1 files changed, 101 insertions, 0 deletions

diff --git a/src/BlockEntities/BlockEntity.h b/src/BlockEntities/BlockEntity.h
new file mode 100644
index 000000000..a2de3160a
--- /dev/null
+++ b/src/BlockEntities/BlockEntity.h
@@ -0,0 +1,101 @@
+
+#pragma once
+
+#include "../ClientHandle.h"
+#include "../World.h"
+
+
+
+
+
+namespace Json
+{
+	class Value;
+};
+
+class cPlayer;
+class cPacket;
+
+
+
+
+
+// tolua_begin
+class cBlockEntity
+{
+protected:
+	cBlockEntity(BLOCKTYPE a_BlockType, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
+		m_PosX(a_BlockX),
+		m_PosY(a_BlockY),
+		m_PosZ(a_BlockZ),
+		m_RelX(a_BlockX - cChunkDef::Width * FAST_FLOOR_DIV(a_BlockX, cChunkDef::Width)),
+		m_RelZ(a_BlockZ - cChunkDef::Width * FAST_FLOOR_DIV(a_BlockZ, cChunkDef::Width)),
+		m_BlockType(a_BlockType),
+		m_World(a_World)
+	{
+	}
+
+public:
+	// tolua_end
+	
+	virtual ~cBlockEntity() {};  // force a virtual destructor in all descendants
+	
+	virtual void Destroy(void) {};
+	
+	void SetWorld(cWorld * a_World)
+	{
+		m_World = a_World;
+	}
+	
+	/// Creates a new block entity for the specified block type
+	/// If a_World is valid, then the entity is created bound to that world
+	/// Returns NULL for unknown block types
+	static cBlockEntity * CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World = NULL);
+	
+	// tolua_begin
+	
+	// Position, in absolute block coordinates:
+	int GetPosX(void) const { return m_PosX; }
+	int GetPosY(void) const { return m_PosY; }
+	int GetPosZ(void) const { return m_PosZ; }
+
+	BLOCKTYPE GetBlockType(void) const { return m_BlockType; }
+	
+	cWorld * GetWorld(void) const {return m_World; }
+	
+	int GetChunkX(void) const { return FAST_FLOOR_DIV(m_PosX, cChunkDef::Width); }
+	int GetChunkZ(void) const { return FAST_FLOOR_DIV(m_PosZ, cChunkDef::Width); }
+	
+	int GetRelX(void) const { return m_RelX; }
+	int GetRelZ(void) const { return m_RelZ; }
+	
+	// tolua_end
+
+	virtual void SaveToJson  (Json::Value & a_Value) = 0;
+	
+	/// Called when a player uses this entity; should open the UI window
+	virtual void UsedBy( cPlayer * a_Player ) = 0;
+	
+	/** Sends the packet defining the block entity to the client specified.
+	To send to all eligible clients, use cWorld::BroadcastBlockEntity()
+	*/
+	virtual void SendTo(cClientHandle & a_Client) = 0;
+	
+	/// Ticks the entity; returns true if the chunk should be marked as dirty as a result of this ticking. By default does nothing.
+	virtual bool Tick(float a_Dt, cChunk & a_Chunk) { return false; }
+
+protected:
+	/// Position in absolute block coordinates
+	int m_PosX, m_PosY, m_PosZ;
+	
+	/// Position relative to the chunk, used to speed up ticking
+	int m_RelX, m_RelZ;
+
+	BLOCKTYPE m_BlockType;
+	
+	cWorld * m_World;
+} ;  // tolua_export
+
+
+
+