Added default constructor with null initialization to adjacency members.

AddFaces and AddVertices NEED to know if the topology is correctly computed to update it.
This commit is contained in:
Paolo Cignoni 2006-11-28 22:34:28 +00:00
parent 5af2209678
commit d614e6baa5
4 changed files with 47 additions and 26 deletions

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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.33 2006/11/13 13:12:27 ponchio
Removed a couple of useless assert.
Revision 1.32 2006/10/27 11:06:29 ganovelli
the calls to HasFFAdjacency e HasVFAdjacency have been changed to override them for the optional attributes (see vcg/complex/trimesh/base.h)
@ -168,9 +171,11 @@ namespace vcg {
void Clear(){newBase=oldBase=newEnd=oldEnd=0;preventUpdateFlag=false;};
void Update(SimplexPointerType &vp)
{
assert(vp>=oldBase);
assert(vp<oldEnd);
vp=newBase+(vp-oldBase);
}
bool NeedUpdate() {if(newBase!=oldBase && !preventUpdateFlag) return true; else return false;}
bool NeedUpdate() {if(oldBase && newBase!=oldBase && !preventUpdateFlag) return true; else return false;}
SimplexPointerType oldBase;
SimplexPointerType newBase;
@ -192,14 +197,12 @@ namespace vcg {
VertexIterator last;
pu.Clear();
if(m.vert.empty()) pu.oldBase=0; // if the vector is empty we cannot find the last valid element
else pu.oldBase=&*m.vert.begin();
for(int i=0; i<n; ++i)
{
m.vert.push_back(VertexType());
// m.vert.back().ClearFlags(); // No more necessary, since 9/2005 flags are set to zero in the constuctor.
}
else {
pu.oldBase=&*m.vert.begin();
pu.oldEnd=&m.vert.back()+1;
}
m.vert.resize(m.vert.size()+n);
m.vn+=n;
pu.newBase = &*m.vert.begin();
@ -258,7 +261,7 @@ namespace vcg {
}
/** Function to add n faces to the mesh.
This is the only full featured function
This is the only full featured function that is able to manage correctly all the internal pointers of the mesh (ff and vf relations).
NOTE: THIS FUNCTION ALSO UPDATE FN
*/
static FaceIterator AddFaces(MeshType &m, int n, PointerUpdater<FacePointer> &pu)
@ -269,16 +272,11 @@ namespace vcg {
pu.oldBase=0; // if the vector is empty we cannot find the last valid element
} else {
pu.oldBase=&*m.face.begin();
pu.oldEnd=&m.face.back()+1;
last=m.face.end();
}
m.face.resize(m.face.size()+n);
/* for(int i=0; i<n; ++i)
{
m.face.push_back(FaceType());
m.face.back().ClearFlags();
}*/
m.fn+=n;
pu.newBase = &*m.face.begin();
@ -308,15 +306,13 @@ namespace vcg {
for (vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
if(!(*vi).IsD())
{
if(VertexType::HasVFAdjacency())
if(HasVFAdjacency(m))
if ((*vi).cVFp()!=0)
pu.Update((FaceType * &)(*vi).VFp());
// Note the above cast is probably not useful if you have correctly defined
// your vertex type with the correct name of the facetype as a template argument;
// pu.Update((FaceType*)(*vi).VFp()); compiles on old gcc and borland
// pu.Update((*vi).VFp()); compiles on .net and newer gcc
}
// e poiche' lo spazio e' cambiato si ricalcola anche last da zero

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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.8 2006/10/07 09:59:42 cignoni
Added missing const to EmptyFF
Revision 1.7 2006/01/09 13:58:55 cignoni
Added Initialization of Color in Vertex and Face Components
@ -332,6 +335,7 @@ public:
template <class T> class VFAdj: public T {
public:
typename T::FacePointer &VFp(const int j) { assert(j>=0 && j<3); return _vfp[j]; }
typename T::FacePointer const VFp(const int j) const { assert(j>=0 && j<3); return _vfp[j]; }
typename T::FacePointer const cVFp(const int j) const { assert(j>=0 && j<3); return _vfp[j]; }
@ -347,6 +351,11 @@ private:
template <class T> class FFAdj: public T {
public:
FFAdj(){
_ffp[0]=0;
_ffp[1]=0;
_ffp[2]=0;
}
typename T::FacePointer &FFp(const int j) { assert(j>=0 && j<3); return _ffp[j]; }
typename T::FacePointer const FFp(const int j) const { assert(j>=0 && j<3); return _ffp[j]; }
typename T::FacePointer const cFFp(const int j) const { assert(j>=0 && j<3); return _ffp[j]; }

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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.18 2006/11/07 11:29:24 cignoni
Corrected some errors in the reflections Has*** functions
Revision 1.17 2006/10/31 16:02:18 ganovelli
vesione 2005 compliant
@ -121,7 +124,16 @@ public:
// Auxiliary types to build internal vectors
struct AdjTypePack {
typename VALUE_TYPE::FacePointer _fp[3] ;
char _zp[3] ;
char _zp[3] ;
// Default constructor.
// Needed because we need to know if adjacency is initialized or not
// when resizing vectors and during an allocate face.
AdjTypePack() {
_fp[0]=0;
_fp[1]=0;
_fp[2]=0;
}
};
//template <class TexCoordType>
@ -158,19 +170,19 @@ public:
void pop_back();
void resize(const unsigned int & _size)
{
int oldsize = BaseType::size();
int oldsize = BaseType::size();
BaseType::resize(_size);
if(oldsize<_size){
ThisTypeIterator firstnew = BaseType::begin();
advance(firstnew,oldsize);
_updateOVP(firstnew,(*this).end());
}
if(oldsize<_size){
ThisTypeIterator firstnew = BaseType::begin();
advance(firstnew,oldsize);
_updateOVP(firstnew,(*this).end());
}
if (ColorEnabled) CV.resize(_size);
if (MarkEnabled) MV.resize(_size);
if (NormalEnabled) NV.resize(_size);
if (VFAdjacencyEnabled) AV.resize(_size);
if (FFAdjacencyEnabled) AF.resize(_size);
if (WedgeTexEnabled) WTV.resize(_size,WedgeTexTypePack());
if (WedgeTexEnabled) WTV.resize(_size,WedgeTexTypePack());
}
void reserve(const unsigned int & _size)

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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.17 2006/01/09 13:58:56 cignoni
Added Initialization of Color in Vertex and Face Components
Revision 1.16 2005/11/22 23:58:03 cignoni
Added intiailization of flags to zero in the constructor,
@ -271,6 +274,7 @@ public:
template <class T> class VFAdj: public T {
public:
VFAdj(){_fp=0;}
typename T::FacePointer &VFp() {return _fp; }
typename T::FacePointer cVFp() {return _fp; }
int &VFi() {return _zp; }