public void KeyPressed(Keys key)
{
lastKey = now;
if (currentCombo == null)
{
Console.WriteLine("new combo");
}
KeyComboNode node = currentCombo ?? rootNode;
KeyComboNode newNode;
bool end = node.KeyPressed(key, out newNode);
if (end && currentCombo != null && newNode == null)
{
Console.WriteLine("combo ended");
ComboReset?.Invoke(this, EventArgs.Empty);
currentCombo = null;
KeyPressed(key);
}
else
{
currentCombo = newNode;
}
}
public void Update(GameTime gameTime)
{
now = gameTime.TotalGameTime.TotalMilliseconds;
if (now - lastKey > 1000 && currentCombo != null)
{
ComboReset?.Invoke(this, EventArgs.Empty);
currentCombo = null;
}
}
public bool KeyPressed(Keys key, out KeyComboNode node)
{
Console.WriteLine("Pressed {0}", key);
if (subNodes.TryGetValue(key, out node))
{
if (node.Invoke())
{
Console.WriteLine("invoking");
node = null;
return(false);
}
}
return(true);
}
public void AddCombo(Keys[] keys, Action func)
{
if (keys.Length == 0)
{
if (comboAction != null)
{
throw new InvalidOperationException("Duplicate keycombos");
}
if (subNodes.Count != 0)
{
throw new InvalidOperationException("Overlapping keycombos");
}
comboAction = func;
return;
}
KeyComboNode node;
if (subNodes.TryGetValue(keys[0], out node))
{
if (node.HasAction())
{
throw new InvalidOperationException("Overlapping keycombos");
}
node.AddCombo(keys.Skip(1).ToArray(), func);
}
else
{
node = new KeyComboNode();
node.AddCombo(keys.Skip(1).ToArray(), func);
subNodes[keys[0]] = node;
}
}