protected override int onUpdate(BehaviourTreeData wData)
{
TBTActionPrioritizedSelectorContext thisContext = getContext <TBTActionPrioritizedSelectorContext>(wData);
int runningState = BehaviourTreeRunningStatus.FINISHED;
if (thisContext.currentSelectedIndex != thisContext.lastSelectedIndex)
{
if (IsIndexValid(thisContext.lastSelectedIndex))
{
BehaviourAction node = GetChild <BehaviourAction>(thisContext.lastSelectedIndex);
node.Transition(wData);
}
thisContext.lastSelectedIndex = thisContext.currentSelectedIndex;
}
if (IsIndexValid(thisContext.lastSelectedIndex))
{
BehaviourAction node = GetChild <BehaviourAction>(thisContext.lastSelectedIndex);
runningState = node.Update(wData);
if (BehaviourTreeRunningStatus.IsFinished(runningState))
{
thisContext.lastSelectedIndex = -1;
}
}
return(runningState);
}
public void When_interrupt_throws_then_doesnt_interrupt()
{
const BehaviourReturnCode actual = BehaviourReturnCode.Success;
var action = new BehaviourAction(() => actual);
var condition = new Conditional(() => { throw new Exception(); });
var returnCode = new Interruptible(action, condition, BehaviourReturnCode.Success).Behave();
Assert.AreEqual(actual, returnCode);
}
protected override void onTransition(BehaviourTreeData wData)
{
TBTActionPrioritizedSelectorContext thisContext = getContext <TBTActionPrioritizedSelectorContext>(wData);
BehaviourAction node = GetChild <BehaviourAction>(thisContext.lastSelectedIndex);
if (node != null)
{
node.Transition(wData);
}
thisContext.lastSelectedIndex = -1;
}
public void When_interrupt_is_true_returns_assigned_interrupt_return_value()
{
var action = new BehaviourAction(() => BehaviourReturnCode.Success);
var condition = new Conditional(() => true);
var successInterruptable = new Interruptible(action, condition, BehaviourReturnCode.Success);
var failureInterruptable = new Interruptible(action, condition, BehaviourReturnCode.Failure);
var runningInterruptable = new Interruptible(action, condition, BehaviourReturnCode.Running);
Assert.AreEqual(successInterruptable.Behave(), BehaviourReturnCode.Success);
Assert.AreEqual(failureInterruptable.Behave(), BehaviourReturnCode.Failure);
Assert.AreEqual(runningInterruptable.Behave(), BehaviourReturnCode.Running);
}
public BehaviourAction SetStateAction(T state, System.Func <bool, BehaviourAction.ActionResult> updateFunc)
{
var stateaction = new BehaviourAction(updateFunc, Enum.GetName(typeof(T), state));
if (_stateActions.ContainsKey(state))
{
_stateActions[state] = stateaction;
}
else
{
_stateActions.Add(state, stateaction);
AddChild(stateaction);
}
return(stateaction);
}
public void When_interrupt_is_false_child_behaves_as_normal()
{
var successAction = new BehaviourAction(() => BehaviourReturnCode.Success);
var failureAction = new BehaviourAction(() => BehaviourReturnCode.Failure);
var runningAction = new BehaviourAction(() => BehaviourReturnCode.Running);
var condition = new Conditional(() => false);
var successInterruptable = new Interruptible(successAction, condition, BehaviourReturnCode.Failure);
var failureInterruptable = new Interruptible(failureAction, condition, BehaviourReturnCode.Failure);
var runningInterruptable = new Interruptible(runningAction, condition, BehaviourReturnCode.Failure);
Assert.AreEqual(successInterruptable.Behave(), BehaviourReturnCode.Success);
Assert.AreEqual(failureInterruptable.Behave(), BehaviourReturnCode.Failure);
Assert.AreEqual(runningInterruptable.Behave(), BehaviourReturnCode.Running);
}
protected override bool onEvaluate(/*in*/ BehaviourTreeData wData)
{
TBTActionPrioritizedSelectorContext thisContext = getContext <TBTActionPrioritizedSelectorContext>(wData);
thisContext.currentSelectedIndex = -1;
int childCount = GetChildCount();
for (int i = 0; i < childCount; ++i)
{
BehaviourAction node = GetChild <BehaviourAction>(i);
if (node.Evaluate(wData))
{
thisContext.currentSelectedIndex = i;
return(true);
}
}
return(false);
}
public void Setup()
{
var isThiefNearTreasureConditional = new Conditional(IsThiefNearTreasure);
