protected override BehaviourTreeStatus internalUpdate(GameTime gameTime)
{
var movingEntity = (MovingEntity)subject;
var target = SimulationGame.World.LivingEntities.ContainsKey(targetID) ? SimulationGame.World.LivingEntities[targetID] : null;
if (target == null)
{
movingEntity.StopWalking();
return(BehaviourTreeStatus.Failure);
}
if (GeometryUtils.VectorsWithinDistance(movingEntity.Position, target.Position, tillDistance))
{
movingEntity.StopWalking();
return(BehaviourTreeStatus.Success);
}
else
{
if (teleportDistance > 0 && movingEntity.InteriorID == target.InteriorID && GeometryUtils.GetEuclideanDistance(movingEntity.Position, target.Position) > teleportDistance)
{
var teleportBlockDistance = teleportDistance / WorldGrid.BlockSize.X;
var teleportPosition = AIUtils.GetWalkablePositionCloseTo(movingEntity.Position, target.Position, (int)((teleportBlockDistance + 16) - teleportBlockDistance) * WorldGrid.BlockSize.X);
if (teleportPosition != null)
{
movingEntity.UpdatePosition(teleportPosition);
return(BehaviourTreeStatus.Running);
}
}
// Only rewalk if new position is greater than 3 blocks
if (movingEntity.InteriorID == target.InteriorID && movingEntity.DestBlockPosition != null && GeometryUtils.VectorsWithinDistance(movingEntity.DestBlockPosition, target.Position.ToBlockPosition(), 5))
{
return(BehaviourTreeStatus.Running);
}
movingEntity.WalkToPosition(target.Position);
return(BehaviourTreeStatus.Running);
}
}