diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec528b12..2161138c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake;${CMAKE_MODULE_PATH}")
 # find needed packages
 SET(Boost_USE_STATIC_LIBS ON)
 SET(Boost_USE_MULTITHREADED OFF)
-FIND_PACKAGE(Boost COMPONENTS system signals REQUIRED)
+FIND_PACKAGE(Boost COMPONENTS system REQUIRED)
 FIND_PACKAGE(OpenGL REQUIRED)
 FIND_PACKAGE(Lua REQUIRED)
 FIND_PACKAGE(PhysFS REQUIRED)
@@ -56,7 +56,7 @@ SET(SOURCES
     src/framework/core/configs.cpp
     src/framework/core/resources.cpp
     src/framework/core/engine.cpp
-    src/framework/core/modules.cpp
+    src/framework/core/packages.cpp
 
 # framework otml
     src/framework/otml/otmlemitter.cpp
@@ -64,9 +64,13 @@ SET(SOURCES
     src/framework/otml/otmlnode.cpp
 
 # framework script
-    src/framework/script/scriptobject.cpp
-    src/framework/script/scriptcontext.cpp
-    src/framework/script/scriptfunctions.cpp
+    src/framework/script/luastate.cpp
+    src/framework/script/luavalue.cpp
+    src/framework/script/luaobject.cpp
+    src/framework/script/luainterface.cpp
+    src/framework/script/luafunctions.cpp
+    src/framework/script/luaexception.cpp
+    src/framework/script/luavaluecasts.cpp
 
 # framework utilities
     src/framework/util/color.cpp
@@ -125,7 +129,7 @@ IF(WIN32)
     ADD_DEFINITIONS(-DWIN32_NO_CONSOLE)
 ELSE(WIN32)
     SET(SOURCES ${SOURCES} src/framework/platform/x11platform.cpp)
-    ADD_DEFINITIONS(-D_DEBUG_MEMORY)
+    #ADD_DEFINITIONS(-D_DEBUG_MEMORY)
     SET(ADDITIONAL_LIBRARIES pthread GLU)
 ENDIF(WIN32)
 
diff --git a/data/fonts/helvetica-11px-bold.otml b/data/fonts/helvetica-11px-bold.otml
new file mode 100644
index 00000000..e69e35cf
--- /dev/null
+++ b/data/fonts/helvetica-11px-bold.otml
@@ -0,0 +1,10 @@
+glyph-height: 14
+glyph-spacing: [1, 1]
+top-margin: 2
+image: helvetica-11px-bold.png
+image-glyph-size: [16, 16]
+
+glyph-widths:
+  32: 4
+  65: 8
+
diff --git a/data/fonts/helvetica-11px-bold.png b/data/fonts/helvetica-11px-bold.png
new file mode 100644
index 00000000..3c334571
Binary files /dev/null and b/data/fonts/helvetica-11px-bold.png differ
diff --git a/data/fonts/helvetica-11px.otml b/data/fonts/helvetica-11px.otml
new file mode 100644
index 00000000..b4f04e1b
--- /dev/null
+++ b/data/fonts/helvetica-11px.otml
@@ -0,0 +1,9 @@
+glyph-height: 14
+glyph-spacing: [1, 1]
+top-margin: 1
+image: helvetica-11px.png
+image-glyph-size: [16, 16]
+
+glyph-widths:
+  32: 4
+
diff --git a/data/fonts/helvetica-11px.png b/data/fonts/helvetica-11px.png
new file mode 100644
index 00000000..3f716a7f
Binary files /dev/null and b/data/fonts/helvetica-11px.png differ
diff --git a/data/fonts/helvetica-12px-bold.otml b/data/fonts/helvetica-12px-bold.otml
new file mode 100644
index 00000000..925e0826
--- /dev/null
+++ b/data/fonts/helvetica-12px-bold.otml
@@ -0,0 +1,10 @@
+glyph-height: 16
+glyph-spacing: [1, 1]
+top-margin: 2
+image: helvetica-12px-bold.png
+image-glyph-size: [18, 18]
+
+glyph-widths:
+  32: 4
+  65: 9
+
diff --git a/data/fonts/helvetica-12px-bold.png b/data/fonts/helvetica-12px-bold.png
new file mode 100644
index 00000000..9db4920b
Binary files /dev/null and b/data/fonts/helvetica-12px-bold.png differ
diff --git a/data/fonts/helvetica-12px.otml b/data/fonts/helvetica-12px.otml
new file mode 100644
index 00000000..8ec0b6db
--- /dev/null
+++ b/data/fonts/helvetica-12px.otml
@@ -0,0 +1,9 @@
+glyph-height: 15
+glyph-spacing: [1, 1]
+top-margin: 1
+image: helvetica-12px.png
+image-glyph-size: [16, 16]
+
+glyph-widths:
+  32: 4
+  65: 8
diff --git a/data/fonts/helvetica-12px.png b/data/fonts/helvetica-12px.png
new file mode 100644
index 00000000..079da8f7
Binary files /dev/null and b/data/fonts/helvetica-12px.png differ
diff --git a/data/fonts/helvetica-14px-bold.otml b/data/fonts/helvetica-14px-bold.otml
new file mode 100644
index 00000000..737ec8af
--- /dev/null
+++ b/data/fonts/helvetica-14px-bold.otml
@@ -0,0 +1,10 @@
+glyph-height: 16
+glyph-spacing: [1, 1]
+top-margin: 2
+image: helvetica-14px-bold.png
+image-glyph-size: [20, 20]
+
+glyph-widths:
+  32: 4
+  65: 9
+
diff --git a/data/fonts/helvetica-14px-bold.png b/data/fonts/helvetica-14px-bold.png
new file mode 100644
index 00000000..c89524f3
Binary files /dev/null and b/data/fonts/helvetica-14px-bold.png differ
diff --git a/data/fonts/sans-11px-bold.otml b/data/fonts/sans-11px-bold.otml
deleted file mode 100644
index 53fd72e0..00000000
--- a/data/fonts/sans-11px-bold.otml
+++ /dev/null
@@ -1,8 +0,0 @@
-glyph height: 14
-glyph spacing: [0, 1]
-top margin: 0
-image: sans-11px-bold.png
-image glyph size: [16, 16]
-
-glyph widths:
-  32: 4
diff --git a/data/fonts/sans-11px-bold.png b/data/fonts/sans-11px-bold.png
deleted file mode 100644
index 435d0182..00000000
Binary files a/data/fonts/sans-11px-bold.png and /dev/null differ
diff --git a/data/fonts/sans-11px.png b/data/fonts/sans-11px.png
deleted file mode 100644
index b98b1d6e..00000000
Binary files a/data/fonts/sans-11px.png and /dev/null differ
diff --git a/data/fonts/sans-11px.yml b/data/fonts/sans-11px.yml
deleted file mode 100644
index ea6dfe4c..00000000
--- a/data/fonts/sans-11px.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-glyph height: 14
-glyph spacing: [0, 1]
-top margin: 0
-image: sans-11px.png
-image glyph size: [16, 16]
-
-glyph widths:
-  32: 4
diff --git a/data/fonts/sans-12px-bold.otml b/data/fonts/sans-12px-bold.otml
deleted file mode 100644
index 59634586..00000000
--- a/data/fonts/sans-12px-bold.otml
+++ /dev/null
@@ -1,8 +0,0 @@
-glyph height: 14
-glyph spacing: [0, 1]
-top margin: 0
-image: sans-12px-bold.png
-image glyph size: [20, 16]
-
-glyph widths:
-  32: 4
diff --git a/data/fonts/sans-12px-bold.png b/data/fonts/sans-12px-bold.png
deleted file mode 100644
index b5013c50..00000000
Binary files a/data/fonts/sans-12px-bold.png and /dev/null differ
diff --git a/data/fonts/sans-12px.png b/data/fonts/sans-12px.png
deleted file mode 100644
index fd3ba30b..00000000
Binary files a/data/fonts/sans-12px.png and /dev/null differ
diff --git a/data/fonts/sans-12px.yml b/data/fonts/sans-12px.yml
deleted file mode 100644
index f5a2fa21..00000000
--- a/data/fonts/sans-12px.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-glyph height: 16
-glyph spacing: [0, 1]
-top margin: 0
-image: sans-12px.png
-image glyph size: [20, 16]
-
-glyph widths:
-  32: 4
diff --git a/data/fonts/tibia-10px-antialised.otml b/data/fonts/tibia-10px-antialised.otml
deleted file mode 100644
index 214a1763..00000000
--- a/data/fonts/tibia-10px-antialised.otml
+++ /dev/null
@@ -1,9 +0,0 @@
-glyph height: 10
-glyph spacing: [1, 4]
-top margin: 3
-image: tibia-10px-antialised.png
-image glyph size: [8, 16]
-first glyph: 32
-
-glyph widths:
-  32: 2
diff --git a/data/fonts/tibia-10px-antialised.png b/data/fonts/tibia-10px-antialised.png
deleted file mode 100644
index e3757851..00000000
Binary files a/data/fonts/tibia-10px-antialised.png and /dev/null differ
diff --git a/data/fonts/tibia-10px-monochrome.otml b/data/fonts/tibia-10px-monochrome.otml
deleted file mode 100644
index 6350825f..00000000
--- a/data/fonts/tibia-10px-monochrome.otml
+++ /dev/null
@@ -1,9 +0,0 @@
-glyph height: 10
-glyph spacing: [1, 1]
-top margin: 3
-image: tibia-10px-monochrome.png
-image glyph size: [8, 16]
-first glyph: 32
-
-glyph widths:
-  32: 2
diff --git a/data/fonts/tibia-10px-monochrome.png b/data/fonts/tibia-10px-monochrome.png
deleted file mode 100644
index 9f71d8d3..00000000
Binary files a/data/fonts/tibia-10px-monochrome.png and /dev/null differ
diff --git a/data/fonts/tibia-12px-rounded.otml b/data/fonts/tibia-12px-rounded.otml
deleted file mode 100644
index 1e974fd7..00000000
--- a/data/fonts/tibia-12px-rounded.otml
+++ /dev/null
@@ -1,232 +0,0 @@
-glyph height: 12
-glyph spacing: [0, 1]
-top margin: 3
-image: tibia-12px-rounded.png
-image glyph size: [16, 16]
-first glyph: 32
-
-glyph widths:
-  32: 4
-  33: 4
-  34: 7
-  35: 9
-  36: 8
-  37: 10
-  38: 10
-  39: 4
-  40: 6
-  41: 6
-  42: 8
-  43: 9
-  44: 4
-  45: 7
-  46: 4
-  47: 8
-  48: 8
-  49: 6
-  50: 8
-  51: 8
-  52: 8
-  53: 8
-  54: 8
-  55: 8
-  56: 8
-  57: 8
-  58: 5
-  59: 5
-  60: 10
-  61: 10
-  62: 10
-  63: 7
-  64: 10
-  65: 9
-  66: 8
-  67: 8
-  68: 9
-  69: 8
-  70: 8
-  71: 9
-  72: 9
-  73: 6
-  74: 7
-  75: 8
-  76: 8
-  77: 10
-  78: 9
-  79: 9
-  80: 8
-  81: 9
-  82: 9
-  83: 8
-  84: 10
-  85: 9
-  86: 8
-  87: 10
-  88: 8
-  89: 8
-  90: 8
-  91: 6
-  92: 8
-  93: 6
-  94: 11
-  95: 9
-  96: 7
-  97: 8
-  98: 8
-  99: 7
-  100: 8
-  101: 8
-  102: 7
-  103: 8
-  104: 8
-  105: 4
-  106: 6
-  107: 8
-  108: 4
-  109: 10
-  110: 8
-  111: 8
-  112: 8
-  113: 8
-  114: 7
-  115: 7
-  116: 7
-  117: 8
-  118: 8
-  119: 10
-  120: 8
-  121: 8
-  122: 7
-  123: 8
-  124: 5
-  125: 8
-  126: 9
-  127: 13
-  128: 8
-  129: 13
-  130: 4
-  131: 8
-  132: 6
-  133: 13
-  134: 8
-  135: 8
-  136: 7
-  137: 20
-  138: 8
-  139: 6
-  140: 13
-  141: 13
-  142: 7
-  143: 13
-  144: 13
-  145: 4
-  146: 4
-  147: 6
-  148: 6
-  149: 8
-  150: 8
-  151: 12
-  152: 7
-  153: 11
-  154: 7
-  155: 6
-  156: 13
-  157: 13
-  158: 7
-  159: 9
-  160: 4
-  161: 5
-  162: 8
-  163: 8
-  164: 8
-  165: 8
-  166: 7
-  167: 8
-  168: 7
-  169: 12
-  170: 7
-  171: 9
-  172: 11
-  173: 6
-  174: 12
-  175: 8
-  176: 7
-  177: 11
-  178: 7
-  179: 7
-  180: 7
-  181: 8
-  182: 8
-  183: 5
-  184: 7
-  185: 7
-  186: 7
-  187: 9
-  188: 15
-  189: 15
-  190: 15
-  191: 7
-  192: 10
-  193: 10
-  194: 10
-  195: 10
-  196: 10
-  197: 10
-  198: 13
-  199: 8
-  200: 7
-  201: 7
-  202: 7
-  203: 7
-  204: 5
-  205: 5
-  206: 5
-  207: 5
-  208: 10
-  209: 8
-  210: 9
-  211: 9
-  212: 9
-  213: 9
-  214: 9
-  215: 11
-  216: 9
-  217: 8
-  218: 8
-  219: 8
-  220: 8
-  221: 9
-  222: 9
-  223: 8
-  224: 8
-  225: 8
-  226: 8
-  227: 8
-  228: 8
-  229: 8
-  230: 12
-  231: 6
-  232: 8
-  233: 8
-  234: 8
-  235: 8
-  236: 5
-  237: 5
-  238: 3
-  239: 3
-  240: 8
-  241: 8
-  242: 8
-  243: 8
-  244: 8
-  245: 8
-  246: 8
-  247: 11
-  248: 8
-  249: 8
-  250: 8
-  251: 8
-  252: 8
-  253: 8
-  254: 8
-  255: 8
diff --git a/data/fonts/tibia-12px-rounded.png b/data/fonts/tibia-12px-rounded.png
deleted file mode 100644
index 31a11f51..00000000
Binary files a/data/fonts/tibia-12px-rounded.png and /dev/null differ
diff --git a/data/fonts/tibia-8px-antialised.otml b/data/fonts/tibia-8px-antialised.otml
deleted file mode 100644
index d88a8a7d..00000000
--- a/data/fonts/tibia-8px-antialised.otml
+++ /dev/null
@@ -1,9 +0,0 @@
-glyph height: 8
-glyph spacing: [0, 1]
-top margin: 1
-image: tibia-8px-antialised.png
-image glyph size: [8, 8]
-first glyph: 32
-
-glyph widths:
-  32: 2
diff --git a/data/fonts/tibia-8px-antialised.png b/data/fonts/tibia-8px-antialised.png
deleted file mode 100644
index 1c526104..00000000
Binary files a/data/fonts/tibia-8px-antialised.png and /dev/null differ
diff --git a/data/modules/core/aliases.lua b/data/modules/core/aliases.lua
deleted file mode 100644
index e89d69bc..00000000
--- a/data/modules/core/aliases.lua
+++ /dev/null
@@ -1,4 +0,0 @@
--- some aliases
-loadUI = UI.load
-rootUI = UI.getRootContainer()
-
diff --git a/data/modules/core/enums.lua b/data/modules/core/constants.lua
similarity index 88%
rename from data/modules/core/enums.lua
rename to data/modules/core/constants.lua
index 0692d973..72d6b395 100644
--- a/data/modules/core/enums.lua
+++ b/data/modules/core/constants.lua
@@ -3,6 +3,6 @@ AnchorNone = 0
 AnchorTop = 1
 AnchorBottom = 2
 AnchorLeft = 3
-AnchorRight = 4 
+AnchorRight = 4
 AnchorVerticalCenter = 5
 AnchorHorizontalCenter = 6
diff --git a/data/modules/core/core.lua b/data/modules/core/core.lua
index 604b5cad..06068672 100644
--- a/data/modules/core/core.lua
+++ b/data/modules/core/core.lua
@@ -1,4 +1,3 @@
-require 'aliases'
-require 'enums'
+require 'constants'
 require 'util'
-
+require 'messagebox'
\ No newline at end of file
diff --git a/data/modules/messagebox/messagebox.lua b/data/modules/core/messagebox.lua
similarity index 69%
rename from data/modules/messagebox/messagebox.lua
rename to data/modules/core/messagebox.lua
index b4369a06..a29c3e5f 100644
--- a/data/modules/messagebox/messagebox.lua
+++ b/data/modules/core/messagebox.lua
@@ -10,17 +10,21 @@ function MessageBox.create(title, text, flags)
   setmetatable(box, MessageBox)
 
   -- create messagebox window
-  local window = UIWindow.new("messageBoxWindow", rootUI)
+  local window = UIWindow.create()
+  id = "messageBoxWindow"
   window.title = title
   window:centerIn(rootUI)
-  window:setLocked()
+  window:setLocked(true)
+  rootUI:addChild(window)
 
   -- create messagebox label
-  local label = UILabel.new("messageBoxLabel", window)
+  local label = UILabel.create()
+  id = "messageBoxLabel"
   label.text = text
-  label:addAnchor(AnchorHorizontalCenter, window, AnchorHorizontalCenter)
-  label:addAnchor(AnchorTop, window, AnchorTop)
-  label:setMargin(27, 0)
+  label:addAnchor(AnchorHorizontalCenter, window.id, AnchorHorizontalCenter)
+  label:addAnchor(AnchorTop, window.id, AnchorTop)
+  --label:setMargin(27, 0)
+  window:addChild(label)
 
   -- set window size based on label size
   window.width = label.width + 40
@@ -28,27 +32,29 @@ function MessageBox.create(title, text, flags)
 
   -- setup messagebox first button
   local buttonText
-  local button1 = UIButton.new("messageBoxButton1", window)
-  button1:addAnchor(AnchorBottom, window, AnchorBottom)
-  button1:addAnchor(AnchorRight, window, AnchorRight)
-  button1:setMargin(10)
+  local button1 = UIButton.new()
+  id = "messageBoxButton1"
+  button1:addAnchor(AnchorBottom, window.id, AnchorBottom)
+  button1:addAnchor(AnchorRight, window.id, AnchorRight)
+  --button1:setMargin(10)
+  button1.width = 64
+  window:addChild(button1)
 
   if flags == MessageBoxOk then
-    buttonText = "Ok"
+    button1.text = "Ok"
     box.onOk = createEmptyFunction()
     button1.onClick = function()
       box.onOk()
       box:destroy()
     end
   elseif flags == MessageBoxCancel then
-    buttonText = "Cancel"
+    button1.text = "Cancel"
     box.onCancel = createEmptyFunction()
     button1.onClick = function()
       box.onCancel()
       box:destroy()
     end
   end
-  button1.text = buttonText
 
   box.window = window
   return box
diff --git a/data/modules/core/module.otml b/data/modules/core/module.otml
deleted file mode 100644
index 5fa85e5e..00000000
--- a/data/modules/core/module.otml
+++ /dev/null
@@ -1,8 +0,0 @@
-title: Core
-notes: Core utilities used by other modules
-author: edubart
-version: 1
-website: https://github.com/edubart/otclient
-enabled: true
-script: core.lua
-
diff --git a/data/modules/mainmenu/entergame.lua b/data/modules/mainmenu/entergame.lua
index 26369bd4..f1a4da23 100644
--- a/data/modules/mainmenu/entergame.lua
+++ b/data/modules/mainmenu/entergame.lua
@@ -1,6 +1,9 @@
 function EnterGame_connectToLoginServer()
   -- create login protocol
-  local protocolLogin = ProtocolLogin.new()
+  local protocolLogin = ProtocolLogin.create()
+  print(ProtocolLogin_mt)
+  print(Protocol_mt)
+  print(getmetatable(protocolLogin))
 
   -- used to recreate enter game window
   local recreateEnterGame = function()
@@ -11,14 +14,14 @@ function EnterGame_connectToLoginServer()
   local loadBox = displayCancelBox("Please wait", "Connecting..")
 
   -- cancel loading callback
-  loadBox.onCancel = function()
+  loadBox.onCancel = function(protocol)
     -- cancel protocol and reacreate enter game window
-    protocolLogin:cancel()
+    protocol:cancel()
     recreateEnterGame()
   end
 
   -- error callback
-  protocolLogin.onError = function(error)
+  protocolLogin.onError = function(protocol, error)
     -- destroy loading message box
     loadBox:destroy()
 
@@ -26,12 +29,12 @@ function EnterGame_connectToLoginServer()
     local errorBox = displayErrorBox("Login Error", error)
 
     -- cancel protocol and reacreate enter game window
-    self.cancel()
+    protocol.cancel()
     errorBox.onOk = recreateEnterGame
   end
 
   -- motd callback
-  protocolLogin.onMotd = function(motd)
+  protocolLogin.onMotd = function(protocol, motd)
     -- destroy loading message box
     loadBox:destroy()
 
@@ -41,14 +44,14 @@ function EnterGame_connectToLoginServer()
     local motdBox = displayInfoBox("Message of the day", motdText)
 
     -- cancel protocol and reacreate enter game window
-    self.cancel()
+    protocol.cancel()
     motdBox.onOk = recreateEnterGame
   end
 
   -- get account and password then login
-  local enterGameWindow = rootUI:child("enterGameWindow")
-  local account = enterGameWindow:child("accountNameTextEdit").text
-  local password = enterGameWindow:child("passwordTextEdit").text
+  local enterGameWindow = rootUI:getChild("enterGameWindow")
+  local account = enterGameWindow:getChild("accountNameTextEdit").text
+  local password = enterGameWindow:getChild("passwordTextEdit").text
   protocolLogin:login(account, password)
 
   -- destroy enter game window
diff --git a/data/modules/mainmenu/init.lua b/data/modules/mainmenu/init.lua
index bce7aeb4..cfa4fee2 100644
--- a/data/modules/mainmenu/init.lua
+++ b/data/modules/mainmenu/init.lua
@@ -1,16 +1,16 @@
 require 'entergame'
 
 function initializeApplication()
-  mainMenu = loadUI("ui/mainmenu")
+  mainMenu = loadUI("ui/mainmenu", rootUI)
 end
 
 function terminateApplication()
-  App.exit()
+  exit()
 end
 
 -- here is where everything starts
 if not initialized then
   initializeApplication()
-  App.onClose = terminateApplication
+  onClose = terminateApplication
   initialized = true
 end
diff --git a/data/modules/mainmenu/module.otml b/data/modules/mainmenu/module.otml
deleted file mode 100644
index 8056a813..00000000
--- a/data/modules/mainmenu/module.otml
+++ /dev/null
@@ -1,10 +0,0 @@
-title: Main menu
-notes: Used to create the main menu
-enabled: true
-#dependencies
-interface: 020
-author: edubart
-version: 0.2
-scripts:
-  - menustate.lua
-  - mainmenu.lua
diff --git a/data/modules/mainmenu/ui/entergamewindow.otml b/data/modules/mainmenu/ui/entergamewindow.otml
index 524920c5..bab0ac88 100644
--- a/data/modules/mainmenu/ui/entergamewindow.otml
+++ b/data/modules/mainmenu/ui/entergamewindow.otml
@@ -1,67 +1,54 @@
 %window#enterGameWindow
   title: Enter Game
-  size: [236, 178]
+  size: [236, 160]
   anchors.horizontalCenter: parent.horizontalCenter
   anchors.verticalCenter: parent.verticalCenter
-  onLoad: self:setLocked()
 
   %label#accountNameLabel
+    skin: large
     text: Account name
     anchors.left: parent.left
     anchors.top: parent.top
     margin.left: 18
-    margin.top: 33
+    margin.top: 28
 
-  %label#passwordLabel
-    text: "Password:"
+  %textEdit#accountNameTextEdit
+    text: tibialua0
     anchors.left: parent.left
-    anchors.top: parent.top
+    anchors.right: parent.right
+    anchors.top: prev.bottom
     margin.left: 18
-    margin.top: 62
+    margin.right: 18
 
-  %label#createAccountLabel
-    text: |
-      If you don't have
-      an account yet
-    anchors.left: parent.left
-    anchors.top: parent.top
-    margin.left: 18
-    margin.top: 87
+  %label#passwordLabel
+    skin: large
+    text: Password
+    anchors.left: prev.left
+    anchors.top: prev.bottom
+    margin.top: 8
 
-  %button#createAccountButton
-    text: Create Account
+  %textEdit#passwordTextEdit
+    text: lua123456
     anchors.left: parent.left
-    anchors.top: parent.top
-    margin.top: 94
-    margin.left: 132
-    onClick: displayErrorBox("Error", "Not implemented yet")
+    anchors.right: parent.right
+    anchors.top: prev.bottom
+    margin.left: 18
+    margin.right: 18
 
   %button#okButton
     text: Ok
-    size: [43, 20]
-    anchors.right: parent.right
+    width: 64
+    anchors.right: next.left
     anchors.bottom: parent.bottom
-    margin.bottom: 10
-    margin.right: 66
+    margin.bottom: 16
+    margin.right: 16
     onClick: EnterGame_connectToLoginServer()
 
   %button#cancelButton
     text: Cancel
-    size: [43, 20]
+    width: 64
     anchors.right: parent.right
     anchors.bottom: parent.bottom
-    margin.bottom: 10
-    margin.right: 13
-    onClick: self.parent:destroy()
-
-  %textEdit#accountNameTextEdit
-    anchors.right: parent.right
-    anchors.top: parent.top
-    margin.top: 32
-    margin.right: 18
-
-  %textEdit#passwordTextEdit
-    anchors.right: parent.right
-    anchors.top: parent.top
-    margin.top: 61
-    margin.right: 18
+    margin.bottom: 16
+    margin.right: 16
+    onClick: function(self) rootUI:getChild("enterGameWindow"):destroy() end
diff --git a/data/modules/mainmenu/ui/infowindow.otml b/data/modules/mainmenu/ui/infowindow.otml
index f401536e..afdd7bf7 100644
--- a/data/modules/mainmenu/ui/infowindow.otml
+++ b/data/modules/mainmenu/ui/infowindow.otml
@@ -3,7 +3,7 @@
   size: [244, 221]
   anchors.horizontalCenter: parent.horizontalCenter
   anchors.verticalCenter: parent.verticalCenter
-  onLoad: self.locked = true
+  onLoad: function(self) self:setLocked() end
 
   %panel#infoPanel
     skin: flatPanel
@@ -39,7 +39,7 @@
 
     %button#websiteButton
       text: Github Page
-      size: [80,22]
+      size: [88, 24]
       anchors.right: parent.right
       anchors.bottom: parent.bottom
       margin.bottom: 9
@@ -55,9 +55,9 @@
 
   %button#okButton
     text: Ok
-    size: [43, 20]
+    size: [46, 24]
     anchors.left: parent.left
     anchors.top: parent.top
     margin.top: 191
     margin.left: 188
-    onClick: self.parent:destroy()
+    onClick: function(self) self.parent:destroy() end
diff --git a/data/modules/mainmenu/ui/mainmenu.otml b/data/modules/mainmenu/ui/mainmenu.otml
index 68f830ae..d01103b8 100644
--- a/data/modules/mainmenu/ui/mainmenu.otml
+++ b/data/modules/mainmenu/ui/mainmenu.otml
@@ -7,7 +7,7 @@
 
   %panel#mainMenu
     skin: roundedGridPanel
-    size: [117, 171]
+    size: [144, 162]
     anchors.left: parent.left
     anchors.bottom: parent.bottom
     margin.left: 60
@@ -17,33 +17,26 @@
       text: Enter Game
       anchors.top: parent.top
       anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 16
-      onClick: UI.load("entergamewindow")
-
-    %button#accessAccountButton
-      text: Access Account
-      anchors.top: parent.top
-      anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 46
-      onClick: displayErrorBox("Error", "Not implemented yet")
+      margin.top: 18
+      onClick: loadUI("entergamewindow", rootUI)
 
     %button#optionsButton
       text: Options
-      anchors.top: parent.top
+      anchors.top: prev.bottom
       anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 76
-      onClick: UI.load("optionswindow")
+      margin.top: 10
+      onClick: loadUI("optionswindow", rootUI)
 
     %button#infoButton
       text: Info
-      anchors.top: parent.top
+      anchors.top: prev.bottom
       anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 106
-      onClick: UI.load("infowindow")
+      margin.top: 10
+      onClick: loadUI("infowindow", rootUI)
 
     %button#exitGameButton
       text: Exit
-      anchors.top: parent.top
+      anchors.top: prev.bottom
       anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 136
+      margin.top: 10
       onClick: terminateApplication()
diff --git a/data/modules/mainmenu/ui/optionswindow.otml b/data/modules/mainmenu/ui/optionswindow.otml
index 4d05e453..c8df9049 100644
--- a/data/modules/mainmenu/ui/optionswindow.otml
+++ b/data/modules/mainmenu/ui/optionswindow.otml
@@ -3,7 +3,7 @@
   size: [286, 262]
   anchors.horizontalCenter: parent.horizontalCenter
   anchors.verticalCenter: parent.verticalCenter
-  onLoad: self.locked = true
+  onLoad: function(self) self:setLocked(true) end
 
   # general
   %button#generalButton
@@ -17,10 +17,10 @@
     text: |-
       Change general
       game options
-    anchors.left: parent.left
-    anchors.top: parent.top
-    margin.left: 117
-    margin.top: 29
+    anchors.left: prev.right
+    anchors.top: prev.top
+    margin.left: 10
+    margin.top: -2
 
   # graphics
   %button#graphicsButton
@@ -34,10 +34,10 @@
     text: |-
       Change graphics and
       performance settings
-    anchors.left: parent.left
-    anchors.top: parent.top
-    margin.left: 117
-    margin.top: 62
+    anchors.left: prev.right
+    anchors.top: prev.top
+    margin.left: 10
+    margin.top: -2
 
   # console
   %button#consoleButton
@@ -49,10 +49,10 @@
 
   %label#consoleLabel
     text: Customise the console
-    anchors.left: parent.left
-    anchors.top: parent.top
-    margin.left: 117
-    margin.top: 95
+    anchors.left: prev.right
+    anchors.top: prev.top
+    margin.left: 10
+    margin.top: -2
 
