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Simplified vertex types to structs with public members.

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Added (currently dummy) decode methods.
This commit is contained in:
David Williams
2014-05-27 17:05:15 +02:00
parent 1d8fc25cb7
commit 764c9ac97c
6 changed files with 95 additions and 124 deletions
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7
library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractor.inl
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@@ -214,7 +214,10 @@ namespace PolyVox
if(rEntry.iIndex == -1)
{
//No vertices matched and we've now hit an empty space. Fill it by creating a vertex. The 0.5f offset is because vertices set between voxels in order to build cubes around them.
rEntry.iIndex = m_meshCurrent->addVertex(CubicVertex<typename VolumeType::VoxelType>(Vector3DFloat(static_cast<float>(uX)-0.5f, static_cast<float>(uY)-0.5f, static_cast<float>(uZ)-0.5f), uMaterialIn));
CubicVertex<typename VolumeType::VoxelType> cubicVertex;
cubicVertex.position.setElements(static_cast<float>(uX)-0.5f, static_cast<float>(uY)-0.5f, static_cast<float>(uZ)-0.5f);
cubicVertex.material = uMaterialIn;
rEntry.iIndex = m_meshCurrent->addVertex(cubicVertex);
rEntry.uMaterial = uMaterialIn;
return rEntry.iIndex;
@@ -268,7 +271,7 @@ namespace PolyVox
{
//All four vertices of a given quad have the same material,
//so just check that the first pair of vertices match.
if(m_meshCurrent->getVertices()[q1.vertices[0]].getMaterial() == m_meshCurrent->getVertices()[q2.vertices[0]].getMaterial())
if(m_meshCurrent->getVertices()[q1.vertices[0]].material == m_meshCurrent->getVertices()[q2.vertices[0]].material)
{
//Now check whether quad 2 is adjacent to quad one by comparing vertices.
//Adjacent quads must share two vertices, and the second quad could be to the

18
library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl
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@@ -459,7 +459,11 @@ namespace PolyVox
// Allow the controller to decide how the material should be derived from the voxels.
const typename VolumeType::VoxelType uMaterial = m_controller.blendMaterials(v000, v100, fInterp);
const MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex(v3dPosition, v3dNormal, uMaterial);
MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex;
surfaceVertex.position = v3dPosition;
surfaceVertex.normal = v3dNormal;
surfaceVertex.material = uMaterial;
const uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesX[iXVolSpace - m_regSizeInVoxels.getLowerX()][iYVolSpace - m_regSizeInVoxels.getLowerY()] = uLastVertexIndex;
@@ -488,7 +492,11 @@ namespace PolyVox
// Allow the controller to decide how the material should be derived from the voxels.
const typename VolumeType::VoxelType uMaterial = m_controller.blendMaterials(v000, v010, fInterp);
MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex(v3dPosition, v3dNormal, uMaterial);
MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex;
surfaceVertex.position = v3dPosition;
surfaceVertex.normal = v3dNormal;
surfaceVertex.material = uMaterial;
uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesY[iXVolSpace - m_regSizeInVoxels.getLowerX()][iYVolSpace - m_regSizeInVoxels.getLowerY()] = uLastVertexIndex;
@@ -516,7 +524,11 @@ namespace PolyVox
// Allow the controller to decide how the material should be derived from the voxels.
const typename VolumeType::VoxelType uMaterial = m_controller.blendMaterials(v000, v001, fInterp);
const MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex(v3dPosition, v3dNormal, uMaterial);
MarchingCubesVertex<typename VolumeType::VoxelType> surfaceVertex;
surfaceVertex.position = v3dPosition;
surfaceVertex.normal = v3dNormal;
surfaceVertex.material = uMaterial;
const uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesZ[iXVolSpace - m_regSizeInVoxels.getLowerX()][iYVolSpace - m_regSizeInVoxels.getLowerY()] = uLastVertexIndex;

18
library/PolyVoxCore/include/PolyVoxCore/Mesh.h
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@@ -100,6 +100,24 @@ namespace PolyVox
template <typename VertexType>
std::shared_ptr< Mesh<VertexType> > extractSubset(Mesh<VertexType>& inputMesh, std::set<uint8_t> setMaterials);
template <typename MeshType>
Mesh< Vertex< typename MeshType::VertexType::VoxelType > > decode(const MeshType& mesh)
{
Mesh< Vertex< typename MeshType::VertexType::VoxelType > > result;
result.m_vecVertices.reserve(mesh.m_vecVertices.size());
for(uint32_t ct = 0; ct < mesh.m_vecVertices.size(); ct++)
{
result.m_vecVertices[ct] = decode(mesh.m_vecVertices[ct]);
}
result.m_vecTriangleIndices = mesh.m_vecTriangleIndices;
result.m_Region = mesh.m_Region;
return result;
}
}
#include "PolyVoxCore/Mesh.inl"

