103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
#pragma region License
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/******************************************************************************
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This file is part of the PolyVox library
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Copyright (C) 2006 David Williams
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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******************************************************************************/
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#pragma endregion
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#include <cstring>
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namespace PolyVox
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{
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template <typename VoxelType>
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LinearVolume<VoxelType>::LinearVolume(boost::uint8_t uSideLengthPower)
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:m_tData(0)
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{
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//Check the block size is sensible. This corresponds to a side length of 256 voxels
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assert(uSideLengthPower <= 8);
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//Compute the side length
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m_uSideLengthPower = uSideLengthPower;
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m_uSideLength = 0x01 << uSideLengthPower;
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//If this fails an exception will be thrown. Memory is not
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//allocated and there is nothing else in this class to clean up
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m_tData = new VoxelType[getNoOfVoxels()];
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}
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template <typename VoxelType>
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LinearVolume<VoxelType>::LinearVolume(const LinearVolume<VoxelType>& rhs)
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{
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*this = rhs;
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}
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template <typename VoxelType>
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LinearVolume<VoxelType>::~LinearVolume()
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{
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delete[] m_tData;
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m_tData = 0;
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}
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template <typename VoxelType>
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LinearVolume<VoxelType>& LinearVolume<VoxelType>::operator=(const LinearVolume<VoxelType>& rhs)
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{
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if (this == &rhs)
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{
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return *this;
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}
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memcpy(m_tData,rhs.m_tData,getNoOfVoxels());
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return *this;
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}
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template <typename VoxelType>
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VoxelType LinearVolume<VoxelType>::getVoxelAt(const boost::uint16_t xPosition, const boost::uint16_t yPosition, const boost::uint16_t zPosition) const
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{
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return m_tData
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[
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xPosition +
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yPosition * m_uSideLength +
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zPosition * m_uSideLength * m_uSideLength
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];
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}
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template <typename VoxelType>
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void LinearVolume<VoxelType>::setVoxelAt(const boost::uint16_t xPosition, const boost::uint16_t yPosition, const boost::uint16_t zPosition, const VoxelType value)
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{
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m_tData
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[
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xPosition +
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yPosition * m_uSideLength +
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zPosition * m_uSideLength * m_uSideLength
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] = value;
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}
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template <typename VoxelType>
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boost::uint16_t LinearVolume<VoxelType>::getSideLength(void)
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{
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return m_uSideLength;
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}
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template <typename VoxelType>
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boost::uint32_t LinearVolume<VoxelType>::getNoOfVoxels(void)
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{
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return m_uSideLength * m_uSideLength * m_uSideLength;
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}
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}
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