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author | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:19:41 +0100 |
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committer | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:19:41 +0100 |
commit | 675b4aa878f16291ce33fced48a2bc7425f635ae (patch) | |
tree | 409914df27a98f65adf866da669429c4de141b6f /source/Generating/BioGen.h | |
parent | LineBlockTracer: Using the coord-based block faces. (diff) | |
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Diffstat (limited to 'source/Generating/BioGen.h')
-rw-r--r-- | source/Generating/BioGen.h | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/source/Generating/BioGen.h b/source/Generating/BioGen.h deleted file mode 100644 index bc70bfab2..000000000 --- a/source/Generating/BioGen.h +++ /dev/null @@ -1,230 +0,0 @@ - -// BioGen.h - -/* -Interfaces to the various biome generators: - - cBioGenConstant - - cBioGenCheckerboard - - cBioGenDistortedVoronoi -*/ - - - - - -#pragma once - -#include "ComposableGenerator.h" -#include "../Noise.h" - - - - - -class cBioGenConstant : - public cBiomeGen -{ -public: - cBioGenConstant(void) : m_Biome(biPlains) {} - -protected: - - EMCSBiome m_Biome; - - // cBiomeGen overrides: - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; -} ; - - - - - -/// A simple cache that stores N most recently generated chunks' biomes; N being settable upon creation -class cBioGenCache : - public cBiomeGen -{ - typedef cBiomeGen super; - -public: - cBioGenCache(cBiomeGen * a_BioGenToCache, int a_CacheSize); // Doesn't take ownership of a_BioGenToCache - ~cBioGenCache(); - -protected: - - cBiomeGen * m_BioGenToCache; - - struct sCacheData - { - int m_ChunkX; - int m_ChunkZ; - cChunkDef::BiomeMap m_BiomeMap; - } ; - - // To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data - int m_CacheSize; - int * m_CacheOrder; // MRU-ized order, indices into m_CacheData array - sCacheData * m_CacheData; // m_CacheData[m_CacheOrder[0]] is the most recently used - - // Cache statistics - int m_NumHits; - int m_NumMisses; - int m_TotalChain; // Number of cache items walked to get to a hit (only added for hits) - - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; -} ; - - - - - -/// Base class for generators that use a list of available biomes. This class takes care of the list. -class cBiomeGenList : - public cBiomeGen -{ - typedef cBiomeGen super; - -protected: - // List of biomes that the generator is allowed to generate: - typedef std::vector<EMCSBiome> EMCSBiomes; - EMCSBiomes m_Biomes; - int m_BiomesCount; // Pulled out of m_Biomes for faster access - - /// Parses the INI file setting string into m_Biomes. - void InitializeBiomes(const AString & a_Biomes); -} ; - - - - - -class cBioGenCheckerboard : - public cBiomeGenList -{ - typedef cBiomeGenList super; - -protected: - int m_BiomeSize; - - // cBiomeGen overrides: - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; -} ; - - - - - -class cBioGenVoronoi : - public cBiomeGenList -{ - typedef cBiomeGenList super; - -public: - cBioGenVoronoi(int a_Seed) : - m_Noise(a_Seed) - { - } - -protected: - int m_CellSize; - - cNoise m_Noise; - - // cBiomeGen overrides: - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; - - EMCSBiome VoronoiBiome(int a_BlockX, int a_BlockZ); -} ; - - - - - -class cBioGenDistortedVoronoi : - public cBioGenVoronoi -{ - typedef cBioGenVoronoi super; -public: - cBioGenDistortedVoronoi(int a_Seed) : - cBioGenVoronoi(a_Seed) - { - } - -protected: - // cBiomeGen overrides: - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; - - /// Distorts the coords using a Perlin-like noise - void Distort(int a_BlockX, int a_BlockZ, int & a_DistortedX, int & a_DistortedZ); -} ; - - - - - -class cBioGenMultiStepMap : - public cBiomeGen -{ - typedef cBiomeGen super; - -public: - cBioGenMultiStepMap(int a_Seed); - -protected: - // Noises used for composing the perlin-noise: - cNoise m_Noise1; - cNoise m_Noise2; - cNoise m_Noise3; - cNoise m_Noise4; - cNoise m_Noise5; - cNoise m_Noise6; - - int m_Seed; - int m_OceanCellSize; - int m_MushroomIslandSize; - int m_RiverCellSize; - double m_RiverWidthThreshold; - float m_LandBiomesSize; - - typedef int IntMap[17 * 17]; // x + 17 * z, expected trimmed into [0..255] range - typedef double DblMap[17 * 17]; // x + 17 * z, expected trimmed into [0..1] range - - // cBiomeGen overrides: - virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override; - virtual void InitializeBiomeGen(cIniFile & a_IniFile) override; - - /** Step 1: Decides between ocean, land and mushroom, using a DistVoronoi with special conditions and post-processing for mushroom islands - Sets biomes to biOcean, -1 (i.e. land), biMushroomIsland or biMushroomShore - */ - void DecideOceanLandMushroom(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap); - - /** Step 2: Add rivers to the land - Flips some "-1" biomes into biRiver - */ - void AddRivers(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap); - - /** Step 3: Decide land biomes using a temperature / humidity map; freeze ocean / river in low temperatures. - Flips all remaining "-1" biomes into land biomes. Also flips some biOcean and biRiver into biFrozenOcean, biFrozenRiver, based on temp map. - */ - void ApplyTemperatureHumidity(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap); - - /// Distorts the coords using a Perlin-like noise, with a specified cell-size - void Distort(int a_BlockX, int a_BlockZ, int & a_DistortedX, int & a_DistortedZ, int a_CellSize); - - /// Builds two Perlin-noise maps, one for temperature, the other for humidity. Trims both into [0..255] range - void BuildTemperatureHumidityMaps(int a_ChunkX, int a_ChunkZ, IntMap & a_TemperatureMap, IntMap & a_HumidityMap); - - /// Flips all remaining "-1" biomes into land biomes using the two maps - void DecideLandBiomes(cChunkDef::BiomeMap & a_BiomeMap, const IntMap & a_TemperatureMap, const IntMap & a_HumidityMap); - - /// Flips biOcean and biRiver into biFrozenOcean and biFrozenRiver if the temperature is too low - void FreezeWaterBiomes(cChunkDef::BiomeMap & a_BiomeMap, const IntMap & a_TemperatureMap); -} ; - - - - |