public override void Update(Vector2 targetSize, GameTime gameTime)
{
alienText.Text = dialogueStateMachine.Text();
alienText.Position = new Vector2(2 * padding, 2 * padding);
alienText.MaxLineLength = (int)(targetSize.X - 4 * padding - alien.TexWidth());
alien.Position = new Vector2(targetSize.X - 2 * padding - alien.TexWidth(), 2 * padding);
self.Position = new Vector2(2 * padding, targetSize.Y - self.TexHeight() - 2 * padding);
// remove all the previous buttons
if (dialogueStateMachine.State() != prevDialogState)
{
children = children.FindAll(pair => !typeof(ButtonAsset).IsInstanceOfType(pair.Value));
buttons.Clear();
var buttonPos = new Vector2(3 * padding + self.TexWidth(), targetSize.Y - self.TexHeight());
float buttonOffset = 0;
int buttonIndex = 0;
foreach (DialogueOption option in dialogueStateMachine.Options())
{
int refIndex = buttonIndex;
Func <bool> onClick = delegate()
{
dialogueStateMachine.SelectionOption(refIndex);
return(true);
};
Func <bool, bool> onHover = delegate(bool hovered)
{
return(true);
};
var buttonPrefix = (buttonIndex + 1).ToString() + ") ";
var button = AddChild("dialogueOption", new ButtonAsset(buttonPrefix + option.Text, onClick, onHover));
buttons.Add(button);
button.Position = buttonPos + new Vector2(0, buttonOffset);
buttonOffset += button.Size.Y + padding;
buttonIndex++;
}
prevDialogState = dialogueStateMachine.State();
}
}
public DialogueStateMachine(DialogueState initState)
{
currentState = initState;
}
public void SelectionOption(int index)
{
currentState = currentState.Options[index].Outcome(currentState);
}