1 files changed, 44 insertions, 0 deletions
diff --git a/source/game/systems/EntityDebugSystem.cs b/source/game/systems/EntityDebugSystem.cs
new file mode 100644
index 0000000..9b7914a
--- /dev/null
+++ b/source/game/systems/EntityDebugSystem.cs
@@ -0,0 +1,44 @@
+using Celesteia.Graphics;
+using Celesteia.Resources;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using MonoGame.Extended;
+using MonoGame.Extended.Entities;
+using MonoGame.Extended.Entities.Systems;
+
+namespace Celesteia.Game.Systems {    
+    public class EntityDebugSystem : EntityDrawSystem
+    {
+        private readonly Camera2D _camera;
+        private readonly SpriteBatch _spriteBatch;
+
+        private ComponentMapper<Transform2> transformMapper;
+
+        private SpriteFont _font;
+
+        public EntityDebugSystem(Camera2D camera, SpriteBatch spriteBatch) : base(Aspect.All(typeof(Transform2))) {
+            _camera = camera;
+            _spriteBatch = spriteBatch;
+        }
+
+        public override void Initialize(IComponentMapperService mapperService)
+        {
+            transformMapper = mapperService.GetMapper<Transform2>();
+
+            _font = ResourceManager.Fonts.GetFontType("Hobo").Font;
+        }
+
+        public override void Draw(GameTime gameTime)
+        {
+            _spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Additive, SamplerState.PointClamp, null, null, null, _camera.GetViewMatrix());
+            
+            foreach (int entityId in ActiveEntities) {
+                Transform2 transform = transformMapper.Get(entityId);
+
+                _spriteBatch.DrawString(_font, transform.Position.ToString(), transform.Position, Color.White, 0f, new Vector2(0.5f, 0.5f), .12f, SpriteEffects.None, 0f);
+            }
+
+            _spriteBatch.End();
+        }
+    }
+}
+\ No newline at end of file