Renamed Volume to LargeVolume.
This commit is contained in:
David Williams
533
library/PolyVoxCore/include/LargeVolumeSampler.inl
Normal file
533
library/PolyVoxCore/include/LargeVolumeSampler.inl
Normal file
@ -0,0 +1,533 @@
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/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "PolyVoxImpl/Block.h"
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#include "LargeVolume.h"
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#include "Vector.h"
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#include "Region.h"
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#define BORDER_LOW(x) ((( x >> mVolume->m_uBlockSideLengthPower) << mVolume->m_uBlockSideLengthPower) != x)
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#define BORDER_HIGH(x) ((( (x+1) >> mVolume->m_uBlockSideLengthPower) << mVolume->m_uBlockSideLengthPower) != (x+1))
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//#define BORDER_LOW(x) (( x % mVolume->m_uBlockSideLength) != 0)
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//#define BORDER_HIGH(x) (( x % mVolume->m_uBlockSideLength) != mVolume->m_uBlockSideLength - 1)
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#include <limits>
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namespace PolyVox
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{
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template <typename VoxelType>
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LargeVolume<VoxelType>::Sampler::Sampler(LargeVolume<VoxelType>* volume)
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:mVolume(volume)
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{
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}
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template <typename VoxelType>
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LargeVolume<VoxelType>::Sampler::~Sampler()
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{
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}
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template <typename VoxelType>
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typename LargeVolume<VoxelType>::Sampler& LargeVolume<VoxelType>::Sampler::operator=(const typename LargeVolume<VoxelType>::Sampler& rhs) throw()
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{
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if(this == &rhs)
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{
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return *this;
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}
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mVolume = rhs.mVolume;
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mXPosInVolume = rhs.mXPosInVolume;
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mYPosInVolume = rhs.mYPosInVolume;
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mZPosInVolume = rhs.mZPosInVolume;
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mCurrentVoxel = rhs.mCurrentVoxel;
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return *this;
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}
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template <typename VoxelType>
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int32_t LargeVolume<VoxelType>::Sampler::getPosX(void) const
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{
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return mXPosInVolume;
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}
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template <typename VoxelType>
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int32_t LargeVolume<VoxelType>::Sampler::getPosY(void) const
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{
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return mYPosInVolume;
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}
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template <typename VoxelType>
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int32_t LargeVolume<VoxelType>::Sampler::getPosZ(void) const
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{
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return mZPosInVolume;
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::getSubSampledVoxel(uint8_t uLevel) const
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{
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if(uLevel == 0)
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{
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return getVoxel();
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}
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else if(uLevel == 1)
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{
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VoxelType tValue = getVoxel();
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tValue = (std::min)(tValue, peekVoxel1px0py0pz());
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tValue = (std::min)(tValue, peekVoxel0px1py0pz());
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tValue = (std::min)(tValue, peekVoxel1px1py0pz());
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tValue = (std::min)(tValue, peekVoxel0px0py1pz());
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tValue = (std::min)(tValue, peekVoxel1px0py1pz());
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tValue = (std::min)(tValue, peekVoxel0px1py1pz());
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tValue = (std::min)(tValue, peekVoxel1px1py1pz());
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return tValue;
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}
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else
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{
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const uint8_t uSize = 1 << uLevel;
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VoxelType tValue = (std::numeric_limits<VoxelType>::max)();
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for(uint8_t z = 0; z < uSize; ++z)
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{
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for(uint8_t y = 0; y < uSize; ++y)
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{
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for(uint8_t x = 0; x < uSize; ++x)
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{
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tValue = (std::min)(tValue, mVolume->getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
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}
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}
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}
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return tValue;
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}
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}
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template <typename VoxelType>
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const LargeVolume<VoxelType>* LargeVolume<VoxelType>::Sampler::getVolume(void) const
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{
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return mVolume;
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::getVoxel(void) const
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{
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return *mCurrentVoxel;
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::setPosition(const Vector3DInt32& v3dNewPos)
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{
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setPosition(v3dNewPos.getX(), v3dNewPos.getY(), v3dNewPos.getZ());
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
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{
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mXPosInVolume = xPos;
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mYPosInVolume = yPos;
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mZPosInVolume = zPos;
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const int32_t uXBlock = mXPosInVolume >> mVolume->m_uBlockSideLengthPower;
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const int32_t uYBlock = mYPosInVolume >> mVolume->m_uBlockSideLengthPower;
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const int32_t uZBlock = mZPosInVolume >> mVolume->m_uBlockSideLengthPower;
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const uint16_t uXPosInBlock = mXPosInVolume - (uXBlock << mVolume->m_uBlockSideLengthPower);
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const uint16_t uYPosInBlock = mYPosInVolume - (uYBlock << mVolume->m_uBlockSideLengthPower);
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const uint16_t uZPosInBlock = mZPosInVolume - (uZBlock << mVolume->m_uBlockSideLengthPower);
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const uint32_t uVoxelIndexInBlock = uXPosInBlock +
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uYPosInBlock * mVolume->m_uBlockSideLength +
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uZPosInBlock * mVolume->m_uBlockSideLength * mVolume->m_uBlockSideLength;
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if(mVolume->m_regValidRegionInBlocks.containsPoint(Vector3DInt32(uXBlock, uYBlock, uZBlock)))
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{
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Block<VoxelType>* pUncompressedCurrentBlock = mVolume->getUncompressedBlock(uXBlock, uYBlock, uZBlock);
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mCurrentVoxel = pUncompressedCurrentBlock->m_tUncompressedData + uVoxelIndexInBlock;
