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author | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2014-12-13 13:11:01 +0100 |
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committer | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2014-12-13 13:11:01 +0100 |
commit | 4b20a615192baeb5ef0a04a10161a03428cda8cd (patch) | |
tree | c6f25102267b0cc4a444f6e746679405948142b0 /src/Generating/ShapeGen.cpp | |
parent | Fixed compilation? (diff) | |
parent | Merge pull request #1660 from Seadragon91/master (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/Generating/ShapeGen.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/Generating/ShapeGen.cpp b/src/Generating/ShapeGen.cpp new file mode 100644 index 000000000..45a9c3b93 --- /dev/null +++ b/src/Generating/ShapeGen.cpp @@ -0,0 +1,145 @@ + +// ShapeGen.cpp + +// Implements the function to create a cTerrainShapeGen descendant based on INI file settings + +#include "Globals.h" +#include "HeiGen.h" +#include "../IniFile.h" +#include "DistortedHeightmap.h" +#include "EndGen.h" +#include "Noise3DGenerator.h" +#include "TwoHeights.h" + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cTerrainHeightToShapeGen: + +/** Converts old-style height-generators into new-style shape-generators. */ +class cTerrainHeightToShapeGen: + public cTerrainShapeGen +{ +public: + cTerrainHeightToShapeGen(cTerrainHeightGenPtr a_HeightGen): + m_HeightGen(a_HeightGen) + { + } + + + // cTerrainShapeGen overrides: + virtual void GenShape(int a_ChunkX, int a_ChunkZ, cChunkDesc::Shape & a_Shape) override + { + // Generate the heightmap: + cChunkDef::HeightMap heightMap; + m_HeightGen->GenHeightMap(a_ChunkX, a_ChunkZ, heightMap); + + // Convert from heightmap to shape: + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + HEIGHTTYPE height = cChunkDef::GetHeight(heightMap, x, z) + 1; + Byte * shapeColumn = &(a_Shape[(x + 16 * z) * 256]); + for (int y = 0; y < height; y++) + { + shapeColumn[y] = 1; + } + for (int y = height; y < cChunkDef::Height; y++) + { + shapeColumn[y] = 0; + } + } // for x + } // for z + } + + + virtual void InitializeShapeGen(cIniFile & a_IniFile) override + { + m_HeightGen->InitializeHeightGen(a_IniFile); + } + +protected: + /** The height generator being converted. */ + cTerrainHeightGenPtr m_HeightGen; +}; + +typedef SharedPtr<cTerrainHeightToShapeGen> cTerrainHeightToShapeGenPtr; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cTerrainShapeGen: + +cTerrainShapeGenPtr cTerrainShapeGen::CreateShapeGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault) +{ + AString shapeGenName = a_IniFile.GetValueSet("Generator", "ShapeGen", ""); + if (shapeGenName.empty()) + { + LOGWARN("[Generator] ShapeGen value not set in world.ini, using \"BiomalNoise3D\"."); + shapeGenName = "BiomalNoise3D"; + } + + // If the shapegen is HeightMap, redirect to older HeightMap-based generators: + if (NoCaseCompare(shapeGenName, "HeightMap") == 0) + { + cTerrainHeightGenPtr heightGen = cTerrainHeightGen::CreateHeightGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault); + if (heightGen != nullptr) + { + return std::make_shared<cTerrainHeightToShapeGen>(heightGen); + } + + // The height gen was not recognized; several heightgens were promoted to shape gens, so let's try them instead: + shapeGenName = a_IniFile.GetValue("Generator", "HeightGen", ""); + if (shapeGenName.empty()) + { + LOGWARNING("[Generator] ShapeGen set to HeightMap, but HeightGen not set. Reverting to \"BiomalNoise3D\"."); + shapeGenName = "BiomalNoise3D"; + a_IniFile.SetValue("Generator", "ShapeGen", shapeGenName); + } + } + + // Choose the shape generator based on the name: + a_CacheOffByDefault = false; + cTerrainShapeGenPtr res; + if (NoCaseCompare(shapeGenName, "DistortedHeightmap") == 0) + { + res = std::make_shared<cDistortedHeightmap>(a_Seed, a_BiomeGen); + } + else if (NoCaseCompare(shapeGenName, "End") == 0) + { + res = std::make_shared<cEndGen>(a_Seed); + } + else if (NoCaseCompare(shapeGenName, "BiomalNoise3D") == 0) + { + res = std::make_shared<cBiomalNoise3DComposable>(a_Seed, a_BiomeGen); + } + else if (NoCaseCompare(shapeGenName, "Noise3D") == 0) + { + res = std::make_shared<cNoise3DComposable>(a_Seed); + } + else if (NoCaseCompare(shapeGenName, "TwoHeights") == 0) + { + res = CreateShapeGenTwoHeights(a_Seed, a_BiomeGen); + } + else + { + // No match found, force-set the default and retry + LOGWARN("Unknown ShapeGen \"%s\", using \"BiomalNoise3D\" instead.", shapeGenName.c_str()); + a_IniFile.SetValue("Generator", "ShapeGen", "BiomalNoise3D"); + return CreateShapeGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault); + } + + // Read the settings: + res->InitializeShapeGen(a_IniFile); + + return res; +} + + + + |