polylist importer's first version

This commit is contained in:
granzuglia 2007-08-16 16:09:23 +00:00
parent 1fee504228
commit 9adde831bf
2 changed files with 372 additions and 153 deletions

View File

@ -14,6 +14,146 @@ namespace io {
{ {
private: private:
static int WedgeNormalAttribute(OpenMeshType& m,const QStringList face,const QStringList wn,const QDomNode wnsrc,const int meshfaceind,const int faceind,const int component)
{
int indnm = -1;
if (!wnsrc.isNull())
{
indnm = face.at(faceind).toInt();
assert(indnm * 3 < wn.size());
m.face[meshfaceind].WN(component) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
}
return indnm;
}
static int WedgeTextureAttribute(OpenMeshType& m,const QStringList face,const QStringList wt,const QDomNode wtsrc,const int meshfaceind,const int faceind,const int component)
{
int indtx = -1;
if (!wtsrc.isNull())
{
indtx = face.at(faceind).toInt();
assert(indtx * 2 < wt.size());
m.face[meshfaceind].WT(component) = vcg::TexCoord2<float>();
m.face[meshfaceind].WT(component).u() = wt.at(indtx * 2).toFloat();
m.face[meshfaceind].WT(component).v() = wt.at(indtx * 2 + 1).toFloat();
m.face[meshfaceind].WT(component).n() = 1;
}
return indtx;
}
static int WedgeColorAttribute(OpenMeshType& m,const QStringList face,const QStringList wc,const QDomNode wcsrc,const int meshfaceind,const int faceind,const int component)
{
int indcl;
if (!wcsrc.isNull())
{
indcl = face.at(faceind).toInt();
assert(indcl * 4 < wc.size());
m.face[meshfaceind].WC(component) = vcg::Color4b(wc.at(indcl * 4).toFloat(),wc.at(indcl * 4 + 1).toFloat(),wc.at(indcl * 4 + 2).toFloat(),wc.at(indcl * 4 + 3).toFloat());
}
return indcl;
}
static void FindStandardWedgeAttributes(WedgeAttribute& wed,const QDomNode nd,const QDomDocument doc)
{
wed.wnsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","NORMAL");
wed.offnm = findStringListAttribute(wed.wn,wed.wnsrc,nd,doc,"NORMAL");
wed.wtsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","TEXCOORD");
wed.offtx = findStringListAttribute(wed.wt,wed.wtsrc,nd,doc,"TEXCOORD");
wed.wcsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","COLOR");
wed.offcl = findStringListAttribute(wed.wc,wed.wcsrc,nd,doc,"COLOR");
}
static DAEError LoadPolygonalMesh(QDomNodeList& polypatch,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
return E_NOERROR;
}
static DAEError LoadPolygonalListMesh(QDomNodeList& polylist,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
PolygonalMesh pm;
for(OpenMeshType::VertexIterator itv = m.vert.begin();itv != m.vert.end();++itv)
{
vcg::Point3f p(itv->P().X(),itv->P().Y(),itv->P().Z());
pm.vert.push_back(p);
}
int polylist_size = polylist.size();
for(int pl = 0; pl < polylist_size;++pl)
{
PolygonalMesh::PERWEDGEATTRIBUTETYPE att = PolygonalMesh::NONE;
WedgeAttribute wa;
FindStandardWedgeAttributes(wa,polylist.at(pl),*(info->dae->doc));
QStringList vertcount;
valueStringList(vertcount,polylist.at(pl),"vcount");
int indforpol = findOffSetForASingleSimplex(polylist.at(pl));
int offpols = 0;
int npolig = vertcount.size();
QStringList polyind;
valueStringList(polyind,polylist.at(pl),"p");
for(unsigned int ii = 0;ii < npolig;++ii)
{
int nvert = vertcount.at(ii).toInt();
MyPolygon p(nvert);
if (!wa.wnsrc.isNull())
p.usePerWedgeNormal();
if (!wa.wcsrc.isNull())
p.usePerWedgeColor();
if (!wa.wtsrc.isNull())
p.usePerWedgeMultiTexture();
