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Work on CubicSurfaceExtractorWithNormals.

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unknown
2012-04-16 16:14:09 +02:00
parent 2207b494e6
commit 86b84339af
3 changed files with 22 additions and 23 deletions
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16
library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.h
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@@ -31,11 +31,25 @@ freely, subject to the following restrictions:
namespace PolyVox
{
template<typename VoxelType>
bool defaultIsQuadNeeded(VoxelType from, VoxelType to, float& materialToUse)
{
if((from > 0) && (to == 0))
{
materialToUse = static_cast<float>(from);
return true;
}
else
{
return false;
}
}
template< template<typename> class VolumeType, typename VoxelType>
class CubicSurfaceExtractorWithNormals
{
public:
CubicSurfaceExtractorWithNormals(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, polyvox_function<bool(VoxelType voxelInFront, VoxelType voxelBehind, float& materialToUse)> funcIsQuadNeededCallback);
CubicSurfaceExtractorWithNormals(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, polyvox_function<bool(VoxelType from, VoxelType to, float& materialToUse)> funcIsQuadNeededCallback = defaultIsQuadNeeded<VoxelType>);
void execute();

16
library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.inl
View File

@@ -24,7 +24,7 @@ freely, subject to the following restrictions:
namespace PolyVox
{
template< template<typename> class VolumeType, typename VoxelType>
CubicSurfaceExtractorWithNormals<VolumeType, VoxelType>::CubicSurfaceExtractorWithNormals(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, polyvox_function<bool(VoxelType voxelInFront, VoxelType voxelBehind, float& materialToUse)> funcIsQuadNeededCallback)
CubicSurfaceExtractorWithNormals<VolumeType, VoxelType>::CubicSurfaceExtractorWithNormals(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, polyvox_function<bool(VoxelType from, VoxelType to, float& materialToUse)> funcIsQuadNeededCallback)
:m_volData(volData)
,m_sampVolume(volData)
,m_meshCurrent(result)
@@ -54,8 +54,6 @@ namespace PolyVox
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x,y,z), m_volData->getVoxelAt(x+1,y,z), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x,y,z).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ - 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
@@ -66,8 +64,6 @@ namespace PolyVox
}
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x+1,y,z), m_volData->getVoxelAt(x,y,z), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x+1,y,z).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ - 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
@@ -77,11 +73,8 @@ namespace PolyVox
m_meshCurrent->addTriangleCubic(v1,v3,v2);
}
int plusYVoxel = m_volData->getVoxelAt(x,y+1,z).getMaterial() != 0;
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x,y,z), m_volData->getVoxelAt(x,y+1,z), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x,y,z).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
@@ -92,8 +85,6 @@ namespace PolyVox
}
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x,y+1,z), m_volData->getVoxelAt(x,y,z), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x,y+1,z).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
@@ -103,11 +94,8 @@ namespace PolyVox
m_meshCurrent->addTriangleCubic(v1,v2,v3);
}
int plusZVoxel = m_volData->getVoxelAt(x,y,z+1).getMaterial() != 0;
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x,y,z), m_volData->getVoxelAt(x,y,z+1), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x,y,z).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
@@ -118,8 +106,6 @@ namespace PolyVox
}
if(m_funcIsQuadNeededCallback(m_volData->getVoxelAt(x,y,z+1), m_volData->getVoxelAt(x,y,z), material))
{
material = static_cast<float>(m_volData->getVoxelAt(x,y,z+1).getMaterial());
uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));