4
library/PolyVoxCore/include/PolyVoxCore/PolyVoxForwardDeclarations.h
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@@ -81,7 +81,7 @@ namespace PolyVox
////////////////////////////////////////////////////////////////////////////////
// CubicVertex
////////////////////////////////////////////////////////////////////////////////
template<typename VoxelType> class CubicVertex;
template<typename VoxelType> struct CubicVertex;
////////////////////////////////////////////////////////////////////////////////
// Density
@@ -111,7 +111,7 @@ namespace PolyVox
////////////////////////////////////////////////////////////////////////////////
// MarchingCubesVertex
////////////////////////////////////////////////////////////////////////////////
template<typename VoxelType> class MarchingCubesVertex;
template<typename VoxelType> struct MarchingCubesVertex;
////////////////////////////////////////////////////////////////////////////////
// Material

150
library/PolyVoxCore/include/PolyVoxCore/VertexTypes.h
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@@ -32,134 +32,72 @@ freely, subject to the following restrictions:
#include <vector>
namespace PolyVox
{
#ifdef SWIG
class CubicVertex
{
#ifdef SWIG
struct Vertex
#else
template<typename _VoxelType>
class POLYVOX_API CubicVertex
struct POLYVOX_API Vertex
#endif
{
public:
typedef _VoxelType VoxelType;
CubicVertex()
{
}
CubicVertex(Vector3DFloat positionToSet, VoxelType materialToSet)
:position(positionToSet)
,material(materialToSet)
{
}
CubicVertex(Vector3DFloat positionToSet, Vector3DFloat normalToSet, VoxelType materialToSet)
:position(positionToSet)
,normal(normalToSet)
,material(materialToSet)
{
}
VoxelType getMaterial(void) const
{
return material;
}
const Vector3DFloat& getNormal(void) const
{
return normal;
}
const Vector3DFloat& getPosition(void) const
{
return position;
}
void setMaterial(VoxelType materialToSet)
{
material = materialToSet;
}
void setNormal(const Vector3DFloat& normalToSet)
{
normal = normalToSet;
}
void setPosition(const Vector3DFloat& positionToSet)
{
position = positionToSet;
}
public:
Vector3DFloat position;
Vector3DFloat normal;
VoxelType material;
};
#ifdef SWIG
class MarchingCubesVertex
struct CubicVertex
#else
template<typename _VoxelType>
class POLYVOX_API MarchingCubesVertex
struct POLYVOX_API CubicVertex
#endif
{
public:
typedef _VoxelType VoxelType;
MarchingCubesVertex()
{
}
MarchingCubesVertex(Vector3DFloat positionToSet, VoxelType materialToSet)
:position(positionToSet)
, material(materialToSet)
{
}
MarchingCubesVertex(Vector3DFloat positionToSet, Vector3DFloat normalToSet, VoxelType materialToSet)
:position(positionToSet)
, normal(normalToSet)
, material(materialToSet)
{
}
VoxelType getMaterial(void) const
{
return material;
}
const Vector3DFloat& getNormal(void) const
{
return normal;
}
const Vector3DFloat& getPosition(void) const
{
return position;
}
void setMaterial(VoxelType materialToSet)
{
material = materialToSet;
}
void setNormal(const Vector3DFloat& normalToSet)
{
normal = normalToSet;
}
void setPosition(const Vector3DFloat& positionToSet)
{
position = positionToSet;
}
public:
Vector3DFloat position;
Vector3DFloat normal;
VoxelType material;
};
#ifdef SWIG
struct MarchingCubesVertex
#else
template<typename _VoxelType>
struct POLYVOX_API MarchingCubesVertex
#endif
{
typedef _VoxelType VoxelType;
Vector3DFloat position;
Vector3DFloat normal;
VoxelType material;
};
// Hopefully the compiler will implement the 'Return value optimization' here, but
// performance critical code will most likely decode the vertices in a shader anyway.
template<typename VoxelType>
Vertex<VoxelType> decode(const CubicVertex<VoxelType>& cubicVertex)
{
Vertex<VoxelType> result;
result.position = cubicVertex.position;
result.normal = cubicVertex.normal;
result.material = cubicVertex.material;
return result;
}
// Hopefully the compiler will implement the 'Return value optimization' here, but
// performance critical code will most likely decode the vertices in a shader anyway.
template<typename VoxelType>
Vertex<VoxelType> decode(const MarchingCubesVertex<VoxelType>& cubicVertex)
{
Vertex<VoxelType> result;
result.position = cubicVertex.position;
result.normal = cubicVertex.normal;
result.material = cubicVertex.material;
return result;
}
}
#endif