diff options
Diffstat (limited to '')
| -rw-r--r-- | source/Generating/HeiGen.cpp | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/source/Generating/HeiGen.cpp b/source/Generating/HeiGen.cpp index baf013a16..fe69ef926 100644 --- a/source/Generating/HeiGen.cpp +++ b/source/Generating/HeiGen.cpp @@ -234,12 +234,12 @@ void cHeiGenBiomal::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMa resulting in speed DEcrease. */ - /* + //* // Linearly interpolate 4x4 blocks of heightmap: - // This is fast, but really ugly! Do not use! + // Must be done on a floating point datatype, else the results are ugly! const int STEPZ = 4; // Must be a divisor of 16 const int STEPX = 4; // Must be a divisor of 16 - int Height[17 * 17]; + NOISE_DATATYPE Height[17 * 17]; for (int z = 0; z < 17; z += STEPZ) { for (int x = 0; x < 17; x += STEPX) @@ -247,18 +247,19 @@ void cHeiGenBiomal::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMa Height[x + 17 * z] = GetHeightAt(x, z, a_ChunkX, a_ChunkZ, Biomes); } } - IntArrayLinearInterpolate2D(Height, 17, 17, STEPX, STEPZ); + ArrayLinearInterpolate2D(Height, 17, 17, STEPX, STEPZ); // Copy into the heightmap for (int z = 0; z < cChunkDef::Width; z++) { for (int x = 0; x < cChunkDef::Width; x++) { - cChunkDef::SetHeight(a_HeightMap, x, z, Height[x + 17 * z]); + cChunkDef::SetHeight(a_HeightMap, x, z, (int)Height[x + 17 * z]); } } - */ + //*/ + /* // For each height, go through neighboring biomes and add up their idea of height: for (int z = 0; z < cChunkDef::Width; z++) { @@ -267,13 +268,14 @@ void cHeiGenBiomal::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMa cChunkDef::SetHeight(a_HeightMap, x, z, GetHeightAt(x, z, a_ChunkX, a_ChunkZ, Biomes)); } // for x } + //*/ } -HEIGHTTYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int a_ChunkZ, const cHeiGenBiomal::BiomeNeighbors & a_BiomeNeighbors) +NOISE_DATATYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int a_ChunkZ, const cHeiGenBiomal::BiomeNeighbors & a_BiomeNeighbors) { // Sum up how many biomes of each type there are in the neighborhood: int BiomeCounts[biNumBiomes]; @@ -304,7 +306,7 @@ HEIGHTTYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int // For each biome type that has a nonzero count, calc its height and add it: if (Sum > 0) { - int Height = 0; + NOISE_DATATYPE Height = 0; int BlockX = a_ChunkX * cChunkDef::Width + a_RelX; int BlockZ = a_ChunkZ * cChunkDef::Width + a_RelZ; for (int i = 0; i < ARRAYCOUNT(BiomeCounts); i++) @@ -313,13 +315,13 @@ HEIGHTTYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int { continue; } - float oct1 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq1, BlockZ * m_GenParam[i].m_HeightFreq1) * m_GenParam[i].m_HeightAmp1; - float oct2 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq2, BlockZ * m_GenParam[i].m_HeightFreq2) * m_GenParam[i].m_HeightAmp2; - float oct3 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq3, BlockZ * m_GenParam[i].m_HeightFreq3) * m_GenParam[i].m_HeightAmp3; - Height += BiomeCounts[i] * (int)(m_GenParam[i].m_BaseHeight + oct1 + oct2 + oct3); + NOISE_DATATYPE oct1 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq1, BlockZ * m_GenParam[i].m_HeightFreq1) * m_GenParam[i].m_HeightAmp1; + NOISE_DATATYPE oct2 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq2, BlockZ * m_GenParam[i].m_HeightFreq2) * m_GenParam[i].m_HeightAmp2; + NOISE_DATATYPE oct3 = m_Noise.CubicNoise2D(BlockX * m_GenParam[i].m_HeightFreq3, BlockZ * m_GenParam[i].m_HeightFreq3) * m_GenParam[i].m_HeightAmp3; + Height += BiomeCounts[i] * (m_GenParam[i].m_BaseHeight + oct1 + oct2 + oct3); } - int res = (HEIGHTTYPE)(Height / Sum); - return std::min(250, std::max(res, 5)); + NOISE_DATATYPE res = Height / Sum; + return std::min((NOISE_DATATYPE)250, std::max(res, (NOISE_DATATYPE)5)); } // No known biome around? Weird. Return a bogus value: |