Commit | Line | Data |
---|---|---|
bf7b5671 | 1 | use common::Point2D; |
05ba0976 | 2 | use hashmap; |
902b2b31 | 3 | use common::Radians; |
3f344b63 | 4 | use sdl2::HapticSubsystem; |
902b2b31 | 5 | use sdl2::JoystickSubsystem; |
3f344b63 | 6 | use sdl2::event::Event; |
bf7b5671 TW |
7 | use sdl2::haptic::Haptic; |
8 | use sdl2::joystick::Joystick; | |
9 | use std::cell::RefCell; | |
10 | use std::collections::HashMap; | |
3f344b63 | 11 | use std::rc::Rc; |
902b2b31 | 12 | use time::{Duration, prelude::*}; |
3f344b63 | 13 | |
bf7b5671 TW |
14 | #[derive(Debug, Default)] |
15 | pub struct Button { | |
5d731022 | 16 | id: u8, |
902b2b31 TW |
17 | pub time_pressed: Duration, |
18 | pub time_released: Duration, | |
bf7b5671 TW |
19 | pub is_pressed: bool, |
20 | pub was_pressed: bool, | |
21 | pub toggle: bool, | |
22 | } | |
23 | ||
24 | impl Button { | |
5d731022 | 25 | fn update(&mut self, device: &Joystick, dt: Duration) { |
bf7b5671 | 26 | self.was_pressed = self.is_pressed; |
5d731022 | 27 | self.is_pressed = match device.button(self.id as u32) { |
bf7b5671 TW |
28 | Ok(true) => { |
29 | if !self.was_pressed { | |
902b2b31 | 30 | self.time_pressed = 0.seconds(); |
bf7b5671 TW |
31 | self.toggle = !self.toggle; |
32 | } | |
33 | self.time_pressed += dt; | |
34 | true | |
35 | } | |
36 | Ok(false) => { | |
37 | if self.was_pressed { | |
902b2b31 | 38 | self.time_released = 0.seconds(); |
bf7b5671 TW |
39 | } |
40 | self.time_released += dt; | |
41 | false | |
42 | } | |
5d731022 | 43 | Err(_) => { panic!("invalid button {}", self.id) } |
bf7b5671 TW |
44 | } |
45 | } | |
46 | } | |
47 | ||
48 | #[derive(Debug, Default)] | |
49 | pub struct Axis { | |
5d731022 | 50 | id: u8, |
bf7b5671 TW |
51 | pub val: f32, |
52 | } | |
53 | ||
54 | impl Axis { | |
55 | #[allow(dead_code)] | |
5d731022 TW |
56 | fn update(&mut self, device: &Joystick, _dt: Duration) { |
57 | self.val = match device.axis(self.id as u32) { | |
bf7b5671 | 58 | Ok(val) => val as f32 / 32768.0, |
5d731022 | 59 | Err(_) => panic!("invalid axis {}", self.id), |
bf7b5671 TW |
60 | } |
61 | } | |
62 | } | |
63 | ||
64 | #[derive(Debug, Default)] | |
65 | pub struct Stick { | |
5d731022 TW |
66 | idx: u8, |
67 | idy: u8, | |
bf7b5671 TW |
68 | pub x: f32, |
69 | pub y: f32, | |
70 | pub a: Radians, | |
71 | pub len: f32, | |
72 | } | |
73 | ||
74 | impl Stick { | |
5d731022 TW |
75 | fn update(&mut self, device: &Joystick, _dt: Duration) { |
76 | self.x = match device.axis(self.idx as u32) { | |
bf7b5671 | 77 | Ok(val) => val as f32 / 32768.0, |
5d731022 | 78 | Err(_) => panic!("invalid x axis {}", self.idx), |
bf7b5671 | 79 | }; |
5d731022 | 80 | self.y = match device.axis(self.idy as u32) { |
bf7b5671 | 81 | Ok(val) => val as f32 / 32768.0, |
5d731022 | 82 | Err(_) => panic!("invalid y axis {}", self.idy), |
bf7b5671 TW |
83 | }; |
84 | self.a = Radians(self.y.atan2(self.x) as f64); | |
85 | self.len = { | |
86 | let x = (self.x / self.y).abs().min(1.0); | |
87 | let y = (self.y / self.x).abs().min(1.0); | |
88 | (self.x.powi(2) + self.y.powi(2)).sqrt() / (x.powi(2) + y.powi(2)).sqrt() | |
89 | } | |
90 | } | |
91 | ||
92 | #[inline(always)] #[allow(dead_code)] fn up(&self) -> bool { self.y > 0.99 } | |
