-use std::collections::HashMap;
-use std::cell::RefCell;
-use sdl2::haptic::Haptic;
+use sdl2::JoystickSubsystem;
+use common::Nanoseconds;
+use common::Radians;
+use common::Point2D;
use sdl2::HapticSubsystem;
-pub use sdl2::GameControllerSubsystem;
use sdl2::event::Event;
-use sdl2::controller::GameController;
+use sdl2::haptic::Haptic;
+use sdl2::joystick::Joystick;
+use std::cell::RefCell;
+use std::collections::HashMap;
use std::rc::Rc;
-//#[derive(Debug)]
-pub struct ControllerManager {
- pub ctrl: GameControllerSubsystem,
- haptic: Rc<HapticSubsystem>,
- pub controllers: HashMap<u32, Rc<RefCell<Controller>>>,
+#[derive(Debug, Default)]
+pub struct Button {
+ pub time_pressed: Nanoseconds,
+ pub time_released: Nanoseconds,
+ pub is_pressed: bool,
+ pub was_pressed: bool,
+ pub toggle: bool,
+}
+
+impl Button {
+ fn update(&mut self, device: &Joystick, dt: Nanoseconds, btn: u8) {
+ self.was_pressed = self.is_pressed;
+ self.is_pressed = match device.button(btn as u32) {
+ Ok(true) => {
+ if !self.was_pressed {
+ self.time_pressed = 0;
+ self.toggle = !self.toggle;
+ }
+ self.time_pressed += dt;
+ true
+ }
+ Ok(false) => {
+ if self.was_pressed {
+ self.time_released = 0;
+ }
+ self.time_released += dt;
+ false
+ }
+ Err(_) => { panic!("invalid button {}", btn) }
+ }
+ }
+}
+
+#[derive(Debug, Default)]
+pub struct Axis {
+ pub val: f32,
+}
+
+impl Axis {
+ #[allow(dead_code)]
+ fn update(&mut self, device: &Joystick, _dt: Nanoseconds, axis: u8) {
+ self.val = match device.axis(axis as u32) {
+ Ok(val) => val as f32 / 32768.0,
+ Err(_) => panic!("invalid axis {}", axis),
+ }
+ }
+}
+
+#[derive(Debug, Default)]
+pub struct Stick {
+ pub x: f32,
+ pub y: f32,
+ pub a: Radians,
+ pub len: f32,
+}
+
+impl Stick {
+ fn update(&mut self, device: &Joystick, _dt: Nanoseconds, x_axis: u8, y_axis: u8) {
+ self.x = match device.axis(x_axis as u32) {
+ Ok(val) => val as f32 / 32768.0,
+ Err(_) => panic!("invalid x axis {}", x_axis),
+ };
+ self.y = match device.axis(y_axis as u32) {
+ Ok(val) => val as f32 / 32768.0,
+ Err(_) => panic!("invalid y axis {}", y_axis),
+ };
+ self.a = Radians(self.y.atan2(self.x) as f64);
+ self.len = {
+ let x = (self.x / self.y).abs().min(1.0);
+ let y = (self.y / self.x).abs().min(1.0);
+ (self.x.powi(2) + self.y.powi(2)).sqrt() / (x.powi(2) + y.powi(2)).sqrt()
+ }
+ }
+
+ #[inline(always)] #[allow(dead_code)] fn up(&self) -> bool { self.y > 0.99 }
+ #[inline(always)] #[allow(dead_code)] fn down(&self) -> bool { self.y < -0.99 }
+ #[inline(always)] #[allow(dead_code)] fn left(&self) -> bool { self.x < -0.99 }
+ #[inline(always)] #[allow(dead_code)] fn right(&self) -> bool { self.x > 0.99 }
+
+ pub fn to_point(&self) -> Point2D<f64> {
+ Point2D {
+ x: self.x as f64,
+ y: self.y as f64,
+ }
+ }
+
+ pub fn to_adjusted_point(&self) -> Point2D<f64> {
+ Point2D::from(self.a) * self.len as f64
+ }
+}
+
+impl From<&Stick> for Point2D<f64> {
+ fn from(item: &Stick) -> Self {
+ Self {
+ x: item.x as f64,
+ y: item.y as f64,
+ }
+ }
+}
+
+impl From<&Stick> for (f64, f64) {
+ fn from(item: &Stick) -> Self {
+ (item.x as f64, item.y as f64)
+ }
}
//#[derive(Debug)]
pub struct Controller {
- pub ctrl: GameController,
+ pub device: Joystick,
haptic: Option<Rc<RefCell<Haptic>>>,
+
+ pub mov: Stick,
+ pub aim: Stick,
+ pub jump: Button,
+ pub start: Button,
+ pub shoot: Button,
+}
+
+impl Controller {
+ pub fn new(device: Joystick, haptic: Option<Rc<RefCell<Haptic>>>) -> Self {
+ Controller {
+ device,
+ haptic,
+ mov: Default::default(),
+ aim: Default::default(),
+ jump: Default::default(),
+ start: Default::default(),
+ shoot: Default::default(),
+ }
+ }
+
+ pub fn update(&mut self, dt: Nanoseconds) {
+ self.mov.update(&self.device, dt, 0, 1); // left stick
+ self.aim.update(&self.device, dt, 3, 4); // right stick
+ self.jump.update(&self.device, dt, 4); // left shoulder