for(unsigned int iv = 0;iv < nvert;++iv)
{
int index = offset + polyind.at(offpols + iv * indforpol).toInt();
p._pv[iv] = &(pm.vert[index]);
}
pm._pols.push_back(p);
offpols += nvert * indforpol;
}
}
pm.triangulate(m);
return E_NOERROR;
}
static DAEError LoadTriangularMesh(QDomNodeList& tripatch,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
int tripatch_size = tripatch.size();
for(int tript = 0; tript < tripatch_size;++tript)
{
int nfcatt = tripatch.at(tript).toElement().elementsByTagName("input").size();
QStringList face;
valueStringList(face,tripatch.at(tript),"p");
int face_size = face.size();
int offsetface = (int)m.face.size();
if (face_size == 0) return E_NOMESH;
vcg::tri::Allocator<OpenMeshType>::AddFaces(m,face_size / (nfcatt * 3));
WedgeAttribute wa;
FindStandardWedgeAttributes(wa,tripatch.at(tript),*(info->dae->doc));
int jj = 0;
//int dd = m.face.size();
for(int ff = offsetface;ff < (int) m.face.size();++ff)
{
for(unsigned int tt = 0;tt < 3;++tt)
{
int indvt = face.at(jj).toInt();
assert(indvt + offset < m.vert.size());
m.face[ff].V(tt) = &(m.vert[indvt + offset]);
int indnm = WedgeNormalAttribute(m,face,wa.wn,wa.wnsrc,ff,jj + wa.offnm,tt);
int indtx = WedgeTextureAttribute(m,face,wa.wt,wa.wtsrc,ff,jj + wa.offtx,tt);
int indcl = WedgeColorAttribute(m,face,wa.wc,wa.wcsrc,ff,jj + wa.offcl,tt);
jj += nfcatt;
}
}
}
return E_NOERROR;
}
static int LoadMesh(OpenMeshType& m,AdditionalInfoDAE* info,const QDomNode& geo,const vcg::Matrix44f& t, CallBackPos *cb=0) static int LoadMesh(OpenMeshType& m,AdditionalInfoDAE* info,const QDomNode& geo,const vcg::Matrix44f& t, CallBackPos *cb=0)
{ {
@ -102,147 +242,20 @@ namespace io {
QDomNodeList tripatch = geo.toElement().elementsByTagName("triangles"); QDomNodeList tripatch = geo.toElement().elementsByTagName("triangles");
int tripatch_size = tripatch.size(); int tripatch_size = tripatch.size();
if (tripatch_size == 0) QDomNodeList polypatch = geo.toElement().elementsByTagName("polygons");
return E_NOTRIANGLES; int polypatch_size = polypatch.size();
QDomNodeList polylist = geo.toElement().elementsByTagName("polylist");
for(int tript = 0; tript < tripatch_size;++tript) int polylist_size = polylist.size();
{ if ((tripatch_size == 0) && (polypatch_size == 0) && (polylist_size == 0))
return E_NOPOLYGONALMESH;
int nfcatt = tripatch.at(tript).toElement().elementsByTagName("input").size();
DAEError err = E_NOERROR;
QStringList face; if (tripatch_size != 0) err = LoadTriangularMesh(tripatch,m,offset,info);
valueStringList(face,tripatch.at(tript),"p"); else
int face_size = face.size(); if (polypatch_size != 0) err = LoadPolygonalMesh(polypatch,m,offset,info);
int offsetface = (int)m.face.size(); else
if (face_size == 0) return E_NOMESH; if (polylist_size != 0) err = LoadPolygonalListMesh(polylist,m,offset,info);
vcg::tri::Allocator<OpenMeshType>::AddFaces(m,face_size / (nfcatt * 3)); if (err != E_NOERROR) return err;
QDomNode wnsrc = QDomNode();
QStringList wn;
wnsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","NORMAL");
int offnm;
if (!wnsrc.isNull())
{
offnm = wnsrc.toElement().attribute("offset").toInt();
QDomNode sn = attributeSourcePerSimplex(tripatch.at(tript),*(info->dae->doc),"NORMAL");
valueStringList(wn,sn,"float_array");
}
QDomNode wtsrc = QDomNode();
QStringList wt;
wtsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","TEXCOORD");
int offtx;
