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#pragma once
#include <cstring>
#include "ChunkDef.h"
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
#else
// unique_ptr style interface for memory management
#endif
class cChunkData
{
public:
cChunkData();
~cChunkData();
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
cChunkData(const cChunkData& other);
cChunkData& operator=(const cChunkData& other);
#else
// unique_ptr style interface for memory management
cChunkData(cChunkData&& other);
cChunkData& operator=(cChunkData&& other);
#endif
BLOCKTYPE GetBlock(int a_X, int a_Y, int a_Z) const;
void SetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Block);
NIBBLETYPE GetMeta(int a_RelX, int a_RelY, int a_RelZ) const;
bool SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Nibble);
NIBBLETYPE GetBlockLight(int a_RelX, int a_RelY, int a_RelZ) const;
NIBBLETYPE GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) const;
cChunkData Copy() const;
void CopyBlocks (BLOCKTYPE * a_dest, size_t a_Idx = 0, size_t length = cChunkDef::NumBlocks) const;
void CopyMeta (NIBBLETYPE * a_dest) const;
void CopyBlockLight (NIBBLETYPE * a_dest) const;
void CopySkyLight (NIBBLETYPE * a_dest) const;
void SetBlocks (const BLOCKTYPE * a_src);
void SetMeta (const NIBBLETYPE * a_src);
void SetBlockLight (const NIBBLETYPE * a_src);
void SetSkyLight (const NIBBLETYPE * a_src);
private:
static const size_t CHUNK_SECTION_HEIGHT = 16;
static const size_t CHUNK_SECTION_COUNT = (256 / CHUNK_SECTION_HEIGHT);
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
mutable bool IsOwner;
#endif
struct sChunkSection {
BLOCKTYPE m_BlockTypes [CHUNK_SECTION_HEIGHT * 16 * 16] ;
NIBBLETYPE m_BlockMeta [CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
NIBBLETYPE m_BlockLight [CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
NIBBLETYPE m_BlockSkyLight[CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
};
sChunkSection *m_Sections[CHUNK_SECTION_COUNT];
sChunkSection * Allocate() const;
void Free(sChunkSection * ptr) const;
void ZeroSection(sChunkSection * ptr) const;
};
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