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Merge pull request #70994 from reduz/prevent-inspector-resource-recursion

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Prevent recursion (and hence crash) in inspector resource assignment.
This commit is contained in:
Rémi Verschelde 2023-01-08 22:51:29 +01:00
commit bb08997b87
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GPG Key ID: C3336907360768E1
1 changed files with 81 additions and 1 deletions
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82
editor/editor_properties.cpp
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@ -3847,7 +3847,87 @@ void EditorPropertyResource::_resource_selected(const Ref<Resource> &p_resource,
}
}
static bool _find_recursive_resources(const Variant &v, HashSet<Resource *> &resources_found) {
switch (v.get_type()) {
case Variant::ARRAY: {
Array a = v;
for (int i = 0; i < a.size(); i++) {
Variant v2 = a[i];
if (v2.get_type() != Variant::ARRAY && v2.get_type() != Variant::DICTIONARY && v2.get_type() != Variant::OBJECT) {
continue;
}
if (_find_recursive_resources(v2, resources_found)) {
return true;
}
}
} break;
case Variant::DICTIONARY: {
Dictionary d = v;
List<Variant> keys;
d.get_key_list(&keys);
for (const Variant &k : keys) {
if (k.get_type() == Variant::ARRAY || k.get_type() == Variant::DICTIONARY || k.get_type() == Variant::OBJECT) {
if (_find_recursive_resources(k, resources_found)) {
return true;
}
}
Variant v2 = d[k];
if (v2.get_type() == Variant::ARRAY || v2.get_type() == Variant::DICTIONARY || v2.get_type() == Variant::OBJECT) {
if (_find_recursive_resources(v2, resources_found)) {
return true;
}
}
}
} break;
case Variant::OBJECT: {
Ref<Resource> r = v;
if (r.is_null()) {
return false;
}
if (resources_found.has(r.ptr())) {
return true;
}
resources_found.insert(r.ptr());
List<PropertyInfo> plist;
r->get_property_list(&plist);
for (const PropertyInfo &pinfo : plist) {
if (!(pinfo.usage & PROPERTY_USAGE_STORAGE)) {
continue;
}
if (pinfo.type != Variant::ARRAY && pinfo.type != Variant::DICTIONARY && pinfo.type != Variant::OBJECT) {
continue;
}
if (_find_recursive_resources(r->get(pinfo.name), resources_found)) {
return true;
}
}
} break;
default: {
}
}
return false;
}
void EditorPropertyResource::_resource_changed(const Ref<Resource> &p_resource) {
Resource *r = Object::cast_to<Resource>(get_edited_object());
if (r) {
// Check for recursive setting of resource
HashSet<Resource *> resources_found;
resources_found.insert(r);
bool found = _find_recursive_resources(p_resource, resources_found);
if (found) {
EditorNode::get_singleton()->show_warning(TTR("Recursion detected, unable to assign resource to property."));
emit_changed(get_edited_property(), Ref<Resource>());
update_property();
return;
}
}
// Make visual script the correct type.
Ref<Script> s = p_resource;
@ -3863,7 +3943,7 @@ void EditorPropertyResource::_resource_changed(const Ref<Resource> &p_resource)
// Prevent the creation of invalid ViewportTextures when possible.
Ref<ViewportTexture> vpt = p_resource;
if (vpt.is_valid()) {
Resource *r = Object::cast_to<Resource>(get_edited_object());
r = Object::cast_to<Resource>(get_edited_object());
if (r && r->get_path().is_resource_file()) {
EditorNode::get_singleton()->show_warning(TTR("Can't create a ViewportTexture on resources saved as a file.\nResource needs to belong to a scene."));
emit_changed(get_edited_property(), Ref<Resource>());