+ self.shoot.update(&self.device, dt, 5); // right shoulder
+ self.start.update(&self.device, dt, 9); // start
+ }
+
+ /// strength [0 - 1]
+ pub fn rumble(&self, strength: f32, duration_ms: u32) {
+ if let Some(h) = &self.haptic {
+ h.borrow_mut().rumble_play(strength, duration_ms);
+ }
+ }
+}
+
+//#[derive(Debug)]
+pub struct ControllerManager {
+ pub joystick: JoystickSubsystem,
+ haptic: Rc<HapticSubsystem>,
+ pub controllers: HashMap<u32, Rc<RefCell<Controller>>>,
}
impl ControllerManager {
- pub fn new(ctrl: GameControllerSubsystem, haptic: HapticSubsystem) -> Self {
+ pub fn new(joystick: JoystickSubsystem, haptic: HapticSubsystem) -> Self {
+ joystick.set_event_state(true);
let mut c = ControllerManager {
- ctrl,
+ joystick,
haptic: Rc::new(haptic),
controllers: HashMap::new(),
};
}
fn init(&mut self) {
- for i in 0..self.ctrl.num_joysticks().unwrap() {
+ for i in 0..self.joystick.num_joysticks().unwrap() {
self.add_device(i);
}
}
+ pub fn update(&mut self, dt: Nanoseconds) {
+ self.controllers.iter().for_each(|(_, v)| v.borrow_mut().update(dt));
+ }
+
pub fn handle_event(&mut self, event: &Event) {
match event {
- Event::ControllerDeviceAdded { which, .. } => { self.add_device(*which) }
- Event::ControllerDeviceRemoved { which, .. } => { self.remove_device(*which) }
- Event::ControllerDeviceRemapped { which, .. } => { println!("device remapped ({})!", *which) }
- Event::ControllerButtonDown { button, .. } => { println!("button {} down!", button.string()) }
- Event::ControllerButtonUp { button, .. } => { println!("button {} up!", button.string()) }
- Event::ControllerAxisMotion { axis, .. } => { println!("axis motion {}!", axis.string()) }
+ Event::JoyDeviceAdded { which, .. } => { self.add_device(*which) }
+ Event::JoyDeviceRemoved { which, .. } => { self.remove_device(*which) }
+ Event::JoyButtonDown { which, button_idx, .. } => { println!("device {} button {} down!", which, button_idx) }
+ Event::JoyButtonUp { which, button_idx, .. } => { println!("device {} button {} up!", which, button_idx) }
+ Event::JoyAxisMotion { which, axis_idx, .. } => { println!("device {} axis motion {}!", which, axis_idx) }
_ => {}
}
}
- pub fn add_device(&mut self, id: u32) {
+ fn add_device(&mut self, id: u32) {
println!("device added ({})!", id);
- let mut ctrl = self.ctrl.open(id).unwrap();
- println!("opened {}", ctrl.name());
+ let mut device = self.joystick.open(id).unwrap();
+ println!("opened {}", device.name());
/*
note about set_rumble (for dualshock 3 at least):
the active range for the low frequency is from 65536/4 to 65536 and escalates in large steps throughout the range
the active range for the high frequency is from 256 to 65536 and effect is the same throughout the whole range
*/
- let haptic = match ctrl.set_rumble(0, 256, 100) {
+ let haptic = match device.set_rumble(0, 256, 100) {
Ok(_) => self.haptic.open_from_joystick_id(id).ok(),
Err(_) => None
};
return;
}
- let detached = self.controllers.values().find(|c| !c.borrow().ctrl.attached());
+ let detached = self.controllers.values().find(|c| !c.borrow().device.attached());
match detached {
Some(c) => {
let mut c = c.borrow_mut();
- c.ctrl = ctrl;
+ c.device = device;
c.haptic = haptic.map(|h| Rc::new(RefCell::new(h)));
}
None => {
- let c = Rc::new(RefCell::new(Controller {ctrl, haptic: haptic.map(|h| Rc::new(RefCell::new(h)))}));
+ let c = Rc::new(RefCell::new(Controller::new(device, haptic.map(|h| Rc::new(RefCell::new(h))))));
self.controllers.insert(id, c);
}
};
}
- pub fn remove_device(&mut self, id: i32) {
+ fn remove_device(&mut self, id: i32) {
println!("device removed ({})!", id);
// TODO
}
}
-
-impl Controller {
- /// strength [0 - 1]
- pub fn rumble(&self, strength: f32, duration_ms: u32) {
- if let Some(h) = &self.haptic {
- h.borrow_mut().rumble_play(strength, duration_ms);
- }
- }
-}