bool IsSubGraphRunning(FiniteStateMachineSubGraphNode subGraphNode, FiniteStateMachineGraph behaviourGraph, FiniteStateMachineRuntimeState state, List <int> checkedSubgraphs)
{
checkedSubgraphs.Add(subGraphNode.GetInstanceID());
var subGraph = subGraphNode.SubGraph;
foreach (var node in subGraph.nodes)
{
var running = false;
// If node is another subgraph execute recursively but prevent infinite cycles.
if (node is FiniteStateMachineSubGraphNode && checkedSubgraphs.Contains(node.GetInstanceID()) == false)
{
running = IsSubGraphRunning(node as FiniteStateMachineSubGraphNode, behaviourGraph, state, checkedSubgraphs);
}
else if (node is FiniteStateMachineStateGraphNode)
{
running = IsStateRunning(node as FiniteStateMachineStateGraphNode, behaviourGraph, state);
}
if (running)
{
return(true);
}
}
return(false);
}
bool IsStateRunning(FiniteStateMachineStateGraphNode stateNode, FiniteStateMachineGraph behaviourGraph, FiniteStateMachineRuntimeState state)
{
if (behaviourGraph.TryGetNodeIndex(stateNode.GetInstanceID(), out var nodeIndex))
{
if (state.CurrentState == nodeIndex)
{
return(true);
}
}
return(false);
}
