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Diffstat (limited to 'src/Generating/ComposableGenerator.cpp')
| -rw-r--r-- | src/Generating/ComposableGenerator.cpp | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp new file mode 100644 index 000000000..2637b64e7 --- /dev/null +++ b/src/Generating/ComposableGenerator.cpp @@ -0,0 +1,501 @@ + +// ComposableGenerator.cpp + +// Implements the cComposableGenerator class representing the chunk generator that takes the composition approach to generating chunks + +#include "Globals.h" + +#include "ComposableGenerator.h" +#include "../World.h" +#include "../../iniFile/iniFile.h" +#include "../Root.h" + +// Individual composed algorithms: +#include "BioGen.h" +#include "HeiGen.h" +#include "CompoGen.h" +#include "StructGen.h" +#include "FinishGen.h" + +#include "Caves.h" +#include "DistortedHeightmap.h" +#include "EndGen.h" +#include "MineShafts.h" +#include "Noise3DGenerator.h" +#include "Ravines.h" + + + + + + + + + + +cComposableGenerator::cComposableGenerator(cChunkGenerator & a_ChunkGenerator) : + super(a_ChunkGenerator), + m_BiomeGen(NULL), + m_HeightGen(NULL), + m_CompositionGen(NULL), + m_UnderlyingBiomeGen(NULL), + m_UnderlyingHeightGen(NULL), + m_UnderlyingCompositionGen(NULL) +{ +} + + + + + +cComposableGenerator::~cComposableGenerator() +{ + // Delete the generating composition: + for (cFinishGenList::const_iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr) + { + delete *itr; + } + m_FinishGens.clear(); + for (cStructureGenList::const_iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr) + { + delete *itr; + } + m_StructureGens.clear(); + + delete m_CompositionGen; + m_CompositionGen = NULL; + delete m_HeightGen; + m_HeightGen = NULL; + delete m_BiomeGen; + m_BiomeGen = NULL; + delete m_UnderlyingCompositionGen; + m_UnderlyingCompositionGen = NULL; + delete m_UnderlyingHeightGen; + m_UnderlyingHeightGen = NULL; + delete m_UnderlyingBiomeGen; + m_UnderlyingBiomeGen = NULL; +} + + + + + +void cComposableGenerator::Initialize(cWorld * a_World, cIniFile & a_IniFile) +{ + super::Initialize(a_World, a_IniFile); + + InitBiomeGen(a_IniFile); + InitHeightGen(a_IniFile); + InitCompositionGen(a_IniFile); + InitStructureGens(a_IniFile); + InitFinishGens(a_IniFile); +} + + + + + +void cComposableGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) +{ + if (m_BiomeGen != NULL) // Quick fix for generator deinitializing before the world storage finishes loading + { + m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap); + } +} + + + + + +void cComposableGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_ChunkDesc) +{ + if (a_ChunkDesc.IsUsingDefaultBiomes()) + { + m_BiomeGen->GenBiomes(a_ChunkX, a_ChunkZ, a_ChunkDesc.GetBiomeMap()); + } + + if (a_ChunkDesc.IsUsingDefaultHeight()) + { + m_HeightGen->GenHeightMap(a_ChunkX, a_ChunkZ, a_ChunkDesc.GetHeightMap()); + } + + if (a_ChunkDesc.IsUsingDefaultComposition()) + { + m_CompositionGen->ComposeTerrain(a_ChunkDesc); + } + + if (a_ChunkDesc.IsUsingDefaultStructures()) + { + for (cStructureGenList::iterator itr = m_StructureGens.begin(); itr != m_StructureGens.end(); ++itr) + { + (*itr)->GenStructures(a_ChunkDesc); + } // for itr - m_StructureGens[] + } + + if (a_ChunkDesc.IsUsingDefaultFinish()) + { + for (cFinishGenList::iterator itr = m_FinishGens.begin(); itr != m_FinishGens.end(); ++itr) + { + (*itr)->GenFinish(a_ChunkDesc); + } // for itr - m_FinishGens[] + } +} + + + + + +void cComposableGenerator::InitBiomeGen(cIniFile & a_IniFile) +{ + AString BiomeGenName = a_IniFile.GetValueSet("Generator", "BiomeGen", ""); + if (BiomeGenName.empty()) + { + LOGWARN("[Generator] BiomeGen value not set in world.ini, using \"MultiStepMap\"."); + BiomeGenName = "MultiStepMap"; + } + + int Seed = m_ChunkGenerator.GetSeed(); + bool CacheOffByDefault = false; + if (NoCaseCompare(BiomeGenName, "constant") == 0) + { + m_BiomeGen = new cBioGenConstant; + CacheOffByDefault = true; // we're generating faster than a cache would retrieve data :) + } + else if (NoCaseCompare(BiomeGenName, "checkerboard") == 0) + { + m_BiomeGen = new cBioGenCheckerboard; + CacheOffByDefault = true; // we're (probably) generating faster than a cache would retrieve data + } + else if (NoCaseCompare(BiomeGenName, "voronoi") == 0) + { + m_BiomeGen = new cBioGenVoronoi(Seed); + } + else if (NoCaseCompare(BiomeGenName, "distortedvoronoi") == 0) + { + m_BiomeGen = new cBioGenDistortedVoronoi(Seed); + } + else + { + if (NoCaseCompare(BiomeGenName, "multistepmap") != 0) + { + LOGWARNING("Unknown BiomeGen \"%s\", using \"MultiStepMap\" instead.", BiomeGenName.c_str()); + } + m_BiomeGen = new cBioGenMultiStepMap(Seed); + + /* + // Performance-testing: + LOGINFO("Measuring performance of cBioGenMultiStepMap..."); + clock_t BeginTick = clock(); + for (int x = 0; x < 5000; x++) + { + cChunkDef::BiomeMap Biomes; + m_BiomeGen->GenBiomes(x * 5, x * 5, Biomes); + } + clock_t Duration = clock() - BeginTick; + LOGINFO("cBioGenMultiStepMap for 5000 chunks took %d ticks (%.02f sec)", Duration, (double)Duration / CLOCKS_PER_SEC); + //*/ + } + + // Add a cache, if requested: + int CacheSize = a_IniFile.GetValueSetI("Generator", "BiomeGenCacheSize", CacheOffByDefault ? 0 : 64); + if (CacheSize > 0) + { + if (CacheSize < 4) + { + LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d", + CacheSize, 4 + ); + CacheSize = 4; + } + LOGD("Using a cache for biomegen of size %d.", CacheSize); + m_UnderlyingBiomeGen = m_BiomeGen; + m_BiomeGen = new cBioGenCache(m_UnderlyingBiomeGen, CacheSize); + } + m_BiomeGen->InitializeBiomeGen(a_IniFile); +} + + + + + +void cComposableGenerator::InitHeightGen(cIniFile & a_IniFile) +{ + AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", ""); + if (HeightGenName.empty()) + { + LOGWARN("[Generator] HeightGen value not set in world.ini, using \"Biomal\"."); + HeightGenName = "Biomal"; + } + + int Seed = m_ChunkGenerator.GetSeed(); + bool CacheOffByDefault = false; + if (NoCaseCompare(HeightGenName, "flat") == 0) + { + m_HeightGen = new cHeiGenFlat; + CacheOffByDefault = true; // We're generating faster than a cache would retrieve data + } + else if (NoCaseCompare(HeightGenName, "classic") == 0) + { + m_HeightGen = new cHeiGenClassic(Seed); + } + else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0) + { + m_HeightGen = new cDistortedHeightmap(Seed, *m_BiomeGen); + } + else if (NoCaseCompare(HeightGenName, "End") == 0) + { + m_HeightGen = new cEndGen(Seed); + } + else if (NoCaseCompare(HeightGenName, "Noise3D") == 0) + { + m_HeightGen = new cNoise3DComposable(Seed); + } + else // "biomal" or <not found> + { + if (NoCaseCompare(HeightGenName, "biomal") != 0) + { + LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str()); + } + m_HeightGen = new cHeiGenBiomal(Seed, *m_BiomeGen); + + /* + // Performance-testing: + LOGINFO("Measuring performance of cHeiGenBiomal..."); + clock_t BeginTick = clock(); + for (int x = 0; x < 500; x++) + { + cChunkDef::HeightMap Heights; + m_HeightGen->GenHeightMap(x * 5, x * 5, Heights); + } + clock_t Duration = clock() - BeginTick; + LOGINFO("HeightGen for 500 chunks took %d ticks (%.02f sec)", Duration, (double)Duration / CLOCKS_PER_SEC); + //*/ + } + + // Read the settings: + m_HeightGen->InitializeHeightGen(a_IniFile); + + // Add a cache, if requested: + int CacheSize = a_IniFile.GetValueSetI("Generator", "HeightGenCacheSize", CacheOffByDefault ? 