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Diffstat (limited to 'src/input_common/drivers/sdl_driver.cpp')
-rw-r--r--src/input_common/drivers/sdl_driver.cpp924
1 files changed, 924 insertions, 0 deletions
diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp
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+++ b/src/input_common/drivers/sdl_driver.cpp
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1// Copyright 2018 Citra Emulator Project
2// Licensed under GPLv2 or any later version
3// Refer to the license.txt file included.
4
5#include "common/logging/log.h"
6#include "common/math_util.h"
7#include "common/param_package.h"
8#include "common/settings.h"
9#include "common/thread.h"
10#include "common/vector_math.h"
11#include "input_common/drivers/sdl_driver.h"
12
13namespace InputCommon {
14
15namespace {
16std::string GetGUID(SDL_Joystick* joystick) {
17 const SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
18 char guid_str[33];
19 SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str));
20 return guid_str;
21}
22} // Anonymous namespace
23
24static int SDLEventWatcher(void* user_data, SDL_Event* event) {
25 auto* const sdl_state = static_cast<SDLDriver*>(user_data);
26
27 sdl_state->HandleGameControllerEvent(*event);
28
29 return 0;
30}
31
32class SDLJoystick {
33public:
34 SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick,
35 SDL_GameController* game_controller)
36 : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose},
37 sdl_controller{game_controller, &SDL_GameControllerClose} {
38 EnableMotion();
39 }
40
41 void EnableMotion() {
42 if (sdl_controller) {
43 SDL_GameController* controller = sdl_controller.get();
44 if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_ACCEL) && !has_accel) {
45 SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_ACCEL, SDL_TRUE);
46 has_accel = true;
47 }
48 if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_GYRO) && !has_gyro) {
49 SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_GYRO, SDL_TRUE);
50 has_gyro = true;
51 }
52 }
53 }
54
55 bool HasGyro() const {
56 return has_gyro;
57 }
58
59 bool HasAccel() const {
60 return has_accel;
61 }
62
63 bool UpdateMotion(SDL_ControllerSensorEvent event) {
64 constexpr float gravity_constant = 9.80665f;
65 std::lock_guard lock{mutex};
66 const u64 time_difference = event.timestamp - last_motion_update;
67 last_motion_update = event.timestamp;
68 switch (event.sensor) {
69 case SDL_SENSOR_ACCEL: {
70 motion.accel_x = -event.data[0] / gravity_constant;
71 motion.accel_y = event.data[2] / gravity_constant;
72 motion.accel_z = -event.data[1] / gravity_constant;
73 break;
74 }
75 case SDL_SENSOR_GYRO: {
76 motion.gyro_x = event.data[0] / (Common::PI * 2);
77 motion.gyro_y = -event.data[2] / (Common::PI * 2);
78 motion.gyro_z = event.data[1] / (Common::PI * 2);
79 break;
80 }
81 }
82
83 // Ignore duplicated timestamps
84 if (time_difference == 0) {
85 return false;
86 }
87 motion.delta_timestamp = time_difference * 1000;
88 return true;
89 }
90
91 BasicMotion GetMotion() {
92 return motion;
93 }
94
95 bool RumblePlay(const Common::Input::VibrationStatus vibration) {
96 constexpr u32 rumble_max_duration_ms = 1000;
97 if (sdl_controller) {
98 return SDL_GameControllerRumble(
99 sdl_controller.get(), static_cast<u16>(vibration.low_amplitude),
100 static_cast<u16>(vibration.high_amplitude), rumble_max_duration_ms) != -1;
101 } else if (sdl_joystick) {
102 return SDL_JoystickRumble(sdl_joystick.get(), static_cast<u16>(vibration.low_amplitude),
103 static_cast<u16>(vibration.high_amplitude),
104 rumble_max_duration_ms) != -1;
105 }
106
107 return false;
108 }
109
110 bool HasHDRumble() const {
111 if (sdl_controller) {
112 return (SDL_GameControllerGetType(sdl_controller.get()) ==
113 SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO);
114 }
115 return false;
116 }
117 /**
118 * The Pad identifier of the joystick
119 */
120 const PadIdentifier GetPadIdentifier() const {
121 return {
122 .guid = Common::UUID{guid},
123 .port = static_cast<std::size_t>(port),
