Merge pull request #697 from Howaner/Skull

Add Skulls/Heads to MCServer

src/Bindings/ManualBindings.cpp

@@ -22,6 +22,7 @@
 #include "../BlockEntities/FurnaceEntity.h"
 #include "../BlockEntities/HopperEntity.h"
 #include "../BlockEntities/NoteEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
 #include "md5/md5.h"
 #include "../LineBlockTracer.h"
 #include "../WorldStorage/SchematicFileSerializer.h"
@@ -2416,6 +2417,7 @@ void ManualBindings::Bind(lua_State * tolua_S)
 			tolua_function(tolua_S, "DoWithFurnaceAt",           tolua_DoWithXYZ<cWorld, cFurnaceEntity,      &cWorld::DoWithFurnaceAt>);
 			tolua_function(tolua_S, "DoWithNoteBlockAt",         tolua_DoWithXYZ<cWorld, cNoteEntity,         &cWorld::DoWithNoteBlockAt>);
 			tolua_function(tolua_S, "DoWithCommandBlockAt",      tolua_DoWithXYZ<cWorld, cCommandBlockEntity, &cWorld::DoWithCommandBlockAt>);
+			tolua_function(tolua_S, "DoWithMobHeadBlockAt",      tolua_DoWithXYZ<cWorld, cMobHeadEntity,      &cWorld::DoWithMobHeadBlockAt>);
 			tolua_function(tolua_S, "DoWithPlayer",              tolua_DoWith<   cWorld, cPlayer,             &cWorld::DoWithPlayer>);
 			tolua_function(tolua_S, "FindAndDoWithPlayer",       tolua_DoWith<   cWorld, cPlayer,             &cWorld::FindAndDoWithPlayer>);
 			tolua_function(tolua_S, "ForEachBlockEntityInChunk", tolua_ForEachInChunk<cWorld, cBlockEntity,   &cWorld::ForEachBlockEntityInChunk>);

src/BlockEntities/BlockEntity.cpp

@@ -15,6 +15,7 @@
 #include "JukeboxEntity.h"
 #include "NoteEntity.h"
 #include "SignEntity.h"
+#include "MobHeadEntity.h"
 
 
 
@@ -29,6 +30,7 @@ cBlockEntity * cBlockEntity::CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE
 		case E_BLOCK_DISPENSER:     return new cDispenserEntity   (a_BlockX, a_BlockY, a_BlockZ, a_World);
 		case E_BLOCK_DROPPER:       return new cDropperEntity     (a_BlockX, a_BlockY, a_BlockZ, a_World);
 		case E_BLOCK_ENDER_CHEST:   return new cEnderChestEntity  (a_BlockX, a_BlockY, a_BlockZ, a_World);
+		case E_BLOCK_HEAD:          return new cMobHeadEntity     (a_BlockX, a_BlockY, a_BlockZ, a_World);
 		case E_BLOCK_LIT_FURNACE:   return new cFurnaceEntity     (a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta, a_World);
 		case E_BLOCK_FURNACE:       return new cFurnaceEntity     (a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta, a_World);
 		case E_BLOCK_HOPPER:        return new cHopperEntity      (a_BlockX, a_BlockY, a_BlockZ, a_World);

