Allow resizable screen

Capy64/Capy64.cs

@@ -33,7 +33,7 @@ public class Capy64 : Game, IGame
     public float Scale { get; set; } = 2f;
     public Drawing Drawing { get; private set; }
     public LuaState LuaRuntime { get; set; }
-    public EventEmitter EventEmitter { get; private set; }
+    public Eventing.EventEmitter EventEmitter { get; private set; }
     public DiscordIntegration Discord { get; set; }
 
     public Borders Borders = new()
@@ -71,11 +71,14 @@ public class Capy64 : Game, IGame
         _serviceProvider = serviceProvider;
     }
 
-    public void UpdateSize()
+    public void UpdateSize(bool resize = true)
+    {
+        if (resize)
         {
             _graphics.PreferredBackBufferWidth = (int)(Width * Scale) + Borders.Left + Borders.Right;
             _graphics.PreferredBackBufferHeight = (int)(Height * Scale) + Borders.Top + Borders.Right;
             _graphics.ApplyChanges();
+        }
 
         renderTarget = new RenderTarget2D(
             GraphicsDevice,
@@ -96,17 +99,27 @@ public class Capy64 : Game, IGame
     private void OnWindowSizeChange(object sender, EventArgs e)
     {
         var bounds = Window.ClientBounds;
-        Console.WriteLine(bounds);
-
-        if (Window.IsMaximized())
-        {
-
-        }
 
         Width = (int)(bounds.Width / Scale);
         Height = (int)(bounds.Height / Scale);
 
-        UpdateSize();
+        if (Window.IsMaximized())
+        {
+            var vertical = bounds.Height - Height * Scale;
+            var horizontal = bounds.Width - Width * Scale;
+
+            Borders.Top = (int)Math.Floor(vertical / 2d);
+            Borders.Bottom = (int)Math.Ceiling(vertical / 2d);
+
+            Borders.Left = (int)Math.Floor(horizontal / 2d);
+            Borders.Right = (int)Math.Ceiling(horizontal / 2d);
+        }
+        else
+        {
+            Borders = new Borders();
+        }
+
+        UpdateSize(false);
     }
 
     protected override void Initialize()
@@ -115,7 +128,7 @@ public class Capy64 : Game, IGame
 
         UpdateSize();
 
-        Window.AllowUserResizing = false;
+        Window.AllowUserResizing = true;
         Window.ClientSizeChanged += OnWindowSizeChange;
 
         NativePlugins = GetNativePlugins();

Capy64/IGame.cs

@@ -17,13 +17,13 @@ public interface IGame
     GameWindow Window { get; }
     Drawing Drawing { get; }
     LuaState LuaRuntime { get; set; }
-    EventEmitter EventEmitter { get; }
+    Eventing.EventEmitter EventEmitter { get; }
     void ConfigureServices(IServiceProvider serviceProvider);
 
     int Width { get; set; }
     int Height { get; set; }
     float Scale { get; set; }
-    void UpdateSize();
+    void UpdateSize(bool resize = true);
 
     event EventHandler<EventArgs> Exiting;
     void Run();

Capy64/Runtime/Libraries/Term.cs

@@ -56,6 +56,7 @@ internal class Term : IPlugin
         UpdateSize();
 
         _game.EventEmitter.OnOverlay += OnOverlay;
+        _game.EventEmitter.OnScreenSizeChange += OnScreenSizeChange;
     }
 
     private LuaRegister[] TermLib = new LuaRegister[]
@@ -160,12 +161,16 @@ internal class Term : IPlugin
         return 1;
     }
 
-    public static void UpdateSize()
+    public static void UpdateSize(bool resize = true)
+    {
+        Array.Resize(ref CharGrid, Width * Height);
+
+        if (resize)
         {
             _game.Width = RealWidth;
             _game.Height = RealHeight;
             _game.UpdateSize();
-        CharGrid = new Char?[Width * Height];
+        }
     }
 
     public static Vector2 ToRealPos(Vector2 termPos)
@@ -252,6 +257,14 @@ internal class Term : IPlugin
         UpdateCursor();
     }
 
+    private void OnScreenSizeChange(object sender, EventArgs e)
+    {
+        Width = _game.Width / CharWidth;
+        Height = _game.Height / CharHeight;
+
+        UpdateSize(false);
+    }
+
     private static void UpdateCursor()
     {
         if (!enableCursor)

Capy64/Runtime/RuntimeManager.cs

@@ -16,7 +16,7 @@ namespace Capy64.Runtime;
 internal class RuntimeManager : IPlugin
 {
     private LuaState luaState;
-    private InputEmitter emitter;
+    private EventEmitter emitter;
     private int step = 0;
 
     private static bool close = false;