bool BranchTask::oneventCurrentNode(Agent* pAgent, const char* eventName) { BEHAVIAC_ASSERT(this->m_currentTask); EBTStatus s = this->m_currentTask->GetStatus(); BEHAVIAC_UNUSED_VAR(s); BEHAVIAC_ASSERT(s == BT_RUNNING && this->m_node->HasEvents()); bool bGoOn = this->m_currentTask->onevent(pAgent, eventName); //give the handling back to parents if (bGoOn) { BranchTask* parentBranch = this->m_currentTask->GetParent(); //back track the parents until the branch while (parentBranch && parentBranch != this) { BEHAVIAC_ASSERT(parentBranch->GetStatus() == BT_RUNNING); bGoOn = parentBranch->onevent(pAgent, eventName); if (!bGoOn) { return false; } parentBranch = parentBranch->GetParent(); } } return bGoOn; }
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; }
bool BehaviorTask::CheckParentUpdatePreconditions(Agent* pAgent) { bool bValid = true; if (this->m_bHasManagingParent) { bool bHasManagingParent = false; const int kMaxParentsCount = 512; int parentsCount = 0; BehaviorTask* parents[kMaxParentsCount]; BranchTask* parentBranch = this->GetParent(); parents[parentsCount++] = this; //back track the parents until the managing branch while (parentBranch != 0) { BEHAVIAC_ASSERT(parentsCount < kMaxParentsCount, "weird tree!"); parents[parentsCount++] = parentBranch; if (parentBranch->GetCurrentTask() == this) { //BEHAVIAC_ASSERT(parentBranch->GetNode()->IsManagingChildrenAsSubTrees()); bHasManagingParent = true; break; } parentBranch = parentBranch->GetParent(); } if (bHasManagingParent) { for (int i = parentsCount - 1; i >= 0; --i) { BehaviorTask* pb = parents[i]; bValid = pb->CheckPreconditions(pAgent, true); if (!bValid) { break; } } } } else { bValid = this->CheckPreconditions(pAgent, true); } return bValid; }