public static FollowPlayerState GetInstance()
{
if (_instance == null)
{
_instance = new FollowPlayerState();
}
return(_instance);
}
public override void Update(EnemyAgent agent)
{
if (Vector3.Distance(agent.GetNavMeshAgent().destination, agent.transform.position) < 2.5f)
{
agent.UpdateWaypoint();
}
RaycastHit hit;
if (Physics.SphereCast(agent.transform.position + new Vector3(0.5f, 0f, 0.5f), 1f, agent.transform.forward, out hit, agent.GetFollowRange()))
{
if (hit.collider.tag == "Player")
{
agent.SetState(FollowPlayerState.GetInstance());
}
}
}
public override void Update(EnemyAgent agent)
{
//check if player is in his way if yes follow player
if (Vector3.Distance(agent.GetNavMeshAgent().destination, agent.transform.position) < agent.GetAttackRange() + 0.5f)
{
agent.SetState(AttackBaseState.GetInstance());
}
RaycastHit hit;
if (Physics.SphereCast(agent.transform.position + new Vector3(0.5f, 0.5f, 0.5f), 0.5f, agent.transform.forward, out hit, agent.GetFollowRange()))
{
if (hit.collider.tag == "Player")
{
agent.SetState(FollowPlayerState.GetInstance());
}
}
}
public override void Update(EnemyAgent agent)
{
//check if target still in attack range if yes attack again after ending the attack animation
agent.SetPlayerTarget();
if (Vector3.Distance(agent.GetNavMeshAgent().destination, agent.transform.position) < agent.GetAttackRange())
{
if (agent.GetCurrentTimeBtwAttacks() <= 0)
{
agent.Attack();
}
else
{
agent.AdjustAttackTime();
}
}
else
{
agent.SetState(FollowPlayerState.GetInstance());
}
}
private void MakeFSM()
{
Vector3 target = new Vector3(Random.Range(transform.position.x - 5.0f, transform.position.x + 5.0f), Random.Range(transform.position.y - 5.0f, transform.position.y + 5.0f));
RoamingState follow = new RoamingState(target);
follow.AddTransition(Transition.SawPlayer, StateID.ChasePlayer);
FollowPlayerState chase = new FollowPlayerState();
chase.AddTransition(Transition.LostPlayer, StateID.FollowPath);
chase.AddTransition(Transition.NearPlayer, StateID.AttackPlayer);
ShootPlayerState attack = new ShootPlayerState();
attack.AddTransition(Transition.SawPlayer, StateID.ChasePlayer);
sm = new FSMSystem();
sm.AddState(follow);
sm.AddState(chase);
sm.AddState(attack);
}