cirnogodot/Scripts/AttackPatterns/TargetedPattern.cs

using Cirno.Scripts.Actors;
using Cirno.Scripts.Components;
using Cirno.Scripts.Resources;

namespace Cirno.Scripts.AttackPatterns;

using Godot;

[GlobalClass]
public partial class TargetedPattern : AttackPattern
{
    [Export] public PackedScene BulletScene;
    
    [Export] private float bulletSpeed = 5f;
    [Export] private float duration = 3f;
    [Export] private float burstInterval = 0.5f;
    [Export] private int bulletsPerShot = 1;
    [Export] private float spread = 0f;
    [Export] private BulletOwner owner = BulletOwner.Enemy;
    [Export] private Resource modifier;

    private double timer;
    private double burstTimer;
    private BulletSpawner spawner;
    //private Node2D player;
    private GameManager _gameManager;
    
    public override void Start(Boss boss)
    {
        _gameManager = boss.GetNode<GameManager>("/root/GameScene");
        
        Boss = boss;
        timer = 0;
        burstTimer = 0;
        spawner = boss.GetNode<BulletSpawner>("BulletSpawner");
        
    }

    public override void UpdatePattern(double delta)
    {
        timer += delta;
        burstTimer += delta;
        if (timer < duration && burstTimer >= burstInterval && _gameManager.PlayerPosition.HasValue)
        {
            spawner.SpawnTargetedBullet(Boss.GlobalPosition, _gameManager.PlayerPosition.Value, bulletSpeed, owner, BulletScene, bulletsPerShot, spread, modifier as IBulletModifier);
            burstTimer = 0;
        }
    }

    public override bool IsComplete()
    {
        return timer >= duration;
    }
}