summaryrefslogtreecommitdiffstats
path: root/src/Generating/BioGen.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/Generating/BioGen.cpp')
-rw-r--r--src/Generating/BioGen.cpp250
1 files changed, 155 insertions, 95 deletions
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 8fad9f5c9..8924a7999 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -13,72 +13,6 @@
////////////////////////////////////////////////////////////////////////////////
-// cBiomeGen:
-
-cBiomeGen * cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & a_CacheOffByDefault)
-{
- AString BiomeGenName = a_IniFile.GetValueSet("Generator", "BiomeGen", "");
- if (BiomeGenName.empty())
- {
- LOGWARN("[Generator] BiomeGen value not set in world.ini, using \"MultiStepMap\".");
- BiomeGenName = "MultiStepMap";
- }
-
- cBiomeGen * res = NULL;
- a_CacheOffByDefault = false;
- if (NoCaseCompare(BiomeGenName, "constant") == 0)
- {
- res = new cBioGenConstant;
- a_CacheOffByDefault = true; // we're generating faster than a cache would retrieve data :)
- }
- else if (NoCaseCompare(BiomeGenName, "checkerboard") == 0)
- {
- res = new cBioGenCheckerboard;
- a_CacheOffByDefault = true; // we're (probably) generating faster than a cache would retrieve data
- }
- else if (NoCaseCompare(BiomeGenName, "voronoi") == 0)
- {
- res = new cBioGenVoronoi(a_Seed);
- }
- else if (NoCaseCompare(BiomeGenName, "distortedvoronoi") == 0)
- {
- res = new cBioGenDistortedVoronoi(a_Seed);
- }
- else if (NoCaseCompare(BiomeGenName, "twolevel") == 0)
- {
- res = new cBioGenTwoLevel(a_Seed);
- }
- else
- {
- if (NoCaseCompare(BiomeGenName, "multistepmap") != 0)
- {
- LOGWARNING("Unknown BiomeGen \"%s\", using \"MultiStepMap\" instead.", BiomeGenName.c_str());
- }
- res = new cBioGenMultiStepMap(a_Seed);
-
- /*
- // Performance-testing:
- LOGINFO("Measuring performance of cBioGenMultiStepMap...");
- clock_t BeginTick = clock();
- for (int x = 0; x < 5000; x++)
- {
- cChunkDef::BiomeMap Biomes;
- res->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);
- //*/
- }
- res->InitializeBiomeGen(a_IniFile);
-
- return res;
-}
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////
// cBioGenConstant:
void cBioGenConstant::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
@@ -151,7 +85,7 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
LOGD("BioGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
}
-
+
for (int i = 0; i < m_CacheSize; i++)
{
if (
@@ -208,6 +142,59 @@ void cBioGenCache::InitializeBiomeGen(cIniFile & a_IniFile)
+////////////////////////////////////////////////////////////////////////////////
+// cBioGenMulticache:
+
+cBioGenMulticache::cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_CacheSize, size_t a_CachesLength) :
+ m_CachesLength(a_CachesLength)
+{
+ m_Caches.reserve(a_CachesLength);
+ for (size_t i = 0; i < a_CachesLength; i++)
+ {
+ m_Caches.push_back(new cBioGenCache(a_BioGenToCache, a_CacheSize));
+ }
+}
+
+
+
+
+
+cBioGenMulticache::~cBioGenMulticache()
+{
+ for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+ {
+ delete *it;
+ }
+}
+
+
+
+
+
+void cBioGenMulticache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ const size_t coefficient = 3;
+ const size_t cacheIdx = ((size_t)a_ChunkX + coefficient * (size_t)a_ChunkZ) % m_CachesLength;
+
+ m_Caches[cacheIdx]->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
+}
+
+
+
+
+
+void cBioGenMulticache::InitializeBiomeGen(cIniFile & a_IniFile)
+{
+ for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+ {
+ cBiomeGen * tmp = *it;
+ tmp->InitializeBiomeGen(a_IniFile);
+ }
+}
+
+
+
+
////////////////////////////////////////////////////////////////////////////////
// cBiomeGenList:
@@ -349,8 +336,13 @@ void cBioGenVoronoi::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap &
void cBioGenVoronoi::InitializeBiomeGen(cIniFile & a_IniFile)
{
super::InitializeBiomeGen(a_IniFile);
- m_Voronoi.SetCellSize(a_IniFile.GetValueSetI("Generator", "VoronoiCellSize", 64));
