07.10.2020

+ Parent, Name and Flags to objects.

~ Improved Matrix calculations

SMCode/SM.Base/Drawing/DrawingBasis.cs

@@ -1,4 +1,5 @@
-using SM.Base.Contexts;
+using System.Collections.Generic;
+using SM.Base.Contexts;
 using SM.Base.Objects.Static;
 using SM.OGL.Mesh;
 
@@ -16,7 +17,16 @@ namespace SM.Base.Scene
         /// <summary>
         /// The mesh it should use.
         /// </summary>
-        protected GenericMesh _mesh = Defaults.DefaultMesh;
+        protected GenericMesh _mesh = SMRenderer.DefaultMesh;
+
+        /// <inheritdoc />
+        public object Parent { get; set; }
+
+        /// <inheritdoc />
+        public string Name { get; set; } = "Unnamed draw object";
+
+        /// <inheritdoc />
+        public ICollection<string> Flags { get; set; }
 
         /// <inheritdoc />
         public virtual void Update(UpdateContext context)
@@ -33,6 +43,18 @@ namespace SM.Base.Scene
             DrawContext(ref context);
         }
 
+        /// <inheritdoc />
+        public virtual void OnAdded(object sender)
+        {
+            
+        }
+
+        /// <inheritdoc />
+        public virtual void OnRemoved(object sender)
+        {
+
+        }
+
         /// <summary>
         /// Draws the context, that was given to them.
         /// </summary>

SMCode/SM.Base/Drawing/GenericTransformation.cs

@@ -7,10 +7,34 @@ namespace SM.Base.Scene
     /// </summary>
     public abstract class GenericTransformation
     {
+        /// <summary>
+        /// Contains the current model matrix.
+        /// </summary>
+        protected Matrix4 _modelMatrix { get; private set; }
+        /// <summary>
+        /// Contains the last frame the matrix was calculated.
+        /// </summary>
+        protected ulong _lastFrame { get; private set; }
+
+        /// <summary>
+        /// Returns the current model matrix.
+        /// </summary>
+        /// <returns></returns>
+        public Matrix4 GetMatrix()
+        {
+            if (_lastFrame != SMRenderer.CurrentFrame)
+            {
+                _lastFrame = SMRenderer.CurrentFrame;
+                _modelMatrix = RequestMatrix();
+            }
+
+            return _modelMatrix;
+        }
+
         /// <summary>
         /// Calculates the current matrix.
         /// </summary>
         /// <returns>The current matrix.</returns>
-        public abstract Matrix4 GetMatrix();
+        protected abstract Matrix4 RequestMatrix();
     }
 }