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#pragma once
#include <list>
namespace Json
{
class Value;
};
class cFurnaceEntity;
class cPacket;
class cBlockEntity;
class cEntity;
class cClientHandle;
class cServer;
class cChunk
{
public:
cChunk(int a_X, int a_Y, int a_Z);
~cChunk();
void Initialize();
void Tick(float a_Dt);
inline int GetPosX() { return m_PosX; }
inline int GetPosY() { return m_PosY; }
inline int GetPosZ() { return m_PosZ; }
void Send( cClientHandle* a_Client );
void AsyncUnload( cClientHandle* a_Client );
void SetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta );
void FastSetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta );
char GetBlock( int a_X, int a_Y, int a_Z );
char GetBlock( int a_BlockIdx );
cBlockEntity* GetBlockEntity( int a_X, int a_Y, int a_Z );
void RemoveBlockEntity( cBlockEntity* a_BlockEntity );
void AddBlockEntity( cBlockEntity* a_BlockEntity );
char GetHeight( int a_X, int a_Z );
void SendBlockTo( int a_X, int a_Y, int a_Z, cClientHandle* a_Client );
void AddClient( cClientHandle* a_Client );
void RemoveClient( cClientHandle* a_Client );
std::list< cEntity* > & GetEntities();// { return m_Entities; }
void AddEntity( cEntity & a_Entity );
bool RemoveEntity( cEntity & a_Entity, cChunk* a_CalledFrom = 0 );
void LockEntities();
void UnlockEntities();
const std::list< cClientHandle* > & GetClients();// { return m_LoadedByClient; }
inline void RecalculateLighting() { m_bCalculateLighting = true; } // Recalculate lighting next tick
inline void RecalculateHeightmap() { m_bCalculateHeightmap = true; } // Recalculate heightmap next tick
void SpreadLight(char* a_LightBuffer);
bool SaveToDisk();
bool LoadFromDisk();
// Broadcasts to all clients that have loaded this chunk
void Broadcast( const cPacket & a_Packet, cClientHandle* a_Exclude = 0 ) const;
char* pGetBlockData() { return m_BlockData; }
char* pGetType() { return m_BlockType; }
char* pGetMeta() { return m_BlockMeta; }
char* pGetLight() { return m_BlockLight; }
char* pGetSkyLight() { return m_BlockSkyLight; }
char GetLight(char* a_Buffer, int a_BlockIdx);
char GetLight(char* a_Buffer, int x, int y, int z);
void SetLight(char* a_Buffer, int a_BlockIdx, char a_Light);
void SetLight(char* a_Buffer, int x, int y, int z, char light);
void AddTickBlockEntity( cFurnaceEntity* a_Entity );
//{
// m_TickBlockEntities.remove( a_Entity );
// m_TickBlockEntities.push_back( a_Entity );
//}
void RemoveTickBlockEntity( cFurnaceEntity* a_Entity );
//{
// m_TickBlockEntities.remove( a_Entity );
//}
static const int c_NumBlocks = 16*128*16;
static const int c_BlockDataSize = c_NumBlocks * 2 + (c_NumBlocks/2); // 2.5 * numblocks
private:
struct sChunkState;
sChunkState* m_pState;
friend class cChunkMap; // So it has access to buffers and shit
void LoadFromJson( const Json::Value & a_Value );
void SaveToJson( Json::Value & a_Value );
void GenerateTerrain();
void CalculateLighting(); // Recalculate right now
void CalculateHeightmap();
void SpreadLightOfBlock(char* a_LightBuffer, int a_X, int a_Y, int a_Z, char a_Falloff);
void SpreadLightOfBlockX(char* a_LightBuffer, int a_X, int a_Y, int a_Z);
void SpreadLightOfBlockY(char* a_LightBuffer, int a_X, int a_Y, int a_Z);
void SpreadLightOfBlockZ(char* a_LightBuffer, int a_X, int a_Y, int a_Z);
void CreateBlockEntities();
unsigned int MakeIndex(int x, int y, int z );
bool m_bCalculateLighting;
bool m_bCalculateHeightmap;
int m_PosX, m_PosY, m_PosZ;
char m_BlockData[c_BlockDataSize]; // Chunk data ready to be compressed and sent
char *m_BlockType; // Pointers to an element in m_BlockData
char *m_BlockMeta; // += NumBlocks
char *m_BlockLight; // += NumBlocks/2
char *m_BlockSkyLight; // += NumBlocks/2
unsigned char m_HeightMap[16*16];
unsigned int m_BlockTickNum;
unsigned int m_BlockTickX, m_BlockTickY, m_BlockTickZ;
void* m_EntitiesCriticalSection;
};
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