diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Generating/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/Generating/CompoGen.cpp | 2 | ||||
| -rw-r--r-- | src/Generating/CompoGen.h | 1 | ||||
| -rw-r--r-- | src/Generating/CompoGenBiomal.cpp | 214 | ||||
| -rw-r--r-- | src/Generating/ComposableGenerator.cpp | 13 | ||||
| -rw-r--r-- | src/Generating/CompositedHeiGen.h | 49 | ||||
| -rw-r--r-- | src/Generating/HeiGen.cpp | 45 | ||||
| -rw-r--r-- | src/Generating/HeiGen.h | 32 | ||||
| -rw-r--r-- | src/Generating/StructGen.cpp | 1 |
9 files changed, 141 insertions, 217 deletions
diff --git a/src/Generating/CMakeLists.txt b/src/Generating/CMakeLists.txt index 047452bbb..dcb4bb3a7 100644 --- a/src/Generating/CMakeLists.txt +++ b/src/Generating/CMakeLists.txt @@ -42,6 +42,7 @@ SET (HDRS CompoGen.h CompoGenBiomal.h ComposableGenerator.h + CompositedHeiGen.h DistortedHeightmap.h DungeonRoomsFinisher.h EndGen.h diff --git a/src/Generating/CompoGen.cpp b/src/Generating/CompoGen.cpp index ef13b7c6b..db43e34b6 100644 --- a/src/Generating/CompoGen.cpp +++ b/src/Generating/CompoGen.cpp @@ -417,6 +417,7 @@ void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc:: // Use the cached data: memcpy(a_ChunkDesc.GetBlockTypes(), m_CacheData[Idx].m_BlockTypes, sizeof(a_ChunkDesc.GetBlockTypes())); memcpy(a_ChunkDesc.GetBlockMetasUncompressed(), m_CacheData[Idx].m_BlockMetas, sizeof(a_ChunkDesc.GetBlockMetasUncompressed())); + memcpy(a_ChunkDesc.GetHeightMap(), m_CacheData[Idx].m_HeightMap, sizeof(a_ChunkDesc.GetHeightMap())); m_NumHits++; m_TotalChain += i; @@ -436,6 +437,7 @@ void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc:: m_CacheOrder[0] = Idx; memcpy(m_CacheData[Idx].m_BlockTypes, a_ChunkDesc.GetBlockTypes(), sizeof(a_ChunkDesc.GetBlockTypes())); memcpy(m_CacheData[Idx].m_BlockMetas, a_ChunkDesc.GetBlockMetasUncompressed(), sizeof(a_ChunkDesc.GetBlockMetasUncompressed())); + memcpy(m_CacheData[Idx].m_HeightMap, a_ChunkDesc.GetHeightMap(), sizeof(a_ChunkDesc.GetHeightMap())); m_CacheData[Idx].m_ChunkX = ChunkX; m_CacheData[Idx].m_ChunkZ = ChunkZ; } diff --git a/src/Generating/CompoGen.h b/src/Generating/CompoGen.h index 16c00c13d..03df0cf25 100644 --- a/src/Generating/CompoGen.h +++ b/src/Generating/CompoGen.h @@ -132,6 +132,7 @@ protected: int m_ChunkZ; cChunkDef::BlockTypes m_BlockTypes; cChunkDesc::BlockNibbleBytes m_BlockMetas; // The metas are uncompressed, 1 meta per byte + cChunkDef::HeightMap m_HeightMap; } ; // To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data diff --git a/src/Generating/CompoGenBiomal.cpp b/src/Generating/CompoGenBiomal.cpp index 1e3363606..0bb7f4802 100644 --- a/src/Generating/CompoGenBiomal.cpp +++ b/src/Generating/CompoGenBiomal.cpp @@ -570,220 +570,6 @@ protected: return patDirt.Get(); } } - - - - #if 0 - /** Fills a single column with grass-based terrain (grass or water, dirt, stone). */ - void FillColumnGrass(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - static const PatternItem pattern[] = - { - { E_BLOCK_GRASS, 0}, - { E_BLOCK_DIRT, 0}, - { E_BLOCK_DIRT, 0}, - { E_BLOCK_DIRT, 0}, - } ; - FillColumnPattern(a_RelX, a_RelZ, a_ShapeColumn, a_ChunkDesc, pattern, ARRAYCOUNT(pattern)); - } - - - - /** Fills a single column with grass-based terrain (grass or water, dirt, stone). */ - void FillColumnStone(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - static const PatternItem pattern[] = - { - { E_BLOCK_STONE, 0}, - } ; - FillColumnPattern(a_RelX, a_RelZ, a_ShapeColumn, a_ChunkDesc, pattern, ARRAYCOUNT(pattern)); - } - - - - /** Fills a single column with Mesa-like terrain (variations of clay). */ - void