using System.Collections.Generic;
using System.Linq;
using Godot;

namespace Babushka.scripts.CSharp.Common.Camera;

public partial class CameraTarget : Node2D
{
    private static readonly List<CameraTarget> AllTargets = new();

    public static CameraTarget GetActiveTarget() // Called every frame. Maybe needs performance optimization in the future
    {
        return AllTargets
            .OrderByDescending(t => t.Priority)
            .First();
    }

    [Export] public float Priority { get; set; }

    public override void _EnterTree()
    {
        AllTargets.Add(this);
    }
    
    public override void _ExitTree()
    {
        AllTargets.Remove(this);
    }
}