var makethiefFleeAction = new BehaviourAction(MakeThiefFlee);
var sequence = new Sequence(new Inverter(isThiefNearTreasureConditional), makethiefFleeAction);
var chooseCastleAction = new BehaviourAction(ChooseACastleToFlyTo);
var flytoCastleAction = new BehaviourAction(FlyToCastle);
var fightAction = new BehaviourAction(FightGuards);
var strongEnoughConditional = new Conditional(StrongEnough);
var takeGold = new BehaviourAction(TakeGold);
var flytoHomeAction = new BehaviourAction(FlyToHome);
var storeRobingsAction = new BehaviourAction(StoreGold);
var secondSequence = new Sequence(chooseCastleAction, flytoCastleAction, fightAction, strongEnoughConditional, takeGold,
flytoHomeAction, storeRobingsAction);
var rootSelector = new RootSelector(SwitchNodes, sequence, secondSequence);
_behaviour = new Behaviour(rootSelector);
}
private void Setup()
{
var tooClose = new Conditional(isTooClose);
var targetMoved = new Conditional(hasTargetMoved);
var pathFound = new Conditional(hasPathBeenFound);
var reachedCell = new Conditional(hasReachedCell);
var reachedTarget = new Conditional(hasReachedTarget);
var isNewPath = new Conditional(hasNewPath);
//setup all actions and their delegate functions
BehaviourAction moveToCell = new BehaviourAction(moveTowardsCell);
BehaviourAction calcPath = new BehaviourAction(calculatePath);
BehaviourAction initPathfinder = new BehaviourAction(initializePathfinder);
BehaviourAction getNextCell = new BehaviourAction(getNextPathCell);
BehaviourAction setPath = new BehaviourAction(setNewPath);
BehaviourAction getPath = new BehaviourAction(getCurrentPath);
BehaviourAction updatePosition = new BehaviourAction(updateTargetPosision);
BehaviourAction reset = new BehaviourAction(resetPathfinder);
BehaviourAction animate = new BehaviourAction(updateAnimation);
//setup an initilization branch
var initialize = new Sequence(initPathfinder, calcPath);
//if the target has moved, reset and calculate a new path
var ifMovedCreateNewPath = new Selector(new Inverter(targetMoved), new Inverter(reset), calcPath);
var ifPathFoundGetPath = new Selector(new Inverter(pathFound), getPath);
var ifPathNewUseIt = new Selector(new Inverter(isNewPath), setPath);
var ifReachedCellGetNext = new Selector(new Inverter(reachedCell), getNextCell);
var ifNotReachedTargetMoveTowardsCell = new Selector(reachedTarget, moveToCell);
var follow = new Selector(new Inverter(tooClose), updatePosition, ifMovedCreateNewPath, ifPathFoundGetPath,
ifPathNewUseIt, ifReachedCellGetNext, ifNotReachedTargetMoveTowardsCell, animate);
var root = new RootSelector(SwitchBehaviours, initialize, follow);
//set a reference to the root
_behaviour = new Behaviour(root);
}
public void DetermineAutoAction(int newTileX, int newTileY, out ulong duration)
{
var identityCreature = owner.GetComponent <Creature>();
nextAction = new BehaviourAction();
duration = 1;
var tileActingOn = owner.map.tileObjects[newTileY][newTileX];
if (!tileActingOn.IsCollidable())
{
duration = identityCreature.ticksPerMove;
nextAction.finishAction = () =>
{
owner.map.TryMoveObject(owner, newTileX, newTileY);
if (owner.tile.objectList.Any(x => x.canBePickedUp))
{
owner.PickUpAll();
}
};
}
else
{
foreach (var dOb in tileActingOn.objectList)
{
if (dOb.isCollidable)
{
duration = identityCreature.ticksPerAttack;
if (dOb.GetComponent <Door>())
{
nextAction.startAction = () =>
{
owner.map.TryMoveObject(owner, newTileX, newTileY);
identityCreature.StartAttack(dOb);
return(false);
};
nextAction.continueAction = () =>
{
return(identityCreature.ContinueAttack(dOb));
};
nextAction.finishAction = () =>
{
identityCreature.FinishAttack(dOb);
};
}
else
{
nextAction.startAction = () =>
{
identityCreature.StartAttack(dOb);
return(false);
};
nextAction.continueAction = () =>
{
return(identityCreature.ContinueAttack(dOb));
};
nextAction.finishAction = () =>
{
owner.map.TryMoveObject(owner, newTileX, newTileY);
identityCreature.FinishAttack(dOb);
};
}
break;
}
}
}
}
