUseable(void) override
 	{
 		return true;
@@ -117,11 +109,19 @@ public:
 
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
-		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
+		return ((a_RelY > 0) && CanBeOn(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)));
+	}
+
+
+	/** Returns true if door can be placed on the specified block type. */
+	static bool CanBeOn(BLOCKTYPE a_BlockType)
+	{
+		// Vanilla refuses to place doors on transparent blocks
+		return !cBlockInfo::IsTransparent(a_BlockType);
 	}
 
 
-	bool CanReplaceBlock(BLOCKTYPE a_BlockType)
+	static bool CanReplaceBlock(BLOCKTYPE a_BlockType)
 	{
 		switch (a_BlockType)
 		{
@@ -170,8 +170,21 @@ public:
 	}
 
 
+	/** Returns a vector pointing one block in the direction the door is facing (where the outside is). */
+	inline static Vector3i GetRelativeDirectionToOutside(NIBBLETYPE a_BlockMeta)
+	{
+		switch (a_BlockMeta & 0x03)
+		{
+			case 0:  return Vector3i(-1, 0,  0);  // Facing West  / XM
+			case 1:  return Vector3i( 0, 0, -1);  // Facing North / ZM
+			case 2:  return Vector3i( 1, 0,  0);  // Facing East  / XP
+			default: return Vector3i( 0, 0,  1);  // Facing South / ZP
+		}
+	}
+
+
 	/** Returns true if the specified blocktype is any kind of door */
-	inline static bool IsDoor(BLOCKTYPE a_Block)
+	inline static bool IsDoorBlockType(BLOCKTYPE a_Block)
 	{
 		switch (a_Block)
 		{
@@ -193,6 +206,8 @@ public:
 	}
 
 
+	/** Returns true iff the door at the specified coords is open.
+	The coords may point to either the top part or the bottom part of the door. */
 	static NIBBLETYPE IsOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
 	{
 		NIBBLETYPE Meta = GetCompleteDoorMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
@@ -237,7 +252,7 @@ public:
 	static void SetOpen(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, bool a_Open)
 	{
 		BLOCKTYPE Block = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ);
-		if (!IsDoor(Block))
+		if (!IsDoorBlockType(Block))
 		{
 			return;
 		}
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index d532aa1dc..2de4a3e4c 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -369,7 +369,7 @@ void cBlockHandler::OnUpdate(cChunkInterface & cChunkInterface, cWorldInterface
 
 
 
-void cBlockHandler::OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
+void cBlockHandler::OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, const sSetBlock & a_BlockChange)
 {
 }
 
diff --git a/src/Blocks/BlockHandler.h b/src/Blocks/BlockHandler.h
index f2298afb5..4dec0dc95 100644
--- a/src/Blocks/BlockHandler.h
+++ b/src/Blocks/BlockHandler.h
@@ -42,15 +42,12 @@ public:
 		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
 	);
 
-	/// Called by cWorld::SetBlock() after the block has been set
+	/** Called by cWorld::SetBlock() after the block has been set */
 	virtual void OnPlaced(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
 	
-	/// Called by cClientHandle::HandlePlaceBlock() after the player has placed a new block. Called after OnPlaced().
+	/** Called by cPlayer::PlaceBlocks() for each block after it has been set to the world. Called after OnPlaced(). */
 	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
+		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, const sSetBlock & a_BlockChange
 	);
 	
 	/// Called before the player has destroyed a block
@@ -96,7 +93,8 @@ public:
 	*/
 	// virtual bool CanBePlacedAt(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir);
 		
-	/// Called to check whether this block supports a rclk action. If it returns true, OnUse() is called
+	/** Called to check whether this block supports a rclk action.
+	If it returns true, OnUse() is called */
 	virtual bool IsUseable(void);
 	
 	/** Indicates whether the client will click through this block.
@@ -109,20 +107,21 @@ public:
 	*/
 	virtual bool DoesIgnoreBuildCollision(void);
 
-	/// <summary>Similar to DoesIgnoreBuildCollision(void), but is used for cases where block meta/player item-in-hand is needed to determine collision (thin snow)</summary>
+	/** Similar to DoesIgnoreBuildCollision(void), but is used for cases where block's meta or
+	player's item-in-hand is needed to determine collision (thin snow) */
 	virtual bool DoesIgnoreBuildCollision(cPlayer *, NIBBLETYPE a_Meta)
 	{
 		UNUSED(a_Meta);
 		return DoesIgnoreBuildCollision();
 	}
 
