initial work for 13

.gitignore

@@ -396,4 +396,3 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
-/TweaksAndThings/Commands/EchoCommand.cs

TweaksAndThings.sln

@@ -5,6 +5,7 @@ VisualStudioVersion = 17.4.33122.133
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{452A23A6-81C8-49C6-A7EE-95FD9377F896}"
 	ProjectSection(SolutionItems) = preProject
+		.gitignore = .gitignore
 		Directory.Build.props = Directory.Build.props
 		Directory.Build.targets = Directory.Build.targets
 		Paths.user = Paths.user

TweaksAndThings/Commands/CrewUpdateCommand.cs

@@ -0,0 +1,44 @@
+using Game.State;
+using Helpers;
+using Model.OpsNew;
+using Network;
+using RMROC451.TweaksAndThings.Extensions;
+using System.Linq;
+using UI.Console;
+
+namespace RMROC451.TweaksAndThings.Commands;
+
+[ConsoleCommand("/cu", "generate a formatted message about a locomotive's status.")]
+public class EchoCommand : IConsoleCommand
+{
+    public string Execute(string[] comps)
+    {
+        if (comps.Length < 4)
+        {
+            return "Usage: /cu <car>|. +|- <message>";
+        }
+
+        string query = comps[1];
+        Model.Car car = query == "." ? TrainController.Shared.SelectedLocomotive : TrainController.Shared.CarForString(query);
+
+        if (car.DetermineFuelCar() == null)
+        {
+            return "Car not found.";
+        }
+        string message = string.Join(" ", comps.Skip(3)).Truncate(512);
+
+        switch (comps[2])
+        {
+            case "+":
+                break;
+            case "-":
+                break;
+            default:
+                return "+ to include area or - to leave it out";
+        }
+
+        if (comps[2] == "+") message += $" {OpsController.Shared.ClosestArea(car)?.name ?? "???"}";
+            Multiplayer.Broadcast($"{StateManager.Shared._playersManager.LocalPlayer} {Hyperlink.To(car)}: \"{message}\"");
+        return string.Empty;
+    }
+}

TweaksAndThings/Extensions/Car_Extensions.cs

@@ -24,6 +24,7 @@ namespace RMROC451.TweaksAndThings.Extensions
 
         public static Car? DetermineFuelCar(this Car engine, bool returnEngineIfNull = false)
         {
+            if (engine == null) return null;
             Car? car;
             if (engine is SteamLocomotive steamLocomotive && new Func<Car>(steamLocomotive.FuelCar) != null)
             {

TweaksAndThings/TweaksAndThings.cs

@@ -11,6 +11,7 @@ using System.Net.Http;
 using UI.Builder;
 
 using RMROC451.TweaksAndThings.Enums;
+using RMROC451.TweaksAndThings.Commands;
 
 namespace RMROC451.TweaksAndThings;
 
@@ -45,7 +46,7 @@ public class TweaksAndThings : SingletonPluginBase<TweaksAndThings>, IUpdateHand
 
         logger.Information("Hello! Constructor was called for {modId}/{modVersion}!", self.Id, self.Version);
 
-        //moddingContext.RegisterConsoleCommand(new EchoCommand());
+        moddingContext.RegisterConsoleCommand(new EchoCommand());
 
         settings = moddingContext.LoadSettingsData<Settings>(self.Id);
     }