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Clone profile for immutability in IfcDerivedProfileDef

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This commit is contained in:
Thomas Krijnen
2024-04-11 20:01:06 +02:00
parent 9e2645d4cf
commit 85887b6db0
1 changed files with 5 additions and 0 deletions
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src/ifcgeom/mapping/IfcDerivedProfileDef.cpp
+5
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@@ -23,6 +23,11 @@ using namespace ifcopenshell::geometry;
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcDerivedProfileDef* inst) {
auto it = map(inst->ParentProfile());
if (it == nullptr) {
return nullptr;
}
// @todo we mutate it so we need to clone otherwise we alter the cached item.
it = taxonomy::item::ptr(it->clone_());
taxonomy::matrix4::ptr m = taxonomy::cast<taxonomy::matrix4>(map(inst->Operator()));
if (!taxonomy::cast<taxonomy::geom_item>(it)->matrix) {
// @todo should this not be initialized by default? matrix4 already has a 'lazy identity' mechanism.