Optimising SurfaceExtractor.
This commit is contained in:
David Williams
parent
c0a504703e
commit
47291c59fc
@ -60,6 +60,15 @@ namespace PolyVox
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int32_t* m_pCurrentVertexIndicesY;
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int32_t* m_pCurrentVertexIndicesZ;
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uint8_t v000;
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uint8_t v100;
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uint8_t v010;
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uint8_t v110;
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uint8_t v001;
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uint8_t v101;
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uint8_t v011;
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uint8_t v111;
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inline uint32_t getIndex(uint32_t x, uint32_t y)
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{
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return x + (y * (m_uRegionWidth+2));
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@ -44,240 +44,240 @@ namespace PolyVox
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/*uint32_t SurfaceExtractor::computeBitmaskForSliceLevel0(VolumeSampler<uint8_t>& m_sampVolume, const Region& regSlice, const Vector3DFloat& m_v3dRegionOffset, uint8_t* bitmask, uint8_t* previousBitmask)
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{
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uint32_t uNoOfNonEmptyCells = 0;
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uint32_t uNoOfNonEmptyCells = 0;
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//Iterate over each cell in the region
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for(uint16_t uYVolSpace = regSlice.getLowerCorner().getY(); uYVolSpace <= regSlice.getUpperCorner().getY(); uYVolSpace++)
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{
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for(uint16_t uXVolSpace = regSlice.getLowerCorner().getX(); uXVolSpace <= regSlice.getUpperCorner().getX(); uXVolSpace++)
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{
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uint16_t uZVolSpace = regSlice.getLowerCorner().getZ();
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m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
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//Current position
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const uint16_t uXRegSpace = m_sampVolume.getPosX() - m_v3dRegionOffset.getX();
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const uint16_t uYRegSpace = m_sampVolume.getPosY() - m_v3dRegionOffset.getY();
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//Iterate over each cell in the region
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for(uint16_t uYVolSpace = regSlice.getLowerCorner().getY(); uYVolSpace <= regSlice.getUpperCorner().getY(); uYVolSpace++)
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{
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for(uint16_t uXVolSpace = regSlice.getLowerCorner().getX(); uXVolSpace <= regSlice.getUpperCorner().getX(); uXVolSpace++)
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{
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uint16_t uZVolSpace = regSlice.getLowerCorner().getZ();
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m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
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//Current position
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const uint16_t uXRegSpace = m_sampVolume.getPosX() - m_v3dRegionOffset.getX();
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const uint16_t uYRegSpace = m_sampVolume.getPosY() - m_v3dRegionOffset.getY();
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//Determine the index into the edge table which tells us which vertices are inside of the surface
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uint8_t iCubeIndex = 0;
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//Determine the index into the edge table which tells us which vertices are inside of the surface
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uint8_t iCubeIndex = 0;
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if((uXVolSpace < m_sampVolume.getVolume().getWidth()-1) &&
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(uYVolSpace < m_sampVolume.getVolume().getHeight()-1) &&
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(uZVolSpace < m_sampVolume.getVolume().getDepth()-1))
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{
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bool isPrevXAvail = uXRegSpace > 0;
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bool isPrevYAvail = uYRegSpace > 0;
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bool isPrevZAvail = previousBitmask != 0;
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if((uXVolSpace < m_sampVolume.getVolume().getWidth()-1) &&
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(uYVolSpace < m_sampVolume.getVolume().getHeight()-1) &&
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(uZVolSpace < m_sampVolume.getVolume().getDepth()-1))
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{
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bool isPrevXAvail = uXRegSpace > 0;
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bool isPrevYAvail = uYRegSpace > 0;
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bool isPrevZAvail = previousBitmask != 0;
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if(isPrevZAvail)
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{
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if(isPrevYAvail)
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{
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if(isPrevXAvail)
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{
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if(isPrevZAvail)
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{
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if(isPrevYAvail)
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{
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if(isPrevXAvail)
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{
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY | iPreviousCubeIndexZ;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY | iPreviousCubeIndexZ;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 192; //192 = 128 + 64
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iPreviousCubeIndexY >>= 2;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 192; //192 = 128 + 64
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iPreviousCubeIndexY >>= 2;
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iCubeIndex = iPreviousCubeIndexY | iPreviousCubeIndexZ;
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iCubeIndex = iPreviousCubeIndexY | iPreviousCubeIndexZ;
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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else //previous Y not available
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{
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if(isPrevXAvail)
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{
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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else //previous Y not available
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{
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if(isPrevXAvail)
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{
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexZ >>= 4;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 160; //160 = 128+32
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iPreviousCubeIndexX >>= 1;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 160; //160 = 128+32
