540 lines
19 KiB
C++
540 lines
19 KiB
C++
/*******************************************************************************
|
|
Copyright (c) 2005-2009 David Williams
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
|
|
3. This notice may not be removed or altered from any source
|
|
distribution.
|
|
*******************************************************************************/
|
|
|
|
#include <array>
|
|
|
|
#define CAN_GO_NEG_X(val) ((val % this->mVolume->m_uChunkSideLength != 0))
|
|
#define CAN_GO_POS_X(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
#define CAN_GO_NEG_Y(val) ((val % this->mVolume->m_uChunkSideLength != 0))
|
|
#define CAN_GO_POS_Y(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
#define CAN_GO_NEG_Z(val) ((val % this->mVolume->m_uChunkSideLength != 0))
|
|
#define CAN_GO_POS_Z(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
|
|
#define NEG_X_DELTA (-(deltaX[this->m_uXPosInChunk-1]))
|
|
#define POS_X_DELTA (deltaX[this->m_uXPosInChunk])
|
|
#define NEG_Y_DELTA (-(deltaY[this->m_uYPosInChunk-1]))
|
|
#define POS_Y_DELTA (deltaY[this->m_uYPosInChunk])
|
|
#define NEG_Z_DELTA (-(deltaZ[this->m_uZPosInChunk-1]))
|
|
#define POS_Z_DELTA (deltaZ[this->m_uZPosInChunk])
|
|
|
|
namespace PolyVox
|
|
{
|
|
static const std::array<int32_t, 32> deltaX = { 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1 };
|
|
static const std::array<int32_t, 32> deltaY = { 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2 };
|
|
static const std::array<int32_t, 32> deltaZ = { 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4 };
|
|
|
|
template <typename VoxelType>
|
|
PagedVolume<VoxelType>::Sampler::Sampler(PagedVolume<VoxelType>* volume)
|
|
:BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >(volume)
|
|
{
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
PagedVolume<VoxelType>::Sampler::~Sampler()
|
|
{
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::getSubSampledVoxel(uint8_t uLevel) const
|
|
{
|
|
if(uLevel == 0)
|
|
{
|
|
return getVoxel();
|
|
}
|
|
else if(uLevel == 1)
|
|
{
|
|
VoxelType tValue = getVoxel();
|
|
tValue = (std::min)(tValue, peekVoxel1px0py0pz());
|
|
tValue = (std::min)(tValue, peekVoxel0px1py0pz());
|
|
tValue = (std::min)(tValue, peekVoxel1px1py0pz());
|
|
tValue = (std::min)(tValue, peekVoxel0px0py1pz());
|
|
tValue = (std::min)(tValue, peekVoxel1px0py1pz());
|
|
tValue = (std::min)(tValue, peekVoxel0px1py1pz());
|
|
tValue = (std::min)(tValue, peekVoxel1px1py1pz());
|
|
return tValue;
|
|
}
|
|
else
|
|
{
|
|
const uint8_t uSize = 1 << uLevel;
|
|
|
|
VoxelType tValue = (std::numeric_limits<VoxelType>::max)();
|
|
for(uint8_t z = 0; z < uSize; ++z)
|
|
{
|
|
for(uint8_t y = 0; y < uSize; ++y)
|
|
{
|
|
for(uint8_t x = 0; x < uSize; ++x)
|
|
{
|
|
tValue = (std::min)(tValue, this->mVolume->getVoxel(this->mXPosInVolume + x, this->mYPosInVolume + y, this->mZPosInVolume + z));
|
|
}
|
|
}
|
|
}
|
|
return tValue;
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::getVoxel(void) const
|
|
{
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::setPosition(const Vector3DInt32& v3dNewPos)
|
|
{
|
|
setPosition(v3dNewPos.getX(), v3dNewPos.getY(), v3dNewPos.getZ());
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::setPosition(xPos, yPos, zPos);
|
|
|
|
// Then we update the voxel pointer
|
|
const int32_t uXChunk = this->mXPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
|
|
const int32_t uYChunk = this->mYPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
|
|
const int32_t uZChunk = this->mZPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
|
|
|
|
m_uXPosInChunk = static_cast<uint16_t>(this->mXPosInVolume - (uXChunk << this->mVolume->m_uChunkSideLengthPower));
|
|
m_uYPosInChunk = static_cast<uint16_t>(this->mYPosInVolume - (uYChunk << this->mVolume->m_uChunkSideLengthPower));
|
|
m_uZPosInChunk = static_cast<uint16_t>(this->mZPosInVolume - (uZChunk << this->mVolume->m_uChunkSideLengthPower));
|
|
|
|
/*const uint32_t uVoxelIndexInChunk = m_uXPosInChunk +
|
|
m_uYPosInChunk * this->mVolume->m_uChunkSideLength +
|
|
m_uZPosInChunk * this->mVolume->m_uChunkSideLength * this->mVolume->m_uChunkSideLength;*/
|
|
|
|
uint32_t uVoxelIndexInChunk = morton256_x[m_uXPosInChunk] | morton256_y[m_uYPosInChunk] | morton256_z[m_uZPosInChunk];
|
|
|
|
auto pCurrentChunk = this->mVolume->canReuseLastAccessedChunk(uXChunk, uYChunk, uZChunk) ?
