protected EBTStatus resume_branch(Agent pAgent, EBTStatus status)
{
Debug.Check(this.m_currentTask != null);
Debug.Check(status == EBTStatus.BT_SUCCESS || status == EBTStatus.BT_FAILURE);
BranchTask parent = null;
if (this.m_currentTask.GetNode().IsManagingChildrenAsSubTrees())
{
parent = (BranchTask)this.m_currentTask;
}
else
{
parent = this.m_currentTask.GetParent();
}
//clear it as it ends and the next exec might need to set it
this.m_currentTask = null;
if (parent != null)
{
EBTStatus s = parent.exec(pAgent, status);
return(s);
}
return(EBTStatus.BT_INVALID);
}
private EBTStatus execCurrentTask(Agent pAgent)
{
Debug.Check(this.m_currentTask != null && this.m_currentTask.GetStatus() == EBTStatus.BT_RUNNING);
//this.m_currentTask could be cleared in ::tick, to remember it
EBTStatus status = this.m_currentTask.exec(pAgent);
//give the handling back to parents
if (status != EBTStatus.BT_RUNNING)
{
Debug.Check(status == EBTStatus.BT_SUCCESS || status == EBTStatus.BT_FAILURE);
Debug.Check(this.m_currentTask.m_status == status);
BranchTask parentBranch = this.m_currentTask.GetParent();
this.m_currentTask = null;
//back track the parents until the branch
while (parentBranch != null && parentBranch != this)
{
status = parentBranch.exec(pAgent, status);
if (status == EBTStatus.BT_RUNNING)
{
return(EBTStatus.BT_RUNNING);
}
Debug.Check(parentBranch.m_status == status);
parentBranch = parentBranch.GetParent();
}
}
return(status);
}