Allow stations to specify their own custom emergency shuttles. (#12747)

* Allow individual stations to specify a custom emergency shuttle.

* Use better assert message.

Content.IntegrationTests/Tests/PostMapInitTest.cs

@@ -221,9 +221,10 @@ namespace Content.IntegrationTests.Tests
                 // Test shuttle can dock.
                 // This is done inside gamemap test because loading the map takes ages and we already have it.
                 var station = entManager.GetComponent<StationMemberComponent>(targetGrid!.Value).Station;
-                var shuttlePath = entManager.GetComponent<StationDataComponent>(station).EmergencyShuttlePath
+                var stationConfig = entManager.GetComponent<StationDataComponent>(station).StationConfig;
-                    .ToString();
+                Assert.IsNotNull(stationConfig, $"{entManager.ToPrettyString(station)} had null StationConfig.");
-                var shuttle = mapLoader.LoadGrid(shuttleMap, entManager.GetComponent<StationDataComponent>(station).EmergencyShuttlePath.ToString());
+                var shuttlePath = stationConfig.EmergencyShuttlePath.ToString();
+                var shuttle = mapLoader.LoadGrid(shuttleMap, shuttlePath);
                 Assert.That(shuttle != null && shuttleSystem.TryFTLDock(entManager.GetComponent<ShuttleComponent>(shuttle.Value), targetGrid.Value), $"Unable to dock {shuttlePath} to {mapProto}");
 
                 mapManager.DeleteMap(shuttleMap);

Content.Server/Shuttles/Systems/ShuttleSystem.EmergencyShuttle.cs

@@ -426,10 +426,17 @@ public sealed partial class ShuttleSystem
 
    private void AddEmergencyShuttle(StationDataComponent component)
    {
-       if (!_emergencyShuttleEnabled || CentComMap == null || component.EmergencyShuttle != null) return;
+       if (!_emergencyShuttleEnabled
+           || CentComMap == null
+           || component.EmergencyShuttle != null
+           || component.StationConfig == null)
+       {
+           return;
+       }
 
        // Load escape shuttle
-       var shuttle = _map.LoadGrid(CentComMap.Value, component.EmergencyShuttlePath.ToString(), new MapLoadOptions()
+       var shuttlePath = component.StationConfig.EmergencyShuttlePath;
+       var shuttle = _map.LoadGrid(CentComMap.Value, shuttlePath.ToString(), new MapLoadOptions()
        {
            // Should be far enough... right? I'm too lazy to bounds check CentCom rn.
            Offset = new Vector2(500f + _shuttleIndex, 0f)
@@ -437,7 +444,7 @@ public sealed partial class ShuttleSystem
 
        if (shuttle == null)
        {
-           _sawmill.Error($"Unable to spawn emergency shuttle {component.EmergencyShuttlePath} for {ToPrettyString(component.Owner)}");
+           _sawmill.Error($"Unable to spawn emergency shuttle {shuttlePath} for {ToPrettyString(component.Owner)}");
            return;
        }
 

Content.Server/Station/Components/StationDataComponent.cs

@@ -1,6 +1,5 @@
 using Content.Server.Shuttles.Systems;
 using Content.Server.Station.Systems;
-using Robust.Shared.Utility;
 
 namespace Content.Server.Station.Components;
 
@@ -31,10 +30,4 @@ public sealed class StationDataComponent : Component
     /// </summary>
     [ViewVariables, Access(typeof(ShuttleSystem), Friend = AccessPermissions.ReadWrite)]
     public EntityUid? EmergencyShuttle;
-
-    /// <summary>
-    /// Emergency shuttle map path for this station.
-    /// </summary>
-    [ViewVariables(VVAccess.ReadWrite), Access(typeof(ShuttleSystem), Other = AccessPermissions.ReadWriteExecute)]
-    public ResourcePath EmergencyShuttlePath = new("/Maps/Shuttles/emergency.yml");
 }

Content.Server/Station/StationConfig.Shuttles.cs

@@ -0,0 +1,13 @@
+using Robust.Shared.Utility;
+using Robust.Shared.Serialization.TypeSerializers.Implementations;
+
+namespace Content.Server.Station;
+
+public sealed partial class StationConfig
+{
+    /// <summary>
+    /// Emergency shuttle map path for this station.
+    /// </summary>
+    [DataField("emergencyShuttlePath", customTypeSerializer: typeof(ResourcePathSerializer))]
+    public ResourcePath EmergencyShuttlePath { get; set; } = new("/Maps/Shuttles/emergency.yml");
+}