src/BlockEntities/MobHeadEntity.cpp

@@ -0,0 +1,108 @@
+
+// MobHeadEntity.cpp
+
+// Implements the cMobHeadEntity class representing a single skull/head in the world
+
+#include "Globals.h"
+#include "json/json.h"
+#include "MobHeadEntity.h"
+#include "../Entities/Player.h"
+
+
+
+
+
+cMobHeadEntity::cMobHeadEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
+	super(E_BLOCK_HEAD, a_BlockX, a_BlockY, a_BlockZ, a_World),
+	m_Owner("")
+{
+}
+
+
+
+
+
+void cMobHeadEntity::UsedBy(cPlayer * a_Player)
+{
+	UNUSED(a_Player);
+}
+
+
+
+
+
+void cMobHeadEntity::SetType(const eMobHeadType & a_Type)
+{
+	if ((!m_Owner.empty()) && (a_Type != SKULL_TYPE_PLAYER))
+	{
+		m_Owner = "";
+	}
+	m_Type = a_Type;
+}
+
+
+
+
+
+void cMobHeadEntity::SetRotation(eMobHeadRotation a_Rotation)
+{
+	m_Rotation = a_Rotation;
+}
+
+
+
+
+
+void cMobHeadEntity::SetOwner(const AString & a_Owner)
+{
+	if ((a_Owner.length() > 16) || (m_Type != SKULL_TYPE_PLAYER))
+	{
+		return;
+	}
+	m_Owner = a_Owner;
+}
+
+
+
+
+
+void cMobHeadEntity::SendTo(cClientHandle & a_Client)
+{
+	a_Client.SendUpdateBlockEntity(*this);
+}
+
+
+
+
+
+bool cMobHeadEntity::LoadFromJson(const Json::Value & a_Value)
+{
+	m_PosX = a_Value.get("x", 0).asInt();
+	m_PosY = a_Value.get("y", 0).asInt();
+	m_PosZ = a_Value.get("z", 0).asInt();
+
+	m_Type      = static_cast<eMobHeadType>(a_Value.get("Type", 0).asInt());
+	m_Rotation  = static_cast<eMobHeadRotation>(a_Value.get("Rotation", 0).asInt());
+	m_Owner     = a_Value.get("Owner", "").asString();
+
+	return true;
+}
+
+
+
+
+
+void cMobHeadEntity::SaveToJson(Json::Value & a_Value)
+{
+	a_Value["x"] = m_PosX;
+	a_Value["y"] = m_PosY;
+	a_Value["z"] = m_PosZ;
+
+	a_Value["Type"] = m_Type;
+	a_Value["Rotation"]  = m_Rotation;
+	a_Value["Owner"]     = m_Owner;
+}
+
+
+
+

src/BlockEntities/MobHeadEntity.h

@@ -0,0 +1,79 @@
+// MobHeadEntity.h
+
+// Declares the cMobHeadEntity class representing a single skull/head in the world
+
+
+
+
+
+#pragma once
+
+#include "BlockEntity.h"
+
+
+
+
+
+namespace Json
+{
+	class Value;
+}
+
+
+
+
+
+// tolua_begin
+
+class cMobHeadEntity : 
+	public cBlockEntity
+{
+	typedef cBlockEntity super;
+	
+public:
+
+	// tolua_end
+	
+	/** Creates a new mob head entity at the specified block coords. a_World may be NULL */
+	cMobHeadEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
+
+	bool LoadFromJson( const Json::Value& a_Value );
+	virtual void SaveToJson(Json::Value& a_Value ) override;
+
+	// tolua_begin
+	
+	/** Set the Type */
+	void SetType(const eMobHeadType & a_SkullType);
+	
+	/** Set the Rotation */
+	void SetRotation(eMobHeadRotation a_Rotation);
+	
+	/** Set the Player Name for Mobheads with Player type */
+	void SetOwner(const AString & a_Owner);
+	
+	/** Get the Type */
+	eMobHeadType GetType(void) const { return m_Type; }
+	
+	/** Get the Rotation */
+	eMobHeadRotation GetRotation(void) const { return m_Rotation; }
+	
+	/** Get the setted Player Name */
+	AString GetOwner(void) const { return m_Owner; }
+	
+	// tolua_end
+	
+	virtual void UsedBy(cPlayer * a_Player) override;
+	virtual void SendTo(cClientHandle & a_Client) override;
+
+	static const char * GetClassStatic(void) { return "cMobHeadEntity"; }
+	
+private:
+
+	eMobHeadType m_Type;
+	eMobHeadRotation m_Rotation;
+	AString m_Owner;
+} ;  // tolua_export
+
+
+
+

src/Blocks/BlockHandler.cpp

@@ -34,6 +34,7 @@
 #include "BlockGlass.h"
 #include "BlockGlowstone.h"
 #include "BlockGravel.h"
+#include "BlockMobHead.h"
 #include "BlockHopper.h"
 #include "BlockIce.h"
 #include "BlockLadder.h"
@@ -146,6 +147,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType)
 		case E_BLOCK_GRASS:                 return new cBlockDirtHandler            (a_BlockType);
 		case E_BLOCK_GRAVEL:                return new cBlockGravelHandler          (a_BlockType);
 		case E_BLOCK_HAY_BALE:              return new cBlockSidewaysHandler        (a_BlockType);
+		case E_BLOCK_HEAD:                  return new cBlockMobHeadHandler         (a_BlockType);
 		case E_BLOCK_HOPPER:                return new cBlockHopperHandler          (a_BlockType);
 		case E_BLOCK_ICE:                   return new cBlockIceHandler             (a_BlockType);
 		case E_BLOCK_INACTIVE_COMPARATOR:   return new cBlockComparatorHandler      (a_BlockType);