- InitializeBiomes (a_IniFile.GetValueSet ("Generator", "VoronoiBiomes", ""));
+ int CellSize = a_IniFile.GetValueSetI("Generator", "VoronoiCellSize", 128);
+ int JitterSize = a_IniFile.GetValueSetI("Generator", "VoronoiJitterSize", CellSize);
+ int OddRowOffset = a_IniFile.GetValueSetI("Generator", "VoronoiOddRowOffset", 0);
+ m_Voronoi.SetCellSize(CellSize);
+ m_Voronoi.SetJitterSize(JitterSize);
+ m_Voronoi.SetOddRowOffset(OddRowOffset);
+ InitializeBiomes(a_IniFile.GetValueSet ("Generator", "VoronoiBiomes", ""));
}
@@ -745,8 +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),
@@ -770,19 +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]);
@@ -793,9 +781,10 @@ void cBioGenTwoLevel::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap
{
for (int x = 0; x < cChunkDef::Width; x++)
{
- int MinDist1, MinDist2;
- int BiomeGroup = m_VoronoiLarge.GetValueAt(DistortX[x][z], DistortZ[x][z], MinDist1, MinDist2) / 7;
- int BiomeIdx = m_VoronoiSmall.GetValueAt(DistortX[x][z], DistortZ[x][z], MinDist1, MinDist2) / 11;
+ int SeedX, SeedZ, MinDist2;
+ int BiomeGroup = m_VoronoiLarge.GetValueAt(DistortX[x][z], DistortZ[x][z], SeedX, SeedZ, MinDist2) / 7;
+ int BiomeIdx = m_VoronoiSmall.GetValueAt(DistortX[x][z], DistortZ[x][z], SeedX, SeedZ, MinDist2) / 11;
+ int MinDist1 = (DistortX[x][z] - SeedX) * (DistortX[x][z] - SeedX) + (DistortZ[x][z] - SeedZ) * (DistortZ[x][z] - SeedZ);
cChunkDef::SetBiome(a_BiomeMap, x, z, SelectBiome(BiomeGroup, BiomeIdx, (MinDist1 < MinDist2 / 4) ? 0 : 1));
}
}
@@ -920,15 +909,86 @@ EMCSBiome cBioGenTwoLevel::SelectBiome(int a_BiomeGroup, int a_BiomeIdx, int a_D
void cBioGenTwoLevel::InitializeBiomeGen(cIniFile & a_IniFile)
{
- // TODO: Read these from a file
- m_VoronoiLarge.SetCellSize(1024);
- m_VoronoiSmall.SetCellSize(128);
- m_DistortX.AddOctave(0.01f, 16);
- m_DistortX.AddOctave(0.005f, 8);
- m_DistortX.AddOctave(0.0025f, 4);
- m_DistortZ.AddOctave(0.01f, 16);
- m_DistortZ.AddOctave(0.005f, 8);
- m_DistortZ.AddOctave(0.0025f, 4);
+ m_VoronoiLarge.SetCellSize(a_IniFile.GetValueSetI("Generator", "TwoLevelLargeCellSize", 1024));
+ m_VoronoiSmall.SetCellSize(a_IniFile.GetValueSetI("Generator", "TwoLevelSmallCellSize", 128));
+ 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);
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cBiomeGen:
+
+cBiomeGen * cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & a_CacheOffByDefault)
+{
+ AString BiomeGenName = a_IniFile.GetValueSet("Generator", "BiomeGen", "");
+ if (BiomeGenName.empty())
+ {
+ LOGWARN("[Generator] BiomeGen value not set in world.ini, using \"MultiStepMap\".");
+ BiomeGenName = "MultiStepMap";
+ }
+
+ cBiomeGen * res = NULL;
+ a_CacheOffByDefault = false;
+ if (NoCaseCompare(BiomeGenName, "constant") == 0)
+ {
+ res = new cBioGenConstant;
+ a_CacheOffByDefault = true; // we're generating faster than a cache would retrieve data :)
+ }
+ else if (NoCaseCompare(BiomeGenName, "checkerboard") == 0)
+ {
+ res = new cBioGenCheckerboard;
+ a_CacheOffByDefault = true; // we're (probably) generating faster than a cache would retrieve data
+ }
+ else if (NoCaseCompare(BiomeGenName, "voronoi") == 0)
+ {
+ res = new cBioGenVoronoi(a_Seed);
+ }
+ else if (NoCaseCompare(BiomeGenName, "distortedvoronoi") == 0)
+ {
+ res = new cBioGenDistortedVoronoi(a_Seed);
+ }
+ else if (NoCaseCompare(BiomeGenName, "twolevel") == 0)
+ {
+ res = new cBioGenTwoLevel(a_Seed);
+ }
+ else
+ {
+ if (NoCaseCompare(BiomeGenName, "multistepmap") != 0)
+ {
+ LOGWARNING("Unknown BiomeGen \"%s\", using \"MultiStepMap\" instead.", BiomeGenName.c_str());
+ }
+ res = new cBioGenMultiStepMap(a_Seed);
+
+ /*
+ // Performance-testing:
+ LOGINFO("Measuring performance of cBioGenMultiStepMap...");
+ clock_t BeginTick = clock();
+ for (int x = 0; x < 5000; x++)
+ {
+ cChunkDef::BiomeMap Biomes;
+ res->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);
+ //*/
+ }
+ res->InitializeBiomeGen(a_IniFile);
+
+ return res;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 03:58:57 +0200