1 files changed, 65 insertions, 0 deletions
diff --git a/source/graphics/GraphicsManager.cs b/source/graphics/GraphicsManager.cs
new file mode 100644
index 0000000..2e285cf
--- /dev/null
+++ b/source/graphics/GraphicsManager.cs
@@ -0,0 +1,65 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace Celesteia.Graphics {
+    public enum FullscreenMode {
+        Windowed, Fullscreen, Borderless
+    }
+    
+    public class GraphicsManager : GameComponent {
+        private new GameInstance Game => (GameInstance) base.Game;
+        private GraphicsDeviceManager _manager;
+        public GraphicsManager(GameInstance Game) : base(Game) {
+            _manager = new GraphicsDeviceManager(Game);
+            _manager.PreferHalfPixelOffset = true;
+        }
+
+        private FullscreenMode _screenMode;
+        private bool _useBorderless = false;
+        private Rectangle _resolution = new Rectangle(0, 0, 1280, 720);
+        private Rectangle _lastBounds;
+
+        public FullscreenMode FullScreen {
+            get { return _screenMode; }
+            set { _screenMode = value; ResolveResolution(); }
+        }
+
+        public bool VSync = false;
+
+        public bool IsFullScreen {
+            get { return (_screenMode != FullscreenMode.Windowed); }
+        }
+
+        public Rectangle Resolution {
+            get { return _resolution; }
+            set { _lastBounds = _resolution = value; }
+        }
+
+        public bool MSAA = false;
+
+        private void ResolveResolution() {
+            if (!IsFullScreen) _resolution = _lastBounds;
+            else {
+                _lastBounds = Game.Window.ClientBounds;
+                _resolution = new Rectangle(0, 0, _manager.GraphicsDevice.Adapter.CurrentDisplayMode.Width, _manager.GraphicsDevice.Adapter.CurrentDisplayMode.Height);
+            }
+        }
+
+        public void Apply() {
+            Game.Window.AllowUserResizing = true;
+            _manager.PreferMultiSampling = MSAA;
+            _manager.PreferredBackBufferWidth = _resolution.Width;
+            _manager.PreferredBackBufferHeight = _resolution.Height;
+            _manager.PreferredBackBufferFormat = SurfaceFormat.Color;
+            _manager.HardwareModeSwitch = (_screenMode == FullscreenMode.Borderless);
+            _manager.IsFullScreen = IsFullScreen;
+            _manager.SynchronizeWithVerticalRetrace = VSync;
+            _manager.ApplyChanges();
+        }
+
+        public GraphicsManager ToggleFullScreen() {
+            FullScreen = IsFullScreen ? FullscreenMode.Windowed : (_useBorderless ? FullscreenMode.Borderless : FullscreenMode.Fullscreen);
+            return this;
+        }
+    }
+}
+\ No newline at end of file