EBTStatus BranchTask::execCurrentTask(Agent* pAgent)
{
BEHAVIAC_ASSERT(this->m_currentTask != 0 && this->m_currentTask->GetStatus() == 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 != BT_RUNNING)
{
BEHAVIAC_ASSERT(status == BT_SUCCESS || status == BT_FAILURE);
BEHAVIAC_ASSERT(this->m_currentTask->m_status == status);
BranchTask* parentBranch = this->m_currentTask->GetParent();
this->m_currentTask = 0;
//back track the parents until the branch
while (parentBranch != 0 && parentBranch != this)
{
status = parentBranch->exec(pAgent, status);
if (status == BT_RUNNING)
{
return BT_RUNNING;
}
BEHAVIAC_ASSERT(parentBranch->m_status == status);
parentBranch = parentBranch->GetParent();
}
}
return status;
}
EBTStatus BranchTask::resume_branch(Agent* pAgent, EBTStatus status)
{
BEHAVIAC_ASSERT(this->m_currentTask != 0);
BEHAVIAC_ASSERT(status == BT_SUCCESS || status == BT_FAILURE);
BranchTask* parent = 0;
BehaviorNode* _tNode = (BehaviorNode*) this->m_currentTask->m_node;
if (_tNode->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 = 0;
EBTStatus s = parent->exec(pAgent, status);
return s;
}
