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DistortedHeightmap: Optimized by linear interpolation

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1451 0a769ca7-a7f5-676a-18bf-c427514a06d6
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madmaxoft@gmail.com
2013-05-06 16:46:48 +00:00
parent 1e71a8a6bf
commit 205ee49c79
2 changed files with 88 additions and 54 deletions
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13
source/Generating/DistortedHeightmap.h
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@@ -48,11 +48,9 @@ protected:
int m_CurChunkX;
int m_CurChunkZ;
NOISE_DATATYPE m_NoiseArray[17 * 17 * NOISE_SIZE_Y];
NOISE_DATATYPE * m_NoiseArrayX;
NOISE_DATATYPE * m_NoiseArrayZ;
NOISE_DATATYPE m_DistortedHeightmap[17 * 17 * 257];
cBiomeGen & m_BiomeGen;
cBiomeGen & m_BiomeGen;
cHeiGenBiomal m_UnderlyingHeiGen; // This generator provides us with base heightmap (before distortion)
cHeiGenCache m_HeightGen; // Cache above m_UnderlyingHeiGen
@@ -74,15 +72,12 @@ protected:
/// Unless the LastChunk coords are equal to coords given, prepares the internal state (noise arrays, heightmap)
void PrepareState(int a_ChunkX, int a_ChunkZ);
/// Generates the 3D noise array using the specified noise objects
void GenerateNoiseArray(NOISE_DATATYPE * a_NoiseArray, cNoise & a_Noise1, cNoise & a_Noise2, cNoise & a_Noise3);
/// Generates the m_DistortedHeightmap array for the current chunk
void GenerateHeightArray(void);
/// Calculates the heightmap value (before distortion) at the specified (floating-point) coords
int GetHeightmapAt(NOISE_DATATYPE a_X, NOISE_DATATYPE a_Z);
/// Calculates the height (after distortion)
int GetValue(int a_NoiseArrayIdx, int a_RelX, int a_RelZ);
/// Updates m_DistortAmpX/Z[] based on m_CurChunkX and m_CurChunkZ
void UpdateDistortAmps(void);