if (!wtsrc.isNull())
{
offtx = wtsrc.toElement().attribute("offset").toInt();
QDomNode st = attributeSourcePerSimplex(tripatch.at(tript),*(info->dae->doc),"TEXCOORD");
valueStringList(wt,st,"float_array");
}
QDomNode wcsrc = QDomNode();
QStringList wc;
wcsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","COLOR");
int offcl;
if (!wcsrc.isNull())
{
offcl = wcsrc.toElement().attribute("offset").toInt();
QDomNode sc = attributeSourcePerSimplex(tripatch.at(tript),*(info->dae->doc),"COLOR");
valueStringList(wc,sc,"float_array");
}
int jj = 0;
//int dd = m.face.size();
for(int ff = offsetface;ff < (int) m.face.size();++ff)
{
int indvt = face.at(jj).toInt();
assert(indvt + offset < m.vert.size());
m.face[ff].V(0) = &(m.vert[indvt + offset]);
int indnm;
if (!wnsrc.isNull())
{
indnm = face.at(jj + offnm).toInt();
assert(indnm * 3 < wn.size());
m.face[ff].WN(0) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
}
int indtx;
if (!wtsrc.isNull())
{
indtx = face.at(jj + offtx).toInt();
assert(indtx * 2 < wt.size());
m.face[ff].WT(0) = vcg::TexCoord2<float>();
m.face[ff].WT(0).u() = wt.at(indtx * 2).toFloat();
m.face[ff].WT(0).v() = wt.at(indtx * 2 + 1).toFloat();
m.face[ff].WT(0).n() = 1;
}
/*int indcl;
if (!wcsrc.isNull())
{
indcl = face.at(jj + offcl).toInt();
assert(indcl * 4 < wc.size());
m.face[ff].WC(0) = vcg::Color4b(wc.at(indcl * 4).toFloat(),wc.at(indcl * 4 + 1).toFloat(),wc.at(indcl * 4 + 2).toFloat(),wc.at(indcl * 4 + 3).toFloat());
}*/
jj += nfcatt;
indvt = face.at(jj).toInt();
assert(indvt + offset < m.vert.size());
m.face[ff].V(1) = &(m.vert[indvt + offset]);
if (!wnsrc.isNull())
{
indnm = face.at(jj + offnm).toInt();
assert(indnm * 3 < wn.size());
m.face[ff].WN(1) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
}
if (!wtsrc.isNull())
{
indtx = face.at(jj + offtx).toInt();
assert(indtx * 2 < wt.size());
m.face[ff].WT(1) = vcg::TexCoord2<float>();
m.face[ff].WT(1).u() = wt.at(indtx * 2).toFloat();
m.face[ff].WT(1).v() = wt.at(indtx * 2 + 1).toFloat();
m.face[ff].WT(1).n() = 1;
}
/*if (!wcsrc.isNull())
{
indcl = face.at(jj + offcl).toInt();
assert(indcl * 4 < wc.size());
m.face[ff].WC(1) = vcg::Color4b(wc.at(indcl * 4).toFloat(),wc.at(indcl * 4 + 1).toFloat(),wc.at(indcl * 4 + 2).toFloat(),wc.at(indcl * 4 + 3).toFloat());
}*/
jj += nfcatt;
indvt = face.at(jj).toInt();
assert(indvt + offset < m.vert.size());
m.face[ff].V(2) = &(m.vert[indvt + offset]);
if (!wnsrc.isNull())
{
indnm = face.at(jj + offnm).toInt();
assert(indnm * 3 < wn.size());
m.face[ff].WN(2) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
}
if (!wtsrc.isNull())
{
indtx = face.at(jj + offtx).toInt();
assert(indtx * 2 < wt.size());
m.face[ff].WT(2) = vcg::TexCoord2<float>();
m.face[ff].WT(2).u() = wt.at(indtx * 2).toFloat();
m.face[ff].WT(2).v() = wt.at(indtx * 2 + 1).toFloat();
m.face[ff].WT(2).n() = 1;
}
/*if (!wcsrc.isNull())
{
indcl = face.at(jj + offcl).toInt();
assert(indcl * 4 < wc.size());
m.face[ff].WC(2) = vcg::Color4b(wc.at(indcl * 4).toFloat(),wc.at(indcl * 4 + 1).toFloat(),wc.at(indcl * 4 + 2).toFloat(),wc.at(indcl * 4 + 3).toFloat());
}*/
jj += nfcatt;
}
}
} }
return E_NOERROR; return E_NOERROR;
} }
@ -468,17 +481,22 @@ namespace io {
bHasPerVertexText = true; bHasPerVertexText = true;
} }
QDomNodeList facelist = geo.toElement().elementsByTagName("triangles"); const char* arr[] = {"triangles","polylist","polygons"};
