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Added handy type aliases for meshes.

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This commit is contained in:
David Williams 2014-08-18 16:01:31 +02:00
parent be47aec7f7
commit 5e7c4fbc12
4 changed files with 18 additions and 11 deletions
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8
library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractor.h
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@ -53,6 +53,10 @@ namespace PolyVox
DataType data;
};
// Convienient shorthand for declaring a mesh of 'cubic' vertices
template <typename VertexDataType, typename IndexType = DefaultIndexType>
using CubicMesh = Mesh< CubicVertex<VertexDataType>, IndexType >;
/// Decodes a position from a CubicVertex
inline Vector3DFloat decodePosition(const Vector3DUint8& encodedPosition)
{
@ -196,9 +200,9 @@ namespace PolyVox
}
template<typename VolumeType, typename IsQuadNeeded = DefaultIsQuadNeeded<typename VolumeType::VoxelType> >
Mesh<CubicVertex<typename VolumeType::VoxelType> > extractCubicMesh(VolumeType* volData, Region region, IsQuadNeeded isQuadNeeded = IsQuadNeeded(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), bool bMergeQuads = true)
CubicMesh<typename VolumeType::VoxelType> extractCubicMesh(VolumeType* volData, Region region, IsQuadNeeded isQuadNeeded = IsQuadNeeded(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), bool bMergeQuads = true)
{
Mesh< CubicVertex<typename VolumeType::VoxelType> > result;
CubicMesh<typename VolumeType::VoxelType> result;
extractCubicMeshCustom(volData, region, &result, isQuadNeeded, eWrapMode, tBorderValue, bMergeQuads);
return result;
}

10
library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.h
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@ -55,6 +55,10 @@ namespace PolyVox
DataType data;
};
// Convienient shorthand for declaring a mesh of marching cubes vertices
template <typename VertexDataType, typename IndexType = DefaultIndexType>
using MarchingCubesMesh = Mesh< MarchingCubesVertex<VertexDataType>, IndexType >;
/// Decodes a position from a MarchingCubesVertex
inline Vector3DFloat decodePosition(const Vector3DUint16& encodedPosition)
{
@ -339,10 +343,10 @@ namespace PolyVox
}
template< typename VolumeType, typename ControllerType = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > extractMarchingCubesMesh(VolumeType* volData, Region region, ControllerType controller = ControllerType(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
MarchingCubesMesh<typename VolumeType::VoxelType> extractMarchingCubesMesh(VolumeType* volData, Region region, ControllerType controller = ControllerType(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
{
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > result;
extractMarchingCubesMeshCustom<VolumeType, Mesh<MarchingCubesVertex<typename VolumeType::VoxelType>, DefaultIndexType > >(volData, region, &result, controller, eWrapMode, tBorderValue);
MarchingCubesMesh<typename VolumeType::VoxelType> result;
extractMarchingCubesMeshCustom(volData, region, &result, controller, eWrapMode, tBorderValue);
return result;
}
}

4
tests/TestCubicSurfaceExtractor.cpp
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@ -257,14 +257,14 @@ void TestCubicSurfaceExtractor::testExecute()
// Test with default controller but user-provided mesh.
auto uint32Vol = createAndFillVolumeWithNoise<uint32_t>(0, 2);
Mesh< CubicVertex< uint32_t >, uint16_t > uint32Mesh;
CubicMesh< uint32_t, uint16_t > uint32Mesh;
extractCubicMeshCustom(uint32Vol, uint32Vol->getEnclosingRegion(), &uint32Mesh);
QCOMPARE(uint32Mesh.getNoOfVertices(), uint16_t(57687));
QCOMPARE(uint32Mesh.getNoOfIndices(), uint32_t(216234));
// Test with both mesh and controller being provided by the user.
auto int32Vol = createAndFillVolumeWithNoise<int32_t>(0, 2);
Mesh< CubicVertex< int32_t >, uint16_t > int32Mesh;
CubicMesh< int32_t, uint16_t > int32Mesh;
extractCubicMeshCustom(int32Vol, int32Vol->getEnclosingRegion(), &int32Mesh, CustomIsQuadNeeded<int32_t>());
QCOMPARE(int32Mesh.getNoOfVertices(), uint16_t(29027));
QCOMPARE(int32Mesh.getNoOfIndices(), uint32_t(178356));

7
tests/TestSurfaceExtractor.cpp
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@ -148,10 +148,9 @@ void TestSurfaceExtractor::testExecute()
QCOMPARE(floatMesh.getIndex(100), uint32_t(26)); // Verifies that we have 32-bit indices
QCOMPARE(floatMesh.getVertex(100).data, float(1.0f)); // Not really meaningful for a primative type
// This test makes use of a user provided mesh. It uses the default controller, but we have to explicitly provide this because C++ won't let us
// use a default for the second-to-last parameter but noot use a default for the last parameter.
// This test makes use of a user provided mesh, while stil using the default controller.
auto intVol = createAndFillVolume<int8_t>();
Mesh< MarchingCubesVertex< int8_t >, uint16_t > intMesh;
MarchingCubesMesh< int8_t, uint16_t > intMesh;
extractMarchingCubesMeshCustom(intVol, intVol->getEnclosingRegion(), &intMesh);
QCOMPARE(intMesh.getNoOfVertices(), uint16_t(11718)); // Verifies size of mesh and that we have 16-bit indices
QCOMPARE(intMesh.getNoOfIndices(), uint32_t(34041)); // Verifies size of mesh
@ -161,7 +160,7 @@ void TestSurfaceExtractor::testExecute()
// This test makes use of a user-provided mesh and also a custom controller.
auto doubleVol = createAndFillVolume<double>();
CustomMarchingCubesController doubleCustomController;
Mesh< MarchingCubesVertex< double >, uint16_t > doubleMesh;
MarchingCubesMesh< double, uint16_t > doubleMesh;
extractMarchingCubesMeshCustom(doubleVol, doubleVol->getEnclosingRegion(), &doubleMesh, doubleCustomController);
QCOMPARE(doubleMesh.getNoOfVertices(), uint16_t(16113)); // Verifies size of mesh and that we have 32-bit indices
QCOMPARE(doubleMesh.getNoOfIndices(), uint32_t(22053)); // Verifies size of mesh