trail-into-darkness/Assets/Code/SplashMainMenuUI/MainMenuView.cs

using Nox.Core;
using Nox.Game;
using Jovian.SaveSystem;
using Nox.Game.UI;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;

namespace Nox.UI {
    /// <summary>
    /// Main menu interface class which is responsible for creating the main menu view and handling the main menu events
    /// </summary>
    public class MainMenuView : IGameLifecycle, IMenuView {
        private readonly MenuPrefabsContainer menuPrefabsContainer;
        private readonly MenuGameStateData menuGameStateData;
        private readonly ISaveSystem saveSystem;
        private readonly GameDataState gameDataState;
        private readonly PartySettings partySettings;
        private readonly ICharacterSystems characterSystems;
        private MainMenuReference mainMenuReference;
        private CharacterCreationReference characterCreationReference;
        private CharacterCreationView characterCreationView;
        private AsyncOperationHandle<GameObject> charCreationHandle;

        public MainMenuView(
            MenuPrefabsContainer menuPrefabsContainer,
            MenuGameStateData menuGameStateData,
            ISaveSystem saveSystem,
            GameDataState gameDataState,
            PartySettings partySettings,
            ICharacterSystems characterSystems
            ) {
            this.menuPrefabsContainer = menuPrefabsContainer;
            this.menuGameStateData = menuGameStateData;
            this.saveSystem = saveSystem;
            this.gameDataState = gameDataState;
            this.partySettings = partySettings;
            this.characterSystems = characterSystems;
        }
        public void Initialize() {
            if(!mainMenuReference) {
                mainMenuReference = Addressables.InstantiateAsync(menuPrefabsContainer.mainMenuReference).WaitForCompletion().GetComponent<MainMenuReference>();
            }
            mainMenuReference.exitButton.onClick.AddListener(Application.Quit);
            mainMenuReference.optionsButton.onClick.AddListener(() => {/* options logic here */});
            mainMenuReference.newGameButton.onClick.AddListener(InitializeCharacterCreation);

            bool hasSave = saveSystem.HasAnySaves();
            mainMenuReference.continueButton.gameObject.SetActive(hasSave);
            if(hasSave) {
                mainMenuReference.continueButton.onClick.AddListener(() => menuGameStateData.continueGameRequest.Invoke());
            }
            Show();
        }

        public void Show() {
            mainMenuReference.gameObject.SetActive(true);
        }
        public void Hide() {
            mainMenuReference.gameObject.SetActive(false);
        }

        private void InitializeCharacterCreation() {
            charCreationHandle = Addressables.InstantiateAsync(menuPrefabsContainer.characterCreationReference);
            var result = charCreationHandle.WaitForCompletion();
            characterCreationReference =result.GetComponent<CharacterCreationReference>();
            characterCreationView = new CharacterCreationView(characterCreationReference, menuGameStateData, saveSystem, gameDataState, partySettings, characterSystems);
            characterCreationView.Initialize();
            characterCreationView.Show();
        }

        public void Tick() {
            characterCreationView?.Tick();
        }

        public void Dispose() {
            characterCreationView?.Dispose();
            Object.Destroy(characterCreationReference.gameObject);
            charCreationHandle.Release();
        }
    }
}