07.10.2020

+ Parent, Name and Flags to objects.

~ Improved Matrix calculations

SMCode/SM.Base/Scene/GenericScene.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using OpenTK;
 using SM.Base.Contexts;
 
@@ -9,10 +10,29 @@ namespace SM.Base.Scene
     /// </summary>
     public abstract class GenericScene
     {
+        private IBackgroundItem _background;
+
         /// <summary>
         /// This contains the background.
         /// </summary>
-        protected IBackgroundItem _background;
+        protected IBackgroundItem _Background
+        {
+            get => _background;
+            set
+            {
+                value.Parent = this;
+                _background = value;
+            }
+        }
+
+        /// <summary>
+        /// Updates this scene.
+        /// </summary>
+        /// <param name="context"></param>
+        public virtual void Update(UpdateContext context)
+        {
+
+        }
 
         /// <summary>
         /// Draws this scene.
@@ -48,6 +68,9 @@ namespace SM.Base.Scene
         where TCollection : GenericItemCollection<TItem>, new()
         where TItem : IShowItem
     {
+        private TCollection _objectCollection = new TCollection();
+        private TCollection _hud = new TCollection();
+
         /// <summary>
         /// The active camera, that is used if the context doesn't force the viewport camera.
         /// <para>If none set, it automaticly uses the viewport camera.</para>
@@ -65,16 +88,42 @@ namespace SM.Base.Scene
         /// <summary>
         /// Objects inside the scene.
         /// </summary>
-        public TCollection Objects { get; set; } = new TCollection();
+        public TCollection Objects
+        {
+            get => _objectCollection;
+            set
+            {
+                value.Parent = this;
+                _objectCollection = value;
+            }
+        }
+
         /// <summary>
         /// This defines the HUD objects.
         /// </summary>
-        public TCollection HUD { get; } = new TCollection();
+        public TCollection HUD
+        {
+            get => _hud;
+            set
+            {
+                value.Parent = this;
+                _hud = value;
+            }
+        }
         /// <summary>
         /// A collection for cameras to switch easier to different cameras.
         /// </summary>
         public Dictionary<string, TCamera> Cameras = new Dictionary<string, TCamera>();
 
+
+        /// <inheritdoc />
+        public override void Update(UpdateContext context)
+        {
+            _Background?.Update(context);
+            _objectCollection.Update(context);
+            _hud.Update(context);
+        }
+
         /// <inheritdoc />
         public override void Draw(DrawContext context)
         {
@@ -82,12 +131,12 @@ namespace SM.Base.Scene
 
             DrawContext backgroundDrawContext = context;
             backgroundDrawContext.View = BackgroundCamera.CalculateViewMatrix();
-            _background?.Draw(backgroundDrawContext);
+            _Background?.Draw(backgroundDrawContext);
 
-            Objects.Draw(context);
+            _objectCollection.Draw(context);
 
             context.View = HUDCamera.CalculateViewMatrix();
-            HUD.Draw(context);
+            _hud.Draw(context);
         }
     }
 }