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-rw-r--r--src/Generating/BioGen.cpp268
-rw-r--r--src/Generating/CMakeLists.txt2
-rw-r--r--src/Generating/DistortedHeightmap.cpp28
-rw-r--r--src/Generating/FinishGen.cpp10
-rw-r--r--src/Generating/HeiGen.cpp383
-rw-r--r--src/Generating/IntGen.h1406
-rw-r--r--src/Generating/ProtIntGen.h1351
7 files changed, 3345 insertions, 103 deletions
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 203faff56..2a4dbe794 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -5,6 +5,10 @@
#include "Globals.h"
#include "BioGen.h"
+#include <chrono>
+#include <iostream>
+#include "IntGen.h"
+#include "ProtIntGen.h"
#include "../IniFile.h"
#include "../LinearUpscale.h"
@@ -917,6 +921,214 @@ void cBioGenTwoLevel::InitializeBiomeGen(cIniFile & a_IniFile)
////////////////////////////////////////////////////////////////////////////////
+// cBioGenGrown:
+
+class cBioGenGrown:
+ public cBiomeGen
+{
+public:
+ cBioGenGrown(int a_Seed)
+ {
+ auto FinalRivers =
+ std::make_shared<cIntGenSmooth<8>> (a_Seed + 1,
+ std::make_shared<cIntGenZoom <10>> (a_Seed + 2,
+ std::make_shared<cIntGenRiver <7>> (a_Seed + 3,
+ std::make_shared<cIntGenZoom <9>> (a_Seed + 4,
+ std::make_shared<cIntGenSmooth<6>> (a_Seed + 5,
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 8,
+ std::make_shared<cIntGenSmooth<6>> (a_Seed + 5,
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 9,
+ std::make_shared<cIntGenSmooth<6>> (a_Seed + 5,
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 10,
+ std::make_shared<cIntGenSmooth<6>> (a_Seed + 5,
+ std::make_shared<cIntGenSmooth<8>> (a_Seed + 6,
+ std::make_shared<cIntGenZoom <10>> (a_Seed + 11,
+ std::make_shared<cIntGenChoice<2, 7>>(a_Seed + 12
+ ))))))))))))));
+
+ auto alteration =
+ std::make_shared<cIntGenZoom <8>>(a_Seed,
+ std::make_shared<cIntGenLandOcean<6>>(a_Seed, 20
+ ));
+
+ auto alteration2 =
+ std::make_shared<cIntGenZoom <8>>(a_Seed + 1,
+ std::make_shared<cIntGenZoom <6>>(a_Seed + 2,
+ std::make_shared<cIntGenZoom <5>>(a_Seed + 1,
+ std::make_shared<cIntGenZoom <4>>(a_Seed + 2,
+ std::make_shared<cIntGenLandOcean<4>>(a_Seed + 1, 10
+ )))));
+
+ auto FinalBiomes =
+ std::make_shared<cIntGenSmooth <8>> (a_Seed + 1,
+ std::make_shared<cIntGenZoom <10>>(a_Seed + 15,
+ std::make_shared<cIntGenSmooth <7>> (a_Seed + 1,
+ std::make_shared<cIntGenZoom <9>> (a_Seed + 16,
+ std::make_shared<cIntGenBeaches <6>> (
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 1,
+ std::make_shared<cIntGenAddIslands <6>> (a_Seed + 2004, 10,
+ std::make_shared<cIntGenAddToOcean <6>> (a_Seed + 10, 500, biDeepOcean,
+ std::make_shared<cIntGenReplaceRandomly<8>> (a_Seed + 1, biPlains, biSunflowerPlains, 20,
+ std::make_shared<cIntGenMBiomes <8>> (a_Seed + 5, alteration2,
+ std::make_shared<cIntGenAlternateBiomes<8>> (a_Seed + 1, alteration,
+ std::make_shared<cIntGenBiomeEdges <8>> (a_Seed + 3,
+ std::make_shared<cIntGenZoom <10>>(a_Seed + 2,
+ std::make_shared<cIntGenZoom <7>> (a_Seed + 4,
+ std::make_shared<cIntGenReplaceRandomly<5>> (a_Seed + 99, biIcePlains, biIcePlainsSpikes, 50,
+ std::make_shared<cIntGenZoom <5>> (a_Seed + 8,
+ std::make_shared<cIntGenAddToOcean <4>> (a_Seed + 10, 300, biDeepOcean,
+ std::make_shared<cIntGenAddToOcean <6>> (a_Seed + 9, 8, biMushroomIsland,
+ std::make_shared<cIntGenBiomes <8>> (a_Seed + 3000,
+ std::make_shared<cIntGenAddIslands <8>> (a_Seed + 2000, 200,
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 5,
+ std::make_shared<cIntGenRareBiomeGroups<6>> (a_Seed + 5, 50,
+ std::make_shared<cIntGenBiomeGroupEdges<6>> (
+ std::make_shared<cIntGenAddIslands <8>> (a_Seed + 2000, 200,
+ std::make_shared<cIntGenZoom <8>> (a_Seed + 7,
+ std::make_shared<cIntGenSetRandomly <6>> (a_Seed + 8, 50, bgOcean,
+ std::make_shared<cIntGenReplaceRandomly<6>> (a_Seed + 101, bgIce, bgTemperate, 150,
+ std::make_shared<cIntGenAddIslands <6>> (a_Seed + 2000, 200,
+ std::make_shared<cIntGenSetRandomly <6>> (a_Seed + 9, 50, bgOcean,
+ std::make_shared<cIntGenZoom <6>> (a_Seed + 10,
+ std::make_shared<cIntGenLandOcean <5>> (a_Seed + 100, 30
+ )))))))))))))))))))))))))))))));
+
+ m_Gen =
+ std::make_shared<cIntGenSmooth <16>>(a_Seed,
+ std::make_shared<cIntGenZoom <18>>(a_Seed,
+ std::make_shared<cIntGenSmooth <11>>(a_Seed,
+ std::make_shared<cIntGenZoom <13>>(a_Seed,
+ std::make_shared<cIntGenMixRivers<8>> (
+ FinalBiomes, FinalRivers
+ )))));
+ }
+
+ virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override
+ {
+ cIntGen<16, 16>::Values vals;
+ m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, vals);
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ cChunkDef::SetBiome(a_Biomes, x, z, (EMCSBiome)vals[x + cChunkDef::Width * z]);
+ }
+ }
+ }
+
+protected:
+ std::shared_ptr<cIntGen<16, 16>> m_Gen;
+};
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cBioGenGrown:
+
+class cBioGenProtGrown:
+ public cBiomeGen
+{
+public:
+ cBioGenProtGrown(int a_Seed)
+ {
+ auto FinalRivers =
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 1,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 2,
+ std::make_shared<cProtIntGenRiver >(a_Seed + 3,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 4,
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 5,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 8,
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 5,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 9,
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 5,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 10,
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 5,
+ std::make_shared<cProtIntGenSmooth>(a_Seed + 6,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 11,
+ std::make_shared<cProtIntGenChoice>(a_Seed + 12, 2
+ ))))))))))))));
+
+ auto alteration =
+ std::make_shared<cProtIntGenZoom >(a_Seed,
+ std::make_shared<cProtIntGenLandOcean>(a_Seed, 20
+ ));
+
+ auto alteration2 =
+ std::make_shared<cProtIntGenZoom >(a_Seed + 1,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 2,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 1,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 2,
+ std::make_shared<cProtIntGenLandOcean>(a_Seed + 1, 10
+ )))));
+
+ auto FinalBiomes =
+ std::make_shared<cProtIntGenSmooth >(a_Seed + 1,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 15,
+ std::make_shared<cProtIntGenSmooth >(a_Seed + 1,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 16,
+ std::make_shared<cProtIntGenBeaches >(
+ std::make_shared<cProtIntGenZoom >(a_Seed + 1,
+ std::make_shared<cProtIntGenAddIslands >(a_Seed + 2004, 10,
+ std::make_shared<cProtIntGenAddToOcean >(a_Seed + 10, 500, biDeepOcean,
+ std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 1, biPlains, biSunflowerPlains, 20,
+ std::make_shared<cProtIntGenMBiomes >(a_Seed + 5, alteration2,
+ std::make_shared<cProtIntGenAlternateBiomes>(a_Seed + 1, alteration,
+ std::make_shared<cProtIntGenBiomeEdges >(a_Seed + 3,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 2,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 4,
+ std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 99, biIcePlains, biIcePlainsSpikes, 50,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 8,
+ std::make_shared<cProtIntGenAddToOcean >(a_Seed + 10, 300, biDeepOcean,
+ std::make_shared<cProtIntGenAddToOcean >(a_Seed + 9, 8, biMushroomIsland,
+ std::make_shared<cProtIntGenBiomes >(a_Seed + 3000,
+ std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 5,
+ std::make_shared<cProtIntGenRareBiomeGroups>(a_Seed + 5, 50,
+ std::make_shared<cProtIntGenBiomeGroupEdges>(
+ std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 7,
+ std::make_shared<cProtIntGenSetRandomly >(a_Seed + 8, 50, bgOcean,
+ std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 101, bgIce, bgTemperate, 150,
+ std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200,
+ std::make_shared<cProtIntGenSetRandomly >(a_Seed + 9, 50, bgOcean,
+ std::make_shared<cProtIntGenZoom >(a_Seed + 10,
+ std::make_shared<cProtIntGenLandOcean >(a_Seed + 100, 30
+ )))))))))))))))))))))))))))))));
+
+ m_Gen =
+ std::make_shared<cProtIntGenSmooth >(a_Seed,
+ std::make_shared<cProtIntGenZoom >(a_Seed,
+ std::make_shared<cProtIntGenSmooth >(a_Seed,
+ std::make_shared<cProtIntGenZoom >(a_Seed,
+ std::make_shared<cProtIntGenMixRivers>(
+ FinalBiomes, FinalRivers
+ )))));
+ }
+
+ virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override
+ {
+ int vals[16 * 16];
+ m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, 16, 16, vals);
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ cChunkDef::SetBiome(a_Biomes, x, z, (EMCSBiome)vals[x + cChunkDef::Width * z]);
+ }
+ }
+ }
+
+protected:
+ std::shared_ptr<cProtIntGen> m_Gen;
+};
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
// cBiomeGen:
cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & a_CacheOffByDefault)
@@ -952,6 +1164,14 @@ cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool &
{
res = new cBioGenTwoLevel(a_Seed);
}
+ else if (NoCaseCompare(BiomeGenName, "grown") == 0)
+ {
+ res = new cBioGenGrown(a_Seed);
+ }
+ else if (NoCaseCompare(BiomeGenName, "grownprot") == 0)
+ {
+ res = new cBioGenProtGrown(a_Seed);
+ }
else
{
if (NoCaseCompare(BiomeGenName, "multistepmap") != 0)
@@ -981,3 +1201,51 @@ cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool &
+
+////////////////////////////////////////////////////////////////////////////////
+// Performance tests:
+
+// Change to 1 to enable the perf test:
+#if 0
+
+class cBioGenPerfTest
+{
+public:
+ cBioGenPerfTest()
+ {
+ std::cout << "BioGen performance tests commencing, please wait..." << std::endl;
+ TestGen("MultiStepMap", std::make_unique<cBioGenMultiStepMap>(1).get());
+ TestGen("Grown", std::make_unique<cBioGenGrown>(1).get());
+ TestGen("GrownProt", std::make_unique<cBioGenProtGrown>(1).get());
+ std::cout << "BioGen performance tests complete." << std::endl;
+ }
+
+protected:
+ void TestGen(const AString && a_GenName, cBiomeGen * a_BioGen)
+ {
+ // Initialize the default settings for the generator:
+ cIniFile iniFile;
+ a_BioGen->InitializeBiomeGen(iniFile);
+
+ // Generate the biomes:
+ auto start = std::chrono::system_clock::now();
+ for (int z = 0; z < 100; z++)
+ {
+ for (int x = 0; x < 100; x++)
+ {
+ cChunkDef::BiomeMap biomes;
+ a_BioGen->GenBiomes(x, z, biomes);
+ } // for x
+ } // for z
+ auto dur = std::chrono::system_clock::now() - start;
+ double milliseconds = static_cast<double>((std::chrono::duration_cast<std::chrono::milliseconds>(dur)).count());
+
+ std::cout << a_GenName << ": " << 1000.0 * 100.0 * 100.0 / milliseconds << " chunks per second" << std::endl;
+ }
+} g_BioGenPerfTest;
+
+#endif
+
+
+
+
diff --git a/src/Generating/CMakeLists.txt b/src/Generating/CMakeLists.txt
index cd3d5a9f3..1a26bd0d5 100644
--- a/src/Generating/CMakeLists.txt
+++ b/src/Generating/CMakeLists.txt
@@ -46,6 +46,7 @@ SET (HDRS
FinishGen.h
GridStructGen.h
