rework ui related scripting stuff

data/modules/mainmenu/ui/entergamewindow.otml

@@ -0,0 +1,67 @@
+%window#enterGameWindow
+  title: Enter Game
+  size: [236, 178]
+  anchors.horizontalCenter: parent.horizontalCenter
+  anchors.verticalCenter: parent.verticalCenter
+  onLoad: self:setLocked()
+
+  %label#accountNameLabel
+    text: Account name
+    anchors.left: parent.left
+    anchors.top: parent.top
+    margin.left: 18
+    margin.top: 33
+
+  %label#passwordLabel
+    text: "Password:"
+    anchors.left: parent.left
+    anchors.top: parent.top
+    margin.left: 18
+    margin.top: 62
+
+  %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
+
+  %button#createAccountButton
+    text: Create Account
+    anchors.left: parent.left
+    anchors.top: parent.top
+    margin.top: 94
+    margin.left: 132
+    onClick: displayErrorBox("Error", "Not implemented yet")
+
+  %button#okButton
+    text: Ok
+    size: [43, 20]
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+    margin.bottom: 10
+    margin.right: 66
+    onClick: EnterGame_connectToLoginServer()
+
+  %button#cancelButton
+    text: Cancel
+    size: [43, 20]
+    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