93 | #[inline(always)] #[allow(dead_code)] fn down(&self) -> bool { self.y < -0.99 } | |
94 | #[inline(always)] #[allow(dead_code)] fn left(&self) -> bool { self.x < -0.99 } | |
95 | #[inline(always)] #[allow(dead_code)] fn right(&self) -> bool { self.x > 0.99 } | |
96 | ||
97 | pub fn to_point(&self) -> Point2D<f64> { | |
98 | Point2D { | |
99 | x: self.x as f64, | |
100 | y: self.y as f64, | |
101 | } | |
102 | } | |
103 | ||
104 | pub fn to_adjusted_point(&self) -> Point2D<f64> { | |
105 | Point2D::from(self.a) * self.len as f64 | |
106 | } | |
107 | } | |
108 | ||
109 | impl From<&Stick> for Point2D<f64> { | |
110 | fn from(item: &Stick) -> Self { | |
111 | Self { | |
112 | x: item.x as f64, | |
113 | y: item.y as f64, | |
114 | } | |
115 | } | |
116 | } | |
117 | ||
118 | impl From<&Stick> for (f64, f64) { | |
119 | fn from(item: &Stick) -> Self { | |
120 | (item.x as f64, item.y as f64) | |
121 | } | |
3f344b63 TW |
122 | } |
123 | ||
05ba0976 TW |
124 | #[derive(Eq, PartialEq, Hash)] |
125 | enum DeviceControls { | |
126 | AxisLX, | |
127 | AxisLY, | |
128 | AxisRX, | |
129 | AxisRY, | |
130 | AxisL2, | |
131 | AxisR2, | |
132 | ButtonA, | |
133 | ButtonB, | |
134 | ButtonY, | |
135 | ButtonX, | |
136 | ButtonSelect, | |
137 | ButtonStart, | |
138 | ButtonHome, | |
139 | ButtonL3, | |
140 | ButtonR3, | |
141 | ButtonL1, | |
142 | ButtonR1, | |
143 | ButtonL2, | |
144 | ButtonR2, | |
145 | ButtonUp, | |
146 | ButtonDown, | |
147 | ButtonLeft, | |
148 | ButtonRight, | |
5d731022 TW |
149 | } |
150 | ||
05ba0976 TW |
151 | #[derive(Eq, PartialEq, Hash)] |
152 | enum ActionControls { | |
153 | MovementX, | |
154 | MovementY, | |
155 | AimX, | |
156 | AimY, | |
157 | Jump, | |
158 | Shoot, | |
159 | Start, | |
5d731022 TW |
160 | } |
161 | ||
3f344b63 TW |
162 | //#[derive(Debug)] |
163 | pub struct Controller { | |
bf7b5671 | 164 | pub device: Joystick, |
3f344b63 | 165 | haptic: Option<Rc<RefCell<Haptic>>>, |
bf7b5671 TW |
166 | |
167 | pub mov: Stick, | |
168 | pub aim: Stick, | |
169 | pub jump: Button, | |
170 | pub start: Button, | |
171 | pub shoot: Button, | |
172 | } | |
173 | ||
174 | impl Controller { | |
175 | pub fn new(device: Joystick, haptic: Option<Rc<RefCell<Haptic>>>) -> Self { | |
05ba0976 TW |
176 | let action_map = get_action_mapping(); |
177 | let device_map = get_device_mapping(&device.name()); | |
5d731022 | 178 | let mut ctrl = Controller { |
bf7b5671 TW |
179 | device, |
180 | haptic, | |
181 | mov: Default::default(), | |
182 | aim: Default::default(), | |
183 | jump: Default::default(), | |
184 | start: Default::default(), | |
185 | shoot: Default::default(), | |
5d731022 | 186 | }; |
05ba0976 | 187 | ctrl.set_mapping(&action_map, &device_map); |
5d731022 TW |
188 | ctrl |
189 | } | |
190 | ||
05ba0976 TW |
191 | fn set_mapping(&mut self, action: &HashMap<ActionControls, DeviceControls>, device: &HashMap<DeviceControls, u8>) { |
192 | self.mov.idx = *action.get(&ActionControls::MovementX).map(|i| device.get(i)).flatten().unwrap(); | |
193 | self.mov.idy = *action.get(&ActionControls::MovementY).map(|i| device.get(i)).flatten().unwrap(); | |
