public override BehaviourTreeStatus Tick(GameTime gameTime)
{
if (condition(gameTime))
{
if (ifFalse != null)
{
ifFalse.Reset();
}
var status = ifTrue.Tick(gameTime);
if (ifTrue is LongRunningActionNode && ((LongRunningActionNode)ifTrue).IsBlocking && status == BehaviourTreeStatus.Running)
{
rootNode.AddBlockingNode((LongRunningActionNode)ifTrue);
}
return(status);
}
else
{
ifTrue.Reset();
var status = ifFalse != null?ifFalse.Tick(gameTime) : BehaviourTreeStatus.Failure;
if (ifFalse != null && ifFalse is LongRunningActionNode && ((LongRunningActionNode)ifFalse).IsBlocking && status == BehaviourTreeStatus.Running)
{
rootNode.AddBlockingNode((LongRunningActionNode)ifFalse);
}
return(status);
}
}
public BehaviourTreeStatus Tick(GameTime gameTime)
{
elapsedTime += gameTime.ElapsedGameTime;
if (forceTreeTick || elapsedTime >= TickFrequency)
{
forceTreeTick = false;
if (blockingRunningNodes.Count > 0)
{
for (int i = 0; i < blockingRunningNodes.Count; i++)
{
var status = blockingRunningNodes[i].Tick(new GameTime(gameTime.TotalGameTime, elapsedTime));
if (status != BehaviourTreeStatus.Running)
{
blockingRunningNodes.RemoveAt(i);
i--;
}
}
elapsedTime = TimeSpan.Zero;
return(BehaviourTreeStatus.Running);
}
else
{
var outcome = childNode.Tick(new GameTime(gameTime.TotalGameTime, elapsedTime));
elapsedTime = TimeSpan.Zero;
if (outcome != BehaviourTreeStatus.Running)
{
Reset();
}
return(outcome);
}
}
return(BehaviourTreeStatus.Success);
}
private void Update()
{
tree.Tick(new TimeData(Time.deltaTime));
}
public virtual void Update(GameTime gameTime)
{
Debug.Assert(behaviorTree != null, "BehaviorTree is null, did you forget to call createBehaviorTree in the constructor?");
behaviorTree.Tick(gameTime);
}