   # hotkeys
   %button#hotkeysButton
@@ -64,10 +64,10 @@
 
   %label#hotkeysLabel
     text: Edit your hotkey texts
-    anchors.left: parent.left
-    anchors.top: parent.top
-    margin.left: 117
-    margin.top: 128
+    anchors.left: prev.right
+    anchors.top: prev.top
+    margin.left: 10
+    margin.top: -2
 
   %lineDecoration#middleSeparator
     anchors.left: parent.left
@@ -89,10 +89,10 @@
     text: |
       Show the most recent
       Message of the Day
-    anchors.left: parent.left
-    anchors.bottom: parent.bottom
-    margin.left: 117
-    margin.bottom: 56
+    anchors.left: prev.right
+    anchors.top: prev.top
+    margin.left: 10
+    margin.top: -2
 
   %lineDecoration#bottomSeparator
     anchors.left: parent.left
@@ -110,4 +110,4 @@
     anchors.bottom: parent.bottom
     margin.right: 10
     margin.bottom: 13
-    onClick: self.parent:destroy()
+    onClick: function(self) self.parent:destroy() end
diff --git a/data/modules/messagebox/module.otml b/data/modules/messagebox/module.otml
deleted file mode 100644
index 9e132246..00000000
--- a/data/modules/messagebox/module.otml
+++ /dev/null
@@ -1,8 +0,0 @@
-title: Message box
-notes: Functions for creating message boxes
-author: edubart
-version: 1
-website: https://github.com/edubart/otclient
-enabled: true
-script: messagebox.lua
-
diff --git a/data/skins/tibiaskin/background.png b/data/skins/background.png
similarity index 100%
rename from data/skins/tibiaskin/background.png
rename to data/skins/background.png
diff --git a/data/skins/button.png b/data/skins/button.png
new file mode 100644
index 00000000..70727e0b
Binary files /dev/null and b/data/skins/button.png differ
diff --git a/data/skins/button_down.png b/data/skins/button_down.png
new file mode 100644
index 00000000..7808d00a
Binary files /dev/null and b/data/skins/button_down.png differ
diff --git a/data/skins/button_hover.png b/data/skins/button_hover.png
new file mode 100644
index 00000000..509268b4
Binary files /dev/null and b/data/skins/button_hover.png differ
diff --git a/data/skins/container_bg.png b/data/skins/container_bg.png
new file mode 100644
index 00000000..9fe1337c
Binary files /dev/null and b/data/skins/container_bg.png differ
diff --git a/data/skins/default.otml b/data/skins/default.otml
new file mode 100644
index 00000000..0786421a
--- /dev/null
+++ b/data/skins/default.otml
@@ -0,0 +1,80 @@
+default font: helvetica-12px
+default font color: [210, 210, 210, 255]
+
+buttons:
+  default:
+    font: helvetica-11px-bold
+    font color: [240, 173, 77, 255]
+    default size: [106, 24]
+
+    bordered image:
+      source: button.png
+      border: 5
+
+    hover state:
+      bordered image:
+        source: button_hover.png
+        border: 5
+
+    down state:
+      text translate: [1, 1]
+      bordered image:
+        source: button_down.png
+        border: 5
+panels:
+  default:
+    # the default panel is empty
+
+  mainMenuBackground:
+    image: background.png
+    antialised: true
+
+  roundedGridPanel:
+    bordered image:
+      source: panel_rounded.png
+      border: 4
+
+  flatPanel:
+    bordered image:
+      source: panel_flat.png
+      border: 1
+
+labels:
+  default:
+
+  large:
+    font: helvetica-12px-bold
+
+windows:
+  default:
+    font: helvetica-11px-bold
+    font color: [240, 173, 77, 255]
+    head:
+      height: 20
+      bordered image:
+        source: window.png
+        size: [256, 19]
+        border: 4
+        bottom: 3
+
+    body:
+      bordered image:
+        source: window.png
+        size: [256, 237]
+        offset: [0, 19]
+        border: 4
+        top: 0
+
+text edits:
+  default:
+    default size: [86, 20]
+    text margin: 3
+    bordered image:
+      source: panel_flat.png
+      border: 1
+
+line decorations:
+  default:
+    bordered image:
+      source: horizontal_separator.png
+      top: 2
diff --git a/data/skins/horizontal_separator.png b/data/skins/horizontal_separator.png
new file mode 100644
index 00000000..16592583
Binary files /dev/null and b/data/skins/horizontal_separator.png differ
diff --git a/data/skins/horizotal_separator.png b/data/skins/horizotal_separator.png
new file mode 100644
index 00000000..a24cef32
Binary files /dev/null and b/data/skins/horizotal_separator.png differ
diff --git a/data/skins/lightness.otml b/data/skins/lightness.otml
deleted file mode 100644
index 7b1a4f8a..00000000
--- a/data/skins/lightness.otml
+++ /dev/null
@@ -1,137 +0,0 @@
-default font: sans-11px-bold
-default font color: [51, 51, 51, 255]
-
-buttons:
-  default:
-    default size: [96, 22]
-    font color: [0, 115, 234, 255]
-
-    bordered image:
-      source: lightness/button-up.png
-      left border: [0,2,2,6]
-      right border: [22,2,2,6]
-      top border: [2,0,20,2]
-      bottom border: [2,8,20,2]
-      top left corner: [0,0,2,2]
-      top right corner: [22,0,2,2]
-      bottom left corner: [0,8,2,2]
-      bottom right corner: [22,8,2,2]
-      center: [2,2,20,6]
-
-    hover state:
-      font color: [255, 255, 255, 255]
-      bordered image:
-        source: lightness/button-hover.png
-        left border: [0,2,2,6]
-        right border: [22,2,2,6]
-        top border: [2,0,20,2]
-        bottom border: [2,8,20,2]
-        top left corner: [0,0,2,2]
-        top right corner: [22,0,2,2]
-        bottom left corner: [0,8,2,2]
-        bottom right corner: [22,8,2,2]
-        center: [2,2,20,6]
-
-    down state:
-      font color: [255, 0, 132, 255]
-      bordered image:
-        source: lightness/button-down.png
-        left border: [0,2,2,6]
-        right border: [22,2,2,6]
-        top border: [2,0,20,2]
-        bottom border: [2,8,20,2]
-        top left corner: [0,0,2,2]
-        top right corner: [22,0,2,2]
-        bottom left corner: [0,8,2,2]
-        bottom right corner: [22,8,2,2]
-        center: [2,2,20,6]
-panels:
-  default:
-    # the default panel is empty
-
-  mainMenuBackground:
-    image: lightness/background.png
-    antialised: true
-
-  roundedGridPanel:
-    bordered image:
-      source: lightness/menupanel.png
-      left border: [0,2,2,6]
-      right border: [22,2,2,6]
-      top border: [2,0,20,2]
-      bottom border: [2,8,20,2]
-      top left corner: [0,0,2,2]
-      top right corner: [22,0,2,2]
-      bottom left corner: [0,8,2,2]
-      bottom right corner: [22,8,2,2]
-      center: [2,2,20,6]
-
-  flatPanel:
-    bordered image:
-      source: lightness/panel.png
-      left border: [0,2,2,6]
-      right border: [22,2,2,6]
-      top border: [2,0,20,2]
-      bottom border: [2,8,20,2]
-      top left corner: [0,0,2,2]
-      top right corner: [22,0,2,2]
-      bottom left corner: [0,8,2,2]
-      bottom right corner: [22,8,2,2]
-      center: [2,2,20,6]
-
-labels:
-  default:
-    font: sans-12px
-
-windows:
-  default:
-    font: sans-12px-bold
-    font color: [80, 80, 80, 255]
-    head:
-      text align: left
-      margin: 8
-      height: 26
-      bordered image:
-        source: lightness/window.png
-        left border: [0,5,5,22]
-        right border: [251,5,5,22]
-        top border: [5,0,246,5]
-        bottom border: [5,27,246,5]
-        top left corner: [0,0,5,5]
-        top right corner: [251,0,5,5]
-        bottom left corner: [0,27,5,5]
-        bottom right corner: [251,27,5,5]
-        center: [5,5,246,22]
-    body:
-      bordered image:
-        source: lightness/window.png
-        left border: [0,32,2,222]
-        right border: [254,32,2,222]
-        bottom border: [2,254,252,2]
-        bottom left corner: [0,254,2,2]
-        bottom right corner: [254,254,2,2]
-        center: [2, 32, 92, 92]
-
-text edits:
-  default:
-    default size: [86, 20]
-    font color: [80, 80, 80, 255]
-    text margin: 3
-    bordered image:
-      source: lightness/button-down.png
-      left border: [0,2,2,6]
-      right border: [22,2,2,6]
-      top border: [2,0,20,2]
-      bottom border: [2,8,20,2]
-      top left corner: [0,0,2,2]
-      top right corner: [22,0,2,2]
-      bottom left corner: [0,8,2,2]
-      bottom right corner: [22,8,2,2]
-      center: [2,2,20,6]
-
-line decorations:
-  default:
-    bordered image:
-      source: lightness/window.png
-      top border: [2,254,252,2]
-
diff --git a/data/skins/lightness/background.png b/data/skins/lightness/background.png
deleted file mode 100644
index 8ffebc34..00000000
Binary files a/data/skins/lightness/background.png and /dev/null differ
diff --git a/data/skins/lightness/button-down.png b/data/skins/lightness/button-down.png
deleted file mode 100644
index 78034074..00000000
Binary files a/data/skins/lightness/button-down.png and /dev/null differ
diff --git a/data/skins/lightness/button-hover.png b/data/skins/lightness/button-hover.png
deleted file mode 100644
index f286f595..00000000
Binary files a/data/skins/lightness/button-hover.png and /dev/null differ
diff --git a/data/skins/lightness/button-up.png b/data/skins/lightness/button-up.png
deleted file mode 100644
index 0f82c2be..00000000
Binary files a/data/skins/lightness/button-up.png and /dev/null differ
diff --git a/data/skins/lightness/icos4d.png b/data/skins/lightness/icos4d.png
deleted file mode 100644
index b50cbe36..00000000
Binary files a/data/skins/lightness/icos4d.png and /dev/null differ
diff --git a/data/skins/lightness/menupanel.png b/data/skins/lightness/menupanel.png
deleted file mode 100644
index a8138d43..00000000
Binary files a/data/skins/lightness/menupanel.png and /dev/null differ
diff --git a/data/skins/lightness/mouse.png b/data/skins/lightness/mouse.png
deleted file mode 100644
index 0bff481d..00000000
Binary files a/data/skins/lightness/mouse.png and /dev/null differ
diff --git a/data/skins/lightness/panel.png b/data/skins/lightness/panel.png
deleted file mode 100644
index 44f80777..00000000
Binary files a/data/skins/lightness/panel.png and /dev/null differ
diff --git a/data/skins/lightness/window.png b/data/skins/lightness/window.png
deleted file mode 100644
index d9160cb0..00000000
Binary files a/data/skins/lightness/window.png and /dev/null differ
diff --git a/data/skins/panel_flat.png b/data/skins/panel_flat.png
new file mode 100644
index 00000000..16510756
Binary files /dev/null and b/data/skins/panel_flat.png differ
diff --git a/data/skins/panel_rounded.png b/data/skins/panel_rounded.png
new file mode 100644
index 00000000..e4b33872
Binary files /dev/null and b/data/skins/panel_rounded.png differ
diff --git a/data/skins/tibiaskin.otml b/data/skins/tibiaskin.otml
deleted file mode 100644
index 99943c21..00000000
--- a/data/skins/tibiaskin.otml
+++ /dev/null
@@ -1,111 +0,0 @@
-default font: tibia-10px-antialised
-default font color: [191, 191, 191, 255]
-default texture: tibiaskin/skin.png
-
-buttons:
-  default:
-    font: tibia-8px-antialised
-    font color: [238, 238, 238, 255]
-    default size: [86, 20]
-
-    bordered image:
-      left border: [45,139,1,18]
-      right border: [130,139,1,18]
-      top border: [46,138,84,1]
-      bottom border: [46,157,84,1]
-      top left corner: [45,138,1,1]
-      top right corner: [130,138,1,1]
-      bottom left corner: [45,157,1,1]
-      bottom right corner: [130,157,1,1]
-      center: [46,139,84,18]
-
-    down state:
-      text translate: [1, 1]
-      bordered image:
-        left border: [45,159,1,18]
-        right border: [130,159,1,18]
-        top border: [46,158,84,1]
-        bottom border: [46,177,84,1]
-        top left corner: [45,158,1,1]
-        top right corner: [130,158,1,1]
-        bottom left corner: [45,177,1,1]
-        bottom right corner: [130,177,1,1]
-        center: [46,159,84,18]
-panels:
-  default:
-    # the default panel is empty
-
-  mainMenuBackground:
-    image: tibiaskin/background.png
-    antialised: true
-
-  roundedGridPanel:
-    bordered image:
-      left border: [0,214,5,32]
-      right border: [6,214,5,32]
-      top border: [43,214,32,5]
-      bottom border: [43,220,32,5]
-      top left corner: [43,225,5,5]
-      top right corner: [49,225,5,5]
-      bottom left corner: [43,230,5,5]
-      bottom right corner: [48,231,5,5]
-      center: [11,214,32,32]
-
-  flatPanel:
-    bordered image:
-      left border: [275,0,1,96]
-      right border: [276,0,1,96]
-      top border: [2,210,91,1]
-      bottom border: [2,211,91,1]
-      top left corner: [275,0,1,1]
-      top right corner: [276,0,1,1]
-      bottom left corner: [2,210,1,1]
-      bottom right corner: [276,95,1,1]
-      center: [0, 0, 96, 96]
-
-labels:
-  default:
-
-windows:
-  default:
-    font color: [143, 143, 143, 255]
-    head:
-      height: 17
-      bordered image:
-        left border: [106,187,4,9]
-        right border: [110,187,4,9]
-        top border: [114,183,92,4]
-        bottom border: [114,196,92,4]
-        top left corner: [106,183,4,4]
-        top right corner: [110,183,4,4]
-        bottom left corner: [106,196,4,4]
-        bottom right corner: [110,196,4,4]
-        center: [114,187,96,9]
-    body:
-      bordered image:
-        left border: [98,180,4,12]
-        right border: [99,180,4,12]
-        bottom border: [2,193,96,4]
-        bottom left corner: [98,193,4,4]
-        bottom right corner: [102,193,4,4]
-        center: [0, 0, 96, 96]
-
-text edits:
-  default:
-    default size: [86, 16]
-    text margin: 3
-    bordered image:
-      left border: [308,97,1,1]
-      right border: [319,97,1,10]
-      top border: [309,96,10,1]
-      bottom border: [309,107,10,1]
-      top left corner: [308,96,1,1]
-      top right corner: [319,96,1,1]
-      bottom left corner: [308,107,1,1]
-      bottom right corner: [319,107,1,1]
-      center: [309,97,10,10]
-
-line decorations:
-  default:
-    bordered image:
-      top border: [2,210,96,2]
diff --git a/data/skins/tibiaskin/skin.png b/data/skins/tibiaskin/skin.png
deleted file mode 100644
index ddbef0d8..00000000
Binary files a/data/skins/tibiaskin/skin.png and /dev/null differ
diff --git a/data/skins/window.png b/data/skins/window.png
new file mode 100644
index 00000000..c57da39f
Binary files /dev/null and b/data/skins/window.png differ
diff --git a/packages/core/constants.lua b/packages/core/constants.lua
index bcb5a924..180925d1 100644
--- a/packages/core/constants.lua
+++ b/packages/core/constants.lua
@@ -1,4 +1,4 @@
-rootUI = UI.getRootContainer()
+rootUI = App.getRootContainer()
 
 -- AnchorPoint
 AnchorNone = 0
diff --git a/packages/mainmenu/ui/entergamewindow.otml b/packages/mainmenu/ui/entergamewindow.otml
index 89031337..09a433da 100644
--- a/packages/mainmenu/ui/entergamewindow.otml
+++ b/packages/mainmenu/ui/entergamewindow.otml
@@ -1,50 +1,60 @@
-window#enterGameWindow
+Window
+  id: enterGameWindow
   title: Enter Game
   size: 236 178
   anchor.centerIn: parent
   lockOnLoad: true
 
-  %label
+  Label
     text: Account name
     position: 18 33
 
-  %label
+  Label
     text: "Password:"
     position: 18 62
 
-  %label
-    text: |
-      If you don't have
-      an account yet
+  Label
+    text:
+      [[If you don't have
+      an account yet]]
+
     anchors.top: parent.top
     anchors.left: parent.left
     margin: 87 18
 
-  %button.notImplemented
+  Button
     text: Create Account
     anchors.top: parent.top
     anchors.right: parent.right
     margin: 94 18
+    onClick:
+      function(self)
+        displayErrorBox("Error", "Not implemented yet")
+        self.parent:destroy()
+      end
 
-  %button.small
+  SmallButton
     text: Ok
     anchors.bottomRight: parent.bottomRight
     margin: 10 66
     onClick: EnterGame_connectToLoginServer()
 
-  %button.small.closeParent
+  SmallButton
     text: Cancel
     anchors.bottom: parent.bottom
     anchors.right: parent.right
     margin: 10 13
+    onClick: displayErrorBox("Error", "Not implemented yet")
 
-  %textEdit#accountNameTextEdit
+  TextEdit
+    id: accountNameTextEdit
     text: tibialua0
     anchors.top: parent.top
     anchors.right: parent.right
     margin: 32 18
 
-  %textEdit#passwordTextEdit
+  TextEdit
+    id: passwordTextEdit
     text: lua123456
     text-hidden: true
     anchors.top: parent.top
diff --git a/packages/mainmenu/ui/mainmenu.otml b/packages/mainmenu/ui/mainmenu.otml
index 8585603b..df52045b 100644
--- a/packages/mainmenu/ui/mainmenu.otml
+++ b/packages/mainmenu/ui/mainmenu.otml
@@ -1,37 +1,63 @@
-%panel#mainBackground
-  image: { source: background.png; antialised: true }
+@import "additional_elements"
+
+Panel
+  id: "mainBackground"
+  image:
+    source: "background.png"
+    antialised: true
   anchor.fill: parent
-    
-  %panel#mainMenuPanel.flat
-    size: 117 171
+
+  lista:
+    - valor1
+    - valor2
+    - valor3
+
+  FlatPanel
+    id: mainMenuPanel
+    size: {117, 171}
     anchors.bottom: parent.bottom
     anchors.left: parent.left
-    margin: 70 60
+    margin: {70, 60}
 
-    button
-      anchors.top: prev.bottom
-      anchors.horizontalCenter: parent.horizontalCenter
-      margin.top: 6
-
-    %button.first
+    // enter game button
+    Button
+      text: "Enter Game"
       anchors.top: parent.top
       anchors.horizontalCenter: parent.horizontalCenter
       margin.top: 16
-      text: Enter Game
-      onClick: loadUI("entergamewindow")
+      onClick: |
+        function(self)
+            if not mainMenu:getChild("enterGameWindow") then
+                local enterGame = loadUI("entergamewindow")
+                enterGame:setLocked(true)
+            end
+        end
 
-    %button.notImplemented
-      text: Access Account
+    Button
+      text: "Access Account"
+      anchors.top: prev.bottom
+      anchors.horizontalCenter: parent.horizontalCenter
+      margin.top: 6
+      onClick: loadUI("entergamewindow")
 
-    %button
-      text: Options
+    Button
+      text: "Options"
+      anchors.top: prev.bottom
+      anchors.horizontalCenter: parent.horizontalCenter
+      margin.top: 6
       onClick: loadUI("optionswindow")
 
-    %button
-      text: Info
+    Button
+      text: "Info"
+      anchors.top: prev.bottom
+      anchors.horizontalCenter: parent.horizontalCenter
+      margin.top: 6
       onClick: loadUI("infowindow")
 
-    %button
-      text: Exit
+    Button
+      text: "Exit"
+      anchors.top: prev.bottom
+      anchors.horizontalCenter: parent.horizontalCenter
+      margin.top: 6
       onClick: terminateApplication()
 
diff --git a/src/framework/core/configs.h b/src/framework/core/configs.h
index 56164077..49262a5c 100644
--- a/src/framework/core/configs.h
+++ b/src/framework/core/configs.h
@@ -4,6 +4,7 @@
 #include <global.h>
 
 struct ConfigValueProxy {
+    ConfigValueProxy(const std::string& v) : value(v) { }
     operator std::string() const { return convert<std::string>(value); }
     operator float() const { return convert<float>(value); }
     operator int() const { return convert<int>(value); }
@@ -20,7 +21,7 @@ public:
     template<class T>
     void set(const std::string& key, const T& value) { m_confsMap[key] = convert<std::string>(value); }
 
-    ConfigValueProxy get(const std::string& key) { return ConfigValueProxy{m_confsMap[key]}; }
+    ConfigValueProxy get(const std::string& key) { return ConfigValueProxy(m_confsMap[key]); }
 
 private:
     std::string m_fileName;
diff --git a/src/framework/core/dispatcher.cpp b/src/framework/core/dispatcher.cpp
index ed74ad22..a7c5e6b6 100644
--- a/src/framework/core/dispatcher.cpp
+++ b/src/framework/core/dispatcher.cpp
@@ -29,12 +29,12 @@ void Dispatcher::poll()
     }
 }
 
-void Dispatcher::scheduleTask(const boost::function<void()>& callback, int delay)
+void Dispatcher::scheduleTask(const std::function<void()>& callback, int delay)
 {
     m_scheduledTaskList.push(new ScheduledTask(g_engine.getCurrentFrameTicks() + delay, callback));
 }
 
-void Dispatcher::addTask(const boost::function<void()>& callback, bool pushFront)
+void Dispatcher::addTask(const std::function<void()>& callback, bool pushFront)
 {
     if(pushFront)
         m_taskList.push_front(callback);
diff --git a/src/framework/core/dispatcher.h b/src/framework/core/dispatcher.h
index 49bb6167..5617465d 100644
--- a/src/framework/core/dispatcher.h
+++ b/src/framework/core/dispatcher.h
@@ -4,15 +4,12 @@
 #include <global.h>
 #include <queue>
 
-#include <boost/bind.hpp>
-#include <boost/function.hpp>
-
 struct ScheduledTask {
-    ScheduledTask(const boost::function<void()>& _callback) : ticks(0), callback(_callback) { }
-    ScheduledTask(int _ticks, const boost::function<void()>& _callback) : ticks(_ticks), callback(_callback)  { }
+    ScheduledTask(const std::function<void()>& _callback) : ticks(0), callback(_callback) { }
+    ScheduledTask(int _ticks, const std::function<void()>& _callback) : ticks(_ticks), callback(_callback)  { }
     bool operator<(const ScheduledTask& other) const { return ticks > other.ticks; }
     int ticks;
-    boost::function<void()> callback;
+    std::function<void()> callback;
 };
 
 struct lessScheduledTask : public std::binary_function<ScheduledTask*&, ScheduledTask*&, bool> {
@@ -31,13 +28,13 @@ public:
     void poll();
 
     /// Add an event
-    void addTask(const boost::function<void()>& callback, bool pushFront = false);
+    void addTask(const std::function<void()>& callback, bool pushFront = false);
 
     /// Schedula an event
-    void scheduleTask(const boost::function<void()>& callback, int delay);
+    void scheduleTask(const std::function<void()>& callback, int delay);
 
 private:
-    std::list<boost::function<void()>> m_taskList;
+    std::list<std::function<void()>> m_taskList;
     std::priority_queue<ScheduledTask*, std::vector<ScheduledTask*>, lessScheduledTask> m_scheduledTaskList;
 };
 
diff --git a/src/framework/core/engine.cpp b/src/framework/core/engine.cpp
index 23a8e432..b95d2eb1 100644
--- a/src/framework/core/engine.cpp
+++ b/src/framework/core/engine.cpp
@@ -6,7 +6,7 @@
 #include <graphics/textures.h>
 #include <ui/uicontainer.h>
 #include <ui/uiskins.h>
-#include <script/scriptcontext.h>
+#include <script/luainterface.h>
 #include <net/connection.h>
 
 Engine g_engine;
@@ -113,7 +113,7 @@ void Engine::stop()
 
 void Engine::onClose()
 {
-    g_dispatcher.addTask(boost::bind(&ScriptContext::callModuleField, &g_lua, "App", "onClose"));
+    g_lua.getGlobal("onClose")->call("onClose");
 }
 
 void Engine::onResize(const Size& size)
diff --git a/src/framework/core/modules.cpp b/src/framework/core/modules.cpp
deleted file mode 100644
index c5e864f4..00000000
--- a/src/framework/core/modules.cpp
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "modules.h"
-
diff --git a/src/framework/core/modules.h b/src/framework/core/modules.h
deleted file mode 100644
index 0d862f55..00000000
--- a/src/framework/core/modules.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef MODULES_H
-#define MODULES_H
-
-class Modules
-{
-};
-
-#endif // MODULES_H
diff --git a/src/framework/core/packages.cpp b/src/framework/core/packages.cpp
new file mode 100644
index 00000000..4f9e6392
--- /dev/null
+++ b/src/framework/core/packages.cpp
@@ -0,0 +1,29 @@
+#include "packages.h"
+
+#include <core/resources.h>
+#include <script/luainterface.h>
+
+Packages g_packages;
+
+void Packages::loadPackages()
+{
+    std::list<std::string> packages = g_resources.listDirectoryFiles("modules");
+    foreach(const std::string& package, packages) {
+        std::string dir = make_string("modules/", package);
+        g_resources.pushCurrentPath(dir);
+
+        std::list<std::string> packagesFiles = g_resources.listDirectoryFiles();
+        foreach(const std::string& packageFile, packagesFiles) {
+            if(boost::ends_with(packageFile, ".lua")) {
+                g_lua.runScript(packageFile);
+            }
+        }
+
+        g_resources.popCurrentPath();
+    }
+}
+
+void Packages::terminate()
+{
+
+}
diff --git a/src/framework/core/packages.h b/src/framework/core/packages.h
new file mode 100644
index 00000000..2acfe709
--- /dev/null
+++ b/src/framework/core/packages.h
@@ -0,0 +1,15 @@
+#ifndef PACKAGES_H
+#define PACKAGES_H
+
+#include <global.h>
+
+class Packages
+{
+public:
+    void loadPackages();
+    void terminate();
+};
+
+extern Packages g_packages;
+
+#endif // MODULES_H
diff --git a/src/framework/core/resources.cpp b/src/framework/core/resources.cpp
index c111f7f0..5f5a8479 100644
--- a/src/framework/core/resources.cpp
+++ b/src/framework/core/resources.cpp
@@ -2,7 +2,6 @@
 #include "resources.h"
 #include "platform.h"
 
-#include <boost/algorithm/string.hpp>
 #include <physfs.h>
 
 Resources g_resources;
@@ -148,12 +147,15 @@ std::list<std::string> Resources::listDirectoryFiles(const std::string& director
 
 void Resources::pushCurrentPath(const std::string &currentPath)
 {
+    //logTraceDebug(currentPath);
     m_currentPaths.push(currentPath);
 }
 
 void Resources::popCurrentPath()
 {
     m_currentPaths.pop();
+    //if(!m_currentPaths.empty())
+    //    logTraceDebug(m_currentPaths.top());
 }
 
 std::string Resources::resolvePath(const std::string& path)
diff --git a/src/framework/global.h b/src/framework/global.h
index 6c3720fd..1de546c4 100644
--- a/src/framework/global.h
+++ b/src/framework/global.h
@@ -16,13 +16,17 @@
 #include <string>
 #include <vector>
 #include <list>
+#include <deque>
 #include <map>
 #include <algorithm>
+#include <exception>
+#include <memory>
+#include <type_traits>
+#include <functional>
+#include <regex>
 
-// smart pointers
-#include <boost/shared_ptr.hpp>
-#include <boost/scoped_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
+// string algorithms
+#include <boost/algorithm/string.hpp>
 
 // constants
 #include <const.h>
@@ -41,5 +45,6 @@
 #include <util/foreach.h>
 #include <util/makestring.h>
 #include <util/logger.h>
+#include <util/algorithms.h>
 
 #endif // GLOBAL_H
diff --git a/src/framework/graphics/animatedtexture.cpp b/src/framework/graphics/animatedtexture.cpp
index 0610a72b..2c7a37c9 100644
--- a/src/framework/graphics/animatedtexture.cpp
+++ b/src/framework/graphics/animatedtexture.cpp
@@ -44,7 +44,7 @@ AnimatedTexture::AnimatedTexture(int width, int height, int channels, int numFra
     }
 
     m_currentFrame = -1;
-    g_dispatcher.scheduleTask(boost::bind(&AnimatedTexture::processAnimation, this), 0);
+    g_dispatcher.scheduleTask(std::bind(&AnimatedTexture::processAnimation, this), 0);
 }
 
 AnimatedTexture::~AnimatedTexture()
@@ -70,7 +70,7 @@ void AnimatedTexture::processAnimation()
     if(m_currentFrame >= m_numFrames)
         m_currentFrame = 0;
     m_textureId = m_framesTextureId[m_currentFrame];
-    AnimatedTexturePtr me = boost::static_pointer_cast<AnimatedTexture>(shared_from_this());
+    AnimatedTexturePtr me = std::static_pointer_cast<AnimatedTexture>(shared_from_this());
     if(me.use_count() > 1)
-        g_dispatcher.scheduleTask(boost::bind(&AnimatedTexture::processAnimation, me), m_framesDelay[m_currentFrame]);
+        g_dispatcher.scheduleTask(std::bind(&AnimatedTexture::processAnimation, me), m_framesDelay[m_currentFrame]);
 }
diff --git a/src/framework/graphics/animatedtexture.h b/src/framework/graphics/animatedtexture.h
index d93631cb..019ae464 100644
--- a/src/framework/graphics/animatedtexture.h
+++ b/src/framework/graphics/animatedtexture.h
@@ -45,7 +45,7 @@ private:
     int m_lastAnimCheckTicks;
 };
 
