1 files changed, 70 insertions, 0 deletions
diff --git a/src/Ryujinx.Input/GamepadStateSnapshot.cs b/src/Ryujinx.Input/GamepadStateSnapshot.cs
new file mode 100644
index 00000000..cf3e3e28
--- /dev/null
+++ b/src/Ryujinx.Input/GamepadStateSnapshot.cs
@@ -0,0 +1,70 @@
+using Ryujinx.Common.Memory;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Input
+{
+    /// <summary>
+    /// A snapshot of a <see cref="IGamepad"/>.
+    /// </summary>
+    public struct GamepadStateSnapshot
+    {
+        // NOTE: Update Array size if JoystickInputId is changed.
+        private Array3<Array2<float>> _joysticksState;
+        // NOTE: Update Array size if GamepadInputId is changed.
+        private Array28<bool> _buttonsState;
+
+        /// <summary>
+        /// Create a new instance of <see cref="GamepadStateSnapshot"/>.
+        /// </summary>
+        /// <param name="joysticksState">The joysticks state</param>
+        /// <param name="buttonsState">The buttons state</param>
+        public GamepadStateSnapshot(Array3<Array2<float>> joysticksState, Array28<bool> buttonsState)
+        {
+            _joysticksState = joysticksState;
+            _buttonsState = buttonsState;
+        }
+
+        /// <summary>
+        /// Check if a given input button is pressed.
+        /// </summary>
+        /// <param name="inputId">The button id</param>
+        /// <returns>True if the given button is pressed</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool IsPressed(GamepadButtonInputId inputId) => _buttonsState[(int)inputId];
+
+
+        /// <summary>
+        /// Set the state of a given button.
+        /// </summary>
+        /// <param name="inputId">The button id</param>
+        /// <param name="value">The state to assign for the given button.</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetPressed(GamepadButtonInputId inputId, bool value) => _buttonsState[(int)inputId] = value;
+
+        /// <summary>
+        /// Get the values of a given input joystick.
+        /// </summary>
+        /// <param name="inputId">The stick id</param>
+        /// <returns>The values of the given input joystick</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public (float, float) GetStick(StickInputId inputId)
+        {
+            var result = _joysticksState[(int)inputId];
+
+            return (result[0], result[1]);
+        }
+
+        /// <summary>
+        /// Set the values of a given input joystick.
+        /// </summary>
+        /// <param name="inputId">The stick id</param>
+        /// <param name="x">The x axis value</param>
+        /// <param name="y">The y axis value</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStick(StickInputId inputId, float x, float y)
+        {
+            _joysticksState[(int)inputId][0] = x;
+            _joysticksState[(int)inputId][1] = y;
+        }
+    }
+}