FillColumnMesa(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - // Fill with grass and dirt on the very top of mesa plateaus: - size_t curIdx = 0; - for (int y = 255; y > m_MesaDirtLevel; y--) - { - if (a_ShapeColumn[y] > 0) - { - a_ChunkDesc.SetBlockType(a_RelX, y, a_RelZ, (curIdx > 0) ? E_BLOCK_DIRT : E_BLOCK_GRASS); - curIdx += 1; - } - else - { - curIdx = 0; - } - } // for y - - // Fill with clays from the DirtLevel down to SandLevel: - for (int y = m_MesaDirtLevel; y > m_MesaSandLevel; y--) - { - if (a_ShapeColumn[y] > 0) - { - a_ChunkDesc.SetBlockTypeMeta(a_RelX, y, a_RelZ, m_MesaPattern[y].m_BlockType, m_MesaPattern[y].m_BlockMeta); - } - else - { - curIdx = 0; - } - } // for y - - // If currently air, switch to red sand pattern: - static const PatternItem redSandPattern[] = - { - { E_BLOCK_SAND, E_META_SAND_RED}, - { E_BLOCK_STAINED_CLAY, E_META_STAINED_CLAY_ORANGE}, - { E_BLOCK_STAINED_CLAY, E_META_STAINED_CLAY_ORANGE}, - { E_BLOCK_STAINED_CLAY, E_META_STAINED_CLAY_ORANGE}, - }; - Pattern pattern; - size_t patternSize; - if (curIdx == 0) - { - pattern = redSandPattern; - patternSize = ARRAYCOUNT(redSandPattern); - } - else - { - pattern = m_MesaPattern + m_MesaSandLevel; - patternSize = static_cast<size_t>(m_MesaSandLevel); - } - - // Fill with current pattern (MesaPattern or RedSand) until sealevel: - for (int y = m_MesaSandLevel; y > m_SeaLevel; y--) - { - if (a_ShapeColumn[y] > 0) - { - if (curIdx >= patternSize) - { - a_ChunkDesc.SetBlockTypeMeta(a_RelX, y, a_RelZ, E_BLOCK_STAINED_CLAY, E_META_STAINED_CLAY_ORANGE); - } - else - { - a_ChunkDesc.SetBlockTypeMeta(a_RelX, y, a_RelZ, pattern[curIdx].m_BlockType, pattern[curIdx].m_BlockMeta); - } - curIdx += 1; - } - else - { - // Air resets the pattern to red sand: - curIdx = 0; - pattern = redSandPattern; - patternSize = ARRAYCOUNT(redSandPattern); - } - } // for y - - // If there is an ocean, fill it with water and then redsand: - int y = m_SeaLevel; - for (; y > 0; y--) - { - if ((a_ShapeColumn[y] == 0) || (curIdx >= ARRAYCOUNT(redSandPattern))) - { - // water pocket or out of red sand pattern, use stone from now on - break; - } - a_ChunkDesc.SetBlockTypeMeta(a_RelX, y, a_RelZ, E_BLOCK_STAINED_CLAY, E_META_STAINED_CLAY_ORANGE); - curIdx = curIdx + 1; - } // for y - - // The rest should be filled with stone: - for (; y > 0; y--) - { - if (a_ShapeColumn[y] > 0) - { - a_ChunkDesc.SetBlockType(a_RelX, y, a_RelZ, E_BLOCK_STONE); - } - } // for y - } - - - - /** Fills a single column with megataiga-based terrain (grass or podzol on top). */ - void FillColumnMegaTaiga(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - // TODO - } - - - - /** Fills a single column with sand-based terrain (such as desert or beach). */ - void FillColumnSand(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - static const PatternItem pattern[] = - { - { E_BLOCK_SAND, 0}, - { E_BLOCK_SAND, 0}, - { E_BLOCK_SAND, 0}, - { E_BLOCK_SANDSTONE, 0}, - } ; - FillColumnPattern(a_RelX, a_RelZ, a_ShapeColumn, a_ChunkDesc, pattern, ARRAYCOUNT(pattern)); - } - - - - void FillColumnMycelium(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc) - { - static const PatternItem pattern[] = - { - { E_BLOCK_MYCELIUM, 0}, - { E_BLOCK_DIRT, 0}, - { E_BLOCK_DIRT, 0}, - { E_BLOCK_DIRT, 0}, - } ; - FillColumnPattern(a_RelX, a_RelZ, a_ShapeColumn, a_ChunkDesc, pattern, ARRAYCOUNT(pattern)); - } - - - - /** Fills the column with the specified pattern, repeating it if there's an air pocket in between. */ - void FillColumnPattern(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc, Pattern a_Pattern, size_t a_PatternSize) - { - // Fill with pattern until sealevel: - size_t curIdx = 0; - for (int y = 255; y > m_SeaLevel; y--) - { - if (a_ShapeColumn[y] > 0) - { - // Continue with the pattern: - if (curIdx >= a_PatternSize) - { - a_ChunkDesc.SetBlockType(a_RelX, y, a_RelZ, E_BLOCK_STONE); - } - else - { - a_ChunkDesc.SetBlockTypeMeta(a_RelX, y, a_RelZ, a_Pattern[curIdx].m_BlockType, a_Pattern[curIdx].m_BlockMeta); - } - curIdx += 1; - } - else - { - // Air pocket, restart the pattern: - curIdx = 0; - } - } // for y - - // From sealevel downward use the ocean floor pattern: - FillOceanFloor(a_RelX, a_RelZ, a_ShapeColumn, a_ChunkDesc, a_Pattern, a_PatternSize, curIdx); - } - - - /** Fills the blocks from sealevel down to bottom with ocean-floor pattern. - a_PatternStartOffset specifies the offset at which to start the pattern, in case there was air just above. */ - void FillOceanFloor(int a_RelX, int a_RelZ, const Byte * a_ShapeColumn, cChunkDesc & a_ChunkDesc, Pattern a_Pattern, size_t a_PatternSize, size_t a_PatternStartOffset) - { - for (int y = m_SeaLevel; y > 0; y--) - { - if (a_ShapeColumn[y] > 0) - { - // TODO - } - } // for y - } - #endif } ; diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp index 5420e12ac..4192dfa72 100644 --- a/src/Generating/ComposableGenerator.cpp +++ b/src/Generating/ComposableGenerator.cpp @@ -19,6 +19,8 @@ #include "CompoGenBiomal.h" +#include "CompositedHeiGen.h" + #include "Caves.h" #include "DistortedHeightmap.h" #include "DungeonRoomsFinisher.h" @@ -173,7 +175,6 @@ void cComposableGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a if (a_ChunkDesc.IsUsingDefaultComposition()) { m_CompositionGen->ComposeTerrain(a_ChunkDesc, shape); - ShouldUpdateHeightmap = true; } if (a_ChunkDesc.IsUsingDefaultFinish()) @@ -264,11 +265,17 @@ void cComposableGenerator::InitCompositionGen(cIniFile & a_IniFile) { m_CompositionGen = cTerrainCompositionGen::CreateCompositionGen(a_IniFile, m_BiomeGen, m_ShapeGen, m_ChunkGenerator.GetSeed()); + // Add a cache over the composition generator: + // Even a cache of size 1 is useful due to the CompositedHeiGen cache after us doing re-composition on its misses int CompoGenCacheSize = a_IniFile.GetValueSetI("Generator", "CompositionGenCacheSize", 64); - if (CompoGenCacheSize > 1) + if (CompoGenCacheSize > 0) { - m_CompositionGen = cTerrainCompositionGenPtr(new cCompoGenCache(m_CompositionGen, 32)); + m_CompositionGen = std::make_shared<cCompoGenCache>(m_CompositionGen, CompoGenCacheSize); } + + // Create a cache of the composited heightmaps, so that finishers may use it: + m_CompositedHeightCache = std::make_shared<cHeiGenMultiCache>(std::make_shared<cCompositedHeiGen>(m_ShapeGen, m_CompositionGen), 16, 24); + // 24 subcaches of depth 16 each = 96 KiB of RAM. Acceptable, for the amount of work this saves. } diff --git a/src/Generating/CompositedHeiGen.h b/src/Generating/CompositedHeiGen.h new file mode 100644 index 000000000..fa33a7861 --- /dev/null +++ b/src/Generating/CompositedHeiGen.h @@ -0,0 +1,49 @@ + +// CompositedHeiGen.h + +// Declares the cCompositedHeiGen class representing a cTerrainHeightGen descendant that calculates heightmap of the composited terrain +// This is used to further cache heightmaps for chunks already generated for finishers that require only heightmap information + + + + + +#pragma once + +#include "ComposableGenerator.h" + + + + + +class cCompositedHeiGen: + public cTerrainHeightGen +{ +public: + cCompositedHeiGen(cTerrainShapeGenPtr a_ShapeGen, cTerrainCompositionGenPtr a_CompositionGen): + m_ShapeGen(a_ShapeGen), + m_CompositionGen(a_CompositionGen) + { + } + + + + // cTerrainheightGen overrides: + virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override + { + cChunkDesc::Shape shape; + m_ShapeGen->GenShape(a_ChunkX, a_ChunkZ, shape); + cChunkDesc