static LandPredatorBrain()
{
PredatorTreeRoot = BT.Selector(
LandAnimalBrain.LyingDownTree,
BT.If(x => x.Alertness > LandAnimalBrain.AlertThreshold && x.Alertness < LandAnimalBrain.FullyAlertThreshold && x.AnimationState != AnimalAnimationState.Flee && x.AnimationState != AnimalAnimationState.AlertIdle && x.OnFlatGround,
// play an alert reaction before fleeing and intermittently while alert
PlayFixedTimeAnimation(AnimalAnimationState.AlertIdle, LandAnimalBrain.AlertIdleTime)),
MovementBehaviors.Flee,
GroupBehaviors.SleepNearLeader,
BT.If(x => x.Hunger > HungerThreshold,
BT.Selector(
TryEatNearbyCorpses,
new HuntMemoryBehavior()
{
NoNearbyFoodBehavior = LandAnimalBrain.LandAnimalFindFood
})),
GroupBehaviors.StayNearLeader(10f),
//TODO: show a failed chase if there are no corpses neary to eat
BT.If(MovementBehaviors.ShouldReturnHome,
MovementBehaviors.WanderHome),
BT.If(x => x.Alertness < Animal.FleeThreshold && RandomUtil.Chance(LandAnimalBrain.ChanceToLieDown) && x.OnFlatGround,
PlayAnimation(AnimalAnimationState.LyingDown, LandAnimalBrain.LyingTickDuration)),
BT.If(x => RandomUtil.Chance(LandAnimalBrain.ChanceToIdle) && x.OnFlatGround,
PlayAnimation(AnimalAnimationState.Idle, _ => RandomUtil.Range(LandAnimalBrain.MinIdleTime, LandAnimalBrain.MaxIdleTime))),
MovementBehaviors.Wander);
}
static HerdAnimalBrain()
{
HerdAnimalTreeRoot =
BT.Selector("Herd Brain",
LandAnimalBrain.LyingDownTree,
PerceptionBehaviors.Alert,
MovementBehaviors.Flee,
GroupBehaviors.SleepNearLeader,
LandAnimalBrain.FindAndEatPlants,
GroupBehaviors.StayNearLeader(20f),
MovementBehaviors.TryReturnHome,
RelaxBehaviors.Relax,
MovementBehaviors.Wander);
}
static HerdAnimalBrain()
{
HerdAnimalTreeRoot =
BT.Selector(
LandAnimalBrain.LyingDownTree,
BT.If(x => x.Alertness > LandAnimalBrain.AlertThreshold && x.Alertness < LandAnimalBrain.FullyAlertThreshold && x.AnimationState != AnimalAnimationState.Flee && x.AnimationState != AnimalAnimationState.AlertIdle && x.OnFlatGround,
// play an alert reaction before fleeing and intermittently while alert
PlayFixedTimeAnimation(AnimalAnimationState.AlertIdle, LandAnimalBrain.AlertIdleTime)),
MovementBehaviors.Flee,
GroupBehaviors.SleepNearLeader,
new FindAndEatPlantsMemoryBehavior()
{
NoNearbyFoodBehavior = LandAnimalBrain.LandAnimalFindFood
},
GroupBehaviors.StayNearLeader(20f),
BT.If(MovementBehaviors.ShouldReturnHome,
MovementBehaviors.WanderHome),
BT.If(x => x.Alertness < Animal.FleeThreshold && RandomUtil.Chance(LandAnimalBrain.ChanceToLieDown) && x.OnFlatGround,
PlayAnimation(AnimalAnimationState.LyingDown, LandAnimalBrain.LyingTickDuration)),
BT.If(x => RandomUtil.Chance(LandAnimalBrain.ChanceToIdle) && x.OnFlatGround,
PlayAnimation(AnimalAnimationState.Idle, _ => RandomUtil.Range(LandAnimalBrain.MinIdleTime, LandAnimalBrain.MaxIdleTime))),
MovementBehaviors.Wander);
}