124 .pad = 0,
125 };
126 }
127
128 /**
129 * The guid of the joystick
130 */
131 const std::string& GetGUID() const {
132 return guid;
133 }
134
135 /**
136 * The number of joystick from the same type that were connected before this joystick
137 */
138 int GetPort() const {
139 return port;
140 }
141
142 SDL_Joystick* GetSDLJoystick() const {
143 return sdl_joystick.get();
144 }
145
146 SDL_GameController* GetSDLGameController() const {
147 return sdl_controller.get();
148 }
149
150 void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) {
151 sdl_joystick.reset(joystick);
152 sdl_controller.reset(controller);
153 }
154
155 bool IsJoyconLeft() const {
156 const std::string controller_name = GetControllerName();
157 if (std::strstr(controller_name.c_str(), "Joy-Con Left") != nullptr) {
158 return true;
159 }
160 if (std::strstr(controller_name.c_str(), "Joy-Con (L)") != nullptr) {
161 return true;
162 }
163 return false;
164 }
165
166 bool IsJoyconRight() const {
167 const std::string controller_name = GetControllerName();
168 if (std::strstr(controller_name.c_str(), "Joy-Con Right") != nullptr) {
169 return true;
170 }
171 if (std::strstr(controller_name.c_str(), "Joy-Con (R)") != nullptr) {
172 return true;
173 }
174 return false;
175 }
176
177 BatteryLevel GetBatteryLevel() {
178 const auto level = SDL_JoystickCurrentPowerLevel(sdl_joystick.get());
179 switch (level) {
180 case SDL_JOYSTICK_POWER_EMPTY:
181 return BatteryLevel::Empty;
182 case SDL_JOYSTICK_POWER_LOW:
183 return BatteryLevel::Critical;
184 case SDL_JOYSTICK_POWER_MEDIUM:
185 return BatteryLevel::Low;
186 case SDL_JOYSTICK_POWER_FULL:
187 return BatteryLevel::Medium;
188 case SDL_JOYSTICK_POWER_MAX:
189 return BatteryLevel::Full;
190 case SDL_JOYSTICK_POWER_UNKNOWN:
191 case SDL_JOYSTICK_POWER_WIRED:
192 default:
193 return BatteryLevel::Charging;
194 }
195 }
196
197 std::string GetControllerName() const {
198 if (sdl_controller) {
199 switch (SDL_GameControllerGetType(sdl_controller.get())) {
200 case SDL_CONTROLLER_TYPE_XBOX360:
201 return "XBox 360 Controller";
202 case SDL_CONTROLLER_TYPE_XBOXONE:
203 return "XBox One Controller";
204 default:
205 break;
206 }
207 const auto name = SDL_GameControllerName(sdl_controller.get());
208 if (name) {
209 return name;
210 }
211 }
212
213 if (sdl_joystick) {
214 const auto name = SDL_JoystickName(sdl_joystick.get());
215 if (name) {
216 return name;
217 }
218 }
219
220 return "Unknown";
221 }
222
223private:
224 std::string guid;
225 int port;
226 std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)> sdl_joystick;
227 std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> sdl_controller;
228 mutable std::mutex mutex;
229
230 u64 last_motion_update{};
231 bool has_gyro{false};
232 bool has_accel{false};
233 BasicMotion motion;
234};
235
236std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickByGUID(const std::string& guid, int port) {
237 std::lock_guard lock{joystick_map_mutex};
238 const auto it = joystick_map.find(guid);
239
240 if (it != joystick_map.end()) {
241 while (it->second.size() <= static_cast<std::size_t>(port)) {
242 auto joystick = std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()),
243 nullptr, nullptr);
244 it->second.emplace_back(std::move(joystick));
245 }
246
247 return it->second[static_cast<std::size_t>(port)];
248 }
249
250 auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, nullptr);
251
252 return joystick_map[guid].emplace_back(std::move(joystick));
253}
254
255std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) {
256 auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id);
257 const std::string guid = GetGUID(sdl_joystick);
258
259 std::lock_guard lock{joystick_map_mutex};
260 const auto map_it = joystick_map.find(guid);
261
262 if (map_it == joystick_map.end()) {
263 return nullptr;
264 }
265
266 const auto vec_it = std::find_if(map_it->second.begin(), map_it->second.end(),
267 [&sdl_joystick](const auto& joystick) {
268 return joystick->GetSDLJoystick() == sdl_joystick;
269 });
270
271 if (vec_it == map_it->second.end()) {