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iPreviousCubeIndexX >>= 1;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexZ;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexZ;
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if (v101 == 0) iCubeIndex |= 32;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v001 = m_sampVolume.peekVoxel0px0py1pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if (v101 == 0) iCubeIndex |= 32;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v001 = m_sampVolume.peekVoxel0px0py1pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iCubeIndex = iPreviousCubeIndexZ >> 4;
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//z
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uint8_t iPreviousCubeIndexZ = previousBitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)];
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iCubeIndex = iPreviousCubeIndexZ >> 4;
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if (v001 == 0) iCubeIndex |= 16;
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if (v101 == 0) iCubeIndex |= 32;
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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}
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else //previous Z not available
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{
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if(isPrevYAvail)
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{
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if(isPrevXAvail)
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{
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if (v001 == 0) iCubeIndex |= 16;
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if (v101 == 0) iCubeIndex |= 32;
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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}
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else //previous Z not available
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{
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if(isPrevYAvail)
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{
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if(isPrevXAvail)
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{
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY;
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iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY;
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if (v110 == 0) iCubeIndex |= 8;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v010 = m_sampVolume.peekVoxel0px1py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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if (v110 == 0) iCubeIndex |= 8;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v010 = m_sampVolume.peekVoxel0px1py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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//y
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uint8_t iPreviousCubeIndexY = bitmask[getIndex(uXRegSpace,uYRegSpace-1, regSlice.width()+1)];
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iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
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iPreviousCubeIndexY >>= 2;
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iCubeIndex = iPreviousCubeIndexY;
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iCubeIndex = iPreviousCubeIndexY;
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if (v010 == 0) iCubeIndex |= 4;
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if (v110 == 0) iCubeIndex |= 8;
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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else //previous Y not available
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{
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if(isPrevXAvail)
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{
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const uint8_t v100 = m_sampVolume.peekVoxel1px0py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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if (v010 == 0) iCubeIndex |= 4;
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if (v110 == 0) iCubeIndex |= 8;
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if (v011 == 0) iCubeIndex |= 64;
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if (v111 == 0) iCubeIndex |= 128;
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}
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}
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else //previous Y not available
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{
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if(isPrevXAvail)
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{
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const uint8_t v100 = m_sampVolume.peekVoxel1px0py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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//x
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uint8_t iPreviousCubeIndexX = bitmask[getIndex(uXRegSpace-1,uYRegSpace, regSlice.width()+1)];
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iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
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iPreviousCubeIndexX >>= 1;
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iCubeIndex = iPreviousCubeIndexX;
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iCubeIndex = iPreviousCubeIndexX;
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if (v100 == 0) iCubeIndex |= 2;
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if (v110 == 0) iCubeIndex |= 8;
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if (v101 == 0) iCubeIndex |= 32;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v000 = m_sampVolume.getVoxel();
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const uint8_t v100 = m_sampVolume.peekVoxel1px0py0pz();
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const uint8_t v010 = m_sampVolume.peekVoxel0px1py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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if (v100 == 0) iCubeIndex |= 2;
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if (v110 == 0) iCubeIndex |= 8;
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if (v101 == 0) iCubeIndex |= 32;
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if (v111 == 0) iCubeIndex |= 128;
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}
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else //previous X not available
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{
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const uint8_t v000 = m_sampVolume.getVoxel();
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const uint8_t v100 = m_sampVolume.peekVoxel1px0py0pz();
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const uint8_t v010 = m_sampVolume.peekVoxel0px1py0pz();
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const uint8_t v110 = m_sampVolume.peekVoxel1px1py0pz();
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const uint8_t v001 = m_sampVolume.peekVoxel0px0py1pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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const uint8_t v001 = m_sampVolume.peekVoxel0px0py1pz();
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const uint8_t v101 = m_sampVolume.peekVoxel1px0py1pz();
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const uint8_t v011 = m_sampVolume.peekVoxel0px1py1pz();
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const uint8_t v111 = m_sampVolume.peekVoxel1px1py1pz();
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if (v000 == 0) iCubeIndex |= 1;
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if (v100 == 0) iCubeIndex |= 2;
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if (v010 == 0) iCubeIndex |= 4;
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if (v110 == 0) iCubeIndex |= 8;
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if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else //We're at the edge of the volume - use bounds checking.
