diff --git a/Barotrauma/BarotraumaClient/ClientSource/DebugConsole.cs b/Barotrauma/BarotraumaClient/ClientSource/DebugConsole.cs
index f9cfd9f44..62218ed85 100644
--- a/Barotrauma/BarotraumaClient/ClientSource/DebugConsole.cs
+++ b/Barotrauma/BarotraumaClient/ClientSource/DebugConsole.cs
@@ -3097,20 +3097,38 @@ namespace Barotrauma
                 }
             });
 
-            commands.Add(new Command("lua_cl", "lua_cl: runs a string on the client", (string[] args) =>
+            commands.Add(new Command("cl_lua", "lua_cl: runs a string on the client", (string[] args) =>
             {
-                if (GameMain.Client != null)
-                    GameMain.Lua.DoString(string.Join(" ", args));
-                else
-                    ThrowError("Client not connected to any server.");
+                if (GameMain.Client == null)
+                {
+                    ThrowError("Client not connected to a server.");
+                    return;
+                }
+
+                if (!GameMain.Client.HasPermission(ClientPermissions.ConsoleCommands))
+                {
+                    ThrowError("Command not permitted.");
+                    return;
+                }
+
+                GameMain.Lua.DoString(string.Join(" ", args));
             }));
 
-            commands.Add(new Command("reloadlua_cl", "reloads lua on the client", (string[] args) =>
+            commands.Add(new Command("cl_reloadlua", "reloads lua on the client", (string[] args) =>
             {
-                if (GameMain.Client != null)
-                    GameMain.Lua.Initialize();
-                else
-                    ThrowError("Client not connected to any server.");
+                if (GameMain.Client == null)
+                {
+                    ThrowError("Client not connected to a server.");
+                    return;
+                }
+
+                if (!GameMain.Client.HasPermission(ClientPermissions.ConsoleCommands))
+                {
+                    ThrowError("Command not permitted.");
+                    return;
+                }
+
+                GameMain.Lua.Initialize();
             }));
         }
 
diff --git a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaClasses.cs b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaClasses.cs
index e14924cf9..6e88b11d6 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaClasses.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaClasses.cs
@@ -10,6 +10,7 @@ using System.IO;
 using System.Net;
 using System.Linq;
 using System.Xml.Linq;
+using FarseerPhysics.Dynamics;
 
 namespace Barotrauma
 {
@@ -88,6 +89,14 @@ namespace Barotrauma
 				}
 			}
 
+			public World World
+			{
+				get
+				{
+					return GameMain.World;
+				}
+			}
+
 			public void OverrideTraitors(bool o)
 			{
 				overrideTraitors = o;
diff --git a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaCustomConverters.cs b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaCustomConverters.cs
index a48c88daf..6ac7e659f 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaCustomConverters.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaCustomConverters.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Text;
 using MoonSharp.Interpreter;
 using Microsoft.Xna.Framework;
+using FarseerPhysics.Dynamics;
 
 namespace Barotrauma
 {
@@ -17,6 +18,13 @@ namespace Barotrauma
             RegisterAction<Entity>();
             RegisterAction();
 
+
+            Script.GlobalOptions.CustomConverters.SetScriptToClrCustomConversion(DataType.Function, typeof(Func<Fixture, Vector2, Vector2, float, float>), v =>
+            {
+                var function = v.Function;
+                return (Func<Fixture, Vector2, Vector2, float, float>)((Fixture a, Vector2 b, Vector2 c, float d) => new LuaResult(function.Call(a, b, c, d)).Float());
+            });
+
 #if CLIENT
             Script.GlobalOptions.CustomConverters.SetScriptToClrCustomConversion(DataType.Function, typeof(GUIButton.OnClickedHandler), v =>
             {
@@ -39,7 +47,6 @@ namespace Barotrauma
 #endif
         }
 
-
         public static void RegisterAction<T>()
         {
             Script.GlobalOptions.CustomConverters.SetScriptToClrCustomConversion(DataType.Function, typeof(Action<T>), v =>
diff --git a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaSetup.cs b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaSetup.cs
index f7621dda5..8d030911a 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaSetup.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/Lua/LuaSetup.cs
@@ -11,6 +11,7 @@ using System.Diagnostics;
 using System.Linq;
 using MoonSharp.Interpreter.Interop;
 using System.Reflection;
+using FarseerPhysics.Dynamics;
 
 #if CLIENT
 using Microsoft.Xna.Framework.Graphics;
@@ -251,7 +252,7 @@ namespace Barotrauma
 		public void Initialize()
 		{
 			Stop();
-
+			
 			luaSetup = this;
 
 			PrintMessage("Lua! Version " + AssemblyInfo.GitRevision);
@@ -352,6 +353,10 @@ namespace Barotrauma
 			UserData.RegisterType<Skill>();
 			UserData.RegisterType<SkillPrefab>();
 
+			UserData.RegisterType<World>();
+			UserData.RegisterType<Fixture>();
+			UserData.RegisterType(typeof(Physics));
+
 			UserData.RegisterType<Screen>();
 			UserData.RegisterType<GameScreen>();
 			UserData.RegisterType<Camera>();
@@ -462,6 +467,7 @@ namespace Barotrauma
 			lua.Globals["SubmarineInfo"] = UserData.CreateStatic<SubmarineInfo>();
 			lua.Globals["Rectangle"] = UserData.CreateStatic<Rectangle>();
 			lua.Globals["Entity"] = UserData.CreateStatic<Entity>();
+			lua.Globals["Physics"] = UserData.CreateStatic(typeof(Physics));
 
 #if SERVER