fixed reloadlua breaking __call metamethods, fixed singleplayer crash, added fun things to client-side lua :)

Barotrauma/BarotraumaClient/ClientSource/GameMain.cs

@@ -998,6 +998,8 @@ namespace Barotrauma
 
                 SoundManager?.Update();
 
+                GameMain.Lua.hook.Call("think", new object[] { });
+
                 Timing.Accumulator -= Timing.Step;
 
                 sw.Stop();

Barotrauma/BarotraumaClient/ClientSource/Lua/LuaClasses.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Barotrauma.Networking;
+
+namespace Barotrauma
+{
+	partial class LuaSetup
+	{
+		public class LuaGUI
+		{
+			LuaSetup env;
+			public LuaGUI(LuaSetup _env)
+			{
+				env = _env;
+			}
+
+			public ChatBox ChatBox
+			{
+				get
+				{
+					return GameMain.Client.ChatBox;
+				}
+			}
+		}
+	}
+}

Barotrauma/BarotraumaClient/ClientSource/Networking/GameClient.cs

@@ -2805,6 +2805,10 @@ namespace Barotrauma.Networking
 
         public override void AddChatMessage(ChatMessage message)
         {
+            var should = new LuaResult(GameMain.Lua.hook.Call("chatMessage", new object[] { message.Text, message.SenderClient, message.Type, message }));
+
+            if (should.Bool()) return;
+
             base.AddChatMessage(message);
 
             if (string.IsNullOrEmpty(message.Text)) { return; }