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/FinishGen.cpp | 387 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 387 insertions(+) create mode 100644 source/Generating/FinishGen.cpp (limited to 'source/Generating/FinishGen.cpp') diff --git a/source/Generating/FinishGen.cpp b/source/Generating/FinishGen.cpp new file mode 100644 index 000000000..c3aedd1a0 --- /dev/null +++ b/source/Generating/FinishGen.cpp @@ -0,0 +1,387 @@ + +// FinishGen.cpp + +/* Implements the various finishing generators: + - cFinishGenSnow + - cFinishGenIce + - cFinishGenSprinkleFoliage +*/ + +#include "Globals.h" + +#include "FinishGen.h" +#include "../cNoise.h" +#include "../BlockID.h" + + + + + +static inline bool IsWater(BLOCKTYPE a_BlockType) +{ + return (a_BlockType == E_BLOCK_STATIONARY_WATER) || (a_BlockType == E_BLOCK_WATER); +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFinishGenSprinkleFoliage: + +bool cFinishGenSprinkleFoliage::TryAddSugarcane( + int a_ChunkX, int a_ChunkZ, + int a_RelX, int a_RelY, int a_RelZ, + cChunkDef::BlockTypes & a_BlockTypes, + cChunkDef::BlockNibbles & a_BlockMeta +) +{ + // We'll be doing comparison to neighbors, so require the coords to be 1 block away from the chunk edges: + if ( + (a_RelX < 1) || (a_RelX >= cChunkDef::Width - 1) || + (a_RelY < 1) || (a_RelY >= cChunkDef::Height - 2) || + (a_RelZ < 1) || (a_RelZ >= cChunkDef::Width - 1) + ) + { + return false; + } + + // Only allow dirt, grass or sand below sugarcane: + switch (cChunkDef::GetBlock(a_BlockTypes, a_RelX, a_RelY, a_RelZ)) + { + case E_BLOCK_DIRT: + case E_BLOCK_GRASS: + case E_BLOCK_SAND: + { + break; + } + default: + { + return false; + } + } + + // Water is required next to the block below the sugarcane: + if ( + !IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX - 1, a_RelY, a_RelZ)) && + !IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX + 1, a_RelY, a_RelZ)) && + !IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX , a_RelY, a_RelZ - 1)) && + !IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX , a_RelY, a_RelZ + 1)) + ) + { + return false; + } + + // All conditions met, place a sugarcane here: + cChunkDef::SetBlock(a_BlockTypes, a_RelX, a_RelY + 1, a_RelZ, E_BLOCK_SUGARCANE); + return true; +} + + + + + +void cFinishGenSprinkleFoliage::GenFinish( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change + cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change + cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entities may be added or deleted + cBlockEntityList & a_BlockEntities // Block entities may be added or deleted + ) +{ + // Generate small foliage (1-block): + + // TODO: Update heightmap with 1-block-tall foliage + cNoise Noise(m_Seed); + for (int z = 0; z < cChunkDef::Width; z++) + { + int BlockZ = a_ChunkZ * cChunkDef::Width + z; + const float zz = (float)BlockZ; + for (int x = 0; x < cChunkDef::Width; x++) + { + int BlockX = a_ChunkX * cChunkDef::Width + x; + if (((Noise.IntNoise2DInt(BlockX, BlockZ) / 8) % 128) < 124) + { + continue; + } + int Top = cChunkDef::GetHeight(a_HeightMap, x, z); + if (Top > 250) + { + // Nothing grows above Y=250 + continue; + } + if (cChunkDef::GetBlock(a_BlockTypes, x, Top + 1, z) != E_BLOCK_AIR) + { + // Space already taken by something else, don't grow here + // WEIRD, since we're using heightmap, so there should NOT be anything above it + continue; + } + + const float xx = (float)BlockX; + float val1 = Noise.CubicNoise2D(xx * 0.1f, zz * 0.1f ); + float val2 = Noise.CubicNoise2D(xx * 0.01f, zz * 0.01f ); + switch (cChunkDef::GetBlock(a_BlockTypes, x, Top, z)) + { + case E_BLOCK_GRASS: + { + float val3 = Noise.CubicNoise2D(xx * 0.01f + 10, zz * 0.01f + 10 ); + float val4 = Noise.CubicNoise2D(xx * 0.05f + 20, zz * 0.05f + 20 ); + if (val1 + val2 > 0.2f) + { + cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_YELLOW_FLOWER); + } + else if (val2 + val3 > 0.2f) + { + cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_ROSE); + } + else if (val3 + val4 > 0.2f) + { + cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_MUSHROOM); + } + else if (val1 + val4 > 0.2f) + { + cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_BROWN_MUSHROOM); + } + else if (val1 + val2 + val3 + val4 < -0.1) + { + cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_TALL_GRASS); + cChunkDef::SetNibble(a_BlockMeta, x, Top, z, E_META_TALL_GRASS_GRASS); + } + else if (TryAddSugarcane(a_ChunkX, a_ChunkZ, x, Top, z, a_BlockTypes, a_BlockMeta)) + { + ++Top; + } + else if ((val1 > 0.5) && (val2 < -0.5)) + { + cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_PUMPKIN); + cChunkDef::SetNibble(a_BlockMeta, x, Top, z, (int)(val3 * 8) % 4); + } + break; + } // case E_BLOCK_GRASS + + case E_BLOCK_SAND: + { + int y = Top + 1; + if ( + (x > 0) && (x < cChunkDef::Width - 1) && + (z > 0) && (z < cChunkDef::Width - 1) && + (val1 + val2 > 0.5f) && + (cChunkDef::GetBlock(a_BlockTypes, x + 1, y, z) == E_BLOCK_AIR) && + (cChunkDef::GetBlock(a_BlockTypes, x - 