public override StatusValue Tick(Blackboard blackboard)
{
AIPerceptor senses = (AIPerceptor)blackboard.GetValue("senses");
Enemy target = senses.GetCurrentTarget();
Vector3 targetPos;
if (target == null)
{
List <GameObject> attackers = (List <GameObject>)blackboard.GetValue("attackingEnemies");
if (attackers.Count > 0)
{
targetPos = attackers[0].transform.position;
}
else
{
Debug.Log("targetting failed");
return(StatusValue.FAILED);
}
}
else
{
targetPos = target.transform.position;
}
Debug.Log("getting target enemy to attack");
blackboard.SetValue("moveToPos", targetPos);
blackboard.SetValue("distanceToArrival", 2.0f);
return(StatusValue.SUCCESS);
}
// Use this for initialization
void Awake()
{
//create a tree with just the attack node
senses = GetComponentInChildren <AIPerceptor>();
tree = new BTTree
(
new BTSelector(new List <BTTask>()
{
new BTSequence(new List <BTTask>()
{
new CheckIfPlayerUnderAttack(),
new RLFightOrFlight()
}),
new FollowPlayerSequence(),
new Idle()
}
));
//setup the blackboard values
tree.Blackboard = new Blackboard();
senses = GetComponentInChildren <AIPerceptor>();
senses.SetBlackboard(tree.Blackboard);
tree.Blackboard.SetValue("owner", this.gameObject);
tree.Blackboard.SetValue("senses", senses);
if (player)
{
tree.Blackboard.SetValue("player", player);
}
tree.BeginTree();
}
// Use this for initialization
void Awake()
{
tree.Blackboard = new Blackboard();
senses = GetComponentInChildren <AIPerceptor>();
//create the behaviour tree
tree = new BTTree(
new BTSelector(new List <BTTask>()
{
new Timer(
new BTSequence(
new List <BTTask>()
{
new MoveTo(),
new SelectNextLocation()
}),
5f),
new RLAttack(
new List <BTTask>()
{
new FireballAttack(),
new WaterAttack(),
new AirAttack(),
new EarthAttack()
})
}));
tree.Blackboard.SetValue("owner", this.gameObject);
tree.Blackboard.SetValue("patrolPoints", GetComponent <Patrol>().GetPatrolPoints());
tree.Blackboard.SetValue("moveToPos", GetComponent <Patrol>().GetPatrolPoints()[0].transform.position);
tree.Blackboard.SetValue("distanceToArrival", 0.5f);
tree.Blackboard.SetValue("senses", senses);
tree.BeginTree();
}
public override void FirstTimeInit(Blackboard blackboard)
{
//initialise values for future runs
if (owner == null)
{
owner = (GameObject)blackboard.GetValue("owner");
}
if (senses == null)
{
senses = (AIPerceptor)blackboard.GetValue("senses");
}
}
public virtual float LaunchAttack(Blackboard blackboard)
{
AIPerceptor senses = (AIPerceptor)blackboard.GetValue("senses");
//first time setup for this attack's caster
if (caster == null)
{
caster = (GameObject)blackboard.GetValue("owner");
}
//calculate damage based on base damage and the target's resistances (in some games this would also involve the caster's stats)
target = senses.GetCurrentTarget();
if (target == null)
{
Debug.Log("No target to attack");
return(0);
}
float damage = baseDamage * target.GetResistance(damageType);
//deal the damage to the enemy
target.TakeDamage(damage);
//the damage value returned is used as the reward value
return(damage);
}
public override void FirstTimeInit(Blackboard blackboard)
{
senses = (AIPerceptor)blackboard.GetValue("senses");
}
