1 files changed, 80 insertions, 0 deletions
diff --git a/Tools/BlockZapper/Zapper.h b/Tools/BlockZapper/Zapper.h
new file mode 100644
index 000000000..585c3a5ca
--- /dev/null
+++ b/Tools/BlockZapper/Zapper.h
@@ -0,0 +1,80 @@
+
+// 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);
+} ;
+
+
+
+