public int Size()
{
if (OnKeyDown != null)
{
return(OnKeyDown.GetInvocationList().Length);
}
else
{
return(0);
}
}
private void OnTick(object sender, EventArgs args)
{
// Check keys
foreach (var key in Enum.GetValues(typeof(Keys)).Cast <Keys>())
{
var keyDown = ModAPI.Input.GetButton(key.ToString());
if (keyDown && !KeysDown.Contains(key))
{
KeysDown.Add(key);
// Notify listeners for key down
if (OnKeyDown != null)
{
foreach (var action in OnKeyDown.GetInvocationList())
{
try
{
action.DynamicInvoke(this, new KeyEventArgs(key));
}
catch (Exception e)
{
Logger.Exception("Exception while notifying OnKeyDown listener: " + action.GetType().Name, e);
}
}
}
}
else if (!keyDown && KeysDown.Contains(key))
{
KeysDown.Remove(key);
// Notify listeners for key up
if (OnKeyUp != null)
{
foreach (var action in OnKeyUp.GetInvocationList())
{
try
{
action.DynamicInvoke(this, new KeyEventArgs(key));
}
catch (Exception e)
{
Logger.Exception("Exception while notifying OnKeyDown listener: " + action.GetType().Name, e);
}
}
}
}
}
}
/// <summary>
/// Unsubscribes all observers or the given observer from tracking events of this handler.
/// </summary>
/// <param name="target">The unsubscribing object.</param>
private void UnsubscribeAllOrTarget(object target = null)
{
if (OnKeyPressed != null)
{
foreach (Action action in OnKeyPressed.GetInvocationList())
{
if (target == null || action.Target == target)
{
OnKeyPressed -= action;
}
}
}
if (OnKeyDown != null)
{
foreach (Action action in OnKeyDown.GetInvocationList())
{
if (target == null || action.Target == target)
{
OnKeyDown -= action;
}
}
}
}
