Rewrite parts of ClientState (#2065)

- Completely relies on hooks now, instead of the Framework.Update loop
- Support for Logout codes

Dalamud/Plugin/Internal/AutoUpdate/AutoUpdateManager.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 
@@ -89,7 +89,7 @@ internal class AutoUpdateManager : IServiceType
             t =>
             {
                 t.Result.Login += this.OnLogin;
-                t.Result.Logout += this.OnLogout;
+                t.Result.Logout += (int type, int code) => this.OnLogout();
             });
         Service<Framework>.GetAsync().ContinueWith(t => { t.Result.Update += this.OnUpdate; });
         

Dalamud/Plugin/Services/IClientState.cs

@@ -22,6 +22,13 @@ public interface IClientState
     /// <param name="level">The level of the corresponding ClassJob.</param>
     public delegate void LevelChangeDelegate(uint classJobId, uint level);
 
+    /// <summary>
+    /// A delegate type used for the <see cref="Logout"/> event.
+    /// </summary>
+    /// <param name="type">The type of logout.</param>
+    /// <param name="code">The success/failure code.</param>
+    public delegate void LogoutDelegate(int type, int code);
+
     /// <summary>
     /// Event that gets fired when the current Territory changes.
     /// </summary>
@@ -46,7 +53,7 @@ public interface IClientState
     /// <summary>
     /// Event that fires when a character is logging out.
     /// </summary>
-    public event Action Logout;
+    public event LogoutDelegate Logout;
 
     /// <summary>
     /// Event that fires when a character is entering PvP.