From 881ad8d8dbed920c00ea750fb809797456e0b4fc Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Sun, 23 Sep 2012 20:14:04 +0000 Subject: Source files cleanup: Generating-related files in a separate subfolder git-svn-id: http://mc-server.googlecode.com/svn/trunk@881 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- source/Generating/CompoGen.cpp | 427 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 427 insertions(+) create mode 100644 source/Generating/CompoGen.cpp (limited to 'source/Generating/CompoGen.cpp') diff --git a/source/Generating/CompoGen.cpp b/source/Generating/CompoGen.cpp new file mode 100644 index 000000000..046310d91 --- /dev/null +++ b/source/Generating/CompoGen.cpp @@ -0,0 +1,427 @@ + +// CompoGen.cpp + +/* Implements the various terrain composition generators: + - cCompoGenSameBlock + - cCompoGenDebugBiomes + - cCompoGenClassic +*/ + +#include "Globals.h" +#include "CompoGen.h" +#include "../BlockID.h" + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cCompoGenSameBlock: + +void cCompoGenSameBlock::ComposeTerrain( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // BlockTypes to be generated + cChunkDef::BlockNibbles & a_BlockMeta, // BlockMetas to be generated + const cChunkDef::HeightMap & a_HeightMap, // The height map to fit + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entitites may be generated along with the terrain + cBlockEntityList & a_BlockEntities // Block entitites may be generated (chests / furnaces / ...) +) +{ + memset(a_BlockTypes, E_BLOCK_AIR, sizeof(a_BlockTypes)); + memset(a_BlockMeta, 0, sizeof(a_BlockMeta)); + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + int Start; + if (m_IsBedrocked) + { + a_BlockTypes[cChunkDef::MakeIndex(x, 0, z)] = E_BLOCK_BEDROCK; + Start = 1; + } + else + { + Start = 0; + } + for (int y = a_HeightMap[x + cChunkDef::Width * z]; y >= Start; y--) + { + a_BlockTypes[cChunkDef::MakeIndex(x, y, z)] = m_BlockType; + } // for y + } // for z + } // for x +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cCompoGenDebugBiomes: + +void cCompoGenDebugBiomes::ComposeTerrain( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // BlockTypes to be generated + cChunkDef::BlockNibbles & a_BlockMeta, // BlockMetas to be generated + const cChunkDef::HeightMap & a_HeightMap, // The height map to fit + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entitites may be generated along with the terrain + cBlockEntityList & a_BlockEntities // Block entitites may be generated (chests / furnaces / ...) +) +{ + static BLOCKTYPE Blocks[] = + { + E_BLOCK_STONE, + E_BLOCK_COBBLESTONE, + E_BLOCK_LOG, + E_BLOCK_PLANKS, + E_BLOCK_SANDSTONE, + E_BLOCK_WHITE_CLOTH, + E_BLOCK_COAL_ORE, + E_BLOCK_IRON_ORE, + E_BLOCK_GOLD_ORE, + E_BLOCK_DIAMOND_ORE, + E_BLOCK_LAPIS_ORE, + E_BLOCK_REDSTONE_ORE, + E_BLOCK_IRON_BLOCK, + E_BLOCK_GOLD_BLOCK, + E_BLOCK_DIAMOND_BLOCK, + E_BLOCK_LAPIS_BLOCK, + E_BLOCK_BRICK, + E_BLOCK_MOSSY_COBBLESTONE, + E_BLOCK_OBSIDIAN, + E_BLOCK_NETHERRACK, + E_BLOCK_SOULSAND, + E_BLOCK_NETHER_BRICK, + E_BLOCK_BEDROCK, + } ; + + memset(a_BlockTypes, E_BLOCK_AIR, sizeof(a_BlockTypes)); + memset(a_BlockMeta, 0, sizeof(a_BlockMeta)); + + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + BLOCKTYPE BlockType = Blocks[cChunkDef::GetBiome(a_BiomeMap, x, z) % ARRAYCOUNT(Blocks)]; + for (int y = a_HeightMap[x + cChunkDef::Width * z]; y >= 0; y--) + { + cChunkDef::SetBlock(a_BlockTypes, x, y, z, BlockType); + } // for y + } // for z + } // for x +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cCompoGenClassic: + +cCompoGenClassic::cCompoGenClassic( + int a_SeaLevel, int a_BeachHeight, int a_BeachDepth, + BLOCKTYPE