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don't create empty trims

This commit is contained in:
David Rose 2001-06-28 19:51:58 +00:00
parent 538162cafa
commit 09a6f3400e
1 changed files with 42 additions and 39 deletions
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81
pandatool/src/maya/mayaFile.cxx
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@ -422,50 +422,53 @@ make_nurbs_surface(const MDagPath &dag_path, MFnNurbsSurface surface,
unsigned num_trims = surface.numRegions();
int trim_curve_index = 0;
for (unsigned ti = 0; ti < num_trims; ti++) {
egg_nurbs->_trims.push_back(EggNurbsSurface::Trim());
EggNurbsSurface::Trim &egg_trim = egg_nurbs->_trims.back();
unsigned num_loops = surface.numBoundaries(ti);
for (unsigned li = 0; li < num_loops; li++) {
egg_trim.push_back(EggNurbsSurface::Loop());
EggNurbsSurface::Loop &egg_loop = egg_trim.back();
MFnNurbsSurface::BoundaryType type =
surface.boundaryType(ti, li, &status);
bool keep_loop = false;
if (num_loops > 0) {
egg_nurbs->_trims.push_back(EggNurbsSurface::Trim());
EggNurbsSurface::Trim &egg_trim = egg_nurbs->_trims.back();
if (!status) {
status.perror("MFnNurbsSurface::BoundaryType");
} else {
keep_loop = (type == MFnNurbsSurface::kInner ||
type == MFnNurbsSurface::kOuter);
}
if (keep_loop) {
unsigned num_edges = surface.numEdges(ti, li);
for (unsigned ei = 0; ei < num_edges; ei++) {
MObjectArray edge = surface.edge(ti, li, ei, true, &status);
if (!status) {
status.perror("MFnNurbsSurface::edge");
} else {
unsigned num_segs = edge.length();
for (unsigned si = 0; si < num_segs; si++) {
MObject segment = edge[si];
if (segment.hasFn(MFn::kNurbsCurve)) {
MFnNurbsCurve curve(segment, &status);
if (!status) {
nout << "Trim curve appears to be a nurbs curve, but isn't.\n";
} else {
// Finally, we have a valid curve!
EggNurbsCurve *egg_curve =
make_trim_curve(curve, name, egg_group, trim_curve_index);
trim_curve_index++;
if (egg_curve != (EggNurbsCurve *)NULL) {
egg_loop.push_back(egg_curve);
for (unsigned li = 0; li < num_loops; li++) {
egg_trim.push_back(EggNurbsSurface::Loop());
EggNurbsSurface::Loop &egg_loop = egg_trim.back();
MFnNurbsSurface::BoundaryType type =
surface.boundaryType(ti, li, &status);
bool keep_loop = false;
if (!status) {
status.perror("MFnNurbsSurface::BoundaryType");
} else {
keep_loop = (type == MFnNurbsSurface::kInner ||
type == MFnNurbsSurface::kOuter);
}
if (keep_loop) {
unsigned num_edges = surface.numEdges(ti, li);
for (unsigned ei = 0; ei < num_edges; ei++) {
MObjectArray edge = surface.edge(ti, li, ei, true, &status);
if (!status) {
status.perror("MFnNurbsSurface::edge");
} else {
unsigned num_segs = edge.length();
for (unsigned si = 0; si < num_segs; si++) {
MObject segment = edge[si];
if (segment.hasFn(MFn::kNurbsCurve)) {
MFnNurbsCurve curve(segment, &status);
if (!status) {
nout << "Trim curve appears to be a nurbs curve, but isn't.\n";
} else {
// Finally, we have a valid curve!
EggNurbsCurve *egg_curve =
make_trim_curve(curve, name, egg_group, trim_curve_index);
trim_curve_index++;
if (egg_curve != (EggNurbsCurve *)NULL) {
egg_loop.push_back(egg_curve);
}
}
} else {
nout << "Trim curve segment is not a nurbs curve.\n";
}
} else {
nout << "Trim curve segment is not a nurbs curve.\n";
}
}
}