272 return nullptr;
273 }
274
275 return *vec_it;
276}
277
278void SDLDriver::InitJoystick(int joystick_index) {
279 SDL_Joystick* sdl_joystick = SDL_JoystickOpen(joystick_index);
280 SDL_GameController* sdl_gamecontroller = nullptr;
281
282 if (SDL_IsGameController(joystick_index)) {
283 sdl_gamecontroller = SDL_GameControllerOpen(joystick_index);
284 }
285
286 if (!sdl_joystick) {
287 LOG_ERROR(Input, "Failed to open joystick {}", joystick_index);
288 return;
289 }
290
291 const std::string guid = GetGUID(sdl_joystick);
292
293 std::lock_guard lock{joystick_map_mutex};
294 if (joystick_map.find(guid) == joystick_map.end()) {
295 auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_gamecontroller);
296 PreSetController(joystick->GetPadIdentifier());
297 SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
298 joystick_map[guid].emplace_back(std::move(joystick));
299 return;
300 }
301
302 auto& joystick_guid_list = joystick_map[guid];
303 const auto joystick_it =
304 std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
305 [](const auto& joystick) { return !joystick->GetSDLJoystick(); });
306
307 if (joystick_it != joystick_guid_list.end()) {
308 (*joystick_it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller);
309 return;
310 }
311
312 const int port = static_cast<int>(joystick_guid_list.size());
313 auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller);
314 PreSetController(joystick->GetPadIdentifier());
315 SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
316 joystick_guid_list.emplace_back(std::move(joystick));
317}
318
319void SDLDriver::CloseJoystick(SDL_Joystick* sdl_joystick) {
320 const std::string guid = GetGUID(sdl_joystick);
321
322 std::lock_guard lock{joystick_map_mutex};
323 // This call to guid is safe since the joystick is guaranteed to be in the map
324 const auto& joystick_guid_list = joystick_map[guid];
325 const auto joystick_it = std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
326 [&sdl_joystick](const auto& joystick) {
327 return joystick->GetSDLJoystick() == sdl_joystick;
328 });
329
330 if (joystick_it != joystick_guid_list.end()) {
331 (*joystick_it)->SetSDLJoystick(nullptr, nullptr);
332 }
333}
334
335void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) {
336 switch (event.type) {
337 case SDL_JOYBUTTONUP: {
338 if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) {
339 const PadIdentifier identifier = joystick->GetPadIdentifier();
340 SetButton(identifier, event.jbutton.button, false);
341 }
342 break;
343 }
344 case SDL_JOYBUTTONDOWN: {
345 if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) {
346 const PadIdentifier identifier = joystick->GetPadIdentifier();
347 SetButton(identifier, event.jbutton.button, true);
348 }
349 break;
350 }
351 case SDL_JOYHATMOTION: {
352 if (const auto joystick = GetSDLJoystickBySDLID(event.jhat.which)) {
353 const PadIdentifier identifier = joystick->GetPadIdentifier();
354 SetHatButton(identifier, event.jhat.hat, event.jhat.value);
355 }
356 break;
357 }
358 case SDL_JOYAXISMOTION: {
359 if (const auto joystick = GetSDLJoystickBySDLID(event.jaxis.which)) {
360 const PadIdentifier identifier = joystick->GetPadIdentifier();
361 SetAxis(identifier, event.jaxis.axis, event.jaxis.value / 32767.0f);
362 }
363 break;
364 }
365 case SDL_CONTROLLERSENSORUPDATE: {
366 if (auto joystick = GetSDLJoystickBySDLID(event.csensor.which)) {
367 if (joystick->UpdateMotion(event.csensor)) {
368 const PadIdentifier identifier = joystick->GetPadIdentifier();
369 SetMotion(identifier, 0, joystick->GetMotion());
370 };
371 }
372 break;
373 }
374 case SDL_JOYDEVICEREMOVED:
375 LOG_DEBUG(Input, "Controller removed with Instance_ID {}", event.jdevice.which);
376 CloseJoystick(SDL_JoystickFromInstanceID(event.jdevice.which));
377 break;
378 case SDL_JOYDEVICEADDED:
379 LOG_DEBUG(Input, "Controller connected with device index {}", event.jdevice.which);
380 InitJoystick(event.jdevice.which);
381 break;
382 }
383}
384
385void SDLDriver::CloseJoysticks() {
386 std::lock_guard lock{joystick_map_mutex};
