/// <summary>
/// Push a new node on the call stack, and execute the callstack.
/// </summary>
/// <param name="node"></param>
public void Call(AINode node)
{
//Push the new node on the callstack, and fetch the top of the callstack.
Push(node);
node = callstack.Peek();
//Initalize this node, and follow through depending on status.
var status = node.Init(this, dataContext);
switch (status)
{
case AINode.BehaviourStatus.Success: //Call the node.
Call(AINode.BehaviourStatus.Call);
break;
case AINode.BehaviourStatus.Failure: //Pop the node off the callstack, and return execution to it's parent.
Pop();
Call(AINode.BehaviourStatus.Failure);
break;
case AINode.BehaviourStatus.Running: //These status should be impossible durring Initialization.
case AINode.BehaviourStatus.Call:
throw new InvalidOperationException(callstack.Peek().GetType().ToString() + ": Node cannot reutrn Call or Running from Init");
}
}
/// <summary>
/// Set a new root for the tree, and clear the callstack.
/// </summary>
/// <param name="node"></param>
public void SetRoot(AINode node)
{
callstack = new Stack <AINode>();
Push(node);
node = callstack.Peek();
node.Init(this, dataContext);
}