Menu.cs

using Microsoft.Xna.Framework;
using Dungeon_Delvers.Managers;
using Dungeon_Delvers.Data_Structures;
using Microsoft.Xna.Framework.Graphics;
namespace Dungeon_Delvers;

class Menu
{
    Vector2 PADDING = new Vector2(30, 10);
    LinkedList<string> options = new LinkedList<string>(); 
    int hoveringOver = 0;

    // Returns:
    //  * <Number> where <number> is index of menu option chosen
    //  * Null if menu should stay open
    //  * -1 if menu should close with no chosen option
    public int? Update(string[] args)
    {
        options.Reset();
        foreach (string s in args) options.Add(s);

        switch (InputManager.PressedDirection)
        {
            case Directions.Up:
                // Modulus is to enable wraparound
                hoveringOver = System.Math.Abs((--hoveringOver) % args.Length);
                break;
            case Directions.Down:
                // Modulus is to enable wraparound
                hoveringOver = (++hoveringOver) % args.Length;
                break;
            default:
                break;
        }

        if (InputManager.InteractPressed) return hoveringOver;
        else if (InputManager.PressedKey(Microsoft.Xna.Framework.Input.Keys.Q))
        {
            return -1;
        }
        else return null;
    }

    public void Draw(SpriteFont font)
    {
        Vector2 pos = new Vector2(0, 0);
        int convertedHover = options.Count - 1 - hoveringOver;

        for (int i = options.Count - 1; i >= 0; i--)
        {
            if (i == convertedHover)
            {
                Globals.sprites.DrawString(font, options.Get(i), pos + PADDING,
                        Color.Yellow);
            }
            else 
            {
                Globals.sprites.DrawString(font, options.Get(i), pos + PADDING,
                        Color.Black);
            }
            pos.Y += 25;
        }
    }
}