FindSeqObjectsByClass() - Startup-usable version

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A custom version of Sequence::FindSeqObjectsByClass(), but can be safely and accurately used on level startup events, such as GameMod::OnModLoaded().

While it's a powerful function for manipulating kismet from script, Sequence::FindSeqObjectsByClass() can only really be relied on after gameplay has begun, such as the first Tick. Use this if your code has to run on level startup!

FindSeqObjectsByClass() - Startup-usable version

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// Sequence::FindSeqObjectsByClass()  relies on NestedSequences, which doesn't seem to be initialized at map startup (i.e. GameInfo::InitGame()).
// So to work around this, I made a custom version that doesn't rely on it. Probably slower tho.
function FindSeqObjectsByClass(Sequence Seq, class<SequenceObject> DesiredClass, bool bRecursive, out Array<SequenceObject> OutputObjects)
{
    local int i;
    local Sequence SubSeq;
    for (i = 0; i < Seq.SequenceObjects.Length; i++)
    {
        if (Seq.SequenceObjects[i] != None && ClassIsChildOf(Seq.SequenceObjects[i].Class, DesiredClass))
            OutputObjects.AddItem(Seq.SequenceObjects[i]);
    }
    if (bRecursive)
    {
        for (i = 0; i < Seq.SequenceObjects.Length; i++)
        {
            SubSeq = Sequence(Seq.SequenceObjects[i]);
            if (SubSeq != None)
                FindSeqObjectsByClass(SubSeq, DesiredClass, bRecursive, OutputObjects);
        }
    }
}