|
||||
{
|
||||
const uint8_t v000 = m_sampVolume.getVoxel();
|
||||
const uint8_t v100 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace );
|
||||
const uint8_t v010 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace );
|
||||
const uint8_t v110 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace );
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else //We're at the edge of the volume - use bounds checking.
|
||||
{
|
||||
const uint8_t v000 = m_sampVolume.getVoxel();
|
||||
const uint8_t v100 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace );
|
||||
const uint8_t v010 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace );
|
||||
const uint8_t v110 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace );
|
||||
|
||||
const uint8_t v001 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v101 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v011 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v111 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v001 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v101 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v011 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v111 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace+1);
|
||||
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
|
||||
//Save the bitmask
|
||||
bitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)] = iCubeIndex;
|
||||
//Save the bitmask
|
||||
bitmask[getIndex(uXRegSpace,uYRegSpace, regSlice.width()+1)] = iCubeIndex;
|
||||
|
||||
if(edgeTable[iCubeIndex] != 0)
|
||||
{
|
||||
++uNoOfNonEmptyCells;
|
||||
}
|
||||
if(edgeTable[iCubeIndex] != 0)
|
||||
{
|
||||
++uNoOfNonEmptyCells;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return uNoOfNonEmptyCells;
|
||||
return uNoOfNonEmptyCells;
|
||||
}*/
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
@ -373,18 +373,22 @@ namespace PolyVox
|
||||
{
|
||||
uint32_t uNoOfNonEmptyCells = 0;
|
||||
|
||||
//Iterate over each cell in the region
|
||||
for(uint16_t uYVolSpace = regSlice1.getLowerCorner().getY(); uYVolSpace <= regSlice1.getUpperCorner().getY(); uYVolSpace += m_uStepSize)
|
||||
{
|
||||
for(uint16_t uXVolSpace = regSlice1.getLowerCorner().getX(); uXVolSpace <= regSlice1.getUpperCorner().getX(); uXVolSpace += m_uStepSize)
|
||||
{
|
||||
uint16_t uZVolSpace = regSlice1.getLowerCorner().getZ();
|
||||
//Current position
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
|
||||
const uint16_t uMaxXVolSpace = regSlice1.getUpperCorner().getX();
|
||||
const uint16_t uMaxYVolSpace = regSlice1.getUpperCorner().getY();
|
||||
|
||||
const uint16_t uZVolSpace = regSlice1.getLowerCorner().getZ();
|
||||
const uint16_t uZRegSpace = uZVolSpace - m_v3dRegionOffset.getZ();
|
||||
|
||||
//Iterate over each cell in the region
|
||||
for(uint16_t uYVolSpace = regSlice1.getLowerCorner().getY(); uYVolSpace <= uMaxYVolSpace; uYVolSpace += m_uStepSize)
|
||||
{
|
||||
for(uint16_t uXVolSpace = regSlice1.getLowerCorner().getX(); uXVolSpace <= uMaxXVolSpace; uXVolSpace += m_uStepSize)
|
||||
{
|
||||
const uint16_t uXRegSpace = uXVolSpace - m_v3dRegionOffset.getX();
|
||||
const uint16_t uYRegSpace = uYVolSpace - m_v3dRegionOffset.getY();
|
||||
const uint16_t uZRegSpace = uZVolSpace - m_v3dRegionOffset.getZ();
|
||||
|
||||
//Current position
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
|
||||
|
||||
//Determine the index into the edge table which tells us which vertices are inside of the surface
|
||||
uint8_t iCubeIndex = 0;
|
||||
@ -393,227 +397,307 @@ namespace PolyVox
|
||||
(uYVolSpace < m_sampVolume.getVolume().getHeight()-m_uStepSize) &&
|
||||
(uZVolSpace < m_sampVolume.getVolume().getDepth()-m_uStepSize))
|
||||
{
|
||||
bool isPrevXAvail = uXRegSpace > 0;
|
||||
bool isPrevYAvail = uYRegSpace > 0;
|
||||
bool isPrevZAvail = uZRegSpace > 0;
|
||||
bool isPrevXAvail = uXRegSpace > 0;
|
||||
bool isPrevYAvail = uYRegSpace > 0;
|
||||
bool isPrevZAvail = uZRegSpace > 0;
|
||||
|
||||
if(isPrevZAvail)
|
||||
{
|
||||
if(isPrevYAvail)
|
||||
if(isPrevZAvail)
|
||||
{
|
||||
if(isPrevXAvail)
|
||||
if(isPrevYAvail)
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 192; //192 = 128 + 64
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 192; //192 = 128 + 64
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 128;
