refactor and better screen mechanism (probably)

RhythmBullet/Zer01HD/Utilities/ScreenSystem/LoadingScreen.cs

@@ -1,15 +1,17 @@
 
 using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
 using Microsoft.Xna.Framework.Graphics;
 using System;
 using System.Diagnostics;
 
 namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
 {
-    class LoadingScreen : Screen, ITransition
+    public class LoadingScreen : Screen, ITransition
     {
         private const float ENTER_TIME = 2f;
         private const float EXIT_TIME = 1f;
+        Game game;
         readonly Texture2D texture;
         Color color;
         Rectangle textureBounds;
@@ -22,12 +24,14 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
         readonly bool rotate;
         Vector2 origin;
 
-        public LoadingScreen(Texture2D texture, float proportion, bool rotate = false) : base(true)
+        public LoadingScreen(Game game, Texture2D screenImage, float proportion, bool rotate = false) : base(true)
         {
-            this.texture = texture;
+            this.game = game;
+            this.texture = screenImage;
             this.proportion = proportion;
             this.rotate = rotate;
             Transitions.Add(this);
+            game.IsMouseVisible = false;
         }
 
         public void InitiateTransition(Rectangle dimensions)

RhythmBullet/Zer01HD/Utilities/ScreenSystem/ScreenManager.cs

@@ -10,16 +10,17 @@ using System.Threading.Tasks;
 
 namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
 {
-    public delegate void RequireNextScreen(Screen screen);
+    public delegate void FirstScreenChange(Screen screen);
 
     public class ScreenManager : IDisposable
     {
-        public event RequireNextScreen RequireNextScreenEvent;
+        public event FirstScreenChange RequireNextScreenEvent;
         private GraphicsDeviceManager graphics;
         private Screen previousScreen;
         private RenderTarget2D previousScreenRenderTarget;
         private Screen currentScreen;
         private Camera2D camera;
+        private bool firstScreenChangeComplete;
         public Screen Screen
         {
             get
@@ -42,7 +43,6 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
                 graphics.GraphicsDevice.Clear(Color.Black);
 
                 Debug.WriteLine("Showing " + value.GetType().Name);
-                Debug.WriteLine("Previous screen is " + previousScreen?.GetType().Name);
                 Screen.Show();
             }
         }
@@ -67,9 +67,10 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
                 case ScreenState.ExitTransition:
                     if (Screen.UseRenderTargetForExitTransition || Screen.UpdateTransition(gameTime.ElapsedGameTime.TotalSeconds, assetsDone))
                     {
-                        if (Screen.NextScreen == null)
+                        if (!firstScreenChangeComplete)
                         {
-                            OnRequireNextScreen(Screen);
+                            firstScreenChangeComplete = true;
+                            OnFirstScreenChange(Screen);
                         }
                         if (Screen.NextScreen != null)
                         {
@@ -109,10 +110,10 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
             spriteBatch.End();
         }
 
-        public void Resize(Texture2D loadingScreenSymbol)
+        public void Resize(LoadingScreen loadingScreen)
         {
             Screen.AssetLoadStateChange(true);
-            Screen = new LoadingScreen(loadingScreenSymbol, 0.3f, true);
+            Screen = loadingScreen;
             previousScreenRenderTarget.Dispose();
             previousScreenRenderTarget = null;
         }
@@ -122,7 +123,7 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
             Screen.AssetLoadStateChange(false);
         }
 
-        public void OnRequireNextScreen(Screen screen)
+        public void OnFirstScreenChange(Screen screen)
         {
             RequireNextScreenEvent?.Invoke(screen);
         }