-typedef boost::shared_ptr<AnimatedTexture> AnimatedTexturePtr;
-typedef boost::weak_ptr<AnimatedTexture> AnimatedTextureWeakPtr;
+typedef std::shared_ptr<AnimatedTexture> AnimatedTexturePtr;
+typedef std::weak_ptr<AnimatedTexture> AnimatedTextureWeakPtr;
 
 #endif // ANIMATEDTEXTURE_H
diff --git a/src/framework/graphics/borderedimage.cpp b/src/framework/graphics/borderedimage.cpp
index 6b37c5a0..ee4fcfb6 100644
--- a/src/framework/graphics/borderedimage.cpp
+++ b/src/framework/graphics/borderedimage.cpp
@@ -96,13 +96,13 @@ BorderedImagePtr BorderedImage::loadFromOTMLNode(OTMLNode* node, TexturePtr defa
     left = node->readAt("left", left);
     right = node->readAt("right", right);
     leftBorder = Rect(subRect.left(), subRect.top() + top, left, subRect.height() - top - bottom);
-    rightBorder = Rect(subRect.right() - right, subRect.top() + top, right, subRect.height() - top - bottom);
+    rightBorder = Rect(subRect.right() - right + 1, subRect.top() + top, right, subRect.height() - top - bottom);
     topBorder = Rect(subRect.left() + left, subRect.top(), subRect.width() - right - left, top);
-    bottomBorder = Rect(subRect.left() + left, subRect.bottom() - bottom, subRect.width() - right - left, bottom);
+    bottomBorder = Rect(subRect.left() + left, subRect.bottom() - bottom + 1, subRect.width() - right - left, bottom);
     topLeftCorner = Rect(subRect.left(), subRect.top(), left, top);
-    topRightCorner = Rect(subRect.right() - right, subRect.top(), right, top);
+    topRightCorner = Rect(subRect.right() - right + 1, subRect.top(), right, top);
     bottomLeftCorner = Rect(subRect.left(), subRect.bottom() - bottom, left, bottom);
-    bottomRightCorner = Rect(subRect.right() - right, subRect.bottom() - bottom, right, bottom);
+    bottomRightCorner = Rect(subRect.right() - right + 1, subRect.bottom() - bottom + 1, right, bottom);
     center = Rect(subRect.left() + left, subRect.top() + top, subRect.width() - right - left, subRect.height() - top - bottom);
     leftBorder = node->readAt("left border", leftBorder);
     rightBorder = node->readAt("right border", rightBorder);
diff --git a/src/framework/graphics/borderedimage.h b/src/framework/graphics/borderedimage.h
index 64dfb731..ae66f664 100644
--- a/src/framework/graphics/borderedimage.h
+++ b/src/framework/graphics/borderedimage.h
@@ -31,7 +31,7 @@
 #include <otml/otmlnode.h>
 
 class BorderedImage;
-typedef boost::shared_ptr<BorderedImage> BorderedImagePtr;
+typedef std::shared_ptr<BorderedImage> BorderedImagePtr;
 
 class BorderedImage : public Image
 {
diff --git a/src/framework/graphics/font.cpp b/src/framework/graphics/font.cpp
index 94b1595f..e027900a 100644
--- a/src/framework/graphics/font.cpp
+++ b/src/framework/graphics/font.cpp
@@ -1,27 +1,3 @@
-/* The MIT License
- *
- * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
 #include <global.h>
 #include <core/resources.h>
 #include <graphics/font.h>
@@ -54,6 +30,7 @@ void Font::calculateGlyphsWidthsAutomatically(const Size& glyphSize)
             // if all pixels were alpha we found the width
             if(columnFilledPixels == 0) {
                 width = x - glyphCoords.left();
+                width += m_glyphSpacing.width();
                 if(m_glyphHeight >= 16 && lastColumnFilledPixels >= m_glyphHeight/3)
                     width += 1;
                 break;
@@ -84,11 +61,11 @@ bool Font::load(const std::string& file)
 
         // required values
         textureName = doc->valueAt("image");
-        glyphSize = doc->readAt("image glyph size", Size(16, 16));
-        m_glyphHeight = doc->readAt("glyph height", 11);
-        m_firstGlyph = doc->readAt("first glyph", 32);
-        m_topMargin = doc->readAt("top margin", 0);
-        m_glyphSpacing = doc->readAt("glyph spacing", Size(0,0));
+        glyphSize = doc->readAt("image-glyph-size", Size(16, 16));
+        m_glyphHeight = doc->readAt("glyph-height", 11);
+        m_firstGlyph = doc->readAt("first-glyph", 32);
+        m_topMargin = doc->readAt("top-margin", 0);
+        m_glyphSpacing = doc->readAt("glyph-spacing", Size(0,0));
 
         // load texture
         m_texture = g_textures.get(textureName);
@@ -101,16 +78,16 @@ bool Font::load(const std::string& file)
         calculateGlyphsWidthsAutomatically(glyphSize);
 
         // read custom widths
-        if(doc->hasChild("glyph widths")) {
+        if(doc->hasChild("glyph-widths")) {
             std::map<int, int> glyphWidths;
-            doc->readAt("glyph widths", &glyphWidths);
+            doc->readAt("glyph-widths", &glyphWidths);
             foreach(const auto& pair, glyphWidths)
                 m_glyphsSize[pair.first].setWidth(pair.second);
         }
 
         // calculate glyphs texture coords
         int numHorizontalGlyphs = m_texture->getSize().width() / glyphSize.width();
-        for(int glyph = m_firstGlyph; glyph< 256; ++glyph) {
+        for(int glyph = m_firstGlyph; glyph < 256; ++glyph) {
             m_glyphsTextureCoords[glyph].setRect(((glyph - m_firstGlyph) % numHorizontalGlyphs) * glyphSize.width(),
                                                  ((glyph - m_firstGlyph) / numHorizontalGlyphs) * glyphSize.height(),
                                                  m_glyphsSize[glyph].width(),
@@ -248,7 +225,7 @@ const std::vector<Point>& Font::calculateGlyphsPositions(const std::string& text
                     lineWidths.resize(lines+1);
                 lineWidths[lines] = 0;
             } else if(glyph >= 32) {
-                lineWidths[lines] += m_glyphsSize[glyph].width() + m_glyphSpacing.width();
+                lineWidths[lines] += m_glyphsSize[glyph].width();
                 maxLineWidth = std::max(maxLineWidth, lineWidths[lines]);
             }
         }
@@ -281,7 +258,7 @@ const std::vector<Point>& Font::calculateGlyphsPositions(const std::string& text
 
         // render only if the glyph is valid
         if(glyph >= 32 && glyph != (uchar)'\n') {
-            virtualPos.x += m_glyphsSize[glyph].width() + m_glyphSpacing.width();
+            virtualPos.x += m_glyphsSize[glyph].width();
         }
     }
 
diff --git a/src/framework/graphics/font.h b/src/framework/graphics/font.h
index d2f55d6c..53ac4098 100644
--- a/src/framework/graphics/font.h
+++ b/src/framework/graphics/font.h
@@ -75,6 +75,6 @@ private:
     Size m_glyphsSize[256];
 };
 
-typedef boost::shared_ptr<Font> FontPtr;
+typedef std::shared_ptr<Font> FontPtr;
 
 #endif // FONT_H
diff --git a/src/framework/graphics/fonts.cpp b/src/framework/graphics/fonts.cpp
index 0406c101..1ac3cea0 100644
--- a/src/framework/graphics/fonts.cpp
+++ b/src/framework/graphics/fonts.cpp
@@ -1,32 +1,7 @@
-/* The MIT License
- *
- * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
 #include <global.h>
 #include <core/resources.h>
 #include <graphics/fonts.h>
 
-#include <boost/algorithm/string.hpp>
 
 Fonts g_fonts;
 
diff --git a/src/framework/graphics/image.h b/src/framework/graphics/image.h
index e4b412b7..7c895665 100644
--- a/src/framework/graphics/image.h
+++ b/src/framework/graphics/image.h
@@ -44,6 +44,6 @@ protected:
     Rect m_textureCoords;
 };
 
-typedef boost::shared_ptr<Image> ImagePtr;
+typedef std::shared_ptr<Image> ImagePtr;
 
 #endif // IMAGE_H
diff --git a/src/framework/graphics/texture.h b/src/framework/graphics/texture.h
index 175e5e66..9bbeed88 100644
--- a/src/framework/graphics/texture.h
+++ b/src/framework/graphics/texture.h
@@ -27,7 +27,7 @@
 
 #include <global.h>
 
-class Texture : public boost::enable_shared_from_this<Texture>
+class Texture : public std::enable_shared_from_this<Texture>
 {
 public:
     /// Create a texture, width and height must be a multiple of 2
@@ -55,7 +55,7 @@ protected:
     Size m_glSize;
 };
 
-typedef boost::shared_ptr<Texture> TexturePtr;
-typedef boost::weak_ptr<Texture> TextureWeakPtr;
+typedef std::shared_ptr<Texture> TexturePtr;
+typedef std::weak_ptr<Texture> TextureWeakPtr;
 
 #endif // TEXTURE_H
diff --git a/src/framework/graphics/textures.cpp b/src/framework/graphics/textures.cpp
index 42add224..15938f7f 100644
--- a/src/framework/graphics/textures.cpp
+++ b/src/framework/graphics/textures.cpp
@@ -28,8 +28,6 @@
 #include <graphics/textureloader.h>
 #include <core/dispatcher.h>
 
-#include <boost/algorithm/string.hpp>
-
 Textures g_textures;
 
 TexturePtr Textures::get(const std::string& textureFile)
diff --git a/src/framework/net/connection.cpp b/src/framework/net/connection.cpp
index a03bcadd..d46b2f64 100644
--- a/src/framework/net/connection.cpp
+++ b/src/framework/net/connection.cpp
@@ -40,61 +40,57 @@ void Connection::poll()
     ioService.reset();
 }
 
-void Connection::connect(const std::string& host, uint16 port, const boost::function<void()>& connectCallback)
+void Connection::connect(const std::string& host, uint16 port, const std::function<void()>& connectCallback)
 {
     m_connectCallback = connectCallback;
     m_connectionState = CONNECTION_STATE_RESOLVING;
 
     boost::asio::ip::tcp::resolver::query query(host, convert<std::string>(port));
-    m_resolver.async_resolve(query, boost::bind(&Connection::onResolve, shared_from_this(), boost::asio::placeholders::error, boost::asio::placeholders::iterator));
+    m_resolver.async_resolve(query, std::bind(&Connection::onResolve, shared_from_this(), std::placeholders::_1, std::placeholders::_2));
 
     m_timer.expires_from_now(boost::posix_time::seconds(2));
-    m_timer.async_wait(boost::bind(&Connection::onTimeout, shared_from_this(), boost::asio::placeholders::error));
+    m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
 }
 
 void Connection::send(OutputMessage *outputMessage)
 {
     boost::asio::async_write(m_socket,
                              boost::asio::buffer(outputMessage->getBuffer(), outputMessage->getMessageSize()),
-                             boost::bind(&Connection::onSend, shared_from_this(), boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
+                             std::bind(&Connection::onSend, shared_from_this(), std::placeholders::_1, std::placeholders::_2));
 
     m_timer.expires_from_now(boost::posix_time::seconds(2));
-    m_timer.async_wait(boost::bind(&Connection::onTimeout, shared_from_this(), boost::asio::placeholders::error));
+    m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
 }
 
 void Connection::onTimeout(const boost::system::error_code& error)
 {
     if(error != boost::asio::error::operation_aborted)
-        g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+        g_dispatcher.addTask(std::bind(m_errorCallback, error));
 }
 
 void Connection::onResolve(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIterator)
 {
-    trace();
-
     m_timer.cancel();
 
     if(error) {
         if(m_errorCallback)
-            g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+            g_dispatcher.addTask(std::bind(m_errorCallback, error));
         return;
     }
 
-    m_socket.async_connect(*endpointIterator, boost::bind(&Connection::onConnect, shared_from_this(), boost::asio::placeholders::error));
+    m_socket.async_connect(*endpointIterator, std::bind(&Connection::onConnect, shared_from_this(), std::placeholders::_1));
 
     m_timer.expires_from_now(boost::posix_time::seconds(2));
-    m_timer.async_wait(boost::bind(&Connection::onTimeout, shared_from_this(), boost::asio::placeholders::error));
+    m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
 }
 
 void Connection::onConnect(const boost::system::error_code& error)
 {
-    trace();
-
     m_timer.cancel();
 
     if(error) {
         if(m_errorCallback)
-            g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+            g_dispatcher.addTask(std::bind(m_errorCallback, error));
         return;
     }
 
@@ -103,29 +99,25 @@ void Connection::onConnect(const boost::system::error_code& error)
     // Start listening.
     boost::asio::async_read(m_socket,
                             boost::asio::buffer(m_inputMessage.getBuffer(), InputMessage::HEADER_LENGTH),
-                            boost::bind(&Connection::onRecvHeader, shared_from_this(), boost::asio::placeholders::error));
+                            std::bind(&Connection::onRecvHeader, shared_from_this(), std::placeholders::_1));
 }
 
 void Connection::onSend(const boost::system::error_code& error, size_t)
 {
-    trace();
-
     m_timer.cancel();
 
     if(error) {
         if(m_errorCallback)
-            g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+            g_dispatcher.addTask(std::bind(m_errorCallback, error));
         return;
     }
 }
 
 void Connection::onRecvHeader(const boost::system::error_code& error)
 {
-    trace();
-
     if(error) {
         if(m_errorCallback)
-            g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+            g_dispatcher.addTask(std::bind(m_errorCallback, error));
         return;
     }
 
@@ -134,16 +126,14 @@ void Connection::onRecvHeader(const boost::system::error_code& error)
 
     boost::asio::async_read(m_socket,
                             boost::asio::buffer(m_inputMessage.getBuffer() + InputMessage::CHECKSUM_POS, messageSize),
-                            boost::bind(&Connection::onRecvData, shared_from_this(), boost::asio::placeholders::error));
+                            std::bind(&Connection::onRecvData, shared_from_this(), std::placeholders::_1));
 }
 
 void Connection::onRecvData(const boost::system::error_code& error)
 {
-    trace();
-
     if(error) {
         if(m_errorCallback)
-            g_dispatcher.addTask(boost::bind(m_errorCallback, error));
+            g_dispatcher.addTask(std::bind(m_errorCallback, error));
         return;
     }
 
@@ -151,7 +141,7 @@ void Connection::onRecvData(const boost::system::error_code& error)
     // must be called outside dispatcher cause of inputmessage.
     if(m_recvCallback)
         m_recvCallback(&m_inputMessage);
-        //g_dispatcher.addTask(boost::bind(m_recvCallback, &m_inputMessage));
+        //g_dispatcher.addTask(std::bind(m_recvCallback, &m_inputMessage));
 
     // keep reading
 
@@ -159,6 +149,6 @@ void Connection::onRecvData(const boost::system::error_code& error)
     /*m_inputMessage.reset();
     boost::asio::async_read(m_socket,
                             boost::asio::buffer(m_inputMessage.getBuffer(), InputMessage::HEADER_LENGTH),
-                            boost::bind(&Connection::onRecvHeader, shared_from_this(), boost::asio::placeholders::error));*/
+                            std::bind(&Connection::onRecvHeader, shared_from_this(), std::placeholders::_1));*/
 
 }
diff --git a/src/framework/net/connection.h b/src/framework/net/connection.h
index 22140d27..af5e237a 100644
--- a/src/framework/net/connection.h
+++ b/src/framework/net/connection.h
@@ -31,19 +31,18 @@
 #include <net/outputmessage.h>
 
 #include <boost/asio.hpp>
-#include <boost/function.hpp>
 
-typedef boost::function<void(boost::system::error_code&)> ErrorCallback;
-typedef boost::function<void(InputMessage*)> RecvCallback;
+typedef std::function<void(boost::system::error_code&)> ErrorCallback;
+typedef std::function<void(InputMessage*)> RecvCallback;
 
-class Connection : public boost::enable_shared_from_this<Connection>, boost::noncopyable
+class Connection : public std::enable_shared_from_this<Connection>, boost::noncopyable
 {
 public:
     Connection();
 
     static void poll();
 
-    void connect(const std::string& host, uint16 port, const boost::function<void()>& connectCallback);
+    void connect(const std::string& host, uint16 port, const std::function<void()>& connectCallback);
     void send(OutputMessage *outputMessage);
 
     void setErrorCallback(const ErrorCallback& errorCallback) { m_errorCallback = errorCallback; }
@@ -66,7 +65,7 @@ public:
 private:
     ErrorCallback m_errorCallback;
     RecvCallback m_recvCallback;
-    boost::function<void()> m_connectCallback;
+    std::function<void()> m_connectCallback;
     ConnectionState_t m_connectionState;
 
     boost::asio::deadline_timer m_timer;
@@ -76,6 +75,6 @@ private:
 
 };
 
-typedef boost::shared_ptr<Connection> ConnectionPtr;
+typedef std::shared_ptr<Connection> ConnectionPtr;
 
 #endif
diff --git a/src/framework/net/protocol.cpp b/src/framework/net/protocol.cpp
index aa9c9da9..fd16055b 100644
--- a/src/framework/net/protocol.cpp
+++ b/src/framework/net/protocol.cpp
@@ -29,12 +29,12 @@
 Protocol::Protocol() :
         m_connection(new Connection)
 {
-    m_connection->setErrorCallback(boost::bind(&Protocol::onError, this, _1));
-    m_connection->setRecvCallback(boost::bind(&Protocol::onRecv, this, _1));
+    m_connection->setErrorCallback(std::bind(&Protocol::onError, this, std::placeholders::_1));
+    m_connection->setRecvCallback(std::bind(&Protocol::onRecv, this, std::placeholders::_1));
     m_xteaEncryptionEnabled = false;
 }
 
-void Protocol::connect(const std::string& host, uint16 port, const boost::function<void()>& callback)
+void Protocol::connect(const std::string& host, uint16 port, const std::function<void()>& callback)
 {
     m_connection->connect(host, port, callback);
 }
diff --git a/src/framework/net/protocol.h b/src/framework/net/protocol.h
index 317bbf0a..3a6d86ef 100644
--- a/src/framework/net/protocol.h
+++ b/src/framework/net/protocol.h
@@ -28,7 +28,7 @@
 #include <net/connection.h>
 #include <net/inputmessage.h>
 #include <net/outputmessage.h>
-#include <script/scriptobject.h>
+#include <script/luaobject.h>
 
 #define CIPSOFT_PUBLIC_RSA "1321277432058722840622950990822933849527763264961655079678763618" \
                            "4334395343554449668205332383339435179772895415509701210392836078" \
@@ -38,18 +38,18 @@
 
 //#define RSA "109120132967399429278860960508995541528237502902798129123468757937266291492576446330739696001110603907230888610072655818825358503429057592827629436413108566029093628212635953836686562675849720620786279431090218017681061521755056710823876476444260558147179707119674283982419152118103759076030616683978566631413"
 
-class Protocol : public ScriptObject
+class Protocol : public LuaObject
 {
 public:
     Protocol();
 
-    void connect(const std::string& host, uint16 port, const boost::function<void()>& callback);
+    void connect(const std::string& host, uint16 port, const std::function<void()>& callback);
     void send(OutputMessage *outputMessage);
 
     virtual void onRecv(InputMessage *inputMessage);
     virtual void onError(const boost::system::error_code& err);
 
-    virtual const char *getScriptObjectType() const { return "Protocol"; }
+    virtual const char* getLuaTypeName() const { return "Protocol"; }
 
 protected:
     uint32 m_xteaKey[4];
@@ -63,6 +63,6 @@ private:
     ConnectionPtr m_connection;
 };
 
-typedef boost::shared_ptr<Protocol> ProtocolPtr;
+typedef std::shared_ptr<Protocol> ProtocolPtr;
 
 #endif
diff --git a/src/framework/net/rsa.h b/src/framework/net/rsa.h
index 89cc8cfb..8416e1f1 100644
--- a/src/framework/net/rsa.h
+++ b/src/framework/net/rsa.h
@@ -44,6 +44,6 @@ protected:
     mpz_t m_p, m_q, m_u, m_d, m_dp, m_dq, m_mod;
 };
 
-typedef boost::shared_ptr<Rsa> RsaPtr;
+typedef std::shared_ptr<Rsa> RsaPtr;
 
