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Fix collision reposition with CSGShape3D #102286

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3 changes: 3 additions & 0 deletions editor/plugins/node_3d_editor_plugin.cpp
Original file line number Diff line number Diff line change
@@ -4381,8 +4381,11 @@ void Node3DEditorViewport::assign_pending_data_pointers(Node3D *p_preview_node,

void _insert_rid_recursive(Node *node, HashSet<RID> &rids) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(node);

if (co) {
rids.insert(co->get_rid());
} else if (node->is_class("CSGShape3D")) { // HACK: We should avoid referencing module logic.
rids.insert(node->call("_get_root_collision_instance"));
}

for (int i = 0; i < node->get_child_count(); i++) {
12 changes: 12 additions & 0 deletions modules/csg/csg_shape.cpp
Original file line number Diff line number Diff line change
@@ -166,6 +166,16 @@ bool CSGShape3D::get_collision_mask_value(int p_layer_number) const {
return get_collision_mask() & (1 << (p_layer_number - 1));
}

RID CSGShape3D::_get_root_collision_instance() const {
if (root_collision_instance.is_valid()) {
return root_collision_instance;
} else if (parent_shape) {
return parent_shape->_get_root_collision_instance();
}

return RID();
}

void CSGShape3D::set_collision_priority(real_t p_priority) {
collision_priority = p_priority;
if (root_collision_instance.is_valid()) {
@@ -982,6 +992,8 @@ void CSGShape3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_collision_mask_value", "layer_number", "value"), &CSGShape3D::set_collision_mask_value);
ClassDB::bind_method(D_METHOD("get_collision_mask_value", "layer_number"), &CSGShape3D::get_collision_mask_value);

ClassDB::bind_method(D_METHOD("_get_root_collision_instance"), &CSGShape3D::_get_root_collision_instance);

ClassDB::bind_method(D_METHOD("set_collision_layer_value", "layer_number", "value"), &CSGShape3D::set_collision_layer_value);
ClassDB::bind_method(D_METHOD("get_collision_layer_value", "layer_number"), &CSGShape3D::get_collision_layer_value);

2 changes: 2 additions & 0 deletions modules/csg/csg_shape.h
Original file line number Diff line number Diff line change
@@ -156,6 +156,8 @@ class CSGShape3D : public GeometryInstance3D {
void set_collision_mask_value(int p_layer_number, bool p_value);
bool get_collision_mask_value(int p_layer_number) const;

RID _get_root_collision_instance() const;

void set_collision_priority(real_t p_priority);
real_t get_collision_priority() const;