private void BeginProcessingNodes()
{
foreach (Node n in nodes)
{
PCGNode nn = n as PCGNode;
if (nn != null)
{
bool hasInput = false;
foreach (NodePort np in nn.Inputs)
{
if (np.ConnectionCount > 0)
{
hasInput = true;
break;
}
}
if (hasInput)
{
UnProcessed.Add(nn);
}
else
{
ToBeProcessed.Add(nn);
}
}
}
}
public virtual void UpdateData(bool withOutputs = true)
{
if (withOutputs)
{
//update all outputs
foreach (NodePort np in Outputs)
{
for (int i = 0; i < np.ConnectionCount; i++)
{
PCGNode nn = (PCGNode)np.GetConnection(i).node;
if (nn != null)
{
nn.UpdateData();
}
}
}
}
}
private void ProcessNodes()
{
for (int i = ToBeProcessed.Count - 1; i >= 0; i--)
{
PCGNode node = ToBeProcessed[i];
ToBeProcessed.RemoveAt(i);
node.UpdateData(false);
Processed.Add(node);
}
for (int i = UnProcessed.Count - 1; i >= 0; i--)
{
PCGNode node = UnProcessed[i];
bool canBeProcessed = true;
foreach (NodePort np in node.Inputs)
{
foreach (NodePort outer in np.GetConnections())
{
PCGNode connectedNode = outer.node as PCGNode;
if (connectedNode != null)
{
if (!Processed.Contains(connectedNode))
{
canBeProcessed = false;
break;
}
}
}
}
if (canBeProcessed)
{
UnProcessed.RemoveAt(i);
ToBeProcessed.Add(node);
}
}
}