/******************************************************************************* 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. *******************************************************************************/ #ifndef __PolyVox_RawVolume_H__ #define __PolyVox_RawVolume_H__ #include "PolyVox/BaseVolume.h" #include "PolyVox/Region.h" #include "PolyVox/Vector.h" #include //For abort() #include #include #include //For invalid_argument namespace PolyVox { template class RawVolume : public BaseVolume { public: #ifndef SWIG //There seems to be some descrepency between Visual Studio and GCC about how the following class should be declared. //There is a work around (see also See http://goo.gl/qu1wn) given below which appears to work on VS2010 and GCC, but //which seems to cause internal compiler errors on VS2008 when building with the /Gm 'Enable Minimal Rebuild' compiler //option. For now it seems best to 'fix' it with the preprocessor insstead, but maybe the workaround can be reinstated //in the future //typedef Volume VolumeOfVoxelType; //Workaround for GCC/VS2010 differences. //class Sampler : public VolumeOfVoxelType::template Sampler< RawVolume > #if defined(_MSC_VER) class Sampler : public BaseVolume::Sampler< RawVolume > //This line works on VS2010 #else class Sampler : public BaseVolume::template Sampler< RawVolume > //This line works on GCC #endif { public: Sampler(RawVolume* volume); ~Sampler(); inline VoxelType getVoxel(void) const; bool isCurrentPositionValid(void) const; void setPosition(const Vector3DInt32& v3dNewPos); void setPosition(int32_t xPos, int32_t yPos, int32_t zPos); inline bool setVoxel(VoxelType tValue); void movePositiveX(void); void movePositiveY(void); void movePositiveZ(void); void moveNegativeX(void); void moveNegativeY(void); void moveNegativeZ(void); inline VoxelType peekVoxel1nx1ny1nz(void) const; inline VoxelType peekVoxel1nx1ny0pz(void) const; inline VoxelType peekVoxel1nx1ny1pz(void) const; inline VoxelType peekVoxel1nx0py1nz(void) const; inline VoxelType peekVoxel1nx0py0pz(void) const; inline VoxelType peekVoxel1nx0py1pz(void) const; inline VoxelType peekVoxel1nx1py1nz(void) const; inline VoxelType peekVoxel1nx1py0pz(void) const; inline VoxelType peekVoxel1nx1py1pz(void) const; inline VoxelType peekVoxel0px1ny1nz(void) const; inline VoxelType peekVoxel0px1ny0pz(void) const; inline VoxelType peekVoxel0px1ny1pz(void) const; inline VoxelType peekVoxel0px0py1nz(void) const; inline VoxelType peekVoxel0px0py0pz(void) const; inline VoxelType peekVoxel0px0py1pz(void) const; inline VoxelType peekVoxel0px1py1nz(void) const; inline VoxelType peekVoxel0px1py0pz(void) const; inline VoxelType peekVoxel0px1py1pz(void) const; inline VoxelType peekVoxel1px1ny1nz(void) const; inline VoxelType peekVoxel1px1ny0pz(void) const; inline VoxelType peekVoxel1px1ny1pz(void) const; inline VoxelType peekVoxel1px0py1nz(void) const; inline VoxelType peekVoxel1px0py0pz(void) const; inline VoxelType peekVoxel1px0py1pz(void) const; inline VoxelType peekVoxel1px1py1nz(void) const; inline VoxelType peekVoxel1px1py0pz(void) const; inline VoxelType peekVoxel1px1py1pz(void) const; private: //Other current position information VoxelType* mCurrentVoxel; //Whether the current position is inside the volume //FIXME - Replace these with flags bool m_bIsCurrentPositionValidInX; bool m_bIsCurrentPositionValidInY; bool m_bIsCurrentPositionValidInZ; }; #endif public: /// Constructor for creating a fixed size volume. RawVolume(const Region& regValid); /// Destructor ~RawVolume(); /// Gets the value used for voxels which are outside the volume VoxelType getBorderValue(void) const; /// Gets a Region representing the extents of the Volume. const Region& getEnclosingRegion(void) const; /// Gets the width of the volume in voxels. int32_t getWidth(void) const; /// Gets the height of the volume in voxels. int32_t getHeight(void) const; /// Gets the depth of the volume in voxels. int32_t getDepth(void) const; /// Gets the length of the longest side in voxels int32_t getLongestSideLength(void) const; /// Gets the length of the shortest side in voxels int32_t getShortestSideLength(void) const; /// Gets the length of the diagonal in voxels float getDiagonalLength(void) const; /// Gets a voxel at the position given by x,y,z coordinates VoxelType getVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos) const; /// Gets a voxel at the position given by a 3D vector VoxelType getVoxel(const Vector3DInt32& v3dPos) const; /// Sets the value used for voxels which are outside the volume void setBorderValue(const VoxelType& tBorder); /// Sets the voxel at the position given by x,y,z coordinates void setVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue); /// Sets the voxel at the position given by a 3D vector void setVoxel(const Vector3DInt32& v3dPos, VoxelType tValue); /// Calculates approximatly how many bytes of memory the volume is currently using. uint32_t calculateSizeInBytes(void); protected: /// Copy constructor RawVolume(const RawVolume& rhs); /// Assignment operator RawVolume& operator=(const RawVolume& rhs); private: void initialise(const Region& regValidRegion); //The size of the volume Region m_regValidRegion; //Some useful sizes int32_t m_uLongestSideLength; int32_t m_uShortestSideLength; float m_fDiagonalLength; //The border value VoxelType m_tBorderValue; //The voxel data VoxelType* m_pData; }; } #include "PolyVox/RawVolume.inl" #include "PolyVox/RawVolumeSampler.inl" #endif //__PolyVox_RawVolume_H__