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// 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);
static bool IsGround(BLOCKTYPE a_BlockType);
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;
/** Height-map of the entire current region [x + 16 * 32 * z] */
int m_Height[16 * 32 * 16 * 32];
/** Block data of the currently processed chunk (between OnSection() and OnSectionsFinished()) */
BLOCKTYPE m_BlockTypes[16 * 16 * 256];
// 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);
};
class cHeightMapFactory : public cCallbackFactory
{
public:
virtual ~cHeightMapFactory();
virtual cCallback * CreateNewCallback(void) override { return new cHeightMap; }
};
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