 #endif //RSA_H
\ No newline at end of file
diff --git a/src/framework/script/luabinder.h b/src/framework/script/luabinder.h
new file mode 100644
index 00000000..6b05a42d
--- /dev/null
+++ b/src/framework/script/luabinder.h
@@ -0,0 +1,191 @@
+#ifndef LUABINDER_H
+#define LUABINDER_H
+
+#include "luavalue.h"
+#include "luastate.h"
+
+namespace luabinder
+{
+    // transform const T& -> T
+    template<typename T>
+    struct remove_const_ref {
+        typedef typename std::remove_const<typename std::remove_reference<T>::type>::type type;
+    };
+
+    // pack an value into tuple recursively
+    template<int N>
+    struct pack_values_into_tuple {
+        template<typename Tuple>
+        static void call(Tuple& tuple, LuaState* lua) {
+            typedef typename std::tuple_element<N-1, Tuple>::type ValueType;
+            std::get<N-1>(tuple) = safe_luavalue_cast<ValueType>(lua->popValue());
+            pack_values_into_tuple<N-1>::call(tuple, lua);
+        }
+    };
+    template<>
+    struct pack_values_into_tuple<0> {
+        template<typename Tuple>
+        static void call(Tuple &tuple, LuaState* lua) { }
+    };
+
+    // call function
+    template<typename Ret, typename F, typename... Args>
+    typename std::enable_if<!std::is_void<Ret>::value, int>::type
+    call_fun_and_push_result(const F& f, LuaState* lua, Args... args) {
+        Ret ret = f(args...);
+        lua->pushValue(safe_to_luavalue(ret));
+        return 1;
+    }
+
+    // call function with no return
+    template<typename Ret, typename F, typename... Args>
+    typename std::enable_if<std::is_void<Ret>::value, int>::type
+    call_fun_and_push_result(const F& f, LuaState* lua, Args... args) {
+        f(args...);
+        return 0;
+    }
+
+    // expand function arguments for calling
+    template<int N, typename Ret>
+    struct expand_fun_arguments {
+        template<typename Tuple, typename F, typename... Args>
+        static int call(const Tuple& tuple, const F& f, LuaState* lua, Args... args) {
+            return expand_fun_arguments<N-1,Ret>::call(tuple, f, lua, std::cref(std::get<N-1>(tuple)), args...);
+        }
+    };
+    template<typename Ret>
+    struct expand_fun_arguments<0,Ret> {
+        template<typename Tuple, typename F, typename... Args>
+        static int call(const Tuple& tuple, const F& f, LuaState* lua, Args... args) {
+            return call_fun_and_push_result<Ret>(f, lua, args...);
+        }
+    };
+
+    // bind different types of functions
+    template<typename Ret, typename F, typename Tuple>
+    LuaCppFunction bind_fun_specializer(const F& f) {
+        enum { N = std::tuple_size<Tuple>::value };
+        return [=](LuaState* lua) {
+            if(lua->stackSize() != N)
+                throw LuaBadNumberOfArgumentsException(N, lua->stackSize());
+            Tuple tuple;
+            pack_values_into_tuple<N>::call(tuple, lua);
+            return expand_fun_arguments<N,Ret>::call(tuple, f, lua);
+        };
+    }
+
+    // bind a std::function
+    template<typename Ret, typename... Args>
+    LuaCppFunction bind_fun(const std::function<Ret(Args...)>& f) {
+        typedef typename std::tuple<typename remove_const_ref<Args>::type...> Tuple;
+        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+                                    decltype(f),
+                                    Tuple>(f);
+    }
+
+    // bind a custumized function
+    inline
+    LuaCppFunction bind_fun(const std::function<int(LuaState*)>& f) {
+        return f;
+    }
+
+    // convert to std::function then bind
+    template<typename Ret, typename... Args>
+    LuaCppFunction bind_fun(Ret (*f)(Args...)) {
+        return bind_fun(std::function<Ret(Args...)>(f));
+    }
+
+    // a tuple_element that works with the next algorithm
+    template<std::size_t __i, typename _Tp>
+        struct tuple_element;
+    template<std::size_t __i, typename _Head, typename... _Tail>
+        struct tuple_element<__i, std::tuple<_Head, _Tail...> >
+        : tuple_element<__i - 1, std::tuple<_Tail...> > { };
+    template<typename _Head, typename... _Tail>
+        struct tuple_element<0, std::tuple<_Head, _Tail...> > { typedef _Head type; };
+    template<typename _Head>
+        struct tuple_element<-1,std::tuple<_Head>> { typedef void type; };
+    template<std::size_t __i>
+        struct tuple_element<__i,std::tuple<>> { typedef void type; };
+
+    // rebind functions already binded by std::bind that have placeholders
+    template<typename Enable, int N, typename ArgsTuple, typename HoldersTuple, typename... Args>
+    struct get_holded_tuple;
+
+    template<int N, typename ArgsTuple, typename HoldersTuple, typename... Args>
+    struct get_holded_tuple<typename std::enable_if<(N > 0 && std::is_placeholder<typename tuple_element<N-1, HoldersTuple>::type>::value > 0), void>::type, N, ArgsTuple, HoldersTuple, Args...> {
+        typedef typename std::tuple_element<N-1, HoldersTuple>::type holder_type;
+        typedef typename tuple_element<std::is_placeholder<holder_type>::value-1, ArgsTuple>::type _arg_type;
+        typedef typename remove_const_ref<_arg_type>::type arg_type;
+        typedef typename get_holded_tuple<void, N-1, ArgsTuple, HoldersTuple, arg_type, Args...>::type type;
+    };
+    template<int N, typename ArgsTuple, typename HoldersTuple, typename... Args>
+    struct get_holded_tuple<typename std::enable_if<(N > 0 && std::is_placeholder<typename tuple_element<N-1, HoldersTuple>::type>::value == 0), void>::type, N, ArgsTuple, HoldersTuple, Args...> {
+        typedef typename get_holded_tuple<void, N-1, ArgsTuple, HoldersTuple, Args...>::type type;
+    };
+    template<typename ArgsTuple, typename HoldersTuple, typename... Args>
+    struct get_holded_tuple<void, 0, ArgsTuple, HoldersTuple, Args...> {
+        typedef typename std::tuple<Args...> type;
+    };
+
+    template<typename Ret, typename... Args, typename... Holders>
+    LuaCppFunction bind_fun(const std::_Bind<Ret (*(Holders...))(Args...)>& f) {
+        typedef typename std::tuple<Args...> ArgsTuple;
+        typedef typename std::tuple<Holders...> HoldersTuple;
+        typedef typename get_holded_tuple<void, sizeof...(Holders), ArgsTuple, HoldersTuple>::type Tuple;
+        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+                                    decltype(f),
+                                    Tuple>(f);
+    }
+
+    template<typename Obj, typename Ret, typename... Args, typename... Holders>
+    LuaCppFunction bind_fun(const std::_Bind<std::_Mem_fn<Ret (Obj::*)(Args...)>(Obj*, Holders...)>& f) {
+        typedef typename std::tuple<Args...> ArgsTuple;
+        typedef typename std::tuple<Holders...> HoldersTuple;
+        typedef typename get_holded_tuple<void, sizeof...(Holders), ArgsTuple, HoldersTuple>::type Tuple;
+        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+                                    decltype(f),
+                                    Tuple>(f);
+    }
+
+    // custumized functions already binded by std::bind doesn't need to be bind again
+    template<typename Obj>
+    LuaCppFunction bind_fun(const std::_Bind<std::_Mem_fn<int (Obj::*)(LuaState*)>(Obj*, std::_Placeholder<1>)>& f) {
+        return f;
+    }
+    inline
+    LuaCppFunction bind_fun(const std::_Bind<int (*(std::_Placeholder<1>))(LuaState*)>& f) {
+        return f;
+    }
+
+    // bind member function
+    template<typename Ret, typename Obj, typename... Args>
+    LuaCppFunction bind_mem_fun(Ret (Obj::*f)(Args...)) {
+        auto mf = std::mem_fn(f);
+        typedef typename std::tuple<Obj*, typename remove_const_ref<Args>::type...> Tuple;
+        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+                                    decltype(mf),
+                                    Tuple>(mf);
+    }
+    template<typename Ret, typename Obj, typename... Args>
+    LuaCppFunction bind_mem_fun(Ret (Obj::*f)(Args...) const) {
+        auto mf = std::mem_fn(f);
+        typedef typename std::tuple<Obj*, typename remove_const_ref<Args>::type...> Tuple;
+        return bind_fun_specializer<typename remove_const_ref<Ret>::type,
+                                    decltype(mf),
+                                    Tuple>(mf);
+    }
+
+    // bind custumized member function
+    template<typename Obj>
+    LuaCppFunction bind_mem_fun(int (Obj::*f)(LuaState*)) {
+        auto mf = std::mem_fn(f);
+        return [=](LuaState* lua) {
+            lua->insert(1);
+            auto obj = safe_luavalue_cast<Obj*>(lua->popValue());
+            return mf(obj, lua);
+        };
+    }
+}
+
+#endif // LUABINDER_H
diff --git a/src/framework/script/luadeclarations.h b/src/framework/script/luadeclarations.h
new file mode 100644
index 00000000..522b95e6
--- /dev/null
+++ b/src/framework/script/luadeclarations.h
@@ -0,0 +1,19 @@
+#ifndef LUADECLARATIONS_H
+#define LUADECLARATIONS_H
+
+#include <global.h>
+
+class LuaInterface;
+class LuaState;
+class LuaValue;
+class LuaObject;
+
+typedef std::function<int(LuaState*)> LuaCppFunction;
+
+typedef std::shared_ptr<LuaCppFunction> LuaCppFunctionPtr;
+typedef std::shared_ptr<LuaValue> LuaValuePtr;
+typedef std::shared_ptr<LuaObject> LuaObjectPtr;
+
+typedef std::vector<LuaValuePtr> LuaValueList;
+
+#endif // LUADECLARATIONS_H
diff --git a/src/framework/script/luaexception.cpp b/src/framework/script/luaexception.cpp
new file mode 100644
index 00000000..d80fc8c6
--- /dev/null
+++ b/src/framework/script/luaexception.cpp
@@ -0,0 +1,39 @@
+#include "luaexception.h"
+#include "luainterface.h"
+
+LuaException::LuaException(const std::string& error, int traceLevel)
+{
+    generateLuaErrorMessage(error, traceLevel);
+}
+
+void LuaException::generateLuaErrorMessage(const std::string& error, int traceLevel)
+{
+    // clear stack, to prevent further errors
+    g_lua.clearStack();
+
+    // append trace level to error message
+    if(traceLevel >= 0)
+        m_what = make_string("LUA ERROR: ", g_lua.getTraceback(error, traceLevel));
+    else
+        m_what = make_string("LUA ERROR: ", error);
+}
+
+LuaBadNumberOfArgumentsException::LuaBadNumberOfArgumentsException(int expected, int got)
+{
+    std::string error = "attempt to call a function with wrong number of arguments";
+    if(expected >= 0 && got >= 0)
+        error = make_string(error, " (expected ", expected, ", but got ", got, ")");
+    generateLuaErrorMessage(error, 1);
+}
+
+LuaBadTypeConversinException::LuaBadTypeConversinException(const std::string& typeName)
+{
+    std::string error = make_string("attempt to convert ", typeName, " to a lua value");
+    generateLuaErrorMessage(error, 0);
+}
+
+LuaBadValueCastException::LuaBadValueCastException(const LuaValuePtr& value, const std::string& typeName)
+{
+    std::string error = make_string("attempt to cast a ", value->getTypeName(), " lua value to ", typeName);
+    generateLuaErrorMessage(error, 0);
+}
diff --git a/src/framework/script/luaexception.h b/src/framework/script/luaexception.h
new file mode 100644
index 00000000..138e76ca
--- /dev/null
+++ b/src/framework/script/luaexception.h
@@ -0,0 +1,38 @@
+#ifndef LUAEXCEPTION_H
+#define LUAEXCEPTION_H
+
+#include "luadeclarations.h"
+
+/// LuaException, all lua errors are throwed by it
+class LuaException : public std::exception
+{
+public:
+    LuaException(const std::string& error, int traceLevel = -1);
+    virtual ~LuaException() throw() { };
+
+    void generateLuaErrorMessage(const std::string& error, int traceLevel);
+
+    virtual const char* what() const throw() { return m_what.c_str(); }
+
+protected:
+    LuaException() { }
+
+    std::string m_what;
+};
+
+class LuaBadNumberOfArgumentsException : public LuaException {
+public:
+    LuaBadNumberOfArgumentsException(int expected = -1, int got = -1);
+};
+
+class LuaBadTypeConversinException : public LuaException {
+public:
+    LuaBadTypeConversinException(const std::string& typeName = "an incompatible lua type");
+};
+
+class LuaBadValueCastException : public LuaException {
+public:
+    LuaBadValueCastException(const LuaValuePtr& value, const std::string& typeName = "an incompatible lua type");
+};
+
+#endif
diff --git a/src/framework/script/luafunctions.cpp b/src/framework/script/luafunctions.cpp
new file mode 100644
index 00000000..d225d2ae
--- /dev/null
+++ b/src/framework/script/luafunctions.cpp
@@ -0,0 +1,54 @@
+#include "luainterface.h"
+#include <core/engine.h>
+#include <ui/ui.h>
+#include "../../protocollogin.h"
+
+void LuaInterface::registerFunctions()
+{
+    g_lua.bindGlobalFunction("exit", std::bind(&Engine::stop, &g_engine));
+    g_lua.bindGlobalFunction("loadUI", std::bind(&UILoader::loadFromFile, &g_uiLoader, std::placeholders::_1, std::placeholders::_2));
+    g_lua.setGlobal("rootUI", safe_to_luavalue(UIContainer::getRoot()));
+
+    g_lua.registerClass("UIElement");
+    g_lua.bindClassStaticFunction("UIElement", "new", &UIElement::create);
+    g_lua.bindClassMemberField("UIElement", "id", &UIElement::getId, &UIElement::setId);
+    g_lua.bindClassMemberField("UIElement", "enabled", &UIElement::isEnabled, &UIElement::setEnabled);
+    g_lua.bindClassMemberField("UIElement", "visible", &UIElement::isVisible, &UIElement::setVisible);
+    g_lua.bindClassMemberField("UIElement", "focused", &UIElement::isFocused, &UIElement::setFocused);
+    g_lua.bindClassMemberField("UIElement", "width", &UIElement::getWidth, &UIElement::setWidth);
+    g_lua.bindClassMemberField("UIElement", "height", &UIElement::getHeight, &UIElement::setHeight);
+    g_lua.bindClassMemberField("UIElement", "parent", &UIElement::getParent, &UIElement::setParent);
+    g_lua.bindClassMemberFunction("UIElement", "setLocked", &UIElement::setLocked);
+    //g_lua.bindClassMemberFunction("UIElement", "setMargin", &UIElement::luaSetMargin);
+    g_lua.bindClassMemberFunction("UIElement", "destroy", &UIElement::destroyLater);
+    g_lua.bindClassMemberFunction("UIElement", "centerIn", &UIElement::centerIn);
+    g_lua.bindClassMemberFunction("UIElement", "addAnchor", &UIElement::addAnchor);
+
+    g_lua.registerClass("UIContainer", "UIElement");
+    g_lua.bindClassStaticFunction("UIContainer", "create", &UIContainer::create);
+    g_lua.bindClassMemberFunction("UIContainer", "getChild", &UIContainer::getChildById);
+    //g_lua.bindClassMemberFunction("UIContainer", "children", &UIContainer::getChildren);
+    g_lua.bindClassMemberFunction("UIContainer", "addChild", &UIContainer::addChild);
+
+    g_lua.registerClass("UILabel", "UIElement");
+    g_lua.bindClassStaticFunction("UILabel", "create", &UILabel::create);
+    g_lua.bindClassMemberField("UILabel", "text", &UILabel::getText, &UILabel::setText);
+
+    g_lua.registerClass("UIButton", "UIElement");
+    g_lua.bindClassStaticFunction("UIButton", "create", &UIButton::create);
+    g_lua.bindClassMemberField("UIButton", "text", &UIButton::getText, &UIButton::setText);
+
+    g_lua.registerClass("UITextEdit", "UIElement");
+    g_lua.bindClassStaticFunction("UITextEdit", "create", &UITextEdit::create);
+    g_lua.bindClassMemberField("UITextEdit", "text", &UITextEdit::getText, &UITextEdit::setText);
+
+    g_lua.registerClass("UIWindow", "UIContainer");
+    g_lua.bindClassStaticFunction("UIWindow", "create", &UIWindow::create);
+    g_lua.bindClassMemberField("UIWindow", "title", &UIWindow::getTitle, &UIWindow::setTitle);
+
+    g_lua.registerClass("Protocol");
+    g_lua.registerClass("ProtocolLogin", "Protocol");
+    g_lua.bindClassStaticFunction("ProtocolLogin", "create", &ProtocolLogin::create);
+    g_lua.bindClassMemberFunction("ProtocolLogin", "login", &ProtocolLogin::login);
+    g_lua.bindClassMemberFunction("ProtocolLogin", "cancel", &ProtocolLogin::cancel);
+}
diff --git a/src/framework/script/luainterface.cpp b/src/framework/script/luainterface.cpp
new file mode 100644
index 00000000..3f6db4f4
--- /dev/null
+++ b/src/framework/script/luainterface.cpp
@@ -0,0 +1,235 @@
+#include "luainterface.h"
+
+LuaInterface g_lua;
+
+void LuaInterface::init()
+{
+    // installs a custom loader that will load scripts correctlyfrom lua require keyword
+    auto loaders = getGlobal("package")->getField("loaders");
+    loaders->setTable(loaders->getTableSize() + 1, createCppFunction(&LuaInterface::luaScriptLoader));
+
+    // register LuaObject, the class that all other classes will derive from
+    registerClass("LuaObject");
+    bindClassMemberGetField("LuaObject", "use_count", &LuaObject::getUseCount);
+
+    // register other custom classes and functions
+    registerFunctions();
+}
+
+void LuaInterface::terminate()
+{
+    collectGarbage();
+}
+
+LuaValuePtr LuaInterface::loadFunction(const std::string& buffer, const std::string& source)
+{
+    LuaValuePtr func;
+    // get the function contained the buffer
+    if(boost::starts_with(buffer, "function")) {
+        runBuffer(make_string("__func = ", buffer), source);
+        func = getGlobal("__func");
+        setGlobal("__func", createNil());
+    // use the buffer as a function
+    } else
+        func = loadBuffer(buffer, source);
+    return func;
+}
+
+LuaValuePtr LuaInterface::evaluateExpression(const std::string& expression, const std::string& source)
+{
+    // run the expression
+    std::string buffer = make_string("__exp = (", expression, ")");
+    runBuffer(buffer, source);
+
+    // get the expression result
+    LuaValuePtr res = getGlobal("__exp");
+    setGlobal("__exp", createNil());
+    return res;
+}
+
+LuaValuePtr LuaInterface::createEnvironment()
+{
+    // creates a new environment table and
+    // redirect the new environment to the current thread global environment (aka _G)
+    // this allows to access global variables from _G in the new environment
+    // and prevents new variables on the new environment to be set on the global environment
+    auto env = createTable();
+    auto mt = createTable();
+    mt->setField("__index", getGlobalEnvironment());
+    env->setMetatable(mt);
+    return env;
+}
+
+void LuaInterface::registerClass(const std::string& className, const std::string& baseClass)
+{
+    // create the class table (that it is also the class methods table)
+    auto klass = createTable(className);
+    // create the class metatable
+    auto klass_mt = createTable(className + "_mt");
+    // create the class fieldmethods table
+    auto klass_fieldmethods = createTable(className + "_fieldmethods");
+
+    // set metatable metamethods
+    klass_mt->setField("__index", &LuaInterface::luaObjectGetEvent);
+    klass_mt->setField("__newindex", &LuaInterface::luaObjectSetEvent);
+    klass_mt->setField("__eq", &LuaInterface::luaObjectEqualEvent);
+    klass_mt->setField("__gc", &LuaInterface::luaObjectCollectEvent);
+    klass_mt->setField("methods", klass);
+    klass_mt->setField("fieldmethods", klass_fieldmethods);
+
+    // redirect methods and fieldmethods to the base class ones
+    if(!className.empty() && className != "LuaObject") {
+        /* the following code what create classes hierarchy for lua, by reproducing the following:
+         * DerivedClass = { __index = BaseClass }
+         * DerivedClass_fieldmethods = { __index = BaseClass_methods }
+         */
+
+        // redirect the class methods to the base methods
+        auto redirect = createTable();
+        auto tmp = getGlobal(baseClass);
+        redirect->setField("__index", tmp);
+        klass->setMetatable(redirect);
+
+        // redirect the class fieldmethods to the base fieldmethods
+        redirect = createTable();
+        tmp = getGlobal(baseClass + "_fieldmethods");
+        redirect->setField("__index", tmp);
+        klass_fieldmethods->setMetatable(redirect);
+    }
+}
+
+void LuaInterface::registerClassStaticFunction(const std::string& className, const std::string& functionName, const LuaCppFunction& function)
+{
+    registerClassMemberFunction(className, functionName, function);
+}
+
+void LuaInterface::registerClassMemberFunction(const std::string& className, const std::string& functionName, const LuaCppFunction& function)
+{
+    auto table = getGlobal(className);
+    table->setField(functionName, function);
+}
+
+void LuaInterface::registerClassMemberField(const std::string& className, const std::string& field, const LuaCppFunction& getFunction, const LuaCppFunction& setFunction)
+{
+    auto fieldmethods = getGlobal(className + "_fieldmethods");
+    auto methods = getGlobal(className);
+    auto capitalized = field;
+    capitalized[0] = std::toupper(field[0]);
+
+    if(getFunction) {
+        auto func = createCppFunction(getFunction);
+        fieldmethods->setField(make_string("get_", field), func);
+        methods->setField(make_string("get", capitalized), func);
+    }
+
+    if(setFunction) {
+        auto func = createCppFunction(setFunction);
+        fieldmethods->setField(make_string("set_", field), func);
+        methods->setField(make_string("set", capitalized), func);
+    }
+}
+
+void LuaInterface::registerGlobalFunction(const std::string& functionName, const LuaCppFunction& function)
+{
+    setGlobal(functionName, createCppFunction(function));
+}
+
+int LuaInterface::luaScriptLoader(LuaState* lua)
+{
+    // load the script as a function
+    auto fileName = make_string(lua->popValue()->toString(), + ".lua");
+    auto scriptMain = lua->loadScript(fileName);
+    lua->pushValue(scriptMain);
+    return 1;
+}
+
+int LuaInterface::luaObjectGetEvent(LuaState* lua)
+{
+    // metamethod that will retrive fields values (that include functions) from the object
+
+    auto key = lua->popValue()->toString();
+    auto objRef = lua->popValue();
+    auto obj = safe_luavalue_cast<LuaObjectPtr>(objRef);
+
+    // if a get method for this key exists, calls it
+    auto get_method = objRef->getMetatable()->getField("fieldmethods")->getField("get_" + key);
+    if(!get_method->isNil()) {
+        LuaValueList rets = get_method->call(make_string(obj->getLuaTypeName(), " obj.", key), objRef);
+        assert(rets.size() == 1);
+        lua->pushValues(rets);
+        return 1;
+    }
+
+    // if the field for this key exists, returns it
+    auto field = obj->getField(key);
+    if(!field->isNil()) {
+        lua->pushValue(field);
+        return 1;
+    }
+
+    // if a method for this key exists, returns it
+    auto method = objRef->getMetatable()->getField("methods")->getField(key);
+    lua->pushValue(method);
+    return 1;
+}
+
+int LuaInterface::luaObjectSetEvent(LuaState* lua)
+{
+    // this metamethod is called when setting a field of the object by using the keyword '='
+
+    auto value = lua->popValue();
+    auto key = lua->popValue()->toString();
+    auto objRef = lua->popValue();
+    auto obj = safe_luavalue_cast<LuaObjectPtr>(objRef);
+
+    // check if a set method for this field exists and call it
+    auto set_method = objRef->getMetatable()->getField("fieldmethods")->getField("set_" + key);
+    if(!set_method->isNil()) {
+        set_method->call(make_string(obj->getLuaTypeName(), " obj.", key, "="), objRef, value);
+        return 0;
+    }
+
+    // no set method exists, then sets the object table
+    obj->setField(key, value);
+    return 0;
+}
+
+int LuaInterface::luaObjectEqualEvent(LuaState* lua)
+{
+    // metamethod that will check equality of objects
+
+    auto objRef2 = lua->popValue();
+    auto objRef1 = lua->popValue();
+    bool ret = false;
+
+    // check if obj1 == obj2
+    if(objRef1->isUserdata() && objRef2->isUserdata()) {
+        LuaObjectPtr* objPtr1 = static_cast<LuaObjectPtr*>(objRef1->toUserdata());
+        LuaObjectPtr* objPtr2 = static_cast<LuaObjectPtr*>(objRef2->toUserdata());
+        assert(objPtr1 && objPtr2);
+        if(*objPtr1 == *objPtr2)
+            ret = true;
+    }
+
+    lua->pushBoolean(ret);
+    return 1;
+}
+
+int LuaInterface::luaObjectCollectEvent(LuaState* lua)
+{
+    /* this metamethod is called every two lua garbage collections
+     * for any LuaObject that have no references left in lua environment
+     * anymore, thus this creates the possibility of holding an object
+     * existence by lua
+     */
+
+    // get object pointer
+    auto objRef = lua->popValue();
+    auto objPtr = static_cast<LuaObjectPtr*>(objRef->toUserdata());
+    assert(objPtr);
+
+    // reset pointer to decrease object use count
+    objPtr->reset();
+    return 0;
+}
+
diff --git a/src/framework/script/luainterface.h b/src/framework/script/luainterface.h
new file mode 100644
index 00000000..dea2e4e9
--- /dev/null
+++ b/src/framework/script/luainterface.h
@@ -0,0 +1,73 @@
+#ifndef LUAINTERFACE_H
+#define LUAINTERFACE_H
+
+#include "luabinder.h"
+#include "luaobject.h"
+
+class LuaInterface : public LuaState
+{
+public:
+    void init();
+    void terminate();
+
+    /// Load a function from buffef into a LuaValue
+    LuaValuePtr loadFunction(const std::string& buffer, const std::string& source = "lua function buffer");
+
+    /// Evaluate a lua expression to a LuaValue
+    LuaValuePtr evaluateExpression(const std::string& expression, const std::string& source = "lua expression");
+
+    LuaValuePtr createEnvironment();
+
+    /// Register core script functions
+    void registerFunctions();
+
+    // methods for registring classes and functions
+    void registerClass(const std::string& className, const std::string& baseClass = "LuaObject");
+    void registerClassStaticFunction(const std::string& className, const std::string& functionName, const LuaCppFunction& function);
+    void registerClassMemberFunction(const std::string& className, const std::string& functionName, const LuaCppFunction& function);
+    void registerClassMemberField(const std::string& className, const std::string& field, const LuaCppFunction& getFunction, const LuaCppFunction& setFunction);
+    void registerGlobalFunction(const std::string& functionName, const LuaCppFunction& function);
+
+    // methods for binding functions
+    template<typename F>
+    void bindClassStaticFunction(const std::string& className, const std::string& functionName, const F& function) {
+        registerClassStaticFunction(className, functionName, luabinder::bind_fun(function));
+    }
+
+    template<class C, typename F>
+    void bindClassMemberFunction(const std::string& className, const std::string& functionName, F C::*function) {
+        registerClassMemberFunction(className, functionName, luabinder::bind_mem_fun(function));
+    }
+
+    template<class C, typename F1, typename F2>
+    void bindClassMemberField(const std::string& className, const std::string& fieldName, F1 C::*getFunction, F2 C::*setFunction) {
+        registerClassMemberField(className, fieldName, luabinder::bind_mem_fun(getFunction), luabinder::bind_mem_fun(setFunction));
+    }
+
+    template<class C, typename F>
+    void bindClassMemberGetField(const std::string& className, const std::string& fieldName, F C::*getFunction) {
+        registerClassMemberField(className, fieldName, luabinder::bind_mem_fun(getFunction), LuaCppFunction());
+    }
+
+    template<class C, typename F>
+    void bindClassMemberSetField(const std::string& className, const std::string& fieldName, F C::*setFunction) {
+        registerClassMemberField(className, fieldName, LuaCppFunction(), luabinder::bind_mem_fun(setFunction));
+    }
+
+    template<typename F>
+    void bindGlobalFunction(const std::string& functionName, const F& function) {
+        registerGlobalFunction(functionName, luabinder::bind_fun(function));
+    }
+
+private:
+    // installed lua callbacks by this interface
+    static int luaScriptLoader(LuaState* lua);
+    static int luaObjectGetEvent(LuaState* lua);
+    static int luaObjectSetEvent(LuaState* lua);
+    static int luaObjectEqualEvent(LuaState* lua);
+    static int luaObjectCollectEvent(LuaState* lua);
+};
+
+extern LuaInterface g_lua;
+
+#endif // LUAINTERFACE_H
diff --git a/src/framework/script/luaobject.cpp b/src/framework/script/luaobject.cpp
new file mode 100644
index 00000000..9d104121
--- /dev/null
+++ b/src/framework/script/luaobject.cpp
@@ -0,0 +1,24 @@
+#include "luaobject.h"
+#include "luainterface.h"
+
+LuaObject::LuaObject()
+{
+    // creates own table
+    m_luaTable = g_lua.createTable();
+}
+
+LuaObject::~LuaObject()
+{
+
+}
+
+LuaValuePtr LuaObject::toLuaValue()
+{
+    // fills a new userdata with a new LuaObject pointer
+    new(g_lua.newUserdata(sizeof(LuaObjectPtr))) LuaObjectPtr(shared_from_this());
+
+    // set the metatable for the userdata
+    g_lua.setMetatable(make_string(getLuaTypeName(), "_mt"));
+
+    return g_lua.popValue();
+}
diff --git a/src/framework/script/luaobject.h b/src/framework/script/luaobject.h
new file mode 100644
index 00000000..ac429b9f
--- /dev/null
+++ b/src/framework/script/luaobject.h
@@ -0,0 +1,50 @@
+#ifndef LUAOBJECT_H
+#define LUAOBJECT_H
+
+#include "luavalue.h"
+
+/// LuaObject, all bound classes must be derived from it
+class LuaObject : public std::enable_shared_from_this<LuaObject>
+{
+public:
+    LuaObject();
+    virtual ~LuaObject();
+
+    /// Call a field of this lua object
+    template<typename... T>
+    LuaValueList callField(const std::string& field, const T&... args) {
+        // note that we must retrive the field from or lua value (to use the __index metamethod)
+        // so we cannot use our getField here
+        auto fieldFunc = toLuaValue()->getField(field);
+        auto funcName = make_string(getLuaTypeName(), ":", field);
+        return fieldFunc->call(funcName, shared_from_this(), args...);
+    }
+
+    /// Set a field of this lua object
+    template<typename T>
+    void setField(const std::string& key, const T& value) {
+        m_luaTable->setField(key, value);
+    }
+
+    /// Get a field of this lua object
+    LuaValuePtr getField(const std::string& key) {
+        return m_luaTable->getField(key);
+    }
+
+    /// Returns current use count by the shared_ptr
+    int getUseCount() { return shared_from_this().use_count() - 1; }
+
+    /// Class name used in lua, must be overridden by derived classes
+    virtual const char* getLuaTypeName() const = 0;
+
+    /** Convert to a lua value for pushing this object into lua stack.
+     * Each call to this will create a new pointer, thus increasing the use count.*/
+    LuaValuePtr toLuaValue();
+
+    LuaObjectPtr asLuaObject() { return shared_from_this(); }
+
+private:
+    LuaValuePtr m_luaTable;
+};
+
+#endif // LUAOBJECT_H
diff --git a/src/framework/script/luastate.cpp b/src/framework/script/luastate.cpp
new file mode 100644
index 00000000..e70edb9b
--- /dev/null
+++ b/src/framework/script/luastate.cpp
@@ -0,0 +1,604 @@
+#include "luastate.h"
+#include "luavalue.h"
+
+#include <lua.hpp>
+#include <core/resources.h>
+
+/// Retrive LuaState from L
+LuaState* retriveLuaState(lua_State* L)
+{
+    lua_getfield(L, LUA_REGISTRYINDEX, "LuaStateInstance");
+    auto lua = static_cast<LuaState*>(const_cast<void*>(lua_topointer(L, -1)));
+    lua_pop(L, 1);
+    return lua;
+}
+
+/// Handle errors by protected lua calls (pcall)
+int luaErrorHandler(lua_State* L)
+{
+    // pops the error message
+    auto lua = retriveLuaState(L);
+    auto error = lua->popString();
+
+    // prevents repeated tracebacks
+    if(error.find("stack traceback:") != std::string::npos)
+        error = lua->getTraceback(error, 1);
+
+    // pushes the new error message with traceback information
+    lua->pushString(error);
+    return 1;
+}
+
+/// Handle bound cpp functions callbacks
+int luaCppFunctionCallback(lua_State* L)
+{
+    auto lua = retriveLuaState(L);
+    auto funcPtr = static_cast<LuaCppFunctionPtr*>(lua_touserdata(L, lua_upvalueindex(1)));
+    assert(funcPtr);
+
+    try {
+        return (*(funcPtr->get()))(lua);
+    } catch(LuaException &e) {
+        logError(e.what());
+        return 0;
+    }
+}
+
+/// Free cpp function pointer when it expires
+int luaCppFunctionCallbackPointerExpire(lua_State* L)
+{
+    auto funcPtr = static_cast<LuaCppFunctionPtr*>(lua_touserdata(L, -1));
+    assert(funcPtr);
+    funcPtr->reset();
+    return 0;
+}
+
+LuaState::LuaState() : m_collecting(false)
+{
+    // create lua state
+    L = luaL_newstate();
+    if(!L)
+        throw LuaException("failed to create lua state");
+
+    // load lua standard libraries
+    luaL_openlibs(L);
+
+    // store this into lua
+    pushLightUserdata(this);
+    lua_setfield(L, LUA_REGISTRYINDEX, "LuaStateInstance");
+}
+
+LuaState::~LuaState()
+{
+    // close lua state
+    m_collecting = true;
+    lua_close(L);
+}
+
+void LuaState::collectGarbage()
+{
+    // prevents recursive collects
+    if(!m_collecting) {
+        m_collecting = true;
+
+        // we must collect two times for __gc metamethod be called on uservalues
+        for(int i=0;i<2;++i)
+            lua_gc(L, LUA_GCCOLLECT, 0);
+
+        m_collecting = false;
+    }
+}
+
+LuaValuePtr LuaState::loadBuffer(const std::string& buffer, const std::string& source)
+{
+    // load buffer from lua, the "@" means that the source is a file path, thus lua will
+    // print file paths in tracebacks
+    int ret = luaL_loadbuffer(L, buffer.c_str(), buffer.length(), ("@" + source).c_str());
+    if(ret != 0)
+        throw LuaException(popString(), 0);
+    return popValue();
+}
+
+LuaValuePtr LuaState::loadScript(const std::string &fileName)
+{
+    std::stringstream fin;
+    if(!g_resources.loadFile(fileName, fin))
+        throw LuaException(make_string("failed to open lua script ", g_resources.resolvePath(fileName)), 0);
+    return loadBuffer(fin.str(), g_resources.resolvePath(fileName));
+}
+
+void LuaState::runBuffer(const std::string& buffer, const std::string& source)
+{
+    auto main = loadBuffer(buffer, source);
+    main->call(source);
+}
+
+void LuaState::runScript(const std::string& fileName)
+{
+    auto main = loadScript(fileName);
+    main->call(fileName);
+}
+
+int LuaState::safeCall(const std::string& functionName, int numArgs)
+{
+    assert(hasIndex(-numArgs-1));
+
+    int previousStackSize = stackSize();
+
+    // push error function
+    int errorFuncIndex = previousStackSize - numArgs;
+    lua_pushcfunction(L, luaErrorHandler);
+    insert(errorFuncIndex);
+
+    m_callStack.push_front(functionName);
+
+    // call the func
+    int ret = lua_pcall(L, numArgs, LUA_MULTRET, errorFuncIndex);
+
+    m_callStack.pop_front();
+
+    // pop error func
+    remove(errorFuncIndex);
+
+    if(ret != 0)
+        throw LuaException(popString(), 0);
+
+    // return the number of results
+    return (stackSize() + numArgs + 1) - previousStackSize;
+}
+
+LuaValuePtr LuaState::popValue()
+{
+    assert(hasIndex(-1));
+
+    LuaValuePtr value;
+
+    int refId = ref();
+    if(refId < 0) {
+        // refs < 0 are considered as nil values
+        value = LuaValuePtr(new LuaValue());
+    } else {
+        pushRef(refId);
+        value = LuaValuePtr(new LuaValue(refId));
+        pop();
+    }
+    return value;
+}
+
+LuaValueList LuaState::popValues()
+{
+    int numValues = stackSize();
+    LuaValueList values(numValues);
+    for(int i=numValues-1;i>=0;--i)
+       values[i] = popValue();
+    return values;
+}
+
+void LuaState::pushCppFunction(const LuaCppFunction& func)
+{
+    // create a pointer to func (this pointer will hold the function existence)
+    new(newUserdata(sizeof(LuaCppFunctionPtr))) LuaCppFunctionPtr(new LuaCppFunction(func));
+
+    // set the userdata __gc metamethod
+    newTable();
+    lua_pushcfunction(L, luaCppFunctionCallbackPointerExpire);
+    setField("__gc");
+    setMetatable();
+
+    // pushes the func
+    lua_pushcclosure(L, luaCppFunctionCallback, 1);
+}
+
+void LuaState::pushValue(const LuaValuePtr& value)
+{
+    if(value->isNil())
+        pushNil();
+    else
+        pushRef(value->ref);
+}
+
+void LuaState::pushValues(const LuaValueList& values)
+{
+    foreach(const LuaValuePtr& value, values)
+        pushValue(value);
+}
+
+std::string LuaState::getTraceback(const std::string& errorMessage, int depth)
+{
+    // get traceback from debug.traceback
+    getGlobalField("debug");
+    getField("traceback");
+    remove(-2);
+    pushString(errorMessage);
+    pushInteger(depth);
+    call(2,1);
+    std::string luaTraceback = popString();
+    boost::replace_first(luaTraceback, "stack traceback:", "lua stack traceback:");
+
+    std::stringstream ss;
+    ss << luaTraceback;
+
+    // add application call traceback
+    if(m_callStack.size() > 0) {
+        ss << "\napplication call stack traceback:";
+        foreach(const std::string& func, m_callStack)
+            ss << "\n\t" << func;
+    }
+
+    return ss.str();
+}
+
+std::string LuaState::getCurrentSource()
+{
+    std::string path;
+    int level = 0;
+
+    // get the current running script path
+    LuaValuePtr func;
+    do {
+        func = getStackFunction(level);
+        if(func->isLuaFunction()) {
+            path = getFunctionSource(func);
+            break;
+        }
+        level++;
+    } while(!func->isNil());
+
+    return path;
+}
+
+std::string LuaState::getFunctionSource(LuaValuePtr func)
+{
+    std::string path;
+
+    pushValue(func);
+
+    lua_Debug ar;
+    lua_getinfo(L, ">Sn", &ar);
+    if(ar.source) {
+        path = ar.source;
+        path = path.substr(1, std::string::npos);
+    }
+
+    return path;
+}
+
+LuaValuePtr LuaState::getGlobalEnvironment()
+{
+    lua_pushthread(L);
+    getEnv();
+    remove(-2);
+    return popValue();
+}
+
+void LuaState::setGlobalEnvironment(const LuaValuePtr& env)
+{
+    lua_pushthread(L);
+    pushValue(env);
+    setEnv();
+    pop();
+}
+
+LuaValuePtr LuaState::getStackFunction(int level)
+{
+    // get current stack func