src/Blocks/BlockMobHead.h

@@ -0,0 +1,69 @@
+
+#pragma once
+
+#include "BlockEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
+
+
+
+
+
+class cBlockMobHeadHandler :
+	public cBlockEntityHandler
+{
+public:
+	cBlockMobHeadHandler(BLOCKTYPE a_BlockType)
+		: cBlockEntityHandler(a_BlockType)
+	{
+	}
+	
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		a_Pickups.push_back(cItem(E_ITEM_HEAD, 1, 0));
+	}
+	
+	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 cMobHeadBlockCallback
+		{
+			cPlayer * m_Player;
+			NIBBLETYPE m_OldBlockMeta;
+			NIBBLETYPE m_NewBlockMeta;
+			
+			virtual bool Item (cMobHeadEntity * a_MobHeadEntity)
+			{
+				int Rotation = 0;
+				if (m_NewBlockMeta == 1)
+				{
+					Rotation = (int) floor(m_Player->GetYaw() * 16.0F / 360.0F + 0.5) & 0xF;
+				}
+				
+				a_MobHeadEntity->SetType(static_cast<eMobHeadType>(m_OldBlockMeta));
+				a_MobHeadEntity->SetRotation(static_cast<eMobHeadRotation>(Rotation));
+				return false;
+			}
+		
+		public:
+			cCallback (cPlayer * a_Player, NIBBLETYPE a_OldBlockMeta, NIBBLETYPE a_NewBlockMeta) :
+				m_Player(a_Player),
+				m_OldBlockMeta(a_OldBlockMeta),
+				m_NewBlockMeta(a_NewBlockMeta)
+			{}
+		};
+		cCallback Callback(a_Player, a_BlockMeta, static_cast<NIBBLETYPE>(a_BlockFace));
+		
+		a_BlockMeta = a_BlockFace;
+		cWorld * World = (cWorld *) &a_WorldInterface;
+		World->DoWithMobHeadBlockAt(a_BlockX, a_BlockY, a_BlockZ, Callback);
+		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta);
+	}
+} ;
+
+
+
+

src/CMakeLists.txt

@@ -39,6 +39,7 @@ if (NOT MSVC)
 		BlockEntities/JukeboxEntity.h
 		BlockEntities/NoteEntity.h
 		BlockEntities/SignEntity.h
+		BlockEntities/MobHeadEntity.h
 		BlockID.h
 		BoundingBox.h
 		ChatColor.h

src/Chunk.cpp

@@ -19,6 +19,7 @@
 #include "BlockEntities/JukeboxEntity.h"
 #include "BlockEntities/NoteEntity.h"
 #include "BlockEntities/SignEntity.h"
+#include "BlockEntities/MobHeadEntity.h"
 #include "Entities/Pickup.h"
 #include "Item.h"
 #include "Noise.h"
@@ -1314,6 +1315,7 @@ void cChunk::CreateBlockEntities(void)
 					case E_BLOCK_HOPPER:
 					case E_BLOCK_SIGN_POST:
 					case E_BLOCK_WALLSIGN:
+					case E_BLOCK_HEAD:
 					case E_BLOCK_NOTE_BLOCK:
 					case E_BLOCK_JUKEBOX:
 					{
@@ -1442,6 +1444,7 @@ void cChunk::SetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType,
 		case E_BLOCK_HOPPER:
 		case E_BLOCK_SIGN_POST:
 		case E_BLOCK_WALLSIGN:
+		case E_BLOCK_HEAD:
 		case E_BLOCK_NOTE_BLOCK:
 		case E_BLOCK_JUKEBOX:
 		{
@@ -2341,6 +2344,38 @@ bool cChunk::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCom
 
 
 
