1 files changed, 48 insertions, 0 deletions
diff --git a/MonoGameLibrary/Core.cs b/MonoGameLibrary/Core.cs
new file mode 100644
index 0000000..9e4c9e3
--- /dev/null
+++ b/MonoGameLibrary/Core.cs
@@ -0,0 +1,48 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace MonoGameLibrary;
+
+public class Core : Game {
+    internal static Core s_instance;
+
+    public static Core Instance => s_instance;
+
+    public static GraphicsDeviceManager Graphics { get; set; }
+    public static new GraphicsDevice GraphicsDevice { get; private set; }
+    public static SpriteBatch SpriteBatch { get; private set; }
+    public static new ContentManager Content { get; private set; }
+
+    public Core(string title, int width, int height, bool fullscreen) {
+        if (s_instance != null) {
+            throw new InvalidOperationException($"Only a single Core instance can be created");
+        }
+
+        s_instance = this;
+
+        Graphics = new GraphicsDeviceManager(this);
+
+        Graphics.PreferredBackBufferWidth = width;
+        Graphics.PreferredBackBufferHeight = height;
+        Graphics.IsFullScreen = fullscreen;
+
+        Graphics.ApplyChanges();
+
+        Window.Title = title;
+
+        Content = base.Content;
+
+        Content.RootDirectory = "Content";
+
+        IsMouseVisible = true;
+    }
+
+    protected override void Initialize() {
+        base.Initialize();
+
+        GraphicsDevice = base.GraphicsDevice;
+        SpriteBatch = new SpriteBatch(GraphicsDevice);
+    }
+}