protected override int OnExcute(NodeData wData)
{
NodeControlSequenceContext thisContext = GetContext <NodeControlSequenceContext>(wData);
int runningStatus = NodeState.FINISHED;
//执行一下选择节点
Node node = GetChild <Node>(thisContext.currentSelectedIndex);
runningStatus = node.Execute(wData);
//错误判断
if (NodeState.IsError(runningStatus))
{
thisContext.currentSelectedIndex = -1;
return(runningStatus);
}
//完成判断
if (NodeState.IsFinished(runningStatus))
{
//下移索引
thisContext.currentSelectedIndex++;
if (IsIndexValid(thisContext.currentSelectedIndex))
{
runningStatus = NodeState.EXECUTING;
}
else
{
thisContext.currentSelectedIndex = -1;
}
}
return(runningStatus);
}
protected override bool OnEvaluate(NodeData wData)
{
NodeControlSequenceContext thisContext = GetContext <NodeControlSequenceContext>(wData);
//获取当前选择的索引
int checkedNodeIndex = -1;
if (IsIndexValid(thisContext.currentSelectedIndex))
{
checkedNodeIndex = thisContext.currentSelectedIndex;
}
else
{
checkedNodeIndex = 0;
}
if (IsIndexValid(checkedNodeIndex))
{
Node node = GetChild <Node>(checkedNodeIndex);
if (node.Evaluate(wData))
{
thisContext.currentSelectedIndex = checkedNodeIndex;
return(true);
}
}
return(false);
}
protected override void OnTransition(NodeData wData)
{
NodeControlSequenceContext thisContext = GetContext <NodeControlSequenceContext>(wData);
Node node = GetChild <Node>(thisContext.currentSelectedIndex);
if (node != null)
{
node.Transition(wData);
}
thisContext.currentSelectedIndex = -1;
}