HeiGen.h
+ IntGen.h
MineShafts.h
NetherFortGen.h
Noise3DGenerator.h
@@ -53,6 +54,7 @@ SET (HDRS
PieceGenerator.h
Prefab.h
PrefabPiecePool.h
+ ProtIntGen.h
RainbowRoadsGen.h
Ravines.h
RoughRavines.h
diff --git a/src/Generating/DistortedHeightmap.cpp b/src/Generating/DistortedHeightmap.cpp
index aac1d2bf3..d5bc6ab55 100644
--- a/src/Generating/DistortedHeightmap.cpp
+++ b/src/Generating/DistortedHeightmap.cpp
@@ -227,15 +227,15 @@ const cDistortedHeightmap::sGenParam cDistortedHeightmap::m_GenParam[256] =
/* biMesaPlateau */ { 2.0f, 2.0f}, // 39
// biomes 40 .. 128 are unused, 89 empty placeholders here:
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 40 .. 49
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 50 .. 59
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 60 .. 69
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 70 .. 79
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 80 .. 89
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 90 .. 99
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 100 .. 109
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 110 .. 119
- {}, {}, {}, {}, {}, {}, {}, {}, {}, // 120 .. 128
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 40 .. 49
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 50 .. 59
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 60 .. 69
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 70 .. 79
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 80 .. 89
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 90 .. 99
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 100 .. 109
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 110 .. 119
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 120 .. 128
// Release 1.7 /* biome variants:
/* biSunflowerPlains */ { 1.0f, 1.0f}, // 129
@@ -246,22 +246,22 @@ const cDistortedHeightmap::sGenParam cDistortedHeightmap::m_GenParam[256] =
/* biSwamplandM */ { 0.0f, 0.0f}, // 134
// Biomes 135 .. 139 unused, 5 empty placeholders here:
- {}, {}, {}, {}, {}, // 135 .. 139
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 135 .. 139
/* biIcePlainsSpikes */ { 1.0f, 1.0f}, // 140
// Biomes 141 .. 148 unused, 8 empty placeholders here:
- {}, {}, {}, {}, {}, {}, {}, {}, // 141 .. 148
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 141 .. 148
/* biJungleM */ { 4.0f, 4.0f}, // 149
- {}, // 150
+ {0.0f, 0.0f}, // 150
/* biJungleEdgeM */ { 3.0f, 3.0f}, // 151
- {}, {}, {}, // 152 .. 154
+ {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 152 .. 154
/* biBirchForestM */ { 3.0f, 3.0f}, // 155
/* biBirchForestHillsM */ { 5.0f, 5.0f}, // 156
/* biRoofedForestM */ { 2.0f, 2.0f}, // 157
/* biColdTaigaM */ { 1.0f, 1.0f}, // 158
- {}, // 159
+ {0.0f, 0.0f}, // 159
/* biMegaSpruceTaiga */ { 3.0f, 3.0f}, // 160
/* biMegaSpruceTaigaHills */ { 3.0f, 3.0f}, // 161
/* biExtremeHillsPlusM */ {32.0f, 32.0f}, // 162
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index 0564789dc..18f8ee2bc 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -414,6 +414,11 @@ void cFinishGenSnow::GenFinish(cChunkDesc & a_ChunkDesc)
}
break;
}
+ default:
+ {
+ // There's no snow in the other biomes.
+ break;
+ }
}
}
} // for z
@@ -454,6 +459,11 @@ void cFinishGenIce::GenFinish(cChunkDesc & a_ChunkDesc)
}
break;
}
+ default:
+ {
+ // No icy water in other biomes.
+ break;
+ }
}
}
} // for z
diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp
index a0b8770f5..28a5698e4 100644
--- a/src/Generating/HeiGen.cpp
+++ b/src/Generating/HeiGen.cpp
@@ -17,81 +17,6 @@
////////////////////////////////////////////////////////////////////////////////
-// cTerrainHeightGen:
-
-cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault)
-{
- AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", "");
- if (HeightGenName.empty())
- {
- LOGWARN("[Generator] HeightGen value not set in world.ini, using \"Biomal\".");
- HeightGenName = "Biomal";
- }
-
- a_CacheOffByDefault = false;
- cTerrainHeightGen * res = nullptr;
- if (NoCaseCompare(HeightGenName, "flat") == 0)
- {
- res = new cHeiGenFlat;
- a_CacheOffByDefault = true; // We're generating faster than a cache would retrieve data
- }
- else if (NoCaseCompare(HeightGenName, "classic") == 0)
- {
- res = new cHeiGenClassic(a_Seed);
- }
- else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0)
- {
- res = new cDistortedHeightmap(a_Seed, a_BiomeGen);
- }
- else if (NoCaseCompare(HeightGenName, "End") == 0)
- {
- res = new cEndGen(a_Seed);
- }
- else if (NoCaseCompare(HeightGenName, "Mountains") == 0)
- {
- res = new cHeiGenMountains(a_Seed);
- }
- else if (NoCaseCompare(HeightGenName, "Noise3D") == 0)
- {
- res = new cNoise3DComposable(a_Seed);
- }
- else if (NoCaseCompare(HeightGenName, "biomal") == 0)
- {
- res = new cHeiGenBiomal(a_Seed, a_BiomeGen);
-
- /*
- // Performance-testing:
- LOGINFO("Measuring performance of cHeiGenBiomal...");
- clock_t BeginTick = clock();
- for (int x = 0; x < 500; x++)
- {
- cChunkDef::HeightMap Heights;
- res->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);
- //*/
- }
- else
- {
- // No match found, force-set the default and retry
- LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str());
- a_IniFile.DeleteValue("Generator", "HeightGen");
- a_IniFile.SetValue("Generator", "HeightGen", "Biomal");
- return CreateHeightGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault);
- }
-
- // Read the settings:
- res->InitializeHeightGen(a_IniFile);
-
- return cTerrainHeightGenPtr(res);
-}
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////
// cHeiGenFlat:
void cHeiGenFlat::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
@@ -430,15 +355,15 @@ const cHeiGenBiomal::sGenParam cHeiGenBiomal::m_GenParam[256] =
/* biMesaPlateau */ { 0.1f, 1.0f, 0.05f, 1.5f, 0.01f, 4.0f, 80},
// biomes 40 .. 128 are unused, 89 empty placeholders here:
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 40 .. 49
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 50 .. 59
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 60 .. 69
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 70 .. 79
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 80 .. 89
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 90 .. 99
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 100 .. 109
- {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 110 .. 119
- {}, {}, {}, {}, {}, {}, {}, {}, {}, // 120 .. 128
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 40 .. 49
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 50 .. 59
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 60 .. 69
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 70 .. 79
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 80 .. 89
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 90 .. 99
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 100 .. 109
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 110 .. 119
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 120 .. 128
/* biSunflowerPlains */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 129
/* biDesertM */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 130
@@ -448,22 +373,22 @@ const cHeiGenBiomal::sGenParam cHeiGenBiomal::m_GenParam[256] =
/* biSwamplandM */ { 1.0f, 3.0f, 1.10f, 7.0f, 0.01f, 0.01f, 60}, // 134
// Biomes 135 .. 139 unused, 5 empty placeholders here:
- {}, {}, {}, {}, {}, // 135 .. 139
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 135 .. 139
/* biIcePlainsSpikes */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 140
// Biomes 141 .. 148 unused, 8 empty placeholders here:
- {}, {}, {}, {}, {}, {}, {}, {}, // 141 .. 148
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 141 .. 148
/* biJungleM */ { 0.1f, 3.0f, 0.05f, 6.0f, 0.01f, 6.0f, 70}, // 149
- {}, // 150
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 150
/* biJungleEdgeM */ { 0.1f, 3.0f, 0.05f, 6.0f, 0.01f, 6.0f, 70}, // 151
- {}, {}, {}, // 152 .. 154
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 152 .. 154
/* biBirchForestM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 155
/* biBirchForestHillsM */ { 0.2f, 2.0f, 0.05f, 10.0f, 0.01f, 8.0f, 80}, // 156
/* biRoofedForestM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 157
/* biColdTaigaM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 158
- {}, // 159
+ {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 159
/* biMegaSpruceTaiga */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 160
/* biMegaSpruceTaigaHills */ { 0.2f, 2.0f, 0.05f, 10.0f, 0.01f, 8.0f, 80}, // 161
/* biExtremeHillsPlusM */ { 0.2f, 4.0f, 0.05f, 20.0f, 0.01f, 16.0f, 120}, // 162
@@ -611,3 +536,283 @@ NOISE_DATATYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX,
+////////////////////////////////////////////////////////////////////////////////
+// cHeiGenMinMax:
+
+class cHeiGenMinMax:
+ public cTerrainHeightGen
+{
+ typedef cTerrainHeightGen super;
+
+ /** Size of the averaging process, in columns (for each direction). Must be less than 16. */
+ static const int AVERAGING_SIZE = 4;
+
+public:
+ cHeiGenMinMax(int a_Seed, cBiomeGenPtr a_BiomeGen):
+ m_Noise(a_Seed),
+ m_BiomeGen(a_BiomeGen),
+ m_TotalWeight(0)
+ {
+ // Initialize the weights:
+ for (int z = 0; z <= AVERAGING_SIZE * 2; z++)
+ {
+ for (int x = 0; x <= AVERAGING_SIZE * 2; x++)
+ {
+ m_Weights[z][x] = 1 + 2 * AVERAGING_SIZE - std::abs(x - AVERAGING_SIZE) - std::abs(z - AVERAGING_SIZE);
+ m_TotalWeight += m_Weights[z][x];
+ }
+ }
+
+ // Initialize the Perlin generator:
+ m_Perlin.AddOctave(0.04f, 0.2f);
+ m_Perlin.AddOctave(0.02f, 0.1f);
+ m_Perlin.AddOctave(0.01f, 0.05f);
+ }
+
+
+ virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
+ {
+ // Generate the biomes for the 3*3 neighbors:
+ cChunkDef::BiomeMap neighborBiomes[3][3];
+ for (int z = 0; z < 3; z++) for (int x = 0; x < 3; x++)
+ {
+ m_BiomeGen->GenBiomes(a_ChunkX + x - 1, a_ChunkZ + z - 1, neighborBiomes[z][x]);
+ }
+
+ // Get the min and max heights based on the biomes:
+ double minHeight[cChunkDef::Width * cChunkDef::Width];
+ double maxHeight[cChunkDef::Width * cChunkDef::Width];
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ // For each column, sum the min and max values of the neighborhood around it:
+ double min = 0, max = 0;
+ for (int relz = 0; relz <= AVERAGING_SIZE * 2; relz++)
+ {
+ int bz = z + 16 + relz - AVERAGING_SIZE; // Biome Z coord relative to the neighborBiomes start
+ int cz = bz / 16; // Chunk Z coord relative to the neighborBiomes start
+ bz = bz % 16; // Biome Z coord relative to cz in neighborBiomes
+ for (int relx = 0; relx <= AVERAGING_SIZE * 2; relx++)
+ {
+ int bx = x + 16 + relx - AVERAGING_SIZE; // Biome X coord relative to the neighborBiomes start
+ int cx = bx / 16; // Chunk X coord relative to the neighborBiomes start
+ bx = bx % 16; // Biome X coord relative to cz in neighborBiomes
+
+ // Get the biome's min and max heights:
+ double bmin, bmax;
+ getBiomeMinMax(cChunkDef::GetBiome(neighborBiomes[cz][cx], bx, bz), bmin, bmax);
+
+ // Add them to the total, with the weight depending on their relative position to the column:
+ min += bmin * m_Weights[relz][relx];
+ max += bmax * m_Weights[relz][relx];
+ } // for relx
+ } // for relz
+ minHeight[x + z * cChunkDef::Width] = min / m_TotalWeight;
+ maxHeight[x + z * cChunkDef::Width] = max / m_TotalWeight;
+ } // for x
+ } // for z
+
+ // Generate the base noise:
+ NOISE_DATATYPE noise[cChunkDef::Width * cChunkDef::Width];
+ NOISE_DATATYPE workspace[cChunkDef::Width * cChunkDef::Width];
+ NOISE_DATATYPE startX = static_cast<float>(a_ChunkX * cChunkDef::Width);
+ NOISE_DATATYPE endX = startX + cChunkDef::Width - 1;
+ NOISE_DATATYPE startZ = static_cast<float>(a_ChunkZ * cChunkDef::Width);
+ NOISE_DATATYPE endZ = startZ + cChunkDef::Width - 1;
+ m_Perlin.Generate2D(noise, 16, 16, startX, endX, startZ, endZ, workspace);
+
+ // Make the height by ranging the noise between min and max:
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ double min = minHeight[x + z * cChunkDef::Width];
+ double max = maxHeight[x + z * cChunkDef::Width];
+ double h = (max + min) / 2 + noise[x + z * cChunkDef::Width] * (max - min);
+ cChunkDef::SetHeight(a_HeightMap, x, z, static_cast<HEIGHTTYPE>(h));
+ }
+ }
+ }
+
+
+ virtual void InitializeHeightGen(cIniFile & a_IniFile)
+ {
+ // No settings available
+ }
+
+protected:
+ cNoise m_Noise;
+
+ cPerlinNoise m_Perlin;
+
+ /** The biome generator to query for the underlying biomes. */
+ cBiomeGenPtr m_BiomeGen;
+
+ /** Weights applied to each of the min / max values in the neighborhood of the currently evaluated column. */
+ double m_Weights[AVERAGING_SIZE * 2 + 1][AVERAGING_SIZE * 2 + 1];
+
+ /** Sum of all the m_Weights items. */
+ double m_TotalWeight;
+
+
+ /** Returns the minimum and maximum heights for the given biome. */
+ void getBiomeMinMax(EMCSBiome a_Biome, double & a_Min, double & a_Max)
+ {
+ switch (a_Biome)
+ {
+ case biBeach: a_Min = 61; a_Max = 64; break;
+ case biBirchForest: a_Min = 63; a_Max = 75; break;
+ case biBirchForestHills: a_Min = 63; a_Max = 90; break;
+ case biBirchForestHillsM: a_Min = 63; a_Max = 90; break;
+ case biBirchForestM: a_Min = 63; a_Max = 75; break;
+ case biColdBeach: a_Min = 61; a_Max = 64; break;
+ case biColdTaiga: a_Min = 63; a_Max = 75; break;
+ case biColdTaigaHills: a_Min = 63; a_Max = 90; break;
+ case biColdTaigaM: a_Min = 63; a_Max = 75; break;
+ case biDeepOcean: a_Min = 30; a_Max = 60; break;
+ case biDesert: a_Min = 63; a_Max = 70; break;
+ case biDesertHills: a_Min = 63; a_Max = 85; break;
+ case biDesertM: a_Min = 63; a_Max = 70; break;
+ case biEnd: a_Min = 10; a_Max = 100; break;
+ case biExtremeHills: a_Min = 60; a_Max = 120; break;
+ case biExtremeHillsEdge: a_Min = 63; a_Max = 100; break;
+ case biExtremeHillsM: a_Min = 60; a_Max = 120; break;
+ case biExtremeHillsPlus: a_Min = 60; a_Max = 140; break;
+ case biExtremeHillsPlusM: a_Min = 60; a_Max = 140; break;
+ case biFlowerForest: a_Min = 63; a_Max = 75; break;
+ case biForest: a_Min = 63; a_Max = 75; break;
+ case biForestHills: a_Min = 63; a_Max = 90; break;
+ case biFrozenOcean: a_Min = 45; a_Max = 64; break;
+ case biFrozenRiver: a_Min = 60; a_Max = 62; break;
+ case biIceMountains: a_Min = 63; a_Max = 90; break;
+ case biIcePlains: a_Min = 63; a_Max = 70; break;
+ case biIcePlainsSpikes: a_Min = 60; a_Max = 70; break;
+ case biJungle: a_Min = 60; a_Max = 80; break;
+ case biJungleEdge: a_Min = 62; a_Max = 75; break;
+ case biJungleEdgeM: a_Min = 62; a_Max = 75; break;
+ case biJungleHills: a_Min = 60; a_Max = 90; break;
+ case biJungleM: a_Min = 60; a_Max = 75; break;
+ case biMegaSpruceTaiga: a_Min = 63; a_Max = 75; break;
+ case biMegaSpruceTaigaHills: a_Min = 63; a_Max = 90; break;
+ case biMegaTaiga: a_Min = 63; a_Max = 75; break;
+ case biMegaTaigaHills: a_Min = 63; a_Max = 90; break;
+ case biMesa: a_Min = 63; a_Max = 90; break;
+ case biMesaBryce: a_Min = 60; a_Max = 67; break;
+ case biMesaPlateau: a_Min = 75; a_Max = 85; break;
+ case biMesaPlateauF: a_Min = 80; a_Max = 90; break;
+ case biMesaPlateauFM: a_Min = 80; a_Max = 90; break;
+ case biMesaPlateauM: a_Min = 75; a_Max = 85; break;
+ case biMushroomIsland: a_Min = 63; a_Max = 90; break;
+ case biMushroomShore: a_Min = 60; a_Max = 75; break;
+ case biNether: a_Min = 10; a_Max = 100; break;
+ case biOcean: a_Min = 45; a_Max = 64; break;
+ case biPlains: a_Min = 63; a_Max = 70; break;
+ case biRiver: a_Min = 60; a_Max = 62; break;
+ case biRoofedForest: a_Min = 63; a_Max = 75; break;
+ case biRoofedForestM: a_Min = 63; a_Max = 75; break;
+ case biSavanna: a_Min = 63; a_Max = 75; break;
+ case biSavannaM: a_Min = 63; a_Max = 80; break;
+ case biSavannaPlateau: a_Min = 75; a_Max = 100; break;
+ case biSavannaPlateauM: a_Min = 80; a_Max = 160; break;
+ case biStoneBeach: a_Min = 60; a_Max = 64; break;
+ case biSunflowerPlains: a_Min = 63; a_Max = 70; break;
+ case biSwampland: a_Min = 60; a_Max = 67; break;
+ case biSwamplandM: a_Min = 61; a_Max = 67; break;
+ case biTaiga: a_Min = 63; a_Max = 75; break;
+ case biTaigaHills: a_Min = 63; a_Max = 90; break;
+ case biTaigaM: a_Min = 63; a_Max = 80; break;
+ default:
+ {
+ ASSERT(!"Unknown biome");
+ a_Min = 10;
+ a_Max = 10;
+ break;
+ }
+ }
+ }
+};
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cTerrainHeightGen:
+
+cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault)
+{
+ AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", "");
+ if (HeightGenName.empty())
+ {
+ LOGWARN("[Generator] HeightGen value not set in world.ini, using \"Biomal\".");
+ HeightGenName = "Biomal";
+ }
+
+ a_CacheOffByDefault = false;
+ cTerrainHeightGen * res = nullptr;
+ if (NoCaseCompare(HeightGenName, "flat") == 0)
+ {
+ res = new cHeiGenFlat;
+ a_CacheOffByDefault = true; // We're generating faster than a cache would retrieve data
+ }
+ else if (NoCaseCompare(HeightGenName, "classic") == 0)
+ {
+ res = new cHeiGenClassic(a_Seed);
+ }
+ else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0)
+ {
+ res = new cDistortedHeightmap(a_Seed, a_BiomeGen);
+ }
+ else if (NoCaseCompare(HeightGenName, "End") == 0)
+ {
+ res = new cEndGen(a_Seed);
+ }
+ else if (NoCaseCompare(HeightGenName, "MinMax") == 0)
+ {
+ res = new cHeiGenMinMax(a_Seed, a_BiomeGen);
+ }
+ else if (NoCaseCompare(HeightGenName, "Mountains") == 0)
+ {
+ res = new cHeiGenMountains(a_Seed);
+ }
+ else if (NoCaseCompare(HeightGenName, "Noise3D") == 0)
+ {
+ res = new cNoise3DComposable(a_Seed);
+ }
+ else if (NoCaseCompare(HeightGenName, "biomal") == 0)
+ {
+ res = new cHeiGenBiomal(a_Seed, a_BiomeGen);
+
+ /*
+ // Performance-testing:
+ LOGINFO("Measuring performance of cHeiGenBiomal...");
+ clock_t BeginTick = clock();
+ for (int x = 0; x < 500; x++)
+ {
+ cChunkDef::HeightMap Heights;
+ res->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);
+ //*/
+ }
+ else
+ {
+ // No match found, force-set the default and retry
+ LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str());
+ a_IniFile.DeleteValue("Generator", "HeightGen");
+ a_IniFile.SetValue("Generator", "HeightGen", "Biomal");
+ return CreateHeightGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault);
+ }
+
+ // Read the settings:
+ res->InitializeHeightGen(a_IniFile);
+
+ return cTerrainHeightGenPtr(res);
+}
+
+
+
+
+
diff --git a/src/Generating/IntGen.h b/src/Generating/IntGen.h
new file mode 100644
index 000000000..b25e378c0
--- /dev/null
+++ b/src/Generating/IntGen.h
@@ -0,0 +1,1406 @@
+
+// IntGen.h
+
+// Declares the cIntGen class and descendants for generating and filtering various 2D arrays of ints
+
+/*
+The integers generated may be interpreted in several ways:
+- land/see designators
+ - 0 = ocean
+ - >0 = land
+- biome group
+ - 0 = ocean
+ - 1 = desert biomes
+ - 2 = temperate biomes
+ - 3 = mountains (hills and forests)
+ - 4 = ice biomes
+- biome group with "bgfRare" flag (for generating rare biomes for the group)
+- biome IDs
+The interpretation depends on the generator used and on the position in the chain.
+
+The generators can be chained together - one produces data that another one consumes.
+Some of such chain connections require changing the data dimensions between the two, which is handled automatically
+by using templates.
+*/
+
+
+
+
+
+#pragma once
+
+#include "../BiomeDef.h"
+
+
+
+
+
+/** Constants representing the biome group designators. */
+const int bgOcean = 0;
+const int bgDesert = 1;
+const int bgTemperate = 2;
+const int bgMountains = 3;
+const int bgIce = 4;
+const int bgLandOceanMax = 4; // Maximum biome group value generated in the landOcean generator
+const int bgfRare = 1024; // Flag added to values to generate rare biomes for the group
+
+
+
+
+
+/** Interface that all the generator classes provide. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGen
+{
+public:
+ /** Force a virtual destructor in all descendants.
+ Descendants contain virtual functions and are referred to via pointer-to-base, so they need a virtual destructor. */
+ virtual ~cIntGen() {}
+
+ /** Holds the array of values generated by this class (descendant). */
+ typedef int Values[SizeX * SizeZ];
+
+ /** Generates the array of templated size into a_Values, based on given min coords. */
+ virtual void GetInts(int a_MinX, int a_MinZ, Values & a_Values) = 0;
+};
+
+
+
+
+
+/** Provides additional cNoise member and its helper functions. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenWithNoise :
+ public cIntGen<SizeX, SizeZ>
+{
+ typedef cIntGen<SizeX, SizeZ> super;
+
+public:
+ cIntGenWithNoise(int a_Seed) :
+ m_Noise(a_Seed)
+ {
+ }
+
+protected:
+ cNoise m_Noise;
+
+ /** Chooses one of a_Val1 or a_Val2, based on m_Noise and the coordinates for querying the noise. */
+ int ChooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2)
+ {
+ int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7;
+ return ((rnd & 1) == 0) ? a_Val1 : a_Val2;
+ }
+
+ /** Chooses one of a_ValN, based on m_Noise and the coordinates for querying the noise. */
+ int ChooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2, int a_Val3, int a_Val4)
+ {
+ int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7;
+ switch (rnd % 4)
+ {
+ case 0: return a_Val1;
+ case 1: return a_Val2;
+ case 2: return a_Val3;
+ default: return a_Val4;
+ }
+ }
+};
+
+
+
+
+
+
+/** Generates a 2D array of random integers in the specified range [0 .. Range). */
+template <int Range, int SizeX, int SizeZ = SizeX>
+class cIntGenChoice :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ cIntGenChoice(int a_Seed) :
+ super(a_Seed)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int BaseZ = a_MinZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ a_Values[x + SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % Range;
+ }
+ } // for z
+ }
+};
+
+
+
+
+
+
+/** Decides between the ocean and landmass biomes.