-	/// <summary>Returns if this block drops if it gets destroyed by an unsuitable situation. Default: true</summary>
+	/** Returns if this block drops if it gets destroyed by an unsuitable situation.
+	Default: true */
 	virtual bool DoesDropOnUnsuitable(void);
 	
 	/** Called when one of the neighbors gets set; equivalent to MC block update.
 	By default drops if position no more suitable (CanBeAt(), DoesDropOnUnsuitable(), Drop()),
-	and wakes up all simulators on the block.
-	*/
+	and wakes up all simulators on the block. */
 	virtual void Check(cChunkInterface & ChunkInterface, cBlockPluginInterface & a_PluginInterface, int a_RelX, int a_RelY, int a_RelZ, cChunk & a_Chunk);
 	
 	/// <summary>Rotates a given block meta counter-clockwise. Default: no change</summary>
diff --git a/src/Blocks/BlockMobHead.h b/src/Blocks/BlockMobHead.h
index e21e42334..cb8143749 100644
--- a/src/Blocks/BlockMobHead.h
+++ b/src/Blocks/BlockMobHead.h
@@ -12,16 +12,18 @@ class cBlockMobHeadHandler :
 	public cBlockEntityHandler
 {
 public:
-	cBlockMobHeadHandler(BLOCKTYPE a_BlockType)
-		: cBlockEntityHandler(a_BlockType)
+	cBlockMobHeadHandler(BLOCKTYPE a_BlockType):
+		cBlockEntityHandler(a_BlockType)
 	{
 	}
 	
+
 	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
-		// The drop spawn is in OnDestroyed method
+		// The drop spawn is in the OnDestroyedByPlayer method
 	}
 	
+
 	virtual void OnDestroyedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) override
 	{
 		if (a_Player->IsGameModeCreative())
@@ -61,202 +63,6 @@ public:
 		