387 joystick_map.clear();
388}
389
390SDLDriver::SDLDriver(const std::string& input_engine_) : InputEngine(input_engine_) {
391 Common::SetCurrentThreadName("yuzu:input:SDL");
392
393 if (!Settings::values.enable_raw_input) {
394 // Disable raw input. When enabled this setting causes SDL to die when a web applet opens
395 SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0");
396 }
397
398 // Prevent SDL from adding undesired axis
399 SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
400
401 // Enable HIDAPI rumble. This prevents SDL from disabling motion on PS4 and PS5 controllers
402 SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, "1");
403 SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE, "1");
404 SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
405
406 // Use hidapi driver for joycons. This will allow joycons to be detected as a GameController and
407 // not a generic one
408 SDL_SetHint("SDL_JOYSTICK_HIDAPI_JOY_CONS", "1");
409
410 // Turn off Pro controller home led
411 SDL_SetHint("SDL_JOYSTICK_HIDAPI_SWITCH_HOME_LED", "0");
412
413 // If the frontend is going to manage the event loop, then we don't start one here
414 start_thread = SDL_WasInit(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) == 0;
415 if (start_thread && SDL_Init(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0) {
416 LOG_CRITICAL(Input, "SDL_Init failed with: {}", SDL_GetError());
417 return;
418 }
419
420 SDL_AddEventWatch(&SDLEventWatcher, this);
421
422 initialized = true;
423 if (start_thread) {
424 poll_thread = std::thread([this] {
425 using namespace std::chrono_literals;
426 while (initialized) {
427 SDL_PumpEvents();
428 std::this_thread::sleep_for(1ms);
429 }
430 });
431 }
432 // Because the events for joystick connection happens before we have our event watcher added, we
433 // can just open all the joysticks right here
434 for (int i = 0; i < SDL_NumJoysticks(); ++i) {
435 InitJoystick(i);
436 }
437}
438
439SDLDriver::~SDLDriver() {
440 CloseJoysticks();
441 SDL_DelEventWatch(&SDLEventWatcher, this);
442
443 initialized = false;
444 if (start_thread) {
445 poll_thread.join();
446 SDL_QuitSubSystem(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER);
447 }
448}
449
450std::vector<Common::ParamPackage> SDLDriver::GetInputDevices() const {
451 std::vector<Common::ParamPackage> devices;
452 std::unordered_map<int, std::shared_ptr<SDLJoystick>> joycon_pairs;
453 for (const auto& [key, value] : joystick_map) {
454 for (const auto& joystick : value) {
455 if (!joystick->GetSDLJoystick()) {
456 continue;
457 }
458 const std::string name =
459 fmt::format("{} {}", joystick->GetControllerName(), joystick->GetPort());
460 devices.emplace_back(Common::ParamPackage{
461 {"engine", GetEngineName()},
462 {"display", std::move(name)},
463 {"guid", joystick->GetGUID()},
464 {"port", std::to_string(joystick->GetPort())},
465 });
466 if (joystick->IsJoyconLeft()) {
467 joycon_pairs.insert_or_assign(joystick->GetPort(), joystick);
468 }
469 }
470 }
471
472 // Add dual controllers
473 for (const auto& [key, value] : joystick_map) {
474 for (const auto& joystick : value) {
475 if (joystick->IsJoyconRight()) {
476 if (!joycon_pairs.contains(joystick->GetPort())) {
477 continue;
478 }
479 const auto joystick2 = joycon_pairs.at(joystick->GetPort());
480
481 const std::string name =
482 fmt::format("{} {}", "Nintendo Dual Joy-Con", joystick->GetPort());
483 devices.emplace_back(Common::ParamPackage{
484 {"engine", GetEngineName()},
485 {"display", std::move(name)},
486 {"guid", joystick->GetGUID()},
487 {"guid2", joystick2->GetGUID()},
488 {"port", std::to_string(joystick->GetPort())},
489 });
490 }
491 }
492 }
493 return devices;
494}
495Common::Input::VibrationError SDLDriver::SetRumble(const PadIdentifier& identifier,
496 const Common::Input::VibrationStatus vibration) {
497 const auto joystick =
498 GetSDLJoystickByGUID(identifier.guid.Format(), static_cast<int>(identifier.port));
499 const auto process_amplitude_exp = [](f32 amplitude, f32 factor) {
500 return (amplitude + std::pow(amplitude, factor)) * 0.5f * 0xFFFF;
