Tween verb help UI in and out.

modules/game/main.cs

@@ -3,6 +3,7 @@
 // up properly.
 
 // Module dependencies.
+include(twillex);
 include(stateMachine);
 include(trackingCamera);
 include(offsetCamera);
@@ -57,6 +58,10 @@
    GlobalActionMap.bind(keyboard, "escape", "quit");
    GlobalActionMap.bind(keyboard, "alt f4", "quit");
 
+   // Global tweening engine.
+   Twillex::create(Tweens);
+   Tweens.startUpdates();
+
    // Gameplay modules.
    Knights.onStart();
    Enemies.onStart();
@@ -74,6 +79,8 @@
    Knights.onEnd();
    Enemies.onEnd();
 
+   Tweens.delete();
+
    // Delete the objects we created.
    GameGroup.delete();
 }

modules/game/verbHelp.gui

@@ -9,6 +9,7 @@ new GuiBitmapCtrl(VerbHelpDlg) {
    extent = "130 200";
    minExtent = "8 8";
    tooltipprofile = GuiToolTipProfile;
+   deployed = true;
 
    new GuiMLTextCtrl(VerbHelpText) {
       lineSpacing = 2;

modules/game/verbs.cs

@@ -58,7 +58,7 @@ class = StateMachine;
 
    // Keyboard actions that should be available in any state.
    %this.globalMap.bindCmd(keyboard, "ctrl c", "Verbs.onEvent(cancel);");
-   %this.globalMap.bindCmd(keyboard, "?",      "VerbHelpDlg.setVisible(!VerbHelpDlg.isVisible());");
+   %this.globalMap.bindCmd(keyboard, "?",      "Verbs.toggleHelp();");
    %this.globalMap.push();
 
    // Direction selection actions.
@@ -101,6 +101,8 @@ class = StateMachine;
    %this.directionMap.delete();
 }
 
+//-----------------------------------------------------------------------------
+
 function Verbs::updateHelpDlg(%this) {
    %len = %this.getDynamicFieldCount();
    VerbHelpText.setText("");
@@ -138,6 +140,18 @@ class = StateMachine;
    %this.updateHelpDlg();
 }
 
+function Verbs::toggleHelp(%this) {
+   if(VerbHelpDlg.tween) {
+      VerbHelpDlg.tween.delete();
+   }
+   VerbHelpDlg.deployed = !VerbHelpDlg.deployed;
+
+   VerbHelpDlg.tween = Tweens.toOnce(200, VerbHelpDlg,
+      VerbHelpDlg.deployed
+         ? "position:   20 252"
+         : "position: -200 252");
+}
+
 //-----------------------------------------------------------------------------
 
 function Verbs::onFinish(%this) {