analog support

client/src/main.rs

@@ -2,7 +2,7 @@ use minifb::{Key, ScaleMode, Window, WindowOptions, Scale};
 extern crate pirates;
 use pirates::{WIDTH, HEIGHT};
 #[cfg(feature = "gilrs")]
-use gilrs::{Gilrs, Button, Event};
+use gilrs::{Axis, Gilrs, Button};
 
 fn main() {
     #[cfg(feature = "gilrs")]
@@ -33,6 +33,14 @@ fn main() {
         }
     }
 
+    fn analog_input(chan: u8, val: i8) {
+        unsafe {
+            pirates::KEYCODE[0] = chan;
+            pirates::KEYCODE[1] = (val + 127) as u8;
+            pirates::keyboard_input();
+        }
+    }
+
     #[cfg(feature = "gamepad")]
     let mut gamepad_handle = None;
 
@@ -50,13 +58,20 @@ fn main() {
         }
 
         #[cfg(feature = "gamepad")]
-        if let Some(event) = gilrs.next_event() {
+        while let Some(event) = gilrs.next_event() {
             gamepad_handle = Some(event.id);
         println!("gampad");
         }
 
         #[cfg(feature = "gamepad")]
         if let Some(gamepad) = gamepad_handle.map(|h| gilrs.gamepad(h)) {
+            let val = gamepad.state()
+                       .axis_data(gamepad.axis_code(Axis::LeftStickX).unwrap());
+            if val.is_some() {
+               let val = dbg!(val.unwrap().value() * 127.0) as i8;
+               dbg!(val);
+                analog_input(1, val);
+            }
             if gamepad.is_pressed(Button::DPadLeft) {
                 keyboard_input(65)
             }

pirates/src/lib.rs

@@ -75,8 +75,7 @@ static BOAT: Mutex<Boat> = Mutex::new(Boat { x: 0.0, y: 0.0, theta: 0.0, vel: 0.
 
 #[no_mangle]
 pub unsafe extern fn keyboard_input() {
-    let keycode = KEYCODE[0];
-    *LAST_KEY.lock() = Some([keycode as u32, 0]);
+    *LAST_KEY.lock() = Some([KEYCODE[0] as u32, KEYCODE[1] as u32]);
 }
 
 #[no_mangle]
@@ -112,6 +111,7 @@ fn render_frame(buffer: &mut [u32; WIDTH*HEIGHT]) {
             173 => camera[2] *= 1.1, // -
             65 => boat.theta -= 10.0, // A
             68 => boat.theta += 10.0, // D
+            1 => boat.theta += (key[1] as f32 - 127.0) * 0.031, // analog rudder
             _ => {}
         }
     }