// Actions.
public override void SetTimer(int nTimerId, bool bAbsolute, int nMilliSecs, MHEngine engine)
{
// First find any existing timer with the same Id.
for (int i = 0; i < m_Timers.Count; i++)
{
MHTimer timer = m_Timers[i];
if (timer.Identifier == nTimerId)
{
// If the Position wasn't given then we must remove the timer
// if it exists, otherwise update the Position
// if (nMilliSecs == -1)
// {
m_Timers.Remove(timer);
// }
// else
// {
// timer.Position = nMilliSecs;
// }
break;
}
}
// If the time has passed we don't set up a timer.
TimeSpan currentTime = MHTimer.getCurrentTimeSpan();
if (nMilliSecs < 0 || (bAbsolute && m_StartTime.Add(MHTimer.getMillisecondsTimeSpan(nMilliSecs)) < currentTime))
{
return;
}
long nActualMillis;
// Adjust the millisec accordingly
if (bAbsolute)
{
TimeSpan tsMillis = MHTimer.getMillisecondsTimeSpan(nMilliSecs);
TimeSpan tsResult = m_StartTime.Add(tsMillis);
nActualMillis = tsResult.Ticks;
}
else
{
TimeSpan tsMillis = MHTimer.getMillisecondsTimeSpan(nMilliSecs);
TimeSpan tsResult = currentTime.Add(tsMillis);
nActualMillis = (long)tsResult.TotalMilliseconds;
}
// Create and add the timer
MHTimer pTimer = new MHTimer(nTimerId, nActualMillis, bAbsolute);
m_Timers.Add(pTimer);
}
// Checks the timers and fires any relevant events. Returns the millisecs to the
// next event or zero if there aren't any.
public int CheckTimers(MHEngine engine)
{
TimeSpan currentTime = MHTimer.getCurrentTimeSpan(); // Get current time
int nMSecs = 0;
List <MHTimer> executedTimers = new List <MHTimer>();
for (int i = 0; i < m_Timers.Count; i++)
{
MHTimer timer = m_Timers[i];
// Use <= rather than < here so we fire timers with zero time immediately.
if (timer.PositionTimeSpan <= currentTime)
{
// If the time has passed trigger the event and remove the timer from the queue.
engine.EventTriggered(this, EventTimerFired, new MHUnion(timer.Identifier));
executedTimers.Add(timer); // Add to list of executed timers which are removed later
}
else
{
// This has not yet expired. Set "nMSecs" to the earliest time we have.
int nMSecsToGo = timer.PositionTimeSpan.Subtract(currentTime).Milliseconds;
if (nMSecs == 0 || nMSecsToGo < nMSecs)
{
nMSecs = nMSecsToGo;
}
}
}
// Remove all executed timers
for (int i = 0; i < executedTimers.Count; i++)
{
MHTimer timer = executedTimers[i];
m_Timers.Remove(timer);
}
return(nMSecs);
}
public override void Activation(MHEngine engine)
{
if (RunningStatus)
{
return;
}
base.Activation(engine);
// Run any start-up actions.
engine.AddActions(m_StartUp);
engine.RunActions();
// Activate the ingredients in order.
for (int i = 0; i < m_Items.Size; i++)
{
MHIngredient pIngredient = m_Items.GetAt(i);
if (pIngredient.InitiallyActive())
{
pIngredient.Activation(engine);
}
}
m_fRunning = true;
// Record the time here. This is the basis for absolute times.
m_StartTime = MHTimer.getCurrentTimeSpan();
// Don't generate IsRunning here - that's done by the sub-classes.
}