 		a_WorldInterface.DoWithBlockEntityAt(a_BlockX, a_BlockY, a_BlockZ, Callback);
 	}
-
-	bool TrySpawnWither(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
-	{
-		if (a_BlockY < 2)
-		{
-			return false;
-		}
-
-		class cCallback : public cBlockEntityCallback
-		{
-			bool m_IsWither;
-			
-			virtual bool Item(cBlockEntity * a_BlockEntity)
-			{
-				if (a_BlockEntity->GetBlockType() != E_BLOCK_HEAD)
-				{
-					return false;
-				}
-				cMobHeadEntity * MobHeadEntity = static_cast<cMobHeadEntity*>(a_BlockEntity);
-
-				m_IsWither = (MobHeadEntity->GetType() == SKULL_TYPE_WITHER);
-				return false;
-			}
-		
-		public:
-			cCallback () : m_IsWither(false) {}
-
-			bool IsWither(void) const { return m_IsWither; }
-
-			void Reset(void) { m_IsWither = false; }
-
-		} CallbackA, CallbackB;
-
-		class cPlayerCallback : public cPlayerListCallback
-		{
-			Vector3f m_Pos;
-
-			virtual bool Item(cPlayer * a_Player)
-			{
-				// TODO 2014-05-21 xdot: Vanilla minecraft uses an AABB check instead of a radius one
-				double Dist = (a_Player->GetPosition() - m_Pos).Length();
-				if (Dist < 50.0)
-				{
-					// If player is close, award achievement
-					a_Player->AwardAchievement(achSpawnWither);
-				}
-				return false;
-			}
-
-		public:
-			cPlayerCallback(const Vector3f & a_Pos) : m_Pos(a_Pos) {}
-
-		} PlayerCallback(Vector3f((float)a_BlockX, (float)a_BlockY, (float)a_BlockZ));
-
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX, a_BlockY, a_BlockZ, CallbackA);
-
-		if (!CallbackA.IsWither())
-		{
-			return false;
-		}
-
-		CallbackA.Reset();
-		
-		BLOCKTYPE BlockY1 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);
-		BLOCKTYPE BlockY2 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 2, a_BlockZ);
-
-		if ((BlockY1 != E_BLOCK_SOULSAND) || (BlockY2 != E_BLOCK_SOULSAND))
-		{
-			return false;
-		}
-		
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX - 1, a_BlockY, a_BlockZ, CallbackA);
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX + 1, a_BlockY, a_BlockZ, CallbackB);
-
-		BLOCKTYPE Block1 = a_ChunkInterface.GetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ);
-		BLOCKTYPE Block2 = a_ChunkInterface.GetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ);
-
-		if ((Block1 == E_BLOCK_SOULSAND) && (Block2 == E_BLOCK_SOULSAND) && CallbackA.IsWither() && CallbackB.IsWither())
-		{
-			a_ChunkInterface.FastSetBlock(a_BlockX,     a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX,     a_BlockY - 2, a_BlockZ, E_BLOCK_AIR, 0);
-
-			// Block entities
-			a_ChunkInterface.SetBlock(a_BlockX + 1, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.SetBlock(a_BlockX,     a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.SetBlock(a_BlockX - 1, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
-
-			// Spawn the wither:
-			a_WorldInterface.SpawnMob(a_BlockX + 0.5, a_BlockY - 2, a_BlockZ + 0.5, mtWither);
-
-			// Award Achievement
-			a_WorldInterface.ForEachPlayer(PlayerCallback);
-
-			return true;
-		}
-
-		CallbackA.Reset();
-		CallbackB.Reset();
-		
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX, a_BlockY, a_BlockZ - 1, CallbackA);
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX, a_BlockY, a_BlockZ + 1, CallbackB);
-
-		Block1 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1);
-		Block2 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1);
-
-		if ((Block1 == E_BLOCK_SOULSAND) && (Block2 == E_BLOCK_SOULSAND) && CallbackA.IsWither() && CallbackB.IsWither())
-		{
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ,     E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 2, a_BlockZ,     E_BLOCK_AIR, 0);
-
-			// Block entities
-			a_ChunkInterface.SetBlock(a_BlockX, a_BlockY, a_BlockZ + 1, E_BLOCK_AIR, 0);
-			a_ChunkInterface.SetBlock(a_BlockX, a_BlockY, a_BlockZ,     E_BLOCK_AIR, 0);
-			a_ChunkInterface.SetBlock(a_BlockX, a_BlockY, a_BlockZ - 1, E_BLOCK_AIR, 0);
-
-			// Spawn the wither:
-			a_WorldInterface.SpawnMob(a_BlockX + 0.5, a_BlockY - 2, a_BlockZ + 0.5, mtWither);
-
-			// Award Achievement
-			a_WorldInterface.ForEachPlayer(PlayerCallback);
-
-			return true;
-		}
-
-		return false;
-	}
-	
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override
-	{
-		class cCallback : public cBlockEntityCallback
-		{
-			cPlayer * m_Player;
-			NIBBLETYPE m_OldBlockMeta;
-			NIBBLETYPE m_NewBlockMeta;
-			
-			virtual bool Item(cBlockEntity * a_BlockEntity)
-			{
-				if (a_BlockEntity->GetBlockType() != E_BLOCK_HEAD)
-				{
-					return false;
-				}
-				cMobHeadEntity * MobHeadEntity = static_cast<cMobHeadEntity*>(a_BlockEntity);
-
-				int Rotation = 0;
-				if (m_NewBlockMeta == 1)
-				{
-					Rotation = (int) floor(m_Player->GetYaw() * 16.0F / 360.0F + 0.5) & 0xF;
-				}
-
-				MobHeadEntity->SetType(static_cast<eMobHeadType>(m_OldBlockMeta));
-				MobHeadEntity->SetRotation(static_cast<eMobHeadRotation>(Rotation));
-				MobHeadEntity->GetWorld()->BroadcastBlockEntity(MobHeadEntity->GetPosX(), MobHeadEntity->GetPosY(), MobHeadEntity->GetPosZ());
-				return false;
-			}
-		
-		public:
-			cCallback (cPlayer * a_CBPlayer, NIBBLETYPE a_OldBlockMeta, NIBBLETYPE a_NewBlockMeta) :
-				m_Player(a_CBPlayer),
-				m_OldBlockMeta(a_OldBlockMeta),
-				m_NewBlockMeta(a_NewBlockMeta)
-			{}
-		};
-		cCallback Callback(a_Player, a_BlockMeta, static_cast<NIBBLETYPE>(a_BlockFace));
-		
-		a_BlockMeta = (NIBBLETYPE)a_BlockFace;
-		a_WorldInterface.DoWithBlockEntityAt(a_BlockX, a_BlockY, a_BlockZ, Callback);
-		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta);
-
-		if (a_BlockMeta == SKULL_TYPE_WITHER)
-		{
-			static const Vector3i Coords[] =
-			{
-				Vector3i( 0, 0,  0),
-				Vector3i( 1, 0,  0),
-				Vector3i(-1, 0,  0),
-				Vector3i( 0, 0,  1),
-				Vector3i( 0, 0, -1),
-			};
-			for (size_t i = 0; i < ARRAYCOUNT(Coords); ++i)
-			{
-				if (TrySpawnWither(a_ChunkInterface, a_WorldInterface, a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z))
-				{
-					break;
-				}
-			}  // for i - Coords[]
-		}
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockPumpkin.h b/src/Blocks/BlockPumpkin.h
index 275d1422a..af00fbe8e 100644
--- a/src/Blocks/BlockPumpkin.h
+++ b/src/Blocks/BlockPumpkin.h
@@ -17,70 +17,6 @@ public:
 	}
 
