working on an entity component system

Source/Demos/Demo.Platformer/Entities/Systems/SpriteBatchComponentSystem.cs

@@ -0,0 +1,36 @@
+using Demo.Platformer.Entities.Components;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace Demo.Platformer.Entities.Systems
+{
+    public class SpriteBatchComponentSystem : DrawableComponentSystem
+    {
+        public SpriteBatchComponentSystem(GraphicsDevice graphicsDevice)
+        {
+            _spriteBatch = new SpriteBatch(graphicsDevice);
+        }
+
+        private readonly SpriteBatch _spriteBatch;
+
+        public override void Draw(GameTime gameTime)
+        {
+            var spriteComponents = GetComponents<SpriteComponent>();
+
+            _spriteBatch.Begin();
+
+            foreach (var sprite in spriteComponents)
+            {
+                if (sprite.IsVisible)
+                {
+                    var texture = sprite.TextureRegion.Texture;
+                    var sourceRectangle = sprite.TextureRegion.Bounds;
+
+                    _spriteBatch.Draw(texture, sprite.Position, sourceRectangle, sprite.Color * sprite.Alpha, sprite.Rotation, sprite.Origin,
+                        sprite.Scale, sprite.Effect, sprite.Depth);
+                }
+            }
+            _spriteBatch.End();
+        }
+    }
+}