diff options
Diffstat (limited to 'src/Generating/FinishGen.cpp')
| -rw-r--r-- | src/Generating/FinishGen.cpp | 63 |
1 files changed, 36 insertions, 27 deletions
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp index 3ee657e38..b332c4f9b 100644 --- a/src/Generating/FinishGen.cpp +++ b/src/Generating/FinishGen.cpp @@ -166,38 +166,47 @@ void cFinishGenTallGrass::GenFinish(cChunkDesc & a_ChunkDesc) { for (int x = 0; x < cChunkDef::Width; x++) { - float xx = (float) x + a_ChunkDesc.GetChunkX(); + int xx = x + a_ChunkDesc.GetChunkX() * cChunkDef::Width; for (int z = 0; z < cChunkDef::Width; z++) { - float zz = (float) z + a_ChunkDesc.GetChunkZ(); - float BiomeDensity = GetBiomeDensity(a_ChunkDesc.GetBiome(x, z)); - if (m_Noise.CubicNoise2D(xx + m_Noise.CubicNoise1D(xx), zz + m_Noise.CubicNoise1D(zz)) < BiomeDensity) + int zz = z + a_ChunkDesc.GetChunkZ() * cChunkDef::Width; + int BiomeDensity = GetBiomeDensity(a_ChunkDesc.GetBiome(x, z)); + + // Choose if we want to place long grass here. If not then bail out. + if ((m_Noise.IntNoise2DInt(xx + m_Noise.IntNoise1DInt(xx), zz + m_Noise.IntNoise1DInt(zz)) / 7 % 100) > BiomeDensity) { - for (int y = a_ChunkDesc.GetHeight(x, z) + 1; y >= 1; y--) - { - if ( - (a_ChunkDesc.GetBlockType(x, y, z) == E_BLOCK_AIR) && - ((a_ChunkDesc.GetBlockType(x, y - 1, z) == E_BLOCK_GRASS) || (a_ChunkDesc.GetBlockType(x, y - 1, z) == E_BLOCK_DIRT)) + continue; + } + + for (int y = a_ChunkDesc.GetHeight(x, z) + 1; y >= 1; y--) + { + // Check if long grass can be placed. + if ( + (a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR) || + ((a_ChunkDesc.GetBlockType(x, y - 1, z) != E_BLOCK_GRASS) && (a_ChunkDesc.GetBlockType(x, y - 1, z) != E_BLOCK_DIRT)) ) + { + continue; + } + + // Choose what long grass meta we should use. + int GrassType = m_Noise.IntNoise2DInt(xx * 50, zz * 50) / 7 % 100; + if (GrassType < 60) + { + a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 1); + } + else if (GrassType < 90) + { + a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 2); + } + else + { + // If double long grass we have to choose what type we should use. + if (a_ChunkDesc.GetBlockType(x, y + 1, z) == E_BLOCK_AIR) { - float GrassType = m_Noise.CubicNoise2D(xx * 50, zz * 50); - if (GrassType < 0.2f) - { - a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 1); - } - else if (GrassType < 0.8f) - { - a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_TALL_GRASS, 2); - } - else - { - if (a_ChunkDesc.GetBlockType(x, y + 1, z) == E_BLOCK_AIR) - { - NIBBLETYPE Meta = m_Noise.CubicNoise2D(xx * 100, zz * 100) > -0.5f ? 2 : 3; - a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_BIG_FLOWER, Meta); - a_ChunkDesc.SetBlockTypeMeta(x, y + 1, z, E_BLOCK_BIG_FLOWER, 8); - } - } + NIBBLETYPE Meta = (m_Noise.IntNoise2DInt(xx * 100, zz * 100) / 7 % 100) > 25 ? 2 : 3; + a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_BIG_FLOWER, Meta); + a_ChunkDesc.SetBlockTypeMeta(x, y + 1, z, E_BLOCK_BIG_FLOWER, 8); } } } |