 	
-	virtual void OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override
-	{
-		// Check whether the pumpkin is a part of a golem or a snowman
-		
-		if (a_BlockY < 2)
-		{
-			// The pumpkin is too low for a golem / snowman
-			return;
-		}
-		
-		BLOCKTYPE BlockY1 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);
-		BLOCKTYPE BlockY2 = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 2, a_BlockZ);
-		
-		// Check for a snow golem:
-		if ((BlockY1 == E_BLOCK_SNOW_BLOCK) && (BlockY2 == E_BLOCK_SNOW_BLOCK))
-		{
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY,     a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 2, a_BlockZ, E_BLOCK_AIR, 0);
-			a_WorldInterface.SpawnMob(a_BlockX + 0.5, a_BlockY - 2, a_BlockZ + 0.5, mtSnowGolem);
-			return;
-		}
-		
-		// Check for an iron golem. First check only the body and legs, since those are the same for both orientations:
-		if ((BlockY1 != E_BLOCK_IRON_BLOCK) || (BlockY2 != E_BLOCK_IRON_BLOCK))
-		{
-			// One of the blocks is not an iron, no chance of a golem here
-			return;
-		}
-		
-		// Now check both orientations for hands:
-		if (
-			(a_ChunkInterface.GetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ) == E_BLOCK_IRON_BLOCK) &&
-			(a_ChunkInterface.GetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ) == E_BLOCK_IRON_BLOCK)
-		)
-		{
-			// Remove the iron blocks:
-			a_ChunkInterface.FastSetBlock(a_BlockX,     a_BlockY,     a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX,     a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX,     a_BlockY - 2, a_BlockZ, E_BLOCK_AIR, 0);
-			
-			// Spawn the golem:
-			a_WorldInterface.SpawnMob(a_BlockX + 0.5, a_BlockY - 2, a_BlockZ + 0.5, mtIronGolem);
-		}
-		else if (
-			(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1) == E_BLOCK_IRON_BLOCK) &&
-			(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1) == E_BLOCK_IRON_BLOCK)
-		)
-		{
-			// Remove the iron blocks:
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY,     a_BlockZ,     E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ,     E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1, E_BLOCK_AIR, 0);
-			a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 2, a_BlockZ,     E_BLOCK_AIR, 0);
-			
-			// Spawn the golem:
-			a_WorldInterface.SpawnMob(a_BlockX + 0.5, a_BlockY - 2, a_BlockZ + 0.5, mtIronGolem);
-		}
-	}
-
-
 	virtual bool GetPlacementBlockTypeMeta(
 		cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
 		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
diff --git a/src/Blocks/BlockSignPost.h b/src/Blocks/BlockSignPost.h
index d97501651..99c000633 100644
--- a/src/Blocks/BlockSignPost.h
+++ b/src/Blocks/BlockSignPost.h
@@ -53,17 +53,6 @@ public:
 	}
 
 
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override
-	{
-		a_Player->GetClientHandle()->SendEditSign(a_BlockX, a_BlockY, a_BlockZ);
-	}
-
-
 	virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
 	{
 		return (a_Meta + 4) & 0x0f;
diff --git a/src/Blocks/BlockWallSign.h b/src/Blocks/BlockWallSign.h
index 0abe9c52c..b6599d033 100644
--- a/src/Blocks/BlockWallSign.h
+++ b/src/Blocks/BlockWallSign.h
@@ -27,17 +27,6 @@ public:
 	}
 
 
-	virtual void OnPlacedByPlayer(
-		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
-		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
-		int a_CursorX, int a_CursorY, int a_CursorZ,
-		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
-	) override
-	{
-		a_Player->GetClientHandle()->SendEditSign(a_BlockX, a_BlockY, a_BlockZ);
-	}
-
-
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		int BlockX = (a_Chunk.GetPosX() * cChunkDef::Width) + a_RelX;