protected virtual void OnItemExecute(IGameSequencerItem item)
{
if (CurrentItem != item)
{
// it's possible that another thread Pushed or Popped the CurrentItem while the timer went off on the last current item
return;
}
GameSequencerItem ex = item as GameSequencerItem;
if (ex != null)
{
if (ex.HasBegunExecution) // dont execute twice, just in case
{
return;
}
ex.HasBegunExecution = true;
}
string msg = "";
bool rslt = true;
rslt = item.TryExecuteEffect(ref msg);
FireItemExecuted(ex, rslt, msg);
}
protected virtual void OnCurrentItemChanged(IGameSequencerItem oldItem, IGameSequencerItem newItem)
{
if (oldItem != null)
{
oldItem.OnBecameNotCurrent();
}
if (newItem != null)
{
newItem.OnBecameCurrent();
}
FireCurrentItemChanged(oldItem, newItem);
if (newItem == null)
{
return;
}
GameSequencerItem ex = newItem as GameSequencerItem;
// Get the timeout
int timeout = 0;
if (ex.ResponseTimerMod == int.MaxValue)
{
timeout = Timeout.Infinite;
}
else if (ex.ResponseTimerMod > int.MinValue)
{
timeout = ex.ResponseTimeout + ex.ResponseTimerMod;
}
ex.ResponseTimeout = timeout;
// Set the timer or execute in case of no timeout
if (timeout > 0)
{
Log.LogMsg(" -> Waiting [" + TimeSpan.FromMilliseconds(timeout).TotalSeconds + "] seconds before executing.");
ex.ResponseTime = DateTime.UtcNow.Ticks + TimeSpan.FromMilliseconds(timeout).Ticks;
SetTimerForCurrentItem(timeout);
OnItemResponseTimerStarted(ex);
DateTime exeTime = new DateTime(ex.ResponseTime, DateTimeKind.Utc);
TimeSpan len = exeTime - DateTime.UtcNow;
Log.LogMsg("It is now [" + DateTime.UtcNow.ToLongTimeString() + "]. Execute time for [" + ((Phase)ex).PhaseName + "] is at [" + exeTime.ToLongTimeString() + "], i.e. in [" + len.TotalSeconds + " seconds]. Response timeout is [" + timeout + " ms].");
}
else
{
OnItemExecute(ex);
}
}
/// <summary>
/// Pushes a new item to the stack.
/// </summary>
/// <param name="itm">the item to push</param>
/// <param name="responseTimerMod">You can add/remove time from the response timer by passing a possitive or negative value as responseTimerMod. Pass
/// int.MinValue to disable the response timer and to cause the item to execute as soon as its on the stack. Pass int.MaxValue to never time the
/// stack item out.</param>
public void AddItem(IGameSequencerItem itm, int responseTimerMod)
{
lock (CurrentItemSyncRoot)
{
itm.Sequencer = this;
GameSequencerItem ex = itm as GameSequencerItem;
ex.ResponseTimerMod = responseTimerMod;
if (m_Queue != null)
{
m_Queue.Enqueue(ex);
}
else
{
m_Stack.Push(ex);
}
}
}
protected virtual void OnItemResponseTimerStarted(GameSequencerItem newItem)
{
FireItemResponseTimerStarted(newItem);
}
protected virtual void OnItemResponseTimerStarted(GameSequencerItem newItem)
{
FireItemResponseTimerStarted(newItem);
}