+Has a threshold (in percent) of how much land, the larger the threshold, the more land.
+Generates 0 for ocean, biome group ID for landmass. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenLandOcean :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ cIntGenLandOcean(int a_Seed, int a_Threshold) :
+ super(a_Seed),
+ m_Threshold(a_Threshold)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int BaseZ = a_MinZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7);
+ a_Values[x + SizeX * z] = ((rnd % 100) < m_Threshold) ? ((rnd / 101) % bgLandOceanMax + 1) : 0;
+ }
+ }
+
+ // If the centerpoint of the world is within the area, set it to bgTemperate, always:
+ if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + SizeX > 0) && (a_MinZ + SizeZ > 0))
+ {
+ a_Values[-a_MinX - a_MinZ * SizeX] = bgTemperate;
+ }
+ }
+
+protected:
+ int m_Threshold;
+};
+
+
+
+
+
+/** Zooms the underlying value array to twice the size. Uses random-neighbor for the pixels in-between.
+This means that the zoome out image is randomly distorted. Applying zoom several times provides all
+the distortion that the generators need. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenZoom :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+protected:
+ static const int m_LowerSizeX = (SizeX / 2) + 2;
+ static const int m_LowerSizeZ = (SizeZ / 2) + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying;
+
+
+ cIntGenZoom(int a_Seed, Underlying a_UnderlyingGen) :
+ super(a_Seed),
+ m_UnderlyingGen(a_UnderlyingGen)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data with half the resolution:
+ int lowerMinX = a_MinX >> 1;
+ int lowerMinZ = a_MinZ >> 1;
+ int lowerData[m_LowerSizeX * m_LowerSizeZ];
+ m_UnderlyingGen->GetInts(lowerMinX, lowerMinZ, lowerData);
+ const int lowStepX = (m_LowerSizeX - 1) * 2;
+ const int lowStepZ = (m_LowerSizeZ - 1) * 2;
+ int cache[lowStepX * lowStepZ];
+
+ // Discreet-interpolate the values into twice the size:
+ for (int z = 0; z < m_LowerSizeZ - 1; ++z)
+ {
+ int idx = (z * 2) * lowStepX;
+ int PrevZ0 = lowerData[z * m_LowerSizeX];
+ int PrevZ1 = lowerData[(z + 1) * m_LowerSizeX];
+
+ for (int x = 0; x < m_LowerSizeX - 1; ++x)
+ {
+ int ValX1Z0 = lowerData[x + 1 + z * m_LowerSizeX];
+ int ValX1Z1 = lowerData[x + 1 + (z + 1) * m_LowerSizeX];
+ int RndX = (x + lowerMinX) * 2;
+ int RndZ = (z + lowerMinZ) * 2;
+ cache[idx] = PrevZ0;
+ cache[idx + lowStepX] = super::ChooseRandomOne(RndX, RndZ + 1, PrevZ0, PrevZ1);
+ cache[idx + 1] = super::ChooseRandomOne(RndX, RndZ - 1, PrevZ0, ValX1Z0);
+ cache[idx + 1 + lowStepX] = super::ChooseRandomOne(RndX, RndZ, PrevZ0, ValX1Z0, PrevZ1, ValX1Z1);
+ idx += 2;
+ PrevZ0 = ValX1Z0;
+ PrevZ1 = ValX1Z1;
+ }
+ }
+
+ // Copy from Cache into a_Values; take into account the even/odd offsets in a_Min:
+ for (int z = 0; z < SizeZ; ++z)
+ {
+ memcpy(a_Values + z * SizeX, cache + (z + (a_MinZ & 1)) * lowStepX + (a_MinX & 1), SizeX * sizeof(int));
+ }
+ }
+
+protected:
+ Underlying m_UnderlyingGen;
+};
+
+
+
+
+
+/** Smoothes out some artifacts generated by the zooming - mostly single-pixel values.
+Compares each pixel to its neighbors and if the neighbors are equal, changes the pixel to their value. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenSmooth :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+ static const int m_LowerSizeX = SizeX + 2;
+ static const int m_LowerSizeZ = SizeZ + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying;
+
+
+ cIntGenSmooth(int a_Seed, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying values:
+ int lowerData[m_LowerSizeX * m_LowerSizeZ];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerData);
+
+ // Smooth - for each square check if the surroundings are the same, if so, expand them diagonally.
+ // Also get rid of single-pixel irregularities (A-B-A):
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int NoiseZ = a_MinZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int val = lowerData[x + 1 + (z + 1) * m_LowerSizeX];
+ int above = lowerData[x + 1 + z * m_LowerSizeX];
+ int below = lowerData[x + 1 + (z + 2) * m_LowerSizeX];
+ int left = lowerData[x + (z + 1) * m_LowerSizeX];
+ int right = lowerData[x + 2 + (z + 1) * m_LowerSizeX];
+
+ if ((left == right) && (above == below))
+ {
+ if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 2) == 0)
+ {
+ val = left;
+ }
+ else
+ {
+ val = above;
+ }
+ }
+ else
+ {
+ if (left == right)
+ {
+ val = left;
+ }
+
+ if (above == below)
+ {
+ val = above;
+ }
+ }
+
+ a_Values[x + z * SizeX] = val;
+ }
+ }
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Converts land biomes at the edge of an ocean into the respective beach biome. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenBeaches :
+ public cIntGen<SizeX, SizeZ>
+{
+ typedef cIntGen<SizeX, SizeZ> super;
+ static const int m_UnderlyingSizeX = SizeX + 2;
+ static const int m_UnderlyingSizeZ = SizeZ + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<m_UnderlyingSizeX, m_UnderlyingSizeZ>> Underlying;
+
+
+ cIntGenBeaches(Underlying a_Underlying) :
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Map for biome -> its beach:
+ static const int ToBeach[] =
+ {
+ /* biOcean */ biOcean,
+ /* biPlains */ biBeach,
+ /* biDesert */ biBeach,
+ /* biExtremeHills */ biStoneBeach,
+ /* biForest */ biBeach,
+ /* biTaiga */ biColdBeach,
+ /* biSwampland */ biSwampland,
+ /* biRiver */ biRiver,
+ /* biNether */ biNether,
+ /* biEnd */ biEnd,
+ /* biFrozenOcean */ biColdBeach,
+ /* biFrozenRiver */ biColdBeach,
+ /* biIcePlains */ biColdBeach,
+ /* biIceMountains */ biColdBeach,
+ /* biMushroomIsland */ biMushroomShore,
+ /* biMushroomShore */ biMushroomShore,
+ /* biBeach */ biBeach,
+ /* biDesertHills */ biBeach,
+ /* biForestHills */ biBeach,
+ /* biTaigaHills */ biColdBeach,
+ /* biExtremeHillsEdge */ biStoneBeach,
+ /* biJungle */ biBeach,
+ /* biJungleHills */ biBeach,
+ /* biJungleEdge */ biBeach,
+ /* biDeepOcean */ biOcean,
+ /* biStoneBeach */ biStoneBeach,
+ /* biColdBeach */ biColdBeach,
+ /* biBirchForest */ biBeach,
+ /* biBirchForestHills */ biBeach,
+ /* biRoofedForest */ biBeach,
+ /* biColdTaiga */ biColdBeach,
+ /* biColdTaigaHills */ biColdBeach,
+ /* biMegaTaiga */ biStoneBeach,
+ /* biMegaTaigaHills */ biStoneBeach,
+ /* biExtremeHillsPlus */ biStoneBeach,
+ /* biSavanna */ biBeach,
+ /* biSavannaPlateau */ biBeach,
+ /* biMesa */ biMesa,
+ /* biMesaPlateauF */ biMesa,
+ /* biMesaPlateau */ biMesa,
+ };
+
+ // Generate the underlying values:
+ int lowerValues[m_UnderlyingSizeX * m_UnderlyingSizeZ];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerValues);
+
+ // Add beaches between ocean and biomes:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int val = lowerValues[x + 1 + (z + 1) * m_UnderlyingSizeX];
+ int above = lowerValues[x + 1 + z * m_UnderlyingSizeX];
+ int below = lowerValues[x + 1 + (z + 2) * m_UnderlyingSizeX];
+ int left = lowerValues[x + (z + 1) * m_UnderlyingSizeX];
+ int right = lowerValues[x + 2 + (z + 1) * m_UnderlyingSizeX];
+ if (!IsBiomeOcean(val))
+ {
+ if (IsBiomeOcean(above) || IsBiomeOcean(below) || IsBiomeOcean(left) || IsBiomeOcean(right))
+ {
+ // First convert the value to a regular biome (drop the M flag), then modulo by our biome count:
+ val = ToBeach[(val % 128) % ARRAYCOUNT(ToBeach)];
+ }
+ }
+ a_Values[x + z * SizeX] = val;
+ }
+ }
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Generates the underlying numbers and then randomly changes some ocean group pixels into random land
+biome group pixels, based on the predefined chance. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenAddIslands :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenAddIslands(int a_Seed, int a_Chance, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ if (a_Values[x + z * SizeX] == bgOcean)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(a_MinX + x, a_MinZ + z) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[x + z * SizeX] = (rnd / 1003) % bgLandOceanMax;
+ }
+ }
+ } // for x
+ } // for z
+ }
+
+protected:
+ /** Chance, in permille, of an island being generated in ocean. */
+ int m_Chance;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** A filter that adds an edge biome group between two biome groups that need an edge between them. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenBiomeGroupEdges :
+ public cIntGen<SizeX, SizeZ>
+{
+ typedef cIntGen<SizeX, SizeZ> super;
+
+ static const int m_UnderlyingSizeX = SizeX + 2;
+ static const int m_UnderlyingSizeZ = SizeZ + 2;
+
+public:
+
+ typedef std::shared_ptr<cIntGen<m_UnderlyingSizeX, m_UnderlyingSizeZ>> Underlying;
+
+ cIntGenBiomeGroupEdges(Underlying a_Underlying) :
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values)
+ {
+ // Generate the underlying biome groups:
+ int lowerValues[m_UnderlyingSizeX * m_UnderlyingSizeZ];
+ m_Underlying->GetInts(a_MinX, a_MinZ, lowerValues);
+
+ // Change the biomes on incompatible edges into an edge biome:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int val = lowerValues[x + 1 + (z + 1) * m_UnderlyingSizeX];
+ int above = lowerValues[x + 1 + z * m_UnderlyingSizeX];
+ int below = lowerValues[x + 1 + (z + 2) * m_UnderlyingSizeX];
+ int left = lowerValues[x + (z + 1) * m_UnderlyingSizeX];
+ int right = lowerValues[x + 2 + (z + 1) * m_UnderlyingSizeX];
+ switch (val)
+ {
+ // Desert should neighbor only oceans, desert and temperates; change to temperate when another:
+ case bgDesert:
+ {
+ if (
+ !isDesertCompatible(above) ||
+ !isDesertCompatible(below) ||
+ !isDesertCompatible(left) ||
+ !isDesertCompatible(right)
+ )
+ {
+ val = bgTemperate;
+ }
+ break;
+ } // case bgDesert
+
+ // Ice should not neighbor deserts; change to temperate:
+ case bgIce:
+ {
+ if (
+ (above == bgDesert) ||
+ (below == bgDesert) ||
+ (left == bgDesert) ||
+ (right == bgDesert)
+ )
+ {
+ val = bgTemperate;
+ }
+ break;
+ } // case bgIce
+ }
+ a_Values[x + z * SizeX] = val;
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Underlying;
+
+
+ inline bool isDesertCompatible(int a_BiomeGroup)
+ {
+ switch (a_BiomeGroup)
+ {
+ case bgOcean:
+ case bgDesert:
+ case bgTemperate:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+};
+
+
+
+
+
+/** Turns biome group indices into real biomes.
