67 lines
2.0 KiB
C++
67 lines
2.0 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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#ifndef __PolyVox_Block_H__
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#define __PolyVox_Block_H__
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#include "PolyVoxCore/Impl/TypeDef.h"
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#include "PolyVoxCore/PolyVoxForwardDeclarations.h"
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#include "PolyVoxCore/Vector.h"
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#include <limits>
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#include <vector>
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namespace PolyVox
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{
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template <typename VoxelType>
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class Block
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{
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friend class LargeVolume<VoxelType>;
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public:
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Block()
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:m_uBlockLastAccessed(0)
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,m_bDataModified(true)
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{
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}
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protected:
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// This is updated by the LargeVolume and used to discard the least recently used blocks.
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uint32_t m_uBlockLastAccessed;
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// This is so we can tell whether a uncompressed block has to be recompressed and whether
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// a compressed block has to be paged back to disk, or whether they can just be discarded.
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bool m_bDataModified;
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private:
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/// Private copy constructor to prevent accisdental copying
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Block(const Block& /*rhs*/) {};
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/// Private assignment operator to prevent accisdental copying
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Block& operator=(const Block& /*rhs*/) {};
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};
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}
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#endif
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