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Added test for cubic surfce extractor.

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unknown 2012-03-27 16:06:43 +02:00
parent 0e16b0d07e
commit b3f3723a53
3 changed files with 202 additions and 0 deletions
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3
tests/CMakeLists.txt
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@ -47,6 +47,9 @@ ADD_TEST(ArrayReadWriteTest ${LATEST_TEST} testReadWrite)
CREATE_TEST(TestAStarPathfinder.h TestAStarPathfinder.cpp TestAStarPathfinder)
ADD_TEST(AStarPathfinderExecuteTest ${LATEST_TEST} testExecute)
CREATE_TEST(TestCubicSurfaceExtractor.h TestCubicSurfaceExtractor.cpp TestCubicSurfaceExtractor)
ADD_TEST(CubicSurfaceExtractorExecuteTest ${LATEST_TEST} testExecute)
# Low pass filter tests
CREATE_TEST(TestLowPassFilter.h TestLowPassFilter.cpp TestLowPassFilter)
ADD_TEST(LowPassFilterExecuteTest ${LATEST_TEST} testExecute)

162
tests/TestCubicSurfaceExtractor.cpp Normal file
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@ -0,0 +1,162 @@
/*******************************************************************************
Copyright (c) 2010 Matt 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.
*******************************************************************************/
#include "TestCubicSurfaceExtractor.h"
#include "PolyVoxCore/Density.h"
#include "PolyVoxCore/Material.h"
#include "PolyVoxCore/MaterialDensityPair.h"
#include "PolyVoxCore/SimpleVolume.h"
#include "PolyVoxCore/CubicSurfaceExtractorWithNormals.h"
#include <QtTest>
using namespace PolyVox;
// These 'writeDensityValueToVoxel' functions provide a unified interface for writting densities to primative and class voxel types.
// They are conceptually the inverse of the 'convertToDensity' function used by the SurfaceExtractor. They probably shouldn't be part
// of PolyVox, but they might be useful to other tests so we cold move them into a 'Tests.h' or something in the future.
template<typename VoxelType>
void writeDensityValueToVoxel(typename VoxelTypeTraits<VoxelType>::DensityType valueToWrite, VoxelType& voxel)
{
voxel = valueToWrite;
}
template<>
void writeDensityValueToVoxel(typename VoxelTypeTraits<Density8>::DensityType valueToWrite, Density8& voxel)
{
voxel.setDensity(valueToWrite);
}
template<>
void writeDensityValueToVoxel(typename VoxelTypeTraits<MaterialDensityPair88>::DensityType valueToWrite, MaterialDensityPair88& voxel)
{
voxel.setDensity(valueToWrite);
}
template<typename VoxelType>
void writeMaterialValueToVoxel(typename VoxelTypeTraits<VoxelType>::MaterialType valueToWrite, VoxelType& voxel)
{
//Most types don't have a material
return;
}
template<>
void writeMaterialValueToVoxel(typename VoxelTypeTraits<MaterialDensityPair88>::MaterialType valueToWrite, MaterialDensityPair88& voxel)
{
voxel.setMaterial(valueToWrite);
}
// Runs the surface extractor for a given type.
template <typename VoxelType>
void testForType(SurfaceMesh<PositionMaterialNormal>& result)
{
const int32_t uVolumeSideLength = 32;
//Create empty volume
SimpleVolume<VoxelType> volData(Region(Vector3DInt32(0,0,0), Vector3DInt32(uVolumeSideLength-1, uVolumeSideLength-1, uVolumeSideLength-1)));
for (int32_t z = 0; z < uVolumeSideLength; z++)
{
for (int32_t y = 0; y < uVolumeSideLength; y++)
{
for (int32_t x = 0; x < uVolumeSideLength; x++)
{
if(x + y + z > uVolumeSideLength)
{
VoxelType voxelValue;
writeDensityValueToVoxel<VoxelType>(100, voxelValue);
writeMaterialValueToVoxel<VoxelType>(42, voxelValue);
volData.setVoxelAt(x, y, z, voxelValue);
}
}
}
}
CubicSurfaceExtractorWithNormals<SimpleVolume, VoxelType > extractor(&volData, volData.getEnclosingRegion(), &result, 50);
extractor.execute();
}
void TestCubicSurfaceExtractor::testExecute()
{
const static uint32_t uExpectedVertices = 6624;
const static uint32_t uExpectedIndices = 9936;
const static uint32_t uMaterialToCheck = 3000;
const static float fExpectedMaterial = 42.0f;
const static float fNoMaterial = 1.0f;
SurfaceMesh<PositionMaterialNormal> mesh;
/*testForType<int8_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<uint8_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<int16_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<uint16_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<int32_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<uint32_t>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<float>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);
testForType<double>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);*/
/*testForType<Material8>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fNoMaterial);*/
testForType<MaterialDensityPair88>(mesh);
QCOMPARE(mesh.getNoOfVertices(), uExpectedVertices);
QCOMPARE(mesh.getNoOfIndices(), uExpectedIndices);
QCOMPARE(mesh.getVertices()[uMaterialToCheck].getMaterial(), fExpectedMaterial);
}
QTEST_MAIN(TestCubicSurfaceExtractor)

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tests/TestCubicSurfaceExtractor.h Normal file
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@ -0,0 +1,37 @@
/*******************************************************************************
Copyright (c) 2010 Matt 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_TestCubicSurfaceExtractor_H__
#define __PolyVox_TestCubicSurfaceExtractor_H__
#include <QObject>
class TestCubicSurfaceExtractor: public QObject
{
Q_OBJECT
private slots:
void testExecute();
};
#endif