Put Licentia Parts back in, but commented out so I dont forget

Source/Common/Helpers/MapUtility.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Verse;
+
+namespace RJW_Genes
+{
+    public class MapUtility
+    {
+        /// <summary>
+        /// Checks if the pawn is on the players home map. 
+        /// 
+        /// Reason is that drones should only be punished for absence of queen if they are on the map and there is no queen.
+        /// If they are on a mission, transport-pod etc. they should not get boni or mali. 
+        /// </summary>
+        /// <param name="pawn">The pawn for which to check map-presence.</param>
+        /// <returns>True if the pawn is on the home-map, False otherwise.</returns>
+        public static bool PawnIsOnHomeMap(Pawn pawn)
+        {
+            if (Find.Maps.NullOrEmpty() || !Find.Maps.Where(mapCandidate => mapCandidate.IsPlayerHome).Any())
+            {
+                return false;
+            }
+            Map homeMap = Find.Maps.Where(mapCandidate => mapCandidate.IsPlayerHome).First();
+            return
+                homeMap != null && pawn != null
+                && pawn.Spawned
+                && pawn.Map == homeMap;
+        }
+
+    }
+}