void InitEventInvoker(Int32 size)
{
// allocate dictionary with pre-defined capacity
_eventsTriggered = new Dictionary <Int32, HashSet <Int32>[]>(size);
// init trigger set pool with empty hashsets
TriggeredSetPool.Init(size);
}
void InvokeEvents(Quantum.Frame f)
{
// store previous frame value so we can restore it
var previousFrameValue = _frame;
try {
// set current frame we are invoking the events for
_frame = f;
HashSet <Int32>[] triggered;
// grab or create new triggered set lookup
if (_eventsTriggered.TryGetValue(f.Number, out triggered) == false)
{
_eventsTriggered.Add(f.Number, triggered = TriggeredSetPool.Alloc());
}
// grab event head
var head = (IEventBaseInternal)(((IFrameInternal)f).EventHead);
// step over each event
while (head != null)
{
if (head.EventIsSynced)
{
if (f.IsVerified)
{
RaiseEvent(head);
}
}
else
{
// calculate hash code
var hash = head.GetHashCode();
// if this was already raised, do nothing
if (triggered[head.Id].Contains(hash) == false)
{
// dont trigger this again
triggered[head.Id].Add(hash);
// trigger event
RaiseEvent(head);
}
}
// next
head = head.EventTail;
}
// frame is verified?
if (f.IsVerified)
{
// remove triggered set
_eventsTriggered.Remove(f.Number);
// free it
TriggeredSetPool.Free(triggered);
}
}
finally {
// restore frame value
_frame = previousFrameValue;
}
}
