Re-enabled the lua type filter again

Barotrauma/BarotraumaShared/Lua/PostSetup.lua

@@ -0,0 +1,52 @@
+if CSActive then
+    return
+end
+
+local function IsAllowed(typeName)
+    if string.startsWith(typeName, "Barotrauma.Lua") or string.startsWith(typeName, "Barotrauma.Cs") or string.startsWith(typeName, "Barotrauma.LuaCs") then
+        return false
+    end
+
+    if string.startsWith(typeName, "System.Collections") then return true end
+
+    if string.startsWith(typeName, "Microsoft.Xna") then return true end
+
+    if string.startsWith(typeName, "Barotrauma.IO") then return false end
+
+    if string.startsWith(typeName, "Barotrauma.ToolBox") then return false end
+    if string.startsWith(typeName, "Barotrauma.SaveUtil") then return false end
+
+    if string.startsWith(typeName, "Barotrauma.") then return true end
+
+    return false
+end
+
+local originalRegisterType = LuaUserData.RegisterType
+LuaUserData.RegisterType = function (typeName)
+    if not IsAllowed(typeName) then
+        error("Couldn't register type " .. typeName .. ".", 2)
+    end
+
+    local success, result = pcall(originalRegisterType, typeName)
+
+	if not success then
+		error(result, 2)
+	end
+
+    return result
+end
+
+local originalCreateStatic = LuaUserData.CreateStatic
+LuaUserData.CreateStatic = function (typeName, addCallMethod)
+    if not IsAllowed(typeName) then
+        error("Couldn't register type " .. typeName .. ".", 2)
+    end
+
+    local success, result = pcall(originalCreateStatic, typeName, addCallMethod)
+
+	if not success then
+		error(result, 2)
+	end
+
+    return result
+end