+    lua_Debug ar;
+    if(lua_getstack(L, level, &ar) == 1) {
+        lua_getinfo(L, "f", &ar);
+        return popValue();
+    }
+    return createNil();
+}
+
+std::string LuaState::typeName(int index)
+{
+    assert(hasIndex(index));
+    int type = lua_type(L, index);
+    std::string name = lua_typename(L, type);
+    return name;
+}
+
+int LuaState::ref()
+{
+    return luaL_ref(L, LUA_REGISTRYINDEX);
+}
+
+void LuaState::unref(int ref)
+{
+    if(ref > 0)
+        luaL_unref(L, LUA_REGISTRYINDEX, ref);
+}
+
+void LuaState::call(int numArgs, int numRets)
+{
+    assert(hasIndex(-numArgs - 1));
+    lua_call(L, numArgs, numRets);
+}
+
+void LuaState::insert(int index)
+{
+    assert(hasIndex(index));
+    lua_insert(L, index);
+}
+
+void LuaState::remove(int index)
+{
+    assert(hasIndex(index));
+    lua_remove(L, index);
+}
+
+bool LuaState::next(int index)
+{
+    assert(hasIndex(index));
+    return lua_next(L, index);
+}
+
+void LuaState::copy(int index)
+{
+    assert(hasIndex(index));
+    lua_pushvalue(L, index);
+}
+
+void LuaState::setMetatable(int index)
+{
+    assert(hasIndex(index));
+    lua_setmetatable(L, index);
+}
+
+void LuaState::setMetatable(const std::string& name)
+{
+    assert(hasIndex(-1));
+    getGlobalField(name);
+    setMetatable();
+}
+
+void LuaState::getMetatable(int index)
+{
+    assert(hasIndex(index));
+    lua_getmetatable(L, index);
+}
+
+void LuaState::getField(const std::string& key, int index)
+{
+    assert(hasIndex(index));
+    lua_getfield(L, index, key.c_str());
+}
+
+void LuaState::setField(const std::string& key, int index)
+{
+    assert(hasIndex(index));
+    lua_setfield(L, index, key.c_str());
+}
+
+void LuaState::getEnv(int index)
+{
+    assert(hasIndex(index));
+    lua_getfenv(L, index);
+}
+
+void LuaState::setEnv(int index)
+{
+    assert(hasIndex(index));
+    assert(lua_setfenv(L, index) == 1);
+}
+
+void LuaState::getTable(int index)
+{
+    assert(hasIndex(index));
+    lua_gettable(L, index);
+}
+
+void LuaState::setTable(int index)
+{
+    assert(hasIndex(index));
+    lua_settable(L, index);
+}
+
+void LuaState::getGlobalField(const std::string& key)
+{
+    lua_getglobal(L, key.c_str());
+}
+
+void LuaState::setGlobalField(const std::string& key)
+{
+    assert(hasIndex(-1));
+    lua_setglobal(L, key.c_str());
+}
+
+void LuaState::rawGet(int index)
+{
+    assert(hasIndex(index));
+    lua_rawget(L, index);
+}
+
+void LuaState::rawGeti(int n, int index)
+{
+    assert(hasIndex(index));
+    lua_rawgeti(L, index, n);
+}
+
+void LuaState::rawSet(int index)
+{
+    assert(hasIndex(index));
+    lua_rawset(L, index);
+}
+
+void LuaState::rawSeti(int n, int index)
+{
+    assert(hasIndex(index));
+    lua_rawseti(L, index, n);
+}
+
+void LuaState::newTable()
+{
+    lua_newtable(L);
+}
+
+void* LuaState::newUserdata(int size)
+{
+    return lua_newuserdata(L, size);
+}
+
+void LuaState::pop(int n)
+{
+    assert(hasIndex(-n));
+    lua_pop(L, n);
+}
+
+int LuaState::popInteger()
+{
+    assert(hasIndex(-1));
+    int v = toInteger(-1);
+    pop();
+    return v;
+}
+
+double LuaState::popNumber()
+{
+    assert(hasIndex(-1));
+    double v = toNumber(-1);
+    pop();
+    return v;
+}
+
+bool LuaState::popBoolean()
+{
+    assert(hasIndex(-1));
+    bool v = toBoolean(-1);
+    pop();
+    return v;
+}
+
+std::string LuaState::popString()
+{
+    assert(hasIndex(-1));
+    std::string v = toString(-1);
+    pop();
+    return v;
+}
+
+void* LuaState::popUserdata()
+{
+    assert(hasIndex(-1));
+    void* v = toUserdata(-1);
+    pop();
+    return v;
+}
+
+void LuaState::pushNil()
+{
+    lua_pushnil(L);
+}
+
+void LuaState::pushInteger(int v)
+{
+    lua_pushinteger(L, v);
+}
+
+void LuaState::pushNumber(double v)
+{
+    lua_pushnumber(L, v);
+}
+
+void LuaState::pushBoolean(bool v)
+{
+    lua_pushboolean(L, v);
+}
+
+void LuaState::pushString(const std::string& v)
+{
+    lua_pushstring(L, v.c_str());
+}
+
+void LuaState::pushRef(int ref)
+{
+    lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
+}
+
+void LuaState::pushLightUserdata(void* p)
+{
+    lua_pushlightuserdata(L, p);
+}
+
+bool LuaState::isNil(int index)
+{
+    assert(hasIndex(index));
+    return lua_isnil(L, index);
+}
+
+bool LuaState::isBoolean(int index)
+{
+    assert(hasIndex(index));
+    return lua_isboolean(L, index);
+}
+
+bool LuaState::isNumber(int index)
+{
+    assert(hasIndex(index));
+    return lua_isnumber(L, index);
+}
+
+bool LuaState::isString(int index)
+{
+    assert(hasIndex(index));
+    return lua_isstring(L, index);
+}
+
+bool LuaState::isTable(int index)
+{
+    assert(hasIndex(index));
+    return lua_istable(L, index);
+}
+
+bool LuaState::isFunction(int index)
+{
+    assert(hasIndex(index));
+    return lua_isfunction(L, index);
+}
+
+bool LuaState::isCFunction(int index)
+{
+    assert(hasIndex(index));
+    return lua_iscfunction(L, index);
+}
+
+bool LuaState::isUserdata(int index)
+{
+    assert(hasIndex(index));
+    return lua_isuserdata(L, index);
+}
+
+bool LuaState::toBoolean(int index)
+{
+    assert(hasIndex(index));
+    return (bool)lua_toboolean(L, index);
+}
+
+int LuaState::toInteger(int index)
+{
+    assert(hasIndex(index));
+    return lua_tointeger(L, index);
+}
+
+double LuaState::toNumber(int index)
+{
+    assert(hasIndex(index));
+    return lua_tonumber(L, index);
+}
+
+std::string LuaState::toString(int index)
+{
+    assert(hasIndex(index));
+    return std::string(isString() ? lua_tostring(L, index) : "");
+}
+
+void* LuaState::toUserdata(int index)
+{
+    assert(hasIndex(index));
+    return lua_touserdata(L, index);
+}
+
+int LuaState::stackSize()
+{
+    return lua_gettop(L);
+}
diff --git a/src/framework/script/luastate.h b/src/framework/script/luastate.h
new file mode 100644
index 00000000..37b7c934
--- /dev/null
+++ b/src/framework/script/luastate.h
@@ -0,0 +1,126 @@
+#ifndef LUASTATE_H
+#define LUASTATE_H
+
+#include "luadeclarations.h"
+
+struct lua_State;
+
+class LuaState
+{
+public:
+    LuaState();
+    virtual ~LuaState();
+
+    // high level functions
+    void collectGarbage();
+
+    LuaValuePtr loadBuffer(const std::string& buffer, const std::string& source);
+    LuaValuePtr loadScript(const std::string& fileName);
+    void runBuffer(const std::string& buffer, const std::string& source);
+    void runScript(const std::string& fileName);
+
+    LuaValuePtr getGlobal(const std::string& name) { getGlobalField(name); return popValue(); }
+    void setGlobal(const std::string& name, const LuaValuePtr& value) { pushValue(value); setGlobalField(name); }
+
+    LuaValuePtr createTable() { newTable(); return popValue(); }
+    LuaValuePtr createTable(const std::string& name) { newTable(); copy(); setGlobalField(name); return popValue(); }
+    LuaValuePtr createCppFunction(const LuaCppFunction& v) { pushCppFunction(v); return popValue(); }
+    LuaValuePtr createNil() { pushNil(); return popValue(); }
+    LuaValuePtr createNumber(double v) { pushNumber(v); return popValue(); }
+    LuaValuePtr createInteger(int v) { pushInteger(v); return popValue(); }
+    LuaValuePtr createString(const std::string& v) { pushString(v); return popValue(); }
+    LuaValuePtr createBoolean(bool v) { pushBoolean(v); return popValue(); }
+
+    std::string getTraceback(const std::string& errorMessage = "", int depth = 0);
+    std::string getCurrentSource();
+    std::string getFunctionSource(LuaValuePtr func);
+    LuaValuePtr getStackFunction(int level);
+
+    LuaValuePtr getGlobalEnvironment();
+    void setGlobalEnvironment(const LuaValuePtr& env);
+
+    // low level lua functions
+    std::string typeName(int index = -1);
+
+    int ref();
+    void unref(int ref);
+
+    void call(int numArgs = 0, int numRets = 0);
+    int safeCall(const std::string& functionName, int numArgs = 0);
+
+    void insert(int index);
+    void remove(int index);
+    bool next(int index = -2);
+    void copy(int index = -1);
+
+    void setMetatable(int index = -2);
+    void setMetatable(const std::string& name);
+    void getMetatable(int index = -1);
+
+    void getField(const std::string& key, int index = -1);
+    void setField(const std::string& key, int index = -2);
+
+    void getTable(int index = -2);
+    void setTable(int index = -3);
+
+    void getEnv(int index = -1);
+    void setEnv(int index = -2);
+
+    void getGlobalField(const std::string& key);
+    void setGlobalField(const std::string& key);
+
+    void rawGet(int index = -1);
+    void rawGeti(int n, int index = -1);
+    void rawSet(int index = -3);
+    void rawSeti(int n, int index = -2);
+
+    void newTable();
+    void* newUserdata(int size);
+
+    void pop(int n = 1);
+    int popInteger();
+    double popNumber();
+    bool popBoolean();
+    std::string popString();
+    void* popUserdata();
+    LuaValuePtr popValue();
+    LuaValueList popValues();
+
+    void pushNil();
+    void pushInteger(int v);
+    void pushNumber(double v);
+    void pushBoolean(bool v);
+    void pushString(const std::string& v);
+    void pushRef(int ref);
+    void pushLightUserdata(void* p);
+    void pushCppFunction(const LuaCppFunction& func);
+    void pushValue(const LuaValuePtr& value);
+    void pushValues(const LuaValueList& values);
+
+    bool isNil(int index = -1);
+    bool isBoolean(int index = -1);
+    bool isNumber(int index = -1);
+    bool isString(int index = -1);
+    bool isTable(int index = -1);
+    bool isFunction(int index = -1);
+    bool isCFunction(int index = -1);
+    bool isLuaFunction(int index = -1)  { return (isFunction() && !isCFunction()); }
+    bool isUserdata(int index = -1);
+
+    bool toBoolean(int index = -1);
+    int toInteger(int index = -1);
+    double toNumber(int index = -1);
+    std::string toString(int index = -1);
+    void* toUserdata(int index = -1);
+
+    int stackSize();
+    void clearStack() { pop(stackSize()); }
+    bool hasIndex(int index) { return (stackSize() >= (index < 0 ? -index : index)); }
+
+private:
+    lua_State* L;
+    bool m_collecting;
+    std::deque<std::string> m_callStack;
+};
+
+#endif // LUASTATE_H
diff --git a/src/framework/script/luavalue.cpp b/src/framework/script/luavalue.cpp
new file mode 100644
index 00000000..8f6ab760
--- /dev/null
+++ b/src/framework/script/luavalue.cpp
@@ -0,0 +1,234 @@
+#include "luavalue.h"
+#include "luainterface.h"
+#include "luaobject.h"
+
+#include <core/resources.h>
+
+LuaValue::LuaValue(int ref) : ref(ref)
+{
+}
+
+LuaValue::~LuaValue()
+{
+    // releases the reference of this value from lua
+    g_lua.unref(ref);
+}
+
+LuaValueList LuaValue::call(const std::string& funcName, const LuaValueList& args)
+{
+    LuaValueList rets;
+
+    // if is a function, calls it
+    if(isFunction()) {
+        g_resources.pushCurrentPath(getPathDirectory(g_lua.getFunctionSource(shared_from_this())));
+
+        try {
+            push();
+            g_lua.pushValues(args);
+            int numRets = g_lua.safeCall(funcName, args.size());
+            for(int i=0;i<numRets; ++i)
+                rets.push_back(g_lua.popValue());
+        } catch(LuaException &e) {
+            logError(e.what());
+        }
+
+        g_resources.popCurrentPath();
+    }
+    // also calls a table of functions
+    else if(isTable()) {
+        LuaValueList functions = getTableValues();
+        foreach(const LuaValuePtr& function, functions) {
+            if(function->isFunction())
+                function->call(funcName, args);
+        }
+    };
+
+    return rets;
+}
+
+int LuaValue::getTableSize()
+{
+    int size = 0;
+    push();
+    assert(g_lua.isTable());
+    g_lua.pushNil();
+    while(g_lua.next()) {
+        g_lua.pop();
+        size++;
+    }
+    g_lua.pop();
+    return size;
+}
+
+LuaValueList LuaValue::getTableValues()
+{
+    LuaValueList ret;
+    push();
+    assert(g_lua.isTable());
+    g_lua.pushNil();
+    while(g_lua.next())
+        ret.push_back(g_lua.popValue());
+    return ret;
+}
+
+LuaValuePtr LuaValue::getField(const std::string& key)
+{
+    push();
+    assert(g_lua.isTable() || g_lua.isUserdata());
+    g_lua.getField(key);
+    g_lua.remove(-2);
+    return g_lua.popValue();
+}
+
+void LuaValue::setField(const std::string& key, const LuaValuePtr& value)
+{
+    push();
+    assert(g_lua.isTable() || g_lua.isUserdata());
+    g_lua.pushValue(value);
+    g_lua.setField(key);
+    g_lua.pop();
+}
+
+LuaValuePtr LuaValue::getMetatable()
+{
+    push();
+    assert(g_lua.isUserdata() || g_lua.isTable());
+    g_lua.getMetatable();
+    g_lua.remove(-2);
+    return g_lua.popValue();
+}
+
+void LuaValue::setMetatable(const LuaValuePtr& mt)
+{
+    push();
+    assert(g_lua.isUserdata() || g_lua.isTable());
+    g_lua.pushValue(mt);
+    g_lua.setMetatable();
+    g_lua.pop();
+}
+
+void LuaValue::setTable(int n, const LuaValuePtr& value)
+{
+    push();
+    assert(g_lua.isTable());
+    g_lua.pushInteger(n);
+    g_lua.pushValue(value);
+    g_lua.setTable();
+    g_lua.pop();
+}
+
+void LuaValue::setEnvironment(LuaValuePtr env)
+{
+    push();
+    g_lua.pushValue(env);
+    g_lua.setEnv();
+    g_lua.pop();
+}
+
+std::string LuaValue::getTypeName()
+{
+    push();
+    std::string typeName = g_lua.typeName();
+    g_lua.pop();
+    return typeName;
+}
+
+bool LuaValue::isBoolean()
+{
+    push();
+    bool ret = g_lua.isBoolean();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isString()
+{
+    push();
+    bool ret = g_lua.isString();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isNumber()
+{
+    push();
+    bool ret = g_lua.isNumber();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isTable()
+{
+    push();
+    bool ret = g_lua.isTable();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isFunction()
+{
+    push();
+    bool ret = g_lua.isFunction();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isCFunction()
+{
+    push();
+    bool ret = g_lua.isCFunction();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isLuaFunction()
+{
+    push();
+    bool ret = g_lua.isLuaFunction();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::isUserdata()
+{
+    push();
+    bool ret = g_lua.isUserdata();
+    g_lua.pop();
+    return ret;
+}
+
+bool LuaValue::toBoolean()
+{
+    push();
+    return g_lua.popBoolean();
+}
+
+int LuaValue::toInteger()
+{
+    push();
+    return g_lua.popInteger();
+}
+
+double LuaValue::toNumber()
+{
+    push();
+    return g_lua.popNumber();
+}
+
+std::string LuaValue::toString()
+{
+    push();
+    return g_lua.popString();
+}
+
+void* LuaValue::toUserdata()
+{
+    push();
+    return g_lua.popUserdata();
+}
+
+void LuaValue::push()
+{
+    g_lua.pushValue(shared_from_this());
+}
+
diff --git a/src/framework/script/luavalue.h b/src/framework/script/luavalue.h
new file mode 100644
index 00000000..2a8e2223
--- /dev/null
+++ b/src/framework/script/luavalue.h
@@ -0,0 +1,78 @@
+#ifndef LUAVALUE_H
+#define LUAVALUE_H
+
+#include "luavaluecasts.h"
+
+/// Utility used to fill a LuaValueList by args...
+inline void fillLuaValueList(LuaValueList& argsList) { }
+template<class T, class... Args>
+void fillLuaValueList(LuaValueList& argsList, const T& first, const Args&... rest) {
+   argsList.push_back(safe_to_luavalue(first));
+   fillLuaValueList(argsList, rest...);
+}
+
+/// LuaValue, all values from and to lua can be represented by this type
+class LuaValue : public std::enable_shared_from_this<LuaValue>
+{
+public:
+    LuaValue(int ref = -1);
+    virtual ~LuaValue();
+
+    /** If this value is a function or a list of functions, calls it.
+    * Otherwise, if is not a nil value, throws an LuaException */
+    LuaValueList call(const std::string& funcName, const LuaValueList& args = LuaValueList());
+    template<class... T>
+    LuaValueList call(const std::string& funcName, const T&... args) {
+        LuaValueList argsList;
+        push();
+        fillLuaValueList(argsList, args...);
+        return call(funcName, argsList);
+    }
+
+    int getTableSize();
+    LuaValueList getTableValues();
+
+    LuaValuePtr getField(const std::string& key);
+    void setField(const std::string& key, const LuaValuePtr& value);
+    template<typename T>
+    void setField(const std::string& key, const T& value) {
+        setField(key, safe_to_luavalue<T>(value));
+    }
+
+    LuaValuePtr getMetatable();
+    void setMetatable(const LuaValuePtr& mt);
+
+    void setTable(int n, const LuaValuePtr& value);
+
+    void setEnvironment(LuaValuePtr env);
+
+    std::string getTypeName();
+
+    // check types
+    bool isNil() { return ref < 0; }
+    bool isBoolean();
+    bool isString();
+    bool isNumber();
+    bool isTable();
+    bool isFunction();
+    bool isCFunction();
+    bool isLuaFunction();
+    bool isUserdata();
+
+    // convert types
+    bool toBoolean();
+    int toInteger();
+    double toNumber();
+    std::string toString();
+    void* toUserdata();
+
+private:
+    /// Pushes this value into lua stack
+    void push();
+
+    int ref;
+    friend class LuaState;
+};
+
+
+#endif // LUAVALUE_H
diff --git a/src/framework/script/luavaluecasts.cpp b/src/framework/script/luavaluecasts.cpp
new file mode 100644
index 00000000..3c991580
--- /dev/null
+++ b/src/framework/script/luavaluecasts.cpp
@@ -0,0 +1,76 @@
+#include "luavaluecasts.h"
+#include "luainterface.h"
+
+bool to_luavalue(const LuaValuePtr& v, LuaValuePtr& o) {
+    o = v;
+    return true;
+}
+
+bool to_luavalue(bool v, LuaValuePtr& o) {
+    o = g_lua.createBoolean(v);
+    return true;
+}
+
+bool to_luavalue(int v, LuaValuePtr& o) {
+    o = g_lua.createInteger(v);
+    return true;
+}
+
+bool to_luavalue(double v, LuaValuePtr& o) {
+    o = g_lua.createNumber(v);
+    return true;
+}
+
+bool to_luavalue(const std::string& v, LuaValuePtr& o) {
+    o = g_lua.createString(v);
+    return true;
+}
+
+bool to_luavalue(const char* v, LuaValuePtr& o) {
+    o = g_lua.createString(v);
+    return true;
+}
+
+bool to_luavalue(int (*v)(LuaState*), LuaValuePtr& o) {
+    o = g_lua.createCppFunction(v);
+    return true;
+}
+
+bool to_luavalue(const LuaCppFunction& v, LuaValuePtr& o) {
+    o = g_lua.createCppFunction(v);
+    return true;
+}
+
+bool luavalue_cast(const LuaValuePtr& v, bool& o) {
+    o = v->toBoolean();
+    return true;
+}
+
+bool luavalue_cast(const LuaValuePtr& v, int& o) {
+    o = v->toInteger();
+    return true;
+}
+
+bool luavalue_cast(const LuaValuePtr& v, double& o) {
+    o = v->toNumber();
+    return true;
+}
+
+bool luavalue_cast(const LuaValuePtr& v, std::string& o) {
+    o = v->toString();
+    return true;
+}
+
+bool luavalue_cast(const LuaValuePtr& v, LuaObjectPtr& o) {
+    if(v->isUserdata()) {
+        LuaObjectPtr* objRef = static_cast<LuaObjectPtr*>(v->toUserdata());
+        if(objRef && *objRef) {
+            o = *objRef;
+            return true;
+        }
+    } else if(v->isNil()) {
+        o = LuaObjectPtr();
+        return true;
+    }
+    return false;
+}
diff --git a/src/framework/script/luavaluecasts.h b/src/framework/script/luavaluecasts.h
new file mode 100644
index 00000000..8d3ecdd5
--- /dev/null
+++ b/src/framework/script/luavaluecasts.h
@@ -0,0 +1,80 @@
+#ifndef LUAVALUECASTS_H
+#define LUAVALUECASTS_H
+
+#include "luadeclarations.h"
+#include "luaexception.h"
+
+// convert from common types
+bool to_luavalue(const LuaValuePtr& v, LuaValuePtr& o);
+bool to_luavalue(bool v, LuaValuePtr& o);
+bool to_luavalue(int v, LuaValuePtr& o);
+bool to_luavalue(double v, LuaValuePtr& o);
+bool to_luavalue(const std::string& v, LuaValuePtr& o);
+bool to_luavalue(const char* v, LuaValuePtr& o);
+bool to_luavalue(int (*v)(LuaState*), LuaValuePtr& o);
+bool to_luavalue(const LuaCppFunction& v, LuaValuePtr& o);
+
+// convert from LuaObject
+template<class T>
+typename std::enable_if<std::is_base_of<LuaObject, typename T::element_type>::value, bool>::type
+to_luavalue(const T& v, LuaValuePtr& o) {
+    if(v) {
+        o = v->toLuaValue();
+        return true;
+    }
+    return false;
+}
+
+/// Safe convert, if any errors occurs throws an LuaException
+template<class T>
+LuaValuePtr safe_to_luavalue(const T& v) {
+    LuaValuePtr o;
+    if(!to_luavalue(v, o))
+        throw LuaBadTypeConversinException();
+    return o;
+}
+
+// common types casting
+bool luavalue_cast(const LuaValuePtr& v, bool& o);
+bool luavalue_cast(const LuaValuePtr& v, int& o);
+bool luavalue_cast(const LuaValuePtr& v, double& o);
+bool luavalue_cast(const LuaValuePtr& v, std::string& o);
+bool luavalue_cast(const LuaValuePtr& v, LuaObjectPtr& o);
+
+// convert enums
+template<class T>
+typename std::enable_if<std::is_enum<T>::value, bool>::type
+luavalue_cast(const LuaValuePtr& v, T& o) {
+    return luavalue_cast(v, (int&)o);
+}
+
+// cast pointer
+template<class T>
+bool luavalue_cast(const LuaValuePtr& v, T*& o) {
+    LuaObjectPtr obj;
+    if(!luavalue_cast(v, obj))
+        return false;
+    o = std::dynamic_pointer_cast<T>(obj).get();
+    return !!o;
+}
+
+// cast shared pointers
+template<class T>
+bool luavalue_cast(const LuaValuePtr& v, std::shared_ptr<T>& o) {
+    LuaObjectPtr obj;
+    if(!luavalue_cast(v, obj))
+        return false;
+    o = std::dynamic_pointer_cast<T>(obj);
+    return !!o;
+}
+
+/// Safe casting, if any errors occurs throws an LuaException
+template<class T>
+T safe_luavalue_cast(const LuaValuePtr& v) {
+    T o;
+    if(!luavalue_cast(v, o))
+        throw LuaBadValueCastException(v);
+    return o;
+}
+
+#endif // LUAVALUECASTS_H
diff --git a/src/framework/script/scriptcontext.cpp b/src/framework/script/scriptcontext.cpp
deleted file mode 100644
index 317644eb..00000000
--- a/src/framework/script/scriptcontext.cpp
+++ /dev/null
@@ -1,748 +0,0 @@
-#include <global.h>
-#include <script/scriptcontext.h>
-#include <script/scriptfunctions.h>
-#include <core/resources.h>
-#include <lua.hpp>
-
-#include <boost/algorithm/string.hpp>
-
-ScriptContext g_lua;
-
-void ScriptContext::init()
-{
-    L = luaL_newstate();
-    if(!L)
-        logFatal("FATAL ERROR: could not create lua context");
-
-    // load lua standard libraries
-    luaL_openlibs(L);
-
-    // setup custom package loader
-    setupPackageLoader();
-
-    registerScriptFunctions();
-}
-
-void ScriptContext::terminate()
-{
-    collectGarbage();
-    lua_close(L);
-    L = NULL;
-}
-
-void ScriptContext::loadAllModules()
-{
-    std::list<std::string> modules = g_resources.listDirectoryFiles("modules");
-    foreach(const std::string& module, modules) {
-        std::list<std::string> moduleFiles = g_resources.listDirectoryFiles("modules/" + module);
-        foreach(const std::string& moduleFile, moduleFiles) {
-            if(boost::ends_with(moduleFile, ".lua"))
-                loadFile(std::string("modules/") + module + "/" + moduleFile);
-        }
-    }
-}
-
-bool ScriptContext::loadFile(const std::string& fileName)
-{
-    std::stringstream fin;
-    if(g_resources.loadFile(fileName, fin))
-        return loadBuffer(fin.str(), fileName);
-    else
-        logError("ERROR: script file '", fileName, "' doesn't exist");
-    return false;
-}
-
-bool ScriptContext::loadBuffer(const std::string& text, const std::string& what)
-{
-    if(loadBufferAsFunction(text, what) && callFunction())
-        return true;
-    return false;
-}
-
-bool ScriptContext::loadBufferAsFunction(const std::string& text, const std::string& what)
-{
-    int ret = luaL_loadbuffer(L, text.c_str(), text.length(), ("@" + what).c_str());
-    if(ret != 0){
-        reportError(popString());
-        return false;
-    }
-
-    if(!isFunction()) {
-        pop();
-        return false;
-    }
-    return true;
-}
-
-void ScriptContext::reportError(const std::string& errorDesc, const char *funcName)
-{
-    std::stringstream ss;
-    ss << "LUA Script ERROR: ";
-    if(funcName)
-        ss << " in " << funcName << "(): ";
-    ss << errorDesc;
-    logError(ss.str());
-}
-
-void ScriptContext::reportErrorWithTraceback(const std::string& errorDesc, const char* funcName)
-{
-    pushString(errorDesc);
-    luaErrorHandler(L);
-    reportError(popString(), funcName);
-}
-
-void ScriptContext::collectGarbage()
-{
-    for(int i=0;i<2;i++)
-        lua_gc(L, LUA_GCCOLLECT, 0);
-}
-
-int ScriptContext::getStackSize()
-{
-    return lua_gettop(L);
-}
-
-void ScriptContext::insert(int index)
-{
-    if(index != -1)
-        lua_insert(L, index);
-}
-
-void ScriptContext::swap(int index)
-{
-    insert(index);
-    pushValue(index+1);
-    remove(index);
-}
-
-void ScriptContext::remove(int index)
-{
-    lua_remove(L, index);
-}
-
-bool ScriptContext::next(int index)
-{
-    return lua_next(L, index);
-}
-
-void ScriptContext::releaseRef(int ref)
-{
-    luaL_unref(L, LUA_REGISTRYINDEX, ref);
-}
-
-void ScriptContext::newTable()
-{
-    lua_newtable(L);
-}
-
-void ScriptContext::setTable(int index)
-{
-    lua_settable(L, index);
-}
-
-void *ScriptContext::newUserdata(int size)
-{
-    return lua_newuserdata(L, size);
-}
-
-void ScriptContext::newMetatable(const std::string& name)
-{
-    luaL_newmetatable(L, name.c_str());
-}
-
-void ScriptContext::setMetatable(const std::string& name, int index)
-{
-    luaL_getmetatable(L, name.c_str());
-    if(isNil())
-        reportError(make_string("could not retrive metatable", name));
-    else
-        lua_setmetatable(L, index < 0 ? index-1 : index);
-}
-
-void ScriptContext::rawGet(const std::string& key)
-{
-    pushString(key);
-    lua_rawget(L, -2);
-}
-
-void ScriptContext::rawSet(const std::string& key)
-{
-    pushString(key);
-    insert(-2);
-    lua_rawset(L, -3);
-}
-
-void ScriptContext::getField(const std::string& key)
-{
-    lua_getfield(L, -1, key.c_str());
-}
-
-void ScriptContext::setField(const std::string& key)
-{
-    lua_setfield(L, -2, key.c_str());
-}
-
-void ScriptContext::getScriptObjectField(const ScriptObjectPtr& scriptobject, const std::string& field)
-{
-    if(scriptobject) {
-        pushRef(scriptobject->getScriptTable());
-        getField(field);
-        remove(-2);
-    } else
-        pushNil();
-}
-
-void ScriptContext::setScriptObjectField(const ScriptObjectPtr& scriptobject, const std::string& field)
-{
-    if(scriptobject) {
-        pushRef(scriptobject->getScriptTable());
-        insert(-2);
-        setField(field);
-    }
-    pop();
-}
-
-void ScriptContext::rawGetGlobalTableField(const std::string& globalTable, const std::string& key)
-{
-    getGlobal(globalTable);
-    rawGet(key);
-    remove(-2);
-}
-
-void ScriptContext::rawSetGlobalTableField(const std::string& globalTable, const std::string& key)
-{
-    getGlobal(globalTable);
-    insert(-2);
-    rawSet(key);
-    pop();
-}
-
-void ScriptContext::getGlobal(const std::string& key)
-{
-    lua_getfield(L, LUA_GLOBALSINDEX, key.c_str());
-}
-
-void ScriptContext::setGlobal(const std::string& key)
-{
-    lua_setfield(L, LUA_GLOBALSINDEX, key.c_str());
-}
-
-bool ScriptContext::isNil(int index)
-{
-    return lua_isnil(L, index);
-}
-
-bool ScriptContext::isBoolean(int index)
-{
-    return lua_isboolean(L, index);
-}
-
-bool ScriptContext::isNumber(int index)
-{
-    return lua_isnumber(L, index);
-}
-
-bool ScriptContext::isString(int index)
-{
-    return lua_isstring(L, index);
-}
-
-bool ScriptContext::isTable(int index)
-{
-    return lua_istable(L, index);
-}
-
-bool ScriptContext::isUserdata(int index)
-{
-    return lua_isuserdata(L, index);
-}
-
-bool ScriptContext::isFunction(int index)
-{
-    return lua_isfunction(L, index);
-}
-
-bool ScriptContext::isCFunction(int index)
-{
-    return lua_iscfunction(L, index);
-}
-
-bool ScriptContext::isLuaFunction(int index)
-{
-    return isFunction(index) && !isCFunction(index);
-}
-
-void ScriptContext::pop(int n)
-{
-    lua_pop(L, n);
-}
-
-bool ScriptContext::popBoolean()
-{
-    bool b = (lua_toboolean(L, -1) != 0);
-    pop();
-    return b;
-}
-
-int ScriptContext::popInteger()
-{
-    double d = lua_tonumber(L, -1);
-    pop();
-    return (int)d;
-}
-
-std::string ScriptContext::popString()
-{
-    std::string str;
-    if(lua_isstring(L, -1))
-        str = lua_tostring(L, -1);
-    pop();
-    return str;
-}
-
-ScriptObjectPtr ScriptContext::popClassInstance()
-{
-    ScriptObjectPtr object;
-    if(isUserdata()) { // instances are store as userdata
-        object = *((ScriptObjectPtr *)lua_touserdata(L, -1));
-        if(!object)
-            reportErrorWithTraceback("attempt to retrive class instance from a object that is already expired");
-    } else if(!isNil()) // we accept nil values
-        reportErrorWithTraceback("couldn't retrive class instance, the value is not a scriptobject type");
-    pop();
-    return object;
-}
-
-int ScriptContext::popRef()
-{
-    return luaL_ref(L, LUA_REGISTRYINDEX);
-}
-
-void ScriptContext::pushNil()
-{
-    lua_pushnil(L);
-}
-
-void ScriptContext::pushBoolean(bool b)
-{
-    lua_pushboolean(L, b);
-}
-
-void ScriptContext::pushInteger(int32_t i)
-{
-    lua_pushnumber(L, i);
-}
-
-void ScriptContext::pushString(const std::string& str)
-{
-    lua_pushstring(L, str.c_str());
-}
-
-void ScriptContext::pushClassInstance(const ScriptObjectPtr& object)
-{
-    if(object) {
-        new(newUserdata(sizeof(ScriptObjectPtr))) ScriptObjectPtr(object);
-        setMetatable(std::string(object->getScriptObjectType()) + "_mt");
-    } else
-        pushNil();
-}
-
-void ScriptContext::pushValue(int index)
-{
-    lua_pushvalue(L, index);
-}
-
-void ScriptContext::pushRef(int ref)
-{
-    lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
-}
-
-std::string ScriptContext::getFunctionSourcePath(bool functionIsOnStack, int level)
-{
-    std::string path;
-
-    lua_Debug ar;
-    memset(&ar, 0, sizeof(ar));
-    if(functionIsOnStack)
-        lua_getinfo(L, ">Sn", &ar);
-    else {
-        if(lua_getstack(L, level-1, &ar) == 1)
-            lua_getinfo(L, "Sn", &ar);
-    }
-
-    // c function, we must get information of a level above
-    if(strcmp("C", ar.what) == 0) {
-        memset(&ar, 0, sizeof(ar));
-        if(lua_getstack(L, level, &ar) == 1) {
-            lua_getinfo(L, "f", &ar);
-            return getFunctionSourcePath(true, level+1);
-        }
-
-    } else {
-        if(ar.source) {
-            std::string source = ar.source;
-            std::size_t pos = source.find_last_of('/');
-            if(source[0] == '@' && pos != std::string::npos)
-                path = source.substr(1, pos - 1);
-        } else {
-            logError("no source");
-        }
-    }
-    return path;
-}
-
-bool ScriptContext::callFunction(int numArgs, int numRets)
-{
-    pushValue(-numArgs - 1);
-    g_resources.pushCurrentPath(getFunctionSourcePath(true));
-
-    int size = getStackSize();
-    int errorIndex = -numArgs - 2;
-    lua_pushcfunction(L, &ScriptContext::luaErrorHandler);
-    insert(errorIndex);
-
-    int ret = lua_pcall(L, numArgs, numRets, errorIndex);
-    if(ret != 0) {
-        reportError(popString());
-        pop(); // pop error func
-        return false;
-    }
-
-    remove(-numRets - 1); // pop error func
-
-    if(getStackSize() != size - numArgs - 1 + numRets) {
-        reportError("stack size changed!");
-        return false;
-    }
-
-    g_resources.popCurrentPath();
-    return true;
-}
-
-void ScriptContext::callModuleField(const std::string& module, const std::string& field)
-{
-    g_lua.rawGetGlobalTableField(module, field);
-    g_lua.callFunction();
-}
-
-void ScriptContext::setupPackageLoader()
-{
-    lua_getfield(L, LUA_GLOBALSINDEX, "package"); // package
-    lua_getfield(L, -1, "loaders"); // package.loaders, package
-    lua_remove(L, -2); // package.loaders
-    lua_pushnil(L); // nil, package.loaders
-    int numLoaders = 0;
-    while(lua_next(L, -2) != 0) {
-        // value, key, package.loaders
-        lua_pop(L, 1); // key, package.loaders
-        numLoaders++;
-    }
-    lua_pushinteger(L, numLoaders + 1); // at, package.loaders
-    lua_pushcfunction(L, &ScriptContext::luaPackageLoader); // luaPackageLoader, at, package.loaders
-    lua_rawset(L, -3); // package.loaders
-    lua_pop(L, 1); // (empty)
-}
-
-void ScriptContext::registerClass(const std::string& klass, const std::string& baseClass)
-{
-    // mt = {}
-    lua_newtable(L);
-    lua_pushvalue(L, -1);
-    lua_setfield(L, LUA_REGISTRYINDEX, (klass + "_mt").c_str());
-
-    // set __index metamethod
-    lua_pushcfunction(L, &ScriptContext::luaIndexMetaMethod);
-    lua_setfield(L, -2, "__index");
-
-    // set __newindex metamethod
-    lua_pushcfunction(L, &ScriptContext::luaNewIndexMetaMethod);
-    lua_setfield(L, -2, "__newindex");
-
-    // set __eq metamethod
-    lua_pushcfunction(L, &ScriptContext::luaEqualMetaMethod);
-    lua_setfield(L, -2, "__eq");
-
-    // set __gc metamethod, which collects userdata
-    lua_pushcfunction(L, &ScriptContext::luaGarbageCollectMetaMethod);
-    lua_setfield(L, -2, "__gc");
-
-    // klass = { }
-    lua_newtable(L);
-    lua_pushvalue(L, -1);
-    lua_setfield(L, LUA_GLOBALSINDEX, klass.c_str());
-
-    // mt.methods = klass
-    lua_setfield(L, -2, "methods");
-
-    // klass_fieldmethods = { }
-    lua_newtable(L);
-    lua_pushvalue(L, -1);
-    lua_setfield(L, LUA_GLOBALSINDEX, (klass + "_fieldmethods").c_str());
-
-    // mt.fieldmethods = klass_fieldmethods
-    lua_setfield(L, -2, "fieldmethods");
-
-    if(baseClass.length()) {
-        // get klass
-        lua_getfield(L, LUA_GLOBALSINDEX, klass.c_str());
-
-        // redirect = { __index = baseClass }
-        lua_newtable(L);
-        lua_getfield(L, LUA_GLOBALSINDEX, baseClass.c_str());
-        lua_setfield(L, -2, "__index");
-
-        // setmetatable(klass, redirect)
-        lua_setmetatable(L, -2);
-        lua_pop(L, 1);
-
-        // get klass_fieldmethods
-        lua_getfield(L, LUA_GLOBALSINDEX, (klass + "_fieldmethods").c_str());
-
-        // redirect = { __index = baseClass_fieldmethods }
-        lua_newtable(L);
-        lua_getfield(L, LUA_GLOBALSINDEX, (baseClass + "_fieldmethods").c_str());
-        lua_setfield(L, -2, "__index");
-
-        // setmetatable(klass_fieldmethods, redirect)
-        lua_setmetatable(L, -2);
-    }
-
-    lua_pop(L, 1);
-
-    m_currentClass = klass;
-}
-
-void ScriptContext::registerMemberField(const std::string& field, ScriptContext::LuaCFunction getFunction, ScriptContext::LuaCFunction setFunction)
-{
-    if(getFunction) {
-        int functionId = m_functions.size();
-        m_functions.push_back(getFunction);
-
-        // push the class table
-        lua_getfield(L, LUA_GLOBALSINDEX, (m_currentClass + "_fieldmethods").c_str());
-        // push the function id
-        lua_pushnumber(L, functionId);
-        // store id in the closure
-        lua_pushcclosure(L, &ScriptContext::luaFunctionCallback, 1);
-        // store the function at the class field functionName
-        lua_setfield(L, -2, ("get_" + field).c_str());
-        // pop the table
-        lua_pop(L, 1);
-    }
-
-    if(setFunction) {
-        int functionId = m_functions.size();
-        m_functions.push_back(setFunction);
-
-        // push the class table
-        lua_getfield(L, LUA_GLOBALSINDEX, (m_currentClass + "_fieldmethods").c_str());
-        // push the function id
-        lua_pushnumber(L, functionId);
-        // store id in the closure
-        lua_pushcclosure(L, &ScriptContext::luaFunctionCallback, 1);
-        // store the function at the class field functionName
-        lua_setfield(L, -2, ("set_" + field).c_str());
-        // pop the table
-        lua_pop(L, 1);
-    }
-}
-
-void ScriptContext::registerMemberFunction(const std::string& functionName, LuaCFunction function)
-{
-    int functionId = m_functions.size();
-    m_functions.push_back(function);
-
-    // push the class table
-    lua_getfield(L, LUA_GLOBALSINDEX, m_currentClass.c_str());
-    // push the function id
-    lua_pushnumber(L, functionId);
-    // store id in the closure
-    lua_pushcclosure(L, &ScriptContext::luaFunctionCallback, 1);
-    // store the function at the class field functionName
-    lua_setfield(L, -2, functionName.c_str());
-    // pop the table
-    lua_pop(L, 1);
-}
-
-void ScriptContext::registerGlobalFunction(const std::string& functionName, LuaCFunction function)
-{
-    int functionId = m_functions.size();
-    m_functions.push_back(function);
-
-    // push the function id
-    lua_pushnumber(L, functionId);
-    // store id in the closure
-    lua_pushcclosure(L, &ScriptContext::luaFunctionCallback, 1);
-    // store the function in the global lua table
-    lua_setfield(L, LUA_GLOBALSINDEX, functionName.c_str());
-}
-
-void ScriptContext::registerModule(const std::string& module)
-{
-    registerClass(module);
-    lua_getfield(L, LUA_GLOBALSINDEX, module.c_str());
-    lua_getfield(L, LUA_REGISTRYINDEX, (module + "_mt").c_str());
-    lua_setmetatable(L, -2);
-    lua_pop(L, -1);
-}
-
-int ScriptContext::luaPackageLoader(lua_State* L)
-{
-    std::string fileName = lua_tostring(L, -1);
-    fileName += ".lua";
-    if(g_resources.fileExists(fileName)) {
-        std::stringstream fin;
-        if(g_resources.loadFile(fileName, fin))
-            luaL_loadbuffer(L, fin.str().c_str(), fin.str().length(), ("@" + g_resources.resolvePath(fileName)).c_str());
-    } else {
-        lua_pushfstring(L, "\n\tcould not load lua script " LUA_QS, fileName.c_str());
-    }
-    return 1;
-}
-
-int ScriptContext::luaIndexMetaMethod(lua_State* L)
-{
-    // stack: key, obj
-    std::string key = lua_tostring(L, -1); // key, obj
-    lua_pop(L, 1); // obj
-    lua_getmetatable(L, -1); // mt, obj
-    lua_getfield(L, -1, "fieldmethods"); // fieldmethods, mt, obj