194 | self.aim.idx = *action.get(&ActionControls::AimX).map(|i| device.get(i)).flatten().unwrap(); | |
195 | self.aim.idy = *action.get(&ActionControls::AimY).map(|i| device.get(i)).flatten().unwrap(); | |
196 | self.jump.id = *action.get(&ActionControls::Jump).map(|i| device.get(i)).flatten().unwrap(); | |
197 | self.shoot.id = *action.get(&ActionControls::Shoot).map(|i| device.get(i)).flatten().unwrap(); | |
198 | self.start.id = *action.get(&ActionControls::Start).map(|i| device.get(i)).flatten().unwrap(); | |
bf7b5671 TW |
199 | } |
200 | ||
902b2b31 | 201 | pub fn update(&mut self, dt: Duration) { |
5d731022 TW |
202 | self.mov.update(&self.device, dt); |
203 | self.aim.update(&self.device, dt); | |
204 | self.jump.update(&self.device, dt); | |
205 | self.shoot.update(&self.device, dt); | |
206 | self.start.update(&self.device, dt); | |
bf7b5671 TW |
207 | } |
208 | ||
209 | /// strength [0 - 1] | |
902b2b31 | 210 | pub fn rumble(&self, strength: f32, duration: Duration) { |
bf7b5671 | 211 | if let Some(h) = &self.haptic { |
902b2b31 | 212 | h.borrow_mut().rumble_play(strength, duration.whole_milliseconds() as u32); |
bf7b5671 TW |
213 | } |
214 | } | |
215 | } | |
216 | ||
05ba0976 TW |
217 | fn get_action_mapping() -> HashMap<ActionControls, DeviceControls> { |
218 | hashmap!( | |
219 | ActionControls::MovementX => DeviceControls::AxisLX, | |
220 | ActionControls::MovementY => DeviceControls::AxisLY, | |
221 | ActionControls::AimX => DeviceControls::AxisRX, | |
222 | ActionControls::AimY => DeviceControls::AxisRY, | |
223 | ActionControls::Jump => DeviceControls::ButtonL1, | |
224 | ActionControls::Shoot => DeviceControls::ButtonR1, | |
225 | ActionControls::Start => DeviceControls::ButtonStart | |
226 | ) | |
227 | } | |
228 | ||
229 | fn get_device_mapping(device_name: &str) -> HashMap<DeviceControls, u8> { | |
230 | match device_name { | |
231 | "Sony PLAYSTATION(R)3 Controller" => hashmap!( | |
232 | DeviceControls::AxisLX => 0, | |
233 | DeviceControls::AxisLY => 1, | |
234 | DeviceControls::AxisRX => 3, | |
235 | DeviceControls::AxisRY => 4, | |
236 | DeviceControls::AxisL2 => 2, | |
237 | DeviceControls::AxisR2 => 5, | |
238 | DeviceControls::ButtonA => 0, | |
239 | DeviceControls::ButtonB => 1, | |
240 | DeviceControls::ButtonY => 3, | |
241 | DeviceControls::ButtonX => 2, | |
242 | DeviceControls::ButtonSelect => 8, | |
243 | DeviceControls::ButtonStart => 9, | |
244 | DeviceControls::ButtonHome => 10, | |
245 | DeviceControls::ButtonL3 => 11, | |
246 | DeviceControls::ButtonR3 => 12, | |
247 | DeviceControls::ButtonL1 => 4, | |
248 | DeviceControls::ButtonR1 => 5, | |
249 | DeviceControls::ButtonL2 => 6, | |
250 | DeviceControls::ButtonR2 => 7, | |
251 | DeviceControls::ButtonUp => 13, | |
252 | DeviceControls::ButtonDown => 14, | |
253 | DeviceControls::ButtonLeft => 15, | |
254 | DeviceControls::ButtonRight => 16 | |
255 | ), | |
256 | _ => panic!("No controller mapping for device '{}'", device_name) | |
257 | } | |
258 | } | |
259 | ||
bf7b5671 TW |
260 | //#[derive(Debug)] |
261 | pub struct ControllerManager { | |
262 | pub joystick: JoystickSubsystem, | |
263 | haptic: Rc<HapticSubsystem>, | |
