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DistortedHeightmap: Fixed crash on number rounding.

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Fixes #1521.
This commit is contained in:
Mattes D 2014-10-09 12:33:16 +02:00
parent 386068a5ad
commit f91aa6f1d3
1 changed files with 5 additions and 4 deletions
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9
src/Generating/DistortedHeightmap.cpp
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@ -540,10 +540,11 @@ void cDistortedHeightmap::InitializeCompoGen(cIniFile & a_IniFile)
int cDistortedHeightmap::GetHeightmapAt(NOISE_DATATYPE a_X, NOISE_DATATYPE a_Z) int cDistortedHeightmap::GetHeightmapAt(NOISE_DATATYPE a_X, NOISE_DATATYPE a_Z)
{ {
int ChunkX = (int)floor(a_X / (NOISE_DATATYPE)16); int RelX = (int)std::floor(a_X);
int ChunkZ = (int)floor(a_Z / (NOISE_DATATYPE)16); int RelY = 0;
int RelX = (int)(a_X - (NOISE_DATATYPE)ChunkX * cChunkDef::Width); int RelZ = (int)std::floor(a_Z);
int RelZ = (int)(a_Z - (NOISE_DATATYPE)ChunkZ * cChunkDef::Width); int ChunkX, ChunkZ;
cChunkDef::AbsoluteToRelative(RelX, RelY, RelZ, ChunkX, ChunkZ);
// If we're withing the same chunk, return the pre-cached heightmap: // If we're withing the same chunk, return the pre-cached heightmap:
if ((ChunkX == m_CurChunkX) && (ChunkZ == m_CurChunkZ)) if ((ChunkX == m_CurChunkX) && (ChunkZ == m_CurChunkZ))