diff options
Diffstat (limited to 'src/Generating')
25 files changed, 4125 insertions, 237 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/BioGen.h b/src/Generating/BioGen.h index 5fd0844d9..13fb40c5f 100644 --- a/src/Generating/BioGen.h +++ b/src/Generating/BioGen.h @@ -15,7 +15,7 @@ Interfaces to the various biome generators: #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../VoronoiMap.h" 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/Caves.h b/src/Generating/Caves.h index 0e17acf9e..691ef3e62 100644 --- a/src/Generating/Caves.h +++ b/src/Generating/Caves.h @@ -13,7 +13,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp index 020d3bd0f..042b688b7 100644 --- a/src/Generating/ChunkDesc.cpp +++ b/src/Generating/ChunkDesc.cpp @@ -7,7 +7,7 @@ #include "ChunkDesc.h" #include "../BlockArea.h" #include "../Cuboid.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../BlockEntities/BlockEntity.h" diff --git a/src/Generating/CompoGen.h b/src/Generating/CompoGen.h index b145b6ba3..c65a07fe8 100644 --- a/src/Generating/CompoGen.h +++ b/src/Generating/CompoGen.h @@ -17,7 +17,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp index 169821050..5f46574c7 100644 --- a/src/Generating/ComposableGenerator.cpp +++ b/src/Generating/ComposableGenerator.cpp @@ -73,6 +73,10 @@ cTerrainCompositionGenPtr cTerrainCompositionGen::CreateCompositionGen(cIniFile { res = new cCompoGenNether(a_Seed); } + else if (NoCaseCompare(CompoGenName, "BiomalNoise3D") == 0) + { + res = new cBiomalNoise3DComposable(a_Seed, a_BiomeGen); + } else if (NoCaseCompare(CompoGenName, "Noise3D") == 0) { res = new cNoise3DComposable(a_Seed); 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/DistortedHeightmap.h b/src/Generating/DistortedHeightmap.h index d073f29e4..955e57a1e 100644 --- a/src/Generating/DistortedHeightmap.h +++ b/src/Generating/DistortedHeightmap.h @@ -11,7 +11,6 @@ #include "ComposableGenerator.h" #include "HeiGen.h" -#include "../Noise.h" diff --git a/src/Generating/EndGen.h b/src/Generating/EndGen.h index 322061810..c2278c1e1 100644 --- a/src/Generating/EndGen.h +++ b/src/Generating/EndGen.h @@ -10,7 +10,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp index 0564789dc..42ecdf8a8 100644 --- a/src/Generating/FinishGen.cpp +++ b/src/Generating/FinishGen.cpp @@ -10,7 +10,6 @@ #include "Globals.h" #include "FinishGen.h" -#include "../Noise.h" #include "../BlockID.h" #include "../Simulator/FluidSimulator.h" // for cFluidSimulator::CanWashAway() #include "../Simulator/FireSimulator.h" @@ -199,6 +198,11 @@ void cFinishGenTallGrass::GenFinish(cChunkDesc & a_ChunkDesc) // Get the top block + 1. This is the place where the grass would finaly be placed: int y = a_ChunkDesc.GetHeight(x, z) + 1; + + if (y >= 255) + { + continue; + } // Check if long grass can be placed: if ( @@ -414,6 +418,11 @@ void cFinishGenSnow::GenFinish(cChunkDesc & a_ChunkDesc) } break; } + default: + { + // There's no snow in the other biomes. + break; + } } } } // for z @@ -454,6 +463,11 @@ void cFinishGenIce::GenFinish(cChunkDesc & a_ChunkDesc) } break; } + default: + { + // No icy water in other biomes. + break; + } } } } // for z diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h index 4a08d70c8..991a85787 100644 --- a/src/Generating/FinishGen.h +++ b/src/Generating/FinishGen.h @@ -16,7 +16,7 @@ #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../ProbabDistrib.h" diff --git a/src/Generating/GridStructGen.h b/src/Generating/GridStructGen.h index 03131fce9..b92fb2e9d 100644 --- a/src/Generating/GridStructGen.h +++ b/src/Generating/GridStructGen.h @@ -10,7 +10,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index a0b8770f5..1d9f1e3aa 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 +536,287 @@ 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, "BiomalNoise3D") == 0) + { + res = new cBiomalNoise3DComposable(a_Seed, a_BiomeGen); + } + 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/HeiGen.h b/src/Generating/HeiGen.h index 6ae5ba362..b3c9483fb 100644 --- a/src/Generating/HeiGen.h +++ b/src/Generating/HeiGen.h @@ -15,7 +15,7 @@ Interfaces to the various height generators: #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" 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/MineShafts.h b/src/Generating/MineShafts.h index 2850db571..efb11cfee 100644 --- a/src/Generating/MineShafts.h +++ b/src/Generating/MineShafts.h @@ -10,7 +10,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp index 5a4cb44cf..78b739d32 100644 --- a/src/Generating/Noise3DGenerator.cpp +++ b/src/Generating/Noise3DGenerator.cpp @@ -6,6 +6,7 @@ #include "Globals.h" #include "Noise3DGenerator.h" #include "../OSSupport/File.h" +#include "../OSSupport/Timer.h" #include "../IniFile.h" #include "../LinearInterpolation.h" #include "../LinearUpscale.h" @@ -61,6 +62,91 @@ public: +#if 0 +// Perform speed test of the cInterpolNoise class +static class cInterpolNoiseSpeedTest +{ +public: + cInterpolNoiseSpeedTest(void) + { + TestSpeed2D(); + TestSpeed3D(); + printf("InterpolNoise speed comparison finished.\n"); + } + + + /** Compare the speed of the 3D InterpolNoise vs 3D CubicNoise. */ + void TestSpeed3D(void) + { + printf("Evaluating 3D noise performance...