for(int face = 0;face < facelist.size();++face)
for(unsigned int tt= 0;tt < 3;++tt)
{ {
info->numface += facelist.at(face).toElement().attribute("count").toInt() ; QDomNodeList facelist = geo.toElement().elementsByTagName(arr[tt]);
QDomNode no; for(int face = 0;face < facelist.size();++face)
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","NORMAL"); {
if (!no.isNull()) info->numface += facelist.at(face).toElement().attribute("count").toInt() ;
bHasPerWedgeNormal = true; QDomNode no;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","TEXCOORD"); no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","NORMAL");
if (!no.isNull()) if (!no.isNull())
bHasPerWedgeTexCoord = true; bHasPerWedgeNormal = true;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","TEXCOORD");
if (!no.isNull())
bHasPerWedgeTexCoord = true;
}
} }
} }
} }

View File

@ -1,6 +1,8 @@
#ifndef __VCGLIB_UTILDAE #ifndef __VCGLIB_UTILDAE
#define __VCGLIB_UTILDAE #define __VCGLIB_UTILDAE
#include <wrap/io_trimesh/additionalinfo.h> #include <wrap/io_trimesh/additionalinfo.h>
#include <vcg/complex/trimesh/update/normal.h> #include <vcg/complex/trimesh/update/normal.h>
#include <vcg/complex/trimesh/allocate.h> #include <vcg/complex/trimesh/allocate.h>
@ -14,8 +16,20 @@
#include<vcg/space/point3.h> #include<vcg/space/point3.h>
#include<vcg/space/texcoord2.h> #include<vcg/space/texcoord2.h>
#include<vcg/space/color4.h> #include<vcg/space/color4.h>
#include<vcg/space/texcoord2.h>
#include <wrap/callback.h> #include <wrap/callback.h>
#include <vector>
#include <vcg/simplex/vertex/with/vn.h>
#include <vcg/simplex/edge/edge.h>
#ifndef CALLBACK
#define CALLBACK __stdcall
#endif
#include <wrap/gl/glu_tesselator.h>
namespace vcg { namespace vcg {
namespace tri { namespace tri {
namespace io { namespace io {
@ -71,7 +85,151 @@ namespace io {
E_NO3DSCENE, // 6 E_NO3DSCENE, // 6
E_INCOMPATIBLECOLLADA141FORMAT, //7 E_INCOMPATIBLECOLLADA141FORMAT, //7
E_UNREFERENCEBLEDCOLLADAATTRIBUTE, // 8 E_UNREFERENCEBLEDCOLLADAATTRIBUTE, // 8
E_NOTRIANGLES E_NOPOLYGONALMESH
};
class MyPolygon;
class MyEdge;
class MyVertex:public vcg::VertexVNf<MyEdge , MyPolygon, MyEdge>
{
public:
MyVertex()
:vcg::VertexVNf<MyEdge , MyPolygon, MyEdge>()
{
_flags = 0;
}
MyVertex(MyVertex::CoordType& v)
{
_flags = 0;
P() = v;
}
};
class MyPolygon
{
public:
int _nvert;
std::vector<MyVertex*> _pv;
std::vector< std::vector<vcg::TexCoord2<> > > _wtx;
std::vector<vcg::Point3f> _wnm;
std::vector< std::vector<vcg::Color4f> > _wcl;
MyPolygon(int n)
:_nvert(n),_pv(_nvert)
{
}
void usePerWedgeColor(const unsigned int multicolor = 1)
{
_wcl.resize(_nvert);
for(unsigned int ii = 0;ii < multicolor;++ii)
_wcl[ii].resize(multicolor);
}
void usePerWedgeNormal()
{
_wnm.resize(_nvert);
}
void usePerWedgeMultiTexture(const unsigned int multitex = 1)
{
_wtx.resize(_nvert);
for(unsigned int ii = 0;ii < multitex;++ii)
_wtx[ii].resize(multitex);
}
};
class MyEdge: public vcg::Edge<MyEdge,MyVertex>
{
public:
MyEdge(MyVertex* v1,MyVertex* v2)
:vcg::Edge<MyEdge,MyVertex>(v1,v2)
{
}
};
class PolygonalMesh
{
public:
enum PERWEDGEATTRIBUTETYPE {NONE = 0,NORMAL = 1,MULTITEXTURECOORD = 2,MULTICOLOR = 4};
typedef MyVertex::BaseVertexType VertexType;
typedef VertexType* VertexPointer;
typedef std::vector<MyVertex>::iterator VertexIterator;
typedef std::vector<MyPolygon>::iterator PolygonIterator;