+For each pixel, takes its biome group and chooses a random biome from that group; replaces the value with
+that biome. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenBiomes :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenBiomes(int a_Seed, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Define the per-biome-group biomes:
+ static const int oceanBiomes[] =
+ {
+ biOcean, // biDeepOcean,
+ };
+
+ // Same as oceanBiomes, there are no rare oceanic biomes (mushroom islands are handled separately)
+ static const int rareOceanBiomes[] =
+ {
+ biOcean,
+ };
+
+ static const int desertBiomes[] =
+ {
+ biDesert, biDesert, biDesert, biDesert, biDesert, biDesert, biSavanna, biSavanna, biPlains,
+ };
+
+ static const int rareDesertBiomes[] =
+ {
+ biMesaPlateau, biMesaPlateauF,
+ };
+
+ static const int temperateBiomes[] =
+ {
+ biForest, biForest, biRoofedForest, biExtremeHills, biPlains, biBirchForest, biSwampland,
+ };
+
+ static const int rareTemperateBiomes[] =
+ {
+ biJungle, // Jungle is not strictly temperate, but let's piggyback it here
+ };
+
+ static const int mountainBiomes[] =
+ {
+ biExtremeHills, biForest, biTaiga, biPlains,
+ };
+
+ static const int rareMountainBiomes[] =
+ {
+ biMegaTaiga,
+ };
+
+ static const int iceBiomes[] =
+ {
+ biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga,
+ };
+
+ // Same as iceBiomes, there's no rare ice biome
+ static const int rareIceBiomes[] =
+ {
+ biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga,
+ };
+
+ static const cBiomesInGroups biomesInGroups[] =
+ {
+ /* bgOcean */ { static_cast<int>(ARRAYCOUNT(oceanBiomes)), oceanBiomes},
+ /* bgDesert */ { static_cast<int>(ARRAYCOUNT(desertBiomes)), desertBiomes},
+ /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(temperateBiomes)), temperateBiomes},
+ /* bgMountains */ { static_cast<int>(ARRAYCOUNT(mountainBiomes)), mountainBiomes},
+ /* bgIce */ { static_cast<int>(ARRAYCOUNT(iceBiomes)), iceBiomes},
+ };
+
+ static const cBiomesInGroups rareBiomesInGroups[] =
+ {
+ /* bgOcean */ { static_cast<int>(ARRAYCOUNT(rareOceanBiomes)), rareOceanBiomes},
+ /* bgDesert */ { static_cast<int>(ARRAYCOUNT(rareDesertBiomes)), rareDesertBiomes},
+ /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(rareTemperateBiomes)), rareTemperateBiomes},
+ /* bgMountains */ { static_cast<int>(ARRAYCOUNT(rareMountainBiomes)), rareMountainBiomes},
+ /* bgIce */ { static_cast<int>(ARRAYCOUNT(rareIceBiomes)), rareIceBiomes},
+ };
+
+ // Generate the underlying values, representing biome groups:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+
+ // Overwrite each biome group with a random biome from that group:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int IdxZ = z * SizeX;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int val = a_Values[x + IdxZ];
+ const cBiomesInGroups & Biomes = (val > bgfRare) ?
+ rareBiomesInGroups[(val & (bgfRare - 1)) % ARRAYCOUNT(rareBiomesInGroups)] :
+ biomesInGroups[val % ARRAYCOUNT(biomesInGroups)];
+ int rnd = (super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7);
+ a_Values[x + IdxZ] = Biomes.Biomes[rnd % Biomes.Count];
+ }
+ }
+ }
+
+protected:
+
+ struct cBiomesInGroups
+ {
+ const int Count;
+ const int * Biomes;
+ };
+
+
+ /** The underlying int generator */
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Randomly replaces pixels of one value to another value, using the given chance. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenReplaceRandomly :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenReplaceRandomly(int a_From, int a_To, int a_Chance, int a_Seed, Underlying a_Underlying) :
+ super(a_Seed),
+ m_From(a_From),
+ m_To(a_To),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying values:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+
+ // Replace some of the values:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int idxZ = z * SizeX;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int idx = x + idxZ;
+ if (a_Values[idx] == m_From)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[idx] = m_To;
+ }
+ }
+ }
+ } // for z
+ }
+
+
+protected:
+ /** The original value to be replaced. */
+ int m_From;
+
+ /** The destination value to which to replace. */
+ int m_To;
+
+ /** Chance, in permille, of replacing the value. */
+ int m_Chance;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Mixer that joins together finalized biomes and rivers.
+It first checks for oceans, if there is an ocean in the Biomes, it keeps the ocean.
+If there's no ocean, it checks Rivers for a river, if there is a river, it uses the Biomes to select either
+regular river or frozen river, based on the biome. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenMixRivers:
+ public cIntGen<SizeX, SizeZ>
+{
+ typedef cIntGen<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenMixRivers(Underlying a_Biomes, Underlying a_Rivers):
+ m_Biomes(a_Biomes),
+ m_Rivers(a_Rivers)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data:
+ m_Biomes->GetInts(a_MinX, a_MinZ, a_Values);
+ typename super::Values riverData;
+ m_Rivers->GetInts(a_MinX, a_MinZ, riverData);
+
+ // Mix the values:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int idxZ = z * SizeX;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int idx = x + idxZ;
+ if (IsBiomeOcean(a_Values[idx]))
+ {
+ // Oceans are kept without any changes
+ continue;
+ }
+ if (riverData[idx] != biRiver)
+ {
+ // There's no river, keep the current value
+ continue;
+ }
+
+ // There's a river, change the output to a river or a frozen river, based on the original biome:
+ if (IsBiomeVeryCold((EMCSBiome)a_Values[idx]))
+ {
+ a_Values[idx] = biFrozenRiver;
+ }
+ else
+ {
+ a_Values[idx] = biRiver;
+ }
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Biomes;
+ Underlying m_Rivers;
+};
+
+
+
+
+
+/** Generates a river based on the underlying data.
+This is basically an edge detector over the underlying data. The rivers are the edges where the underlying data
+changes from one pixel to its neighbor. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenRiver:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+ static const int UnderlyingSizeX = SizeX + 2;
+ static const int UnderlyingSizeZ = SizeZ + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<UnderlyingSizeX, UnderlyingSizeZ>> Underlying;
+
+
+ cIntGenRiver(int a_Seed, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data:
+ int Cache[UnderlyingSizeX * UnderlyingSizeZ];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, Cache);
+
+ // Detect the edges:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int Above = Cache[x + 1 + z * UnderlyingSizeX];
+ int Below = Cache[x + 1 + (z + 2) * UnderlyingSizeX];
+ int Left = Cache[x + (z + 1) * UnderlyingSizeX];
+ int Right = Cache[x + 2 + (z + 1) * UnderlyingSizeX];
+ int val = Cache[x + 1 + (z + 1) * UnderlyingSizeX];
+
+ if ((val == Above) && (val == Below) && (val == Left) && (val == Right))
+ {
+ val = 0;
+ }
+ else
+ {
+ val = biRiver;
+ }
+ a_Values[x + z * SizeX] = val;
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Turns some of the oceans into the specified biome. Used for mushroom and deep ocean.
+The biome is only placed if at least 3 of its neighbors are ocean and only with the specified chance. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenAddToOcean:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+ static const int UnderlyingSizeX = SizeX + 2;
+ static const int UnderlyingSizeZ = SizeZ + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<UnderlyingSizeX, UnderlyingSizeZ>> Underlying;
+
+
+ cIntGenAddToOcean(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying):
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_ToValue(a_ToValue),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data:
+ int Cache[UnderlyingSizeX * UnderlyingSizeZ];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, Cache);
+
+ // Add the mushroom islands:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int val = Cache[x + 1 + (z + 1) * UnderlyingSizeX];
+ if (!IsBiomeOcean(val))
+ {
+ a_Values[x + z * SizeX] = val;
+ continue;
+ }
+
+ // Count the ocean neighbors:
+ int Above = Cache[x + 1 + z * UnderlyingSizeX];
+ int Below = Cache[x + 1 + (z + 2) * UnderlyingSizeX];
+ int Left = Cache[x + (z + 1) * UnderlyingSizeX];
+ int Right = Cache[x + 2 + (z + 1) * UnderlyingSizeX];
+ int NumOceanNeighbors = 0;
+ if (IsBiomeOcean(Above))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Below))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Left))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Right))
+ {
+ NumOceanNeighbors += 1;
+ }
+
+ // If at least 3 ocean neighbors and the chance is right, change:
+ if (
+ (NumOceanNeighbors >= 3) &&
+ ((super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7) % 1000 < m_Chance)
+ )
+ {
+ a_Values[x + z * SizeX] = m_ToValue;
+ }
+ else
+ {
+ a_Values[x + z * SizeX] = val;
+ }
+ } // for x
+ } // for z
+ }
+
+protected:
+ /** Chance, in permille, of changing the biome. */
+ int m_Chance;
+
+ /** The value to change the ocean into. */
+ int m_ToValue;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Changes random pixels of the underlying data to the specified value. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenSetRandomly :
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+ cIntGenSetRandomly(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_ToValue(a_ToValue),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+
+ // Change random pixels to bgOcean:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[x + z * SizeX] = m_ToValue;
+ }
+ }
+ }
+ }
+
+protected:
+ /** Chance, in permille, of changing each pixel. */
+ int m_Chance;
+
+ /** The value to which to set the pixel. */
+ int m_ToValue;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+
+/** Adds a "rare" flag to random biome groups, based on the given chance. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenRareBiomeGroups:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenRareBiomeGroups(int a_Seed, int a_Chance, Underlying a_Underlying):
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying data:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+
+ // Change some of the biome groups into rare biome groups:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ int idx = x + SizeX * z;
+ a_Values[idx] = a_Values[idx] | bgfRare;
+ }
+ }
+ }
+ }
+
+protected:
+ /** Chance, in permille, of changing each pixel into the rare biome group. */
+ int m_Chance;
+
+ /** The underlying generator. */
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Changes biomes in the parent data into an alternate versions (usually "hill" variants), in such places
+that have their alterations set. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenAlternateBiomes:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenAlternateBiomes(int a_Seed, Underlying a_Alterations, Underlying a_BaseBiomes):
+ super(a_Seed),
+ m_Alterations(a_Alterations),
+ m_BaseBiomes(a_BaseBiomes)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the base biomes and the alterations:
+ m_BaseBiomes->GetInts(a_MinX, a_MinZ, a_Values);
+ typename super::Values alterations;
+ m_Alterations->GetInts(a_MinX, a_MinZ, alterations);
+
+ // Change the biomes into their alternate versions:
+ for (int idx = 0; idx < SizeX * SizeZ; ++idx)
+ {
+ if (alterations[idx] == 0)
+ {
+ // No change
+ continue;
+ }
+
+ // Change to alternate biomes:
+ int val = a_Values[idx];
+ switch (val)
+ {
+ case biBirchForest: val = biBirchForestHills; break;
+ case biDesert: val = biDesertHills; break;
+ case biExtremeHills: val = biExtremeHillsPlus; break;
+ case biForest: val = biForestHills; break;
+ case biIcePlains: val = biIceMountains; break;
+ case biJungle: val = biJungleHills; break;
+ case biMegaTaiga: val = biMegaTaigaHills; break;
+ case biMesaPlateau: val = biMesa; break;
+ case biMesaPlateauF: val = biMesa; break;
+ case biMesaPlateauM: val = biMesa; break;
+ case biMesaPlateauFM: val = biMesa; break;
+ case biPlains: val = biForest; break;
+ case biRoofedForest: val = biPlains; break;
+ case biSavanna: val = biSavannaPlateau; break;