\n"); + static const int SIZE_X = 128; + static const int SIZE_Y = 128; + static const int SIZE_Z = 128; + static const NOISE_DATATYPE MUL = 80; + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]); + cTimer timer; + + // Test the cInterpolNoise: + cInterpolNoise<Interp5Deg> interpNoise(1); + long long start = timer.GetNowTime(); + for (int i = 0; i < 30; i++) + { + interpNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL); + } + long long end = timer.GetNowTime(); + printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + + // Test the cCubicNoise: + cCubicNoise cubicNoise(1); + start = timer.GetNowTime(); + for (int i = 0; i < 30; i++) + { + cubicNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL); + } + end = timer.GetNowTime(); + printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + printf("3D noise performance comparison finished.\n"); + } + + + /** Compare the speed of the 2D InterpolNoise vs 2D CubicNoise. */ + void TestSpeed2D(void) + { + printf("Evaluating 2D noise performance...\n"); + static const int SIZE_X = 128; + static const int SIZE_Y = 128; + static const NOISE_DATATYPE MUL = 80; + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y]); + cTimer timer; + + // Test the cInterpolNoise: + cInterpolNoise<Interp5Deg> interpNoise(1); + long long start = timer.GetNowTime(); + for (int i = 0; i < 500; i++) + { + interpNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL); + } + long long end = timer.GetNowTime(); + printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + + // Test the cCubicNoise: + cCubicNoise cubicNoise(1); + start = timer.GetNowTime(); + for (int i = 0; i < 500; i++) + { + cubicNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL); + } + end = timer.GetNowTime(); + printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + printf("2D noise performance comparison finished.\n"); + } +} g_InterpolNoiseSpeedTest; +#endif + + + + + //////////////////////////////////////////////////////////////////////////////// // cNoise3DGenerator: @@ -69,9 +155,17 @@ cNoise3DGenerator::cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator) : m_Perlin(1000), m_Cubic(1000) { - m_Perlin.AddOctave(1, (NOISE_DATATYPE)0.5); - m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 1); - m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 2); + m_Perlin.AddOctave(1, 1); + m_Perlin.AddOctave(2, 0.5); + m_Perlin.AddOctave(4, 0.25); + m_Perlin.AddOctave(8, 0.125); + m_Perlin.AddOctave(16, 0.0625); + + m_Cubic.AddOctave(1, 1); + m_Cubic.AddOctave(2, 0.5); + m_Cubic.AddOctave(4, 0.25); + m_Cubic.AddOctave(8, 0.125); + m_Cubic.AddOctave(16, 0.0625); #if 0 // DEBUG: Test the noise generation: @@ -154,8 +248,8 @@ void cNoise3DGenerator::Initialize(cIniFile & a_IniFile) { // Params: m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62); - m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0); - m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 75); + m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0.1); + m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 68); m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 8); m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 8); m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 8); @@ -220,10 +314,10 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT NOISE_DATATYPE NoiseW[DIM_X * DIM_Y * DIM_Z]; // Workspace that the noise calculation can use and trash // Our noise array has different layout, XZY, instead of regular chunk's XYZ, that's why the coords are "renamed" - NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX; - NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width) - 1) / m_FrequencyX; - NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ; - NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width) - 1) / m_FrequencyZ; + NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX; + NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width)) / m_FrequencyX; + NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ; + NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width)) / m_FrequencyZ; NOISE_DATATYPE StartY = 0; NOISE_DATATYPE EndY = ((NOISE_DATATYPE)256) / m_FrequencyY; @@ -233,23 +327,23 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT // Precalculate a "height" array: NOISE_DATATYPE Height[DIM_X * DIM_Z]; // Output for the cubic noise heightmap ("source") - m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 25, EndX / 25, StartZ / 25, EndZ / 25); + m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 5, EndX / 5, StartZ / 5, EndZ / 5); for (size_t i = 0; i < ARRAYCOUNT(Height); i++) { - Height[i] = std::abs(Height[i]) * m_HeightAmplification + 1; + Height[i] = Height[i] * m_HeightAmplification; } // Modify the noise by height data: for (int y = 0; y < DIM_Y; y++) { - NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 20; - AddHeight *= AddHeight * AddHeight; + NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 30; + // AddHeight *= AddHeight * AddHeight; for (int z = 0; z < DIM_Z; z++) { NOISE_DATATYPE * CurRow = &(NoiseO[y * DIM_X + z * DIM_X * DIM_Y]); for (int x = 0; x < DIM_X; x++) { - CurRow[x] += AddHeight / Height[x + DIM_X * z]; + CurRow[x] += AddHeight + Height[x + DIM_X * z]; } } } @@ -346,9 +440,10 @@ void cNoise3DGenerator::ComposeTerrain(cChunkDesc & a_ChunkDesc) // cNoise3DComposable: cNoise3DComposable::cNoise3DComposable(int a_Seed) : - m_Noise1(a_Seed + 1000), - m_Noise2(a_Seed + 2000), - m_Noise3(a_Seed + 3000) + m_ChoiceNoise(a_Seed), + m_DensityNoiseA(a_Seed + 1), + m_DensityNoiseB(a_Seed + 2), + m_BaseNoise(a_Seed + 3) { } @@ -359,13 +454,51 @@ cNoise3DComposable::cNoise3DComposable(int a_Seed) : void cNoise3DComposable::Initialize(cIniFile & a_IniFile) { // Params: + // The defaults generate extreme hills terrain m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62); - m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0); + m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0.045); m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 75); - m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 10); - m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 10); - m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 10); - m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DAirThreshold", 0.5); + m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 40); + m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 40); + m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 40); + m_BaseFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseFrequencyX", 40); + m_BaseFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseFrequencyZ", 40); + m_ChoiceFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyX", 40); + m_ChoiceFrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyY", 80); + m_ChoiceFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyZ", 40); + m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DAirThreshold", 0); + int NumChoiceOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumChoiceOctaves", 4); + int NumDensityOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumDensityOctaves", 6); + int NumBaseOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumBaseOctaves", 6); + NOISE_DATATYPE BaseNoiseAmplitude = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseAmplitude", 1); + + // Add octaves for the choice noise: + NOISE_DATATYPE wavlen = 1, ampl = 0.5; + for (int i = 0; i < NumChoiceOctaves; i++) + { + m_ChoiceNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the density noises: + wavlen = 1, ampl = 1; + for (int i = 0; i < NumDensityOctaves; i++) + { + m_DensityNoiseA.AddOctave(wavlen, ampl); + m_DensityNoiseB.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the base noise: + wavlen = 1, ampl = BaseNoiseAmplitude; + for (int i = 0; i < NumBaseOctaves; i++) + { + m_BaseNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } } @@ -376,126 +509,399 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ) { if ((a_ChunkX == m_LastChunkX) && (a_ChunkZ == m_LastChunkZ)) { - // The noise for this chunk is already generated in m_Noise + // The noise for this chunk is already generated in m_NoiseArray return; } m_LastChunkX = a_ChunkX; m_LastChunkZ = a_ChunkZ; - // Upscaling parameters: - const int UPSCALE_X = 8; - const int UPSCALE_Y = 4; - const int UPSCALE_Z = 8; - - // Precalculate a "height" array: - NOISE_DATATYPE Height[17 * 17]; // x + 17 * z - for (int z = 0; z < 17; z += UPSCALE_Z) + // Generate all the noises: + NOISE_DATATYPE ChoiceNoise[5 * 5 * 33]; + NOISE_DATATYPE Workspace[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseA[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseB[5 * 5 * 33]; + NOISE_DATATYPE BaseNoise[5 * 5]; + NOISE_DATATYPE BlockX = static_cast<NOISE_DATATYPE>(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE BlockZ = static_cast<NOISE_DATATYPE>(a_ChunkZ * cChunkDef::Width); + // Note that we have to swap the coords, because noise generator uses [x + SizeX * y + SizeX * SizeY * z] ordering and we want "BlockY" to be "z": + m_ChoiceNoise.Generate3D (ChoiceNoise, 5, 5, 33, BlockX / m_ChoiceFrequencyX, (BlockX + 17) / m_ChoiceFrequencyX, BlockZ / m_ChoiceFrequencyZ, (BlockZ + 17) / m_ChoiceFrequencyZ, 0, 257 / m_ChoiceFrequencyY, Workspace); + m_DensityNoiseA.Generate3D(DensityNoiseA, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_DensityNoiseB.Generate3D(DensityNoiseB, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_BaseNoise.Generate2D (BaseNoise, 5, 5, BlockX / m_BaseFrequencyX, (BlockX + 17) / m_BaseFrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, Workspace); + + // Calculate the final noise based on the partial noises: + for (int y = 0; y < 33; y++) { - NOISE_DATATYPE NoiseZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width + z)) / m_FrequencyZ; - for (int x = 0; x < 17; x += UPSCALE_X) + NOISE_DATATYPE AddHeight = (static_cast<NOISE_DATATYPE>(y * 8) - m_MidPoint) * m_HeightAmplification; + + // If "underground", make the terrain smoother by forcing the vertical linear gradient into steeper slope: + if (AddHeight < 0) { - NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width + x)) / m_FrequencyX; - NOISE_DATATYPE val = std::abs(m_Noise1.CubicNoise2D(NoiseX / 5, NoiseZ / 5)) * m_HeightAmplification + 1; - Height[x + 17 * z] = val * val * val; + AddHeight *= 4; } - } - for (int y = 0; y < 257; y += UPSCALE_Y) - { - NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)y) / m_FrequencyY; - NOISE_DATATYPE AddHeight = (y - m_MidPoint) / 20; - AddHeight *= AddHeight * AddHeight; - NOISE_DATATYPE * CurFloor = &(m_NoiseArray[y * 17 * 17]); - for (int z = 0; z < 17; z += UPSCALE_Z) + for (int z = 0; z < 5; z++) { - NOISE_DATATYPE NoiseZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width + z)) / m_FrequencyZ; - for (int x = 0; x < 17; x += UPSCALE_X) + for (int x = 0; x < 5; x++) { - NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width + x)) / m_FrequencyX; - CurFloor[x + 17 * z] = ( - m_Noise1.CubicNoise3D(NoiseX, NoiseY, NoiseZ) * (NOISE_DATATYPE)0.5 + - m_Noise2.CubicNoise3D(NoiseX / 2, NoiseY / 2, NoiseZ / 2) + - m_Noise3.CubicNoise3D(NoiseX / 4, NoiseY / 