501 };
502
503 // Default exponential curve for rumble
504 f32 factor = 0.35f;
505
506 // If vibration is set as a linear output use a flatter value
507 if (vibration.type == Common::Input::VibrationAmplificationType::Linear) {
508 factor = 0.5f;
509 }
510
511 // Amplitude for HD rumble needs no modification
512 if (joystick->HasHDRumble()) {
513 factor = 1.0f;
514 }
515
516 const Common::Input::VibrationStatus new_vibration{
517 .low_amplitude = process_amplitude_exp(vibration.low_amplitude, factor),
518 .low_frequency = vibration.low_frequency,
519 .high_amplitude = process_amplitude_exp(vibration.high_amplitude, factor),
520 .high_frequency = vibration.high_frequency,
521 .type = Common::Input::VibrationAmplificationType::Exponential,
522 };
523
524 if (!joystick->RumblePlay(new_vibration)) {
525 return Common::Input::VibrationError::Unknown;
526 }
527
528 return Common::Input::VibrationError::None;
529}
530Common::ParamPackage SDLDriver::BuildAnalogParamPackageForButton(int port, std::string guid,
531 s32 axis, float value) const {
532 Common::ParamPackage params{};
533 params.Set("engine", GetEngineName());
534 params.Set("port", port);
535 params.Set("guid", std::move(guid));
536 params.Set("axis", axis);
537 params.Set("threshold", "0.5");
538 params.Set("invert", value < 0 ? "-" : "+");
539 return params;
540}
541
542Common::ParamPackage SDLDriver::BuildButtonParamPackageForButton(int port, std::string guid,
543 s32 button) const {
544 Common::ParamPackage params{};
545 params.Set("engine", GetEngineName());
546 params.Set("port", port);
547 params.Set("guid", std::move(guid));
548 params.Set("button", button);
549 return params;
550}
551
552Common::ParamPackage SDLDriver::BuildHatParamPackageForButton(int port, std::string guid, s32 hat,
553 u8 value) const {
554 Common::ParamPackage params{};
555 params.Set("engine", GetEngineName());
556 params.Set("port", port);
557 params.Set("guid", std::move(guid));
558 params.Set("hat", hat);
559 params.Set("direction", GetHatButtonName(value));
560 return params;
561}
562
563Common::ParamPackage SDLDriver::BuildMotionParam(int port, std::string guid) const {
564 Common::ParamPackage params{};
565 params.Set("engine", GetEngineName());
566 params.Set("motion", 0);
567 params.Set("port", port);
568 params.Set("guid", std::move(guid));
569 return params;
570}
571
572Common::ParamPackage SDLDriver::BuildParamPackageForBinding(
573 int port, const std::string& guid, const SDL_GameControllerButtonBind& binding) const {
574 switch (binding.bindType) {
575 case SDL_CONTROLLER_BINDTYPE_NONE:
576 break;
577 case SDL_CONTROLLER_BINDTYPE_AXIS:
578 return BuildAnalogParamPackageForButton(port, guid, binding.value.axis);
579 case SDL_CONTROLLER_BINDTYPE_BUTTON:
580 return BuildButtonParamPackageForButton(port, guid, binding.value.button);
581 case SDL_CONTROLLER_BINDTYPE_HAT:
582 return BuildHatParamPackageForButton(port, guid, binding.value.hat.hat,
583 static_cast<u8>(binding.value.hat.hat_mask));
584 }
585 return {};
586}
587
588Common::ParamPackage SDLDriver::BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x,
589 int axis_y, float offset_x,
590 float offset_y) const {
591 Common::ParamPackage params;
592 params.Set("engine", GetEngineName());
593 params.Set("port", static_cast<int>(identifier.port));
594 params.Set("guid", identifier.guid.Format());
595 params.Set("axis_x", axis_x);
596 params.Set("axis_y", axis_y);
597 params.Set("offset_x", offset_x);
598 params.Set("offset_y", offset_y);
599 params.Set("invert_x", "+");
600 params.Set("invert_y", "+");
601 return params;
602}
603
604ButtonMapping SDLDriver::GetButtonMappingForDevice(const Common::ParamPackage& params) {
605 if (!params.Has("guid") || !params.Has("port")) {
606 return {};
607 }
608 const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
609
610 auto* controller = joystick->GetSDLGameController();
611 if (controller == nullptr) {
612 return {};
613 }
614
615 // This list is missing ZL/ZR since those are not considered buttons in SDL GameController.
