celesteia archive, last updated april 9th 2024

Signed-off-by: hazel <hazel@hazelthats.me>

1 files changed, 59 insertions, 0 deletions

diff --git a/source/game/input/GamepadHelper.cs b/source/game/input/GamepadHelper.cs
new file mode 100644
index 0000000..dfc3175
--- /dev/null
+++ b/source/game/input/GamepadHelper.cs
@@ -0,0 +1,59 @@
+using System;
+using Celesteia.Game.Input.Definitions;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+
+namespace Celesteia.Game.Input {
+    public static class GamepadHelper {
+        private static GamePadState _prev;
+        private static GamePadState _curr;
+
+        public static void Update() {
+            _prev = _curr;
+            _curr = GamePad.GetState(0);
+        }
+
+        public static bool AnyButton() {
+            foreach (Buttons b in Enum.GetValues<Buttons>())
+                if (IsDown(b)) return true;
+
+            return false;
+        }
+
+        // Was true, now true.
+        public static bool Held(Buttons buttons) => _prev.IsButtonDown(buttons) && _curr.IsButtonDown(buttons);
+        // Is true.
+        public static bool IsDown(Buttons buttons) => _curr.IsButtonDown(buttons);
+        // Was false, now true.
+        public static bool Pressed(Buttons buttons) => !_prev.IsButtonDown(buttons) && _curr.IsButtonDown(buttons);
+        // Was true, now false.
+        public static bool Released(Buttons buttons) => _prev.IsButtonDown(buttons) && !_curr.IsButtonDown(buttons);
+
+        public static bool PollButtons(Buttons buttons, InputPollType type) => type switch {
+            InputPollType.Held => Held(buttons),
+            InputPollType.IsDown => IsDown(buttons),
+            InputPollType.Pressed => Pressed(buttons),
+            InputPollType.Released => Released(buttons),
+            _ => false
+        };
+
+        public static float PollSensor(GamePadSensor sensor) => sensor switch {
+            GamePadSensor.LeftThumbStickX => _curr.ThumbSticks.Left.X,
+            GamePadSensor.LeftThumbStickY => _curr.ThumbSticks.Left.Y,
+            GamePadSensor.LeftTrigger => _curr.Triggers.Left,
+            GamePadSensor.RightThumbStickX => _curr.ThumbSticks.Right.X,
+            GamePadSensor.RightThumbStickY => _curr.ThumbSticks.Right.Y,
+            GamePadSensor.RightTrigger => _curr.Triggers.Right,
+            _ => 0f
+        };
+    }
+
+    public enum GamePadSensor {
+        LeftThumbStickX,
+        LeftThumbStickY,
+        LeftTrigger,
+        RightThumbStickX,
+        RightThumbStickY,
+        RightTrigger
+    }
+}
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