rework ui related scripting stuff

data/modules/mainmenu/entergame.lua

@@ -0,0 +1,57 @@
+function EnterGame_connectToLoginServer()
+  -- create login protocol
+  local protocolLogin = ProtocolLogin.new()
+
+  -- used to recreate enter game window
+  local recreateEnterGame = function()
+    loadUI("ui/entergamewindow")
+  end
+
+  -- display loading message box
+  local loadBox = displayCancelBox("Please wait", "Connecting..")
+
+  -- cancel loading callback
+  loadBox.onCancel = function()
+    -- cancel protocol and reacreate enter game window
+    protocolLogin:cancel()
+    recreateEnterGame()
+  end
+
+  -- error callback
+  protocolLogin.onError = function(error)
+    -- destroy loading message box
+    loadBox:destroy()
+
+    -- display error message
+    local errorBox = displayErrorBox("Login Error", error)
+
+    -- cancel protocol and reacreate enter game window
+    self.cancel()
+    errorBox.onOk = recreateEnterGame
+  end
+
+  -- motd callback
+  protocolLogin.onMotd = function(motd)
+    -- destroy loading message box
+    loadBox:destroy()
+
+    -- display motd
+    local motdNumber = string.sub(motd, 0, string.find(motd, "\n"))
+    local motdText = string.sub(motd, string.find(motd, "\n") + 1, string.len(motd))
+    local motdBox = displayInfoBox("Message of the day", motdText)
+
+    -- cancel protocol and reacreate enter game window
+    self.cancel()
+    motdBox.onOk = recreateEnterGame
+  end
+
+  -- get account and password and login
+  local enterGameWindow = rootUI:child("enterGameWindow")
+  local account = enterGameWindow:child("accountNameTextEdit").text
+  local password = enterGameWindow:child("passwordTextEdit").text
+  protocolLogin:login(account, password)
+
+  -- destroy enter game window
+  enterGameWindow:destroy()
+end
+