public static IEnumerator <BTStatus> Hunt(Animal agent, Func <Animal, BTStatus> noNearbyFoodBehavior)
{
while (agent.Hunger > Brain.HungerSatiated)
{
var agentRegion = RouteRegions.GetRegion(agent.Position.WorldPosition3i);
var nearPrey = NetObjectManager.GetObjectsWithin(agent.Position.XZ, agent.DetectionRange).OfType <Animal>()
.Where(x => agent.ShouldFleeUs(x) && RouteRegions.GetRegion(x.Position.WorldPosition3i) == agentRegion)
.OrderBy(x => Vector3.WrappedDistanceSq(x.Position, agent.Position) + (x.AnimationState == AnimalAnimationState.Sleeping ? -200 : 0));
foreach (var prey in nearPrey)
{
var i = 0;
while (prey.Active)
{
Eco.Simulation.ExternalInputs.PredatorTracker.AddPredator(agent);
var route = AIUtilities.GetRoute(agent.Position, prey.Position, prey.Alertness < 50 ? agent.Species.WanderingSpeed : agent.Species.Speed);
agent.Target.SetPath(route);
agent.Target.Set(prey);
agent.NextTick = Math.Min(agent.Target.TargetTime, WorldTime.Seconds + 3);
i++;
yield return(BTStatus.Running);
if (Vector3.WrappedDistance(agent.Position, prey.Position) < 2f || i > 4)
{
// making this look good will require a lot of work, for now just let it go
agent.Hunger = 0;
Eco.Simulation.ExternalInputs.PredatorTracker.RemovePredator(agent);
yield break;
}
}
}
yield return(noNearbyFoodBehavior(agent));
}
}
