cirnogodot/Scripts/Resources/PatternGroup.cs

using Godot;
using System.Collections.Generic;
using Cirno.Scripts.Actors;
using Godot.Collections;

namespace Cirno.Scripts.Resources;

[GlobalClass]
public partial class PatternGroup : AttackPattern
{
    [Export] private Array<AttackPattern> patterns;
    private int currentPatternIndex = 0;

    public override void Start(Node2D parent)
    {
        Parent = parent;
        currentPatternIndex = 0;
        patterns[currentPatternIndex].Start(parent);
    }

    public override void UpdatePattern(double delta)
    {
        if (currentPatternIndex < patterns.Count)
        {
            patterns[currentPatternIndex].UpdatePattern(delta);

            if (!patterns[currentPatternIndex].WaitForCompletion || patterns[currentPatternIndex].IsComplete())
            {
                currentPatternIndex++;
                if (currentPatternIndex < patterns.Count)
                {
                    patterns[currentPatternIndex].Start(Parent);
                }
            }
        }
    }

    public override bool IsComplete()
    {
        return currentPatternIndex >= patterns.Count;
    }
}