2013-07-29 07:13:03 -04:00
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// Zapper.h
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// Declares the cZapper class representing the processor that actually zaps blocks and entities
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#pragma once
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#include "Regions.h"
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// fwd: ParsedNBT.h
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class cParsedNBT;
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class cFastNBTWriter;
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class cZapper
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{
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public:
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cZapper(const AString & a_MCAFolder);
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/// Zaps all the specified regions
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void ZapRegions(const cRegionVector & a_Regions);
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protected:
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static const int BlocksPerChunkX = 16;
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static const int BlocksPerChunkZ = 16;
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static const int ChunksPerMCAX = 32;
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static const int ChunksPerMCAZ = 32;
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AString m_MCAFolder;
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/// Converts from block coords to MCA coords
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void BlockToMCA(int a_BlockX, int a_BlockZ, int & a_MCAX, int & a_MCAZ);
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/// Converts from block coords to chunk coords
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void BlockToChunk(int a_BlockX, int a_BlockZ, int & a_ChunkX, int & a_ChunkZ);
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/// Zaps the specified region in the MCA file with the specified MCA coords
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void ZapRegionInMCAFile(const cRegion & a_Region, int a_MCAX, int a_MCAZ);
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/** Loads raw compressed chunk data from the specified file
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* chunk is specified by ChunkHeaderValue, which is the int describing the chunk in file header.
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*/
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void LoadChunkData(cFile & a_InFile, int a_ChunkHeaderValue, AString & a_ChunkData, int a_ChunkX, int a_ChunkZ);
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/// Zaps the specified region in the raw (compressed) chunk data.
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void ZapRegionInRawChunkData(const cRegion & a_Region, AString & a_ChunkData, int a_ChunkX, int a_ChunkZ);
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/// Zaps the specified region in the specified NBT structure
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void ZapRegionInNBTChunk(const cRegion & a_Region, cParsedNBT & a_NBT, int a_ChunkX, int a_ChunkZ);
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/// Zaps the blocks in the specified region from the specified NBT
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void ZapRegionBlocksInNBT(const cRegion & a_Region, cParsedNBT & a_NBT, int a_SectionsTag);
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/// Zaps the blocks in the specified bytes (types) from one vertical section (16^3 blocks) of a chunk.
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void ZapRegionInNBTSectionBytes(const cRegion & a_Region, int a_SectionY, unsigned char * a_BlockBytes);
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/// Zaps the blocks in the specified nibbles (meta, add) from one vertical section (16^3 blocks) of a chunk.
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void ZapRegionInNBTSectionNibbles(const cRegion & a_Region, int a_SectionY, unsigned char * a_BlockNibbles);
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/// Zaps entities in the specified region from the specified NBT
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void ZapRegionEntitiesInNBT(const cRegion & a_Region, cParsedNBT & a_NBT, int a_EntitiesTag);
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/// Serializes the NBT subtree into a writer
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void SerializeNBTTag(const cParsedNBT & a_NBT, int a_Tag, cFastNBTWriter & a_Writer);
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} ;
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