+ case biTaiga: val = biTaigaHills; break;
+ }
+ a_Values[idx] = val;
+ } // for idx - a_Values[]
+ }
+
+protected:
+ Underlying m_Alterations;
+ Underlying m_BaseBiomes;
+};
+
+
+
+
+
+/** Adds an edge between two specifically incompatible biomes, such as mesa and forest. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenBiomeEdges:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+ static const int m_LowerSizeX = SizeX + 2;
+ static const int m_LowerSizeZ = SizeZ + 2;
+
+public:
+ typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying;
+
+
+ cIntGenBiomeEdges(int a_Seed, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying biomes:
+ typename Underlying::element_type::Values lowerValues;
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerValues);
+
+ // Convert incompatible edges into neutral biomes:
+ for (int z = 0; z < SizeZ; z++)
+ {
+ for (int x = 0; x < SizeX; x++)
+ {
+ int biome = lowerValues[x + 1 + (z + 1) * m_LowerSizeX];
+ int above = lowerValues[x + 1 + z * m_LowerSizeX];
+ int below = lowerValues[x + 1 + (z + 2) * m_LowerSizeX];
+ int left = lowerValues[x + (z + 1) * m_LowerSizeX];
+ int right = lowerValues[x + 2 + (z + 1) * m_LowerSizeX];
+
+ switch (biome)
+ {
+ case biDesert:
+ case biDesertM:
+ case biDesertHills:
+ {
+ if (
+ IsBiomeVeryCold(static_cast<EMCSBiome>(above)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(below)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(left)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(right))
+ )
+ {
+ biome = biPlains;
+ }
+ break;
+ } // case biDesert
+
+ case biMesaPlateau:
+ case biMesaPlateauF:
+ case biMesaPlateauFM:
+ case biMesaPlateauM:
+ {
+ if (
+ !isMesaCompatible(above) ||
+ !isMesaCompatible(below) ||
+ !isMesaCompatible(left) ||
+ !isMesaCompatible(right)
+ )
+ {
+ biome = biDesert;
+ }
+ break;
+ } // Mesa biomes
+
+ case biJungle:
+ case biJungleM:
+ {
+ if (
+ !isJungleCompatible(above) ||
+ !isJungleCompatible(below) ||
+ !isJungleCompatible(left) ||
+ !isJungleCompatible(right)
+ )
+ {
+ biome = (biome == biJungle) ? biJungleEdge : biJungleEdgeM;
+ }
+ break;
+ } // Jungle biomes
+
+ case biSwampland:
+ case biSwamplandM:
+ {
+ if (
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(above)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(below)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(left)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(right))
+ )
+ {
+ biome = biPlains;
+ }
+ break;
+ } // Swampland biomes
+ } // switch (biome)
+
+ a_Values[x + z * SizeX] = biome;
+ } // for x
+ } // for z
+ }
+
+
+protected:
+ Underlying m_Underlying;
+
+
+ bool isMesaCompatible(int a_Biome)
+ {
+ switch (a_Biome)
+ {
+ case biDesert:
+ case biMesa:
+ case biMesaBryce:
+ case biMesaPlateau:
+ case biMesaPlateauF:
+ case biMesaPlateauFM:
+ case biMesaPlateauM:
+ case biOcean:
+ case biDeepOcean:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+
+
+ bool isJungleCompatible(int a_Biome)
+ {
+ switch (a_Biome)
+ {
+ case biJungle:
+ case biJungleM:
+ case biJungleEdge:
+ case biJungleEdgeM:
+ case biJungleHills:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+};
+
+
+
+
+
+/** Changes biomes in the parent data into their alternate versions ("M" variants), in such places that
+have their alterations set. */
+template <int SizeX, int SizeZ = SizeX>
+class cIntGenMBiomes:
+ public cIntGenWithNoise<SizeX, SizeZ>
+{
+ typedef cIntGenWithNoise<SizeX, SizeZ> super;
+
+public:
+ typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying;
+
+
+ cIntGenMBiomes(int a_Seed, Underlying a_Alteration, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying),
+ m_Alteration(a_Alteration)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override
+ {
+ // Generate the underlying biomes and the alterations:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_Values);
+ typename super::Values alterations;
+ m_Alteration->GetInts(a_MinX, a_MinZ, alterations);
+
+ // Wherever alterations are nonzero, change into alternate biome, if available:
+ for (int idx = 0; idx < SizeX * SizeZ; ++idx)
+ {
+ if (alterations[idx] == 0)
+ {
+ continue;
+ }
+
+ // Ice spikes biome was removed from here, because it was generated way too often
+ switch (a_Values[idx])
+ {
+ case biPlains: a_Values[idx] = biSunflowerPlains; break;
+ case biDesert: a_Values[idx] = biDesertM; break;
+ case biExtremeHills: a_Values[idx] = biExtremeHillsM; break;
+ case biForest: a_Values[idx] = biFlowerForest; break;
+ case biTaiga: a_Values[idx] = biTaigaM; break;
+ case biSwampland: a_Values[idx] = biSwamplandM; break;
+ case biJungle: a_Values[idx] = biJungleM; break;
+ case biJungleEdge: a_Values[idx] = biJungleEdgeM; break;
+ case biBirchForest: a_Values[idx] = biBirchForestM; break;
+ case biBirchForestHills: a_Values[idx] = biBirchForestHillsM; break;
+ case biRoofedForest: a_Values[idx] = biRoofedForestM; break;
+ case biColdTaiga: a_Values[idx] = biColdTaigaM; break;
+ case biMegaSpruceTaiga: a_Values[idx] = biMegaSpruceTaiga; break;
+ case biMegaSpruceTaigaHills: a_Values[idx] = biMegaSpruceTaigaHills; break;
+ case biExtremeHillsPlus: a_Values[idx] = biExtremeHillsPlusM; break;
+ case biSavanna: a_Values[idx] = biSavannaM; break;
+ case biSavannaPlateau: a_Values[idx] = biSavannaPlateauM; break;
+ case biMesa: a_Values[idx] = biMesaBryce; break;
+ case biMesaPlateauF: a_Values[idx] = biMesaPlateauFM; break;
+ case biMesaPlateau: a_Values[idx] = biMesaBryce; break;
+ }
+ } // for idx - a_Values[] / alterations[]
+ }
+
+protected:
+ Underlying m_Underlying;
+ Underlying m_Alteration;
+};
+
+
+
+
diff --git a/src/Generating/ProtIntGen.h b/src/Generating/ProtIntGen.h
new file mode 100644
index 000000000..73ed27096
--- /dev/null
+++ b/src/Generating/ProtIntGen.h
@@ -0,0 +1,1351 @@
+
+// ProtIntGen.h
+
+// Declares the prototyping integer generators - cProtIntGen class and its descendants
+
+/*
+These classes generate 2D arrays of integers that have various interpretations. The main purpose of these
+classes is to provide fast prototyping for cIntGen classes - unlike cIntGen classes, these are not
+template-based and so they take care of the underlying sizes automatically. This makes them easier to chain
+and re-chain, since the size parameters don't need to be adjusted after each such case. Their performance is,
+however, slightly worse, which is why we use cIntGen classes in the final generator.
+
+Because there is no SizeX / SizeZ template param, the generators would have to either alloc memory for each
+underlying generator's values, or use a maximum-size buffer. We chose the latter, to avoid memory allocation
+overhead; this however means that there's (an arbitrary) limit to the size of the generated data.
+*/
+
+
+
+
+
+#pragma once
+
+// We need the biome group constants defined there:
+#include "IntGen.h"
+
+
+
+
+
+/** Interface that all the generator classes provide. */
+class cProtIntGen
+{
+protected:
+ /** Maximum size of the generated area.
+ Adjust the constant if you need larger areas, these are just so that we can use fixed-size buffers. */
+ static const int m_BufferSize = 900;
+
+public:
+
+ /** Type of the generic interface used for storing links to the underlying generators. */
+ typedef std::shared_ptr<cProtIntGen> Underlying;
+
+
+ /** Force a virtual destructor in all descendants.
+ Descendants contain virtual functions and are referred to via pointer-to-base, so they need a virtual destructor. */
+ virtual ~cProtIntGen() {}
+
+ /** Generates the array of specified size into a_Values, based on given min coords. */
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) = 0;
+};
+
+
+
+
+
+/** Provides additional cNoise member and its helper functions. */
+class cProtIntGenWithNoise :
+ public cProtIntGen
+{
+ typedef cProtIntGen super;
+
+public:
+ cProtIntGenWithNoise(int a_Seed) :
+ m_Noise(a_Seed)
+ {
+ }
+
+protected:
+ cNoise m_Noise;
+
+ /** Chooses one of a_Val1 or a_Val2, based on m_Noise and the coordinates for querying the noise. */
+ int chooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2)
+ {
+ int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7;
+ return ((rnd & 1) == 0) ? a_Val1 : a_Val2;
+ }
+
+ /** Chooses one of a_ValN, based on m_Noise and the coordinates for querying the noise. */
+ int chooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2, int a_Val3, int a_Val4)
+ {
+ int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7;
+ switch (rnd % 4)
+ {
+ case 0: return a_Val1;
+ case 1: return a_Val2;
+ case 2: return a_Val3;
+ default: return a_Val4;
+ }
+ }
+};
+
+
+
+
+
+
+/** Generates a 2D array of random integers in the specified range [0 .. Range). */
+class cProtIntGenChoice :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenChoice(int a_Seed, int a_Range) :
+ super(a_Seed),
+ m_Range(a_Range)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int BaseZ = a_MinZ + z;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ a_Values[x + a_SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % m_Range;
+ }
+ } // for z
+ }
+
+protected:
+ int m_Range;
+};
+
+
+
+
+
+
+/** Decides between the ocean and landmass biomes.
+Has a threshold (in percent) of how much land, the larger the threshold, the more land.
+Generates 0 for ocean, biome group ID for landmass. */
+class cProtIntGenLandOcean :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenLandOcean(int a_Seed, int a_Threshold) :
+ super(a_Seed),
+ m_Threshold(a_Threshold)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int BaseZ = a_MinZ + z;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7);
+ a_Values[x + a_SizeX * z] = ((rnd % 100) < m_Threshold) ? ((rnd / 101) % bgLandOceanMax + 1) : 0;
+ }
+ }
+
+ // If the centerpoint of the world is within the area, set it to bgTemperate, always:
+ if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + a_SizeX > 0) && (a_MinZ + a_SizeZ > 0))
+ {
+ a_Values[-a_MinX - a_MinZ * a_SizeX] = bgTemperate;
+ }
+ }
+
+protected:
+ int m_Threshold;
+};
+
+
+
+
+
+/** Zooms the underlying value array to twice the size. Uses random-neighbor for the pixels in-between.
+This means that the zoome out image is randomly distorted. Applying zoom several times provides all
+the distortion that the generators need. */
+class cProtIntGenZoom :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenZoom(int a_Seed, Underlying a_UnderlyingGen) :
+ super(a_Seed),
+ m_UnderlyingGen(a_UnderlyingGen)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Get the coords for the lower generator:
+ int lowerMinX = a_MinX >> 1;
+ int lowerMinZ = a_MinZ >> 1;
+ int lowerSizeX = a_SizeX / 2 + 2;
+ int lowerSizeZ = a_SizeZ / 2 + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ ASSERT(lowerSizeX > 0);
+ ASSERT(lowerSizeZ > 0);
+
+ // Generate the underlying data with half the resolution:
+ int lowerData[m_BufferSize];
+ m_UnderlyingGen->GetInts(lowerMinX, lowerMinZ, lowerSizeX, lowerSizeZ, lowerData);
+ const int lowStepX = (lowerSizeX - 1) * 2;
+ int cache[m_BufferSize];
+
+ // Discreet-interpolate the values into twice the size:
+ for (int z = 0; z < lowerSizeZ - 1; ++z)
+ {
+ int idx = (z * 2) * lowStepX;
+ int PrevZ0 = lowerData[z * lowerSizeX];
+ int PrevZ1 = lowerData[(z + 1) * lowerSizeX];
+
+ for (int x = 0; x < lowerSizeX - 1; ++x)
+ {
+ int ValX1Z0 = lowerData[x + 1 + z * lowerSizeX];
+ int ValX1Z1 = lowerData[x + 1 + (z + 1) * lowerSizeX];
+ int RndX = (x + lowerMinX) * 2;
+ int RndZ = (z + lowerMinZ) * 2;
+ cache[idx] = PrevZ0;
+ cache[idx + lowStepX] = super::chooseRandomOne(RndX, RndZ + 1, PrevZ0, PrevZ1);
+ cache[idx + 1] = super::chooseRandomOne(RndX, RndZ - 1, PrevZ0, ValX1Z0);
+ cache[idx + 1 + lowStepX] = super::chooseRandomOne(RndX, RndZ, PrevZ0, ValX1Z0, PrevZ1, ValX1Z1);
+ idx += 2;
+ PrevZ0 = ValX1Z0;
+ PrevZ1 = ValX1Z1;
+ }
+ }
+
+ // Copy from Cache into a_Values; take into account the even/odd offsets in a_Min:
+ for (int z = 0; z < a_SizeZ; ++z)
+ {
+ memcpy(a_Values + z * a_SizeX, cache + (z + (a_MinZ & 1)) * lowStepX + (a_MinX & 1), a_SizeX * sizeof(int));
+ }
+ }
+
+protected:
+ Underlying m_UnderlyingGen;
+};
+
+
+
+
+
+/** Smoothes out some artifacts generated by the zooming - mostly single-pixel values.
