protected override int onUpdate(BehaviourTreeData wData)
{
TBTActionSequenceContext thisContext = getContext <TBTActionSequenceContext>(wData);
int runningStatus = BehaviourTreeRunningStatus.FINISHED;
BehaviourAction node = GetChild <BehaviourAction>(thisContext.currentSelectedIndex);
runningStatus = node.Update(wData);
if (_continueIfErrorOccors == false && BehaviourTreeRunningStatus.IsError(runningStatus))
{
thisContext.currentSelectedIndex = -1;
return(runningStatus);
}
if (BehaviourTreeRunningStatus.IsFinished(runningStatus))
{
thisContext.currentSelectedIndex++;
if (IsIndexValid(thisContext.currentSelectedIndex))
{
runningStatus = BehaviourTreeRunningStatus.EXECUTING;
}
else
{
thisContext.currentSelectedIndex = -1;
}
}
return(runningStatus);
}
//------------------------------------------------------
protected override bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
TBTActionParallelContext thisContext = getContext <TBTActionParallelContext>(wData);
initListTo <bool>(thisContext.evaluationStatus, false);
bool finalResult = false;
for (int i = 0; i < GetChildCount(); ++i)
{
BehaviourAction node = GetChild <BehaviourAction>(i);
bool ret = node.Evaluate(wData);
//early break
if (_evaluationRelationship == ECHILDREN_RELATIONSHIP.AND && ret == false)
{
finalResult = false;
break;
}
if (ret == true)
{
finalResult = true;
}
thisContext.evaluationStatus[i] = ret;
}
return(finalResult);
}
protected sealed override int onUpdate(BehaviourTreeData wData)
{
int runningState = BehaviourTreeRunningStatus.FINISHED;
TBTActionLeafContext thisContext = getContext <TBTActionLeafContext>(wData);
if (thisContext.status == ACTION_READY)
{
onEnter(wData);
thisContext.needExit = true;
thisContext.status = ACTION_RUNNING;
}
if (thisContext.status == ACTION_RUNNING)
{
runningState = onExecute(wData);
if (BehaviourTreeRunningStatus.IsFinished(runningState))
{
thisContext.status = ACTION_FINISHED;
}
}
if (thisContext.status == ACTION_FINISHED)
{
if (thisContext.needExit)
{
onExit(wData, runningState);
}
thisContext.status = ACTION_READY;
thisContext.needExit = false;
}
return(runningState);
}
protected override void onTransition(BehaviourTreeData wData)
{
TBTActionSequenceContext thisContext = getContext <TBTActionSequenceContext>(wData);
BehaviourAction node = GetChild <BehaviourAction>(thisContext.currentSelectedIndex);
if (node != null)
{
node.Transition(wData);
}
thisContext.currentSelectedIndex = -1;
}
protected sealed override void onTransition(BehaviourTreeData wData)
{
TBTActionLeafContext thisContext = getContext <TBTActionLeafContext>(wData);
if (thisContext.needExit)
{
onExit(wData, BehaviourTreeRunningStatus.TRANSITION);
}
thisContext.status = ACTION_READY;
thisContext.needExit = false;
}
protected override void onTransition(BehaviourTreeData wData)
{
TBTActionLoopContext thisContext = getContext <TBTActionLoopContext>(wData);
if (IsIndexValid(0))
{
BehaviourAction node = GetChild <BehaviourAction>(0);
node.Transition(wData);
}
thisContext.currentCount = 0;
}
protected override void onTransition(BehaviourTreeData wData)
{
TBTActionParallelContext thisContext = getContext <TBTActionParallelContext>(wData);
for (int i = 0; i < GetChildCount(); ++i)
{
BehaviourAction node = GetChild <BehaviourAction>(i);
node.Transition(wData);
}
//clear running status
initListTo <int>(thisContext.runningStatus, BehaviourTreeRunningStatus.EXECUTING);
}
protected override bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
BehaviourActionPrioritizedSelector.TBTActionPrioritizedSelectorContext thisContext =
getContext <BehaviourActionPrioritizedSelector.TBTActionPrioritizedSelectorContext>(wData);
//check last node first
if (IsIndexValid(thisContext.currentSelectedIndex))
{
BehaviourAction node = GetChild <BehaviourAction>(thisContext.currentSelectedIndex);
if (node.Evaluate(wData))
{
return(true);
}
}
return(base.onEvaluate(wData));
}
protected T getContext <T>(BehaviourTreeData wData) where T : TBTActionContext, new()
{
int uniqueKey = GetHashCode();
T thisContext;
if (wData.context.ContainsKey(uniqueKey) == false)
{
thisContext = new T();
wData.context.Add(uniqueKey, thisContext);
}
else
{
thisContext = (T)wData.context[uniqueKey];
}
return(thisContext);
