Frame/Assets/Scripts/Procedure/LoadingGameSceneProcedure.cs

using Cysharp.Threading.Tasks;

namespace Game
{
    [Procedure(ProcedureType.LoadingGameSceneProcedure)]
    class LoadingGameSceneProcedure : ProcedureBase
    {
        public override void OnEnter()
        {
            base.OnEnter();

            UniTask.Create(async () =>
            {
                await  Game.resourceManager.LoadSceneAsync(SceneType.Game.ToString());
                EventManager.Instance.FireNow(this,new LoadingGameSceneFinishEventArgs(true));
                Game.procedureManager.ChangeProcedure(ProcedureType.GameSceneLogicProcedure);
            }).Forget();
        }

        public override void OnLeave()
        {
            base.OnLeave();
            Game.uiManager.CreateUI(UIType.GameSceneMainUI);
            Game.uiManager.ShowUI(UIType.GameSceneMainUI);
        }
    }
}