1 files changed, 66 insertions, 0 deletions
diff --git a/source/ui/guis/DebugGUI.cs b/source/ui/guis/DebugGUI.cs
new file mode 100644
index 0000000..7ee44ae
--- /dev/null
+++ b/source/ui/guis/DebugGUI.cs
@@ -0,0 +1,66 @@
+using System.Diagnostics;
+using Celesteia.Resources;
+using Celesteia.UI;
+using Celesteia.UI.Elements;
+using Celesteia.UI.Properties;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
+using MonoGame.Extended;
+
+namespace Celesteia.GUIs {
+    public class DebugGUI : GUI {
+        private new GameInstance Game => (GameInstance) base.Game;
+        public DebugGUI(GameInstance game) : base(game, Rect.ScreenFull) {}
+
+        private Label updateLabel;
+        private Label drawLabel;
+
+        public override void LoadContent(ContentManager Content) {
+            float fontSize = 12f;
+
+            Label template = new Label(new Rect(
+                AbsoluteUnit.WithValue(10),
+                AbsoluteUnit.WithValue(10),
+                AbsoluteUnit.WithValue(200),
+                AbsoluteUnit.WithValue(50)
+            ))
+                .SetTextProperties(new TextProperties()
+                    .SetColor(Color.White)
+                    .SetFont(ResourceManager.Fonts.GetFontType("Hobo"))
+                    .SetFontSize(fontSize)
+                    .SetTextAlignment(TextAlignment.Top | TextAlignment.Left)
+                );
+            float textSpacing = 4f;
+            float textRow(int number) => 10f + number * (fontSize + textSpacing);
+
+            Root.AddChild(template.Clone().SetNewRect(template.GetRect().SetY(AbsoluteUnit.WithValue(textRow(0)))).SetText($"Celesteia {GameInstance.Version}"));
+            Root.AddChild(updateLabel = template.Clone().SetNewRect(template.GetRect().SetY(AbsoluteUnit.WithValue(textRow(1)))).SetText(""));
+            Root.AddChild(drawLabel = template.Clone().SetNewRect(template.GetRect().SetY(AbsoluteUnit.WithValue(textRow(2)))).SetText(""));
+            
+            Debug.WriteLine("Loaded Debug GUI.");
+        }
+
+        private double updateTime;
+        private double lastUpdate;
+        public override void Update(GameTime gameTime, out bool clickedAnything) {
+            clickedAnything = false;
+
+            updateTime = gameTime.TotalGameTime.TotalMilliseconds - lastUpdate;
+            lastUpdate = gameTime.TotalGameTime.TotalMilliseconds;
+
+            updateLabel.SetText($"Update: {updateTime.ToString("0.00")}ms");
+        }
+        
+        private double drawTime;
+        private double lastDraw;
+        public override void Draw(GameTime gameTime)
+        {
+            drawTime = gameTime.TotalGameTime.TotalMilliseconds - lastDraw;
+            lastDraw = gameTime.TotalGameTime.TotalMilliseconds;
+
+            drawLabel.SetText($"Draw: {drawTime.ToString("0.00")}ms");
+
+            if (GameInstance.DebugMode) base.Draw(gameTime);
+        }
+    }
+}
+\ No newline at end of file