-    lua_getfield(L, -1, ("get_" + key).c_str()); // get_method, fieldmethods, mt, obj
-    lua_remove(L, -2); // get_method, mt, obj
-    if(!lua_isnil(L, -1)) {
-        lua_remove(L, -2); // get_method, obj
-        lua_insert(L, -2); // obj, get_method
-        if(!g_lua.callFunction(1, 1))
-            lua_pushnil(L);
-        return 1;
-    } else {
-        lua_pop(L, 1); // mt, obj
-        lua_getfield(L, -1, "methods"); // methods, mt, obj
-        lua_getfield(L, -1, key.c_str()); // method, methods, mt, obj
-        lua_remove(L, -2); // method, mt, obj
-        if(!lua_isnil(L, -1)) {
-            lua_insert(L, -3); // mt, obj, method
-            lua_pop(L, 2); // method
-            return 1;
-        }
-        lua_pop(L, 1); // mt, obj
-    }
-    lua_pop(L, 1); // obj
-
-    // stack: obj
-    if(g_lua.isTable()) {
-        g_lua.rawGet(key);
-        g_lua.remove(-2);
-    } else if(g_lua.isUserdata()) {
-        g_lua.getScriptObjectField(g_lua.popClassInstance(), key);
-    } else {
-        g_lua.pop();
-        g_lua.pushNil();
-        g_lua.reportErrorWithTraceback("unknown type in newindex metamethod");
-    }
-
-    return 1;
-}
-
-int ScriptContext::luaNewIndexMetaMethod(lua_State* L)
-{
-    // stack: value, key, obj
-    lua_insert(L, -2); // key, value, obj
-    std::string key = lua_tostring(L, -1);
-    lua_pop(L, 1); //  value, obj
-    lua_getmetatable(L, -2); // mt, value, obj
-    lua_getfield(L, -1, "fieldmethods"); // fieldmethods, mt, value, obj
-    lua_getfield(L, -1, ("set_" + key).c_str()); // set_method, fieldmethods, mt, value, obj
-    lua_remove(L, -2); //  set_method, mt, value, obj
-    if(!lua_isnil(L, -1)) {
-        lua_remove(L, -2); // set_method, value, obj
-        lua_insert(L, -3); // value, obj, set_method
-        g_lua.callFunction(2);
-        return 1;
-    }
-    lua_pop(L, 2); // mt, value, obj
-
-    // stack: value, obj
-    g_lua.insert(-2);
-    if(g_lua.isTable()) {
-        g_lua.insert(-2);
-        g_lua.rawSet(key);
-        g_lua.pop();
-    } else if(g_lua.isUserdata()) {
-        g_lua.setScriptObjectField(g_lua.popClassInstance(), key);
-    } else {
-        g_lua.pop(2);
-        g_lua.reportErrorWithTraceback("unknown type in index metamethod");
-    }
-
-    return 1;
-}
-
-int ScriptContext::luaEqualMetaMethod(lua_State* L)
-{
-    if(!lua_isuserdata(L, -1) || !lua_isuserdata(L, -2)) {
-        lua_pop(L, 2);
-        lua_pushboolean(L, 0);
-    } else {
-        ScriptObjectPtr *objectRef1 = (ScriptObjectPtr *)lua_touserdata(L, -1);
-        ScriptObjectPtr *objectRef2 = (ScriptObjectPtr *)lua_touserdata(L, -2);
-        lua_pop(L, 2);
-        if(objectRef1 == objectRef2)
-            lua_pushboolean(L, 1);
-        else
-            lua_pushboolean(L, 0);
-    }
-    return 1;
-}
-
-int ScriptContext::luaGarbageCollectMetaMethod(lua_State* L)
-{
-    if(lua_isuserdata(L, -1)) {
-        ScriptObjectPtr *objectRef = (ScriptObjectPtr *)lua_touserdata(L, -1);
-        objectRef->reset();
-    }
-    lua_pop(L, 1);
-    return 1;
-}
-
-int ScriptContext::luaFunctionCallback(lua_State* L)
-{
-    // look for function id
-    int id = lua_tonumber(L, lua_upvalueindex(1));
-
-    g_resources.pushCurrentPath(g_lua.getFunctionSourcePath(false));
-
-    // call the function
-    int ret = (*(g_lua.m_functions[id]))();
-
-    g_resources.popCurrentPath();
-    return ret;
-}
-
-int ScriptContext::luaErrorHandler(lua_State *L)
-{
-    // push debug
-    lua_getfield(L, LUA_GLOBALSINDEX, "debug");
-    if(!lua_istable(L, -1)) {
-        lua_pop(L, 1);
-        return 1;
-    }
-    // push debug.traceback
-    lua_getfield(L, -1, "traceback");
-    if(!lua_isfunction(L, -1)) {
-        lua_pop(L, 2);
-        return 1;
-    }
-    // remove debug
-    lua_remove(L, -2);
-    // push additional error message
-    lua_pushvalue(L, -2);
-    // push level
-    lua_pushinteger(L, 2);
-    // call debug.traceback
-    lua_call(L, 2, 1);
-    // remove additional error message
-    lua_remove(L, -2);
-    // return, the complete error message is on the stack
-    return 1;
-}
diff --git a/src/framework/script/scriptcontext.h b/src/framework/script/scriptcontext.h
deleted file mode 100644
index 1a293183..00000000
--- a/src/framework/script/scriptcontext.h
+++ /dev/null
@@ -1,115 +0,0 @@
-#ifndef SCRIPTCONTEXT_H
-#define SCRIPTCONTEXT_H
-
-#include <global.h>
-#include "scriptobject.h"
-
-#define reportFuncError(a) reportError(a, __FUNCTION__)
-#define reportFuncErrorWithTraceback(a) reportErrorWithTraceback(a, __FUNCTION__)
-
-struct lua_State;
-
-class ScriptContext
-{
-public:
-    ScriptContext() : L(NULL) { }
-
-    void init();
-    void terminate();
-
-    void loadAllModules();
-    bool loadFile(const std::string& fileName);
-    bool loadBuffer(const std::string& text, const std::string& what = "luaBuffer");
-    bool loadBufferAsFunction(const std::string& text, const std::string& what = "luaBuffer");
-    void reportError(const std::string& errorDesc, const char *funcName = NULL);
-    void reportErrorWithTraceback(const std::string& errorDesc, const char *funcName = NULL);
-
-    void collectGarbage();
-
-    int getStackSize();
-    void insert(int index);
-    void swap(int index);
-    void remove(int index);
-    bool next(int index = -2);
-    void releaseRef(int ref);
-
-    void newTable();
-    void setTable(int index = -3);
-
-    void *newUserdata(int size);
-
-    void newMetatable(const std::string& name);
-    void setMetatable(const std::string& name, int index = -1);
-
-    void rawGet(const std::string& key);
-    void rawSet(const std::string& key);
-    void getField(const std::string& key);
-    void setField(const std::string& key);
-
-    void getScriptObjectField(const ScriptObjectPtr& scriptobject, const std::string& field);
-    void setScriptObjectField(const ScriptObjectPtr& scriptobject, const std::string& field);
-
-    void rawGetGlobalTableField(const std::string& globalTable, const std::string& key);
-    void rawSetGlobalTableField(const std::string& globalTable, const std::string& key);
-
-    void getGlobal(const std::string& key);
-    void setGlobal(const std::string& key);
-
-    bool isNil(int index = -1);
-    bool isBoolean(int index = -1);
-    bool isNumber(int index = -1);
-    bool isString(int index = -1);
-    bool isTable(int index = -1);
-    bool isUserdata(int index = -1);
-    bool isFunction(int index = -1);
-    bool isCFunction(int index = -1);
-    bool isLuaFunction(int index = -1);
-
-    void pop(int n = 1);
-    bool popBoolean();
-    int popInteger();
-    std::string popString();
-    ScriptObjectPtr popClassInstance();
-    int popRef();
-
-    void pushNil();
-    void pushBoolean(bool b);
-    void pushInteger(int i);
-    void pushString(const std::string& str);
-    void pushClassInstance(const ScriptObjectPtr& object);
-    void pushValue(int index = -1);
-    void pushRef(int ref);
-
-    std::string getFunctionSourcePath(bool functionIsOnStack, int level = 1);
-
-    bool callFunction(int numArgs = 0, int numRets = 0);
-    void callModuleField(const std::string& module, const std::string& field);
-
-    typedef int (*LuaCFunction)();
-
-    void setupPackageLoader();
-    void registerClass(const std::string& klass, const std::string& baseClass = "");
-    void registerMemberField(const std::string& field, LuaCFunction getFunction, LuaCFunction setFunction = NULL);
-    void registerMemberFunction(const std::string& functionName, LuaCFunction function);
-    void registerGlobalFunction(const std::string& functionName, LuaCFunction function);
-    void registerModule(const std::string& module);
-
-    static int luaPackageLoader(lua_State* L);
-
-    static int luaIndexMetaMethod(lua_State* L);
-    static int luaNewIndexMetaMethod(lua_State* L);
-    static int luaEqualMetaMethod(lua_State* L);
-    static int luaGarbageCollectMetaMethod(lua_State* L);
-
-    static int luaFunctionCallback(lua_State* L);
-    static int luaErrorHandler(lua_State *L);
-
-private:
-    std::vector<LuaCFunction> m_functions;
-    std::string m_currentClass;
-    lua_State *L;
-};
-
-extern ScriptContext g_lua;
-
-#endif // SCRIPTCONTEXT_H
diff --git a/src/framework/script/scriptfunctions.cpp b/src/framework/script/scriptfunctions.cpp
deleted file mode 100644
index 2a150385..00000000
--- a/src/framework/script/scriptfunctions.cpp
+++ /dev/null
@@ -1,561 +0,0 @@
-#include <global.h>
-#include <script/scriptfunctions.h>
-#include <script/scriptcontext.h>
-#include <core/engine.h>
-#include <core/resources.h>
-#include <ui/ui.h>
-#include <core/dispatcher.h>
-#include "../../protocollogin.h"
-
-#include <boost/algorithm/string.hpp>
-
-
-////////////////////////////////////////////////////////////////////////////////
-// App
-
-int lua_App_exit() {
-    g_engine.stop();
-    return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UI
-
-int lua_UI_load() {
-    UIContainerPtr parent;
-    if(g_lua.getStackSize() > 1)
-        parent = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance());
-    else
-        parent = UIContainer::getRoot();
-
-    std::string uiFile = g_lua.popString();
-
-    if(!boost::ends_with(uiFile, ".otml"))
-        uiFile.append(".otml");
-
-    UIElementPtr element;
-    if(parent) {
-        element = g_uiLoader.loadFromFile(uiFile.c_str(), parent);
-        if(!element) {
-            g_lua.reportFuncErrorWithTraceback("failed to load UI");
-        }
-    } else
-        g_lua.reportFuncErrorWithTraceback("invalid parent container");
-
-    g_lua.pushClassInstance(element);
-    return 1;
-}
-
-int lua_UI_getRootContainer() {
-    UIContainerPtr rootContainer = UIContainer::getRoot();
-    g_lua.pushClassInstance(rootContainer);
-    return 1;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UIElement
-
-UIElementPtr lua_createUIElement(UI::ElementType elementType)
-{
-    std::string id;
-    UIContainerPtr parent;
-
-    if(g_lua.getStackSize() > 1)
-        parent = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance());
-
-    if(g_lua.getStackSize() > 0) {
-        if(g_lua.isString())
-            id = g_lua.popString();
-        else
-            parent = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance());
-    }
-
-    UIElementPtr element;
-    switch(elementType) {
-        case UI::Element:
-            element = UIElementPtr(new UIElement);
-            break;
-        case UI::Container:
-            element = UIElementPtr(new UIContainer);
-            break;
-        case UI::Label:
-            element = UIElementPtr(new UILabel);
-            break;
-        case UI::Button:
-            element = UIElementPtr(new UIButton);
-            break;
-        case UI::TextEdit:
-            element = UIElementPtr(new UITextEdit);
-            break;
-        case UI::Window:
-            element = UIElementPtr(new UIWindow);
-            break;
-        default:
-            break;
-    }
-
-    if(element) {
-        if(!id.empty())
-            element->setId(id);
-
-        if(parent)
-            parent->addChild(element);
-
-        element->applyDefaultSkin();
-    }
-
-    return element;
-}
-
-int lua_UIElement_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::Element));
-    return 1;
-}
-
-int lua_UIElement_getId() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushString(element->getId());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIElement_setId() {
-    std::string id = g_lua.popString();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setId(id);
-    return 0;
-}
-
-int lua_UIElement_isEnabled() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushBoolean(element->isEnabled());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIElement_setEnabled() {
-    bool enabled = g_lua.popBoolean();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setEnabled(enabled);
-    return 0;
-}
-
-int lua_UIElement_isVisible() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushBoolean(element->isVisible());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIElement_setVisible() {
-    bool visible = g_lua.popBoolean();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setVisible(visible);
-    return 0;
-}
-
-int lua_UIElement_isFocused() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushBoolean(element->isFocused());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIElement_setFocused() {
-    bool focused = g_lua.popBoolean();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setFocused(focused);
-    return 0;
-}
-
-int lua_UIElement_getWidth() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushInteger(element->getWidth());
-    else
-        g_lua.pushInteger(0);
-    return 1;
-}
-
-int lua_UIElement_setWidth() {
-    int width = g_lua.popInteger();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setWidth(width);
-    return 0;
-}
-
-int lua_UIElement_getHeight() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushInteger(element->getHeight());
-    else
-        g_lua.pushInteger(0);
-    return 1;
-}
-
-int lua_UIElement_setHeight() {
-    int height = g_lua.popInteger();
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setHeight(height);
-    return 0;
-}
-
-int lua_UIElement_getParent() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        g_lua.pushClassInstance(element->getParent());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIElement_setParent() {
-    UIContainerPtr parent = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance());
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setParent(parent);
-    return 0;
-}
-
-int lua_UIElement_setLocked() {
-    bool locked = true;
-    if(g_lua.getStackSize() > 1)
-        locked = g_lua.popBoolean();
-
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance())) {
-        if(UIContainerPtr container = element->getParent()) {
-            if(locked)
-                container->lockElement(element);
-            else
-                container->unlockElement(element);
-        } else
-            g_lua.reportFuncErrorWithTraceback("locking failed, element has no parent");
-    }
-
-    return 0;
-}
-
-int lua_UIElement_setMargin() {
-    int top = 0, right = 0, bottom = 0, left = 0;
-    if(g_lua.getStackSize() == 5) {
-        left = g_lua.popInteger();
-        bottom = g_lua.popInteger();
-        right = g_lua.popInteger();
-        top = g_lua.popInteger();
-    } else if(g_lua.getStackSize() == 3) {
-        left = right = g_lua.popInteger();
-        top = bottom = g_lua.popInteger();
-    } else if(g_lua.getStackSize() == 2) {
-        top = right = bottom = left = g_lua.popInteger();
-    } else {
-        g_lua.reportFuncErrorWithTraceback("invalid number of arguments");
-    }
-
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->setMargin(top, right, bottom, left);
-    return 0;
-}
-
-int lua_UIElement_destroy() {
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->destroyLater();
-    g_dispatcher.addTask(boost::bind(&ScriptContext::collectGarbage, &g_lua));
-    return 0;
-}
-
-int lua_UIElement_centerIn() {
-    std::string targetId;
-    if(g_lua.isString())
-        targetId = g_lua.popString();
-    else if(UIElementPtr target = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        targetId = target->getId();
-
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->centerIn(targetId);
-    return 0;
-}
-
-int lua_UIElement_addAnchor() {
-    AnchorPoint targetEdge = (AnchorPoint)g_lua.popInteger();
-
-    std::string targetId;
-    if(g_lua.isString())
-        targetId = g_lua.popString();
-    else if(UIElementPtr target = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        targetId = target->getId();
-
-    AnchorPoint anchoredEdge = (AnchorPoint)g_lua.popInteger();
-
-    if(UIElementPtr element = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance()))
-        element->addAnchor(anchoredEdge, AnchorLine(targetId, targetEdge));
-    return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UIContainer
-
-int lua_UIContainer_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::Container));
-    return 1;
-}
-
-int lua_UIContainer_child() {
-    std::string id = g_lua.popString();
-    if(UIContainerPtr container = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance()))
-        g_lua.pushClassInstance(container->getChildById(id));
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIContainer_getChildren() {
-    if(UIContainerPtr container = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance())) {
-        g_lua.newTable();
-        foreach(const UIElementPtr& child, container->getChildren()) {
-            g_lua.pushClassInstance(child);
-            if(child->getId().length())
-                g_lua.setField(child->getId());
-        }
-    } else
-        g_lua.pushNil();
-    return 1;
-}
-
-int lua_UIContainer_addChild() {
-    UIElementPtr child = boost::dynamic_pointer_cast<UIElement>(g_lua.popClassInstance());
-    UIContainerPtr container = boost::dynamic_pointer_cast<UIContainer>(g_lua.popClassInstance());
-    if(container && child)
-        container->addChild(child);
-    return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UILabel
-
-int lua_UILabel_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::Label));
-    return 1;
-}
-
-int lua_UILabel_setText() {
-    std::string text = g_lua.popString();
-    if(UILabelPtr label = boost::dynamic_pointer_cast<UILabel>(g_lua.popClassInstance()))
-        label->setText(text);
-    return 0;
-}
-
-int lua_UILabel_getText() {
-    if(UILabelPtr label = boost::dynamic_pointer_cast<UILabel>(g_lua.popClassInstance()))
-        g_lua.pushString(label->getText());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UIButton
-
-int lua_UIButton_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::Button));
-    return 1;
-}
-
-int lua_UIButton_setText() {
-    std::string text = g_lua.popString();
-    if(UIButtonPtr button = boost::dynamic_pointer_cast<UIButton>(g_lua.popClassInstance()))
-        button->setText(text);
-    return 0;
-}
-
-int lua_UIButton_getText() {
-    if(UIButtonPtr button = boost::dynamic_pointer_cast<UIButton>(g_lua.popClassInstance()))
-        g_lua.pushString(button->getText());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UITextEdit
-
-int lua_UITextEdit_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::TextEdit));
-    return 1;
-}
-
-int lua_UITextEdit_setText() {
-    std::string text = g_lua.popString();
-    if(UITextEditPtr textEdit = boost::dynamic_pointer_cast<UITextEdit>(g_lua.popClassInstance()))
-        textEdit->setText(text);
-    return 0;
-}
-
-int lua_UITextEdit_getText() {
-    if(UITextEditPtr textEdit = boost::dynamic_pointer_cast<UITextEdit>(g_lua.popClassInstance()))
-        g_lua.pushString(textEdit->getText());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// UIWindow
-
-int lua_UIWindow_new() {
-    g_lua.pushClassInstance(lua_createUIElement(UI::Window));
-    return 1;
-}
-
-int lua_UIWindow_setTitle() {
-    std::string title = g_lua.popString();
-    if(UIWindowPtr window = boost::dynamic_pointer_cast<UIWindow>(g_lua.popClassInstance()))
-        window->setTitle(title);
-    return 0;
-}
-
-int lua_UIWindow_getTitle() {
-    if(UIWindowPtr window = boost::dynamic_pointer_cast<UIWindow>(g_lua.popClassInstance()))
-        g_lua.pushString(window->getTitle());
-    else
-        g_lua.pushNil();
-    return 1;
-}
-
-
-
-void registerScriptFunctions()
-{
-    ////////////////////////////////////////////////////////////////////////////////
-    // App
-    g_lua.registerModule("App");
-    // App.exit()
-    g_lua.registerMemberFunction("exit", &lua_App_exit);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UI
-    g_lua.registerClass("UI");
-    // UI.load(file, [parent])
-    g_lua.registerMemberFunction("load", &lua_UI_load);
-    // UI.getRootContainer()
-    g_lua.registerMemberFunction("getRootContainer", &lua_UI_getRootContainer);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UIElement
-    g_lua.registerClass("UIElement");
-    // (UIElement) UIElement.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UIElement_new);
-    // (string) UIElement.id
-    g_lua.registerMemberField("id", &lua_UIElement_getId, &lua_UIElement_setId);
-    // (boolean) UIElement.enabled
-    g_lua.registerMemberField("enabled", &lua_UIElement_isEnabled, &lua_UIElement_setEnabled);
-    // (boolean UIElement.visible
-    g_lua.registerMemberField("visible", &lua_UIElement_isVisible, &lua_UIElement_setVisible);
-    // (boolean UIElement.focused
-    g_lua.registerMemberField("focused", &lua_UIElement_isFocused, &lua_UIElement_setFocused);
-    // (integer) UIElement.width
-    g_lua.registerMemberField("width", &lua_UIElement_getWidth, &lua_UIElement_setWidth);
-    // (integer) UIElement.height
-    g_lua.registerMemberField("height", &lua_UIElement_getHeight, &lua_UIElement_setHeight);
-    // (UIContainer UIElement.parent
-    g_lua.registerMemberField("parent", &lua_UIElement_getParent, &lua_UIElement_setParent);
-    // element:setLocked(boolean locked)
-    g_lua.registerMemberFunction("setLocked", &lua_UIElement_setLocked);
-    // element:setMargin(int all)
-    // element:setMargin(int vertical, int horizontal)
-    // element:setMargin(int top, right, bottom, left)
-    g_lua.registerMemberFunction("setMargin", &lua_UIElement_setMargin);
-    // element:destroy()
-    g_lua.registerMemberFunction("destroy", &lua_UIElement_destroy);
-    // element:centerIn(UIContainer target)
-    g_lua.registerMemberFunction("centerIn", &lua_UIElement_centerIn);
-    // element:addAnchor(AnchorPoint anchoredEdge, UIElement target, AnchorPoint targetEdge)
-    // element:addAnchor(AnchorPoint anchoredEdge, string targetId, AnchorPoint targetEdge)
-    g_lua.registerMemberFunction("addAnchor", &lua_UIElement_addAnchor);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UIContainer
-    g_lua.registerClass("UIContainer", "UIElement");
-    // UIContainer.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UIContainer_new);
-    // container:child(string id)
-    g_lua.registerMemberFunction("child", &lua_UIContainer_child);
-    // (table) container:children()
-    g_lua.registerMemberFunction("children", &lua_UIContainer_getChildren);
-    // container:addChild(UIElement child)
-    g_lua.registerMemberFunction("addChild", &lua_UIContainer_addChild);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UILabel
-    g_lua.registerClass("UILabel", "UIElement");
-    // UILabel.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UILabel_new);
-    // label.text
-    g_lua.registerMemberField("text", &lua_UILabel_getText, &lua_UILabel_setText);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UIButton
-    g_lua.registerClass("UIButton", "UIElement");
-    // UIButton.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UIButton_new);
-    // button.text
-    g_lua.registerMemberField("text", &lua_UIButton_getText, &lua_UIButton_setText);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UITextEdit
-    g_lua.registerClass("UITextEdit", "UIElement");
-    // UITextEdit.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UITextEdit_new);
-    // textEdit.text
-    g_lua.registerMemberField("text", &lua_UITextEdit_getText, &lua_UITextEdit_setText);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // UIWindow
-    g_lua.registerClass("UIWindow", "UIContainer");
-    // UIWindow.new([UIContainer parent], [string id])
-    g_lua.registerMemberFunction("new", &lua_UIWindow_new);
-    // window.title
-    g_lua.registerMemberField("title", &lua_UIWindow_getTitle, &lua_UIWindow_setTitle);
-
-
-    ////////////////////////////////////////////////////////////////////////////////
-    // Protocol
-    g_lua.registerClass("ProtocolLogin");
-    g_lua.registerMemberFunction("new", []{
-        g_lua.pushClassInstance(ScriptObjectPtr(new ProtocolLogin));
-        return 1;
-    });
-    g_lua.registerMemberFunction("login", []{
-        std::string accountPassword = g_lua.popString();
-        std::string accountName = g_lua.popString();
-        if(ProtocolLoginPtr protocolLogin = boost::dynamic_pointer_cast<ProtocolLogin>(g_lua.popClassInstance()))
-            protocolLogin->login(accountName, accountPassword);
-        return 0;
-    });
-    g_lua.registerMemberFunction("cancel", []{
-        //TODO: this func
-        return 0;
-    });
-}
-
-
diff --git a/src/framework/script/scriptfunctions.h b/src/framework/script/scriptfunctions.h
deleted file mode 100644
index f7269566..00000000
--- a/src/framework/script/scriptfunctions.h
+++ /dev/null
@@ -1,10 +0,0 @@
-
-#ifndef SCRIPTFUNCTIONS_H
-#define SCRIPTFUNCTIONS_H
-
-#include <global.h>
-#include "scriptobject.h"
-
-void registerScriptFunctions();
-
-#endif // SCRIPTFUNCTIONS_H
diff --git a/src/framework/script/scriptobject.cpp b/src/framework/script/scriptobject.cpp
deleted file mode 100644
index 3763a77c..00000000
--- a/src/framework/script/scriptobject.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#include "scriptobject.h"
-#include "scriptcontext.h"
-
-#include <core/dispatcher.h>
-
-void ScriptObject::releaseScriptObject()
-{
-    if(m_scriptTableRef != -1) {
-        g_lua.releaseRef(m_scriptTableRef);
-        m_scriptTableRef = -1;
-    }
-}
-
-int ScriptObject::getScriptTable()
-{
-    if(m_scriptTableRef == -1) {
-        g_lua.newTable();
-        m_scriptTableRef = g_lua.popRef();
-    }
-    return m_scriptTableRef;
-}
-
-void ScriptObject::callScriptTableField(const std::string& field, int numArgs)
-{
-    // set self
-    g_lua.pushClassInstance(shared_from_this());
-    g_lua.setGlobal("self");
-
-    // push field
-    g_lua.getScriptObjectField(shared_from_this(), field);
-
-    // call it if its a function
-    if(g_lua.isFunction()) {
-        g_lua.insert(-numArgs-1);
-        g_lua.callFunction(numArgs);
-    // if its an array call each element
-    } else if(g_lua.isTable()) {
-        //TODO: call here with arguments
-        g_lua.pushNil();
-        while(g_lua.next()) {
-            // call it if its a function
-            if(g_lua.isFunction())
-                g_lua.callFunction();
-            g_lua.pop();
-        }
-    } else if(!g_lua.isNil()) {
-        g_lua.reportError(make_string("field '", field, "' for '", getScriptObjectType(), "' is not a valid function or array of functions"));
-    }
-
-    // release self
-    g_lua.pushNil();
-    g_lua.setGlobal("self");
-}
-
diff --git a/src/framework/script/scriptobject.h b/src/framework/script/scriptobject.h
deleted file mode 100644
index f8ab3ac6..00000000
--- a/src/framework/script/scriptobject.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef SCRIPTOBJECT_H
-#define SCRIPTOBJECT_H
-
-#include <global.h>
-
-class ScriptObject : public boost::enable_shared_from_this<ScriptObject>
-{
-public:
-    ScriptObject() : m_scriptTableRef(-1) { }
-    virtual ~ScriptObject() { releaseScriptObject(); }
-
-    void releaseScriptObject();
-
-    //TODO: global destroy
-    virtual const char *getScriptObjectType() const { return NULL; }
-
-    int getScriptTable();
-    void callScriptTableField(const std::string& field, int numArgs = 0);
-
-private:
-    int m_scriptTableRef;
-};
-
-typedef boost::shared_ptr<ScriptObject> ScriptObjectPtr;
-
-#endif // SCRIPTOBJECT_H
diff --git a/src/framework/script_bak/luafunctions.cpp b/src/framework/script_bak/luafunctions.cpp
new file mode 100644
index 00000000..af9c8aa5
--- /dev/null
+++ b/src/framework/script_bak/luafunctions.cpp
@@ -0,0 +1,285 @@
+#include <global.h>
+#include <script/luafunctions.h>
+#include <script/luacontext.h>
+#include <core/engine.h>
+#include <core/resources.h>
+#include <ui/ui.h>
+#include <core/dispatcher.h>
+#include "../../protocollogin.h"
+
+#include <boost/algorithm/string.hpp>
+
+int lua_App_exit() {
+    g_engine.stop();
+    return 0;
+}
+
+int lua_App_loadUI() {
+    UIContainerPtr parent;
+    if(g_lua.stackSize() > 1)
+        parent = std::dynamic_pointer_cast<UIContainer>(g_lua.popLuaObjectInstance());
+    else
+        parent = UIContainer::getRoot();
+
+    std::string uiFile = g_lua.popString();
+
+    if(!boost::ends_with(uiFile, ".otml"))
+        uiFile.append(".otml");
+
+    UIElementPtr element;
+    if(parent) {
+        element = g_uiLoader.loadFromFile(uiFile.c_str(), parent);
+        if(!element) {
+            g_lua.reportFuncErrorWithTraceback("failed to load UI");
+        }
+    } else
+        g_lua.reportFuncErrorWithTraceback("invalid parent container");
+
+    g_lua.pushLuaObjectInstance(element);
+    return 1;
+}
+
+int lua_App_getRootContainer() {
+    UIContainerPtr rootContainer = UIContainer::getRoot();
+    g_lua.pushLuaObjectInstance(rootContainer);
+    return 1;
+}
+
+UIElementPtr lua_createUIElement(UI::ElementType elementType)
+{
+    std::string id;
+    UIContainerPtr parent;
+
+    if(g_lua.stackSize() > 1)
+        parent = std::dynamic_pointer_cast<UIContainer>(g_lua.popLuaObjectInstance());
+
+    if(g_lua.stackSize() > 0) {
+        if(g_lua.isString())
+            id = g_lua.popString();
+        else
+            parent = std::dynamic_pointer_cast<UIContainer>(g_lua.popLuaObjectInstance());
+    }
+
+    UIElementPtr element;
+    switch(elementType) {
+        case UI::Element:
+            element = UIElementPtr(new UIElement);
+            break;
+        case UI::Container:
+            element = UIElementPtr(new UIContainer);
+            break;
+        case UI::Label:
+            element = UIElementPtr(new UILabel);
+            break;
+        case UI::Button:
+            element = UIElementPtr(new UIButton);
+            break;
+        case UI::TextEdit:
+            element = UIElementPtr(new UITextEdit);
+            break;
+        case UI::Window:
+            element = UIElementPtr(new UIWindow);
+            break;
+        default:
+            break;
+    }
+
+    if(element) {
+        if(!id.empty())
+            element->setId(id);
+
+        if(parent)
+            parent->addChild(element);
+
+        element->applyDefaultSkin();
+    }
+
+    return element;
+}
+
+int lua_UIElement_setLocked() {
+    bool locked = true;
+    if(g_lua.stackSize() > 1)
+        locked = g_lua.popBoolean();
+
+    if(UIElementPtr element = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance())) {
+        if(UIContainerPtr container = element->getParent()) {
+            if(locked)
+                container->lockElement(element);
+            else
+                container->unlockElement(element);
+        } else
+            g_lua.reportFuncErrorWithTraceback("locking failed, element has no parent");
+    }
+
+    return 0;
+}
+
+int lua_UIElement_setMargin() {
+    int top = 0, right = 0, bottom = 0, left = 0;
+    if(g_lua.stackSize() == 5) {
+        left = g_lua.popInteger();
+        bottom = g_lua.popInteger();
+        right = g_lua.popInteger();
+        top = g_lua.popInteger();
+    } else if(g_lua.stackSize() == 3) {
+        left = right = g_lua.popInteger();
+        top = bottom = g_lua.popInteger();
+    } else if(g_lua.stackSize() == 2) {
+        top = right = bottom = left = g_lua.popInteger();
+    } else {
+        g_lua.reportFuncErrorWithTraceback("invalid number of arguments");
+    }
+
+    if(UIElementPtr element = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance()))
+        element->setMargin(top, right, bottom, left);
+    return 0;
+}
+
+
+int lua_UIElement_centerIn() {
+    std::string targetId;
+    if(g_lua.isString())
+        targetId = g_lua.popString();
+    else if(UIElementPtr target = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance()))
+        targetId = target->getId();
+
+    if(UIElementPtr element = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance()))
+        element->centerIn(targetId);
+    return 0;
+}
+
+int lua_UIElement_addAnchor() {
+    AnchorPoint targetEdge = (AnchorPoint)g_lua.popInteger();
+
+    std::string targetId;
+    if(g_lua.isString())
+        targetId = g_lua.popString();
+    else if(UIElementPtr target = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance()))
+        targetId = target->getId();
+
+    AnchorPoint anchoredEdge = (AnchorPoint)g_lua.popInteger();
+
+    if(UIElementPtr element = std::dynamic_pointer_cast<UIElement>(g_lua.popLuaObjectInstance()))
+        element->addAnchor(anchoredEdge, AnchorLine(targetId, targetEdge));
+    return 0;
+}
+
+
+void registerScriptFunctions()
+{
+    ////////////////////////////////////////////////////////////////////////////////
+    // App
+    g_lua.registerModule("App");
+    // App.exit()
+    g_lua.registerMemberFunction("exit", &lua_App_exit);
+    // App.loadUI(file, [parent])
+    g_lua.registerMemberFunction("loadUI", &lua_App_loadUI);
+    // App.getRootContainer()
+    g_lua.registerMemberFunction("getRootContainer", &lua_App_getRootContainer);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UIElement
+    g_lua.registerClass("UIElement");
+    // (UIElement) UIElement.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UIElement_new);
+    // (string) UIElement.id
+    g_lua.registerMemberField("id", &lua_UIElement_getId, &lua_UIElement_setId);
+    // (boolean) UIElement.enabled
+    g_lua.registerMemberField("enabled", &lua_UIElement_isEnabled, &lua_UIElement_setEnabled);
+    // (boolean UIElement.visible
+    g_lua.registerMemberField("visible", &lua_UIElement_isVisible, &lua_UIElement_setVisible);
+    // (boolean UIElement.focused
+    g_lua.registerMemberField("focused", &lua_UIElement_isFocused, &lua_UIElement_setFocused);
+    // (integer) UIElement.width
+    g_lua.registerMemberField("width", &lua_UIElement_getWidth, &lua_UIElement_setWidth);
+    // (integer) UIElement.height
+    g_lua.registerMemberField("height", &lua_UIElement_getHeight, &lua_UIElement_setHeight);
+    // (UIContainer UIElement.parent
+    g_lua.registerMemberField("parent", &lua_UIElement_getParent, &lua_UIElement_setParent);
+    // element:setLocked(boolean locked)
+    g_lua.registerMemberFunction("setLocked", &lua_UIElement_setLocked);
+    // element:setMargin(int all)
+    // element:setMargin(int vertical, int horizontal)
+    // element:setMargin(int top, right, bottom, left)
+    g_lua.registerMemberFunction("setMargin", &lua_UIElement_setMargin);
+    // element:destroy()
+    g_lua.registerMemberFunction("destroy", &lua_UIElement_destroy);
+    // element:centerIn(UIContainer target)
+    g_lua.registerMemberFunction("centerIn", &lua_UIElement_centerIn);
+    // element:addAnchor(AnchorPoint anchoredEdge, UIElement target, AnchorPoint targetEdge)
+    // element:addAnchor(AnchorPoint anchoredEdge, string targetId, AnchorPoint targetEdge)
+    g_lua.registerMemberFunction("addAnchor", &lua_UIElement_addAnchor);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UIContainer
+    g_lua.registerClass("UIContainer", "UIElement");
+    // UIContainer.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UIContainer_new);
+    // container:child(string id)
+    g_lua.registerMemberFunction("child", &lua_UIContainer_child);
+    // (table) container:children()
+    g_lua.registerMemberFunction("children", &lua_UIContainer_getChildren);
+    // container:addChild(UIElement child)
+    g_lua.registerMemberFunction("addChild", &lua_UIContainer_addChild);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UILabel
+    g_lua.registerClass("UILabel", "UIElement");
+    // UILabel.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UILabel_new);
+    // label.text
+    g_lua.registerMemberField("text", &lua_UILabel_getText, &lua_UILabel_setText);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UIButton
+    g_lua.registerClass("UIButton", "UIElement");
+    // UIButton.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UIButton_new);
+    // button.text
+    g_lua.registerMemberField("text", &lua_UIButton_getText, &lua_UIButton_setText);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UITextEdit
+    g_lua.registerClass("UITextEdit", "UIElement");
+    // UITextEdit.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UITextEdit_new);
+    // textEdit.text
+    g_lua.registerMemberField("text", &lua_UITextEdit_getText, &lua_UITextEdit_setText);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // UIWindow
+    g_lua.registerClass("UIWindow", "UIContainer");
+    // UIWindow.new([UIContainer parent], [string id])
+    g_lua.registerMemberFunction("new", &lua_UIWindow_new);
+    // window.title
+    g_lua.registerMemberField("title", &lua_UIWindow_getTitle, &lua_UIWindow_setTitle);
+
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // Protocol
+    g_lua.registerClass("ProtocolLogin");
+    g_lua.registerMemberFunction("new", []{
+        g_lua.pushLuaObjectInstance(LuaObjectPtr(new ProtocolLogin));
+        return 1;
+    });
+    g_lua.registerMemberFunction("login", []{
+        std::string accountPassword = g_lua.popString();
+        std::string accountName = g_lua.popString();
+        if(ProtocolLoginPtr protocolLogin = std::dynamic_pointer_cast<ProtocolLogin>(g_lua.popLuaObjectInstance()))
+            protocolLogin->login(accountName, accountPassword);
+        return 0;
+    });
+    g_lua.registerMemberFunction("cancel", []{
+        //TODO: this func
+        return 0;
+    });
+}
+
+
diff --git a/src/framework/ui/uianchorlayout.h b/src/framework/ui/uianchorlayout.h
index 6de1f399..13b1b357 100644
--- a/src/framework/ui/uianchorlayout.h
+++ b/src/framework/ui/uianchorlayout.h
@@ -5,8 +5,8 @@
 #include <ui/uilayout.h>
 
