Restrict Flockmind rift placement

code/datums/abilities/flock/flockmind.dm

@@ -57,10 +57,39 @@
 
 /datum/targetable/flockmindAbility/spawnEgg/cast(atom/target)
  if(..())
- return 1
+ return TRUE
+
  var/mob/living/intangible/flock/flockmind/F = holder.owner
- if(F)
- F.spawnEgg()
+
+ var/turf/T = get_turf(F)
+
+ if (istype(T, /turf/space/) || istype(T.loc, /area/station/solar) || istype(T.loc, /area/station/mining/magnet))
+ boutput(F, "<span class='alert'>Space and exposed areas are unsuitable for rift placement!</span>")
+ return TRUE
+
+ if (!isadmin(F))
+ if(IS_ARRIVALS(T.loc))
+ boutput(F, "<spawn class='alert'>Your rift can't be placed inside arrivals!</span>")
+ return TRUE
+
+ if (!istype(T.loc, /area/station/))
+ boutput(F, "<spawn class='alert'>Your rift needs to be placed on the [station_or_ship()]!</span>")
+ return TRUE
+
+ if (istype(T, /turf/unsimulated/))
+ boutput(F, "<span class='alert'>This kind of tile cannot support rift placement.</span>")
+ return TRUE
+
+ if (T.density)
+ boutput(F, "<span class='alert'>Your rift cannot be placed inside a wall!</span>")
+ return TRUE
+
+ for (var/atom/O in T.contents)
+ if (O.density)
+ boutput(F, "<span class='alert'>That tile is blocked by [O].</span>")
+ return TRUE
+
+ F.spawnEgg()
 
 /////////////////////////////////////////