+bool cChunk::DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback)
+{
+	// The blockentity list is locked by the parent chunkmap's CS
+	for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
+	{
+		++itr2;
+		if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ))
+		{
+			continue;
+		}
+		if ((*itr)->GetBlockType() != E_BLOCK_HEAD)
+		{
+			// There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out
+			return false;
+		}
+		
+		// The correct block entity is here, 
+		if (a_Callback.Item((cMobHeadEntity *)*itr))
+		{
+			return false;
+		}
+		return true;
+	}  // for itr - m_BlockEntitites[]
+	
+	// Not found:
+	return false;
+}
+
+
+
+
+
 bool cChunk::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4)
 {
 	// The blockentity list is locked by the parent chunkmap's CS

src/Chunk.h

@@ -31,6 +31,7 @@ class cChestEntity;
 class cDispenserEntity;
 class cFurnaceEntity;
 class cNoteEntity;
+class cMobHeadEntity;
 class cBlockArea;
 class cPawn;
 class cPickup;
@@ -47,6 +48,7 @@ typedef cItemCallback<cDispenserEntity>    cDispenserCallback;
 typedef cItemCallback<cFurnaceEntity>      cFurnaceCallback;
 typedef cItemCallback<cNoteEntity>         cNoteBlockCallback;
 typedef cItemCallback<cCommandBlockEntity> cCommandBlockCallback;
+typedef cItemCallback<cMobHeadEntity>      cMobHeadBlockCallback;
 
 
 
@@ -249,7 +251,10 @@ public:
 	bool DoWithNoteBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cNoteBlockCallback & a_Callback);
 
 	/** Calls the callback for the command block at the specified coords; returns false if there's no command block at those coords or callback returns true, returns true if found */
-	bool DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCommandBlockCallback & a_Callback); 
+	bool DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCommandBlockCallback & a_Callback);
+	
+	/** Calls the callback for the mob head block at the specified coords; returns false if there's no mob header block at those coords or callback returns true, returns true if found */
+	bool DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback);
 
 	/** Retrieves the test on the sign at the specified coords; returns false if there's no sign at those coords, true if found */
 	bool GetSignLines (int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4);  // Lua-accessible

src/ChunkMap.cpp

@@ -2178,6 +2178,24 @@ bool cChunkMap::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, c
 
 
 
+bool cChunkMap::DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback)
+{
+	int ChunkX, ChunkZ;
+	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
+	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
+	cCSLock Lock(m_CSLayers);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	if ((Chunk == NULL) && !Chunk->IsValid())
+	{
+		return false;
+	}
+	return Chunk->DoWithMobHeadBlockAt(a_BlockX, a_BlockY, a_BlockZ, a_Callback);
+}
+
+
+
+
+
 bool cChunkMap::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4)
 {
 	int ChunkX, ChunkZ;

src/ChunkMap.h

@@ -25,6 +25,7 @@ class cDropSpenserEntity;
 class cFurnaceEntity;
 class cNoteEntity;
 class cCommandBlockEntity;
+class cMobHeadEntity;
 class cPawn;
 class cPickup;
 class cChunkDataSerializer;
@@ -43,6 +44,7 @@ typedef cItemCallback<cDropSpenserEntity>  cDropSpenserCallback;
 typedef cItemCallback<cFurnaceEntity>      cFurnaceCallback;
 typedef cItemCallback<cNoteEntity>         cNoteBlockCallback;
 typedef cItemCallback<cCommandBlockEntity> cCommandBlockCallback;
+typedef cItemCallback<cMobHeadEntity>      cMobHeadBlockCallback;
 typedef cItemCallback<cChunk>              cChunkCallback;
 
 
@@ -254,6 +256,9 @@ public:
 	/** Calls the callback for the command block at the specified coords; returns false if there's no command block at those coords or callback returns true, returns true if found */
 	bool DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCommandBlockCallback & a_Callback);  // Lua-accessible
 
+	/** Calls the callback for the mob head block at the specified coords; returns false if there's no mob head block at those coords or callback returns true, returns true if found */
+	bool DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback);  // Lua-accessible
+
 	/** Retrieves the test on the sign at the specified coords; returns false if there's no sign at those coords, true if found */
 	bool GetSignLines (int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4);  // Lua-accessible
 

src/Defines.h

@@ -174,6 +174,43 @@ enum eWeather
 
 
 
