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gobj: Assert instead of crash if primitive references out-of-bounds vert

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rdb 2020-12-14 16:54:20 +01:00
parent a11e21e4f4
commit fa8c8e71b5
1 changed files with 8 additions and 0 deletions
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8
panda/src/gobj/geomPrimitive.cxx
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@ -1627,6 +1627,8 @@ calc_tight_bounds(LPoint3 &min_point, LPoint3 &max_point,
for (; i < cdata->_num_vertices; ++i) {
reader.set_row_unsafe(cdata->_first_vertex + i);
nassertv(!reader.is_at_end());
LPoint3 vertex = mat.xform_point_general(reader.get_data3());
min_point.set(min(min_point[0], vertex[0]),
@ -1653,6 +1655,8 @@ calc_tight_bounds(LPoint3 &min_point, LPoint3 &max_point,
for (; i < cdata->_num_vertices; ++i) {
reader.set_row_unsafe(cdata->_first_vertex + i);
nassertv(!reader.is_at_end());
const LVecBase3 &vertex = reader.get_data3();
min_point.set(min(min_point[0], vertex[0]),
@ -1696,6 +1700,8 @@ calc_tight_bounds(LPoint3 &min_point, LPoint3 &max_point,
continue;
}
reader.set_row_unsafe(ii);
nassertv(!reader.is_at_end());
LPoint3 vertex = mat.xform_point_general(reader.get_data3());
min_point.set(min(min_point[0], vertex[0]),
@ -1728,6 +1734,8 @@ calc_tight_bounds(LPoint3 &min_point, LPoint3 &max_point,
continue;
}
reader.set_row_unsafe(ii);
nassertv(!reader.is_at_end());
const LVecBase3 &vertex = reader.get_data3();
min_point.set(min(min_point[0], vertex[0]),