255 lines
11 KiB
C++
255 lines
11 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.
|
|
*******************************************************************************/
|
|
|
|
namespace PolyVox
|
|
{
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This constructor creates a volume with a fixed size which is specified as a parameter.
|
|
/// \param regValid Specifies the minimum and maximum valid voxel positions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
RawVolume<VoxelType>::RawVolume(const Region& regValid)
|
|
:BaseVolume<VoxelType>()
|
|
, m_regValidRegion(regValid)
|
|
, m_tBorderValue()
|
|
{
|
|
this->setBorderValue(VoxelType());
|
|
|
|
//Create a volume of the right size.
|
|
initialise(regValid);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This function should never be called. Copying volumes by value would be expensive, and we want to prevent users from doing
|
|
/// it by accident (such as when passing them as paramenters to functions). That said, there are times when you really do want to
|
|
/// make a copy of a volume and in this case you should look at the Volumeresampler.
|
|
///
|
|
/// \sa VolumeResampler
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
RawVolume<VoxelType>::RawVolume(const RawVolume<VoxelType>& /*rhs*/)
|
|
{
|
|
POLYVOX_THROW(not_implemented, "Volume copy constructor not implemented for performance reasons.");
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// Destroys the volume
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
RawVolume<VoxelType>::~RawVolume()
|
|
{
|
|
delete[] m_pData;
|
|
m_pData = 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This function should never be called. Copying volumes by value would be expensive, and we want to prevent users from doing
|
|
/// it by accident (such as when passing them as paramenters to functions). That said, there are times when you really do want to
|
|
/// make a copy of a volume and in this case you should look at the Volumeresampler.
|
|
///
|
|
/// \sa VolumeResampler
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
RawVolume<VoxelType>& RawVolume<VoxelType>::operator=(const RawVolume<VoxelType>& /*rhs*/)
|
|
{
|
|
POLYVOX_THROW(not_implemented, "Volume assignment operator not implemented for performance reasons.");
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// The border value is returned whenever an attempt is made to read a voxel which
|
|
/// is outside the extents of the volume.
|
|
/// \return The value used for voxels outside of the volume
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<VoxelType>::getBorderValue(void) const
|
|
{
|
|
return m_tBorderValue;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \return A Region representing the extent of the volume.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
const Region& RawVolume<VoxelType>::getEnclosingRegion(void) const
|
|
{
|
|
return m_regValidRegion;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \return The width of the volume in voxels. Note that this value is inclusive, so that if the valid range is e.g. 0 to 63 then the width is 64.
|
|
/// \sa getHeight(), getDepth()
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
int32_t RawVolume<VoxelType>::getWidth(void) const
|
|
{
|
|
return m_regValidRegion.getUpperX() - m_regValidRegion.getLowerX() + 1;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \return The height of the volume in voxels. Note that this value is inclusive, so that if the valid range is e.g. 0 to 63 then the height is 64.
|
|
/// \sa getWidth(), getDepth()
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
int32_t RawVolume<VoxelType>::getHeight(void) const
|
|
{
|
|
return m_regValidRegion.getUpperY() - m_regValidRegion.getLowerY() + 1;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \return The depth of the volume in voxels. Note that this value is inclusive, so that if the valid range is e.g. 0 to 63 then the depth is 64.
|
|
/// \sa getWidth(), getHeight()
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
int32_t RawVolume<VoxelType>::getDepth(void) const
|
|
{
|
|
return m_regValidRegion.getUpperZ() - m_regValidRegion.getLowerZ() + 1;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This version of the function is provided so that the wrap mode does not need
|
|
/// to be specified as a template parameter, as it may be confusing to some users.
