void ChangeState(ZOMBIE_STATE newState)
{
//Debug.Log("new state " + newState);
//if (state == newState)
// return;
switch (newState)
{
case ZOMBIE_STATE.IDLE:
_navMeshAgent.isStopped = true;
currAnimName = "idle";
this.GetComponent <Animator>().Play(currAnimName, 0);
break;
case ZOMBIE_STATE.WALK:
//_navMeshAgent.SetDestination(player.transform.position);
_navMeshAgent.isStopped = false;
currAnimName = "w" + moveAnimID.ToString();
this.GetComponent <Animator>().Play(currAnimName, 0);
break;
case ZOMBIE_STATE.SCREAM:
_navMeshAgent.isStopped = true;
currAnimName = "scream1";
this.GetComponent <Animator>().Play(currAnimName, 0);
break;
case ZOMBIE_STATE.ATTACK:
_navMeshAgent.isStopped = true;
currAnimName = "a" + attackAnimID.ToString();
this.GetComponent <Animator>().Play(currAnimName, 0);
break;
case ZOMBIE_STATE.DIE:
state = ZOMBIE_STATE.DIE;
_navMeshAgent.isStopped = true;
dead = true;
//delete the collider
if (GetComponent <CapsuleCollider>())
{
Destroy(GetComponent <CapsuleCollider>());
}
_navMeshAgent.isStopped = true;
if (GetComponent <Rigidbody>())
{
Destroy(GetComponent <Rigidbody>());
}
Death();
break;
case ZOMBIE_STATE._COUNT:
default:
break;
}
state = newState;
}
private string currAnimName;//read only use
protected void Start()
{
player = GameObject.FindGameObjectWithTag("Player");
state = ZOMBIE_STATE.IDLE;
attackAnimID = Random.Range(0, 2) + 1;
moveAnimID = Random.Range(0, 4) + 1;
deathAnimID = Random.Range(0, 2) + 1;
moveSpeed = moveAnimID * 0.44f;
timer = timeToScream = 0;
RandomizeTimeToScream();
dead = false;
attacking = false;
_navMeshAgent.speed = moveSpeed;
}
public void ChangeState(ZOMBIE_STATE state)
{
// Stop all AI Processing
StopAllCoroutines();
// set new state
activeState = state;
switch (activeState)
{
case ZOMBIE_STATE.PATROL:
StartCoroutine(AIPatrol());
return;
case ZOMBIE_STATE.CHASE:
StartCoroutine(AIChase());
// Broadcast this event maybe, like play warning sound
return;
case ZOMBIE_STATE.ATTACK:
StartCoroutine(AIAttack());
return;
}
}
public override void RunFSM()
{
GameObject m_TargetedEnemy = TargetToAttack();
switch (zombieState)
{
case ZOMBIE_STATE.Z_IDLE:
if (GetClosestDestination() != null)
{
zombieState = ZOMBIE_STATE.Z_CHASE;
}
if (this.HP <= 0)
{
zombieState = ZOMBIE_STATE.Z_DEAD;
}
break;
case ZOMBIE_STATE.Z_CHASE:
if (this.HP <= 0)
{
zombieState = ZOMBIE_STATE.Z_DEAD;
}
if (m_TargetedEnemy == null && GetClosestDestination() != null)
{
GameObject targetToChase = GetClosestDestination();
// Translate
Vector3 dir = (targetToChase.transform.position - this.gameObject.transform.position).normalized;
dir.y = 0;
this.gameObject.transform.position += dir * moveSpd * Time.deltaTime;
// Rotate
Quaternion lookRotation = Quaternion.LookRotation(dir);
transform.rotation = Quaternion.Slerp(transform.rotation, lookRotation, Time.deltaTime);
}
else if (GetClosestDestination() == null)
{
zombieState = ZOMBIE_STATE.Z_IDLE;
}
else
{
zombieState = ZOMBIE_STATE.Z_ATTACK;
}
break;
case ZOMBIE_STATE.Z_ATTACK:
if (this.HP <= 0)
{
zombieState = ZOMBIE_STATE.Z_DEAD;
}
if (m_TargetedEnemy != null)
{
AttackEnemy(m_TargetedEnemy);
}
else
{
zombieState = ZOMBIE_STATE.Z_CHASE;
}
break;
case ZOMBIE_STATE.Z_DEAD:
Destroy(this.gameObject);
break;
}
}
