fix: Enforce rooms to be located at (0,0) (#576)

Co-authored-by: Balloonpopper <balloonpopper@git.com>

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

@@ -178,6 +178,17 @@ func init_room(room: ESCRoom) -> void:
 		if escoria.main.current_scene == null:
 			escoria.main.set_scene(room)
 
+	# If the room node isn't at (0,0), the walk_stop function will offset the 
+	# player by the same number of pixels when they're at the terrain edge and
+	# move them when it shouldn't.
+	if room.position != Vector2(0,0):
+		escoria.logger.report_errors(
+		"ESCRoomManager.init_room: Room node not at (0,0)",
+		[
+			"The room node's coordinates must be (0,0) instead of %s." % room.position
+		]
+	)
+
 	_perform_script_events(room)
 
 

game/rooms/room02/room02.tscn

@@ -185,7 +185,6 @@ tracks/3/keys = {
 [sub_resource type="CapsuleShape2D" id=8]
 
 [node name="room2" type="Node2D"]
-position = Vector2( -2, 0 )
 script = ExtResource( 6 )
 global_id = "room2"
 esc_script = "res://game/rooms/room02/esc/room02_bridge.esc"