140 lines
5.1 KiB
C++
140 lines
5.1 KiB
C++
/*******************************************************************************
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Copyright (c) 2010 Matt 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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#include "TestVolumeSubclass.h"
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#include "PolyVoxCore/Array.h"
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#include "PolyVoxCore/BaseVolume.h"
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#include "PolyVoxCore/CubicSurfaceExtractor.h"
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#include "PolyVoxCore/Material.h"
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#include "PolyVoxCore/Vector.h"
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#include <QtTest>
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using namespace PolyVox;
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template <typename VoxelType>
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class VolumeSubclass : public BaseVolume<VoxelType>
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{
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public:
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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 BaseVolume<VoxelType> VolumeOfVoxelType; //Workaround for GCC/VS2010 differences. See http://goo.gl/qu1wn
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//class Sampler : public VolumeOfVoxelType::template Sampler< VolumeSubclass<VoxelType> >
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#if defined(_MSC_VER)
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class Sampler : public BaseVolume<VoxelType>::Sampler< VolumeSubclass<VoxelType> > //This line works on VS2010
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#else
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class Sampler : public BaseVolume<VoxelType>::template Sampler< VolumeSubclass<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(VolumeSubclass<VoxelType>* volume)
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:BaseVolume<VoxelType>::template Sampler< VolumeSubclass<VoxelType> >(volume)
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{
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this->mVolume = volume;
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}
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//~Sampler();
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};
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/// Constructor for creating a fixed size volume.
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VolumeSubclass(const Region& regValid)
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:BaseVolume<VoxelType>(regValid)
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{
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mVolumeData.resize(ArraySizes(this->getWidth())(this->getHeight())(this->getDepth()));
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}
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/// Destructor
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~VolumeSubclass() {};
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/// Gets the value used for voxels which are outside the volume
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VoxelType getBorderValue(void) const { return 0; }
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/// Gets a voxel at the position given by <tt>x,y,z</tt> coordinates
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VoxelType getVoxelAt(int32_t uXPos, int32_t uYPos, int32_t uZPos) const
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{
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if(this->m_regValidRegion.containsPoint(Vector3DInt32(uXPos, uYPos, uZPos)))
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{
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return mVolumeData[uXPos][uYPos][uZPos];
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}
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else
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{
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return getBorderValue();
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}
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}
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/// Gets a voxel at the position given by a 3D vector
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VoxelType getVoxelAt(const Vector3DInt32& v3dPos) const { return getVoxelAt(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ()); }
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/// Sets the value used for voxels which are outside the volume
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void setBorderValue(const VoxelType& tBorder) { }
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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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{
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if(this->m_regValidRegion.containsPoint(Vector3DInt32(uXPos, uYPos, uZPos)))
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{
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mVolumeData[uXPos][uYPos][uZPos] = tValue;
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return true;
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}
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else
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{
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return false;
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}
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}
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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) { return setVoxelAt(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ(), 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) { return 0; }
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/// Deprecated - I don't think we should expose this function? Let us know if you disagree...
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//void resize(const Region& regValidRegion);
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private:
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Array<3, VoxelType> mVolumeData;
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};
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void TestVolumeSubclass::testExtractSurface()
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{
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VolumeSubclass<Material8> volumeSubclass(Region(0,0,0,16,16,16));
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for(int32_t z = 0; z < volumeSubclass.getDepth() / 2; z++)
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{
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for(int32_t y = 0; y < volumeSubclass.getHeight(); y++)
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{
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for(int32_t x = 0; x < volumeSubclass.getWidth(); x++)
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{
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Material8 mat(1);
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volumeSubclass.setVoxelAt(Vector3DInt32(x,y,z),mat);
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}
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}
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}
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SurfaceMesh<PositionMaterial> result;
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CubicSurfaceExtractor< VolumeSubclass<Material8> > cubicSurfaceExtractor(&volumeSubclass, volumeSubclass.getEnclosingRegion(), &result);
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cubicSurfaceExtractor.execute();
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QCOMPARE(result.getNoOfVertices(), static_cast<uint32_t>(8));
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}
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QTEST_MAIN(TestVolumeSubclass)
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