AceField/Scripts/UI/Leaderboard.cs

using System.Linq;
using AceField.Scripts.Logic;
using Godot;

namespace AceField.Scripts.UI;

public partial class Leaderboard : Control
{
	[Export] public Scoreboard Scoreboard;

	public override void _Process(double delta)
	{
		Visible = Input.IsActionPressed("ui_leaderboard");

		if (!Visible) return;
		if (Scoreboard.Players.Count == 1) return;

		if (GetNode<Control>("List").GetChildCount() != Scoreboard.Players.Count)
		{
			CleanNodes();
			CreateNodes();
			return;
		}

		var place = 1;
		var data = Scoreboard.Players.ToList();
		data.Sort((a, b) => b.Value.Score.CompareTo(a.Value.Score));
		foreach (var item in data)
		{
			var record = GetNode<Control>("List").GetNode<LeaderboardRecord>($"Record_{place}");

			record!.PlayerId = item.Key;

			record.Place = place;
			record.Score = item.Value.Score;
			record.PlayerName = item.Value.Name;

			place++;
		}
	}

	private void CleanNodes()
	{
		foreach (var child in GetNode<Control>("List").GetChildren())
		{
			child.QueueFree();
		}
	}

	private void CreateNodes()
	{
		var blueprint = GD.Load<PackedScene>("res://Scenes/UI/LeaderboardRecord.tscn");
		var place = 1;
		foreach (var record in Scoreboard.Players)
		{
			var instance = blueprint.Instantiate<LeaderboardRecord>();
			instance.Place = place;
			instance.PlayerName = record.Value.Name;
			instance.Score = record.Value.Score;
			instance.PlayerId = record.Key;
			instance.CustomMinimumSize = new Vector2(0, 80);
			instance.Name = $"Record_{place}";
			GetNode("List").AddChild(instance);
			place++;
		}
	}
}