131 lines
4.4 KiB
C++
131 lines
4.4 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 "PolyVoxCore/Impl/ErrorHandling.h"
|
|
|
|
namespace PolyVox
|
|
{
|
|
template <typename VoxelType>
|
|
SimpleVolume<VoxelType>::Block::Block(uint16_t uSideLength)
|
|
:m_tUncompressedData(0)
|
|
,m_uSideLength(0)
|
|
,m_uSideLengthPower(0)
|
|
{
|
|
if(uSideLength != 0)
|
|
{
|
|
initialise(uSideLength);
|
|
}
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
SimpleVolume<VoxelType>::Block::~Block()
|
|
{
|
|
delete[] m_tUncompressedData;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
uint16_t SimpleVolume<VoxelType>::Block::getSideLength(void) const
|
|
{
|
|
return m_uSideLength;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType SimpleVolume<VoxelType>::Block::getVoxelAt(uint16_t uXPos, uint16_t uYPos, uint16_t uZPos) const
|
|
{
|
|
// This is internal code not directly called by the user. For efficiency we assert rather than throwing.
|
|
POLYVOX_ASSERT(uXPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(uYPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(uZPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(m_tUncompressedData, "No uncompressed data available");
|
|
|
|
return m_tUncompressedData
|
|
[
|
|
uXPos +
|
|
uYPos * m_uSideLength +
|
|
uZPos * m_uSideLength * m_uSideLength
|
|
];
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType SimpleVolume<VoxelType>::Block::getVoxelAt(const Vector3DUint16& v3dPos) const
|
|
{
|
|
return getVoxelAt(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ());
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void SimpleVolume<VoxelType>::Block::setVoxelAt(uint16_t uXPos, uint16_t uYPos, uint16_t uZPos, VoxelType tValue)
|
|
{
|
|
// This is internal code not directly called by the user. For efficiency we assert rather than throwing.
|
|
POLYVOX_ASSERT(uXPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(uYPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(uZPos < m_uSideLength, "Position is outside of the block.");
|
|
POLYVOX_ASSERT(m_tUncompressedData, "No uncompressed data available");
|
|
|
|
m_tUncompressedData
|
|
[
|
|
uXPos +
|
|
uYPos * m_uSideLength +
|
|
uZPos * m_uSideLength * m_uSideLength
|
|
] = tValue;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void SimpleVolume<VoxelType>::Block::setVoxelAt(const Vector3DUint16& v3dPos, VoxelType tValue)
|
|
{
|
|
setVoxelAt(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ(), tValue);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void SimpleVolume<VoxelType>::Block::fill(VoxelType tValue)
|
|
{
|
|
const uint32_t uNoOfVoxels = m_uSideLength * m_uSideLength * m_uSideLength;
|
|
std::fill(m_tUncompressedData, m_tUncompressedData + uNoOfVoxels, tValue);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
void SimpleVolume<VoxelType>::Block::initialise(uint16_t uSideLength)
|
|
{
|
|
//Release mode validation
|
|
if(!isPowerOf2(uSideLength))
|
|
{
|
|
POLYVOX_THROW(std::invalid_argument, "Block side length must be a power of two.");
|
|
}
|
|
|
|
//Compute the side length
|
|
m_uSideLength = uSideLength;
|
|
m_uSideLengthPower = logBase2(uSideLength);
|
|
|
|
m_tUncompressedData = new VoxelType[m_uSideLength * m_uSideLength * m_uSideLength];
|
|
|
|
SimpleVolume<VoxelType>::Block::fill(VoxelType());
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
uint32_t SimpleVolume<VoxelType>::Block::calculateSizeInBytes(void)
|
|
{
|
|
uint32_t uSizeInBytes = sizeof(Block);
|
|
uSizeInBytes += sizeof(VoxelType) * m_uSideLength * m_uSideLength * m_uSideLength;
|
|
return uSizeInBytes;
|
|
}
|
|
}
|