fix: allows for proper reloading of all globals (reserved or otherwise); also now properly saves reserved objects; plus a couple small guards to correct issues while quitting after loading games in certain conditions

addons/escoria-core/game/core-scripts/esc/commands/set_global.gd

@@ -1,4 +1,4 @@
-# `set_global name value`
+# `set_global name value [ignore_reserved=false]`
 #
 # Changes the value of a global.
 #
@@ -7,6 +7,9 @@
 # - *name*: Name of the global
 # - *value*: Value to set the global to (can be of type string, boolean, integer
 #   or float)
+# - *force*: if false, setting a global whose name is reserved will
+#   trigger an error. Defaults to false. Reserved globals are: ESC_LAST_SCENE, 
+#   FORCE_LAST_SCENE_NULL, ANIMATION_RESOURCES, ESC_CURRENT_SCENE
 #
 # @ESC
 extends ESCBaseCommand
@@ -17,12 +20,16 @@ class_name SetGlobalCommand
 func configure() -> ESCCommandArgumentDescriptor:
 	return ESCCommandArgumentDescriptor.new(
 		2,
-		[TYPE_STRING, [TYPE_INT, TYPE_BOOL, TYPE_STRING]],
+		[TYPE_STRING, [TYPE_INT, TYPE_BOOL, TYPE_STRING], TYPE_BOOL],
-		[null, null]
+		[null, null, false]
 	)
 
 
 # Run the command
 func run(command_params: Array) -> int:
-	escoria.globals_manager.set_global(command_params[0], command_params[1])
+	escoria.globals_manager.set_global(
+		command_params[0],
+		command_params[1],
+		command_params[2]
+	)
 	return ESCExecution.RC_OK

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

@@ -344,8 +344,9 @@ func unregister_object(object: ESCObject, room_key: ESCRoomObjectsKey) -> void:
 	if escoria.inventory_manager.inventory_has(object.global_id):
 		# Re-instance the node if it is an item present in inventory; that is,
 		# re-register it with the new current room.
+		if object.node != null:
 			object.node = object.node.duplicate()
-		register_object(object, null)
+			register_object(object, null, true)
 
 	room_objects.erase(object.global_id)
 
@@ -389,6 +390,15 @@ func save_game(p_savegame: ESCSaveGame) -> void:
 		p_savegame.objects[obj_global_id] = \
 			objects[obj_global_id].get_save_data()
 
+	# Add in reserved objects, too.
+	objects = reserved_objects_container.objects
+
+	for obj_global_id in objects:
+		if not objects[obj_global_id] is ESCObject:
+			continue
+		p_savegame.objects[obj_global_id] = \
+			objects[obj_global_id].get_save_data()
+
 
 func get_start_location() -> ESCLocation:
 	if _room_exists(current_room_key):

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

@@ -62,8 +62,7 @@ func change_scene(room_path: String, enable_automatic_transitions: bool) -> void
 	# This must happen if ESC_LAST_SCENE is set, or if we're running an
 	# exit_scene event. Also room selector actions require the transition.
 	if enable_automatic_transitions and (
-		not escoria.globals_manager.get_global( \
+		not escoria.globals_manager.get_global(GLOBAL_LAST_SCENE).empty()
-			GLOBAL_LAST_SCENE).empty()
 		or (
 			escoria.event_manager.get_running_event(escoria.event_manager.CHANNEL_FRONT) != null \
 			and escoria.event_manager.get_running_event(escoria.event_manager.CHANNEL_FRONT).name \

addons/escoria-core/game/core-scripts/save_data/esc_save_manager.gd

@@ -293,13 +293,20 @@ func load_game(id: int):
 
 	## GLOBALS
 	for k in save_game.globals.keys():
-		ESCCommand.new("%s %s %s" %
+		var global_value = save_game.globals[k]
+		
+		if global_value is String and global_value.empty():
+			global_value = "''"
+
+		load_statements.append(
+			ESCCommand.new("%s %s %s true" %
 				[
 					_set_global.get_command_name(),
 					k,
-				save_game.globals[k]
+					global_value
 				]
 			)
+		)
 
 	## OBJECTS
 	for object_global_id in save_game.objects.keys():

addons/escoria-core/game/escoria.gd

@@ -226,7 +226,11 @@ func set_game_paused(p_paused: bool):
 		emit_signal("paused")
 	else:
 		emit_signal("resumed")
-	get_tree().paused = p_paused
+		
+	var scene_tree = get_tree()
+	
+	if is_instance_valid(scene_tree):
+		scene_tree.paused = p_paused
 
 
 # Runs the event "event_name" from the "script" ESC script.