public bool TreeAppearsValid(WiringCollection wc, WiringDocument owner)
{
if (this.conInput.IsConnected() == false)
{
return(false);
}
Queue <LLDNBase> toScan = new Queue <LLDNBase>();
toScan.Enqueue(this.conInput.Reference);
while (toScan.Count > 0)
{
LLDNBase f = toScan.Dequeue();
if (f.CanMakeNoise() == true)
{
return(true);
}
if (f.nodeType == NodeType.Reference && wc != null)
{
LLDNReference refr = f as LLDNReference;
if (refr != null && string.IsNullOrEmpty(refr.reference.referenceGUID) == false && owner != null)
{
WiringDocument refWD = wc.GetDocument(refr.reference.referenceGUID);
if (refWD != null)
{
if (refWD == owner)
{
return(false);
}
if (refWD.Output != null)
{
toScan.Enqueue(refWD.Output);
}
}
}
}
foreach (ParamConnection pc in f.GetParamConnections())
{
if (pc.IsConnected() == false)
{
continue;
}
if (f.VerifyConnectionUsed(pc) == false)
{
continue;
}
toScan.Enqueue(pc.Reference);
}
}
return(false);
}
public bool GuessMakesNoise(WiringCollection collection, HashSet <WiringDocument> encountered = null)
{
if (this.output == null)
{
return(false);
}
if (encountered == null)
{
encountered = new HashSet <WiringDocument>();
}
encountered.Add(this);
Queue <LLDNBase> toScan = new Queue <LLDNBase>();
toScan.Enqueue(this.output);
List <LLDNReference> refs = new List <LLDNReference>();
while (toScan.Count > 0)
{
LLDNBase check = toScan.Dequeue();
foreach (ParamConnection pc in check.GetParamConnections())
{
if (pc.IsConnected() == false)
{
continue;
}
LLDNBase gb = pc.Reference;
LLDNReference gnr = gb as LLDNReference;
if (gnr != null && collection != null)
{
// Check these after everything else in the current doc.
refs.Add(gnr);
}
else
{
if (gb.CanMakeNoise() == true)
{
return(true);
}
toScan.Enqueue(gb);
}
}
}
foreach (LLDNReference gnr in refs)
{
if (gnr.reference == null)
{
continue;
}
WiringDocument wd =
collection.GetDocument(gnr.reference.referenceGUID);
if (encountered.Contains(wd) == true)
{
continue;
}
if (wd.GuessMakesNoise(collection, encountered) == true)
{
return(true);
}
}
return(false);
}
