80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2013 David Williams and Matthew Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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namespace PolyVox
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{
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template <typename VoxelType>
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CompressedBlock<VoxelType>::CompressedBlock()
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:m_pData(0)
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,m_uDataSizeInBytes(0)
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{
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}
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template <typename VoxelType>
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CompressedBlock<VoxelType>::~CompressedBlock()
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{
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delete[] m_pData;
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m_pData = 0;
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}
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template <typename VoxelType>
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const uint8_t* CompressedBlock<VoxelType>::getData(void) const
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{
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return m_pData;
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}
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template <typename VoxelType>
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uint32_t CompressedBlock<VoxelType>::getDataSizeInBytes(void) const
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{
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return m_uDataSizeInBytes;
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}
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template <typename VoxelType>
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void CompressedBlock<VoxelType>::setData(const uint8_t* const pData, uint32_t uDataSizeInBytes)
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{
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POLYVOX_THROW_IF(pData == 0, std::invalid_argument, "Pointer to data cannot be null");
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POLYVOX_THROW_IF(m_pData == pData, std::invalid_argument, "Attempting to copy data onto itself");
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// Delete any existing data
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delete[] m_pData;
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// Allocate new data
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m_uDataSizeInBytes = uDataSizeInBytes;
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m_pData = new uint8_t[uDataSizeInBytes];
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// Copy the data across
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memcpy(m_pData, pData, uDataSizeInBytes);
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// Flag as modified
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this->m_bDataModified = true;
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}
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template <typename VoxelType>
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uint32_t CompressedBlock<VoxelType>::calculateSizeInBytes(void)
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{
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// Returns the size of this class plus the size of the compressed data.
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uint32_t uSizeInBytes = sizeof(CompressedBlock<VoxelType>) + m_uDataSizeInBytes;
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return uSizeInBytes;
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}
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}
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