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authormadmaxoft <github@xoft.cz>2014-09-27 22:01:47 +0200
committermadmaxoft <github@xoft.cz>2014-09-27 22:01:47 +0200
commit113b54aefda025f3cb47d5285e12104e8681506e (patch)
treecaa1e25f3bbffb352aea00c2518fdf064d8eabda /src/Generating
parentFixed minor style issues. (diff)
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Diffstat (limited to 'src/Generating')
-rw-r--r--src/Generating/BioGen.cpp60
-rw-r--r--src/Generating/BioGen.h15
2 files changed, 31 insertions, 44 deletions
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 3ee0bd4c5..8924a7999 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -737,8 +737,6 @@ void cBioGenMultiStepMap::FreezeWaterBiomes(cChunkDef::BiomeMap & a_BiomeMap, co
cBioGenTwoLevel::cBioGenTwoLevel(int a_Seed) :
m_VoronoiLarge(a_Seed + 1000),
m_VoronoiSmall(a_Seed + 2000),
- m_DistortX(a_Seed + 3000),
- m_DistortZ(a_Seed + 4000),
m_Noise1(a_Seed + 5001),
m_Noise2(a_Seed + 5002),
m_Noise3(a_Seed + 5003),
@@ -762,19 +760,17 @@ void cBioGenTwoLevel::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap
int DistortZ[cChunkDef::Width + 1][cChunkDef::Width + 1];
for (int x = 0; x <= 4; x++) for (int z = 0; z <= 4; z++)
{
- int BlockX = BaseX + x * 4;
- int BlockZ = BaseZ + z * 4;
- float BlockXF = (float)(16 * BlockX) / 128;
- float BlockZF = (float)(16 * BlockZ) / 128;
- double NoiseX = m_Noise1.CubicNoise2D(BlockXF / 16, BlockZF / 16);
- NoiseX += 0.5 * m_Noise2.CubicNoise2D(BlockXF / 8, BlockZF / 8);
- NoiseX += 0.08 * m_Noise3.CubicNoise2D(BlockXF, BlockZF);
- double NoiseZ = m_Noise4.CubicNoise2D(BlockXF / 16, BlockZF / 16);
- NoiseZ += 0.5 * m_Noise5.CubicNoise2D(BlockXF / 8, BlockZF / 8);
- NoiseZ += 0.08 * m_Noise6.CubicNoise2D(BlockXF, BlockZF);
+ float BlockX = BaseX + x * 4;
+ float BlockZ = BaseZ + z * 4;
+ double NoiseX = m_AmpX1 * m_Noise1.CubicNoise2D(BlockX * m_FreqX1, BlockZ * m_FreqX1);
+ NoiseX += m_AmpX2 * m_Noise2.CubicNoise2D(BlockX * m_FreqX2, BlockZ * m_FreqX2);
+ NoiseX += m_AmpX3 * m_Noise3.CubicNoise2D(BlockX * m_FreqX3, BlockZ * m_FreqX3);
+ double NoiseZ = m_AmpZ1 * m_Noise4.CubicNoise2D(BlockX * m_FreqZ1, BlockZ * m_FreqZ1);
+ NoiseZ += m_AmpZ2 * m_Noise5.CubicNoise2D(BlockX * m_FreqZ2, BlockZ * m_FreqZ2);
+ NoiseZ += m_AmpZ3 * m_Noise6.CubicNoise2D(BlockX * m_FreqZ3, BlockZ * m_FreqZ3);
- DistortX[4 * x][4 * z] = BlockX + (int)(64 * NoiseX);
- DistortZ[4 * x][4 * z] = BlockZ + (int)(64 * NoiseZ);
+ DistortX[4 * x][4 * z] = (int)(BlockX + NoiseX);
+ DistortZ[4 * x][4 * z] = (int)(BlockZ + NoiseZ);
}
LinearUpscale2DArrayInPlace<cChunkDef::Width + 1, cChunkDef::Width + 1, 4, 4>(&DistortX[0][0]);
@@ -915,30 +911,18 @@ void cBioGenTwoLevel::InitializeBiomeGen(cIniFile & a_IniFile)
{
m_VoronoiLarge.SetCellSize(a_IniFile.GetValueSetI("Generator", "TwoLevelLargeCellSize", 1024));
m_VoronoiSmall.SetCellSize(a_IniFile.GetValueSetI("Generator", "TwoLevelSmallCellSize", 128));
- m_DistortX.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave1Freq", 0.01),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave1Amp", 16)
- );
- m_DistortX.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave2Freq", 0.005),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave2Amp", 8)
- );
- m_DistortX.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave3Freq", 0.0025),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave3Amp", 4)
- );
- m_DistortZ.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave1Freq", 0.01),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave1Amp", 16)
- );
- m_DistortZ.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave2Freq", 0.005),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave2Amp", 8)
- );
- m_DistortZ.AddOctave(
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave3Freq", 0.0025),
- (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave3Amp", 4)
- );
+ m_FreqX1 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave1Freq", 0.01);
+ m_AmpX1 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave1Amp", 80);
+ m_FreqX2 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave2Freq", 0.05);
+ m_AmpX2 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave2Amp", 20);
+ m_FreqX3 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave3Freq", 0.1),
+ m_AmpX3 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortXOctave3Amp", 8);
+ m_FreqZ1 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave1Freq", 0.01);
+ m_AmpZ1 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave1Amp", 80);
+ m_FreqZ2 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave2Freq", 0.05);
+ m_AmpZ2 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave2Amp", 20);
+ m_FreqZ3 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave3Freq", 0.1);
+ m_AmpZ3 = (float)a_IniFile.GetValueSetF("Generator", "TwoLevelDistortZOctave3Amp", 8);
}
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index 20d199611..22ddfae5c 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -285,12 +285,7 @@ protected:
/// The Voronoi map that decides biomes inside individual biome groups
cVoronoiMap m_VoronoiSmall;
- /// The noise used to distort the input X coord
- cPerlinNoise m_DistortX;
-
- /// The noise used to distort the inupt Z coord
- cPerlinNoise m_DistortZ;
-
+ // The noises used for the distortion:
cNoise m_Noise1;
cNoise m_Noise2;
cNoise m_Noise3;
@@ -298,6 +293,14 @@ protected:
cNoise m_Noise5;
cNoise m_Noise6;
+ // Frequencies and amplitudes for the distortion noises:
+ float m_FreqX1, m_AmpX1;
+ float m_FreqX2, m_AmpX2;
+ float m_FreqX3, m_AmpX3;
+ float m_FreqZ1, m_AmpZ1;
+ float m_FreqZ2, m_AmpZ2;
+ float m_FreqZ3, m_AmpZ3;
+
// cBiomeGen overrides:
virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override;