vcg::Box3<float> bbox;
std::vector<MyVertex> vert;
std::vector<MyPolygon> _pols;
void generatePointsVector(std::vector<std::vector<vcg::Point3f>>& v)
{
for(PolygonalMesh::PolygonIterator itp = _pols.begin();itp != _pols.end();++itp)
{
v.push_back(std::vector<vcg::Point3f>());
for(std::vector<MyVertex*>::iterator itv = itp->_pv.begin();itv != itp->_pv.end();++itv)
{
v[v.size() - 1].push_back((*itv)->P());
}
}
}
void usePerWedgeAttributes(PERWEDGEATTRIBUTETYPE att,const unsigned int multitexture = 1,const unsigned int multicolor = 1)
{
if (att != NONE)
{
for(PolygonIterator itp = _pols.begin();itp != _pols.end();++itp)
{
if (att & MULTICOLOR) itp->usePerWedgeColor(multicolor);
if (att & MULTITEXTURECOORD) itp->usePerWedgeMultiTexture(multitexture);
if (att & NORMAL) itp->usePerWedgeNormal();
}
}
}
template<typename TRIMESH>
void triangulate(TRIMESH& mesh)
{
std::vector<std::vector<vcg::Point3f>> pl;
mesh.vert.resize(vert.size());
//PolygonalMesh's points been copied in TriangularMesh
for(size_t jj = 0;jj < mesh.vert.size();++jj)
mesh.vert[jj].P() = vert[jj].P();
//transform the polygonal mesh in a vector<vector<Point>>
generatePointsVector(pl);
//foreach Polygon
for(size_t ii = 0;ii < pl.size();++ii)
{
std::vector<int> tx;
std::vector<std::vector<vcg::Point3f>> pl2(1);
pl2[0] = pl[ii];
vcg::glu_tesselator::tesselate(pl2,tx);
size_t ntri = tx.size() / 3;
assert(tx.size() % 3 == 0);
//foreach triangle
for(size_t tr = 0;tr < ntri;++tr)
{
TRIMESH::FaceType f;
for(unsigned int tt = 0;tt < 3; ++tt)
f.V(tt) = &(mesh.vert[_pols[ii]._pv[tx[3 * tr + tt]] - &(vert[0])]);
mesh.face.push_back(f);
}
}
}
}; };
static const char *ErrorMsg(int error) static const char *ErrorMsg(int error)
@ -87,7 +245,7 @@ namespace io {
"There isn't any scene in Collada file", "There isn't any scene in Collada file",
"The input file is not compatible with COLLADA 1.41 standard format", "The input file is not compatible with COLLADA 1.41 standard format",
"Collada file is trying to referece an attribute that is not in the file", "Collada file is trying to referece an attribute that is not in the file",
"This version of Collada Importer support only triangular mesh file" "This version of Collada Importer support only triangular and polygonal mesh file"
}; };
if(error>9 || error<0) return "Unknown error"; if(error>9 || error<0) return "Unknown error";
@ -265,6 +423,49 @@ namespace io {
TransfMatrix(parentnode,par,m); TransfMatrix(parentnode,par,m);
} }
} }
inline static int findOffSetForASingleSimplex(QDomNode node)
{
QDomNodeList wedatts = node.toElement().elementsByTagName("input");
int max = 0;
if (wedatts.size() == 0) return -1;
else
{
for(unsigned int ii = 0;ii < wedatts.size();++ii)
{
int tmp = wedatts.at(ii).toElement().attribute("offset").toInt();
if (tmp > max) max = tmp;
}
}
return max + 1;
}
inline static int findStringListAttribute(QStringList& list,const QDomNode node,const QDomNode poly,const QDomDocument startpoint,const char* token)
{
int offset;
if (!node.isNull())
{
offset = node.toElement().attribute("offset").toInt();
QDomNode st = attributeSourcePerSimplex(poly,startpoint,token);
valueStringList(list,st,"float_array");
}
return offset;
}
struct WedgeAttribute
{
QDomNode wnsrc;
QStringList wn;
int offnm;
QDomNode wtsrc;
QStringList wt;
int offtx;
QDomNode wcsrc;
QStringList wc;
int offcl;
};
}; };
} }
} }