Pong/Assets/Scripts/Menu/RoomUI.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Global;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UIElements;

namespace Menu {
	public class RoomUI {
		public VisualElement Root { get; set; }

		private DropdownField difficultyField;
		
		public void Show() {
			difficultyField = Root.Q<DropdownField>("Difficulty");
			
			difficultyField.choices = Enum.GetNames(typeof(Difficulty)).ToList();
			difficultyField.index = 0;

			SliderInt slider = Root.Q<SliderInt>("CustomWinScore");
			slider.value = 20;
			slider.style.visibility = Visibility.Hidden;

			Toggle toggle = Root.Q<Toggle>("WinScore");
			toggle.value = false;

			void UpdateCustomWinScore() {
				slider.style.visibility = toggle.value ? Visibility.Visible : Visibility.Hidden;
			}

			toggle.RegisterCallback((ClickEvent _) => { UpdateCustomWinScore(); });
			UpdateCustomWinScore();
			
			Root.style.display = DisplayStyle.Flex;
		}

		public void Hide() {
			Root.style.display = DisplayStyle.None;
		}

		private void BackToMainMenu() {
			Hide();
			MainUI.Instance.mainMenuUI.ResetAndShow();
		}
	}
}