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 128;
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY | iPreviousCubeIndexZ;
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY | iPreviousCubeIndexZ;
|
||||
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v011 = m_sampVolume.peekVoxel0px1py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 192; //192 = 128 + 64
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexY | iPreviousCubeIndexZ;
|
||||
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
else //previous X not available
|
||||
else //previous Y not available
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v101 = m_sampVolume.peekVoxel1px0py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 192; //192 = 128 + 64
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexY | iPreviousCubeIndexZ;
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 160; //160 = 128+32
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexZ;
|
||||
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v001 = m_sampVolume.peekVoxel0px0py1pz();
|
||||
v101 = m_sampVolume.peekVoxel1px0py1pz();
|
||||
v011 = m_sampVolume.peekVoxel0px1py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v001 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iCubeIndex = iPreviousCubeIndexZ >> 4;
|
||||
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
else //previous Y not available
|
||||
else //previous Z not available
|
||||
{
|
||||
if(isPrevXAvail)
|
||||
if(isPrevYAvail)
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v110 = m_sampVolume.peekVoxel1px1py0pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iPreviousCubeIndexZ >>= 4;
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 160; //160 = 128+32
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexZ;
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY;
|
||||
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v010 = m_sampVolume.peekVoxel0px1py0pz();
|
||||
v110 = m_sampVolume.peekVoxel1px1py0pz();
|
||||
|
||||
v011 = m_sampVolume.peekVoxel0px1py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v010 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexY;
|
||||
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
else //previous X not available
|
||||
else //previous Y not available
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v001 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v100 = m_sampVolume.peekVoxel1px0py0pz();
|
||||
v110 = m_sampVolume.peekVoxel1px1py0pz();
|
||||
|
||||
//z
|
||||
uint8_t iPreviousCubeIndexZ = m_pPreviousBitmask[getIndex(uXRegSpace,uYRegSpace)];
|
||||
iCubeIndex = iPreviousCubeIndexZ >> 4;
|
||||
v101 = m_sampVolume.peekVoxel1px0py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace);
|
||||
v100 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexX;
|
||||
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
v000 = m_sampVolume.getVoxel();
|
||||
v100 = m_sampVolume.peekVoxel1px0py0pz();
|
||||
v010 = m_sampVolume.peekVoxel0px1py0pz();
|
||||
v110 = m_sampVolume.peekVoxel1px1py0pz();
|
||||
|
||||
v001 = m_sampVolume.peekVoxel0px0py1pz();
|
||||
v101 = m_sampVolume.peekVoxel1px0py1pz();
|
||||
v011 = m_sampVolume.peekVoxel0px1py1pz();
|
||||
v111 = m_sampVolume.peekVoxel1px1py1pz();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
|
||||
v000 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace);
|
||||
v100 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v010 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v001 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
}
|
||||
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else //previous Z not available
|
||||
{
|
||||
if(isPrevYAvail)
|
||||
{
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexX | iPreviousCubeIndexY;
|
||||
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v010 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
//y
|
||||
uint8_t iPreviousCubeIndexY = m_pCurrentBitmask[getIndex(uXRegSpace,uYRegSpace-m_uStepSize)];
|
||||
iPreviousCubeIndexY &= 204; //204 = 128+64+8+4
|
||||
iPreviousCubeIndexY >>= 2;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexY;
|
||||
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
else //previous Y not available
|
||||
{
|
||||
if(isPrevXAvail)
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace);
|
||||
