diff options
Diffstat (limited to 'src/Generating/Noise3DGenerator.h')
| -rw-r--r-- | src/Generating/Noise3DGenerator.h | 67 |
1 files changed, 29 insertions, 38 deletions
diff --git a/src/Generating/Noise3DGenerator.h b/src/Generating/Noise3DGenerator.h index ba541fbcc..35b1e4c94 100644 --- a/src/Generating/Noise3DGenerator.h +++ b/src/Generating/Noise3DGenerator.h @@ -13,7 +13,8 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" +#include "../Noise/InterpolNoise.h" @@ -34,17 +35,20 @@ public: protected: // Linear interpolation step sizes, must be divisors of cChunkDef::Width and cChunkDef::Height, respectively: - static const int UPSCALE_X = 8; - static const int UPSCALE_Y = 4; - static const int UPSCALE_Z = 8; + static const int UPSCALE_X = 4; + static const int UPSCALE_Y = 8; + static const int UPSCALE_Z = 4; // Linear interpolation buffer dimensions, calculated from the step sizes: static const int DIM_X = 1 + cChunkDef::Width / UPSCALE_X; static const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y; static const int DIM_Z = 1 + cChunkDef::Width / UPSCALE_Z; - cPerlinNoise m_Perlin; // The base 3D noise source for the actual composition - cCubicNoise m_Cubic; // The noise used for heightmap directing + /** The base 3D noise source for the actual composition */ + cOctavedNoise<cInterp5DegNoise> m_Perlin; + + /** The noise used for heightmap directing. */ + cOctavedNoise<cInterp5DegNoise> m_Cubic; int m_SeaLevel; NOISE_DATATYPE m_HeightAmplification; @@ -69,8 +73,7 @@ protected: class cNoise3DComposable : - public cTerrainHeightGen, - public cTerrainCompositionGen + public cTerrainShapeGen { public: cNoise3DComposable(int a_Seed); @@ -78,21 +81,18 @@ public: void Initialize(cIniFile & a_IniFile); protected: - /** The noise that is used to choose between density noise A and B. */ - cPerlinNoise m_ChoiceNoise; + /** The 3D noise that is used to choose between density noise A and B. */ + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_ChoiceNoise; /** Density 3D noise, variant A. */ - cPerlinNoise m_DensityNoiseA; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_DensityNoiseA; /** Density 3D noise, variant B. */ - cPerlinNoise m_DensityNoiseB; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_DensityNoiseB; /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ - cPerlinNoise m_BaseNoise; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_BaseNoise; - /** Block height of the sealevel, used for composing the terrain. */ - int m_SeaLevel; - /** The main parameter of the generator, specifies the slope of the vertical linear gradient. A higher value means a steeper slope and a smaller total amplitude of the generated terrain. */ NOISE_DATATYPE m_HeightAmplification; @@ -127,12 +127,8 @@ protected: void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ); // cTerrainHeightGen overrides: - virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; - virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } - - // cTerrainCompositionGen overrides: - virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; - virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } + virtual void GenShape(int a_ChunkX, int a_ChunkZ, cChunkDesc::Shape & a_Shape) override; + virtual void InitializeShapeGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } } ; @@ -140,8 +136,7 @@ protected: class cBiomalNoise3DComposable : - public cTerrainHeightGen, - public cTerrainCompositionGen + public cTerrainShapeGen { public: cBiomalNoise3DComposable(int a_Seed, cBiomeGenPtr a_BiomeGen); @@ -149,24 +144,24 @@ public: void Initialize(cIniFile & a_IniFile); protected: - /** Number of columns around the pixel to query for biomes for averaging. */ - static const int AVERAGING_SIZE = 5; + /** Number of columns around the pixel to query for biomes for averaging. Must be less than or equal to 16. */ + static const int AVERAGING_SIZE = 9; /** Type used for a single parameter across the entire (downscaled) chunk. */ typedef NOISE_DATATYPE ChunkParam[5 * 5]; /** The noise that is used to choose between density noise A and B. */ - cPerlinNoise m_ChoiceNoise; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_ChoiceNoise; /** Density 3D noise, variant A. */ - cPerlinNoise m_DensityNoiseA; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_DensityNoiseA; /** Density 3D noise, variant B. */ - cPerlinNoise m_DensityNoiseB; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_DensityNoiseB; /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ - cPerlinNoise m_BaseNoise; + cOctavedNoise<cInterpolNoise<Interp5Deg>> m_BaseNoise; /** The underlying biome generator. */ cBiomeGenPtr m_BiomeGen; @@ -194,7 +189,7 @@ protected: // Cache for the last calculated chunk (reused between heightmap and composition queries): int m_LastChunkX; int m_LastChunkZ; - NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y + NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // 257 * x + y + 257 * 17 * z /** Weights for summing up neighboring biomes. */ NOISE_DATATYPE m_Weight[AVERAGING_SIZE * 2 + 1][AVERAGING_SIZE * 2 + 1]; @@ -212,13 +207,9 @@ protected: /** Returns the parameters for the specified biome. */ void GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE & a_HeightAmp, NOISE_DATATYPE & a_MidPoint); - // cTerrainHeightGen overrides: - virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; - virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } - - // cTerrainCompositionGen overrides: - virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; - virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } + // cTerrainShapeGen overrides: + virtual void GenShape(int a_ChunkX, int a_ChunkZ, cChunkDesc::Shape & a_Shape) override; + virtual void InitializeShapeGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } } ; |