1, y, z) == E_BLOCK_AIR) && + (cChunkDef::GetBlock(a_BlockTypes, x, y, z + 1) == E_BLOCK_AIR) && + (cChunkDef::GetBlock(a_BlockTypes, x, y, z - 1) == E_BLOCK_AIR) + ) + { + cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS); + } + else if (TryAddSugarcane(a_ChunkX, a_ChunkZ, x, Top, z, a_BlockTypes, a_BlockMeta)) + { + ++Top; + } + break; + } + } // switch (TopBlock) + cChunkDef::SetHeight(a_HeightMap, x, z, Top); + } // for y + } // for z +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFinishGenSnow: + +void cFinishGenSnow::GenFinish( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change + cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change + cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entities may be added or deleted + cBlockEntityList & a_BlockEntities // Block entities may be added or deleted + ) +{ + // Add a snow block in snowy biomes onto blocks that can be snowed over + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + switch (cChunkDef::GetBiome(a_BiomeMap, x, z)) + { + case biIcePlains: + case biIceMountains: + case biTaiga: + case biTaigaHills: + case biFrozenRiver: + case biFrozenOcean: + { + int Height = cChunkDef::GetHeight(a_HeightMap, x, z); + if (g_BlockIsSnowable[cChunkDef::GetBlock(a_BlockTypes, x, Height, z)]) + { + cChunkDef::SetBlock(a_BlockTypes, x, Height + 1, z, E_BLOCK_SNOW); + cChunkDef::SetHeight(a_HeightMap, x, z, Height + 1); + } + break; + } + } + } + } // for z +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFinishGenIce: + +void cFinishGenIce::GenFinish( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change + cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change + cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entities may be added or deleted + cBlockEntityList & a_BlockEntities // Block entities may be added or deleted + ) +{ + // Turn surface water into ice in icy biomes + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + switch (cChunkDef::GetBiome(a_BiomeMap, x, z)) + { + case biIcePlains: + case biIceMountains: + case biTaiga: + case biTaigaHills: + case biFrozenRiver: + case biFrozenOcean: + { + int Height = cChunkDef::GetHeight(a_HeightMap, x, z); + switch (cChunkDef::GetBlock(a_BlockTypes, x, Height, z)) + { + case E_BLOCK_WATER: + case E_BLOCK_STATIONARY_WATER: + { + cChunkDef::SetBlock(a_BlockTypes, x, Height, z, E_BLOCK_ICE); + break; + } + } + break; + } + } + } + } // for z +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFinishGenLilypads: + +int cFinishGenLilypads::GetNumLilypads(const cChunkDef::BiomeMap & a_BiomeMap) +{ + int res = 0; + for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++) + { + if (a_BiomeMap[i] == biSwampland) + { + res++; + } + } // for i - a_BiomeMap[] + return res / 64; +} + + + + + +void cFinishGenLilypads::GenFinish( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change + cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change + cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entities may be added or deleted + cBlockEntityList & a_BlockEntities // Block entities may be added or deleted +) +{ + // Add Lilypads on top of water surface in Swampland + + int NumLilypads = GetNumLilypads(a_BiomeMap); + for (int i = 0; i < NumLilypads; i++) + { + int x = m_Noise.IntNoise3DInt(a_ChunkX + a_ChunkZ, a_ChunkZ, i) % cChunkDef::Width; + int z = m_Noise.IntNoise3DInt(a_ChunkX - a_ChunkZ, i, a_ChunkZ) % cChunkDef::Width; + + // Place a lily pad at {x, z} if possible (swampland, empty block, water below): + if (cChunkDef::GetBiome(a_BiomeMap, x, z) != biSwampland) + { + // not swampland + continue; + } + int Height = cChunkDef::GetHeight(a_HeightMap, x, z); + if (Height >= cChunkDef::Height) + { + // Too high up + continue; + } + if (cChunkDef::GetBlock(a_BlockTypes, x, Height + 1, z) != E_BLOCK_AIR) + { + // not empty block + continue; + } + switch (cChunkDef::GetBlock(a_BlockTypes, x, Height, z)) + { + case E_BLOCK_WATER: + case E_BLOCK_STATIONARY_WATER: + { + cChunkDef::SetBlock(a_BlockTypes, x, Height + 1, z, E_BLOCK_LILY_PAD); + cChunkDef::SetHeight(a_HeightMap, x, z, Height + 1); + break; + } + } // switch (GetBlock) + } // for i +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFinishGenBottomLava: + +void cFinishGenBottomLava::GenFinish( + int a_ChunkX, int a_ChunkZ, + cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change + cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change + cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data + const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to + cEntityList & a_Entities, // Entities may be added or deleted + cBlockEntityList & a_BlockEntities // Block entities may be added or deleted +) +{ + for (int y = m_Level; y > 0; y--) + { + for (int z = 0; z < cChunkDef::Width; z++) for (int x = 0; x < cChunkDef::Width; x++) + { + int Index = cChunkDef::MakeIndexNoCheck(x, y, z); + if (a_BlockTypes[Index] == E_BLOCK_AIR) + { + a_BlockTypes[Index] = E_BLOCK_STATIONARY_LAVA; + } + } // for x, for z + } // for y +} + + + + -- cgit v1.2.3