Disable load context on server ContentStart.

Robust.Client/GameController/GameController.Standalone.cs

@@ -48,6 +48,10 @@ namespace Robust.Client
 
             var gc = (GameController) IoCManager.Resolve<IGameController>();
             gc.SetCommandLineArgs(args);
+
+            // When the game is ran with the startup executable being content,
+            // we have to disable the separate load context.
+            // Otherwise the content assemblies will be loaded twice which causes *many* fun bugs.
             gc._disableAssemblyLoadContext = contentStart;
             if (!gc.Startup())
             {

Robust.Server/BaseServer.cs

@@ -199,6 +199,8 @@ namespace Robust.Server
             _resources.MountContentDirectory($@"{contentRootDir}Resources/");
 #endif
 
+            _modLoader.SetUseLoadContext(!DisableLoadContext);
+
             //identical code in game controller for client
             if (!_modLoader.TryLoadAssembly<GameShared>(_resources, $"Content.Shared"))
             {
@@ -292,6 +294,8 @@ namespace Robust.Server
             _shutdownEvent.Set();
         }
 
+        public bool DisableLoadContext { private get; set; }
+
         public void OverrideMainLoop(IGameLoop gameLoop)
         {
             _mainLoop = gameLoop;

Robust.Server/ContentStart.cs

@@ -7,7 +7,7 @@ namespace Robust.Server
 #if FULL_RELEASE
             throw new System.InvalidOperationException("ContentStart is not available on a full release.");
 #else
-            Program.Main(args);
+            Program.Start(args, true);
 #endif
         }
     }

Robust.Server/Interfaces/IBaseServer.cs

@@ -44,6 +44,8 @@ namespace Robust.Server.Interfaces
 
     internal interface IBaseServerInternal : IBaseServer
     {
+        bool DisableLoadContext { set; }
+
         void OverrideMainLoop(IGameLoop gameLoop);
 
         void SetCommandLineArgs(CommandLineArgs args);

Robust.Server/Program.cs

@@ -20,7 +20,7 @@ namespace Robust.Server
             Start(args);
         }
 
-        internal static void Start(string[] args)
+        internal static void Start(string[] args, bool contentStart=false)
         {
             if (_hasStarted)
             {
@@ -31,11 +31,11 @@ namespace Robust.Server
 
             if (CommandLineArgs.TryParse(args, out var parsed))
             {
-                ParsedMain(parsed);
+                ParsedMain(parsed, contentStart);
             }
         }
 
-        private static void ParsedMain(CommandLineArgs args)
+        private static void ParsedMain(CommandLineArgs args, bool contentStart)
         {
             IoCManager.InitThread();
             ServerIoC.RegisterIoC();
@@ -45,6 +45,10 @@ namespace Robust.Server
 
             var server = IoCManager.Resolve<IBaseServerInternal>();
 
+            // When the game is ran with the startup executable being content,
+            // we have to disable the separate load context.
+            // Otherwise the content assemblies will be loaded twice which causes *many* fun bugs.
+            server.DisableLoadContext = contentStart;
             server.SetCommandLineArgs(args);
 
             Logger.Info("Server -> Starting");