Refactored Attract Mode into its own class.

Source/Execute/AttractMode.cpp

@@ -0,0 +1,49 @@
+/* This file is subject to the terms and conditions defined in
+ * file 'LICENSE.txt', which is part of this source code package.
+ */
+#include "AttractMode.h"
+#include "../Graphics/Page.h"
+
+AttractMode::AttractMode()
+: IsActive(false)
+, ElapsedTime(0)
+, ActiveTime(0)
+, IdleTime(0)
+{
+}
+
+void AttractMode::SetIdleTime(float time)
+{
+    IdleTime = time;
+}
+void AttractMode::Reset()
+{
+    ElapsedTime = 0;
+    IsActive = false;
+    ActiveTime = 0;
+}
+
+void AttractMode::Update(float dt, Page &page)
+{
+    ElapsedTime += dt;
+
+    // enable attract mode when idling for the expected time. Disable if idle time is set to 0.
+    if(!IsActive && ElapsedTime > IdleTime && IdleTime > 0)
+    {
+        IsActive = true;
+        ElapsedTime = 0;
+        ActiveTime = ((float)((1000+rand()) % 5000)) / 1000;
+    }
+
+    if(IsActive)
+    {
+        page.SetScrolling(Page::ScrollDirectionForward);
+
+        if(ElapsedTime > ActiveTime)
+        {
+            ElapsedTime = 0;
+            IsActive = false;
+            page.SetScrolling(Page::ScrollDirectionIdle);
+        }
+    }
+}