1 files changed, 81 insertions, 0 deletions
diff --git a/AnvilStats/HeightMap.h b/AnvilStats/HeightMap.h
new file mode 100644
index 000000000..3263329a9
--- /dev/null
+++ b/AnvilStats/HeightMap.h
@@ -0,0 +1,81 @@
+
+// HeightMap.h
+
+// Declares the cHeightMap class representing a cCallback descendant that draws a B&W map of heights for the world
+
+
+
+
+
+#pragma once
+
+#include "Callback.h"
+
+
+
+
+
+class cHeightMap :
+	public cCallback
+{
+public:
+	cHeightMap(void);
+	
+	void Finish(void);
+	
+protected:
+	int m_CurrentChunkX;  // Absolute chunk coords
+	int m_CurrentChunkZ;
+	int m_CurrentChunkOffX;  // Chunk offset from the start of the region
+	int m_CurrentChunkOffZ;
+	int m_CurrentRegionX;
+	int m_CurrentRegionZ;
+	bool m_IsCurrentRegionValid;
+	int  m_Height[16 * 32 * 16 * 32];  ///< Height-map of the entire current region [x + 16 * 32 * z]
+	BLOCKTYPE m_BlockTypes[16 * 16 * 256];  ///< Block data of the currently processed chunk (between OnSection() and OnSectionsFinished() )
+	
+	// cCallback overrides:
+	virtual bool OnNewChunk(int a_ChunkX, int a_ChunkZ) override;
+	virtual bool OnHeader(int a_FileOffset, unsigned char a_NumSectors, int a_Timestamp) override { return false; }
+	virtual bool OnCompressedDataSizePos(int a_CompressedDataSize, int a_DataOffset, char a_CompressionMethod) override { return false; }
+	virtual bool OnDecompressedData(const char * a_DecompressedNBT, int a_DataSize) override { return false; }
+	virtual bool OnRealCoords(int a_ChunkX, int a_ChunkZ) override { return false; }
+	virtual bool OnLastUpdate(Int64 a_LastUpdate) override { return false; }
+	virtual bool OnTerrainPopulated(bool a_Populated) override { return !a_Populated; }  // If not populated, we don't want it!
+	virtual bool OnBiomes(const unsigned char * a_BiomeData) { return false; }
+	virtual bool OnHeightMap(const int * a_HeightMapBE) override;
+	virtual bool OnSection(
+		unsigned char a_Y,
+		const BLOCKTYPE * a_BlockTypes,
+		const NIBBLETYPE * a_BlockAdditional,
+		const NIBBLETYPE * a_BlockMeta,
+		const NIBBLETYPE * a_BlockLight,
+		const NIBBLETYPE * a_BlockSkyLight
+	) override;
+	virtual bool OnSectionsFinished(void) override;
+
+	void StartNewRegion(int a_RegionX, int a_RegionZ);
+	
+	static bool IsGround(BLOCKTYPE a_BlockType);
+} ;
+
+
+
+
+
+class cHeightMapFactory :
+	public cCallbackFactory
+{
+public:
+	virtual ~cHeightMapFactory();
+	
+	virtual cCallback * CreateNewCallback(void)
+	{
+		return new cHeightMap;
+	}
+
+} ;
+
+
+
+