From 18868128e18d38b706e7df14e8e683e1a9739c17 Mon Sep 17 00:00:00 2001
From: Melodi <62381002+Melodi17@users.noreply.github.com>
Date: Tue, 17 Mar 2026 20:49:22 +1000
Subject: chore: Initial commit

---
 Emulator/DisplayEngine.cs | 116 ----------------------------------------------
 1 file changed, 116 deletions(-)
 delete mode 100644 Emulator/DisplayEngine.cs

(limited to 'Emulator/DisplayEngine.cs')

diff --git a/Emulator/DisplayEngine.cs b/Emulator/DisplayEngine.cs
deleted file mode 100644
index 7aa8e2e..0000000
--- a/Emulator/DisplayEngine.cs
+++ /dev/null
@@ -1,116 +0,0 @@
-namespace Q1.Emulator;
-
-using System;
-using System.Linq;
-using Chip;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-using Microsoft.Xna.Framework.Input;
-
-public class DisplayEngine : Game
-{
-    private readonly HIDDevice _hid;
-    private readonly Action<Texture2D> _onScreenTextureLoaded;
-    private readonly Action _requestUpdate;
-    private readonly Func<bool> _checkAbort;
-    private GraphicsDeviceManager _graphics;
-    private SpriteBatch _spriteBatch;
-
-    private Texture2D _texture;
-    private Keys[]? _oldKeys = null;
-    public int Scaling { get; }
-    public int Width { get; }
-    public int Height { get; }
-
-    public DisplayEngine(
-        int width,
-        int height,
-        int scaling,
-        HIDDevice hid,
-        Action<Texture2D> onScreenTextureLoaded,
-        Action requestUpdate,
-        Func<bool> checkAbort)
-    {
-        this.Width = width;
-        this.Height = height;
-        this.Scaling = scaling;
-        this._hid = hid;
-        this._onScreenTextureLoaded = onScreenTextureLoaded;
-        this._requestUpdate = requestUpdate;
-        this._checkAbort = checkAbort;
-
-        this._graphics = new GraphicsDeviceManager(this);
-        this.Content.RootDirectory = "Content";
-        this.IsMouseVisible = true;
-    }
-
-    protected override void Initialize()
-    {
-        this._texture = new Texture2D(this.GraphicsDevice, this.Width, this.Height);
-        this._onScreenTextureLoaded?.Invoke(this._texture);
-        // set window size
-        this._graphics.PreferredBackBufferWidth = this.Width   * this.Scaling;
-        this._graphics.PreferredBackBufferHeight = this.Height * this.Scaling;
-        this._graphics.ApplyChanges();
-
-        base.Initialize();
-    }
-
-    protected override void LoadContent()
-    {
-        this._spriteBatch = new SpriteBatch(this.GraphicsDevice);
-    }
-
-    protected override void Update(GameTime gameTime)
-    {
-        var keyboard = Keyboard.GetState();
-        var mouse = Mouse.GetState();
-
-        u16 mousePos = (u16) (((mouse.Y / this.Scaling) * this.Width) + (mouse.X / this.Scaling));
-        this._hid.SetMouse(
-            mousePos,
-            mouse.LeftButton   == ButtonState.Pressed,
-            mouse.RightButton  == ButtonState.Pressed,
-            mouse.MiddleButton == ButtonState.Pressed);
-
-        Keys[] keys = keyboard.GetPressedKeys();
-        foreach (Keys newKey in keys.Except(this._oldKeys ?? []))
-        {
-            this._hid.SetKeyboard((u8) newKey, true);
-        }
-        
-        foreach (Keys oldKey in this._oldKeys?.Except(keys) ?? [])
-        {
-            this._hid.SetKeyboard((u8) oldKey, false);
-        }
-
-        this._oldKeys = keys;
-
-        if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed
-            || keyboard.IsKeyDown(Keys.Escape)
-            || this._checkAbort())
-            this.Exit();
-
-        base.Update(gameTime);
-    }
-
-    protected override void Draw(GameTime gameTime)
-    {
-        // GraphicsDevice.Clear(Color.CornflowerBlue);
-
-        this._requestUpdate();
-
-        this._spriteBatch.Begin(
-            SpriteSortMode.Deferred, BlendState.NonPremultiplied, SamplerState.PointClamp,
-            DepthStencilState.None, RasterizerState.CullNone);
-        // Draw the texture to the screen
-        this._spriteBatch.Draw(
-            this._texture,
-            new Rectangle(0, 0, this.Width * this.Scaling, this.Height * this.Scaling),
-            Color.White);
-
-        this._spriteBatch.End();
-
-        base.Draw(gameTime);
-    }
-}
\ No newline at end of file
-- 
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