// 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 found 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->Initialize(a_IniFile);
}
void cComposableGenerator::InitHeightGen(cIniFile & a_IniFile)
{
AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", "");
if (HeightGenName.empty())
{
LOGWARN("[Generator]::HeightGen value not found in world.ini, using \"Biomal\".");
HeightGenName = "Biomal";
}
int Seed = m_ChunkGenerator.GetSeed();
bool CacheOffByDefault = false;
if (NoCaseCompare(HeightGenName, "flat") == 0)
{
int Height = a_IniFile.GetValueSetI("Generator", "FlatHeight", 5);
m_HeightGen = new cHeiGenFlat(Height);
CacheOffByDefault = true; // We're generating faster than a cache would retrieve data
}
else if (NoCaseCompare(HeightGenName, "classic") == 0)
{
// These used to be in terrain.ini, but now they are in world.ini (so that multiple worlds can have different values):
float HeightFreq1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq1", 0.1);
float HeightFreq2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq2", 1.0);
float HeightFreq3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightFreq3", 2.0);
float HeightAmp1 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp1", 1.0);
float HeightAmp2 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp2", 0.5);
float HeightAmp3 = (float)a_IniFile.GetValueSetF("Generator", "ClassicHeightAmp3", 0.5);
m_HeightGen = new cHeiGenClassic(Seed, HeightFreq1, HeightAmp1, HeightFreq2, HeightAmp2, HeightFreq3, HeightAmp3);
}
else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0)
{
m_HeightGen = new cDistortedHeightmap(Seed, *m_BiomeGen);
((cDistortedHeightmap *)m_HeightGen)->Initialize(a_IniFile);
}
else if (NoCaseCompare(HeightGenName, "End") == 0)
{
m_HeightGen = new cEndGen(Seed);
((cEndGen *)m_HeightGen)->Initialize(a_IniFile);
}
else if (NoCaseCompare(HeightGenName, "Noise3D") == 0)
{
m_HeightGen = new cNoise3DComposable(Seed);
((cNoise3DComposable *)m_HeightGen)->Initialize(a_IniFile);
}
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);
//*/
}
// 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;
}
LOGINFO("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)
{
AString CompoGenName = a_IniFile.GetValueSet("Generator", "CompositionGen", "");
if (CompoGenName.empty())
{
LOGWARN("[Generator]::CompositionGen value not found in world.ini, using \"Biomal\".");
CompoGenName = "Biomal";
}
if (NoCaseCompare(CompoGenName, "sameblock") == 0)
{
int Block = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "SameBlockType", "stone");
bool Bedrocked = (a_IniFile.GetValueSetI("Generator", "SameBlockBedrocked", 1) != 0);
m_CompositionGen = new cCompoGenSameBlock((BLOCKTYPE)Block, Bedrocked);
}
else if (NoCaseCompare(CompoGenName, "debugbiomes") == 0)
{
m_CompositionGen = new cCompoGenDebugBiomes;
}
else if (NoCaseCompare(CompoGenName, "classic") == 0)
{
int SeaLevel = a_IniFile.GetValueSetI("Generator", "ClassicSeaLevel", 60);
int BeachHeight = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", 2);
int BeachDepth = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth", 4);
BLOCKTYPE BlockTop = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockTop", "grass");
BLOCKTYPE BlockMiddle = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockMiddle", "dirt");
BLOCKTYPE BlockBottom = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockBottom", "stone");
BLOCKTYPE BlockBeach = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeach", "sand");
BLOCKTYPE BlockBeachBottom = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone");
BLOCKTYPE BlockSea = m_ChunkGenerator.GetIniBlock(a_IniFile, "Generator", "ClassicBlockSea", "stationarywater");
m_CompositionGen = new cCompoGenClassic(
SeaLevel, BeachHeight, BeachDepth, BlockTop, BlockMiddle, BlockBottom, BlockBeach,
BlockBeachBottom, BlockSea
);
}
else if (NoCaseCompare(CompoGenName, "DistortedHeightmap") == 0)
{
m_CompositionGen = new cDistortedHeightmap(m_ChunkGenerator.GetSeed(), *m_BiomeGen);
((cDistortedHeightmap *)m_CompositionGen)->Initialize(a_IniFile);
}
else if (NoCaseCompare(CompoGenName, "end") == 0)
{
m_CompositionGen = new cEndGen(m_ChunkGenerator.GetSeed());
((cEndGen *)m_CompositionGen)->Initialize(a_IniFile);
}
else if (NoCaseCompare(CompoGenName, "nether") == 0)
{
m_CompositionGen = new cCompoGenNether(m_ChunkGenerator.GetSeed());
}
else if (NoCaseCompare(CompoGenName, "Noise3D") == 0)
{
m_CompositionGen = new cNoise3DComposable(m_ChunkGenerator.GetSeed());
((cNoise3DComposable *)m_CompositionGen)->Initialize(a_IniFile);
}
else
{
if (NoCaseCompare(CompoGenName, "biomal") != 0)
{
LOGWARN("Unknown CompositionGen \"%s\", using \"biomal\" instead.", CompoGenName.c_str());
}
int SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalSeaLevel", 62);
int Seed = m_ChunkGenerator.GetSeed();
m_CompositionGen = new cCompoGenBiomal(Seed, SeaLevel);
/*
// 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);
//*/
}
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[]
}
