From 675b4aa878f16291ce33fced48a2bc7425f635ae Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:19:41 +0000 Subject: Moved source to src --- src/Generating/CompoGen.h | 182 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 src/Generating/CompoGen.h (limited to 'src/Generating/CompoGen.h') diff --git a/src/Generating/CompoGen.h b/src/Generating/CompoGen.h new file mode 100644 index 000000000..2ee286b06 --- /dev/null +++ b/src/Generating/CompoGen.h @@ -0,0 +1,182 @@ + +// CompoGen.h + +/* Interfaces to the various terrain composition generators: + - cCompoGenSameBlock + - cCompoGenDebugBiomes + - cCompoGenClassic + - cCompoGenBiomal + - cCompoGenNether + - cCompoGenCache +*/ + + + + + +#pragma once + +#include "ComposableGenerator.h" +#include "../Noise.h" + + + + + +class cCompoGenSameBlock : + public cTerrainCompositionGen +{ +public: + cCompoGenSameBlock(void) : + m_BlockType(E_BLOCK_STONE), + m_IsBedrocked(true) + {} + +protected: + + BLOCKTYPE m_BlockType; + bool m_IsBedrocked; + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override; +} ; + + + + + +class cCompoGenDebugBiomes : + public cTerrainCompositionGen +{ +public: + cCompoGenDebugBiomes(void) {} + +protected: + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; +} ; + + + + + +class cCompoGenClassic : + public cTerrainCompositionGen +{ +public: + cCompoGenClassic(void); + +protected: + + int m_SeaLevel; + int m_BeachHeight; + int m_BeachDepth; + BLOCKTYPE m_BlockTop; + BLOCKTYPE m_BlockMiddle; + BLOCKTYPE m_BlockBottom; + BLOCKTYPE m_BlockBeach; + BLOCKTYPE m_BlockBeachBottom; + BLOCKTYPE m_BlockSea; + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override; +} ; + + + + + +class cCompoGenBiomal : + public cTerrainCompositionGen +{ +public: + cCompoGenBiomal(int a_Seed) : + m_Noise(a_Seed + 1000), + m_SeaLevel(62) + { + } + +protected: + + cNoise m_Noise; + int m_SeaLevel; + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override; + + void FillColumnGrass (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes); + void FillColumnSand (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes); + void FillColumnMycelium (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes); + void FillColumnWaterSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes); + void FillColumnWaterDirt(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes); + + void FillColumnPattern (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes, const BLOCKTYPE * a_Pattern, int a_PatternSize); +} ; + + + + + +class cCompoGenNether : + public cTerrainCompositionGen +{ +public: + cCompoGenNether(int a_Seed); + +protected: + cNoise m_Noise1; + cNoise m_Noise2; + + int m_Threshold; + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override; +} ; + + + + + +/// Caches most-recently-used chunk composition of another composition generator. Caches only the types and metas +class cCompoGenCache : + public cTerrainCompositionGen +{ +public: + cCompoGenCache(cTerrainCompositionGen & a_Underlying, int a_CacheSize); // Doesn't take ownership of a_Underlying + ~cCompoGenCache(); + + // cTerrainCompositionGen override: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override; + +protected: + + cTerrainCompositionGen & m_Underlying; + + struct sCacheData + { + int m_ChunkX; + int m_ChunkZ; + cChunkDef::BlockTypes m_BlockTypes; + cChunkDesc::BlockNibbleBytes m_BlockMetas; // The metas are uncompressed, 1 meta per byte + } ; + + // To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data + int m_CacheSize; + int * m_CacheOrder; // MRU-ized order, indices into m_CacheData array + sCacheData * m_CacheData; // m_CacheData[m_CacheOrder[0]] is the most recently used + + // Cache statistics + int m_NumHits; + int m_NumMisses; + int m_TotalChain; // Number of cache items walked to get to a hit (only added for hits) +} ; + + + + -- cgit v1.2.3