|
|
/// \param uXPos The \c x position of the voxel
|
|
/// \param uYPos The \c y position of the voxel
|
|
/// \param uZPos The \c z position of the voxel
|
|
/// \return The voxel value
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<VoxelType>::getVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos) const
|
|
{
|
|
if (this->m_regValidRegion.containsPoint(uXPos, uYPos, uZPos))
|
|
{
|
|
const Region& regValidRegion = this->m_regValidRegion;
|
|
int32_t iLocalXPos = uXPos - regValidRegion.getLowerX();
|
|
int32_t iLocalYPos = uYPos - regValidRegion.getLowerY();
|
|
int32_t iLocalZPos = uZPos - regValidRegion.getLowerZ();
|
|
|
|
return m_pData
|
|
[
|
|
iLocalXPos +
|
|
iLocalYPos * this->getWidth() +
|
|
iLocalZPos * this->getWidth() * this->getHeight()
|
|
];
|
|
}
|
|
else
|
|
{
|
|
return m_tBorderValue;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This version of the function is provided so that the wrap mode does not need
|
|
/// to be specified as a template parameter, as it may be confusing to some users.
|
|
/// \param v3dPos The 3D position of the voxel
|
|
/// \return The voxel value
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
VoxelType RawVolume<VoxelType>::getVoxel(const Vector3DInt32& v3dPos) const
|
|
{
|
|
return getVoxel(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ());
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \param tBorder The value to use for voxels outside the volume.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
void RawVolume<VoxelType>::setBorderValue(const VoxelType& tBorder)
|
|
{
|
|
m_tBorderValue = tBorder;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \param uXPos the \c x position of the voxel
|
|
/// \param uYPos the \c y position of the voxel
|
|
/// \param uZPos the \c z position of the voxel
|
|
/// \param tValue the value to which the voxel will be set
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
void RawVolume<VoxelType>::setVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue)
|
|
{
|
|
if (this->m_regValidRegion.containsPoint(Vector3DInt32(uXPos, uYPos, uZPos)) == false)
|
|
{
|
|
POLYVOX_THROW(std::out_of_range, "Position is outside valid region");
|
|
}
|
|
|
|
const Vector3DInt32& v3dLowerCorner = this->m_regValidRegion.getLowerCorner();
|
|
int32_t iLocalXPos = uXPos - v3dLowerCorner.getX();
|
|
int32_t iLocalYPos = uYPos - v3dLowerCorner.getY();
|
|
int32_t iLocalZPos = uZPos - v3dLowerCorner.getZ();
|
|
|
|
m_pData
|
|
[
|
|
iLocalXPos +
|
|
iLocalYPos * this->getWidth() +
|
|
iLocalZPos * this->getWidth() * this->getHeight()
|
|
] = tValue;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// \param v3dPos the 3D position of the voxel
|
|
/// \param tValue the value to which the voxel will be set
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
void RawVolume<VoxelType>::setVoxel(const Vector3DInt32& v3dPos, VoxelType tValue)
|
|
{
|
|
setVoxel(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ(), tValue);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// This function should probably be made internal...
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
void RawVolume<VoxelType>::initialise(const Region& regValidRegion)
|
|
{
|
|
this->m_regValidRegion = regValidRegion;
|
|
|
|
if(this->getWidth() <= 0)
|
|
{
|
|
POLYVOX_THROW(std::invalid_argument, "Volume width must be greater than zero.");
|
|
}
|
|
if(this->getHeight() <= 0)
|
|
{
|
|
POLYVOX_THROW(std::invalid_argument, "Volume height must be greater than zero.");
|
|
}
|
|
if(this->getDepth() <= 0)
|
|
{
|
|
POLYVOX_THROW(std::invalid_argument, "Volume depth must be greater than zero.");
|
|
}
|
|
|
|
//Create the data
|
|
m_pData = new VoxelType[this->getWidth() * this->getHeight()* this->getDepth()];
|
|
|
|
// Clear to zeros
|
|
std::fill(m_pData, m_pData + this->getWidth() * this->getHeight()* this->getDepth(), VoxelType());
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// Note: This function needs reviewing for accuracy...
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
template <typename VoxelType>
|
|
uint32_t RawVolume<VoxelType>::calculateSizeInBytes(void)
|
|
{
|
|
return this->getWidth() * this->getHeight() * this->getDepth() * sizeof(VoxelType);
|
|
}
|
|
}
|
|
|