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/Gateway/GatewayUi.cs

@@ -1,4 +1,5 @@
 using Robust.Shared.Serialization;
+using Robust.Shared.Utility;
 
 namespace Content.Shared.Gateway;
 
@@ -26,7 +27,7 @@ public sealed class GatewayBoundUserInterfaceState : BoundUserInterfaceState
     /// <summary>
     /// List of enabled destinations and information about them.
     /// </summary>
-    public readonly List<(NetEntity, string, TimeSpan, bool)> Destinations;
+    public readonly List<GatewayDestinationData> Destinations;
 
     /// <summary>
     /// Which destination it is currently linked to, if any.
@@ -34,25 +35,52 @@ public sealed class GatewayBoundUserInterfaceState : BoundUserInterfaceState
     public readonly NetEntity? Current;
 
     /// <summary>
-    /// Time the portal will close at.
+    /// Next time the portal is ready to be used.
     /// </summary>
-    public readonly TimeSpan NextClose;
+    public readonly TimeSpan NextReady;
+
+    public readonly TimeSpan Cooldown;
 
     /// <summary>
-    /// Time the portal last opened at.
+    /// Next time the destination generator unlocks another destination.
     /// </summary>
-    public readonly TimeSpan LastOpen;
+    public readonly TimeSpan NextUnlock;
 
-    public GatewayBoundUserInterfaceState(List<(NetEntity, string, TimeSpan, bool)> destinations,
-        NetEntity? current, TimeSpan nextClose, TimeSpan lastOpen)
+    /// <summary>
+    /// How long an unlock takes.
+    /// </summary>
+    public readonly TimeSpan UnlockTime;
+
+    public GatewayBoundUserInterfaceState(List<GatewayDestinationData> destinations,
+        NetEntity? current, TimeSpan nextReady, TimeSpan cooldown, TimeSpan nextUnlock, TimeSpan unlockTime)
     {
         Destinations = destinations;
         Current = current;
-        NextClose = nextClose;
-        LastOpen = lastOpen;
+        NextReady = nextReady;
+        Cooldown = cooldown;
+        NextUnlock = nextUnlock;
+        UnlockTime = unlockTime;
     }
 }
 
+[Serializable, NetSerializable]
+public record struct GatewayDestinationData
+{
+    public NetEntity Entity;
+
+    public FormattedMessage Name;
+
+    /// <summary>
+    /// Is the portal currently open.
+    /// </summary>
+    public bool Portal;
+
+    /// <summary>
+    /// Is the map the gateway on locked or unlocked.
+    /// </summary>
+    public bool Locked;
+}
+
 [Serializable, NetSerializable]
 public sealed class GatewayOpenPortalMessage : BoundUserInterfaceMessage
 {

Content.Shared/Gateway/SharedGatewayGeneratorSystem.cs

@@ -0,0 +1,12 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Gateway;
+
+/// <summary>
+/// Sent from client to server upon taking a gateway destination.
+/// </summary>
+[Serializable, NetSerializable]
+public sealed class GatewayDestinationMessage : EntityEventArgs
+{
+    public int Index;
+}