165 lines
6.2 KiB
C++
165 lines
6.2 KiB
C++
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// BlockArea.h
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// Interfaces to the cBlockArea object representing an area of block data that can be queried from cWorld and then accessed again without further queries
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// The object also supports writing the blockdata back into cWorld, even into other coords
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// NOTE: All Nibble values (meta, blocklight, skylight) are stored one-nibble-per-byte for faster access / editting!
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#pragma once
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// fwd: "cWorld.h"
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class cWorld;
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// tolua_begin
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class cBlockArea
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{
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// tolua_end
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DISALLOW_COPY_AND_ASSIGN(cBlockArea);
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// tolua_begin
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public:
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/// What data is to be queried (bit-mask)
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enum
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{
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baTypes = 1,
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baMetas = 2,
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baLight = 4,
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baSkyLight = 8,
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} ;
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cBlockArea(void);
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~cBlockArea();
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/// Clears the data stored to reclaim memory
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void Clear(void);
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/// Reads an area of blocks specified. Returns true if successful. All coords are inclusive.
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bool Read(cWorld * a_World, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes = baTypes | baMetas);
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/// Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all
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bool Write(cWorld * a_World, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes = baTypes | baMetas);
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/// For testing purposes only, dumps the area into a file.
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void DumpToRawFile(const AString & a_FileName);
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// TODO: Write() is not too good an interface: if it fails, there's no way to repeat only for the parts that didn't write
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// A better way may be to return a list of cBlockAreas for each part that didn't succeed writing, so that the caller may try again
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// Setters:
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void SetRelBlockType (int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType);
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void SetBlockType (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType);
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void SetRelBlockMeta (int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockMeta);
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void SetBlockMeta (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockMeta);
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void SetRelBlockLight (int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockLight);
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void SetBlockLight (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockLight);
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void SetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockSkyLight);
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void SetBlockSkyLight (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockSkyLight);
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// Getters:
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BLOCKTYPE GetRelBlockType (int a_RelX, int a_RelY, int a_RelZ) const;
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BLOCKTYPE GetBlockType (int a_BlockX, int a_BlockY, int a_BlockZ) const;
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NIBBLETYPE GetRelBlockMeta (int a_RelX, int a_RelY, int a_RelZ) const;
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NIBBLETYPE GetBlockMeta (int a_BlockX, int a_BlockY, int a_BlockZ) const;
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NIBBLETYPE GetRelBlockLight (int a_RelX, int a_RelY, int a_RelZ) const;
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NIBBLETYPE GetBlockLight (int a_BlockX, int a_BlockY, int a_BlockZ) const;
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NIBBLETYPE GetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ) const;
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NIBBLETYPE GetBlockSkyLight (int a_BlockX, int a_BlockY, int a_BlockZ) const;
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int GetSizeX(void) const { return m_SizeX; }
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int GetSizeY(void) const { return m_SizeY; }
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int GetSizeZ(void) const { return m_SizeZ; }
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int GetOriginX(void) const { return m_OriginX; }
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int GetOriginY(void) const { return m_OriginY; }
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int GetOriginZ(void) const { return m_OriginZ; }
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/// Returns the datatypes that are stored in the object (bitmask of baXXX values)
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int GetDataTypes(void) const;
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bool HasBlockTypes (void) const { return (m_BlockTypes != NULL); }
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bool HasBlockMetas (void) const { return (m_BlockMetas != NULL); }
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bool HasBlockLights (void) const { return (m_BlockLight != NULL); }
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bool HasBlockSkyLights(void) const { return (m_BlockSkyLight != NULL); }
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// tolua_end
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// Clients can use these for faster access to all blocktypes. Be careful though!
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/// Returns the internal pointer to the block types
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BLOCKTYPE * GetBlockTypes (void) { return m_BlockTypes; }
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NIBBLETYPE * GetBlockMetas (void) { return m_BlockMetas; } // NOTE: one byte per block!
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NIBBLETYPE * GetBlockLight (void) { return m_BlockLight; } // NOTE: one byte per block!
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NIBBLETYPE * GetBlockSkyLight(void) { return m_BlockSkyLight; } // NOTE: one byte per block!
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int GetBlockCount(void) const { return m_SizeX * m_SizeY * m_SizeZ; }
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int MakeIndex(int a_RelX, int a_RelY, int a_RelZ) const;
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protected:
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class cChunkReader :
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public cChunkDataCallback
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{
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public:
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cChunkReader(cBlockArea & a_Area);
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protected:
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cBlockArea & m_Area;
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int m_OriginX;
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int m_OriginY;
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int m_OriginZ;
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int m_CurrentChunkX;
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int m_CurrentChunkZ;
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void CopyNibbles(NIBBLETYPE * a_AreaDst, const NIBBLETYPE * a_ChunkSrc);
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// cChunkDataCallback overrides:
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virtual bool Coords (int a_ChunkX, int a_ChunkZ) override;
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virtual void BlockTypes (const BLOCKTYPE * a_BlockTypes) override;
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virtual void BlockMeta (const NIBBLETYPE * a_BlockMetas) override;
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virtual void BlockLight (const NIBBLETYPE * a_BlockLight) override;
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virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override;
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} ;
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int m_OriginX;
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int m_OriginY;
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int m_OriginZ;
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int m_SizeX;
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int m_SizeY;
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int m_SizeZ;
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BLOCKTYPE * m_BlockTypes;
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NIBBLETYPE * m_BlockMetas; // Each meta is stored as a separate byte for faster access
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NIBBLETYPE * m_BlockLight; // Each light value is stored as a separate byte for faster access
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NIBBLETYPE * m_BlockSkyLight; // Each light value is stored as a separate byte for faster access
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bool SetSize(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes);
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// Basic Setters:
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void SetRelNibble(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Value, NIBBLETYPE * a_Array);
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void SetNibble (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Value, NIBBLETYPE * a_Array);
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// Basic Getters:
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NIBBLETYPE GetRelNibble(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE * a_Array) const;
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NIBBLETYPE GetNibble (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE * a_Array) const;
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// tolua_begin
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} ;
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// tolua_end
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