Add ignorelast session support for hosts (#519)

Author: Bishbash777

Torch.API/ITorchBase.cs

@@ -117,7 +117,7 @@ public interface ITorchBase
         /// <summary>
         /// Initialize the Torch instance.  Before this <see cref="Start"/> is invalid.
         /// </summary>
-        void Init();
+        void Init(bool ignorelastsession = false);
 
         /// <summary>
         /// Disposes the Torch instance.  After this <see cref="Start"/> is invalid.

Torch.Server/Initializer.cs

@@ -132,13 +132,13 @@ public bool Initialize(string[] args)
             return true;
         }
 
-        public void Run()
+        public void Run(bool ignorelastsession = false)
         {
             _server = new TorchServer(Config);
 
             if (Config.NoGui)
             {
-                _server.Init();
+                _server.Init(ignorelastsession);
                 _server.Start();
             }
             else
@@ -153,7 +153,7 @@ public void Run()
 
                 var gameThread = new Thread(() =>
                 {
-                    _server.Init();
+                    _server.Init(ignorelastsession);
 
                     if (Config.Autostart || Config.TempAutostart)
                     {

Torch.Server/Program.cs

@@ -73,7 +73,9 @@ public static void Main(string[] args)
                 if (!initializer.Initialize(args))
                     return;
 
-                initializer.Run();
+                
+
+                initializer.Run(args.Contains("-ignorelastsession"));
             } catch (Exception runException)
             {
                 var log = LogManager.GetCurrentClassLogger();

Torch.Server/TorchServer.cs

@@ -138,11 +138,11 @@ public float SimulationRatio
         public int OnlinePlayers { get => _players; private set => SetValue(ref _players, value); }
 
         /// <inheritdoc />
-        public override void Init()
+        public override void Init(bool ignorelastsession)
         {
             Log.Info("Initializing server");
             MySandboxGame.IsDedicated = true;
-            base.Init();
+            base.Init(ignorelastsession);
             Managers.GetManager<ITorchSessionManager>().SessionStateChanged += OnSessionStateChanged;
             GetManager<InstanceManager>().LoadInstance(Config.InstancePath);
             CanRun = true;

Torch/TorchBase.cs

@@ -306,7 +306,7 @@ public Task InvokeAsync(Action action, [CallerMemberName] string caller = "")
         protected abstract string SteamAppName { get; }
 
         /// <inheritdoc />
-        public virtual void Init()
+        public virtual void Init(bool ignoreLastSession)
         {
             Debug.Assert(!_init, "Torch instance is already initialized.");
             SpaceEngineersGame.SetupBasicGameInfo();
@@ -336,6 +336,11 @@ public virtual void Init()
             Log.Info($"Executing directory: {AppDomain.CurrentDomain.BaseDirectory}");
 
             Managers.GetManager<PluginManager>().LoadPlugins();
+            
+            //if ignoreLastSession is true, add -ignorelastsession to the command line args
+            if (ignoreLastSession)
+                RunArgs = new[] {"-ignorelastsession"};
+
             Game = new VRageGame(this, TweakGameSettings, SteamAppName, SteamAppId, Config.InstancePath, RunArgs);
             if (!Game.WaitFor(VRageGame.GameState.Stopped))
                 Log.Warn("Failed to wait for game to be initialized");