616 // We will add those afterwards
617 // This list also excludes Screenshot since theres not really a mapping for that
618 ButtonBindings switch_to_sdl_button;
619
620 if (SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) {
621 switch_to_sdl_button = GetNintendoButtonBinding(joystick);
622 } else {
623 switch_to_sdl_button = GetDefaultButtonBinding();
624 }
625
626 // Add the missing bindings for ZL/ZR
627 static constexpr ZButtonBindings switch_to_sdl_axis{{
628 {Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT},
629 {Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT},
630 }};
631
632 // Parameters contain two joysticks return dual
633 if (params.Has("guid2")) {
634 const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
635
636 if (joystick2->GetSDLGameController() != nullptr) {
637 return GetDualControllerMapping(joystick, joystick2, switch_to_sdl_button,
638 switch_to_sdl_axis);
639 }
640 }
641
642 return GetSingleControllerMapping(joystick, switch_to_sdl_button, switch_to_sdl_axis);
643}
644
645ButtonBindings SDLDriver::GetDefaultButtonBinding() const {
646 return {
647 std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B},
648 {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A},
649 {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y},
650 {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X},
651 {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
652 {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
653 {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
654 {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
655 {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
656 {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
657 {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
658 {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
659 {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
660 {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
661 {Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
662 {Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
663 {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
664 };
665}
666
667ButtonBindings SDLDriver::GetNintendoButtonBinding(
668 const std::shared_ptr<SDLJoystick>& joystick) const {
669 // Default SL/SR mapping for pro controllers
670 auto sl_button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER;
671 auto sr_button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER;
672
673 if (joystick->IsJoyconLeft()) {
674 sl_button = SDL_CONTROLLER_BUTTON_PADDLE2;
675 sr_button = SDL_CONTROLLER_BUTTON_PADDLE4;
676 }
677 if (joystick->IsJoyconRight()) {
678 sl_button = SDL_CONTROLLER_BUTTON_PADDLE3;
679 sr_button = SDL_CONTROLLER_BUTTON_PADDLE1;
680 }
681
682 return {
683 std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_A},
684 {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_B},
685 {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_X},
686 {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_Y},
687 {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
688 {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
689 {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
690 {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
691 {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
692 {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
693 {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
694 {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
695 {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
696 {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
697 {Settings::NativeButton::SL, sl_button},
698 {Settings::NativeButton::SR, sr_button},
699 {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
700 };
701}
702
703ButtonMapping SDLDriver::GetSingleControllerMapping(
704 const std::shared_ptr<SDLJoystick>& joystick, const ButtonBindings& switch_to_sdl_button,
705 const ZButtonBindings& switch_to_sdl_axis) const {
706 ButtonMapping mapping;
707 mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size());
708 auto* controller = joystick->GetSDLGameController();
709
710 for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
711 const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
712 mapping.insert_or_assign(
713 switch_button,
714 BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
715 }
716 for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
717 const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
718 mapping.insert_or_assign(
719 switch_button,
720 BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
721 }
722
723 return mapping;
724}
725
726ButtonMapping SDLDriver::GetDualControllerMapping(const std::shared_ptr<SDLJoystick>& joystick,
727 const std::shared_ptr<SDLJoystick>& joystick2,
728 const ButtonBindings& switch_to_sdl_button,
729 const ZButtonBindings& switch_to_sdl_axis) const {
730 ButtonMapping mapping;
731 mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size());
732 auto* controller = joystick->GetSDLGameController();
733 auto* controller2 = joystick2->GetSDLGameController();
734
735 for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
