PongFE/PongFE/Renderers/ScoreRenderer.cs

using Encompass;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using PongFE.Components;
using PongFE.Enums;
using SpriteFontPlus;

namespace PongFE.Renderers
{
    public class ScoreRenderer : GeneralRenderer
    {
        public SpriteBatch SpriteBatch { get; }
        public DynamicSpriteFont Font { get; }

        public ScoreRenderer(SpriteBatch spriteBatch, DynamicSpriteFont font)
        {
            SpriteBatch = spriteBatch;
            Font = font;
        }

        public override void Render()
        {
            int? playerOneScore = null;
            int? playerTwoScore = null;

            foreach (ref readonly var entity in ReadEntities<ScoreComponent>())
            {
                ref readonly var scoreComponent = ref GetComponent<ScoreComponent>(entity);
                ref readonly var playerComponent = ref GetComponent<PlayerComponent>(entity);

                if (playerComponent.PlayerIndex == Enums.PlayerIndex.One)
                {
                    playerOneScore = scoreComponent.Score;
                }
                else if (playerComponent.PlayerIndex == Enums.PlayerIndex.Two)
                {
                    playerTwoScore = scoreComponent.Score;
                }
            }

            if (playerOneScore.HasValue)
            {
                SpriteBatch.DrawString(
                    Font,
                    playerOneScore.Value.ToString(),
                    new Vector2(400, 20),
                    Color.White
                );
            }

            if (playerTwoScore.HasValue)
            {
                SpriteBatch.DrawString(
                    Font,
                    playerTwoScore.Value.ToString(),
                    new Vector2(880 - 64, 20),
                    Color.White
                );
            }
        }
    }
}