// ChunkDesc.h
// Declares the cChunkDesc class representing the chunk description used while generating a chunk. This class is also exported to Lua for HOOK_CHUNK_GENERATING.
#pragma once
#include "../ChunkDef.h"
#include "../BlockArea.h"
// fwd: ../BlockArea.h
class cBlockArea;
// fwd: ../Cuboid.h
class cCuboid;
// tolua_begin
class cChunkDesc
{
public:
// tolua_end
cChunkDesc(int a_ChunkX, int a_ChunkZ);
~cChunkDesc();
// tolua_begin
int GetChunkX(void) const { return m_ChunkX; }
int GetChunkZ(void) const { return m_ChunkZ; }
void SetChunkCoords(int a_ChunkX, int a_ChunkZ);
void FillBlocks(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
void SetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
void GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta);
void SetBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType);
BLOCKTYPE GetBlockType(int a_RelX, int a_RelY, int a_RelZ);
void SetBlockMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockMeta);
NIBBLETYPE GetBlockMeta(int a_RelX, int a_RelY, int a_RelZ);
void SetBiome(int a_RelX, int a_RelZ, int a_BiomeID);
EMCSBiome GetBiome(int a_RelX, int a_RelZ);
void SetHeight(int a_RelX, int a_RelZ, int a_Height);
int GetHeight(int a_RelX, int a_RelZ);
// Default generation:
void SetUseDefaultBiomes(bool a_bUseDefaultBiomes);
bool IsUsingDefaultBiomes(void) const;
void SetUseDefaultHeight(bool a_bUseDefaultHeight);
bool IsUsingDefaultHeight(void) const;
void SetUseDefaultComposition(bool a_bUseDefaultComposition);
bool IsUsingDefaultComposition(void) const;
void SetUseDefaultStructures(bool a_bUseDefaultStructures);
bool IsUsingDefaultStructures(void) const;
void SetUseDefaultFinish(bool a_bUseDefaultFinish);
bool IsUsingDefaultFinish(void) const;
/// Writes the block area into the chunk, with its origin set at the specified relative coords. Area's data overwrite everything in the chunk.
void WriteBlockArea(const cBlockArea & a_BlockArea, int a_RelX, int a_RelY, int a_RelZ, cBlockArea::eMergeStrategy a_MergeStrategy = cBlockArea::msOverwrite);
/// Reads an area from the chunk into a cBlockArea
void ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ);
/// Returns the maximum height value in the heightmap
HEIGHTTYPE GetMaxHeight(void) const;
/// Fills the relative cuboid with specified block; allows cuboid out of range of this chunk
void FillRelCuboid(const cCuboid & a_RelCuboid, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
/// Replaces the specified src blocks in the cuboid by the dst blocks; allows cuboid out of range of this chunk
void ReplaceRelCuboid(const cCuboid & a_RelCuboid, BLOCKTYPE a_SrcType, NIBBLETYPE a_SrcMeta, BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta);
// tolua_end
// Accessors used by cChunkGenerator::Generator descendants:
inline cChunkDef::BiomeMap & GetBiomeMap (void) { return m_BiomeMap; }
inline cChunkDef::BlockTypes & GetBlockTypes (void) { return *((cChunkDef::BlockTypes *)m_BlockArea.GetBlockTypes()); }
// CANNOT, different compression!
// inline cChunkDef::BlockNibbles & GetBlockMetas (void) { return *((cChunkDef::BlockNibbles *)m_BlockArea.GetBlockMetas()); }
inline cChunkDef::HeightMap & GetHeightMap (void) { return m_HeightMap; }
inline cEntityList & GetEntities (void) { return m_Entities; }
inline cBlockEntityList & GetBlockEntities(void) { return m_BlockEntities; }
/// Compresses the metas from the BlockArea format (1 meta per byte) into regular format (2 metas per byte)
void CompressBlockMetas(cChunkDef::BlockNibbles & a_DestMetas);
private:
int m_ChunkX;
int m_ChunkZ;
cChunkDef::BiomeMap m_BiomeMap;
cBlockArea m_BlockArea;
cChunkDef::HeightMap m_HeightMap;
cEntityList m_Entities; // Individual entities are NOT owned by this object!
cBlockEntityList m_BlockEntities; // Individual block entities are NOT owned by this object!
bool m_bUseDefaultBiomes;
bool m_bUseDefaultHeight;
bool m_bUseDefaultComposition;
bool m_bUseDefaultStructures;
bool m_bUseDefaultFinish;
} ; // tolua_export
