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Noise3D generator is now using linear upscaling

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Measured 30% performance increase.

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1482 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
2013-05-14 21:11:40 +00:00
parent 07cfe8ee35
commit 464dcc3764
8 changed files with 241 additions and 56 deletions
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12
source/Generating/BioGen.cpp
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@@ -340,8 +340,8 @@ void cBioGenDistortedVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::B
Distort(BaseX + x * 4, BaseZ + z * 4, DistortX[4 * x][4 * z], DistortZ[4 * x][4 * z]);
}
ArrayLinearUpscale2DInPlace(&DistortX[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
ArrayLinearUpscale2DInPlace(&DistortZ[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
LinearUpscale2DArrayInPlace(&DistortX[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
LinearUpscale2DArrayInPlace(&DistortZ[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
for (int z = 0; z < cChunkDef::Width; z++)
{
@@ -447,8 +447,8 @@ void cBioGenMultiStepMap::DecideOceanLandMushroom(int a_ChunkX, int a_ChunkZ, cC
{
Distort(BaseX + x * 4, BaseZ + z * 4, DistortX[4 * x][4 * z], DistortZ[4 * x][4 * z], DistortSize);
}
ArrayLinearUpscale2DInPlace(&DistortX[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
ArrayLinearUpscale2DInPlace(&DistortZ[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
LinearUpscale2DArrayInPlace(&DistortX[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
LinearUpscale2DArrayInPlace(&DistortZ[0][0], cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4);
// Prepare a 9x9 area of neighboring cell seeds
// (assuming that 7x7 cell area is larger than a chunk being generated)
@@ -621,8 +621,8 @@ void cBioGenMultiStepMap::BuildTemperatureHumidityMaps(int a_ChunkX, int a_Chunk
HumidityMap[x + 17 * z] = NoiseH;
} // for x
} // for z
ArrayLinearUpscale2DInPlace(TemperatureMap, 17, 17, 8, 8);
ArrayLinearUpscale2DInPlace(HumidityMap, 17, 17, 8, 8);
LinearUpscale2DArrayInPlace(TemperatureMap, 17, 17, 8, 8);
LinearUpscale2DArrayInPlace(HumidityMap, 17, 17, 8, 8);
// Re-map into integral values in [0 .. 255] range:
for (int idx = 0; idx < ARRAYCOUNT(a_TemperatureMap); idx++)