screens update normal logic during transition now; added comments; book now has an initiate function; image has more functions; minor improvements on module system;

RhythmBullet/Zer01HD/Utilities/ScreenSystem/Screen.cs

@@ -18,7 +18,7 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
         public Color BackgroundColor;
         public GraphicsDevice GraphicsDevice { get; private set; }
         public Screen NextScreen { get; set; }
-        public Rectangle ScreenSize { get; protected set; }
+        public Rectangle ScreenSize { get; private set; }
         public bool Initiated { get; private set; }
         public Camera2D Camera { get; private set; }
         public Screen(bool useEnterTransition = false)
@@ -27,7 +27,13 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
             Transitions = new List<ITransition>();
         }
 
-        public void Initiate(GraphicsDevice graphicsDevice, Rectangle screenSize, Camera2D camera)
+        /// <summary>
+        /// Called only once after initialization to give required parameters.
+        /// </summary>
+        /// <param name="graphicsDevice"></param>
+        /// <param name="screenSize"></param>
+        /// <param name="camera"></param>
+        public virtual void Initiate(GraphicsDevice graphicsDevice, Rectangle screenSize, Camera2D camera)
         {
             this.Camera = camera;
             this.ScreenSize = screenSize;
@@ -100,6 +106,9 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
             return complete;
         }
 
+        /// <summary>
+        /// Called when the screen is shown.
+        /// </summary>
         public virtual void Show()
         {
             foreach (ITransition transition in Transitions)

RhythmBullet/Zer01HD/Utilities/ScreenSystem/ScreenManager.cs

@@ -87,10 +87,8 @@ namespace RhythmBullet.Zer01HD.Utilities.ScreenSystem
                         }
                     }
                     break;
-                case ScreenState.Normal:
-                    Screen.Update(gameTime);
-                    break;
             }
+            Screen.Update(gameTime);
         }
 
         public void DrawCurrentScreen(SpriteBatch spriteBatch)