264 | pub controllers: HashMap<u32, Rc<RefCell<Controller>>>, | |
3f344b63 TW |
265 | } |
266 | ||
267 | impl ControllerManager { | |
bf7b5671 TW |
268 | pub fn new(joystick: JoystickSubsystem, haptic: HapticSubsystem) -> Self { |
269 | joystick.set_event_state(true); | |
b0566120 | 270 | let mut c = ControllerManager { |
bf7b5671 | 271 | joystick, |
3f344b63 | 272 | haptic: Rc::new(haptic), |
b0566120 TW |
273 | controllers: HashMap::new(), |
274 | }; | |
275 | c.init(); | |
276 | c | |
277 | } | |
278 | ||
279 | fn init(&mut self) { | |
bf7b5671 | 280 | for i in 0..self.joystick.num_joysticks().unwrap() { |
b0566120 | 281 | self.add_device(i); |
3f344b63 TW |
282 | } |
283 | } | |
284 | ||
902b2b31 | 285 | pub fn update(&mut self, dt: Duration) { |
bf7b5671 TW |
286 | self.controllers.iter().for_each(|(_, v)| v.borrow_mut().update(dt)); |
287 | } | |
288 | ||
3f344b63 TW |
289 | pub fn handle_event(&mut self, event: &Event) { |
290 | match event { | |
bf7b5671 TW |
291 | Event::JoyDeviceAdded { which, .. } => { self.add_device(*which) } |
292 | Event::JoyDeviceRemoved { which, .. } => { self.remove_device(*which) } | |
5d731022 TW |
293 | // Event::JoyButtonDown { which, button_idx, .. } => { println!("device {} button {} down!", which, button_idx) } |
294 | // Event::JoyButtonUp { which, button_idx, .. } => { println!("device {} button {} up!", which, button_idx) } | |
295 | // Event::JoyAxisMotion { which, axis_idx, .. } => { println!("device {} axis motion {}!", which, axis_idx) } | |
3f344b63 TW |
296 | _ => {} |
297 | } | |
298 | } | |
299 | ||
bf7b5671 | 300 | fn add_device(&mut self, id: u32) { |
3f344b63 | 301 | println!("device added ({})!", id); |
bf7b5671 TW |
302 | let mut device = self.joystick.open(id).unwrap(); |
303 | println!("opened {}", device.name()); | |
ca99d4d7 TW |
304 | |
305 | /* | |
306 | note about set_rumble (for dualshock 3 at least): | |
307 | the active range for the low frequency is from 65536/4 to 65536 and escalates in large steps throughout the range | |
308 | the active range for the high frequency is from 256 to 65536 and effect is the same throughout the whole range | |
309 | */ | |
bf7b5671 | 310 | let haptic = match device.set_rumble(0, 256, 100) { |
3f344b63 TW |
311 | Ok(_) => self.haptic.open_from_joystick_id(id).ok(), |
312 | Err(_) => None | |
313 | }; | |
314 | ||
b0566120 TW |
315 | if self.controllers.contains_key(&id) { |
316 | return; | |
317 | } | |
318 | ||
bf7b5671 | 319 | let detached = self.controllers.values().find(|c| !c.borrow().device.attached()); |
ca99d4d7 TW |
320 | match detached { |
321 | Some(c) => { | |
322 | let mut c = c.borrow_mut(); | |
bf7b5671 | 323 | c.device = device; |
ca99d4d7 TW |
324 | c.haptic = haptic.map(|h| Rc::new(RefCell::new(h))); |
325 | } | |
326 | None => { | |
bf7b5671 | 327 | let c = Rc::new(RefCell::new(Controller::new(device, haptic.map(|h| Rc::new(RefCell::new(h)))))); |
b0566120 | 328 | self.controllers.insert(id, c); |
ca99d4d7 TW |
329 | } |
330 | }; | |
3f344b63 TW |
331 | } |
332 | ||
bf7b5671 | 333 | fn remove_device(&mut self, id: i32) { |
3f344b63 | 334 | println!("device removed ({})!", id); |
ca99d4d7 | 335 | // TODO |
3f344b63 TW |
336 | } |
337 | } |