a_BlockTop, BLOCKTYPE a_BlockMiddle, BLOCKTYPE a_BlockBottom, + BLOCKTYPE a_BlockBeach, BLOCKTYPE a_BlockBeachBottom, BLOCKTYPE a_BlockSea +) : + m_SeaLevel(a_SeaLevel), + m_BeachHeight(a_BeachHeight), + m_BeachDepth(a_BeachDepth), + m_BlockTop(a_BlockTop), + m_BlockMiddle(a_BlockMiddle), + m_BlockBottom(a_BlockBottom), + m_BlockBeach(a_BlockBeach), + m_BlockBeachBottom(a_BlockBeachBottom), + m_BlockSea(a_BlockSea) +{ +} + + + + + +void cCompoGenClassic::ComposeTerrain( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // BlockTypes to be generated + cChunkDef::BlockNibbles & a_BlockMeta, // BlockMetas to be generated + const cChunkDef::HeightMap & a_HeightMap, // The height map to fit + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entitites may be generated along with the terrain + cBlockEntityList & a_BlockEntities // Block entitites may be generated (chests / furnaces / ...) +) +{ + /* The classic composition means: + - 1 layer of grass, 3 of dirt and the rest stone, if the height > sealevel + beachheight + - 3 sand and a 1 sandstone, rest stone if between sealevel and sealevel + beachheight + - water from waterlevel to height, then 3 sand, 1 sandstone, the rest stone, if water depth < beachdepth + - water from waterlevel, then 3 dirt, the rest stone otherwise + - bedrock at the bottom + */ + + memset(a_BlockTypes, E_BLOCK_AIR, sizeof(a_BlockTypes)); + memset(a_BlockMeta, 0, sizeof(a_BlockMeta)); + + // The patterns to use for different situations, must be same length! + static const BLOCKTYPE PatternGround[] = {m_BlockTop, m_BlockMiddle, m_BlockMiddle, m_BlockMiddle} ; + static const BLOCKTYPE PatternBeach[] = {m_BlockBeach, m_BlockBeach, m_BlockBeach, m_BlockBeachBottom} ; + static const BLOCKTYPE PatternOcean[] = {m_BlockMiddle, m_BlockMiddle, m_BlockMiddle, m_BlockBottom} ; + static int PatternLength = ARRAYCOUNT(PatternGround); + ASSERT(ARRAYCOUNT(PatternGround) == ARRAYCOUNT(PatternBeach)); + ASSERT(ARRAYCOUNT(PatternGround) == ARRAYCOUNT(PatternOcean)); + + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + int Height = cChunkDef::GetHeight(a_HeightMap, x, z); + const BLOCKTYPE * Pattern; + if (Height > m_SeaLevel + m_BeachHeight) + { + Pattern = PatternGround; + } + else if (Height > m_SeaLevel - m_BeachDepth) + { + Pattern = PatternBeach; + } + else + { + Pattern = PatternOcean; + } + + // Fill water from sealevel down to height (if any): + for (int y = m_SeaLevel; y >= Height; --y) + { + cChunkDef::SetBlock(a_BlockTypes, x, y, z, m_BlockSea); + } + + // Fill from height till the bottom: + for (int y = Height; y >= 1; y--) + { + cChunkDef::SetBlock(a_BlockTypes, x, y, z, (Height - y < PatternLength) ? Pattern[Height - y] : m_BlockBottom); + } + + // The last layer is always bedrock: + cChunkDef::SetBlock(a_BlockTypes, x, 0, z, E_BLOCK_BEDROCK); + } // for x + } // for z +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cCompoGenBiomal: + +void cCompoGenBiomal::ComposeTerrain( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // BlockTypes to be generated + cChunkDef::BlockNibbles & a_BlockMeta, // BlockMetas to be generated + const cChunkDef::HeightMap & a_HeightMap, // The height map to fit + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entitites may be generated along with the terrain + cBlockEntityList & a_BlockEntities // Block entitites may be generated (chests / furnaces / ...) +) +{ + memset(a_BlockTypes, 0, sizeof(a_BlockTypes)); + memset(a_BlockMeta, 0, sizeof(a_BlockMeta)); + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + int Height = cChunkDef::GetHeight(a_HeightMap, x, z); + if (Height > m_SeaLevel) + { + switch (cChunkDef::GetBiome(a_BiomeMap, x, z)) + { + case biOcean: + case biPlains: + case biExtremeHills: + case biForest: + case biTaiga: + case biSwampland: + case biRiver: + case biFrozenOcean: + case biFrozenRiver: + case biIcePlains: + case biIceMountains: + case biForestHills: + case biTaigaHills: + case biExtremeHillsEdge: + case biJungle: + case biJungleHills: + { + FillColumnGrass(x, z, Height, a_BlockTypes); + break; + } + case biDesertHills: + case biDesert: + case biBeach: + { + FillColumnSand(x, z, Height, a_BlockTypes); + break; + } + case biMushroomIsland: + case biMushroomShore: + { + FillColumnMycelium(x, z, Height, a_BlockTypes); + break; + } + default: + { + // TODO + ASSERT(!"CompoGenBiomal: Biome not implemented yet!"); + break; + } + } + } + else + { + switch (cChunkDef::GetBiome(a_BiomeMap, x, z)) + { + case biDesert: + case biBeach: + { + // Fill with water, sand, sandstone and stone + FillColumnWaterSand(x, z, Height, a_BlockTypes); + break; + } + default: + { + // Fill with water, sand/dirt/clay mix and stone + FillColumnWaterMix(a_ChunkX, a_ChunkZ, x, z, Height, a_BlockTypes); + break; + } + } // switch (biome) + } // else (under water) + cChunkDef::SetBlock(a_BlockTypes, x, 0, z, E_BLOCK_BEDROCK); + } // for x + } // for z +} + + + + + +void cCompoGenBiomal::FillColumnGrass(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes) +{ + BLOCKTYPE Pattern[] = + { + E_BLOCK_GRASS, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + } ; + FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern)); + + for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE); + } +} + + + + + +void cCompoGenBiomal::FillColumnSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes) +{ + BLOCKTYPE Pattern[] = + { + E_BLOCK_SAND, + E_BLOCK_SAND, + E_BLOCK_SAND, + E_BLOCK_SANDSTONE, + } ; + FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern)); + + for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE); + } +} + + + + + + +void cCompoGenBiomal::FillColumnMycelium (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes) +{ + BLOCKTYPE Pattern[] = + { + E_BLOCK_MYCELIUM, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + } ; + FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern)); + + for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE); + } +} + + + + + +void cCompoGenBiomal::FillColumnWaterSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes) +{ + FillColumnSand(a_RelX, a_RelZ, a_Height, a_BlockTypes); + for (int y = a_Height + 1; y <= m_SeaLevel + 1; y++) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_WATER); + } +} + + + + + +void cCompoGenBiomal::FillColumnWaterMix(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes) +{ + if (m_Noise.CubicNoise2D(0.5f * (cChunkDef::Width * a_ChunkX + a_RelX), 0.5f * (cChunkDef::Width * a_ChunkZ + a_RelZ)) < 0) + { + FillColumnWaterSand(a_RelX, a_RelZ, a_Height, a_BlockTypes); + } + else + { + // Dirt + BLOCKTYPE Pattern[] = + { + E_BLOCK_DIRT, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + E_BLOCK_DIRT, + } ; + FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern)); + + for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE); + } + for (int y = a_Height + 1; y <= m_SeaLevel + 1; y++) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_WATER); + } + } +} + + + + + + +void cCompoGenBiomal::FillColumnPattern(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes, const BLOCKTYPE * a_Pattern, int a_PatternSize) +{ + for (int y = a_Height, idx = 0; (y >= 0) && (idx < a_PatternSize); y--, idx++) + { + cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, a_Pattern[idx]); + } +} + + + + -- cgit v1.2.3