From ca296837386f428c50206ccdea4ba63ce014f8a3 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Mon, 3 Nov 2014 08:17:19 +0100 Subject: HeiGen: Moved construction to the end of file. This will allow us to define generators in the cpp file instead of needing them in the header, thus speeding up compilation on changes. --- src/Generating/HeiGen.cpp | 150 +++++++++++++++++++++++----------------------- 1 file changed, 75 insertions(+), 75 deletions(-) (limited to 'src/Generating/HeiGen.cpp') diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index f4e231470..f7a26544c 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -16,81 +16,6 @@ -//////////////////////////////////////////////////////////////////////////////// -// 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: @@ -611,3 +536,78 @@ NOISE_DATATYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, +//////////////////////////////////////////////////////////////////////////////// +// 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); +} + + + + + -- cgit v1.2.3 From f239a28d0661cbcfa7480d81008bb66607e55742 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Tue, 4 Nov 2014 08:40:23 +0100 Subject: Added MinMax height generator. Fixes #1578. --- src/Generating/HeiGen.cpp | 207 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 207 insertions(+) (limited to 'src/Generating/HeiGen.cpp') diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index f7a26544c..de97bc1a0 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -536,6 +536,209 @@ 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); + m_Perlin.AddOctave(0.005f, 0.025f); + m_Perlin.AddOctave(0.0025f, 0.0125f); + } + + + 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(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE endX = startX + cChunkDef::Width - 1; + NOISE_DATATYPE startZ = static_cast(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(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: @@ -567,6 +770,10 @@ cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cB { 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); -- cgit v1.2.3 From 7d2b2f90b6190d8fb5280ba0dd43671cd3012f20 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Tue, 4 Nov 2014 08:41:18 +0100 Subject: MinMax heigen: Reduced the number of octaves. They didn't affect the terrain that much anyway. --- src/Generating/HeiGen.cpp | 2 -- 1 file changed, 2 deletions(-) (limited to 'src/Generating/HeiGen.cpp') diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index de97bc1a0..28a5698e4 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -567,8 +567,6 @@ public: m_Perlin.AddOctave(0.04f, 0.2f); m_Perlin.AddOctave(0.02f, 0.1f); m_Perlin.AddOctave(0.01f, 0.05f); - m_Perlin.AddOctave(0.005f, 0.025f); - m_Perlin.AddOctave(0.0025f, 0.0125f); } -- cgit v1.2.3 From 4b95f7c69a1b3a3aac8855d5e026238ed0f61fa7 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Mon, 10 Nov 2014 17:00:14 +0100 Subject: Added BiomalNoise3D shape generator. --- src/Generating/HeiGen.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/Generating/HeiGen.cpp') diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index 28a5698e4..1d9f1e3aa 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -776,6 +776,10 @@ cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cB { 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); -- cgit v1.2.3