+enum eMobHeadType
+{
+	SKULL_TYPE_SKELETON    = 0,
+	SKULL_TYPE_WITHER      = 1,
+	SKULL_TYPE_ZOMBIE      = 2,
+	SKULL_TYPE_PLAYER      = 3,
+	SKULL_TYPE_CREEPER     = 4,
+} ;
+
+
+
+
+
+enum eMobHeadRotation
+{
+	SKULL_ROTATION_NORTH = 0,
+	SKULL_ROTATION_NORTH_NORTH_EAST = 1,
+	SKULL_ROTATION_NORTH_EAST = 2,
+	SKULL_ROTATION_EAST_NORTH_EAST = 3,
+	SKULL_ROTATION_EAST = 4,
+	SKULL_ROTATION_EAST_SOUTH_EAST = 5,
+	SKULL_ROTATION_SOUTH_EAST = 6,
+	SKULL_ROTATION_SOUTH_SOUTH_EAST = 7,
+	SKULL_ROTATION_SOUTH = 8,
+	SKULL_ROTATION_SOUTH_SOUTH_WEST = 9,
+	SKULL_ROTATION_SOUTH_WEST = 10,
+	SKULL_ROTATION_WEST_SOUTH_WEST = 11,
+	SKULL_ROTATION_WEST = 12,
+	SKULL_ROTATION_WEST_NORTH_WEST = 13,
+	SKULL_ROTATION_NORTH_WEST = 14,
+	SKULL_ROTATION_NORTH_NORTH_WEST = 15,
+} ;
+
+
+
+
+
 inline const char * ClickActionToString(eClickAction a_ClickAction)
 {
 	switch (a_ClickAction)

src/Items/ItemHandler.cpp

@@ -37,6 +37,7 @@
 #include "ItemShears.h"
 #include "ItemShovel.h"
 #include "ItemSign.h"
+#include "ItemMobHead.h"
 #include "ItemSpawnEgg.h"
 #include "ItemSugarcane.h"
 #include "ItemSword.h"
@@ -114,6 +115,7 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_ITEM_REDSTONE_REPEATER: return new cItemRedstoneRepeaterHandler(a_ItemType);
 		case E_ITEM_SHEARS:            return new cItemShearsHandler(a_ItemType);
 		case E_ITEM_SIGN:              return new cItemSignHandler(a_ItemType);
+		case E_ITEM_HEAD:              return new cItemMobHeadHandler(a_ItemType);
 		case E_ITEM_SNOWBALL:          return new cItemSnowballHandler();
 		case E_ITEM_SPAWN_EGG:         return new cItemSpawnEggHandler(a_ItemType);
 		case E_ITEM_SUGARCANE:         return new cItemSugarcaneHandler(a_ItemType);

src/Items/ItemMobHead.h

@@ -0,0 +1,42 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "../World.h"
+
+
+
+
+
+class cItemMobHeadHandler :
+	public cItemHandler
+{
+public:
+	cItemMobHeadHandler(int a_ItemType) :
+		cItemHandler(a_ItemType)
+	{
+	}
+
+
+	virtual bool IsPlaceable(void) override
+	{
+		return true;
+	}
+
+	
+	virtual bool GetPlacementBlockTypeMeta(
+		cWorld * a_World, 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_BlockType = E_BLOCK_HEAD;
+		a_BlockMeta = (NIBBLETYPE)(a_Player->GetEquippedItem().m_ItemDamage & 0x0f);
+		return true;
+	}
+} ;
+
+
+
+

src/Protocol/Protocol17x.cpp

@@ -28,6 +28,7 @@ Implements the 1.7.x protocol classes:
 #include "../Mobs/IncludeAllMonsters.h"
 #include "../UI/Window.h"
 #include "../BlockEntities/CommandBlockEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
 #include "../CompositeChat.h"
 
 
@@ -1058,6 +1059,7 @@ void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
 	{
 		case E_BLOCK_MOB_SPAWNER:   Action = 1; break; // Update mob spawner spinny mob thing
 		case E_BLOCK_COMMAND_BLOCK: Action = 2; break; // Update command block text
+		case E_BLOCK_HEAD:          Action = 4; break; // Update Mobhead entity
 		default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break;
 	}
 	Pkt.WriteByte(Action);
@@ -2285,6 +2287,19 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
 			}
 			break;
 		}
+		case E_BLOCK_HEAD:
+		{
+			cMobHeadEntity & MobHeadEntity = (cMobHeadEntity &)a_BlockEntity;
+			
+			Writer.AddInt("x", MobHeadEntity.GetPosX());
+			Writer.AddInt("y", MobHeadEntity.GetPosY());
+			Writer.AddInt("z", MobHeadEntity.GetPosZ());
+			Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF);
+			Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF);
+			Writer.AddString("ExtraType", MobHeadEntity.GetOwner().c_str());
+			Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+			break;
+		}
 		default: break;
 	}
 

src/World.cpp

@@ -1165,6 +1165,15 @@ bool cWorld::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCom
 
