rhythmbullet/RhythmBullet/Zer01HD/Utilities/UI/Screen.cs

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RhythmBullet.Zer01HD.Utilities.UI
{
    public enum ScreenState { EnterTransition, ExitTransition, Normal }

    public class Screen
    {
        ScreenState state;

        public Screen(bool useEnterTransition = false)
        {
            state = useEnterTransition ? ScreenState.EnterTransition : ScreenState.Normal;
        }

        public virtual void Update(GameTime gameTime)
        {

        }

        public virtual void Draw(SpriteBatch spriteBatch)
        {

        }

        public virtual void EnteringTransition(double delta, bool assetsLoaded, ref Color backgroundColor)
        {

        }

        public virtual Screen ExitingTransition(double delta, bool assetsLoaded, ref Color backgroundColor)
        {
            return null;
        }

        public virtual void Show()
        {

        }

        public virtual void Hide()
        {

        }

        public virtual void AssetLoadStateChange(bool state)
        {

        }

        public ScreenState State
        {
            get
            {
                return state;
            }
        }

        public void DoneTransition()
        {
            state = ScreenState.Normal;
        }

        public void StartExitTransition()
        {
            state = ScreenState.ExitTransition;
        }
    }
}