0 : 64); + if (CacheSize > 0) + { + if (CacheSize < 4) + { + LOGWARNING("Heightgen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d", + CacheSize, 4 + ); + CacheSize = 4; + } + LOGD("Using a cache for Heightgen of size %d.", CacheSize); + m_UnderlyingHeightGen = m_HeightGen; + m_HeightGen = new cHeiGenCache(*m_UnderlyingHeightGen, CacheSize); + } +} + + + + + +void cComposableGenerator::InitCompositionGen(cIniFile & a_IniFile) +{ + int Seed = m_ChunkGenerator.GetSeed(); + AString CompoGenName = a_IniFile.GetValueSet("Generator", "CompositionGen", ""); + if (CompoGenName.empty()) + { + LOGWARN("[Generator] CompositionGen value not set in world.ini, using \"Biomal\"."); + CompoGenName = "Biomal"; + } + if (NoCaseCompare(CompoGenName, "sameblock") == 0) + { + m_CompositionGen = new cCompoGenSameBlock; + } + else if (NoCaseCompare(CompoGenName, "debugbiomes") == 0) + { + m_CompositionGen = new cCompoGenDebugBiomes; + } + else if (NoCaseCompare(CompoGenName, "classic") == 0) + { + m_CompositionGen = new cCompoGenClassic; + } + else if (NoCaseCompare(CompoGenName, "DistortedHeightmap") == 0) + { + m_CompositionGen = new cDistortedHeightmap(Seed, *m_BiomeGen); + } + else if (NoCaseCompare(CompoGenName, "end") == 0) + { + m_CompositionGen = new cEndGen(Seed); + } + else if (NoCaseCompare(CompoGenName, "nether") == 0) + { + m_CompositionGen = new cCompoGenNether(Seed); + } + else if (NoCaseCompare(CompoGenName, "Noise3D") == 0) + { + m_CompositionGen = new cNoise3DComposable(m_ChunkGenerator.GetSeed()); + } + else + { + if (NoCaseCompare(CompoGenName, "biomal") != 0) + { + LOGWARN("Unknown CompositionGen \"%s\", using \"biomal\" instead.", CompoGenName.c_str()); + } + m_CompositionGen = new cCompoGenBiomal(Seed); + + /* + // Performance-testing: + LOGINFO("Measuring performance of cCompoGenBiomal..."); + clock_t BeginTick = clock(); + for (int x = 0; x < 500; x++) + { + cChunkDesc Desc(200 + x * 8, 200 + x * 8); + m_BiomeGen->GenBiomes(Desc.GetChunkX(), Desc.GetChunkZ(), Desc.GetBiomeMap()); + m_HeightGen->GenHeightMap(Desc.GetChunkX(), Desc.GetChunkZ(), Desc.GetHeightMap()); + m_CompositionGen->ComposeTerrain(Desc); + } + clock_t Duration = clock() - BeginTick; + LOGINFO("CompositionGen for 500 chunks took %d ticks (%.02f sec)", Duration, (double)Duration / CLOCKS_PER_SEC); + //*/ + } + + // Read the settings from the ini file: + m_CompositionGen->InitializeCompoGen(a_IniFile); + + int CompoGenCacheSize = a_IniFile.GetValueSetI("Generator", "CompositionGenCacheSize", 64); + if (CompoGenCacheSize > 1) + { + m_UnderlyingCompositionGen = m_CompositionGen; + m_CompositionGen = new cCompoGenCache(*m_UnderlyingCompositionGen, 32); + } +} + + + + + +void cComposableGenerator::InitStructureGens(cIniFile & a_IniFile) +{ + AString Structures = a_IniFile.GetValueSet("Generator", "Structures", "Ravines, WormNestCaves, WaterLakes, LavaLakes, OreNests, Trees"); + + int Seed = m_ChunkGenerator.GetSeed(); + AStringVector Str = StringSplitAndTrim(Structures, ","); + for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr) + { + if (NoCaseCompare(*itr, "DualRidgeCaves") == 0) + { + float Threshold = (float)a_IniFile.GetValueSetF("Generator", "DualRidgeCavesThreshold", 0.3); + m_StructureGens.push_back(new cStructGenDualRidgeCaves(Seed, Threshold)); + } + else if (NoCaseCompare(*itr, "DirectOverhangs") == 0) + { + m_StructureGens.push_back(new cStructGenDirectOverhangs(Seed)); + } + else if (NoCaseCompare(*itr, "DistortedMembraneOverhangs") == 0) + { + m_StructureGens.push_back(new cStructGenDistortedMembraneOverhangs(Seed)); + } + else if (NoCaseCompare(*itr, "LavaLakes") == 0) + { + int Probability = a_IniFile.GetValueSetI("Generator", "LavaLakesProbability", 