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Decimation now handles level 0 and level 1. Crashes on level 2...

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This commit is contained in:
David Williams
2008-06-12 21:16:50 +00:00
parent e019c92dc2
commit eed6d56cb6
5 changed files with 170 additions and 166 deletions
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2
PolyVoxCore/include/BlockVolumeIterator.h
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@@ -44,7 +44,7 @@ namespace PolyVox
bool operator>=(const BlockVolumeIterator& rhs);
float getAveragedVoxel(boost::uint16_t size) const;
VoxelType getMaxedVoxel(boost::uint8_t level) const;
VoxelType getMaxedVoxel(boost::uint8_t uLevel) const;
boost::uint16_t getPosX(void) const;
boost::uint16_t getPosY(void) const;
boost::uint16_t getPosZ(void) const;

25
PolyVoxCore/include/BlockVolumeIterator.inl
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@@ -137,13 +137,13 @@ namespace PolyVox
}
template <typename VoxelType>
VoxelType BlockVolumeIterator<VoxelType>::getMaxedVoxel(boost::uint8_t level) const
VoxelType BlockVolumeIterator<VoxelType>::getMaxedVoxel(boost::uint8_t uLevel) const
{
if(level == 0)
if(uLevel == 0)
{
return getVoxel();
}
else if(level == 1)
else if(uLevel == 1)
{
VoxelType tValue = getVoxel();
tValue = (std::max)(tValue, peekVoxel1px0py0pz());
@@ -155,8 +155,23 @@ namespace PolyVox
tValue = (std::max)(tValue, peekVoxel1px1py1pz());
return tValue;
}
assert(false);
return 0;
else
{
const boost::uint8_t uSize = 1 << uLevel;
VoxelType tValue = 0;
for(boost::uint8_t z = 0; z < uSize; ++z)
{
for(boost::uint8_t y = 0; y < uSize; ++y)
{
for(boost::uint8_t x = 0; x < uSize; ++x)
{
tValue = (std::max)(tValue, mVolume.getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
}
}
}
return tValue;
}
}
template <typename VoxelType>

4
PolyVoxCore/include/SurfaceExtractorsDecimated.h
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@@ -39,8 +39,8 @@ namespace PolyVox
POLYVOX_API void generateDecimatedMeshDataForRegion(BlockVolume<boost::uint8_t>* volumeData, boost::uint8_t uLevel, Region region, IndexedSurfacePatch* singleMaterialPatch);
POLYVOX_API boost::uint32_t computeInitialDecimatedBitmaskForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, boost::uint8_t uLevel, const Region& regSlice, const Vector3DFloat& offset, boost::uint8_t *bitmask);
POLYVOX_API boost::uint32_t computeDecimatedBitmaskForSliceFromPrevious(BlockVolumeIterator<boost::uint8_t>& volIter, boost::uint8_t uLevel, const Region& regSlice, const Vector3DFloat& offset, boost::uint8_t *bitmask, boost::uint8_t *previousBitmask);
POLYVOX_API void generateDecimatedIndicesForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, const Region& regSlice, IndexedSurfacePatch* singleMaterialPatch, const Vector3DFloat& offset, boost::uint8_t* bitmask0, boost::uint8_t* bitmask1, boost::int32_t vertexIndicesX0[],boost::int32_t vertexIndicesY0[],boost::int32_t vertexIndicesZ0[], boost::int32_t vertexIndicesX1[],boost::int32_t vertexIndicesY1[],boost::int32_t vertexIndicesZ1[]);
POLYVOX_API void generateDecimatedVerticesForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, Region& regSlice, const Vector3DFloat& offset, boost::uint8_t* bitmask, IndexedSurfacePatch* singleMaterialPatch,boost::int32_t vertexIndicesX[],boost::int32_t vertexIndicesY[],boost::int32_t vertexIndicesZ[]);
POLYVOX_API void generateDecimatedIndicesForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, boost::uint8_t uLevel, const Region& regSlice, IndexedSurfacePatch* singleMaterialPatch, const Vector3DFloat& offset, boost::uint8_t* bitmask0, boost::uint8_t* bitmask1, boost::int32_t vertexIndicesX0[],boost::int32_t vertexIndicesY0[],boost::int32_t vertexIndicesZ0[], boost::int32_t vertexIndicesX1[],boost::int32_t vertexIndicesY1[],boost::int32_t vertexIndicesZ1[]);
POLYVOX_API void generateDecimatedVerticesForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, boost::uint8_t uLevel, Region& regSlice, const Vector3DFloat& offset, boost::uint8_t* bitmask, IndexedSurfacePatch* singleMaterialPatch,boost::int32_t vertexIndicesX[],boost::int32_t vertexIndicesY[],boost::int32_t vertexIndicesZ[]);
POLYVOX_API void generateDecimatedMeshDataForRegionSlow(BlockVolume<boost::uint8_t>* volumeData, Region region, IndexedSurfacePatch* singleMaterialPatch);