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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
* \brief Class to fill in a grid from a SceneGraph (uses only the WingedEdge structures)
*/
#include "WFillGrid.h"
#include "WEdge.h"
namespace Freestyle {
void WFillGrid::fillGrid()
{
if (!_winged_edge || !_grid) {
return;
}
vector<WShape *> wshapes = _winged_edge->getWShapes();
vector<WVertex *> fvertices;
vector<Vec3r> vectors;
vector<WFace *> faces;
for (vector<WShape *>::const_iterator it = wshapes.begin(); it != wshapes.end(); ++it) {
faces = (*it)->GetFaceList();
for (vector<WFace *>::const_iterator f = faces.begin(); f != faces.end(); ++f) {
(*f)->RetrieveVertexList(fvertices);
for (vector<WVertex *>::const_iterator wv = fvertices.begin(); wv != fvertices.end(); ++wv) {
vectors.emplace_back((*wv)->GetVertex());
}
// occluder will be deleted by the grid
Polygon3r *occluder = new Polygon3r(vectors, (*f)->GetNormal());
occluder->setId(_polygon_id++);
occluder->userdata = (void *)(*f);
_grid->insertOccluder(occluder);
vectors.clear();
fvertices.clear();
}
faces.clear();
}
}
} /* namespace Freestyle */
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