Add gamepad events

Author: fwcd

lighthouse-protocol/src/input/gamepad_axis_event.rs

@@ -0,0 +1,11 @@
+use serde::{Deserialize, Serialize};
+
+/// An axis event on a gamepad.
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(tag = "control", rename_all = "camelCase")]
+pub struct GamepadAxisEvent {
+    /// The axis index.
+    index: usize,
+    /// The value of the axis (between -1.0 and 1.0, modeled after the Web Gamepad API).
+    value: f64,
+}

lighthouse-protocol/src/input/gamepad_button_event.rs

@@ -0,0 +1,13 @@
+use serde::{Deserialize, Serialize};
+
+/// A button event on a gamepad.
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(tag = "control", rename_all = "camelCase")]
+pub struct GamepadButtonEvent {
+    /// The button index.
+    index: usize,
+    /// Whether the button is pressed.
+    down: bool,
+    /// The value of the button (between 0.0 and 1.0, modeled after the Web Gamepad API).
+    value: f64,
+}

lighthouse-protocol/src/input/gamepad_control_event.rs

@@ -0,0 +1,11 @@
+use serde::{Deserialize, Serialize};
+
+use super::{GamepadAxisEvent, GamepadButtonEvent};
+
+/// A control-specific event on a gamepad.
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(tag = "control", rename_all = "camelCase")]
+pub enum GamepadControlEvent {
+    Button(GamepadButtonEvent),
+    Axis(GamepadAxisEvent),
+}

lighthouse-protocol/src/input/gamepad_event.rs

@@ -1,12 +1,14 @@
 use serde::{Deserialize, Serialize};
 
-use super::EventSource;
+use super::{EventSource, GamepadControlEvent};
 
 /// A gamepad/controller event.
-#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
 #[serde(rename_all = "camelCase")]
 pub struct GamepadEvent {
     /// The client identifier. Also unique per gamepad.
     pub source: EventSource,
-    // TODO: Add remaining
+    /// The control-specific info.
+    #[serde(flatten)]
+    pub control: GamepadControlEvent,
 }

lighthouse-protocol/src/input/mod.rs

@@ -1,4 +1,7 @@
 mod event_source;
+mod gamepad_axis_event;
+mod gamepad_button_event;
+mod gamepad_control_event;
 mod gamepad_event;
 mod input_event;
 mod key_event;
@@ -7,6 +10,9 @@ mod mouse_button;
 mod mouse_event;
 
 pub use event_source::*;
+pub use gamepad_axis_event::*;
+pub use gamepad_button_event::*;
+pub use gamepad_control_event::*;
 pub use gamepad_event::*;
 pub use input_event::*;
 pub use key_event::*;