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