// Update is called once per frame
void Update()
{
int moveX = 1;
float moveY = 0;
if (tactic == ShipTactic.Attacking)
{
if (attackPhase == AttackPhase.Attacking)
{
shooting = true;
dir = transform.position.x > playerShipRuntime.Position.x ? -1 : 1;
if (HP == 1 && type != EnemyType.Fighter)
{
tactic = ShipTactic.Fleeing;
}
//ship isn't in the shooting range
if (Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) > halfShootRange)
{
moveX = 1;
moveY = 0;
}
else if (Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) <= halfShootRange && Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) > shootRange)
{
moveY = playerShipRuntime.Position.y > transform.position.y ? 1 : -1;
moveX = 1;
}
else if (Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) < backoutXRange)
{
moveX = 1;
moveY = 0;
dir = transform.position.x > playerShipRuntime.Position.x ? 1 : -1;
}
else
{
if (Mathf.Abs(playerShipRuntime.Position.y - (transform.position.y - 0.1f)) > 0.1f)
{
moveY = playerShipRuntime.Position.y > transform.position.y ? 1 : -1;
}
else
{
moveY = 0;
}
moveX = 0;
}
if (playerShipRuntime.Invulnerable == true)
{
attackPhase = AttackPhase.HitLanded;
hitLandedBackoutStarted = Time.time;
hitLandedStartY = transform.position.y;
}
else if (attackChaseStarted + attackChaseTime < Time.time)
{
attackPhase = AttackPhase.BackingOut;
chaseFailedBackoutStarted = Time.time;
}
}
else if (attackPhase == AttackPhase.HitLanded)
{
shooting = false;
//ship isn't in the shooting range
if (Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) > shootRange)
{
moveX = 1;
moveY = 0;
}
else if (Mathf.Abs(transform.position.x - playerShipRuntime.Position.x) < backoutXRange)
{
moveX = 1;
moveY = 0;
dir = transform.position.x > playerShipRuntime.Position.x ? 1 : -1;
}
moveY = hitLandedStartY > 0 ? -1 : 1;
if (hitLandedBackoutStarted + hitLandedBackoutTime < Time.time)
{
attackPhase = AttackPhase.Attacking;
attackChaseStarted = Time.time;
}
}
else
{
shooting = false;
moveX = 0;
moveY = 0;
if (chaseFailedBackoutStarted + chaseFailedBackoutTime < Time.time)
{
attackPhase = AttackPhase.Attacking;
attackChaseStarted = Time.time;
}
}
}
else if (tactic == ShipTactic.PassingThrough)
{
if ((dir > 0 && playerShipRuntime.Position.x > transform.position.x) || (dir < 0 && playerShipRuntime.Position.x < transform.position.x))
{
if (Mathf.Abs(playerShipRuntime.Position.y - transform.position.y) < 1f && playerShipRuntime.Position.y >= transform.position.y)
{
moveY = -1;
}
if (Mathf.Abs(playerShipRuntime.Position.y - transform.position.y) < 1f && playerShipRuntime.Position.y < transform.position.y)
{
moveY = 1;
}
}
if (HP == 1)
{
tactic = ShipTactic.Fleeing;
}
}
else if (tactic == ShipTactic.Fleeing)
{
if (float.IsNaN(fleeingStartY))
{
fleeingStartY = transform.position.y;
}
if (fleeingStartY + fleeingYMax < transform.position.y)
{
fleeingMoveY = -1 * fleeingMoveYCoef;
}
else if (fleeingStartY + fleeingYMin > transform.position.y)
{
fleeingMoveY = 1 * fleeingMoveYCoef;
}
if (transform.position.x > playerShipRuntime.Position.x)
{
dir = 1;
}
else
{
dir = -1;
}
//military ships heal on fleeing mode
if (type == EnemyType.Military)
{
if (lastHealed == 0)
{
lastHealed = Time.time - 5f;
}
if (Time.time > lastHealed + healFrequency)
{
HP += 1;
lastHealed = Time.time;
}
if (HP >= healTillGood)
{
tactic = ShipTactic.Attacking;
lastHealed = 0;
}
}
moveY = fleeingMoveY;
shooting = false;
}
else if (tactic == ShipTactic.Broken)
{
moveX = 0;
moveY = 0;
boardable = true;
body.constraints = RigidbodyConstraints2D.FreezeAll;
doCollisionDamage = false;
hpMeter.gameObject.SetActive(false);
boardSign.SetActive(true);
dockingManager.SetDockable(this);
shooting = false;
}
else if (tactic == ShipTactic.Explode)
{
foreach (GameObject explObj in explosionParts)
{
explObj.SetActive(true);
}
foreach (Transform child in transform)
{
SpriteRenderer renderer = child.GetComponent <SpriteRenderer>();
if (renderer != null)
{
renderer.enabled = false;
}
}
if (type == EnemyType.Civilian && !spawnedAstronaut)
{
spawnedAstronaut = true;
for (var i = 0; i < 3; i++)
{
Astronaut astronaut = Instantiate(astronautPrefab);
Vector3 v = Random.onUnitSphere;
Vector3 v2 = Vector3.Normalize(new Vector3(v.x, v.y, 0));
Vector2 x = new Vector2(v2.x, v2.y);
astronaut.transform.position = transform.position;
astronaut.SetDirection(x);
}
}
doCollisionDamage = false;
enemyCollider.enabled = false;
shooting = false;
hpMeter.gameObject.SetActive(false);
boardSign.SetActive(false);
moveX = 0;
moveY = 0;
StartCoroutine(WaitAndDestroy());
}
else if (tactic == ShipTactic.TooFar)
{
if (playerShipRuntime.Position.x >= transform.position.x)
{
dir = 1;
}
else
{
dir = -1;
}
if ((dir > 0 && playerShipRuntime.Position.x > transform.position.x) || (dir < 0 && playerShipRuntime.Position.x < transform.position.x))
{
if (Mathf.Abs(playerShipRuntime.Position.y - transform.position.y) < 1f && playerShipRuntime.Position.y >= transform.position.y)
{
moveY = -1;
}
if (Mathf.Abs(playerShipRuntime.Position.y - transform.position.y) < 1f && playerShipRuntime.Position.y < transform.position.y)
{
moveY = 1;
}
}
if (Mathf.Abs(playerShipRuntime.Position.x - transform.position.x) < 10)
{
tactic = previousTactic;
}
}
if (HP == 0)
{
if (type == EnemyType.Cargo)
{
tactic = ShipTactic.Broken;
}
else
{
tactic = ShipTactic.Explode;
}
}
if (tactic != ShipTactic.Explode && tactic != ShipTactic.Broken && tactic != ShipTactic.TooFar)
{
if (Vector3.Distance(playerShipRuntime.Position, transform.position) > 40)
{
previousTactic = tactic;
tactic = ShipTactic.TooFar;
}
}
if (transform.position.y > maxY && moveY > 0)
{
moveY = 0;
}
else if (transform.position.y < minY && moveY < 0)
{
moveY = 0;
}
body.velocity = new Vector2(velocity.x * Time.deltaTime * dir * moveX, velocity.y * Time.deltaTime * moveY);
hpMeter.SetHealth(HP);
}
IEnumerator WaitAndStartExplosion()
{
yield return(new WaitForSeconds(3));
tactic = ShipTactic.Explode;
}
