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Merge pull request #75509 from KoBeWi/In_physics,_the_observer_effect_is_the_disturbance_of_an_observed_system_by_the_act_of_observation._A_common_example_is_checking_CanvasItem's_global_position,_which_causes_its_transform_to_be_re-calculated-

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Fix invalid global position when read outside tree
This commit is contained in:
Rémi Verschelde 2023-04-19 10:13:48 +02:00
commit 3695dfb357
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GPG Key ID: C3336907360768E1
2 changed files with 8 additions and 0 deletions
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7
scene/main/canvas_item.cpp
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@ -142,6 +142,10 @@ void CanvasItem::_redraw_callback() {
pending_update = false; // don't change to false until finished drawing (avoid recursive update)
}
void CanvasItem::_invalidate_global_transform() {
global_invalid = true;
}
Transform2D CanvasItem::get_global_transform_with_canvas() const {
if (canvas_layer) {
return canvas_layer->get_final_transform() * get_global_transform();
@ -290,6 +294,7 @@ void CanvasItem::_notification(int p_what) {
}
}
global_invalid = true;
_enter_canvas();
RenderingServer::get_singleton()->canvas_item_set_visible(canvas_item, is_visible_in_tree()); // The visibility of the parent may change.
@ -403,6 +408,7 @@ void CanvasItem::set_as_top_level(bool p_top_level) {
if (!is_inside_tree()) {
top_level = p_top_level;
propagate_call(SNAME("_invalidate_global_transform"));
return;
}
@ -950,6 +956,7 @@ void CanvasItem::_validate_property(PropertyInfo &p_property) const {
void CanvasItem::_bind_methods() {
ClassDB::bind_method(D_METHOD("_top_level_raise_self"), &CanvasItem::_top_level_raise_self);
ClassDB::bind_method(D_METHOD("_invalidate_global_transform"), &CanvasItem::_invalidate_global_transform);
#ifdef TOOLS_ENABLED
ClassDB::bind_method(D_METHOD("_edit_set_state", "state"), &CanvasItem::_edit_set_state);

1
scene/main/canvas_item.h
View File

@ -129,6 +129,7 @@ private:
virtual void _top_level_changed_on_parent();
void _redraw_callback();
void _invalidate_global_transform();
void _enter_canvas();
void _exit_canvas();