4, NoiseZ / 4) * 2 + - AddHeight / Height[x + 17 * z] - ); + int idx = x + 5 * z + 5 * 5 * y; + Workspace[idx] = ClampedLerp(DensityNoiseA[idx], DensityNoiseB[idx], 8 * (ChoiceNoise[idx] + 0.5f)) + AddHeight + BaseNoise[x + 5 * z]; } } - // Linear-interpolate this XZ floor: - LinearUpscale2DArrayInPlace<17, 17, UPSCALE_X, UPSCALE_Z>(CurFloor); } + LinearUpscale3DArray<NOISE_DATATYPE>(Workspace, 5, 5, 33, m_NoiseArray, 4, 4, 8); +} + + + + + +void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) +{ + GenerateNoiseArrayIfNeeded(a_ChunkX, a_ChunkZ); - // Finish the 3D linear interpolation by interpolating between each XZ-floors on the Y axis - for (int y = 1; y < cChunkDef::Height; y++) + for (int z = 0; z < cChunkDef::Width; z++) { - if ((y % UPSCALE_Y) == 0) + for (int x = 0; x < cChunkDef::Width; x++) { - // This is the interpolation source floor, already calculated - continue; - } - int LoFloorY = (y / UPSCALE_Y) * UPSCALE_Y; - int HiFloorY = LoFloorY + UPSCALE_Y; - NOISE_DATATYPE * LoFloor = &(m_NoiseArray[LoFloorY * 17 * 17]); - NOISE_DATATYPE * HiFloor = &(m_NoiseArray[HiFloorY * 17 * 17]); - NOISE_DATATYPE * CurFloor = &(m_NoiseArray[y * 17 * 17]); - NOISE_DATATYPE Ratio = ((NOISE_DATATYPE)(y % UPSCALE_Y)) / UPSCALE_Y; - int idx = 0; - for (int z = 0; z < cChunkDef::Width; z++) + cChunkDef::SetHeight(a_HeightMap, x, z, m_SeaLevel); + for (int y = cChunkDef::Height - 1; y > m_SeaLevel; y--) + { + if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= m_AirThreshold) + { + cChunkDef::SetHeight(a_HeightMap, x, z, y); + break; + } + } // for y + } // for x + } // for z +} + + + + + +void cNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) +{ + GenerateNoiseArrayIfNeeded(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()); + + a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0); + + // Make basic terrain composition: + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) { - for (int x = 0; x < cChunkDef::Width; x++) + int LastAir = a_ChunkDesc.GetHeight(x, z) + 1; + bool HasHadWater = false; + for (int y = LastAir; y < m_SeaLevel; y++) { - CurFloor[idx] = LoFloor[idx] + (HiFloor[idx] - LoFloor[idx]) * Ratio; - idx += 1; + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STATIONARY_WATER); } - idx += 1; // Skipping one X column + for (int y = LastAir - 1; y > 0; y--) + { + if (m_NoiseArray[x + 17 * z + 17 * 17 * y] > m_AirThreshold) + { + // "air" part + LastAir = y; + if (y < m_SeaLevel) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STATIONARY_WATER); + HasHadWater = true; + } + continue; + } + // "ground" part: + if (LastAir - y > 4) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STONE); + continue; + } + if (HasHadWater) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_SAND); + } + else + { + a_ChunkDesc.SetBlockType(x, y, z, (LastAir == y + 1) ? E_BLOCK_GRASS : E_BLOCK_DIRT); + } + } // for y + a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK); + } // for x + } // for z +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cBiomalNoise3DComposable: + +cBiomalNoise3DComposable::cBiomalNoise3DComposable(int a_Seed, cBiomeGenPtr a_BiomeGen) : + m_ChoiceNoise(a_Seed), + m_DensityNoiseA(a_Seed + 1), + m_DensityNoiseB(a_Seed + 2), + m_BaseNoise(a_Seed + 3), + m_BiomeGen(a_BiomeGen) +{ + // Generate the weight distribution for summing up neighboring biomes: + m_WeightSum = 0; + for (int z = 0; z <= AVERAGING_SIZE * 2; z++) + { + for (int x = 0; x <= AVERAGING_SIZE * 2; x++) + { + m_Weight[z][x] = static_cast<NOISE_DATATYPE>((5 - std::abs(5 - x)) + (5 - std::abs(5 - z))); + m_WeightSum += m_Weight[z][x]; } } +} - // The noise array is now fully interpolated - /* - // DEBUG: Output two images of the array, sliced by XY and XZ: - cFile f1; - if (f1.Open(Printf("Chunk_%d_%d_XY.raw", a_ChunkX, a_ChunkZ), cFile::fmWrite)) + + + + +void cBiomalNoise3DComposable::Initialize(cIniFile & a_IniFile) +{ + // Params: + // The defaults generate extreme hills terrain + m_SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DSeaLevel", 62); + m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyX", 40); + m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyY", 40); + m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyZ", 40); + m_BaseFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseFrequencyX", 40); + m_BaseFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseFrequencyZ", 40); + m_ChoiceFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyX", 40); + m_ChoiceFrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyY", 80); + m_ChoiceFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyZ", 40); + m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DAirThreshold", 0); + int NumChoiceOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumChoiceOctaves", 4); + int NumDensityOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumDensityOctaves", 6); + int NumBaseOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumBaseOctaves", 6); + NOISE_DATATYPE BaseNoiseAmplitude = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseAmplitude", 1); + + // Add octaves for the choice noise: + NOISE_DATATYPE wavlen = 1, ampl = 0.5; + for (int i = 0; i < NumChoiceOctaves; i++) { - for (int z = 0; z < cChunkDef::Width; z++) + m_ChoiceNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the density noises: + wavlen = 1, ampl = 1; + for (int i = 0; i < NumDensityOctaves; i++) + { + m_DensityNoiseA.AddOctave(wavlen, ampl); + m_DensityNoiseB.