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Renamed a symbol that caused ambiguity (VertexInfo -> vertexClipInfo) added functor and function for box clipping

This commit is contained in:
Paolo Cignoni 2010-06-16 13:23:07 +00:00
parent 168953b768
commit beb996e9c9
1 changed files with 122 additions and 65 deletions
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187
vcg/complex/trimesh/clip.h
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@ -32,13 +32,72 @@ $Log: not supported by cvs2svn $
#define __VCGLIB_TRI_CLIP
#include <vector>
#include <hash_map>
#ifdef _WIN32
#ifndef __MINGW32__
#include <hash_map>
#define STDEXT stdext
#else
#include <ext/hash_map>
#define STDEXT __gnu_cxx
#endif
#else
#include <ext/hash_map>
#define STDEXT __gnu_cxx
#endif
namespace vcg
{
namespace tri
{
template <typename MESH_TYPE>
class GenericVertexInterpolator
{
public:
typedef typename MESH_TYPE::VertexType VertexType;
typedef GenericVertexInterpolator<MESH_TYPE> ClassType;
typedef typename VertexType::CoordType CoordType;
typedef typename CoordType::ScalarType ScalarType;
GenericVertexInterpolator(MESH_TYPE &_m) : m(_m) {}
private:
MESH_TYPE &m;
public:
inline void operator () (const VertexType & v0, const VertexType & v1, const VertexType & v2, const ScalarType & a, const ScalarType & b, VertexType & r) const
{
// position
r.P() = v0.P() + (v1.P() - v0.P()) * a + (v2.P() - v0.P()) * b;
// normal
if (tri::HasPerVertexNormal(m))
{
r.N() = v0.cN() + (v1.cN() - v0.cN()) * a + (v2.cN() - v0.cN()) * b;
}
// color
if (tri::HasPerVertexColor(m))
{
vcg::Point4<ScalarType> vc[3];
vc[0].Import(v0.cC());
vc[1].Import(v1.cC());
vc[2].Import(v2.cC());
const vcg::Point4<ScalarType> rc = (vc[0] + (vc[1] - vc[0]) * a + (vc[2] - vc[0]) * b);
r.C()[0] = (typename vcg::Color4b::ScalarType)(rc[0]);
r.C()[1] = (typename vcg::Color4b::ScalarType)(rc[1]);
r.C()[2] = (typename vcg::Color4b::ScalarType)(rc[2]);
r.C()[3] = (typename vcg::Color4b::ScalarType)(rc[3]);
}
// texcoord
if (tri::HasPerVertexTexCoord(m))
{
const short nt = 1; //typename VertexType::TextureType::N();
for (short i=0; i<nt; ++i)
{
r.T().t(i) = v0.cT().t(i) + (v1.cT().t(i) - v0.cT().t(i)) * a + (v2.cT().t(i) - v0.cT().t(i)) * b;
}
}
}
};
template <typename TRIMESHTYPE>
class TriMeshClipper
{
@ -71,6 +130,35 @@ public:
r.N() = v0.N() + a * (v1.N() - v0.N()) + b * (v2.N() - v0.N()); // interpolate normal
... // interpolate other vertex attributes
*/
template <class ScalarType>
class VertexClipInfo
{
public:
// typedef VertexClipInfo ClassType;
ScalarType fU;
ScalarType fV;
unsigned int idx;
unsigned int tref;
};
typedef typename std::vector< VertexClipInfo<ScalarType> > VertexClipInfoVec;
class TriangleInfo
{
public:
typedef TriangleInfo ClassType;
unsigned int v[3];
unsigned int idx;
};
typedef std::vector<TriangleInfo> TriangleInfoVec;
class EdgeIsect
{
public:
CoordType p;
unsigned int idx;
};
template <typename VERTEXINTEPOLATOR>
static inline void Box(const Box3<ScalarType> & b, VERTEXINTEPOLATOR & vInterp, TriMeshType & m)
@ -83,6 +171,28 @@ public:
}
}
class EdgeIntersections
{
public:
unsigned int n;
EdgeIsect isects[6];
EdgeIntersections(void)
{
this->n = 0;
}
};
