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Merging now controlled by constructor parameter.

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This commit is contained in:
David Williams
2011-05-10 22:30:41 +01:00
parent 63d08b050b
commit 3e00303371
2 changed files with 26 additions and 58 deletions
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50
library/PolyVoxCore/include/ImprovedCubicSurfaceExtractor.h
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@ -32,23 +32,6 @@ freely, subject to the following restrictions:
namespace PolyVox
{
struct IndexAndMaterial
{
int32_t iIndex : 24;
int32_t uMaterial : 8;
};
enum FaceNames
{
PositiveX,
PositiveY,
PositiveZ,
NegativeX,
NegativeY,
NegativeZ,
NoOfFaces
};
struct Quad
{
uint32_t vertices[4];
@ -58,8 +41,25 @@ namespace PolyVox
template< template<typename> class VolumeType, typename VoxelType>
class ImprovedCubicSurfaceExtractor
{
struct IndexAndMaterial
{
int32_t iIndex : 24;
int32_t uMaterial : 8;
};
enum FaceNames
{
PositiveX,
PositiveY,
PositiveZ,
NegativeX,
NegativeY,
NegativeZ,
NoOfFaces
};
public:
ImprovedCubicSurfaceExtractor(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterial>* result);
ImprovedCubicSurfaceExtractor(VolumeType<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterial>* result, bool bMergeQuads = true);
void execute();
@ -84,6 +84,8 @@ namespace PolyVox
std::vector< std::list<Quad> > m_vecQuads[NoOfFaces];
bool m_bMergeQuads;
//Although we try to avoid creating multiple vertices at the same location, sometimes this is unavoidable
//if they have different materials. For example, four different materials next to each other would mean
//four quads (though more triangles) sharing the vertex. As far as I can tell, four is the worst case scenario.
@ -93,18 +95,6 @@ namespace PolyVox
// Decimation
////////////////////////////////////////////////////////////////////////////////
/*class Triangle
{
uint32_t v0;
uint32_t v1;
uint32_t v2;
}
std::vector<Triangle> triangles;
std::vector< std::vector<uint32_t> > trianglesUsingVertex;*/
//std::vector<Quad> decimate(const std::vector<Quad>& quads);
bool decimate(std::list<Quad>& quads);
Quad mergeQuads(const Quad& q1, const Quad& q2);