using Unity.
Netcode;
using UnityEngine;
public class SpaceShooterEnemyBehavior : BaseEnemyBehavior
{
[SerializeField]
public GameObject m_EnemyBulletPrefab;
[SerializeField]
private NetworkVariable<float> m_ShootingCooldown =
new NetworkVariable<float>(2f, NetworkVariableReadPermission.Everyone);
[SerializeField]
private AudioClip m_shootClip;
private float m_CurrentCooldownTime = 0f;
public override void OnNetworkSpawn()
{
if (IsServer)
m_EnemyHealthPoints.OnValueChanged += OnEnemyHealthPointsChange;
base.OnNetworkSpawn();
}
private void OnDisable()
{
if (IsServer)
m_EnemyHealthPoints.OnValueChanged -= OnEnemyHealthPointsChange;
}
// Update is called once per frame
protected override void Update()
{
if (IsServer)
{
base.Update();
}
}
protected override void UpdateActive()
{
MoveEnemy();
m_CurrentCooldownTime += Time.deltaTime;
if (m_CurrentCooldownTime >= m_ShootingCooldown.Value)
{
m_CurrentCooldownTime = 0f;
ShootLaserServerRpc();
}
}
protected override void UpdateDefeatedAnimation()
{
PowerUpSpawnController.instance.OnPowerUpSpawn(transform.position);
NetworkObjectSpawner.SpawnNewNetworkObject(m_VfxExplosion,
transform.position);
m_EnemyState.Value = EnemyState.defeated;
}
[ServerRpc]
private void ShootLaserServerRpc()
{
var newEnemyLaser =
NetworkObjectSpawner.SpawnNewNetworkObject(m_EnemyBulletPrefab);
PlayShootAudioClientRpc();
var bulletController = newEnemyLaser.GetComponent<BulletController>();
if (bulletController != null)
{
bulletController.m_Owner = gameObject;
}
newEnemyLaser.transform.position = this.gameObject.transform.position;
}
[ClientRpc]
private void PlayShootAudioClientRpc()
{
AudioManager.Instance.PlaySoundEffect(m_shootClip);
}
private void OnTriggerEnter2D(Collider2D otherObject)
{
// Only react to trigger on the server
if (!IsServer)
return;
// check if it's collided with a player spaceship
var spacheshipController =
otherObject.gameObject.GetComponent<PlayerShipController>();
if (spacheshipController != null)
{
// tell the spaceship that it's taken damage
spacheshipController.Hit(1);
// enemy explodes when it collides with the a player's ship
m_EnemyState.Value = EnemyState.defeatAnimation;
}
// check if it's collided with a player's bullet
var shipBulletBehavior =
otherObject.gameObject.GetComponent<BulletController>();
if (shipBulletBehavior != null && shipBulletBehavior.m_Owner !=
this.gameObject)
{
// if so, take one health point away from enemy
m_EnemyHealthPoints.Value -= 1;
}
}
private void OnEnemyHealthPointsChange(int oldHP, int newHP)
{
// if enemy's health is 0, then time to start enemy dead animation
if (newHP <= 0)
{
m_EnemyState.Value = EnemyState.defeatAnimation;
}
}
}