|
|
this->mVolume->m_pLastAccessedChunk : this->mVolume->getChunk(uXChunk, uYChunk, uZChunk);
|
|
|
|
m_CurrentChunkData = pCurrentChunk->m_tData;
|
|
mCurrentVoxel = m_CurrentChunkData + uVoxelIndexInChunk;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
bool PagedVolume<VoxelType>::Sampler::setVoxel(VoxelType tValue)
|
|
{
|
|
//Need to think what effect this has on any existing iterators.
|
|
POLYVOX_THROW(not_implemented, "This function cannot be used on PagedVolume samplers.");
|
|
return false;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::movePositiveX(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveX();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mXPosInVolume) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
++mCurrentVoxel;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::movePositiveY(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveY();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mYPosInVolume) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
mCurrentVoxel += this->mVolume->m_uChunkSideLength;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::movePositiveZ(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveZ();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mZPosInVolume) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
mCurrentVoxel += this->mVolume->m_uChunkSideLength * this->mVolume->m_uChunkSideLength;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::moveNegativeX(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeX();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mXPosInVolume + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
--mCurrentVoxel;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::moveNegativeY(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeY();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mYPosInVolume + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
mCurrentVoxel -= this->mVolume->m_uChunkSideLength;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void PagedVolume<VoxelType>::Sampler::moveNegativeZ(void)
|
|
{
|
|
// Base version updates position and validity flags.
|
|
BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeZ();
|
|
|
|
// Then we update the voxel pointer
|
|
if(((this->mZPosInVolume + 1) % this->mVolume->m_uChunkSideLength != 0))
|
|
{
|
|
//No need to compute new chunk.
|
|
mCurrentVoxel -= this->mVolume->m_uChunkSideLength * this->mVolume->m_uChunkSideLength;
|
|
}
|
|
else
|
|
{
|
|
//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
|
|
setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny1nz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny0pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny1pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume-1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py1nz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py0pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py1pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py1nz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py0pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py1pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume-1,this->mYPosInVolume+1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny1nz(void) const
|
|
{
|
|
if(CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny0pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny1pz(void) const
|
|
{
|
|
if(CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume-1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
|
|
{
|
|
if(CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(void) const
|
|
{
|
|
return *mCurrentVoxel;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
|
|
{
|
|
if(CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
|
|
{
|
|
if(CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
|
|
{
|
|
if(CAN_GO_POS_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
|
|
{
|
|
if(CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume,this->mYPosInVolume+1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny1nz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny0pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny1pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume-1,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py1nz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py1pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume,this->mZPosInVolume+1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py1nz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_NEG_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume-1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py0pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume+1,this->mYPosInVolume+1,this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py1pz(void) const
|
|
{
|
|
if(CAN_GO_POS_X(this->mXPosInVolume) && CAN_GO_POS_Y(this->mYPosInVolume) && CAN_GO_POS_Z(this->mZPosInVolume) )
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
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
|
|
|
|
#undef NEG_X_DELTA
|
|
#undef POS_X_DELTA
|
|
#undef NEG_Y_DELTA
|
|
#undef POS_Y_DELTA
|
|
#undef NEG_Z_DELTA
|
|
#undef POS_Z_DELTA |