/// <summary>
/// Processes all of the <see cref="Objects.Action.ActionObject" />s on the page and builds a display list for the player.
/// </summary>
private void ProcessPage()
{
DisplayList.Clear();
var oldPage = CurrentPage;
var idx = 0;
while (true)
{
if (oldPage.Objects.Count <= idx)
{
break;
}
var thisObject = oldPage.Objects[idx++];
// Evaluate the expressions (hide takes precidence).
if (!string.IsNullOrWhiteSpace(thisObject.ShowIf) && !ExpressionHandler.EvaluateBoolean(thisObject.ShowIf, Story.Data))
{
continue;
}
if (!string.IsNullOrWhiteSpace(thisObject.HideIf) && ExpressionHandler.EvaluateBoolean(thisObject.HideIf, Story.Data))
{
continue;
}
if (thisObject.GetType().BaseType == typeof(PageObject))
{
DisplayList.Add(
new Tuple <IObject, Style>(
thisObject,
Style.CalculateStyle(Story, CurrentPage, (PageObject)thisObject)
)
);
continue;
}
((ActionObject)thisObject).Activate();
if (CurrentPage == oldPage)
{
continue;
}
// Page changed; process controls from the top.
idx = 0;
oldPage = CurrentPage;
}
}