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#pragma once

#include "cClientHandle.h"
#include "cWorld.h"





#ifndef _WIN32
#include "BlockID.h"
#else
enum ENUM_BLOCK_ID;
#endif





namespace Json
{
	class Value;
};

class cPlayer;
class cWorld;
class cPacket;





class cBlockEntity
{
protected:
	cBlockEntity(ENUM_BLOCK_ID a_BlockType, int a_X, int a_Y, int a_Z, cWorld * a_World) 
		: m_PosX( a_X )
		, m_PosY( a_Y )
		, m_PosZ( a_Z )
		, m_BlockType( a_BlockType ) 
		, m_World( a_World )
	{}
public:
	virtual ~cBlockEntity() {};
	virtual void Destroy() {};
	
	int GetPosX() { return m_PosX; }
	int GetPosY() { return m_PosY; }
	int GetPosZ() { return m_PosZ; }

	ENUM_BLOCK_ID GetBlockType() { return m_BlockType; }
	
	cWorld * GetWorld(void) const {return m_World; }

	virtual void SaveToJson  (Json::Value & a_Value ) = 0;
	
	virtual void UsedBy( cPlayer * a_Player ) = 0;
	
	void SendTo( cClientHandle* a_Client )
	{
		std::auto_ptr<cPacket> Packet(GetPacket());
		if (Packet.get() == NULL)
		{
			return;
		}
		if ( a_Client != NULL )
		{
			a_Client->Send(*(Packet.get()));
		}
		else // broadcast to all chunk clients
		{
			m_World->BroadcastToChunkOfBlock(m_PosX, m_PosY, m_PosZ, Packet.get());
		}
	}
	
	/// Returns the packet to send to clients to represent this entity; NULL if no packet needed; caller is supposed to delete the packet
	virtual cPacket * GetPacket(void) {return NULL; }

protected:
	int m_PosX; // Position in block coordinates
	int m_PosY;
	int m_PosZ;

	ENUM_BLOCK_ID m_BlockType;
	
	cWorld * m_World;
};