public override void Execute()
{
entity.Move(entity.target.position - entity.transform.position, entity.chaseSpeed);
if (Time.time > timeToCheck)
{
if (entity.LookForTarget() == false)
{
// Enter seach state.
EnemySearchState newState = new EnemySearchState(lastTargetPosition + entity.transform.forward * 2.0f, entity.target.position - lastTargetPosition);
entity.stateMachine.ChangeState(newState);
}
else
{
if (Vector3.Distance(entity.transform.position, entity.target.position) < entity.attackRange - entity.controller.radius)
{
EnemyAttackState newState = new EnemyAttackState();
entity.stateMachine.ChangeState(newState);
}
else
{
lastTargetPosition = entity.target.position;
timeToCheck = Time.time + 0.2f; // Check with more frecuency, because the enemy is chasing.
}
}
}
}
public void Kill()
{
IsDead = true;
Rigidbody.velocity = Vector2.zero;
Rigidbody.isKinematic = true;
Collider.enabled = false;
AttackState = EnemyAttackState.Approaching;
AttackTimeInState = 0;
DamagedEffectObject.Ref()?.SetActive(false);
IdleSound.Ref()?.Stop();
DieSound.Ref()?.Play();
if (DeathEffectPrefab != null)
{
Instantiate(DeathEffectPrefab, transform.position, transform.rotation, CoreUtils.GetWorldRoot());
}
StartCoroutine(CoHideModel());
if (GrantScore > 0)
{
//TODO 1P/2P handling, we would need to pass the bullet or HitInfo in ITakeDamage like RpgGame and add a property to BulletScript for which player fired or something
GameState.Instance.Player1Score += GrantScore;
}
}
private void SetEnemyAttackState(EnemyAttackState attackState)
{
if (attackState == _enemyAttackState)
{
return;
}
_enemyAttackState = attackState;
}
private static EnemyAttackState _instance; //only declared once
private EnemyAttackState() //set instance to itself
{
if (_instance != null)
{
return;
}
_instance = this;
}
private void Awake()
{
//Initialise
StateMachine = new EnemyStateMachine();
IdleState = new EnemyIdleState(this, StateMachine, enemyData, "idle");
MoveState = new EnemyMoveState(this, StateMachine, enemyData, "move");
AttackState = new EnemyAttackState(this, StateMachine, enemyData, "inAttack");
DeathState = new EnemyDeathState(this, StateMachine, enemyData, "isDead");
}
private void MakeFSM()
{
mFSMSystem = new EnemyFSMSystem();
EnemyChaseState chaseState = new EnemyChaseState(mFSMSystem, this);
chaseState.AddTransition(EnemyTransition.CanAttack, EnemyStateID.Attack);
EnemyAttackState attackState = new EnemyAttackState(mFSMSystem, this);
attackState.AddTransition(EnemyTransition.LostSoldier, EnemyStateID.Chase);
mFSMSystem.AddState(chaseState, attackState);
}
protected virtual void MakeFSM()
{
fsmSystem = new EnemySatateSystem();
EnemyChaseState chase = new EnemyChaseState(fsmSystem, this);
chase.AddTransition(EnemyTransition.CanAttack, EnemyStateID.Attack);
fsmSystem.AddState(chase);
EnemyAttackState attack = new EnemyAttackState(fsmSystem, this);
attack.AddTransition(EnemyTransition.LostSoldier, EnemyStateID.Chase);
fsmSystem.AddState(attack);
}
private void Init()
{
if (!this.isInit)
{
this.isInit = true;
this.currentTarget = GameManager.Instance.GetPlayerTransform();
this.moveState = this.gameObject.AddComponent <EnemyMoveState>();
this.attackState = this.gameObject.AddComponent <EnemyAttackState>();
this.ownTransform = this.gameObject.transform;
this.moveState.ExitState();
this.attackState.ExitState();
}
}
private void MakeFsm()
{
Fsm = new EnemyFSMSystem();
EnemyChaseState chase = new EnemyChaseState(Fsm, this);
chase.AddTransition(EnemyTransition.CanAttack, EnemyStateID.Attack);
EnemyAttackState attack = new EnemyAttackState(Fsm, this);
attack.AddTransition(EnemyTransition.LostSoldier, EnemyStateID.Chase);
Fsm.AddState(chase, attack);
}
public void Kill()
{
IsDead = true;
Rigidbody.velocity = Vector2.zero;
Rigidbody.isKinematic = true;
Collider.enabled = false;
AttackState = EnemyAttackState.Approaching;
AttackTimeInState = 0;
Animator.Ref()?.Play("Die");
DieSound.Ref()?.Play();
if (GrantScore > 0)
{
//TODO 1P/2P handling, we would need to pass the bullet or HitInfo in ITakeDamage like RpgGame and add a property to BulletScript for which player fired or something
GameState.Instance.Player1Score += GrantScore;
}
}
private void HandleAttack()
{
if (!CanAttack || IsDead || IsCrashing)
{
return;
}
if (!ApproachDone && AttackState != EnemyAttackState.Approaching)
{
AttackState = EnemyAttackState.Approaching;
AttackTimeInState = 0;
BulletsFiredInBurst = 0;
}
if (ApproachDone && AttackState == EnemyAttackState.Approaching)
{
AttackState = EnemyAttackState.Waiting;
}
if (AttackState != EnemyAttackState.Approaching)
{
switch (AttackState)
{
case EnemyAttackState.WarmingUp:
if (AttackTimeInState > AttackWarmup)
{
//enter fire state
AttackState = EnemyAttackState.Firing;
AttackTimeInState = 0;
}
break;
case EnemyAttackState.Firing:
{
AttackSound.Ref()?.Play();
DoAttack();
unchecked
{
BulletsFiredInBurst++;
}
//immediately exit, at least for now
AttackState = EnemyAttackState.Waiting;
AttackTimeInState = 0;
}
break;
case EnemyAttackState.Waiting:
if (((BulletBurstCount <= 1 || BulletsFiredInBurst < BulletBurstCount) && AttackTimeInState > AttackInterval))
{
//enter fire state
AttackState = EnemyAttackState.Firing;
AttackTimeInState = 0;
if (BulletsFiredInBurst >= BulletBurstCount)
{
BulletsFiredInBurst = 0;
}
}
break;
}
AttackTimeInState += Time.deltaTime;
}
}
public void DoAttack()
{
state = EnemyAttackState.Dive;
camera = Camera.main;
}
void Awake()
{
patrolBehavior = new EnemyStationaryPatrolState(gameObject);
attackBehavior = new EnemyAttackState(gameObject);
currentState = patrolBehavior;
}
