make sure every module is accessible

Assets/Escape Room Engine/Engine/Scripts/Modules/Module.cs

@@ -74,6 +74,24 @@ namespace Escape_Room_Engine.Engine.Scripts.Modules
             Logger.Log($"{this} has been placed at {srPosition} (SR)", LogType.ModulePlacement);
         }
 
+        /// <summary>
+        /// Convert a position relative to this module to one relative to its space.
+        /// <example>The module relative position <c>(0, 1)</c> should always be in front of the module, wherever it faces.</example>
+        /// </summary>
+        /// <param name="mrPosition">The module relative (<i>MR</i>) position that should be converted to a space relative (<i>SR</i>) position.</param>
+        /// <returns></returns>
+        internal Vector2Int ToSpaceRelative(Vector2Int mrPosition)
+        {
+            return srDimensions.Position + orientation switch
+            {
+                Orientation.North => mrPosition,
+                Orientation.East => new Vector2Int(mrPosition.y, -mrPosition.x),
+                Orientation.South => -mrPosition,
+                Orientation.West => new Vector2Int(-mrPosition.y, mrPosition.x),
+                _ => throw new ArgumentOutOfRangeException()
+            };
+        }
+
         internal void InstantiateModule(Transform parent)
         {
             _moduleObject = new GameObject(ToString());