+Compares each pixel to its neighbors and if the neighbors are equal, changes the pixel to their value. */
+class cProtIntGenSmooth :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenSmooth(int a_Seed, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying values:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerData[m_BufferSize];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData);
+
+ // Smooth - for each square check if the surroundings are the same, if so, expand them diagonally.
+ // Also get rid of single-pixel irregularities (A-B-A):
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int NoiseZ = a_MinZ + z;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int val = lowerData[x + 1 + (z + 1) * lowerSizeX];
+ int above = lowerData[x + 1 + z * lowerSizeX];
+ int below = lowerData[x + 1 + (z + 2) * lowerSizeX];
+ int left = lowerData[x + (z + 1) * lowerSizeX];
+ int right = lowerData[x + 2 + (z + 1) * lowerSizeX];
+
+ if ((left == right) && (above == below))
+ {
+ if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 2) == 0)
+ {
+ val = left;
+ }
+ else
+ {
+ val = above;
+ }
+ }
+ else
+ {
+ if (left == right)
+ {
+ val = left;
+ }
+
+ if (above == below)
+ {
+ val = above;
+ }
+ }
+
+ a_Values[x + z * a_SizeX] = val;
+ }
+ }
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Converts land biomes at the edge of an ocean into the respective beach biome. */
+class cProtIntGenBeaches :
+ public cProtIntGen
+{
+ typedef cProtIntGen super;
+
+public:
+ cProtIntGenBeaches(Underlying a_Underlying) :
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Map for biome -> its beach:
+ static const int ToBeach[] =
+ {
+ /* biOcean */ biOcean,
+ /* biPlains */ biBeach,
+ /* biDesert */ biBeach,
+ /* biExtremeHills */ biStoneBeach,
+ /* biForest */ biBeach,
+ /* biTaiga */ biColdBeach,
+ /* biSwampland */ biSwampland,
+ /* biRiver */ biRiver,
+ /* biNether */ biNether,
+ /* biEnd */ biEnd,
+ /* biFrozenOcean */ biColdBeach,
+ /* biFrozenRiver */ biColdBeach,
+ /* biIcePlains */ biColdBeach,
+ /* biIceMountains */ biColdBeach,
+ /* biMushroomIsland */ biMushroomShore,
+ /* biMushroomShore */ biMushroomShore,
+ /* biBeach */ biBeach,
+ /* biDesertHills */ biBeach,
+ /* biForestHills */ biBeach,
+ /* biTaigaHills */ biColdBeach,
+ /* biExtremeHillsEdge */ biStoneBeach,
+ /* biJungle */ biBeach,
+ /* biJungleHills */ biBeach,
+ /* biJungleEdge */ biBeach,
+ /* biDeepOcean */ biOcean,
+ /* biStoneBeach */ biStoneBeach,
+ /* biColdBeach */ biColdBeach,
+ /* biBirchForest */ biBeach,
+ /* biBirchForestHills */ biBeach,
+ /* biRoofedForest */ biBeach,
+ /* biColdTaiga */ biColdBeach,
+ /* biColdTaigaHills */ biColdBeach,
+ /* biMegaTaiga */ biStoneBeach,
+ /* biMegaTaigaHills */ biStoneBeach,
+ /* biExtremeHillsPlus */ biStoneBeach,
+ /* biSavanna */ biBeach,
+ /* biSavannaPlateau */ biBeach,
+ /* biMesa */ biMesa,
+ /* biMesaPlateauF */ biMesa,
+ /* biMesaPlateau */ biMesa,
+ };
+
+ // Generate the underlying values:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerValues[m_BufferSize];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
+
+ // Add beaches between ocean and biomes:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int val = lowerValues[x + 1 + (z + 1) * lowerSizeX];
+ int above = lowerValues[x + 1 + z * lowerSizeX];
+ int below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
+ int left = lowerValues[x + (z + 1) * lowerSizeX];
+ int right = lowerValues[x + 2 + (z + 1) * lowerSizeX];
+ if (!IsBiomeOcean(val))
+ {
+ if (IsBiomeOcean(above) || IsBiomeOcean(below) || IsBiomeOcean(left) || IsBiomeOcean(right))
+ {
+ // First convert the value to a regular biome (drop the M flag), then modulo by our biome count:
+ val = ToBeach[(val % 128) % ARRAYCOUNT(ToBeach)];
+ }
+ }
+ a_Values[x + z * a_SizeX] = val;
+ }
+ }
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Generates the underlying numbers and then randomly changes some ocean group pixels into random land
+biome group pixels, based on the predefined chance. */
+class cProtIntGenAddIslands :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ typedef std::shared_ptr<cProtIntGen> Underlying;
+
+
+ cProtIntGenAddIslands(int a_Seed, int a_Chance, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ if (a_Values[x + z * a_SizeX] == bgOcean)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(a_MinX + x, a_MinZ + z) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[x + z * a_SizeX] = (rnd / 1003) % bgLandOceanMax;
+ }
+ }
+ }
+ }
+ }
+
+protected:
+ /** Chance of each ocean pixel being converted, in permille. */
+ int m_Chance;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** A filter that adds an edge biome group between two biome groups that need an edge between them. */
+class cProtIntGenBiomeGroupEdges :
+ public cProtIntGen
+{
+ typedef cProtIntGen super;
+
+public:
+ cProtIntGenBiomeGroupEdges(Underlying a_Underlying) :
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values)
+ {
+ // Generate the underlying biome groups:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerValues[m_BufferSize];
+ m_Underlying->GetInts(a_MinX, a_MinZ, lowerSizeX, lowerSizeZ, lowerValues);
+
+ // Change the biomes on incompatible edges into an edge biome:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int val = lowerValues[x + 1 + (z + 1) * lowerSizeX];
+ int Above = lowerValues[x + 1 + z * lowerSizeX];
+ int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
+ int Left = lowerValues[x + (z + 1) * lowerSizeX];
+ int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX];
+ switch (val)
+ {
+ // Desert should neighbor only oceans, desert and temperates; change to temperate when another:
+ case bgDesert:
+ {
+ if (
+ !isDesertCompatible(Above) ||
+ !isDesertCompatible(Below) ||
+ !isDesertCompatible(Left) ||
+ !isDesertCompatible(Right)
+ )
+ {
+ val = bgTemperate;
+ }
+ break;
+ } // case bgDesert
+
+ // Ice should not neighbor deserts; change to temperate:
+ case bgIce:
+ {
+ if (
+ (Above == bgDesert) ||
+ (Below == bgDesert) ||
+ (Left == bgDesert) ||
+ (Right == bgDesert)
+ )
+ {
+ val = bgTemperate;
+ }
+ break;
+ } // case bgIce
+ }
+ a_Values[x + z * a_SizeX] = val;
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Underlying;
+
+
+ inline bool isDesertCompatible(int a_BiomeGroup)
+ {
+ switch (a_BiomeGroup)
+ {
+ case bgOcean:
+ case bgDesert:
+ case bgTemperate:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+};
+
+
+
+
+
+/** Turns biome group indices into real biomes.
+For each pixel, takes its biome group and chooses a random biome from that group; replaces the value with
+that biome. */
+class cProtIntGenBiomes :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenBiomes(int a_Seed, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Define the per-biome-group biomes:
+ static const int oceanBiomes[] =
+ {
+ biOcean, // biDeepOcean,
+ };
+
+ // Same as oceanBiomes, there are no rare oceanic biomes (mushroom islands are handled separately)
+ static const int rareOceanBiomes[] =
+ {
+ biOcean,
+ };
+
+ static const int desertBiomes[] =
+ {
+ biDesert, biDesert, biDesert, biDesert, biDesert, biDesert, biSavanna, biSavanna, biPlains,
+ };
+
+ static const int rareDesertBiomes[] =
+ {
+ biMesaPlateau, biMesaPlateauF,
+ };
+
+ static const int temperateBiomes[] =
+ {
+ biForest, biForest, biRoofedForest, biExtremeHills, biPlains, biBirchForest, biSwampland,
+ };
+
+ static const int rareTemperateBiomes[] =
+ {
+ biJungle, // Jungle is not strictly temperate, but let's piggyback it here
+ };
+
+ static const int mountainBiomes[] =
+ {
+ biExtremeHills, biForest, biTaiga, biPlains,
+ };
+
+ static const int rareMountainBiomes[] =
+ {
+ biMegaTaiga,
+ };
+
+ static const int iceBiomes[] =
+ {
+ biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga,
+ };
+
+ // Same as iceBiomes, there's no rare ice biome
+ static const int rareIceBiomes[] =
+ {
+ biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga,
+ };
+
+ static const cBiomesInGroups biomesInGroups[] =
+ {
+ /* bgOcean */ { static_cast<int>(ARRAYCOUNT(oceanBiomes)), oceanBiomes},
+ /* bgDesert */ { static_cast<int>(ARRAYCOUNT(desertBiomes)), desertBiomes},
+ /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(temperateBiomes)), temperateBiomes},
+ /* bgMountains */ { static_cast<int>(ARRAYCOUNT(mountainBiomes)), mountainBiomes},
+ /* bgIce */ { static_cast<int>(ARRAYCOUNT(iceBiomes)), iceBiomes},
+ };
+
+ static const cBiomesInGroups rareBiomesInGroups[] =
+ {
+ /* bgOcean */ { static_cast<int>(ARRAYCOUNT(rareOceanBiomes)), rareOceanBiomes},
+ /* bgDesert */ { static_cast<int>(ARRAYCOUNT(rareDesertBiomes)), rareDesertBiomes},
+ /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(rareTemperateBiomes)), rareTemperateBiomes},
+ /* bgMountains */ { static_cast<int>(ARRAYCOUNT(rareMountainBiomes)), rareMountainBiomes},
+ /* bgIce */ { static_cast<int>(ARRAYCOUNT(rareIceBiomes)), rareIceBiomes},
+ };
+
+ // Generate the underlying values, representing biome groups:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+
+ // Overwrite each biome group with a random biome from that group:
+ // Take care of the bgfRare flag
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int IdxZ = z * a_SizeX;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int val = a_Values[x + IdxZ];
+ const cBiomesInGroups & Biomes = (val > bgfRare) ?
+ rareBiomesInGroups[(val & (bgfRare - 1)) % ARRAYCOUNT(rareBiomesInGroups)] :
+ biomesInGroups[val % ARRAYCOUNT(biomesInGroups)];
+ int rnd = (super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7);
+ a_Values[x + IdxZ] = Biomes.Biomes[rnd % Biomes.Count];
+ }
+ }
+ }
+
+protected:
+
+ struct cBiomesInGroups
+ {
+ const int Count;
+ const int * Biomes;
+ };
+
+
+ /** The underlying int generator */
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Randomly replaces pixels of one value to another value, using the given chance. */
+class cProtIntGenReplaceRandomly :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ typedef std::shared_ptr<cProtIntGen> Underlying;
+
+
+ cProtIntGenReplaceRandomly(int a_Seed, int a_From, int a_To, int a_Chance, Underlying a_Underlying) :
+ super(a_Seed),
+ m_From(a_From),
+ m_To(a_To),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying values:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+
+ // Replace some of the values:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int idxZ = z * a_SizeX;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int idx = x + idxZ;
+ if (a_Values[idx] == m_From)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[idx] = m_To;
+ }
+ }
+ }
+ } // for z
+ }
+
+
+protected:
+ /** The original value to be replaced. */
+ int m_From;
+
+ /** The destination value to which to replace. */
+ int m_To;
+
+ /** Chance, in permille, of replacing the value. */
+ int m_Chance;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Mixer that joins together finalized biomes and rivers.
+It first checks for oceans, if there is an ocean in the Biomes, it keeps the ocean.
+If there's no ocean, it checks Rivers for a river, if there is a river, it uses the Biomes to select either
+regular river or frozen river, based on the biome. */
+class cProtIntGenMixRivers:
+ public cProtIntGen
+{
+ typedef cProtIntGen super;
+
+public:
+ cProtIntGenMixRivers(Underlying a_Biomes, Underlying a_Rivers):
+ m_Biomes(a_Biomes),
+ m_Rivers(a_Rivers)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying data:
+ ASSERT(a_SizeX * a_SizeZ <= m_BufferSize);
+ m_Biomes->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+ int riverData[m_BufferSize];
+ m_Rivers->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, riverData);
+
+ // Mix the values:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int idxZ = z * a_SizeX;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int idx = x + idxZ;
+ if (IsBiomeOcean(a_Values[idx]))
+ {
+ // Oceans are kept without any changes
+ continue;
+ }
+ if (riverData[idx] != biRiver)
+ {
+ // There's no river, keep the current value
+ continue;
+ }
+
+ // There's a river, change the output to a river or a frozen river, based on the original biome:
+ if (IsBiomeVeryCold((EMCSBiome)a_Values[idx]))
+ {
+ a_Values[idx] = biFrozenRiver;
+ }
+ else
+ {
+ a_Values[idx] = biRiver;
+ }
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Biomes;
+ Underlying m_Rivers;
+};
+
+
+
+
+
+/** Generates a river based on the underlying data.
