563 lines
24 KiB
C++
563 lines
24 KiB
C++
/*******************************************************************************
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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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#define CAN_GO_NEG_X(val) ((val > this->mVolume->getEnclosingRegion().getLowerX()) && (val % this->mVolume->m_uBlockSideLength != 0))
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#define CAN_GO_POS_X(val) ((val < this->mVolume->getEnclosingRegion().getUpperX()) && ((val + 1) % this->mVolume->m_uBlockSideLength != 0))
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#define CAN_GO_NEG_Y(val) ((val > this->mVolume->getEnclosingRegion().getLowerY()) && (val % this->mVolume->m_uBlockSideLength != 0))
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#define CAN_GO_POS_Y(val) ((val < this->mVolume->getEnclosingRegion().getUpperY()) && ((val + 1) % this->mVolume->m_uBlockSideLength != 0))
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#define CAN_GO_NEG_Z(val) ((val > this->mVolume->getEnclosingRegion().getLowerZ()) && (val % this->mVolume->m_uBlockSideLength != 0))
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#define CAN_GO_POS_Z(val) ((val < this->mVolume->getEnclosingRegion().getUpperZ()) && ((val + 1) % this->mVolume->m_uBlockSideLength != 0))
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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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:BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >(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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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, this->mVolume->getVoxelAt(this->mXPosInVolume + x, this->mYPosInVolume + y, this->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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VoxelType LargeVolume<VoxelType>::Sampler::getVoxel(void) const
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{
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if(this->isCurrentPositionValid())
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{
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return *mCurrentVoxel;
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}
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else
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{
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return getVoxelAt(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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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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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::setPosition(xPos, yPos, zPos);
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// Then we update the voxel pointer
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if(this->isCurrentPositionValid())
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{
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const int32_t uXBlock = this->mXPosInVolume >> this->mVolume->m_uBlockSideLengthPower;
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const int32_t uYBlock = this->mYPosInVolume >> this->mVolume->m_uBlockSideLengthPower;
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const int32_t uZBlock = this->mZPosInVolume >> this->mVolume->m_uBlockSideLengthPower;
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const uint16_t uXPosInBlock = static_cast<uint16_t>(this->mXPosInVolume - (uXBlock << this->mVolume->m_uBlockSideLengthPower));
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const uint16_t uYPosInBlock = static_cast<uint16_t>(this->mYPosInVolume - (uYBlock << this->mVolume->m_uBlockSideLengthPower));
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const uint16_t uZPosInBlock = static_cast<uint16_t>(this->mZPosInVolume - (uZBlock << this->mVolume->m_uBlockSideLengthPower));
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const uint32_t uVoxelIndexInBlock = uXPosInBlock +
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uYPosInBlock * this->mVolume->m_uBlockSideLength +
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uZPosInBlock * this->mVolume->m_uBlockSideLength * this->mVolume->m_uBlockSideLength;
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Block<VoxelType>* pUncompressedCurrentBlock = this->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 = 0;
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}
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}
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template <typename VoxelType>
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bool LargeVolume<VoxelType>::Sampler::setVoxel(VoxelType tValue)
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{
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/*if(m_bIsCurrentPositionValidInX && m_bIsCurrentPositionValidInY && m_bIsCurrentPositionValidInZ)
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{
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*mCurrentVoxel = tValue;
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return true;
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}
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else
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{
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return false;
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}*/
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//Need to think what effect this has on any existing iterators.
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POLYVOX_THROW(not_implemented, "This function cannot be used on LargeVolume samplers.");
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return false;
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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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::movePositiveX();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mXPosInVolume) % this->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(this->mXPosInVolume, this->mYPosInVolume, this->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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::movePositiveY();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mYPosInVolume) % this->mVolume->m_uBlockSideLength != 0))
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{
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//No need to compute new block.
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mCurrentVoxel += this->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(this->mXPosInVolume, this->mYPosInVolume, this->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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::movePositiveZ();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mZPosInVolume) % this->mVolume->m_uBlockSideLength != 0))
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{
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//No need to compute new block.
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mCurrentVoxel += this->mVolume->m_uBlockSideLength * this->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(this->mXPosInVolume, this->mYPosInVolume, this->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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::moveNegativeX();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mXPosInVolume + 1) % this->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(this->mXPosInVolume, this->mYPosInVolume, this->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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::moveNegativeY();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mYPosInVolume + 1) % this->mVolume->m_uBlockSideLength != 0))
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{
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//No need to compute new block.
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mCurrentVoxel -= this->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(this->mXPosInVolume, this->mYPosInVolume, this->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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// We'll need this in a moment...
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bool bIsOldPositionValid = this->isCurrentPositionValid();
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< LargeVolume<VoxelType> >::moveNegativeZ();
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// Then we update the voxel pointer
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if((this->isCurrentPositionValid()) && bIsOldPositionValid && ((this->mZPosInVolume + 1) % this->mVolume->m_uBlockSideLength != 0))
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{
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//No need to compute new block.
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mCurrentVoxel -= this->mVolume->m_uBlockSideLength * this->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(this->mXPosInVolume, this->mYPosInVolume, this->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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) )
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{
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return *(mCurrentVoxel - 1);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 + this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
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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((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) )
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{
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return *(mCurrentVoxel - 1 + this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1nx1py1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - 1 + this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny1nz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny0pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) )
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{
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return *(mCurrentVoxel - this->mVolume->m_uBlockSideLength);
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}
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return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
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}
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template <typename VoxelType>
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VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1ny1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel - this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()))
|
|
{
|
|
return *mCurrentVoxel;
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny1nz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 - this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny0pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 - this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1ny1pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 - this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py1nz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px0py1pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py1nz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 + this->mVolume->m_uBlockSideLength - this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume-1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py0pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 + this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType LargeVolume<VoxelType>::Sampler::peekVoxel1px1py1pz(void) const
|
|
{
|
|
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 + this->mVolume->m_uBlockSideLength + this->mVolume->m_uBlockSideLength*this->mVolume->m_uBlockSideLength);
|
|
}
|
|
return this->mVolume->getVoxelWithWrapping(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume+1,this->m_eWrapMode, this->m_tBorder);
|
|
}
|
|
}
|
|
|
|
#undef CAN_GO_NEG_X
|
|
#undef CAN_GO_POS_X
|
|
#undef CAN_GO_NEG_Y
|
|
#undef CAN_GO_POS_Y
|
|
#undef CAN_GO_NEG_Z
|
|
#undef CAN_GO_POS_Z
|