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the base noise: + wavlen = 1, ampl = BaseNoiseAmplitude; + for (int i = 0; i < NumBaseOctaves; i++) + { + m_BaseNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } +} + + + + + +void cBiomalNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ) +{ + if ((a_ChunkX == m_LastChunkX) && (a_ChunkZ == m_LastChunkZ)) + { + // The noise for this chunk is already generated in m_NoiseArray + return; + } + m_LastChunkX = a_ChunkX; + m_LastChunkZ = a_ChunkZ; + + // Calculate the parameters for the biomes: + ChunkParam MidPoint; + ChunkParam HeightAmp; + CalcBiomeParamArrays(a_ChunkX, a_ChunkZ, HeightAmp, MidPoint); + + // Generate all the noises: + NOISE_DATATYPE ChoiceNoise[5 * 5 * 33]; + NOISE_DATATYPE Workspace[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseA[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseB[5 * 5 * 33]; + NOISE_DATATYPE BaseNoise[5 * 5]; + NOISE_DATATYPE BlockX = static_cast<NOISE_DATATYPE>(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE BlockZ = static_cast<NOISE_DATATYPE>(a_ChunkZ * cChunkDef::Width); + // Note that we have to swap the coords, because noise generator uses [x + SizeX * y + SizeX * SizeY * z] ordering and we want "BlockY" to be "z": + m_ChoiceNoise.Generate3D (ChoiceNoise, 5, 5, 33, BlockX / m_ChoiceFrequencyX, (BlockX + 17) / m_ChoiceFrequencyX, BlockZ / m_ChoiceFrequencyZ, (BlockZ + 17) / m_ChoiceFrequencyZ, 0, 257 / m_ChoiceFrequencyY, Workspace); + m_DensityNoiseA.Generate3D(DensityNoiseA, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_DensityNoiseB.Generate3D(DensityNoiseB, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_BaseNoise.Generate2D (BaseNoise, 5, 5, BlockX / m_BaseFrequencyX, (BlockX + 17) / m_BaseFrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, Workspace); + + // Calculate the final noise based on the partial noises: + for (int y = 0; y < 33; y++) + { + NOISE_DATATYPE BlockHeight = static_cast<NOISE_DATATYPE>(y * 8); + for (int z = 0; z < 5; z++) { - for (int y = 0; y < cChunkDef::Height; y++) + for (int x = 0; x < 5; x++) { - int idx = y * 17 * 17 + z * 17; - unsigned char buf[16]; - for (int x = 0; x < cChunkDef::Width; x++) + NOISE_DATATYPE AddHeight = (BlockHeight - MidPoint[x + 5 * z]) * HeightAmp[x + 5 * z]; + + // If "underground", make the terrain smoother by forcing the vertical linear gradient into steeper slope: + if (AddHeight < 0) { - buf[x] = (unsigned char)(std::min(256, std::max(0, (int)(128 + 128 * m_Noise[idx++])))); + AddHeight *= 4; } - f1.Write(buf, 16); - } // for y - } // for z - } // if (XY file open) - cFile f2; - if (f2.Open(Printf("Chunk_%d_%d_XZ.raw", a_ChunkX, a_ChunkZ), cFile::fmWrite)) + int idx = x + 5 * z + 5 * 5 * y; + Workspace[idx] = ClampedLerp(DensityNoiseA[idx], DensityNoiseB[idx], 8 * (ChoiceNoise[idx] + 0.5f)) + AddHeight + BaseNoise[x + 5 * z]; + } + } + } + LinearUpscale3DArray<NOISE_DATATYPE>(Workspace, 5, 5, 33, m_NoiseArray, 4, 4, 8); +} + + + + + +void cBiomalNoise3DComposable::CalcBiomeParamArrays(int a_ChunkX, int a_ChunkZ, ChunkParam & a_HeightAmp, ChunkParam & a_MidPoint) +{ + // Generate the 3*3 chunks of biomes around this chunk: + cChunkDef::BiomeMap neighborBiomes[3 * 3]; + for (int z = 0; z < 3; z++) { - for (int y = 0; y < cChunkDef::Height; y++) + for (int x = 0; x < 3; x++) { - for (int z = 0; z < cChunkDef::Width; z++) + m_BiomeGen->GenBiomes(a_ChunkX + x - 1, a_ChunkZ + z - 1, neighborBiomes[x + 3 * z]); + } + } + + // Sum up the biome values: + for (int z = 0; z < 5; z++) + { + for (int x = 0; x < 5; x++) + { + NOISE_DATATYPE totalHeightAmp = 0; + NOISE_DATATYPE totalMidPoint = 0; + // Add up the biomes around this point: + for (int relz = 0; relz <= AVERAGING_SIZE * 2; ++relz) { - int idx = y * 17 * 17 + z * 17; - unsigned char buf[16]; - for (int x = 0; x < cChunkDef::Width; x++) + int colz = 16 + z * 4 + relz - AVERAGING_SIZE; // Biome Z coord relative to the neighborBiomes start + int neicellz = colz / 16; // Chunk Z coord relative to the neighborBiomes start + int neirelz = colz % 16; // Biome Z coord relative to cz in neighborBiomes + for (int relx = 0; relx <= AVERAGING_SIZE * 2; ++relx) { - buf[x] = (unsigned char)(std::min(256, std::max(0, (int)(128 + 128 * m_Noise[idx++])))); - } - f2.Write(buf, 16); - } // for z - } // for y - } // if (XZ file open) - */ + int colx = 16 + x * 4 + relx - AVERAGING_SIZE; // Biome X coord relative to the neighborBiomes start + int neicellx = colx / 16; // Chunk X coord relative to the neighborBiomes start + int neirelx = colx % 16; // Biome X coord relative to cz in neighborBiomes + EMCSBiome biome = cChunkDef::GetBiome(neighborBiomes[neicellx + neicellz * 3], neirelx, neirelz); + NOISE_DATATYPE heightAmp, midPoint; + GetBiomeParams(biome, heightAmp, midPoint); + totalHeightAmp += heightAmp * m_Weight[relz][relx]; + totalMidPoint += midPoint * m_Weight[relz][relx]; + } // for relx + } // for relz + a_HeightAmp[x + 5 * z] = totalHeightAmp / m_WeightSum; + a_MidPoint[x + 5 * z] = totalMidPoint / m_WeightSum; + } // for x + } // for z } -void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) +void cBiomalNoise3DComposable::GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE & a_HeightAmp, NOISE_DATATYPE & a_MidPoint) +{ + switch (a_Biome) + { + case biBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biBirchForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biBirchForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biBirchForestHillsM: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biBirchForestM: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biColdBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biDesertHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biDeepOcean: a_HeightAmp = 0.17f; a_MidPoint = 35; break; + case biDesert: a_HeightAmp = 0.29f; a_MidPoint = 62; break; + case biEnd: a_HeightAmp = 0.15f; a_MidPoint = 64; break; + case biExtremeHills: a_HeightAmp = 0.045f; a_MidPoint = 75; break; + case biExtremeHillsPlus: a_HeightAmp = 0.04f; a_MidPoint = 80; break; + case biFlowerForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biFrozenRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break; + case biFrozenOcean: a_HeightAmp = 0.17f; a_MidPoint = 47; break; + case biIceMountains: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biIcePlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biIcePlainsSpikes: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biJungle: a_HeightAmp = 0.1f; a_MidPoint = 63; break; + case biJungleHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biJungleM: a_HeightAmp = 0.1f; a_MidPoint = 63; break; + case biMegaSpruceTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biMegaTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biMushroomShore: a_HeightAmp = 0.15f; a_MidPoint = 15; break; + case biOcean: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biPlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break; + case biSwampland: a_HeightAmp = 0.25f; a_MidPoint = 59; break; + case biSwamplandM: a_HeightAmp = 0.11f; a_MidPoint = 59; break; + case biTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + + /* + // Still missing: + case biColdTaiga: a_HeightAmp = 0.15f; a_MidPoint = 30; break; + case biColdTaigaHills: a_HeightAmp = 0.15f; a_MidPoint = 31; break; + case biColdTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biDesertM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biExtremeHillsEdge: a_HeightAmp = 0.15f; a_MidPoint = 20; break; + case biExtremeHillsM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biExtremeHillsPlusM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biJungleEdge: a_HeightAmp = 0.15f; a_MidPoint = 23; break; + case biJungleEdgeM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMegaSpruceTaiga: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMegaTaiga: a_HeightAmp = 0.15f; a_MidPoint = 32; break; + case biMesa: a_HeightAmp = 0.15f; a_MidPoint = 37; break; + case biMesaBryce: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMesaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 39; break; + case biMesaPlateauF: a_HeightAmp = 0.15f; a_MidPoint = 38; break; + case biMesaPlateauFM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMesaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMushroomIsland: a_HeightAmp = 0.15f; a_MidPoint = 14; break; + case biNether: a_HeightAmp = 0.15f; a_MidPoint = 68; break; + case biRoofedForest: a_HeightAmp = 0.15f; a_MidPoint = 29; break; + case biRoofedForestM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biSavanna: a_HeightAmp = 0.15f; a_MidPoint = 35; break; + case biSavannaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biSavannaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 36; break; + case biSavannaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biStoneBeach: a_HeightAmp = 0.15f; a_MidPoint = 25; break; + case biSunflowerPlains: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biTaiga: a_HeightAmp = 0.15f; a_MidPoint = 65; break; + case biTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + */ + + default: + { + // Make a crazy terrain so that it stands out + a_HeightAmp = 0.001f; + a_MidPoint = 90; + break; + } + } +} + + + + + +void cBiomalNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) { GenerateNoiseArrayIfNeeded(a_ChunkX, a_ChunkZ); @@ -520,7 +926,7 @@ void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Hei -void cNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) +void cBiomalNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) { GenerateNoiseArrayIfNeeded(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()); diff --git a/src/Generating/Noise3DGenerator.h b/src/Generating/Noise3DGenerator.h index 42f61a854..07767ba84 100644 --- a/src/Generating/Noise3DGenerator.h +++ b/src/Generating/Noise3DGenerator.h @@ -1,7 +1,11 @@ // Noise3DGenerator.h -// Generates terrain using 3D noise, rather than composing. Is a test. +// Declares cNoise3DGenerator and cNoise3DComposable classes, representing 3D-noise-based generators. +// They generate terrain shape by combining a lerp of two 3D noises with a vertical linear gradient +// cNoise3DGenerator is obsolete and unmaintained. +// cNoise3DComposable is used to test parameter combinations for single-biome worlds. + @@ -9,7 +13,8 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" +#include "../Noise/InterpolNoise.h" @@ -30,17 +35,20 @@ public: protected: // Linear interpolation step sizes, must be divisors of cChunkDef::Width and cChunkDef::Height, respectively: - static const int UPSCALE_X = 8; - static const int UPSCALE_Y = 4; - static const int UPSCALE_Z = 8; + static const int UPSCALE_X = 4; + static const int UPSCALE_Y = 8; + static const int UPSCALE_Z = 4; // Linear interpolation buffer dimensions, calculated from the step sizes: static const int DIM_X = 1 + cChunkDef::Width / UPSCALE_X; static const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y; static const int DIM_Z = 1 + cChunkDef::Width / UPSCALE_Z; - cPerlinNoise m_Perlin; // The base 3D noise source for the actual composition - cCubicNoise m_Cubic; // The noise used for heightmap directing + /** The base 3D noise source for the actual composition */ + cOctavedNoise<cInterp5DegNoise> m_Perlin; + + /** The noise used for heightmap directing. */ + cOctavedNoise<cInterp5DegNoise> m_Cubic; int m_SeaLevel; NOISE_DATATYPE m_HeightAmplification; @@ -74,31 +82,147 @@ public: void Initialize(cIniFile & a_IniFile); protected: - cNoise m_Noise1; - cNoise m_Noise2; - cNoise m_Noise3; + /** The noise that is used to choose between density noise A and B. */ + cPerlinNoise m_ChoiceNoise; + + /** Density 3D noise, variant A. */ + cPerlinNoise m_DensityNoiseA; + + /** Density 3D noise, variant B. */ + cPerlinNoise m_DensityNoiseB; + + /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ + cPerlinNoise m_BaseNoise; - int m_SeaLevel; + /** Block height of the sealevel, used for composing the terrain. */ + int m_SeaLevel; + + /** The main parameter of the generator, specifies the slope of the vertical linear gradient. + A higher value means a steeper slope and a smaller total amplitude of the generated terrain. */ NOISE_DATATYPE m_HeightAmplification; - NOISE_DATATYPE m_MidPoint; // Where the vertical "center" of the noise should be + + /** Where the vertical "center" of the noise should be, as block height. */ + NOISE_DATATYPE m_MidPoint; + + // Frequency of the 3D noise's first octave: + NOISE_DATATYPE m_FrequencyX; + NOISE_DATATYPE m_FrequencyY; + NOISE_DATATYPE m_FrequencyZ; + + // Frequency of the base terrain noise: + NOISE_DATATYPE m_BaseFrequencyX; + NOISE_DATATYPE m_BaseFrequencyZ; + + // Frequency of the choice noise: + NOISE_DATATYPE m_ChoiceFrequencyX; + NOISE_DATATYPE m_ChoiceFrequencyY; + NOISE_DATATYPE m_ChoiceFrequencyZ; + + // Threshold for when the values are considered air: + NOISE_DATATYPE m_AirThreshold; + + // Cache for the last calculated chunk (reused between heightmap and composition queries): + int m_LastChunkX; + int m_LastChunkZ; + NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y + + + /** Generates the 3D noise array used for terrain generation (m_NoiseArray), unless the LastChunk coords are equal to coords given */ + void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ); + + // cTerrainHeightGen overrides: + virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; + virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } +} ; + + + + + +class cBiomalNoise3DComposable : + public cTerrainHeightGen, + public cTerrainCompositionGen +{ +public: + cBiomalNoise3DComposable(int a_Seed, cBiomeGenPtr a_BiomeGen); + + void Initialize(cIniFile & a_IniFile); + +protected: + /** Number of columns around the pixel to query for biomes for averaging. */ + static const int AVERAGING_SIZE = 5; + + /** Type used for a single parameter across the entire (downscaled) chunk. */ + typedef NOISE_DATATYPE ChunkParam[5 * 5]; + + + /** The noise that is used to choose between density noise A and B. */ + cPerlinNoise m_ChoiceNoise; + + /** Density 3D noise, variant A. */ + cPerlinNoise m_DensityNoiseA; + + /** Density 3D noise, variant B. */ + cPerlinNoise m_DensityNoiseB; + + /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ + cPerlinNoise m_BaseNoise; + + /** The underlying biome generator. */ + cBiomeGenPtr m_BiomeGen; + + /** Block height of the sealevel, used for composing the terrain. */ + int m_SeaLevel; + + // Frequency of the 3D noise's first octave: NOISE_DATATYPE m_FrequencyX; NOISE_DATATYPE m_FrequencyY; NOISE_DATATYPE m_FrequencyZ; + + // Frequency of the base terrain noise: + NOISE_DATATYPE m_BaseFrequencyX; + NOISE_DATATYPE m_BaseFrequencyZ; + + // Frequency of the choice noise: + NOISE_DATATYPE m_ChoiceFrequencyX; + NOISE_DATATYPE m_ChoiceFrequencyY; + NOISE_DATATYPE m_ChoiceFrequencyZ; + + // Threshold for when the values are considered air: NOISE_DATATYPE m_AirThreshold; + // Cache for the last calculated chunk (reused between heightmap and composition queries): int m_LastChunkX; int m_LastChunkZ; NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y + + /** Weights for summing up neighboring biomes. */ + NOISE_DATATYPE m_Weight[AVERAGING_SIZE * 2 + 1][AVERAGING_SIZE * 2 + 1]; + + /** The sum of m_Weight[]. */ + NOISE_DATATYPE m_WeightSum; - /// Generates the 3D noise array used for terrain generation, unless the LastChunk coords are equal to coords given + /** Generates the 3D noise array used for terrain generation (m_NoiseArray), unless the LastChunk coords are equal to coords given */ void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ); + + /** Calculates the biome-related parameters for the chunk. */ + void CalcBiomeParamArrays(int a_ChunkX, int a_ChunkZ, ChunkParam & a_HeightAmp, ChunkParam & a_MidPoint); + + /** Returns the parameters for the specified biome. */ + void GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE & a_HeightAmp, NOISE_DATATYPE & a_MidPoint); // cTerrainHeightGen overrides: virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; + virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } // cTerrainCompositionGen overrides: virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } } ; diff --git a/src/Generating/PieceGenerator.h b/src/Generating/PieceGenerator.h index f06029280..43ffed7a2 100644 --- a/src/Generating/PieceGenerator.h +++ b/src/Generating/PieceGenerator.h @@ -20,7 +20,7 @@ Each uses a slightly different approach to generating: #include "../Defines.h" #include "../Cuboid.h" -#include "../Noise.h" +#include "../Noise/Noise.h" 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; +}; + + + + diff --git a/src/Generating/Ravines.h b/src/Generating/Ravines.h index 3e41c5ce6..b11037433 100644 --- a/src/Generating/Ravines.h +++ b/src/Generating/Ravines.h @@ -10,7 +10,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/StructGen.h b/src/Generating/StructGen.h index 906fdd722..d3b0b5544 100644 --- a/src/Generating/StructGen.h +++ b/src/Generating/StructGen.h @@ -14,7 +14,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/Trees.cpp b/src/Generating/Trees.cpp index 7fd6d6f07..be8b0cd6b 100644 --- a/src/Generating/Trees.cpp +++ b/src/Generating/Trees.cpp @@ -61,7 +61,7 @@ static const sCoords BigO3[] = static const sCoords BigO4[] = // Part of Big Jungle tree { - /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4}, + /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4}, /* -3 */ {-3, -3}, {-2, -3}, {-1, -3}, {0, -3}, {1, -3}, {2, -3}, {3, -3}, /* -2 */ {-4, -2}, {-3, -2}, {-2, -2}, {-1, -2}, {0, -2}, {1, -2}, {2, -2}, {3, -2}, {4, -2}, /* -1 */ {-4, -1}, {-3, -1}, {-2, -1}, {-1, -1}, {0, -1}, {1, -1}, {2, -1}, {3, -1}, {4, -1}, @@ -361,7 +361,109 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks) { - // TODO + int Height = 7 + a_Noise.IntNoise3DInt(a_BlockX, a_BlockY, a_BlockZ) % 4; + + // Array with possible directions for a branch to go to. + const Vector3d AvailableDirections[] = + { + { -1, 0, 0 }, { 0, 0, -1 }, + { -1, 0, 1 }, { -1, 0, -1 }, + { 1, 0, 1 }, { 1, 0, -1 }, + { 1, 0, 0 }, { 0, 0, 1 }, + + { -0.5, 0, 0 }, { 0, 0, -0.5 }, + { -0.5, 0, 0.5 }, { -0.5, 0, -0.5 }, + { 0.5, 0, 0.5 }, { 0.5, 0, -0.5 }, + { 0.5, 0, 0 }, { 0, 0, 0.5 }, + + { -1, 0.5, 0 }, { 0, 0.5, -1 }, + { -1, 0.5, 1 }, { -1, 0.5, -1 }, + { 1, 0.5, 1 }, { 1, 0.5, -1 }, + { 1, 0.5, 0 }, { 0, 0.5, 1 }, + + { -0.5, 0.5, 0 }, { 0, 0.5, -0.5 }, + { -0.5, 0.5, 0.5 }, { -0.5, 0.5, -0.5 }, + { 0.5, 0.5, 0.5 }, { 0.5, 0.5, -0.5 }, + { 0.5, 0.5, 0 }, { 0, 0.5, 0.5 }, + + }; + + // Create branches + for (int i = 4; i < Height; i++) + { + // Get a direction for the trunk to go to. + Vector3d BranchStartDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY + i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)]; + Vector3d BranchDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY / i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)] / 3; + + int BranchLength = 2 + a_Noise.IntNoise3DInt(a_BlockX * a_Seq, a_BlockY * a_Seq, a_BlockZ * a_Seq) % 3; + GetLargeAppleTreeBranch(a_BlockX, a_BlockY + i, a_BlockZ, BranchLength, BranchStartDirection, BranchDirection, a_BlockY + Height, a_Noise, a_LogBlocks); + } + + // Place leaves around each log block + for (auto itr : a_LogBlocks) + { + // Get the log's X and Z coordinates + int X = itr.ChunkX * 16 + itr.x; + int Z = itr.ChunkZ * 16 + itr.z; + + a_OtherBlocks.push_back(sSetBlock(X, itr.y - 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE)); + PushCoordBlocks(X, itr.y - 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + for (int y = -1; y <= 1; y++) + { + PushCoordBlocks (X, itr.y + y, Z, a_OtherBlocks, BigO2, ARRAYCOUNT(BigO2), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + } + PushCoordBlocks(X, itr.y + 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + a_OtherBlocks.push_back(sSetBlock(X, itr.y + 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE)); + } + + // Trunk: + for (int i = 0; i < Height; i++) + { + a_LogBlocks.push_back(sSetBlock(a_BlockX, a_BlockY + i, a_BlockZ, E_BLOCK_LOG, E_META_LOG_APPLE)); + } +} + + + + + +void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks) +{ + Vector3d CurrentPos = Vector3d(a_BlockX, a_BlockY, a_BlockZ); + Vector3d Direction = a_StartDirection; + for (int i = 0; i < a_BranchLength; i++) + { + CurrentPos += Direction; + if (CurrentPos.y >= a_TreeHeight) + { + return; + } + Direction -= a_Direction; + Direction.clamp(-1.0, 1.0); + a_LogBlocks.push_back(sSetBlock(FloorC(CurrentPos.x), FloorC(CurrentPos.y), FloorC(CurrentPos.z), E_BLOCK_LOG, GetLogMetaFromDirection(E_META_LOG_APPLE, Direction))); + } +} + + + + + +NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction) +{ + a_Direction.abs(); + + if ((a_Direction.y > a_Direction.x) && (a_Direction.y > a_Direction.z)) + { + return a_BlockMeta; + } + else if (a_Direction.x > a_Direction.z) + { + return a_BlockMeta + 4; + } + else + { + return a_BlockMeta + 8; + } } diff --git a/src/Generating/Trees.h b/src/Generating/Trees.h index c9eb7de80..a2c8274f5 100644 --- a/src/Generating/Trees.h +++ b/src/Generating/Trees.h @@ -18,7 +18,7 @@ logs can overwrite others(leaves), but others shouldn't overwrite logs. This is #pragma once #include "../ChunkDef.h" -#include "../Noise.h" +#include "../Noise/Noise.h" @@ -62,6 +62,12 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a /// Generates an image of a large (branching) apple tree void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); +/// Generates a branch for a large apple tree +void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks); + +/// Returns the meta for a log from the given direction +NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction); + /// Generates an image of a random birch tree void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); |