174 lines
7.3 KiB
C++
174 lines
7.3 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David 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_RawVolume_H__
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#define __PolyVox_RawVolume_H__
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#include "PolyVoxCore/BaseVolume.h"
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#include "PolyVoxCore/Region.h"
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#include "PolyVoxCore/Vector.h"
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#include <cstdlib> //For abort()
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#include <limits>
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#include <memory>
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#include <stdexcept> //For invalid_argument
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namespace PolyVox
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{
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template <typename VoxelType>
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class RawVolume : public BaseVolume<VoxelType>
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{
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public:
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#ifndef SWIG
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//There seems to be some descrepency between Visual Studio and GCC about how the following class should be declared.
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//There is a work around (see also See http://goo.gl/qu1wn) given below which appears to work on VS2010 and GCC, but
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//which seems to cause internal compiler errors on VS2008 when building with the /Gm 'Enable Minimal Rebuild' compiler
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//option. For now it seems best to 'fix' it with the preprocessor insstead, but maybe the workaround can be reinstated
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//in the future
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//typedef Volume<VoxelType> VolumeOfVoxelType; //Workaround for GCC/VS2010 differences.
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//class Sampler : public VolumeOfVoxelType::template Sampler< RawVolume<VoxelType> >
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#if defined(_MSC_VER)
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class Sampler : public BaseVolume<VoxelType>::Sampler< RawVolume<VoxelType> > //This line works on VS2010
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#else
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class Sampler : public BaseVolume<VoxelType>::template Sampler< RawVolume<VoxelType> > //This line works on GCC
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#endif
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{
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public:
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Sampler(RawVolume<VoxelType>* volume);
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~Sampler();
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inline VoxelType getVoxel(void) const;
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void setPosition(const Vector3DInt32& v3dNewPos);
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void setPosition(int32_t xPos, int32_t yPos, int32_t zPos);
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inline bool setVoxel(VoxelType tValue);
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void movePositiveX(void);
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void movePositiveY(void);
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void movePositiveZ(void);
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void moveNegativeX(void);
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void moveNegativeY(void);
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void moveNegativeZ(void);
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inline VoxelType peekVoxel1nx1ny1nz(void) const;
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inline VoxelType peekVoxel1nx1ny0pz(void) const;
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inline VoxelType peekVoxel1nx1ny1pz(void) const;
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inline VoxelType peekVoxel1nx0py1nz(void) const;
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inline VoxelType peekVoxel1nx0py0pz(void) const;
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inline VoxelType peekVoxel1nx0py1pz(void) const;
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inline VoxelType peekVoxel1nx1py1nz(void) const;
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inline VoxelType peekVoxel1nx1py0pz(void) const;
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inline VoxelType peekVoxel1nx1py1pz(void) const;
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inline VoxelType peekVoxel0px1ny1nz(void) const;
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inline VoxelType peekVoxel0px1ny0pz(void) const;
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inline VoxelType peekVoxel0px1ny1pz(void) const;
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inline VoxelType peekVoxel0px0py1nz(void) const;
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inline VoxelType peekVoxel0px0py0pz(void) const;
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inline VoxelType peekVoxel0px0py1pz(void) const;
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inline VoxelType peekVoxel0px1py1nz(void) const;
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inline VoxelType peekVoxel0px1py0pz(void) const;
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inline VoxelType peekVoxel0px1py1pz(void) const;
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inline VoxelType peekVoxel1px1ny1nz(void) const;
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inline VoxelType peekVoxel1px1ny0pz(void) const;
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inline VoxelType peekVoxel1px1ny1pz(void) const;
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inline VoxelType peekVoxel1px0py1nz(void) const;
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inline VoxelType peekVoxel1px0py0pz(void) const;
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inline VoxelType peekVoxel1px0py1pz(void) const;
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inline VoxelType peekVoxel1px1py1nz(void) const;
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inline VoxelType peekVoxel1px1py0pz(void) const;
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inline VoxelType peekVoxel1px1py1pz(void) const;
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private:
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//Other current position information
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VoxelType* mCurrentVoxel;
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};
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#endif
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public:
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/// Constructor for creating a fixed size volume.
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RawVolume(const Region& regValid);
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/// Destructor
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~RawVolume();
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/// Gets a voxel at the position given by <tt>x,y,z</tt> coordinates
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template <WrapMode eWrapMode>
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VoxelType getVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tBorder = VoxelType()) const;
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/// Gets a voxel at the position given by a 3D vector
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template <WrapMode eWrapMode>
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VoxelType getVoxel(const Vector3DInt32& v3dPos, VoxelType tBorder = VoxelType()) const;
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/// Gets a voxel at the position given by <tt>x,y,z</tt> coordinates
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VoxelType getVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapMode eWrapMode = WrapModes::Validate, VoxelType tBorder = VoxelType()) const;
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/// Gets a voxel at the position given by a 3D vector
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VoxelType getVoxel(const Vector3DInt32& v3dPos, WrapMode eWrapMode = WrapModes::Validate, VoxelType tBorder = VoxelType()) const;
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/// Gets a voxel at the position given by <tt>x,y,z</tt> coordinates
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POLYVOX_DEPRECATED VoxelType getVoxelAt(int32_t uXPos, int32_t uYPos, int32_t uZPos) const;
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/// Gets a voxel at the position given by a 3D vector
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POLYVOX_DEPRECATED VoxelType getVoxelAt(const Vector3DInt32& v3dPos) const;
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/// Sets the voxel at the position given by <tt>x,y,z</tt> coordinates
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void setVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue, WrapMode eWrapMode = WrapModes::Validate);
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/// Sets the voxel at the position given by a 3D vector
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void setVoxel(const Vector3DInt32& v3dPos, VoxelType tValue, WrapMode eWrapMode = WrapModes::Validate);
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/// Sets the voxel at the position given by <tt>x,y,z</tt> coordinates
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bool setVoxelAt(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue);
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/// Sets the voxel at the position given by a 3D vector
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bool setVoxelAt(const Vector3DInt32& v3dPos, VoxelType tValue);
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/// Calculates approximatly how many bytes of memory the volume is currently using.
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uint32_t calculateSizeInBytes(void);
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protected:
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/// Copy constructor
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RawVolume(const RawVolume& rhs);
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/// Assignment operator
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RawVolume& operator=(const RawVolume& rhs);
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private:
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void initialise(const Region& regValidRegion);
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// A trick to implement specialization of template member functions in template classes. See http://stackoverflow.com/a/4951057
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template <WrapMode eWrapMode>
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VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<eWrapMode>, VoxelType tBorder) const;
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VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::Validate>, VoxelType tBorder) const;
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VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::Clamp>, VoxelType tBorder) const;
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VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::Border>, VoxelType tBorder) const;
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VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::AssumeValid>, VoxelType tBorder) const;
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//The voxel data
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VoxelType* m_pData;
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};
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}
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#include "PolyVoxCore/RawVolume.inl"
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#include "PolyVoxCore/RawVolumeSampler.inl"
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#endif //__PolyVox_RawVolume_H__
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