Gateway destinations (#21040)

* Gateway generation

* Gateway stuff

* gatewehs

* mercenaries

* play area

* Range fixes and tweaks

* weh

* Gateway UI polish

* Lots of fixes

* Knock some items off

* Fix dungeon spawning

Realistically we should probably be using a salvage job.

* wahwah

* wehvs

* expression

* weh

* eee

* a

* a

* WEH

* frfr

* Gatwey

* Fix gateway windows

* Fix gateway windows

* a

* a

* Better layer masking

* a

* a

* Noise fixes

* a

* Fix fractal calculations

* a

* More fixes

* Fixes

* Add layers back in

* Fixes

* namespaces and ftl

* Other TODO

* Fix distance

* Cleanup

* Fix test

Content.Shared/Teleportation/Systems/SharedPortalSystem.cs

@@ -131,7 +131,7 @@ public abstract class SharedPortalSystem : EntitySystem
                 // if target is a portal, signal that they shouldn't be immediately portaled back
                 var timeout = EnsureComp<PortalTimeoutComponent>(subject);
                 timeout.EnteredPortal = uid;
-                Dirty(timeout);
+                Dirty(subject, timeout);
             }
 
             TeleportEntity(uid, subject, Transform(target).Coordinates, target);
@@ -142,7 +142,8 @@ public abstract class SharedPortalSystem : EntitySystem
             return;
 
         // no linked entity--teleport randomly
-        TeleportRandomly(uid, subject, component);
+        if (component.RandomTeleport)
+            TeleportRandomly(uid, subject, component);
     }
 
     private void OnEndCollide(EntityUid uid, PortalComponent component, ref EndCollideEvent args)