Engine-Pong/Game/Behaviours/PongTextBehaviour.cs

using Microsoft.Xna.Framework.Graphics;
using Syntriax.Engine.Core;

namespace Pong.Behaviours;

public class PongTextBehaviour : TextBehaviour
{
    public bool IsLeft { get; }

    private PongManager? pongManager = null;

    public PongTextBehaviour(bool IsLeft) => this.IsLeft = IsLeft;
    public PongTextBehaviour(bool IsLeft, SpriteFont font) : base(font) => this.IsLeft = IsLeft;

    protected override void OnFirstActiveFrame()
    {
        if (!GameObject.GameManager.TryFindBehaviour(out pongManager))
            return;

        pongManager.OnScored += UpdateScores;
        pongManager.OnReset += UpdateScores;

        UpdateScores(pongManager);
    }

    private void UpdateScores(PongManager pongManager)
    {
        if (IsLeft)
            Text = pongManager.ScoreLeft.ToString();
        else
            Text = pongManager.ScoreRight.ToString();
    }
}