polyvox/include/PolyVox/RawVolumeSampler.inl
2015-12-26 21:45:41 +00:00

532 lines
20 KiB
C++

/*******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015 David Williams and Matthew Williams
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************/
#define CAN_GO_NEG_X(val) (val > this->mVolume->getEnclosingRegion().getLowerX())
#define CAN_GO_POS_X(val) (val < this->mVolume->getEnclosingRegion().getUpperX())
#define CAN_GO_NEG_Y(val) (val > this->mVolume->getEnclosingRegion().getLowerY())
#define CAN_GO_POS_Y(val) (val < this->mVolume->getEnclosingRegion().getUpperY())
#define CAN_GO_NEG_Z(val) (val > this->mVolume->getEnclosingRegion().getLowerZ())
#define CAN_GO_POS_Z(val) (val < this->mVolume->getEnclosingRegion().getUpperZ())
namespace PolyVox
{
template <typename VoxelType>
RawVolume<VoxelType>::Sampler::Sampler(RawVolume<VoxelType>* volume)
:BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >(volume)
,mCurrentVoxel(0)
, m_bIsCurrentPositionValidInX(false)
, m_bIsCurrentPositionValidInY(false)
, m_bIsCurrentPositionValidInZ(false)
{
}
template <typename VoxelType>
RawVolume<VoxelType>::Sampler::~Sampler()
{
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::getVoxel(void) const
{
if(this->isCurrentPositionValid())
{
return *mCurrentVoxel;
}
else
{
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
bool inline RawVolume<VoxelType>::Sampler::isCurrentPositionValid(void) const
{
return m_bIsCurrentPositionValidInX && m_bIsCurrentPositionValidInY && m_bIsCurrentPositionValidInZ;
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::setPosition(const Vector3DInt32& v3dNewPos)
{
setPosition(v3dNewPos.getX(), v3dNewPos.getY(), v3dNewPos.getZ());
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
{
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::setPosition(xPos, yPos, zPos);
m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(xPos);
m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(yPos);
m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(zPos);
// Then we update the voxel pointer
if(this->isCurrentPositionValid())
{
const Vector3DInt32& v3dLowerCorner = this->mVolume->m_regValidRegion.getLowerCorner();
int32_t iLocalXPos = xPos - v3dLowerCorner.getX();
int32_t iLocalYPos = yPos - v3dLowerCorner.getY();
int32_t iLocalZPos = zPos - v3dLowerCorner.getZ();
const int32_t uVoxelIndex = iLocalXPos +
iLocalYPos * this->mVolume->getWidth() +
iLocalZPos * this->mVolume->getWidth() * this->mVolume->getHeight();
mCurrentVoxel = this->mVolume->m_pData + uVoxelIndex;
}
else
{
mCurrentVoxel = 0;
}
}
template <typename VoxelType>
bool RawVolume<VoxelType>::Sampler::setVoxel(VoxelType tValue)
{
//return m_bIsCurrentPositionValid ? *mCurrentVoxel : this->mVolume->getBorderValue();
if(this->m_bIsCurrentPositionValidInX && this->m_bIsCurrentPositionValidInY && this->m_bIsCurrentPositionValidInZ)
{
*mCurrentVoxel = tValue;
return true;
}
else
{
return false;
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::movePositiveX(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::movePositiveX();
m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(this->mXPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
++mCurrentVoxel;
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::movePositiveY(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::movePositiveY();
m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(this->mYPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
mCurrentVoxel += this->mVolume->getWidth();
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::movePositiveZ(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::movePositiveZ();
m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(this->mZPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
mCurrentVoxel += this->mVolume->getWidth() * this->mVolume->getHeight();
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::moveNegativeX(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::moveNegativeX();
m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(this->mXPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
--mCurrentVoxel;
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::moveNegativeY(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::moveNegativeY();
m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(this->mYPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
mCurrentVoxel -= this->mVolume->getWidth();
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
void RawVolume<VoxelType>::Sampler::moveNegativeZ(void)
{
// We'll need this in a moment...
bool bIsOldPositionValid = this->isCurrentPositionValid();
// Base version updates position and validity flags.
BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> >::moveNegativeZ();
m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(this->mZPosInVolume);
// Then we update the voxel pointer
if(this->isCurrentPositionValid() && bIsOldPositionValid )
{
mCurrentVoxel -= this->mVolume->getWidth() * this->mVolume->getHeight();
}
else
{
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1ny1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - 1 - this->mVolume->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1ny0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
{
return *(mCurrentVoxel - 1 - this->mVolume->getWidth());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1ny1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - 1 - this->mVolume->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume+1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx0py1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - 1 - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx0py0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) )
{
return *(mCurrentVoxel - 1);
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx0py1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - 1 + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume+1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1py1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_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->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1py0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) )
{
return *(mCurrentVoxel - 1 + this->mVolume->getWidth());
}
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1nx1py1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_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->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume+1);
}
//////////////////////////////////////////////////////////////////////////
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1ny1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - this->mVolume->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1ny0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) )
{
return *(mCurrentVoxel - this->mVolume->getWidth());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1ny1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - this->mVolume->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume+1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_NEG_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(void) const
{
if((this->isCurrentPositionValid()))
{
return *mCurrentVoxel;
}
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_POS_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume+1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel + this->mVolume->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) )
{
return *(mCurrentVoxel + this->mVolume->getWidth());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
{
return *(mCurrentVoxel + this->mVolume->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume+1);
}
//////////////////////////////////////////////////////////////////////////
template <typename VoxelType>
VoxelType RawVolume<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->getWidth() - this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<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->getWidth());
}
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<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->getWidth() + this->mVolume->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume+1);
}
template <typename VoxelType>
VoxelType RawVolume<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->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume-1);
}
template <typename VoxelType>
VoxelType RawVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
{
if((this->isCurrentPositionValid()) && CAN_GO_POS_X(this->mXPosInVolume) )
{
return *(mCurrentVoxel + 1);
}
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume);
}
template <typename VoxelType>
VoxelType RawVolume<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->getWidth() * this->mVolume->getHeight());
}
return this->mVolume->getVoxel(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->mVolume->getVoxel(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->mVolume->getVoxel(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->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume+1);
}
}
#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