-Support for changing fonts

-Detect when free() might crash the project and throw error
-fixed 2D Bounce in physics (3d still broken)
-renamed “on_top” property to “behind_parent”, which makes more sense, old on_top remains there for compatibility but is invisible.
-large amount of fixes

1 files changed, 6 insertions, 2 deletions

diff --git a/core/object.h b/core/object.h
index 913d837172..6290f9d64b 100644
--- a/core/object.h
+++ b/core/object.h
@@ -331,7 +331,9 @@ public:
 		Connection(const Variant& p_variant);
 	};
 private:
-
+#ifdef DEBUG_ENABLED
+friend class _ObjectDebugLock;
+#endif
 friend bool predelete_handler(Object*);
 friend void postinitialize_handler(Object*);
 
@@ -365,7 +367,9 @@ friend void postinitialize_handler(Object*);
 
 	HashMap< StringName, Signal, StringNameHasher> signal_map;
 	List<Connection> connections;
-
+#ifdef DEBUG_ENABLED
+	SafeRefCount _lock_index;
+#endif
 	bool _block_signals;
 	int _predelete_ok;
 	Set<Object*> change_receptors;