 
 
+bool cWorld::DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback)
+{
+	return m_ChunkMap->DoWithMobHeadBlockAt(a_BlockX, a_BlockY, a_BlockZ, a_Callback);
+}
+
+
+
+
+
 bool cWorld::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4)
 {
 	return m_ChunkMap->GetSignLines(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4);

src/World.h

@@ -45,6 +45,7 @@ class cChestEntity;
 class cDispenserEntity;
 class cFurnaceEntity;
 class cNoteEntity;
+class cMobHeadEntity;
 class cMobCensus;
 class cCompositeChat;
 class cCuboid;
@@ -58,6 +59,7 @@ typedef cItemCallback<cDispenserEntity>    cDispenserCallback;
 typedef cItemCallback<cFurnaceEntity>      cFurnaceCallback;
 typedef cItemCallback<cNoteEntity>         cNoteBlockCallback;
 typedef cItemCallback<cCommandBlockEntity> cCommandBlockCallback;
+typedef cItemCallback<cMobHeadEntity>      cMobHeadBlockCallback;
 
 
 
@@ -519,6 +521,9 @@ public:
 	/** Calls the callback for the command block at the specified coords; returns false if there's no command block at those coords or callback returns true, returns true if found */
 	bool DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCommandBlockCallback & a_Callback);  // Exported in ManualBindings.cpp
 	
+	/** Calls the callback for the mob head block at the specified coords; returns false if there's no mob head block at those coords or callback returns true, returns true if found */
+	bool DoWithMobHeadBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadBlockCallback & a_Callback);  // Exported in ManualBindings.cpp
+	
 	/** Retrieves the test on the sign at the specified coords; returns false if there's no sign at those coords, true if found */
 	bool GetSignLines (int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4);  // Exported in ManualBindings.cpp
 	

src/WorldStorage/NBTChunkSerializer.cpp

@@ -19,6 +19,7 @@
 #include "../BlockEntities/JukeboxEntity.h"
 #include "../BlockEntities/NoteEntity.h"
 #include "../BlockEntities/SignEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
 
 #include "../Entities/Entity.h"
 #include "../Entities/FallingBlock.h"
@@ -248,11 +249,25 @@ void cNBTChunkSerializer::AddCommandBlockEntity(cCommandBlockEntity * a_CmdBlock
 void cNBTChunkSerializer::AddSignEntity(cSignEntity * a_Sign)
 {
 	m_Writer.BeginCompound("");
-	AddBasicTileEntity(a_Sign, "Sign");
+		AddBasicTileEntity(a_Sign, "Sign");
-	m_Writer.AddString("Text1",   a_Sign->GetLine(0));
+		m_Writer.AddString("Text1",   a_Sign->GetLine(0));
-	m_Writer.AddString("Text2",   a_Sign->GetLine(1));
+		m_Writer.AddString("Text2",   a_Sign->GetLine(1));
-	m_Writer.AddString("Text3",   a_Sign->GetLine(2));
+		m_Writer.AddString("Text3",   a_Sign->GetLine(2));
-	m_Writer.AddString("Text4",   a_Sign->GetLine(3));
+		m_Writer.AddString("Text4",   a_Sign->GetLine(3));
+	m_Writer.EndCompound();
+}
+
+
+
+
+
+void cNBTChunkSerializer::AddMobHeadEntity(cMobHeadEntity * a_MobHead)
+{
+	m_Writer.BeginCompound("");
+		AddBasicTileEntity(a_MobHead, "Skull");
+		m_Writer.AddByte  ("SkullType", a_MobHead->GetType() & 0xFF);
+		m_Writer.AddByte  ("Rot",       a_MobHead->GetRotation() & 0xFF);
+		m_Writer.AddString("ExtraType", a_MobHead->GetOwner());
 	m_Writer.EndCompound();
 }
 