 class UIElement;
-typedef boost::shared_ptr<UIElement> UIElementPtr;
-typedef boost::weak_ptr<UIElement> UIElementWeakPtr;
+typedef std::shared_ptr<UIElement> UIElementPtr;
+typedef std::weak_ptr<UIElement> UIElementWeakPtr;
 
 enum AnchorPoint {
     AnchorNone = 0,
@@ -61,6 +61,6 @@ private:
     std::vector<Anchor> m_anchors;
 };
 
-typedef boost::shared_ptr<UIAnchorLayout> UIAnchorLayoutPtr;
+typedef std::shared_ptr<UIAnchorLayout> UIAnchorLayoutPtr;
 
 #endif // UIANCHORLAYOUT_H
diff --git a/src/framework/ui/uibutton.cpp b/src/framework/ui/uibutton.cpp
index 4c8ec72b..8437172c 100644
--- a/src/framework/ui/uibutton.cpp
+++ b/src/framework/ui/uibutton.cpp
@@ -10,7 +10,10 @@ void UIButton::onInputEvent(const InputEvent& event)
     } else if(event.type == EV_MOUSE_LUP && m_state == ButtonDown) {
         m_state = ButtonUp;
         if(getRect().contains(event.mousePos)) {
-            g_dispatcher.addTask(boost::bind(&ScriptObject::callScriptTableField, shared_from_this(), "onClick", 0));
+            LuaObjectPtr me = asLuaObject();
+            g_dispatcher.addTask([me] {
+                me->callField("onClick");
+            });
         }
     } else if(event.type == EV_MOUSE_MOVE && m_state != ButtonDown) {
         if(isMouseOver())
diff --git a/src/framework/ui/uibutton.h b/src/framework/ui/uibutton.h
index 923854ef..64eb0115 100644
--- a/src/framework/ui/uibutton.h
+++ b/src/framework/ui/uibutton.h
@@ -6,7 +6,7 @@
 #include <graphics/borderedimage.h>
 
 class UIButton;
-typedef boost::shared_ptr<UIButton> UIButtonPtr;
+typedef std::shared_ptr<UIButton> UIButtonPtr;
 
 class UIButton : public UIElement
 {
@@ -22,6 +22,8 @@ public:
         UIElement(UI::Button),
         m_state(ButtonUp) {  }
 
+    static UIButtonPtr create() { return UIButtonPtr(new UIButton); }
+
     void onInputEvent(const InputEvent& event);
 
     void setText(const std::string& text) { m_text = text; }
@@ -29,7 +31,7 @@ public:
 
     ButtonState getState() { return m_state; }
 
-    virtual const char *getScriptObjectType() const { return "UIButton"; }
+    virtual const char *getLuaTypeName() const { return "UIButton"; }
 
 private:
     std::string m_text;
diff --git a/src/framework/ui/uibuttonskin.h b/src/framework/ui/uibuttonskin.h
index 26a35490..40f5d154 100644
--- a/src/framework/ui/uibuttonskin.h
+++ b/src/framework/ui/uibuttonskin.h
@@ -11,7 +11,7 @@ struct UIButtonStateSkin {
     Point textTranslate;
     Color textColor;
 };
-typedef boost::shared_ptr<UIButtonStateSkin> UIButtonStateSkinPtr;
+typedef std::shared_ptr<UIButtonStateSkin> UIButtonStateSkinPtr;
 
 class UIButtonSkin : public UIElementSkin
 {
diff --git a/src/framework/ui/uicheckbox.h b/src/framework/ui/uicheckbox.h
index 56dd3a99..9ca8fcef 100644
--- a/src/framework/ui/uicheckbox.h
+++ b/src/framework/ui/uicheckbox.h
@@ -9,7 +9,7 @@ class UICheckBox : public UIElement
 public:
     UICheckBox(UI::ElementType type = UI::Element);
 
-    virtual const char *getScriptObjectType() const { return "UICheckBox"; }
+    virtual const char *getLuaTypeName() const { return "UICheckBox"; }
 };
 
 #endif // UICHECKBOX_H
diff --git a/src/framework/ui/uicontainer.cpp b/src/framework/ui/uicontainer.cpp
index 009369ee..f556a33c 100644
--- a/src/framework/ui/uicontainer.cpp
+++ b/src/framework/ui/uicontainer.cpp
@@ -67,18 +67,48 @@ UIElementPtr UIContainer::getChildById(const std::string& id)
 {
     if(getId() == id || id == "self")
         return asUIElement();
-
-    if(id == "parent")
+    else if(id == "parent")
         return getParent();
-
-    if(id == "root")
+    else if(id == "root")
         return getRoot();
+    else if(id == "prev") {
+        if(UIContainerPtr parent = getParent())
+            return parent->getChildBefore(asUIElement());
+    } else if(id == "next") {
+        if(UIContainerPtr parent = getParent())
+            return parent->getChildAfter(asUIElement());
+    } else {
+        foreach(const UIElementPtr& child, m_children) {
+            if(child->getId() == id)
+                return child;
+        }
+    }
+    return UIElementPtr();
+}
 
-    foreach(const UIElementPtr& child, m_children) {
-        if(child->getId() == id)
-            return child;
+UIElementPtr UIContainer::getChildBefore(const UIElementPtr& reference)
+{
+    for(auto it = m_children.rbegin(); it != m_children.rend(); ++it) {
+        const UIElementPtr& element = (*it);
+        if(element == reference) {
+            if(++it != m_children.rend())
+                return (*it);
+            break;
+        }
     }
+    return UIElementPtr();
+}
 
+UIElementPtr UIContainer::getChildAfter(const UIElementPtr& reference)
+{
+    for(auto it = m_children.begin(); it != m_children.end(); ++it) {
+        const UIElementPtr& element = (*it);
+        if(element == reference) {
+            if(++it != m_children.end())
+                return (*it);
+            break;
+        }
+    }
     return UIElementPtr();
 }
 
@@ -86,26 +116,30 @@ UIElementPtr UIContainer::recursiveGetChildById(const std::string& id)
 {
     if(getId() == id || id == "self")
         return asUIElement();
-
-    if(id == "parent")
+    else if(id == "parent")
         return getParent();
-
-    if(id == "root")
+    else if(id == "root")
         return getRoot();
-
-    foreach(const UIElementPtr& element, m_children) {
-        if(element->getId() == id)
-            return element;
-        else {
-            UIContainerPtr container = element->asUIContainer();
-            if(container) {
-                UIElementPtr element2 = container->recursiveGetChildById(id);
-                if(element2)
-                    return element2;
+    else if(id == "prev") {
+        if(UIContainerPtr parent = getParent())
+            return parent->getChildBefore(asUIElement());
+    } else if(id == "next") {
+        if(UIContainerPtr parent = getParent())
+            return parent->getChildAfter(asUIElement());
+    } else {
+        foreach(const UIElementPtr& element, m_children) {
+            if(element->getId() == id)
+                return element;
+            else {
+                UIContainerPtr container = element->asUIContainer();
+                if(container) {
+                    UIElementPtr element2 = container->recursiveGetChildById(id);
+                    if(element2)
+                        return element2;
+                }
             }
         }
     }
-
     return UIElementPtr();
 }
 
@@ -239,7 +273,7 @@ void UIContainer::setFocusedElement(const UIElementPtr& focusedElement)
 
     // when containers are focused they go to the top
     if(focusedElement && focusedElement->asUIContainer()) {
-        g_dispatcher.addTask(boost::bind(&UIContainer::pushChildToTop, asUIContainer(), m_focusedElement));
+        g_dispatcher.addTask(std::bind(&UIContainer::pushChildToTop, asUIContainer(), m_focusedElement));
     }
 }
 
diff --git a/src/framework/ui/uicontainer.h b/src/framework/ui/uicontainer.h
index 619c852e..b348a2fb 100644
--- a/src/framework/ui/uicontainer.h
+++ b/src/framework/ui/uicontainer.h
@@ -11,6 +11,7 @@ public:
         UIElement(type) { }
     virtual ~UIContainer() { }
 
+    static UIContainerPtr create() { return UIContainerPtr(new UIContainer); }
     virtual void destroy();
     virtual void onLoad();
     virtual void render();
@@ -28,6 +29,8 @@ public:
     UIElementPtr recursiveGetChildById(const std::string& id);
     /// Find an element by position
     UIElementPtr getChildByPos(const Point& pos);
+    UIElementPtr getChildBefore(const UIElementPtr& reference);
+    UIElementPtr getChildAfter(const UIElementPtr& reference);
     /// Find an element in this container and in its children by position
     UIElementPtr recursiveGetChildByPos(const Point& pos);
     /// Get children
@@ -37,6 +40,7 @@ public:
     /// Return number of children
     int getChildCount() const { return m_children.size(); }
 
+
     /// Disable all children except the specified element
     bool lockElement(const UIElementPtr& element);
     /// Renable all children
@@ -50,9 +54,9 @@ public:
     UIElementPtr getFocusedElement() const { return m_focusedElement; }
 
     virtual UI::ElementType getElementType() const { return UI::Container; }
-    UIContainerPtr asUIContainer() { return boost::static_pointer_cast<UIContainer>(shared_from_this()); }
+    UIContainerPtr asUIContainer() { return std::static_pointer_cast<UIContainer>(shared_from_this()); }
 
-    virtual const char *getScriptObjectType() const { return "UIContainer"; }
+    virtual const char *getLuaTypeName() const { return "UIContainer"; }
 
