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Optimization to VolumeSampler::setPosition();

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This commit is contained in:
David Williams 2009-06-06 14:26:21 +00:00
parent b03cfbf26c
commit e6e66624ea
1 changed files with 9 additions and 9 deletions
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18
library/PolyVoxCore/include/VolumeSampler.inl
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@ -190,20 +190,20 @@ namespace PolyVox
mYPosInVolume = yPos;
mZPosInVolume = zPos;
uint16_t uXBlock = mXPosInVolume >> mVolume.m_uBlockSideLengthPower;
uint16_t uYBlock = mYPosInVolume >> mVolume.m_uBlockSideLengthPower;
uint16_t uZBlock = mZPosInVolume >> mVolume.m_uBlockSideLengthPower;
const uint16_t uXBlock = mXPosInVolume >> mVolume.m_uBlockSideLengthPower;
const uint16_t uYBlock = mYPosInVolume >> mVolume.m_uBlockSideLengthPower;
const uint16_t uZBlock = mZPosInVolume >> mVolume.m_uBlockSideLengthPower;
uint16_t uXPosInBlock = mXPosInVolume - (uXBlock << mVolume.m_uBlockSideLengthPower);
uint16_t uYPosInBlock = mYPosInVolume - (uYBlock << mVolume.m_uBlockSideLengthPower);
uint16_t uZPosInBlock = mZPosInVolume - (uZBlock << mVolume.m_uBlockSideLengthPower);
const uint16_t uXPosInBlock = mXPosInVolume - (uXBlock << mVolume.m_uBlockSideLengthPower);
const uint16_t uYPosInBlock = mYPosInVolume - (uYBlock << mVolume.m_uBlockSideLengthPower);
const uint16_t uZPosInBlock = mZPosInVolume - (uZBlock << mVolume.m_uBlockSideLengthPower);
uint32_t uBlockIndexInVolume = uXBlock +
const uint32_t uBlockIndexInVolume = uXBlock +
uYBlock * mVolume.m_uWidthInBlocks +
uZBlock * mVolume.m_uWidthInBlocks * mVolume.m_uHeightInBlocks;
POLYVOX_SHARED_PTR< Block<VoxelType> > currentBlock = mVolume.m_pBlocks[uBlockIndexInVolume];
const POLYVOX_SHARED_PTR< Block<VoxelType> >& currentBlock = mVolume.m_pBlocks[uBlockIndexInVolume];
uint32_t uVoxelIndexInBlock = uXPosInBlock +
const uint32_t uVoxelIndexInBlock = uXPosInBlock +
uYPosInBlock * mVolume.m_uBlockSideLength +
uZPosInBlock * mVolume.m_uBlockSideLength * mVolume.m_uBlockSideLength;
mCurrentVoxel = currentBlock->m_tData + uVoxelIndexInBlock;