AbstractModel* WavefrontLoader::load(const char* str) {
WavefrontModel* m = new WavefrontModel();
m->setName(str);
#ifndef SERVER
std::ifstream file;
file.open(str);
std::stringstream ss(std::stringstream::in | std::stringstream::out);
std::string line;
std::string value;
if (file.is_open()) {
//std::cout << "file is open" << std::endl;
while (!file.eof()) {
getline(file, line);
ss.clear();
ss.str(line);
value = "";
ss >> value;
//std::cout << "line is " << value << std::endl;
//std::cout << "ss is " << ss.str() << std::endl;
if (value.compare("mtllib") == 0) {
//std::cout << "mtllib not supported yet" << std::endl;
} else if (value.compare("o") == 0) {
//std::cout << "o not supported yet" << std::endl;
} else if (value.compare("#") == 0) {
//std::cout << "# not supported yet" << std::endl;
} else if (value.compare("usemtl") == 0) {
//std::cout << "usemtl not supported yet" << std::endl;
} else if (value.compare("s") == 0) {
//std::cout << "s not supported yet" << std::endl;
} else if (value.compare("v") == 0) {
//std::cout << "adding vertex" << std::endl;
std::string tmp = ss.str().substr(2);
handleVertex(m, tmp);
} else if (value.compare("f") == 0) {
//std::cout << "adding face" << std::endl;
std::string tmp = ss.str().substr(2);
handleFace(m, tmp);
} else if (value.compare("vn") == 0) {
//std::cout << "adding face" << std::endl;
std::string tmp = ss.str().substr(2);
handleNormal(m, tmp);
} else if (value.compare("vt") == 0) {
//std::cout << "adding face" << std::endl;
std::string tmp = ss.str().substr(2);
handleTexture(m, tmp);
}
}
}
#endif
//m->print();
AbstractModel* a = m;
return a;
}
void
BrepHandler::extractFace(const DirectoryEntry* de, bool orientWithSurface) {
// spec says the surface can be:
// parametric spline surface
// ruled surface
// surface of revolution
// tabulated cylinder
// rational b-spline surface
// offset surface
// plane surface
// rccyl surface
// rccone surface
// spherical surface
// toroidal surface
debug("########################## E X T R A C T F A C E");
ParameterData params;
_iges->getParameter(de->paramData(), params);
Pointer surfaceDE = params.getPointer(1);
int surf = extractSurface(_iges->getDirectoryEntry(surfaceDE));
int face = handleFace(orientWithSurface, surf);
int numLoops = params.getInteger(2);
bool isOuter = params.getLogical(3) || true; // outer is not set in IGES from Pro/E!
for (int i = 4; (i-4) < numLoops; i++) {
Pointer loopDE = params.getPointer(i);
extractLoop(_iges->getDirectoryEntry(loopDE), isOuter, face);
isOuter = false;
}
}
void AWavefrontDecoder::readObjects()
{
DEBUG_OUT<<"AWavefrontDecoder::readObjects()...\n";
if(!fd) return;
//if(errorFlag) return;
verts=new AList[nframes];
if(!verts) return;
hasvns=false; hasvts=false;
fseek(fd,0L,SEEK_SET);
char *line=(char *)malloc(256);
int a,b;
//int c,d;
float fa,fb,fc;
bool reading=true;
AVertexF3D *theVert=NULL;
ATextCoord3D *theTC=NULL;
AFace3D *theFace=NULL;
unsigned int nvertnormals=0;
while(reading) {
if(feof(fd)) {
reading=false;
break;
}
fgets(line,256,fd);
stringHelp.parseString(line,NULL,false,'\\');
switch(line[0]) {
case '#': case ' ': case '\n':
// Comment or white space
break;
case 's':
// ???, not handled
break;
case 'o':
// Object name(?), not handled
break;
case 'g':
// Group name, not handled
// May have name or not, faces that follow go into that group, may be repeated, out of order, etc.
break;
case 'u':
// Probably usemtl, not handled
// material to use for following faces
break;
case 'm':
// Probably mtllib, not handled
// name of material library
break;
case 'v':
fa=0.0; fb=0.0; fc=0.0;
switch(line[1]) {
case ' ': case '\t':
fa=0.0; fb=0.0; fc=0.0;
sscanf(line+1,"%f %f %f",&fa,&fb,&fc);
DEBUG_OUT<<"v: "<<fa<<","<<fb<<","<<fc<<"\n";
theVert=new AVertexF3D;
theVert->x=fa; theVert->y=fb; theVert->z=fc;
verts[0].append(theVert);
nverts++;
break;
case 't':
fa=0.0; fb=0.0; fc=0.0;
sscanf(line+1,"%f %f",&fa,&fb);
DEBUG_OUT<<"vt: "<<fa<<","<<fb<<"\n";
theTC=new ATextCoord3D;
theTC->u=fa; theTC->v=fb;
textCoords.append(theTC);
ntextcoords++;
hasvts=true;
break;
case 'n':
fa=0.0; fb=0.0; fc=0.0;
sscanf(line+1,"%f %f %f",&fa,&fb,&fc);
DEBUG_OUT<<"vn: "<<fa<<","<<fb<<","<<fc<<"\n";
theVert=new AVertexF3D;
theVert->x=fa; theVert->y=fb; theVert->z=fc;
vertNormals.append(theVert);
nvertnormals++;
hasvns=true;
break;
default:
break;
}
break;
case 'l':
// A line outside of a face, convert to a flat triangle
a=0; b=0;
sscanf(line+1,"%d %d\n",&a,&b);
DEBUG_OUT<<"l: "<<a<<","<<b<<"\n";
theFace=new AFace3D;
theFace->a=a-1; theFace->b=b-1; theFace->c=b-1;
theFace->surf=0;
faces.append(theFace);
nfaces++;
break;
case 'f':
nfaces+=handleFace(&faces,1,-1,0);
break;
default:
DEBUG_OUT<<"Got "<<line[0]<<" unknown token...\n";
break;
}
}
// TODO: Check nvertnormals is either 0 or equal to nverts
}
