feat: disallows user input during scene changes

addons/escoria-core/game/core-scripts/esc/esc_room_manager.gd

@@ -51,6 +51,9 @@ func register_reserved_globals() -> void:
 # - enable_automatic_transitions: Whether to play the transition between rooms
 #	automatically or to leave the responsibility to the developer.
 func change_scene(room_path: String, enable_automatic_transitions: bool) -> void:
+	# We're changing scenes, so users shouldn't be able to do stuff during.
+	escoria.game_scene.disable_all_input()
+
 	# Clear the event queue to remove other events (there could be duplicate
 	# events in there so we avoid running these multiple times). Also sets a
 	# flag indicating a changing scene and interrupts any other currently-running
@@ -323,6 +326,9 @@ func _perform_script_events(room: ESCRoom) -> void:
 	# Hide main and pause menus
 	escoria.game_scene.hide_main_menu()
 	escoria.game_scene.unpause_game()
+	
+	# Make sure user input is allowed
+	escoria.game_scene.enable_all_input()
 
 	# Maybe this is ok to put in set_scene_finish() above? But it might be a bit
 	# confusing to not see the matching camera.current updates.

addons/escoria-core/game/core-scripts/esc_game.gd

@@ -463,3 +463,21 @@ func escoria_show_ui():
 # Manage signal room_deady from main.gd.
 func _on_room_ready():
 	room_ready_for_inputs = true
+
+
+# Disallows all input to the UI.
+func disable_all_input() -> void:
+	# If we aren't part of a tree yet, we sure can't get the tree.
+	if get_tree() == null:
+		return
+
+	get_tree().get_root().set_disable_input(true)
+
+
+# Allows all UI input.
+func enable_all_input() -> void:
+	# If we aren't part of a tree yet, we sure can't get the tree.
+	if get_tree() == null:
+		return
+
+	get_tree().get_root().set_disable_input(false)