polyvox/PolyVoxCore/include/BlockVolume.h
2008-06-08 19:16:53 +00:00

87 lines
2.8 KiB
C++

#pragma region License
/******************************************************************************
This file is part of the PolyVox library
Copyright (C) 2006 David Williams
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#pragma endregion
#ifndef __PolyVox_BlockVolume_H__
#define __PolyVox_BlockVolume_H__
#pragma region Headers
#include "PolyVoxForwardDeclarations.h"
#include "boost/cstdint.hpp"
#include <map>
#pragma endregion
namespace PolyVox
{
template <typename VoxelType>
class BlockVolume
{
//Make BlockVolumeIterator a friend
friend class BlockVolumeIterator<VoxelType>;
public:
BlockVolume(boost::uint8_t uSideLengthPower, boost::uint8_t uBlockSideLengthPower = 5);
BlockVolume(const BlockVolume& rhs);
~BlockVolume();
BlockVolume& operator=(const BlockVolume& rhs);
Region getEnclosingRegion(void) const;
boost::uint16_t getSideLength(void) const;
VoxelType getVoxelAt(boost::uint16_t uXPos, boost::uint16_t uYPos, boost::uint16_t uZPos) const;
VoxelType getVoxelAt(const Vector3DUint16& v3dPos) const;
bool containsPoint(const Vector3DFloat& pos, float boundary) const;
bool containsPoint(const Vector3DInt32& pos, boost::uint16_t boundary) const;
BlockVolumeIterator<VoxelType> firstVoxel(void);
void idle(boost::uint32_t uAmount);
BlockVolumeIterator<VoxelType> lastVoxel(void);
private:
Block<VoxelType>* getHomogenousBlock(VoxelType tHomogenousValue) const;
Block<VoxelType>** m_pBlocks;
bool* m_pIsShared;
bool* m_pIsPotentiallySharable;
VoxelType* m_pHomogenousValue;
mutable std::map<VoxelType, Block<VoxelType>*> m_pHomogenousBlocks;
boost::uint32_t m_uNoOfBlocksInVolume;
boost::uint16_t m_uSideLengthInBlocks;
boost::uint8_t m_uSideLengthPower;
boost::uint16_t m_uSideLength;
boost::uint8_t m_uBlockSideLengthPower;
boost::uint16_t m_uBlockSideLength;
};
//Some handy typedefs
typedef BlockVolume<float> FloatBlockVolume;
typedef BlockVolume<boost::uint8_t> UInt8BlockVolume;
typedef BlockVolume<boost::uint16_t> UInt16BlockVolume;
}
#include "BlockVolume.inl"
#endif