typedef STDEXT::hash_map<unsigned int, EdgeIntersections> UIntHMap;
typedef typename UIntHMap::iterator UIntHMap_i;
typedef typename UIntHMap::value_type UIntHMap_v;
typedef STDEXT::hash_map<unsigned int, UIntHMap> EdgeMap;
typedef typename EdgeMap::iterator EdgeMap_i;
typedef typename EdgeMap::value_type EdgeMap_v;
typedef typename TriMeshType::FaceIterator FaceIterator;
template <typename VERTEXINTEPOLATOR, typename FACEINDEXCONTAINER>
static inline void Box(const Box3<ScalarType> & b, VERTEXINTEPOLATOR & vInterp, TriMeshType & m, FACEINDEXCONTAINER & facesToDelete)
{
@ -91,61 +201,8 @@ public:
return;
}
class VertexInfo
{
public:
typedef VertexInfo ClassType;
ScalarType fU;
ScalarType fV;
unsigned int idx;
unsigned int tref;
};
typedef std::vector<VertexInfo> VertexInfoVec;
class TriangleInfo
{
public:
typedef TriangleInfo ClassType;
unsigned int v[3];
unsigned int idx;
};
typedef std::vector<TriangleInfo> TriangleInfoVec;
class EdgeIsect
{
public:
CoordType p;
unsigned int idx;
};
class EdgeIntersections
{
public:
unsigned int n;
EdgeIsect isects[6];
EdgeIntersections(void)
{
this->n = 0;
}
};
typedef stdext::hash_map<unsigned int, EdgeIntersections> UIntHMap;
typedef typename UIntHMap::iterator UIntHMap_i;
typedef typename UIntHMap::value_type UIntHMap_v;
typedef stdext::hash_map<unsigned int, UIntHMap> EdgeMap;
typedef typename EdgeMap::iterator EdgeMap_i;
typedef typename EdgeMap::value_type EdgeMap_v;
typedef typename TriMeshType::FaceIterator FaceIterator;
EdgeMap edges;
VertexInfoVec vInfos;
VertexClipInfoVec vInfos;
TriangleInfoVec tInfos;
CoordType vTriangle[4];
@ -250,7 +307,7 @@ public:
size_t vBegin = vInfos.size();
VertexInfo vnfo;
VertexClipInfo<ScalarType> vnfo;
TriangleInfo tnfo;
unsigned int vmin[3];
@ -476,10 +533,10 @@ public:
return;
}
class VertexInfo
class VertexClipInfo
{
public:
typedef VertexInfo ClassType;
typedef VertexClipInfo ClassType;
ScalarType fU;
ScalarType fV;
@ -487,7 +544,7 @@ public:
unsigned int tref;
};
typedef std::vector<VertexInfo> VertexInfoVec;
typedef std::vector<VertexClipInfo> VertexClipInfoVec;
class TriangleInfo
{
@ -519,22 +576,22 @@ public:
}
};
typedef stdext::hash_map<unsigned int, EdgeIntersections> UIntHMap;
typedef STDEXT::hash_map<unsigned int, EdgeIntersections> UIntHMap;
typedef typename UIntHMap::iterator UIntHMap_i;
typedef typename UIntHMap::value_type UIntHMap_v;
typedef stdext::hash_map<unsigned int, UIntHMap> EdgeMap;
typedef STDEXT::hash_map<unsigned int, UIntHMap> EdgeMap;
typedef typename EdgeMap::iterator EdgeMap_i;
typedef typename EdgeMap::value_type EdgeMap_v;
typedef stdext::hash_map<unsigned int, unsigned int> UIHMap;
typedef STDEXT::hash_map<unsigned int, unsigned int> UIHMap;
typedef typename UIHMap::iterator UIHMap_i;
typedef typename TriMeshType::ConstFaceIterator ConstFaceIterator;
UIHMap origVertsMap;
EdgeMap edges;
VertexInfoVec vInfos;
VertexClipInfoVec vInfos;
TriangleInfoVec tInfos;
CoordType vTriangle[4];
@ -580,7 +637,7 @@ public:
if ((cc[0] | cc[1] | cc[2]) == 0)
{
TriangleInfo tnfo;
VertexInfo vnfo;
VertexClipInfo vnfo;
tnfo.idx = tIdx++;
@ -660,7 +717,7 @@ public:
size_t vBegin = vInfos.size();
VertexInfo vnfo;
VertexClipInfo vnfo;
TriangleInfo tnfo;
unsigned int vmin[3];