+This is basically an edge detector over the underlying data. The rivers are the edges where the underlying
+data changes from one pixel to its neighbor. */
+class cProtIntGenRiver:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenRiver(int a_Seed, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying data:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerValues[m_BufferSize];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
+
+ // Detect the edges:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int Above = lowerValues[x + 1 + z * lowerSizeX];
+ int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
+ int Left = lowerValues[x + (z + 1) * lowerSizeX];
+ int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX];
+ int val = lowerValues[x + 1 + (z + 1) * lowerSizeX];
+
+ if ((val == Above) && (val == Below) && (val == Left) && (val == Right))
+ {
+ val = 0;
+ }
+ else
+ {
+ val = biRiver;
+ }
+ a_Values[x + z * a_SizeX] = val;
+ } // for x
+ } // for z
+ }
+
+protected:
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Turns some of the oceans into the specified biome. Used for mushroom and deep ocean.
+The biome is only placed if at least 3 of its neighbors are ocean and only with the specified chance. */
+class cProtIntGenAddToOcean:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenAddToOcean(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying):
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_ToValue(a_ToValue),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying data:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerValues[m_BufferSize];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
+
+ // Add the mushroom islands:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int val = lowerValues[x + 1 + (z + 1) * lowerSizeX];
+ if (!IsBiomeOcean(val))
+ {
+ a_Values[x + z * a_SizeX] = val;
+ continue;
+ }
+
+ // Count the ocean neighbors:
+ int Above = lowerValues[x + 1 + z * lowerSizeX];
+ int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
+ int Left = lowerValues[x + (z + 1) * lowerSizeX];
+ int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX];
+ int NumOceanNeighbors = 0;
+ if (IsBiomeOcean(Above))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Below))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Left))
+ {
+ NumOceanNeighbors += 1;
+ }
+ if (IsBiomeOcean(Right))
+ {
+ NumOceanNeighbors += 1;
+ }
+
+ // If at least 3 ocean neighbors and the chance is right, change:
+ if (
+ (NumOceanNeighbors >= 3) &&
+ ((super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7) % 1000 < m_Chance)
+ )
+ {
+ a_Values[x + z * a_SizeX] = m_ToValue;
+ }
+ else
+ {
+ a_Values[x + z * a_SizeX] = val;
+ }
+ } // for x
+ } // for z
+ }
+
+protected:
+ /** Chance, in permille, of changing the biome. */
+ int m_Chance;
+
+ /** The value to change the ocean into. */
+ int m_ToValue;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Changes random pixels of the underlying data to the specified value. */
+class cProtIntGenSetRandomly :
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenSetRandomly(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying) :
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_ToValue(a_ToValue),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying data:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+
+ // Change random pixels to bgOcean:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ a_Values[x + z * a_SizeX] = m_ToValue;
+ }
+ }
+ }
+ }
+
+protected:
+ /** Chance, in permille, of changing each pixel. */
+ int m_Chance;
+
+ /** The value to which to set the pixel. */
+ int m_ToValue;
+
+ Underlying m_Underlying;
+};
+
+
+
+
+
+
+/** Adds a "rare" flag to random biome groups, based on the given chance. */
+class cProtIntGenRareBiomeGroups:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenRareBiomeGroups(int a_Seed, int a_Chance, Underlying a_Underlying):
+ super(a_Seed),
+ m_Chance(a_Chance),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying data:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+
+ // Change some of the biome groups into rare biome groups:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7;
+ if (rnd % 1000 < m_Chance)
+ {
+ int idx = x + a_SizeX * z;
+ a_Values[idx] = a_Values[idx] | bgfRare;
+ }
+ }
+ }
+ }
+
+protected:
+ /** Chance, in permille, of changing each pixel into the rare biome group. */
+ int m_Chance;
+
+ /** The underlying generator. */
+ Underlying m_Underlying;
+};
+
+
+
+
+
+/** Changes biomes in the parent data into an alternate versions (usually "hill" variants), in such places
+that have their alterations set. */
+class cProtIntGenAlternateBiomes:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenAlternateBiomes(int a_Seed, Underlying a_Alterations, Underlying a_BaseBiomes):
+ super(a_Seed),
+ m_Alterations(a_Alterations),
+ m_BaseBiomes(a_BaseBiomes)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the base biomes and the alterations:
+ m_BaseBiomes->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+ int alterations[m_BufferSize];
+ m_Alterations->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations);
+
+ // Change the biomes into their alternate versions:
+ int len = a_SizeX * a_SizeZ;
+ for (int idx = 0; idx < len; ++idx)
+ {
+ if (alterations[idx] == 0)
+ {
+ // No change
+ continue;
+ }
+
+ // Change to alternate biomes:
+ int val = a_Values[idx];
+ switch (val)
+ {
+ case biBirchForest: val = biBirchForestHills; break;
+ case biDesert: val = biDesertHills; break;
+ case biExtremeHills: val = biExtremeHillsPlus; break;
+ case biForest: val = biForestHills; break;
+ case biIcePlains: val = biIceMountains; break;
+ case biJungle: val = biJungleHills; break;
+ case biMegaTaiga: val = biMegaTaigaHills; break;
+ case biMesaPlateau: val = biMesa; break;
+ case biMesaPlateauF: val = biMesa; break;
+ case biMesaPlateauM: val = biMesa; break;
+ case biMesaPlateauFM: val = biMesa; break;
+ case biPlains: val = biForest; break;
+ case biRoofedForest: val = biPlains; break;
+ case biSavanna: val = biSavannaPlateau; break;
+ case biTaiga: val = biTaigaHills; break;
+ }
+ a_Values[idx] = val;
+ } // for idx - a_Values[]
+ }
+
+protected:
+ Underlying m_Alterations;
+ Underlying m_BaseBiomes;
+};
+
+
+
+
+
+/** Adds an edge between two specifically incompatible biomes, such as mesa and forest. */
+class cProtIntGenBiomeEdges:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenBiomeEdges(int a_Seed, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying biomes:
+ int lowerSizeX = a_SizeX + 2;
+ int lowerSizeZ = a_SizeZ + 2;
+ ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize);
+ int lowerValues[m_BufferSize];
+ m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues);
+
+ // Convert incompatible edges into neutral biomes:
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ int biome = lowerValues[x + 1 + (z + 1) * lowerSizeX];
+ int above = lowerValues[x + 1 + z * lowerSizeX];
+ int below = lowerValues[x + 1 + (z + 2) * lowerSizeX];
+ int left = lowerValues[x + (z + 1) * lowerSizeX];
+ int right = lowerValues[x + 2 + (z + 1) * lowerSizeX];
+
+ switch (biome)
+ {
+ case biDesert:
+ case biDesertM:
+ case biDesertHills:
+ {
+ if (
+ IsBiomeVeryCold(static_cast<EMCSBiome>(above)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(below)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(left)) ||
+ IsBiomeVeryCold(static_cast<EMCSBiome>(right))
+ )
+ {
+ biome = biPlains;
+ }
+ break;
+ } // case biDesert
+
+ case biMesaPlateau:
+ case biMesaPlateauF:
+ case biMesaPlateauFM:
+ case biMesaPlateauM:
+ {
+ if (
+ !isMesaCompatible(above) ||
+ !isMesaCompatible(below) ||
+ !isMesaCompatible(left) ||
+ !isMesaCompatible(right)
+ )
+ {
+ biome = biDesert;
+ }
+ break;
+ } // Mesa biomes
+
+ case biJungle:
+ case biJungleM:
+ {
+ if (
+ !isJungleCompatible(above) ||
+ !isJungleCompatible(below) ||
+ !isJungleCompatible(left) ||
+ !isJungleCompatible(right)
+ )
+ {
+ biome = (biome == biJungle) ? biJungleEdge : biJungleEdgeM;
+ }
+ break;
+ } // Jungle biomes
+
+ case biSwampland:
+ case biSwamplandM:
+ {
+ if (
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(above)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(below)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(left)) ||
+ IsBiomeNoDownfall(static_cast<EMCSBiome>(right))
+ )
+ {
+ biome = biPlains;
+ }
+ break;
+ } // Swampland biomes
+ } // switch (biome)
+
+ a_Values[x + z * a_SizeX] = biome;
+ } // for x
+ } // for z
+ }
+
+
+protected:
+ Underlying m_Underlying;
+
+
+ bool isMesaCompatible(int a_Biome)
+ {
+ switch (a_Biome)
+ {
+ case biDesert:
+ case biMesa:
+ case biMesaBryce:
+ case biMesaPlateau:
+ case biMesaPlateauF:
+ case biMesaPlateauFM:
+ case biMesaPlateauM:
+ case biOcean:
+ case biDeepOcean:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+
+
+ bool isJungleCompatible(int a_Biome)
+ {
+ switch (a_Biome)
+ {
+ case biJungle:
+ case biJungleM:
+ case biJungleEdge:
+ case biJungleEdgeM:
+ case biJungleHills:
+ {
+ return true;
+ }
+ default:
+ {
+ return false;
+ }
+ }
+ }
+};
+
+
+
+
+
+/** Changes biomes in the parent data into their alternate versions ("M" variants), in such places that
+have their alterations set. */
+class cProtIntGenMBiomes:
+ public cProtIntGenWithNoise
+{
+ typedef cProtIntGenWithNoise super;
+
+public:
+ cProtIntGenMBiomes(int a_Seed, Underlying a_Alteration, Underlying a_Underlying):
+ super(a_Seed),
+ m_Underlying(a_Underlying),
+ m_Alteration(a_Alteration)
+ {
+ }
+
+
+ virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override
+ {
+ // Generate the underlying biomes and the alterations:
+ m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values);
+ int alterations[m_BufferSize];
+ m_Alteration->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations);
+
+ // Wherever alterations are nonzero, change into alternate biome, if available:
+ int len = a_SizeX * a_SizeZ;
+ for (int idx = 0; idx < len; ++idx)
+ {
+ if (alterations[idx] == 0)
+ {
+ continue;
+ }
+
+ // Ice spikes biome was removed from here, because it was generated way too often
+ switch (a_Values[idx])
+ {
+ case biPlains: a_Values[idx] = biSunflowerPlains; break;
+ case biDesert: a_Values[idx] = biDesertM; break;
+ case biExtremeHills: a_Values[idx] = biExtremeHillsM; break;
+ case biForest: a_Values[idx] = biFlowerForest; break;
+ case biTaiga: a_Values[idx] = biTaigaM; break;
+ case biSwampland: a_Values[idx] = biSwamplandM; break;
+ case biJungle: a_Values[idx] = biJungleM; break;
+ case biJungleEdge: a_Values[idx] = biJungleEdgeM; break;
+ case biBirchForest: a_Values[idx] = biBirchForestM; break;
+ case biBirchForestHills: a_Values[idx] = biBirchForestHillsM; break;
+ case biRoofedForest: a_Values[idx] = biRoofedForestM; break;
+ case biColdTaiga: a_Values[idx] = biColdTaigaM; break;
+ case biMegaSpruceTaiga: a_Values[idx] = biMegaSpruceTaiga; break;
+ case biMegaSpruceTaigaHills: a_Values[idx] = biMegaSpruceTaigaHills; break;
+ case biExtremeHillsPlus: a_Values[idx] = biExtremeHillsPlusM; break;
+ case biSavanna: a_Values[idx] = biSavannaM; break;
+ case biSavannaPlateau: a_Values[idx] = biSavannaPlateauM; break;
+ case biMesa: a_Values[idx] = biMesaBryce; break;
+ case biMesaPlateauF: a_Values[idx] = biMesaPlateauFM; break;
+ case biMesaPlateau: a_Values[idx] = biMesaBryce; break;
+ }
+ } // for idx - a_Values[] / alterations[]
+ }
+
+protected:
+ Underlying m_Underlying;
+ Underlying m_Alteration;
+};
+
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 08:05:28 +0200