480 lines
18 KiB
C++
480 lines
18 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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#include "PolyVoxCore\Impl\Utility.h"
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#define CAN_GO_NEG_X(val) (val > this->mVolume->getEnclosingRegion().getLowerCorner().getX())
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#define CAN_GO_POS_X(val) (val < this->mVolume->getEnclosingRegion().getUpperCorner().getX())
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#define CAN_GO_NEG_Y(val) (val > this->mVolume->getEnclosingRegion().getLowerCorner().getY())
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#define CAN_GO_POS_Y(val) (val < this->mVolume->getEnclosingRegion().getUpperCorner().getY())
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#define CAN_GO_NEG_Z(val) (val > this->mVolume->getEnclosingRegion().getLowerCorner().getZ())
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#define CAN_GO_POS_Z(val) (val < this->mVolume->getEnclosingRegion().getUpperCorner().getZ())
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namespace PolyVox
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{
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template <typename VoxelType>
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RawVolume<VoxelType>::Sampler::Sampler(RawVolume<VoxelType>* volume)
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:BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >(volume)
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,mCurrentVoxel(0)
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,m_bIsCurrentPositionValidInX(false)
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,m_bIsCurrentPositionValidInY(false)
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,m_bIsCurrentPositionValidInZ(false)
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{
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}
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template <typename VoxelType>
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RawVolume<VoxelType>::Sampler::~Sampler()
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{
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::getVoxel(void) const
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{
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if(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 RawVolume<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 RawVolume<VoxelType>::Sampler::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
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{
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this->mXPosInVolume = xPos;
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this->mYPosInVolume = yPos;
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this->mZPosInVolume = zPos;
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const Vector3DInt32& v3dLowerCorner = this->mVolume->m_regValidRegion.getLowerCorner();
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int32_t iLocalXPos = xPos - v3dLowerCorner.getX();
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int32_t iLocalYPos = yPos - v3dLowerCorner.getY();
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int32_t iLocalZPos = zPos - v3dLowerCorner.getZ();
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const int32_t uVoxelIndex = iLocalXPos +
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iLocalYPos * this->mVolume->getWidth() +
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iLocalZPos * this->mVolume->getWidth() * this->mVolume->getHeight();
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mCurrentVoxel = this->mVolume->m_pData + uVoxelIndex;
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m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(xPos);
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m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(yPos);
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m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(zPos);
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}
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template <typename VoxelType>
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bool RawVolume<VoxelType>::Sampler::setVoxel(VoxelType tValue)
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{
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//return m_bIsCurrentPositionValid ? *mCurrentVoxel : this->mVolume->getBorderValue();
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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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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::movePositiveX(void)
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{
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this->mXPosInVolume++;
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++mCurrentVoxel;
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m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(this->mXPosInVolume);
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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::movePositiveY(void)
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{
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this->mYPosInVolume++;
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mCurrentVoxel += this->mVolume->getWidth();
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m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(this->mYPosInVolume);
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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::movePositiveZ(void)
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{
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this->mZPosInVolume++;
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mCurrentVoxel += this->mVolume->getWidth() * this->mVolume->getHeight();
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m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(this->mZPosInVolume);
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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::moveNegativeX(void)
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{
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this->mXPosInVolume--;
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--mCurrentVoxel;
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m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(this->mXPosInVolume);
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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::moveNegativeY(void)
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{
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this->mYPosInVolume--;
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mCurrentVoxel -= this->mVolume->getWidth();
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m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(this->mYPosInVolume);
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}
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template <typename VoxelType>
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void RawVolume<VoxelType>::Sampler::moveNegativeZ(void)
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{
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this->mZPosInVolume--;
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mCurrentVoxel -= this->mVolume->getWidth() * this->mVolume->getHeight();
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m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume+1);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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->getWidth());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<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) )
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{
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return *(mCurrentVoxel - this->mVolume->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(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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return this->getVoxelAt(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel + this->mVolume->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) )
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{
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return *(mCurrentVoxel + this->mVolume->getWidth());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel + this->mVolume->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume+1);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px1ny1nz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px1ny0pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
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{
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return *(mCurrentVoxel + 1 - this->mVolume->getWidth());
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}
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return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px1ny1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_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->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume+1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px0py1nz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
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{
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return *(mCurrentVoxel + 1 - this->mVolume->getWidth() * this->mVolume->getHeight());
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}
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return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume-1);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) )
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{
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return *(mCurrentVoxel + 1);
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}
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return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px0py1pz(void) const
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{
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if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + 1 + this->mVolume->getWidth() * this->mVolume->getHeight());
|
|
}
|
|
return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
|
|
}
|
|
return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<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->getWidth());
|
|
}
|
|
return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<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->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
|
|
}
|
|
return this->getVoxelAt(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<VoxelType>::Sampler::getVoxelAt(int32_t uXPos, int32_t uYPos, int32_t uZPos) const
|
|
{
|
|
if(this->mVolume->getEnclosingRegion().containsPoint(Vector3DInt32(uXPos, uYPos, uZPos))) //Would be better if we didn't have to build the Vector but could pass seperate params.
|
|
{
|
|
return this->mVolume->getVoxelAt(uXPos, uYPos, uZPos);
|
|
}
|
|
else
|
|
{
|
|
switch(m_eWrapMode)
|
|
{
|
|
case WrapModes::Clamp:
|
|
{
|
|
const Vector3DInt32& lowerCorner = this->mVolume->m_regValidRegion.getLowerCorner();
|
|
const Vector3DInt32& upperCorner = this->mVolume->m_regValidRegion.getUpperCorner();
|
|
|
|
int32_t iClampedX = clamp(uXPos, lowerCorner.getX(), upperCorner.getX());
|
|
int32_t iClampedY = clamp(uYPos, lowerCorner.getY(), upperCorner.getY());
|
|
int32_t iClampedZ = clamp(uZPos, lowerCorner.getZ(), upperCorner.getZ());
|
|
|
|
return this->mVolume->getVoxelAt(iClampedX, iClampedY, iClampedZ);
|
|
//No need to break as we've returned
|
|
}
|
|
case WrapModes::Border:
|
|
{
|
|
return this->m_tBorder;
|
|
//No need to break as we've returned
|
|
}
|
|
default:
|
|
{
|
|
//Should never happen
|
|
assert(false);
|
|
return VoxelType(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
bool RawVolume<VoxelType>::Sampler::isCurrentPositionValid(void) const
|
|
{
|
|
return m_bIsCurrentPositionValidInX && m_bIsCurrentPositionValidInY && m_bIsCurrentPositionValidInZ;
|
|
}
|
|
}
|
|
|
|
#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
|