@@ -668,6 +683,7 @@ void cNBTChunkSerializer::BlockEntity(cBlockEntity * a_Entity)
 		case E_BLOCK_HOPPER:        AddHopperEntity      ((cHopperEntity *)       a_Entity); break;
 		case E_BLOCK_SIGN_POST:
 		case E_BLOCK_WALLSIGN:      AddSignEntity        ((cSignEntity *)         a_Entity); break;
+		case E_BLOCK_HEAD:          AddMobHeadEntity     ((cMobHeadEntity *)      a_Entity); break;
 		case E_BLOCK_NOTE_BLOCK:    AddNoteEntity        ((cNoteEntity *)         a_Entity); break;
 		case E_BLOCK_JUKEBOX:       AddJukeboxEntity     ((cJukeboxEntity *)      a_Entity); break;
 		case E_BLOCK_COMMAND_BLOCK: AddCommandBlockEntity((cCommandBlockEntity *) a_Entity); break;

src/WorldStorage/NBTChunkSerializer.h

@@ -29,6 +29,7 @@ class cHopperEntity;
 class cJukeboxEntity;
 class cNoteEntity;
 class cSignEntity;
+class cMobHeadEntity;
 class cFallingBlock;
 class cMinecart;
 class cMinecartWithChest;
@@ -93,6 +94,7 @@ protected:
 	void AddJukeboxEntity  (cJukeboxEntity *   a_Jukebox);
 	void AddNoteEntity     (cNoteEntity *      a_Note);
 	void AddSignEntity     (cSignEntity *      a_Sign);
+	void AddMobHeadEntity  (cMobHeadEntity *     a_MobHead);
 	void AddCommandBlockEntity(cCommandBlockEntity * a_CmdBlock);
 	
 	// Entities:

src/WorldStorage/WSSAnvil.cpp

@@ -24,6 +24,7 @@
 #include "../BlockEntities/JukeboxEntity.h"
 #include "../BlockEntities/NoteEntity.h"
 #include "../BlockEntities/SignEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
 
 
 #include "../Mobs/Monster.h"
@@ -597,6 +598,10 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con
 		{
 			LoadSignFromNBT(a_BlockEntities, a_NBT, Child);
 		}
+		else if (strncmp(a_NBT.GetData(sID), "Skull", a_NBT.GetDataLength(sID)) == 0)
+		{
+			LoadMobHeadFromNBT(a_BlockEntities, a_NBT, Child);
+		}
 		else if (strncmp(a_NBT.GetData(sID), "Trap", a_NBT.GetDataLength(sID)) == 0)
 		{
 			LoadDispenserFromNBT(a_BlockEntities, a_NBT, Child);
@@ -927,6 +932,41 @@ void cWSSAnvil::LoadSignFromNBT(cBlockEntityList & a_BlockEntities, const cParse
 
 
 
+void cWSSAnvil::LoadMobHeadFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
+{
+	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
+	int x, y, z;
+	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
+	{
+		return;
+	}
+	std::auto_ptr<cMobHeadEntity> MobHead(new cMobHeadEntity(x, y, z, m_World));
+
+	int currentLine = a_NBT.FindChildByName(a_TagIdx, "SkullType");
+	if (currentLine >= 0)
+	{
+		MobHead->SetType(static_cast<eMobHeadType>(a_NBT.GetByte(currentLine)));
+	}
+
+	currentLine = a_NBT.FindChildByName(a_TagIdx, "Rot");
+	if (currentLine >= 0)
+	{
+		MobHead->SetRotation(static_cast<eMobHeadRotation>(a_NBT.GetByte(currentLine)));
+	}
+
+	currentLine = a_NBT.FindChildByName(a_TagIdx, "ExtraType");
+	if (currentLine >= 0)
+	{
+		MobHead->SetOwner(a_NBT.GetString(currentLine));
+	}
+
+	a_BlockEntities.push_back(MobHead.release());
+}
+
+
+
+
+
 void cWSSAnvil::LoadCommandBlockFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
 {
 	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);

src/WorldStorage/WSSAnvil.h

@@ -139,6 +139,7 @@ protected:
 	void LoadJukeboxFromNBT     (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	void LoadNoteFromNBT        (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	void LoadSignFromNBT        (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
+	void LoadMobHeadFromNBT     (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	void LoadCommandBlockFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	
 	void LoadEntityFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_EntityTagIdx, const char * a_IDTag, int a_IDTagLength);