cirnogodot/Scripts/AttackPatterns/SpiralPattern.cs

using System.Collections.Generic;
using System.Linq;
using Cirno.Scripts.Actors;
using Cirno.Scripts.Components;
using Cirno.Scripts.Resources;
using Godot;
using Godot.Collections;
using Array = System.Array;

namespace Cirno.Scripts.AttackPatterns;

[GlobalClass]
public partial class SpiralPattern : AttackPattern
{
    [Export] public PackedScene BulletScene;
    [Export] private float bulletSpeed = 5f;
    [Export] private int bulletCount = 16;
    [Export] private float rotationSpeed = 0f;
    [Export] private float _rotationOffset = 0f;
    [Export] private float duration = 5f;
    [Export] private float burstInterval = 0.5f;
    [Export] private float spread = 360f;
    [Export] private BulletOwner owner = BulletOwner.Enemy;
    [Export] private DamageType _damageType = DamageType.Neutral;
    [Export] private float _bulletDamage = 1f;
    [Export] private BulletCreationModifier _modifier;
    [Export] private Array<TimeModifier> _timeModifiers;

    [Export] private bool _targetPlayer = false;
    
    private double timer;
    private double burstTimer;
    private BulletSpawner spawner;
    
    public override void Start(Boss boss)
    {
        Boss = boss;
        timer = 0;
        burstTimer = burstInterval; // start immediately
        spawner = boss.GetNode<BulletSpawner>("BulletSpawner");
    }

    public override void UpdatePattern(double delta)
    {
        timer += delta;
        burstTimer += delta;
        if (timer < duration && burstTimer >= burstInterval)
        {
            float angleOffset = _rotationOffset + (float)(rotationSpeed * timer);

            Vector2 direction = Vector2.Right;
            
            if (_targetPlayer && Boss.GameManager.PlayerPosition.HasValue)
            {
                direction = (Boss.GameManager.PlayerPosition.Value - Boss.GlobalPosition).Normalized();
            }
            
            spawner.SpawnBullet(new BulletInfo()
            {
                Position = Boss.GlobalPosition,
                Direction = direction,
                Speed = bulletSpeed,
                Owner = owner,
                DamageType = _damageType,
                Damage = _bulletDamage,
                BulletCount = bulletCount,
                Spread = spread,
                BulletScene = BulletScene,
                RotationOffset = angleOffset,
                Modifier = _modifier,
                TimeModifiers = ((_timeModifiers?.Where(mod => mod != null)) ?? Array.Empty<TimeModifier>()).Select(m => new ModifierWrapper()
                {
                    TimeModifier = m,
                    Applied = false
                }).ToList()
            });
            
            // spawner.SpawnSpiralPattern(Boss.GlobalPosition, bulletSpeed, owner, bulletCount, rotationSpeed, timer, spread, BulletScene);
            burstTimer = 0;
        }
    }

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