     /// Get root container (the container that contains everything)
     static UIContainerPtr& getRoot();
diff --git a/src/framework/ui/uielement.cpp b/src/framework/ui/uielement.cpp
index 624dd8ec..162b8d9f 100644
--- a/src/framework/ui/uielement.cpp
+++ b/src/framework/ui/uielement.cpp
@@ -6,13 +6,15 @@
 #include <ui/uielementskin.h>
 #include <ui/uicontainer.h>
 #include <ui/uianchorlayout.h>
+#include <script/luainterface.h>
 
 UIElement::UIElement(UI::ElementType type) :
-    ScriptObject(),
+    LuaObject(),
     m_type(type),
     m_visible(true),
     m_enabled(true),
     m_mouseOver(false),
+    m_destroyed(false),
     m_marginLeft(0),
     m_marginRight(0),
     m_marginTop(0),
@@ -31,30 +33,33 @@ UIElement::~UIElement()
 void UIElement::destroyLater()
 {
     //logTraceDebug(getId());
-    g_dispatcher.addTask(boost::bind(&UIElement::destroy, asUIElement()));
+    if(!m_destroyed)
+        g_dispatcher.addTask(std::bind(&UIElement::destroy, asUIElement()));
 }
 
 void UIElement::destroy()
 {
     //logTraceDebug(getId());
+    if(!m_destroyed) {
+        UIElementPtr me = asUIElement();
 
-    UIElementPtr me = asUIElement();
-    callScriptTableField("onDestroy");
-
-    // remove from parent
-    if(getParent())
-        getParent()->removeChild(me);
+        // remove from parent
+        if(getParent())
+            getParent()->removeChild(me);
 
-    // free script stuff
-    releaseScriptObject();
+        g_dispatcher.addTask(std::bind(&UIElement::destroyCheck, me));
 
-    g_dispatcher.addTask(boost::bind(&UIElement::destroyCheck, me));
+        m_destroyed = true;
+    }
 }
 
 void UIElement::destroyCheck()
 {
     //logTraceDebug(getId());
 
+    for(int i=0;i<2;++i)
+        g_lua.collectGarbage();
+
     UIElementPtr me = asUIElement();
     // check for leaks, the number of references must be always 2 here
     if(me.use_count() != 2 && me != UIContainer::getRoot()) {
@@ -99,7 +104,10 @@ void UIElement::setSkin(const UIElementSkinPtr& skin)
 
 void UIElement::onLoad()
 {
-    g_dispatcher.addTask(boost::bind(&ScriptObject::callScriptTableField, shared_from_this(), "onLoad", 0));
+    UIElementPtr me = asUIElement();
+    g_dispatcher.addTask([me] {
+        me->callField("onLoad");
+    });
 }
 
 void UIElement::render()
@@ -111,24 +119,29 @@ void UIElement::render()
 
 UIElementPtr UIElement::backwardsGetElementById(const std::string& id)
 {
+    UIElementPtr element;
     if(getId() == id || id == "self")
-        return asUIElement();
-
-    if(id == "parent")
-        return getParent();
-
-    if(id == "root")
-        return UIContainer::getRoot();
+        element = asUIElement();
+    else if(id == "parent")
+        element = getParent();
+    else if(id == "root")
+        element = UIContainer::getRoot();
+    else if(id == "prev") {
+        if(UIContainerPtr parent = getParent())
+            element = parent->getChildBefore(asUIElement());
+    } else if(id == "next") {
+        if(UIContainerPtr parent = getParent())
+            element = parent->getChildAfter(asUIElement());
+    } else {
+        if(asUIContainer()) {
+            element = asUIContainer()->recursiveGetChildById(id);
+            if(element)
+                return element;
+        }
 
-    UIElementPtr element;
-    if(asUIContainer()) {
-        element = asUIContainer()->recursiveGetChildById(id);
-        if(element)
-            return element;
+        if(getParent())
+            element = getParent()->backwardsGetElementById(id);
     }
-
-    if(getParent())
-        element = getParent()->backwardsGetElementById(id);
     return element;
 }
 
@@ -153,6 +166,17 @@ void UIElement::moveTo(Point pos)
     setRect(newRect);
 }
 
+void UIElement::setLocked(bool locked)
+{
+    UIContainerPtr parent = getParent();
+    if(parent) {
+        if(locked)
+            parent->lockElement(asUIElement());
+        else
+            parent->unlockElement(asUIElement());
+    }
+}
+
 void UIElement::setParent(UIContainerPtr parent)
 {
     UIElementPtr me = asUIElement();
@@ -197,17 +221,13 @@ UILayoutPtr UIElement::getLayout() const
 
 void UIElement::centerIn(const std::string& targetId)
 {
-    addAnchor(AnchorHorizontalCenter, AnchorLine(targetId, AnchorHorizontalCenter));
-    addAnchor(AnchorVerticalCenter, AnchorLine(targetId, AnchorVerticalCenter));
+    addAnchor(AnchorHorizontalCenter, targetId, AnchorHorizontalCenter);
+    addAnchor(AnchorVerticalCenter, targetId, AnchorVerticalCenter);
 }
 
-void UIElement::addAnchor(AnchorPoint anchoredEdge, AnchorLine anchorEdge)
+void UIElement::addAnchor(AnchorPoint edge, const std::string& targetId, AnchorPoint targetEdge)
 {
-    UIElementPtr target = backwardsGetElementById(anchorEdge.getElementId());
-    if(!target)
-        logWarning("warning: element id '", anchorEdge.getElementId(), "' doesn't exist while anchoring element '", getId(), "'");
-
-    UIAnchorLayoutPtr layout = boost::dynamic_pointer_cast<UIAnchorLayout>(getLayout());
+    UIAnchorLayoutPtr layout = std::dynamic_pointer_cast<UIAnchorLayout>(getLayout());
     if(layout)
-        layout->addAnchor(asUIElement(), anchoredEdge, anchorEdge);
+        layout->addAnchor(asUIElement(), edge, AnchorLine(targetId, targetEdge));
 }
diff --git a/src/framework/ui/uielement.h b/src/framework/ui/uielement.h
index fc43e310..2d3c3e6e 100644
--- a/src/framework/ui/uielement.h
+++ b/src/framework/ui/uielement.h
@@ -3,7 +3,7 @@
 
 #include <global.h>
 #include <core/input.h>
-#include <script/scriptobject.h>
+#include <script/luaobject.h>
 #include <ui/uianchorlayout.h>
 
 namespace UI {
@@ -21,22 +21,23 @@ namespace UI {
 }
 
 class UIElementSkin;
-typedef boost::shared_ptr<UIElementSkin> UIElementSkinPtr;
+typedef std::shared_ptr<UIElementSkin> UIElementSkinPtr;
 
 class UIContainer;
-typedef boost::shared_ptr<UIContainer> UIContainerPtr;
-typedef boost::weak_ptr<UIContainer> UIContainerWeakPtr;
+typedef std::shared_ptr<UIContainer> UIContainerPtr;
+typedef std::weak_ptr<UIContainer> UIContainerWeakPtr;
 
 class UIElement;
-typedef boost::shared_ptr<UIElement> UIElementPtr;
-typedef boost::weak_ptr<UIElement> UIElementWeakPtr;
+typedef std::shared_ptr<UIElement> UIElementPtr;
+typedef std::weak_ptr<UIElement> UIElementWeakPtr;
 
-class UIElement : public ScriptObject
+class UIElement : public LuaObject
 {
 public:
     UIElement(UI::ElementType type = UI::Element);
     virtual ~UIElement();
 
+    static UIElementPtr create() { return UIElementPtr(new UIElement); }
     void destroyLater();
     virtual void destroy();
     virtual void destroyCheck();
@@ -54,6 +55,8 @@ public:
 
     void moveTo(Point pos);
 
+    void setLocked(bool locked);
+
     void setLayout(const UILayoutPtr& layout) { m_layout = layout; }
     UILayoutPtr getLayout() const;
 
@@ -82,9 +85,9 @@ public:
     virtual bool isFocusable() const { return false; }
     UI::ElementType getElementType() const { return m_type; }
 
-    UIElementPtr asUIElement() { return boost::static_pointer_cast<UIElement>(shared_from_this()); }
+    UIElementPtr asUIElement() { return std::static_pointer_cast<UIElement>(shared_from_this()); }
     virtual UIContainerPtr asUIContainer() { return UIContainerPtr(); }
-    virtual const char *getScriptObjectType() const { return "UIElement"; }
+    virtual const char *getLuaTypeName() const { return "UIElement"; }
 
     void setSize(const Size& size);
     void setSize(int width, int height) { setSize(Size(width, height)); }
@@ -115,7 +118,7 @@ public:
     int getMarginBottom() const { return m_marginBottom; }
 
     void centerIn(const std::string& targetId);
-    void addAnchor(AnchorPoint anchoredEdge, AnchorLine anchorEdge);
+    void addAnchor(AnchorPoint edge, const std::string& targetId, AnchorPoint targetEdge);
 
 private:
     UI::ElementType m_type;
@@ -126,6 +129,7 @@ private:
     bool m_visible;
     bool m_enabled;
     bool m_mouseOver;
+    bool m_destroyed;
 
     Rect m_rect;
     int m_marginLeft;
diff --git a/src/framework/ui/uielementskin.h b/src/framework/ui/uielementskin.h
index 1cf3815a..df897533 100644
--- a/src/framework/ui/uielementskin.h
+++ b/src/framework/ui/uielementskin.h
@@ -43,6 +43,6 @@ private:
     Color m_fontColor;
 };
 
-typedef boost::shared_ptr<UIElementSkin> UIElementSkinPtr;
+typedef std::shared_ptr<UIElementSkin> UIElementSkinPtr;
 
 #endif // UIELEMENTSKIN_H
diff --git a/src/framework/ui/uilabel.h b/src/framework/ui/uilabel.h
index a438951f..9d1c6149 100644
--- a/src/framework/ui/uilabel.h
+++ b/src/framework/ui/uilabel.h
@@ -5,6 +5,9 @@
 #include <ui/uielement.h>
 #include <graphics/font.h>
 
+class UILabel;
+typedef std::shared_ptr<UILabel> UILabelPtr;
+
 class UILabel : public UIElement
 {
 public:
@@ -12,19 +15,21 @@ public:
         UIElement(UI::Label),
         m_align(AlignLeftCenter) { }
 
+    static UILabelPtr create() { return UILabelPtr(new UILabel); }
+
     void setText(const std::string& text);
     std::string getText() const { return m_text; }
 
     void setAlign(AlignmentFlag align) { m_align = align; }
     AlignmentFlag getAlign() const { return m_align; }
 
-    virtual const char *getScriptObjectType() const { return "UILabel"; }
+    virtual const char *getLuaTypeName() const { return "UILabel"; }
 
 private:
     std::string m_text;
     AlignmentFlag m_align;
 };
 
-typedef boost::shared_ptr<UILabel> UILabelPtr;
+typedef std::shared_ptr<UILabel> UILabelPtr;
 
 #endif // UILABEL_H
diff --git a/src/framework/ui/uilayout.h b/src/framework/ui/uilayout.h
index d6a3ebd8..3b12975b 100644
--- a/src/framework/ui/uilayout.h
+++ b/src/framework/ui/uilayout.h
@@ -4,12 +4,12 @@
 #include <global.h>
 
 class UIElement;
-typedef boost::shared_ptr<UIElement> UIElementPtr;
+typedef std::shared_ptr<UIElement> UIElementPtr;
 
 class UILayout;
-typedef boost::shared_ptr<UILayout> UILayoutPtr;
+typedef std::shared_ptr<UILayout> UILayoutPtr;
 
-class UILayout : public boost::enable_shared_from_this<UILayout>
+class UILayout : public std::enable_shared_from_this<UILayout>
 {
 public:
     UILayout() { }
diff --git a/src/framework/ui/uiloader.cpp b/src/framework/ui/uiloader.cpp
index 13c816be..33a2fb5d 100644
--- a/src/framework/ui/uiloader.cpp
+++ b/src/framework/ui/uiloader.cpp
@@ -2,8 +2,7 @@
 #include <core/resources.h>
 #include <ui/ui.h>
 #include <ui/uiloader.h>
-#include <script/scriptcontext.h>
-#include <script/scriptfunctions.h>
+#include <script/luainterface.h>
 #include <otml/otml.h>
 #include <ui/uianchorlayout.h>
 #include <util/translator.h>
@@ -46,16 +45,19 @@ UIElementPtr UILoader::createElementFromId(const std::string& id)
     return element;
 }
 
-UIElementPtr UILoader::loadFromFile(std::string filePath, const UIContainerPtr& parent)
+UIElementPtr UILoader::loadFromFile(std::string fileName, const UIContainerPtr& parent)
 {
     UIElementPtr element;
 
+    if(!boost::ends_with(".otml", fileName))
+        fileName += ".otml";
+
     std::stringstream fin;
-    if(!g_resources.loadFile(filePath, fin))
+    if(!g_resources.loadFile(fileName, fin))
         return element;
 
     try {
-        OTMLParser parser(fin, filePath);
+        OTMLParser parser(fin, fileName);
         OTMLNode* doc = parser.getDocument();
 
         // get element id
@@ -82,7 +84,7 @@ UIElementPtr UILoader::loadFromFile(std::string filePath, const UIContainerPtr&
         // report onLoad events
         element->onLoad();
     } catch(OTMLException e) {
-        logError("ERROR: Failed to load ui ",filePath,": ", e.what());
+        logError("ERROR: Failed to load ui ", g_resources.resolvePath(fileName) ,": ", e.what());
     }
 
     return element;
@@ -139,9 +141,13 @@ void UILoader::loadElement(const UIElementPtr& element, OTMLNode* node)
     } else // apply default skin
         element->applyDefaultSkin();
 
-    // load elements common proprieties
-    if(node->hasChild("size"))
-        element->setSize(node->readAt<Size>("size"));
+    // load size
+    Size size = element->getSize();
+    size = node->readAt("size", size);
+    size.setWidth(node->readAt("width", size.width()));
+    size.setHeight(node->readAt("height", size.height()));
+    if(size.isValid())
+        element->setSize(size);
 
     // load margins
     element->setMarginLeft(node->readAtPath("margin/left", 0));
@@ -159,18 +165,20 @@ void UILoader::loadElement(const UIElementPtr& element, OTMLNode* node)
 
     // load basic element events
     loadElementScriptFunction(element, node->at("onLoad"));
-    loadElementScriptFunction(element, node->at("onDestroy"));
 
     // load specific element type
     switch(element->getElementType()) {
         case UI::Button:
-            loadButton(boost::static_pointer_cast<UIButton>(element), node);
+            loadButton(std::static_pointer_cast<UIButton>(element), node);
             break;
         case UI::Window:
-            loadWindow(boost::static_pointer_cast<UIWindow>(element), node);
+            loadWindow(std::static_pointer_cast<UIWindow>(element), node);
             break;
         case UI::Label:
-            loadLabel(boost::static_pointer_cast<UILabel>(element), node);
+            loadLabel(std::static_pointer_cast<UILabel>(element), node);
+            break;
+        case UI::TextEdit:
+            loadTextEdit(std::static_pointer_cast<UITextEdit>(element), node);
             break;
         default:
             break;
@@ -188,7 +196,7 @@ void UILoader::loadElementAnchor(const UIElementPtr& anchoredElement, AnchorPoin
         return;
     }
 
-    UIAnchorLayoutPtr layout = boost::dynamic_pointer_cast<UIAnchorLayout>(anchoredElement->getLayout());
+    UIAnchorLayoutPtr layout = std::dynamic_pointer_cast<UIAnchorLayout>(anchoredElement->getLayout());
     if(!layout) {
         logError(node->generateErrorMessage("could not add anchor, because this element does not participate of an anchor layout"));
         return;
@@ -222,8 +230,9 @@ void UILoader::loadElementScriptFunction(const UIElementPtr& element, OTMLNode*
     functionDesc += g_resources.resolvePath(node->what()) + ":" + element->getId();
     functionDesc += "[" + node->tag() + "]";
 
-    if(g_lua.loadBufferAsFunction(node->value(), functionDesc))
-        g_lua.setScriptObjectField(element, node->tag());
+    LuaValuePtr function = g_lua.loadFunction(node->value(), functionDesc);
+    if(function->isFunction())
+        element->setField(node->tag(), function);
     else
         logError(node->generateErrorMessage("failed to parse inline lua script"));
 }
@@ -244,3 +253,8 @@ void UILoader::loadLabel(const UILabelPtr& label, OTMLNode* node)
     label->setText(node->readAt("text", std::string()));
     label->setAlign(parseAlignment(node->readAt("align", std::string("left"))));
 }
+
+void UILoader::loadTextEdit(const UITextEditPtr& textEdit, OTMLNode* node)
+{
+    textEdit->setText(node->readAt("text", std::string()));
+}
diff --git a/src/framework/ui/uiloader.h b/src/framework/ui/uiloader.h
index 6312af35..944764a1 100644
--- a/src/framework/ui/uiloader.h
+++ b/src/framework/ui/uiloader.h
@@ -30,13 +30,14 @@
 #include <ui/uibutton.h>
 #include <ui/uiwindow.h>
 #include <ui/uilabel.h>
+#include <ui/uitextedit.h>
 #include <ui/uianchorlayout.h>
 
 class UILoader
 {
 public:
     /// Loads an UIElement and it's children from a FML file
-    UIElementPtr loadFromFile(std::string filePath, const UIContainerPtr& parent = UIContainer::getRoot());
+    UIElementPtr loadFromFile(std::string fileName, const UIContainerPtr& parent = UIContainer::getRoot());
 
 private:
     /// Detect element type and create it
@@ -61,6 +62,7 @@ private:
     void loadButton(const UIButtonPtr& button, OTMLNode* node);
     void loadWindow(const UIWindowPtr& window, OTMLNode* node);
     void loadLabel(const UILabelPtr& label, OTMLNode* node);
+    void loadTextEdit(const UITextEditPtr& textEdit, OTMLNode* node);
 };
 
 extern UILoader g_uiLoader;
diff --git a/src/framework/ui/uitextedit.cpp b/src/framework/ui/uitextedit.cpp
index fe7604d9..8d076614 100644
--- a/src/framework/ui/uitextedit.cpp
+++ b/src/framework/ui/uitextedit.cpp
@@ -53,9 +53,10 @@ void UITextEdit::onInputEvent(const InputEvent& event)
         else if(event.keycode == KC_TAB) // focus next parent element
             getParent()->focusNextElement();
     } else if(event.type == EV_MOUSE_LDOWN) {
-
+        int pos = m_textArea.getTextPos(event.mousePos);
+        if(pos >= 0)
+            m_textArea.setCursorPos(m_textArea.getTextPos(event.mousePos));
     } else if(event.type == EV_MOUSE_LUP && getRect().contains(event.mousePos)) {
-        m_textArea.setCursorPos(m_textArea.getTextPos(event.mousePos));
     }
 }
 
diff --git a/src/framework/ui/uitextedit.h b/src/framework/ui/uitextedit.h
index 63b9b60d..1b080309 100644
--- a/src/framework/ui/uitextedit.h
+++ b/src/framework/ui/uitextedit.h
@@ -1,27 +1,3 @@
-/* The MIT License
- *
- * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
 #ifndef UITEXTEDIT_H
 #define UITEXTEDIT_H
 
@@ -31,11 +7,16 @@
 
 class Font;
 
+class UITextEdit;
+typedef std::shared_ptr<UITextEdit> UITextEditPtr;
+
 class UITextEdit : public UIElement
 {
 public:
     UITextEdit();
 
+    static UITextEditPtr create() { return UITextEditPtr(new UITextEdit); }
+
     void onInputEvent(const InputEvent& event);
     void onRectUpdate();
     void onFocusChange();
@@ -46,12 +27,10 @@ public:
 
     bool isFocusable() const { return true; }
 
-    virtual const char *getScriptObjectType() const { return "UITextEdit"; }
+    virtual const char *getLuaTypeName() const { return "UITextEdit"; }
 
 private:
     TextArea m_textArea;
 };
 
-typedef boost::shared_ptr<UITextEdit> UITextEditPtr;
-
 #endif // UITEXTEDIT_H
diff --git a/src/framework/ui/uiwindow.h b/src/framework/ui/uiwindow.h
index 6b7da220..d99aacc5 100644
--- a/src/framework/ui/uiwindow.h
+++ b/src/framework/ui/uiwindow.h
@@ -1,33 +1,12 @@
-/* The MIT License
- *
- * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
 #ifndef UIWINDOW_H
 #define UIWINDOW_H
 
 #include <global.h>
 #include <ui/uicontainer.h>
 
+class UIWindow;
+typedef std::shared_ptr<UIWindow> UIWindowPtr;
+
 class UIWindow : public UIContainer
 {
 public:
@@ -35,12 +14,14 @@ public:
         UIContainer(UI::Window),
         m_moving(false) { }
 
+    static UIWindowPtr create() { return UIWindowPtr(new UIWindow); }
+
     void onInputEvent(const InputEvent& event);
 
     void setTitle(const std::string& title) { m_title = title; }
     std::string getTitle() const { return m_title; }
 
-    virtual const char *getScriptObjectType() const { return "UIWindow"; }
+    virtual const char *getLuaTypeName() const { return "UIWindow"; }
 
     virtual bool isFocusable() const { return true; }
 
@@ -50,6 +31,4 @@ private:
     Point m_movingReference;
 };
 
-typedef boost::shared_ptr<UIWindow> UIWindowPtr;
-
 #endif // UIWINDOW_H
diff --git a/src/framework/ui/uiwindowskin.cpp b/src/framework/ui/uiwindowskin.cpp
index 868ca573..ff3f6c25 100644
--- a/src/framework/ui/uiwindowskin.cpp
+++ b/src/framework/ui/uiwindowskin.cpp
@@ -34,7 +34,7 @@ void UIWindowSkin::load(OTMLNode* node)
     OTMLNode* headNode = node->at("head");
     OTMLNode* bodyNode = node->at("body");
 
-    m_headImage = boost::dynamic_pointer_cast<BorderedImage>(loadImage(headNode));
+    m_headImage = std::dynamic_pointer_cast<BorderedImage>(loadImage(headNode));
     m_headHeight = headNode->readAt("height", m_headImage->getDefaultSize().height());
     m_headMargin = headNode->readAt("margin", 0);
     m_titleAlign = parseAlignment(headNode->readAt("text align", std::string("center")));
diff --git a/src/framework/util/algorithms.h b/src/framework/util/algorithms.h
new file mode 100644
index 00000000..b638bb35
--- /dev/null
+++ b/src/framework/util/algorithms.h
@@ -0,0 +1,16 @@
+#ifndef ALGORITHMS_H
+#define ALGORITHMS_H
+
+#include <algorithm>
+#include <string>
+
+inline std::string getPathDirectory(const std::string& sourcePath)
+{
+    std::string dir;
+    std::size_t pos = sourcePath.find_last_of('/');
+    if(pos != std::string::npos)
+        dir = sourcePath.substr(0, pos);
+    return dir;
+}
+
+#endif // ALGORITHMS_H
diff --git a/src/framework/util/logger.h b/src/framework/util/logger.h
index f678e999..e1104598 100644
--- a/src/framework/util/logger.h
+++ b/src/framework/util/logger.h
@@ -19,11 +19,11 @@ void log(LogLevel level, const std::string& message, std::string prettyFunction
 #define logError(...) log(LogError, make_string(__VA_ARGS__))
 #define logFatal(...) log(LogFatal, make_string(__VA_ARGS__))
 
-#define trace() log(LogDebug, "", __PRETTY_FUNCTION__)
-#define traceDebug(...) log(LogDebug, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define traceInfo(...) log(LogInfo, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define traceWarning(...) log(LogWarning, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define traceError(...) log(LogError, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTrace() log(LogDebug, "", __PRETTY_FUNCTION__)
+#define logTraceDebug(...) log(LogDebug, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceInfo(...) log(LogInfo, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceWarning(...) log(LogWarning, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceError(...) log(LogError, make_string(__VA_ARGS__), __PRETTY_FUNCTION__)
 
 // dump utility
 struct Dump {
diff --git a/src/framework/util/point.h b/src/framework/util/point.h
index 77964d0e..777b5e20 100644
--- a/src/framework/util/point.h
+++ b/src/framework/util/point.h
@@ -42,7 +42,7 @@ public:
     inline bool operator==(const TPoint<T>& other) const { return other.x==x && other.y==y; }
     inline bool operator!=(const TPoint<T>& other) const { return other.x!=x || other.y!=y; }
 
-    inline float length() const { return sqrtf((float)(x*x + y*y)); }
+    inline float length() const { return sqrt((float)(x*x + y*y)); }
     inline T manhattanLength() const { return std::abs(x) + std::abs(y); }
 
     inline float distanceFrom(const TPoint<T>& other) const {
diff --git a/src/main.cpp b/src/main.cpp
index a919225a..f02b11d6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,8 +5,9 @@
 #include <core/platform.h>
 #include <core/dispatcher.h>
 #include <ui/uiskins.h>
-#include <script/scriptcontext.h>
+#include <core/packages.h>
 #include <ui/uicontainer.h>
+#include <script/luainterface.h>
 
 #include <csignal>
 
@@ -68,6 +69,9 @@ int main(int argc, const char *argv[])
     signal(SIGTERM, signal_handler);
     signal(SIGINT, signal_handler);
 
+    // init script stuff
+    g_lua.init();
+
     // init platform stuff
     Platform::init("OTClient");
 
@@ -92,10 +96,10 @@ int main(int argc, const char *argv[])
     g_engine.enableFpsCounter();
 
     // load ui skins
-    g_uiSkins.load("tibiaskin");
+    g_uiSkins.load("default");
 
     // load script modules
-    g_lua.loadAllModules();
+    g_packages.loadPackages();
 
     Platform::showWindow();
 
@@ -108,5 +112,6 @@ int main(int argc, const char *argv[])
     saveConfigs();
     Platform::terminate();
     g_resources.terminate();
+    g_lua.terminate();
     return 0;
 }
diff --git a/src/protocollogin.cpp b/src/protocollogin.cpp
index fe39620f..2788ef40 100644
--- a/src/protocollogin.cpp
+++ b/src/protocollogin.cpp
@@ -1,25 +1,23 @@
 #include "protocollogin.h"
 #include <net/outputmessage.h>
 #include <net/rsa.h>
-#include <script/scriptcontext.h>
+#include <script/luainterface.h>
 #include <boost/bind.hpp>
 
 ProtocolLogin::ProtocolLogin()
 {
-    trace();
+
 }
 
 ProtocolLogin::~ProtocolLogin()
 {
-    trace();
+
 }
 
 void ProtocolLogin::login(const std::string& accountName, const std::string& accountPassword)
 {
-    trace();
     if(accountName.empty() || accountPassword.empty()) {
-        g_lua.pushString("You must enter an account name and password.");
-        callScriptTableField("onError", 1);
+        callField("onError", "You must enter an account name and password.");
         return;
     }
 
@@ -43,18 +41,16 @@ void ProtocolLogin::login(const std::string& accountName, const std::string& acc
     //std::string host = "tecserver.zapto.org";
     uint16 port = 7171;
 
-    connect(host, port, boost::bind(&ProtocolLogin::onConnect, this));
+    connect(host, port, std::bind(&ProtocolLogin::onConnect, this));
 }
 
 void ProtocolLogin::onConnect()
 {
-    trace();
     sendPacket();
 }
 
 void ProtocolLogin::sendPacket()
 {
-    trace();
     OutputMessage oMsg;
 
     oMsg.addU8(0x01); // Protocol id
@@ -96,7 +92,6 @@ void ProtocolLogin::sendPacket()
 
 void ProtocolLogin::onRecv(InputMessage *inputMessage)
 {
-    trace();
     Protocol::onRecv(inputMessage);
 
     while(!inputMessage->end()) {
@@ -109,6 +104,14 @@ void ProtocolLogin::onRecv(InputMessage *inputMessage)
         case 0x14:
             parseMOTD(inputMessage);
             break;
+        case 0x1e:
+            inputMessage->getU8();
+            inputMessage->getU8();
+            inputMessage->getU8();
+            inputMessage->getU8();
+            inputMessage->getU8();
+            callField("onError", "Client needs update.");
+            break;
         case 0x64:
             parseCharacterList(inputMessage);
             break;
@@ -118,23 +121,18 @@ void ProtocolLogin::onRecv(InputMessage *inputMessage)
 
 void ProtocolLogin::parseError(InputMessage *inputMessage)
 {
-    trace();
     std::string error = inputMessage->getString();
-    g_lua.pushString(error);
-    callScriptTableField("onError", 1);
+    callField("onError", error);
 }
 
 void ProtocolLogin::parseMOTD(InputMessage *inputMessage)
 {
-    trace();
     std::string motd = inputMessage->getString();
-    g_lua.pushString(motd);
-    callScriptTableField("onMotd", 1);
+    callField("onMotd", motd);
 }
 
 void ProtocolLogin::parseCharacterList(InputMessage *inputMessage)
 {
-    trace();
     uint8 characters = inputMessage->getU8();
     for(int i = 0; i < characters; ++i) {
         std::string name = inputMessage->getString();
diff --git a/src/protocollogin.h b/src/protocollogin.h
index a1d50906..69ce98f9 100644
--- a/src/protocollogin.h
+++ b/src/protocollogin.h
@@ -3,12 +3,17 @@
 
 #include <net/protocol.h>
 
+class ProtocolLogin;
+typedef std::shared_ptr<ProtocolLogin> ProtocolLoginPtr;
+
 class ProtocolLogin : public Protocol
 {
 public:
     ProtocolLogin();
     ~ProtocolLogin();
 
+    static ProtocolLoginPtr create() { return ProtocolLoginPtr(new ProtocolLogin); }
+
     void login(const std::string& accountName, const std::string& accountPassword);
 
     void onConnect();
@@ -16,7 +21,8 @@ public:
     void sendPacket();
     void onRecv(InputMessage *inputMessage);
 
-    const char *getScriptObjectType() const { return "ProtocolLogin"; }
+    void cancel() { /* TODO: this func */ }
+    virtual const char* getLuaTypeName() const { return "ProtocolLogin"; }
 
 private:
     void parseError(InputMessage *inputMessage);
@@ -27,6 +33,4 @@ private:
 
 };
 
-typedef boost::shared_ptr<ProtocolLogin> ProtocolLoginPtr;
-
 #endif