const uint8_t v100 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
//x
|
||||
uint8_t iPreviousCubeIndexX = m_pCurrentBitmask[getIndex(uXRegSpace-m_uStepSize,uYRegSpace)];
|
||||
iPreviousCubeIndexX &= 170; //170 = 128+32+8+2
|
||||
iPreviousCubeIndexX >>= 1;
|
||||
|
||||
iCubeIndex = iPreviousCubeIndexX;
|
||||
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
else //previous X not available
|
||||
{
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace);
|
||||
const uint8_t v000 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace);
|
||||
const uint8_t v100 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v010 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace);
|
||||
const uint8_t v110 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v001 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v101 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v011 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
m_sampVolume.setPosition(uXVolSpace+m_uStepSize,uYVolSpace+m_uStepSize,uZVolSpace+m_uStepSize);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxel(m_uLodLevel);
|
||||
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
if (v010 == 0) iCubeIndex |= 4;
|
||||
if (v110 == 0) iCubeIndex |= 8;
|
||||
if (v001 == 0) iCubeIndex |= 16;
|
||||
if (v101 == 0) iCubeIndex |= 32;
|
||||
if (v011 == 0) iCubeIndex |= 64;
|
||||
if (v111 == 0) iCubeIndex |= 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if(m_uLodLevel == 0)
|
||||
{
|
||||
const uint8_t v000 = m_sampVolume.getVoxel();
|
||||
const uint8_t v100 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace );
|
||||
const uint8_t v010 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace );
|
||||
const uint8_t v110 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace );
|
||||
v000 = m_sampVolume.getVoxel();
|
||||
v100 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace );
|
||||
v010 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace );
|
||||
v110 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace );
|
||||
|
||||
const uint8_t v001 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v101 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v011 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v111 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace+1);
|
||||
v001 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace , uZVolSpace+1);
|
||||
v101 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace , uZVolSpace+1);
|
||||
v011 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace , uYVolSpace+1, uZVolSpace+1);
|
||||
v111 = m_sampVolume.getVolume().getVoxelAtWithBoundCheck(uXVolSpace+1, uYVolSpace+1, uZVolSpace+1);
|
||||
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
@ -626,29 +710,29 @@ namespace PolyVox
|
||||
}
|
||||
else
|
||||
{
|
||||
const uint8_t v000 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v000 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+1, uYVolSpace , uZVolSpace );
|
||||
const uint8_t v100 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v100 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace , uYVolSpace+1, uZVolSpace );
|
||||
const uint8_t v010 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v010 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+1, uYVolSpace+1, uZVolSpace );
|
||||
const uint8_t v110 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v110 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace , uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v001 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v001 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+1, uYVolSpace , uZVolSpace+1);
|
||||
const uint8_t v101 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v101 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace , uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v011 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v011 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
m_sampVolume.setPosition(uXVolSpace+1, uYVolSpace+1, uZVolSpace+1);
|
||||
const uint8_t v111 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
v111 = m_sampVolume.getSubSampledVoxelWithBoundsCheck(m_uLodLevel);
|
||||
|
||||
if (v000 == 0) iCubeIndex |= 1;
|
||||
if (v100 == 0) iCubeIndex |= 2;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user