}
//-------------------------------------------------------
protected override bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
TBTActionLoopContext thisContext = getContext <TBTActionLoopContext>(wData);
bool checkLoopCount = (_loopCount == INFINITY || thisContext.currentCount < _loopCount);
if (checkLoopCount == false)
{
return(false);
}
if (IsIndexValid(0))
{
BehaviourAction node = GetChild <BehaviourAction>(0);
return(node.Evaluate(wData));
}
return(false);
}
protected override int onUpdate(BehaviourTreeData wData)
{
TBTActionParallelContext thisContext = getContext <TBTActionParallelContext>(wData);
//first time initialization
if (thisContext.runningStatus.Count != GetChildCount())
{
initListTo <int>(thisContext.runningStatus, BehaviourTreeRunningStatus.EXECUTING);
}
bool hasFinished = false;
bool hasExecuting = false;
for (int i = 0; i < GetChildCount(); ++i)
{
if (thisContext.evaluationStatus[i] == false)
{
continue;
}
if (BehaviourTreeRunningStatus.IsFinished(thisContext.runningStatus[i]))
{
hasFinished = true;
continue;
}
BehaviourAction node = GetChild <BehaviourAction>(i);
int runningStatus = node.Update(wData);
if (BehaviourTreeRunningStatus.IsFinished(runningStatus))
{
hasFinished = true;
}
else
{
hasExecuting = true;
}
thisContext.runningStatus[i] = runningStatus;
}
if (_runningStatusRelationship == ECHILDREN_RELATIONSHIP.OR && hasFinished || _runningStatusRelationship == ECHILDREN_RELATIONSHIP.AND && hasExecuting == false)
{
initListTo <int>(thisContext.runningStatus, BehaviourTreeRunningStatus.EXECUTING);
return(BehaviourTreeRunningStatus.FINISHED);
}
return(BehaviourTreeRunningStatus.EXECUTING);
}
protected override int onUpdate(BehaviourTreeData wData)
{
TBTActionLoopContext thisContext = getContext <TBTActionLoopContext>(wData);
int runningStatus = BehaviourTreeRunningStatus.FINISHED;
if (IsIndexValid(0))
{
BehaviourAction node = GetChild <BehaviourAction>(0);
runningStatus = node.Update(wData);
if (BehaviourTreeRunningStatus.IsFinished(runningStatus))
{
thisContext.currentCount++;
if (thisContext.currentCount < _loopCount || _loopCount == INFINITY)
{
runningStatus = BehaviourTreeRunningStatus.EXECUTING;
}
}
}
return(runningStatus);
}
//------------------------------------------------------
protected override bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
TBTActionSequenceContext thisContext = getContext <TBTActionSequenceContext>(wData);
int checkedNodeIndex = -1;
if (IsIndexValid(thisContext.currentSelectedIndex))
{
checkedNodeIndex = thisContext.currentSelectedIndex;
}
else
{
checkedNodeIndex = 0;
}
if (IsIndexValid(checkedNodeIndex))
{
BehaviourAction node = GetChild <BehaviourAction>(checkedNodeIndex);
if (node.Evaluate(wData))
{
thisContext.currentSelectedIndex = checkedNodeIndex;
return(true);
}
}
return(false);
}
public override bool IsTrue(/*in*/ BehaviourTreeData wData)
{
return(GetChild <BehaviourPrecondition>(0).IsTrue(wData) ||
GetChild <BehaviourPrecondition>(1).IsTrue(wData));
}
public abstract bool IsTrue(/*in*/ BehaviourTreeData wData);
public override bool IsTrue(/*in*/ BehaviourTreeData wData)
{
return(false);
}
public void Transition(BehaviourTreeData wData)
{
onTransition(wData);
}
protected virtual void onExit(BehaviourTreeData wData, int runningStatus)
{
}
//-------------------------------------------------------------
public bool Evaluate(/*in*/ BehaviourTreeData wData)
{
return((_precondition == null || _precondition.IsTrue(wData)) && onEvaluate(wData));
}
public int Update(BehaviourTreeData wData)
{
return(onUpdate(wData));
}
protected virtual void onTransition(BehaviourTreeData wData)
{
}
protected virtual int onUpdate(BehaviourTreeData wData)
{
return(BehaviourTreeRunningStatus.FINISHED);
}
//--------------------------------------------------------
// inherented by children
protected virtual bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
return(true);
}
protected T getUserContexData <T>(BehaviourTreeData wData) where T : class, new()
{
return(getContext <TBTActionLeafContext>(wData).getUserData <T>());
}
//--------------------------------------------------------
// inherented by children-
protected virtual void onEnter(/*in*/ BehaviourTreeData wData)
{
}