Add arrivals (#14755)

* Arrivals

* More arrivals and shitty uhh preload

* cvar

* a

* clockin + maps

* shitter prevention

* Placement

* a

* cvar for tests and dev

* weh

Content.Shared/CCVar/CCVars.cs

@@ -1055,6 +1055,30 @@ namespace Content.Shared.CCVar
         public static readonly CVarDef<bool> CameraRotationLocked =
             CVarDef.Create("shuttle.camera_rotation_locked", false, CVar.REPLICATED);
 
+        /// <summary>
+        /// Whether the arrivals shuttle is enabled.
+        /// </summary>
+        public static readonly CVarDef<bool> ArrivalsShuttles =
+            CVarDef.Create("shuttle.arrivals", true, CVar.SERVERONLY);
+
+        /// <summary>
+        /// The map to use for the arrivals station.
+        /// </summary>
+        public static readonly CVarDef<ResourcePath> ArrivalsMap =
+            CVarDef.Create("shuttle.arrivals_map", new ResourcePath("/Maps/Misc/terminal.yml"), CVar.SERVERONLY);
+
+        /// <summary>
+        /// Cooldown between arrivals departures. This should be longer than the FTL time or it will double cycle.
+        /// </summary>
+        public static readonly CVarDef<float> ArrivalsCooldown =
+            CVarDef.Create("shuttle.arrivals_cooldown", 90f, CVar.SERVERONLY);
+
+        /// <summary>
+        /// Are players allowed to return on the arrivals shuttle.
+        /// </summary>
+        public static readonly CVarDef<bool> ArrivalsReturns =
+            CVarDef.Create("shuttle.arrivals_returns", false, CVar.SERVERONLY);
+
         /// <summary>
         /// Whether cargo shuttles are enabled.
         /// </summary>