10); + m_StructureGens.push_back(new cStructGenLakes(Seed * 5 + 16873, E_BLOCK_STATIONARY_LAVA, *m_HeightGen, Probability)); + } + else if (NoCaseCompare(*itr, "MarbleCaves") == 0) + { + m_StructureGens.push_back(new cStructGenMarbleCaves(Seed)); + } + else if (NoCaseCompare(*itr, "MineShafts") == 0) + { + int GridSize = a_IniFile.GetValueSetI("Generator", "MineShaftsGridSize", 512); + int MaxSystemSize = a_IniFile.GetValueSetI("Generator", "MineShaftsMaxSystemSize", 160); + int ChanceCorridor = a_IniFile.GetValueSetI("Generator", "MineShaftsChanceCorridor", 600); + int ChanceCrossing = a_IniFile.GetValueSetI("Generator", "MineShaftsChanceCrossing", 200); + int ChanceStaircase = a_IniFile.GetValueSetI("Generator", "MineShaftsChanceStaircase", 200); + m_StructureGens.push_back(new cStructGenMineShafts( + Seed, GridSize, MaxSystemSize, + ChanceCorridor, ChanceCrossing, ChanceStaircase + )); + } + else if (NoCaseCompare(*itr, "OreNests") == 0) + { + m_StructureGens.push_back(new cStructGenOreNests(Seed)); + } + else if (NoCaseCompare(*itr, "Ravines") == 0) + { + m_StructureGens.push_back(new cStructGenRavines(Seed, 128)); + } + else if (NoCaseCompare(*itr, "Trees") == 0) + { + m_StructureGens.push_back(new cStructGenTrees(Seed, m_BiomeGen, m_HeightGen, m_CompositionGen)); + } + else if (NoCaseCompare(*itr, "WaterLakes") == 0) + { + int Probability = a_IniFile.GetValueSetI("Generator", "WaterLakesProbability", 25); + m_StructureGens.push_back(new cStructGenLakes(Seed * 3 + 652, E_BLOCK_STATIONARY_WATER, *m_HeightGen, Probability)); + } + else if (NoCaseCompare(*itr, "WormNestCaves") == 0) + { + m_StructureGens.push_back(new cStructGenWormNestCaves(Seed)); + } + else + { + LOGWARNING("Unknown structure generator: \"%s\". Ignoring.", itr->c_str()); + } + } // for itr - Str[] +} + + + + + +void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile) +{ + int Seed = m_ChunkGenerator.GetSeed(); + AString Structures = a_IniFile.GetValueSet("Generator", "Finishers", "SprinkleFoliage,Ice,Snow,Lilypads,BottomLava,DeadBushes,PreSimulator"); + + AStringVector Str = StringSplitAndTrim(Structures, ","); + for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr) + { + // Finishers, alpha-sorted: + if (NoCaseCompare(*itr, "BottomLava") == 0) + { + int DefaultBottomLavaLevel = (m_World->GetDimension() == dimNether) ? 30 : 10; + int BottomLavaLevel = a_IniFile.GetValueSetI("Generator", "BottomLavaLevel", DefaultBottomLavaLevel); + m_FinishGens.push_back(new cFinishGenBottomLava(BottomLavaLevel)); + } + else if (NoCaseCompare(*itr, "DeadBushes") == 0) + { + m_FinishGens.push_back(new cFinishGenSingleBiomeSingleTopBlock(Seed, E_BLOCK_DEAD_BUSH, biDesert, 2, E_BLOCK_SAND, E_BLOCK_SAND)); + } + else if (NoCaseCompare(*itr, "Ice") == 0) + { + m_FinishGens.push_back(new cFinishGenIce); + } + else if (NoCaseCompare(*itr, "LavaSprings") == 0) + { + m_FinishGens.push_back(new cFinishGenFluidSprings(Seed, E_BLOCK_LAVA, a_IniFile, *m_World)); + } + else if (NoCaseCompare(*itr, "Lilypads") == 0) + { + m_FinishGens.push_back(new cFinishGenSingleBiomeSingleTopBlock(Seed, E_BLOCK_LILY_PAD, biSwampland, 4, E_BLOCK_WATER, E_BLOCK_STATIONARY_WATER)); + } + else if (NoCaseCompare(*itr, "PreSimulator") == 0) + { + m_FinishGens.push_back(new cFinishGenPreSimulator); + } + else if (NoCaseCompare(*itr, "Snow") == 0) + { + m_FinishGens.push_back(new cFinishGenSnow); + } + else if (NoCaseCompare(*itr, "SprinkleFoliage") == 0) + { + m_FinishGens.push_back(new cFinishGenSprinkleFoliage(Seed)); + } + else if (NoCaseCompare(*itr, "WaterSprings") == 0) + { + m_FinishGens.push_back(new cFinishGenFluidSprings(Seed, E_BLOCK_WATER, a_IniFile, *m_World)); + } + } // for itr - Str[] +} + + + + |