desc(a_ChunkX, a_ChunkZ); + desc.SetHeightFromShape(shape); + m_CompositionGen->ComposeTerrain(desc, shape); + memcpy(a_HeightMap, desc.GetHeightMap(), sizeof(a_HeightMap)); + } + +protected: + cTerrainShapeGenPtr m_ShapeGen; + cTerrainCompositionGenPtr m_CompositionGen; +}; + + + + diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index 86f934c16..61d087c17 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -150,6 +150,51 @@ bool cHeiGenCache::GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_Rel //////////////////////////////////////////////////////////////////////////////// +// cHeiGenMultiCache: + +cHeiGenMultiCache::cHeiGenMultiCache(cTerrainHeightGenPtr a_HeiGenToCache, size_t a_SubCacheSize, size_t a_NumSubCaches): + m_NumSubCaches(a_NumSubCaches) +{ + // Create the individual sub-caches: + m_SubCaches.reserve(a_NumSubCaches); + for (size_t i = 0; i < a_NumSubCaches; i++) + { + m_SubCaches.push_back(std::make_shared<cHeiGenCache>(a_HeiGenToCache, a_SubCacheSize)); + } +} + + + + + +void cHeiGenMultiCache::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) +{ + // Get the subcache responsible for this chunk: + const size_t cacheIdx = ((size_t)a_ChunkX + m_CoeffZ * (size_t)a_ChunkZ) % m_NumSubCaches; + + // Ask the subcache: + m_SubCaches[cacheIdx]->GenHeightMap(a_ChunkX, a_ChunkZ, a_HeightMap); +} + + + + + +bool cHeiGenMultiCache::GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, HEIGHTTYPE & a_Height) +{ + // Get the subcache responsible for this chunk: + const size_t cacheIdx = ((size_t)a_ChunkX + m_CoeffZ * (size_t)a_ChunkZ) % m_NumSubCaches; + + // Ask the subcache: + return m_SubCaches[cacheIdx]->GetHeightAt(a_ChunkX, a_ChunkZ, a_RelX, a_RelZ, a_Height); +} + + + + + + +//////////////////////////////////////////////////////////////////////////////// // cHeiGenClassic: cHeiGenClassic::cHeiGenClassic(int a_Seed) : diff --git a/src/Generating/HeiGen.h b/src/Generating/HeiGen.h index d91ace3bd..fe0a023e4 100644 --- a/src/Generating/HeiGen.h +++ b/src/Generating/HeiGen.h @@ -63,6 +63,38 @@ protected: +/** Caches heightmaps in multiple underlying caches to improve the distribution and lower the chain length. */ +class cHeiGenMultiCache: + public cTerrainHeightGen +{ +public: + cHeiGenMultiCache(cTerrainHeightGenPtr a_HeightGenToCache, size_t a_SubCacheSize, size_t a_NumSubCaches); + + // cTerrainHeightGen overrides: + virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; + + /** Retrieves height at the specified point in the cache, returns true if found, false if not found */ + bool GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, HEIGHTTYPE & a_Height); + +protected: + typedef SharedPtr<cHeiGenCache> cHeiGenCachePtr; + typedef std::vector<cHeiGenCachePtr> cHeiGenCachePtrs; + + + /** The coefficient used to turn Z coords into index (x + Coeff * z). */ + static const size_t m_CoeffZ = 5; + + /** Number of sub-caches, pulled out of m_SubCaches.size() for performance reasons. */ + size_t m_NumSubCaches; + + /** The individual sub-caches. */ + cHeiGenCachePtrs m_SubCaches; +}; + + + + + class cHeiGenFlat : public cTerrainHeightGen { diff --git a/src/Generating/StructGen.cpp b/src/Generating/StructGen.cpp index 1c83cf78f..ca8f0411f 100644 --- a/src/Generating/StructGen.cpp +++ b/src/Generating/StructGen.cpp @@ -42,6 +42,7 @@ void cStructGenTrees::GenFinish(cChunkDesc & a_ChunkDesc) cChunkDesc::Shape workerShape; m_BiomeGen->GenBiomes (BaseX, BaseZ, WorkerDesc.GetBiomeMap()); m_ShapeGen->GenShape (BaseX, BaseZ, workerShape); + WorkerDesc.SetHeightFromShape (workerShape); m_CompositionGen->ComposeTerrain(WorkerDesc, workerShape); } else |