AnotherFoxGuy/polyvox
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Work making decimated approach handle multiple resolutions.

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This commit is contained in:
David Williams
2008-06-12 19:40:36 +00:00
parent 3566fc1863
commit e019c92dc2
6 changed files with 312 additions and 308 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(void) const;
VoxelType getMaxedVoxel(boost::uint8_t level) const;
boost::uint16_t getPosX(void) const;
boost::uint16_t getPosY(void) const;
boost::uint16_t getPosZ(void) const;

30
PolyVoxCore/include/BlockVolumeIterator.inl
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@@ -137,18 +137,26 @@ namespace PolyVox
}
template <typename VoxelType>
VoxelType BlockVolumeIterator<VoxelType>::getMaxedVoxel(void) const
VoxelType BlockVolumeIterator<VoxelType>::getMaxedVoxel(boost::uint8_t level) const
{
VoxelType tValue = getVoxel();
tValue = (std::max)(tValue, peekVoxel1px0py0pz());
tValue = (std::max)(tValue, peekVoxel0px1py0pz());
tValue = (std::max)(tValue, peekVoxel1px1py0pz());
tValue = (std::max)(tValue, peekVoxel0px0py1pz());
tValue = (std::max)(tValue, peekVoxel1px0py1pz());
tValue = (std::max)(tValue, peekVoxel0px1py1pz());
tValue = (std::max)(tValue, peekVoxel1px1py1pz());
return tValue;
if(level == 0)
{
return getVoxel();
}
else if(level == 1)
{
VoxelType tValue = getVoxel();
tValue = (std::max)(tValue, peekVoxel1px0py0pz());
tValue = (std::max)(tValue, peekVoxel0px1py0pz());
tValue = (std::max)(tValue, peekVoxel1px1py0pz());
tValue = (std::max)(tValue, peekVoxel0px0py1pz());
tValue = (std::max)(tValue, peekVoxel1px0py1pz());
tValue = (std::max)(tValue, peekVoxel0px1py1pz());
tValue = (std::max)(tValue, peekVoxel1px1py1pz());
return tValue;
}
assert(false);
return 0;
}
template <typename VoxelType>

6
PolyVoxCore/include/SurfaceExtractorsDecimated.h
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@@ -36,9 +36,9 @@ namespace PolyVox
{
boost::uint32_t getDecimatedIndex(boost::uint32_t x, boost::uint32_t y);
POLYVOX_API void generateDecimatedMeshDataForRegion(BlockVolume<boost::uint8_t>* volumeData, Region region, IndexedSurfacePatch* singleMaterialPatch);
POLYVOX_API boost::uint32_t computeInitialDecimatedBitmaskForSlice(BlockVolumeIterator<boost::uint8_t>& volIter, const Region& regSlice, const Vector3DFloat& offset, boost::uint8_t *bitmask);
POLYVOX_API boost::uint32_t computeDecimatedBitmaskForSliceFromPrevious(BlockVolumeIterator<boost::uint8_t>& volIter, const Region& regSlice, const Vector3DFloat& offset, boost::uint8_t *bitmask, boost::uint8_t *previousBitmask);
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[]);