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}
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else
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{
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mCurrentVoxel = mVolume->m_pUncompressedBorderData + uVoxelIndexInBlock;
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::movePositiveX(void)
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{
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//Note the *pre* increament here
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if((++mXPosInVolume) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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++mCurrentVoxel;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::movePositiveY(void)
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{
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//Note the *pre* increament here
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if((++mYPosInVolume) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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mCurrentVoxel += mVolume->m_uBlockSideLength;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::movePositiveZ(void)
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{
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//Note the *pre* increament here
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if((++mZPosInVolume) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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mCurrentVoxel += mVolume->m_uBlockSideLength * mVolume->m_uBlockSideLength;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::moveNegativeX(void)
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{
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//Note the *post* decreament here
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if((mXPosInVolume--) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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--mCurrentVoxel;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::moveNegativeY(void)
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{
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//Note the *post* decreament here
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if((mYPosInVolume--) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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mCurrentVoxel -= mVolume->m_uBlockSideLength;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void LargeVolume<VoxelType>::Sampler::moveNegativeZ(void)
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{
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//Note the *post* decreament here
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if((mZPosInVolume--) % mVolume->m_uBlockSideLength != 0)
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{
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//No need to compute new block.
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mCurrentVoxel -= mVolume->m_uBlockSideLength * mVolume->m_uBlockSideLength;
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}
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else
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{
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//We've hit the block boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1ny1nz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) && BORDER_LOW(mYPosInVolume) && BORDER_LOW(mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume-1,mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1ny0pz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) && BORDER_LOW(mYPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume-1,mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1ny1pz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) && BORDER_LOW(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume-1,mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx0py1nz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) && BORDER_LOW(mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume,mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx0py0pz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) )
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{
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return *(mCurrentVoxel - 1);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume,mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx0py1pz(void) const
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{
|
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if( BORDER_LOW(mXPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
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{
|
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return *(mCurrentVoxel - 1 + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume,mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1py1nz(void) const
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{
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if( BORDER_LOW(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) && BORDER_LOW(mYPosInVolume) )
|
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{
|
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return *(mCurrentVoxel - 1 + mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
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}
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return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume+1,mZPosInVolume-1);
|
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}
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|
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1py0pz(void) const
|
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{
|
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if( BORDER_LOW(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) )
|
||||
{
|
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return *(mCurrentVoxel - 1 + mVolume->m_uBlockSideLength);
|
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}
|
||||
return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume+1,mZPosInVolume);
|
||||
}
|
||||
|
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template <typename VoxelType>
|
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1py1pz(void) const
|
||||
{
|
||||
if( BORDER_LOW(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel - 1 + mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume-1,mYPosInVolume+1,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny1nz(void) const
|
||||
{
|
||||
if( BORDER_LOW(mYPosInVolume) && BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel - mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume-1,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny0pz(void) const
|
||||
{
|
||||
if( BORDER_LOW(mYPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel - mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume-1,mZPosInVolume);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny1pz(void) const
|
||||
{
|
||||
if( BORDER_LOW(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel - mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume-1,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
|
||||
{
|
||||
if( BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(void) const
|
||||
{
|
||||
return *mCurrentVoxel;
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mYPosInVolume) && BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume+1,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mYPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume+1,mZPosInVolume);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume,mYPosInVolume+1,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny1nz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_LOW(mYPosInVolume) && BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 - mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume-1,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny0pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_LOW(mYPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 - mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume-1,mZPosInVolume);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny1pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_LOW(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 - mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume-1,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py1nz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume,mZPosInVolume);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py1pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume,mZPosInVolume+1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py1nz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) && BORDER_LOW(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 + mVolume->m_uBlockSideLength - mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume+1,mZPosInVolume-1);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py0pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 + mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume+1,mZPosInVolume);
|
||||
}
|
||||
|
||||
template <typename VoxelType>
|
||||
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py1pz(void) const
|
||||
{
|
||||
if( BORDER_HIGH(mXPosInVolume) && BORDER_HIGH(mYPosInVolume) && BORDER_HIGH(mZPosInVolume) )
|
||||
{
|
||||
return *(mCurrentVoxel + 1 + mVolume->m_uBlockSideLength + mVolume->m_uBlockSideLength*mVolume->m_uBlockSideLength);
|
||||
}
|
||||
return mVolume->getVoxelAt(mXPosInVolume+1,mYPosInVolume+1,mZPosInVolume+1);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user