Add TouchScreen Manager (#2333)

Ryujinx.Input/MouseStateSnapshot.cs

@@ -0,0 +1,34 @@
+using System.Numerics;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Input
+{
+    /// <summary>
+    /// A snapshot of a <see cref="IMouse"/>.
+    /// </summary>
+    public class MouseStateSnapshot
+    {
+        private bool[] _buttonState;
+
+        public Vector2 Position { get; }
+
+        /// <summary>
+        /// Create a new <see cref="MouseStateSnapshot"/>.
+        /// </summary>
+        /// <param name="buttonState">The keys state</param>
+        public MouseStateSnapshot(bool[] buttonState, Vector2 position)
+        {
+            _buttonState = buttonState;
+
+            Position = position;
+        }
+
+        /// <summary>
+        /// Check if a given button is pressed.
+        /// </summary>
+        /// <param name="button">The button</param>
+        /// <returns>True if the given button is pressed</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool IsPressed(MouseButton button) => _buttonState[(int)button];
+    }
+}