736 if (IsButtonOnLeftSide(switch_button)) {
737 const auto& binding = SDL_GameControllerGetBindForButton(controller2, sdl_button);
738 mapping.insert_or_assign(
739 switch_button,
740 BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding));
741 continue;
742 }
743 const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
744 mapping.insert_or_assign(
745 switch_button,
746 BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
747 }
748 for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
749 if (IsButtonOnLeftSide(switch_button)) {
750 const auto& binding = SDL_GameControllerGetBindForAxis(controller2, sdl_axis);
751 mapping.insert_or_assign(
752 switch_button,
753 BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding));
754 continue;
755 }
756 const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
757 mapping.insert_or_assign(
758 switch_button,
759 BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
760 }
761
762 return mapping;
763}
764
765bool SDLDriver::IsButtonOnLeftSide(Settings::NativeButton::Values button) const {
766 switch (button) {
767 case Settings::NativeButton::DDown:
768 case Settings::NativeButton::DLeft:
769 case Settings::NativeButton::DRight:
770 case Settings::NativeButton::DUp:
771 case Settings::NativeButton::L:
772 case Settings::NativeButton::LStick:
773 case Settings::NativeButton::Minus:
774 case Settings::NativeButton::Screenshot:
775 case Settings::NativeButton::ZL:
776 return true;
777 default:
778 return false;
779 }
780}
781
782AnalogMapping SDLDriver::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
783 if (!params.Has("guid") || !params.Has("port")) {
784 return {};
785 }
786 const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
787 const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
788 auto* controller = joystick->GetSDLGameController();
789 if (controller == nullptr) {
790 return {};
791 }
792
793 AnalogMapping mapping = {};
794 const auto& binding_left_x =
795 SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX);
796 const auto& binding_left_y =
797 SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY);
798 if (params.Has("guid2")) {
799 const auto identifier = joystick2->GetPadIdentifier();
800 PreSetController(identifier);
801 PreSetAxis(identifier, binding_left_x.value.axis);
802 PreSetAxis(identifier, binding_left_y.value.axis);
803 const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis);
804 const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis);
805 mapping.insert_or_assign(Settings::NativeAnalog::LStick,
806 BuildParamPackageForAnalog(identifier, binding_left_x.value.axis,
807 binding_left_y.value.axis,
808 left_offset_x, left_offset_y));
809 } else {
810 const auto identifier = joystick->GetPadIdentifier();
811 PreSetController(identifier);
812 PreSetAxis(identifier, binding_left_x.value.axis);
813 PreSetAxis(identifier, binding_left_y.value.axis);
814 const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis);
815 const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis);
816 mapping.insert_or_assign(Settings::NativeAnalog::LStick,
817 BuildParamPackageForAnalog(identifier, binding_left_x.value.axis,
818 binding_left_y.value.axis,
819 left_offset_x, left_offset_y));
820 }
821 const auto& binding_right_x =
822 SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX);
823 const auto& binding_right_y =
824 SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY);
825 const auto identifier = joystick->GetPadIdentifier();
826 PreSetController(identifier);
827 PreSetAxis(identifier, binding_right_x.value.axis);
828 PreSetAxis(identifier, binding_right_y.value.axis);
829 const auto right_offset_x = -GetAxis(identifier, binding_right_x.value.axis);
830 const auto right_offset_y = -GetAxis(identifier, binding_right_y.value.axis);
831 mapping.insert_or_assign(Settings::NativeAnalog::RStick,
832 BuildParamPackageForAnalog(identifier, binding_right_x.value.axis,
833 binding_right_y.value.axis, right_offset_x,
834 right_offset_y));
835 return mapping;
836}
837
838MotionMapping SDLDriver::GetMotionMappingForDevice(const Common::ParamPackage& params) {
839 if (!params.Has("guid") || !params.Has("port")) {
840 return {};
841 }
842 const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
843 const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
844 auto* controller = joystick->GetSDLGameController();
845 if (controller == nullptr) {
846 return {};
847 }
848
849 MotionMapping mapping = {};
850 joystick->EnableMotion();
851
852 if (joystick->HasGyro() || joystick->HasAccel()) {
853 mapping.insert_or_assign(Settings::NativeMotion::MotionRight,
854 BuildMotionParam(joystick->GetPort(), joystick->GetGUID()));
855 }
856 if (params.Has("guid2")) {
857 joystick2->EnableMotion();
858 if (joystick2->HasGyro() || joystick2->HasAccel()) {
859 mapping.insert_or_assign(Settings::NativeMotion::MotionLeft,
860 BuildMotionParam(joystick2->GetPort(), joystick2->GetGUID()));
861 }
862 } else {
863 if (joystick->HasGyro() || joystick->HasAccel()) {
864 mapping.insert_or_assign(Settings::NativeMotion::MotionLeft,
865 BuildMotionParam(joystick->GetPort(), joystick->GetGUID()));
866 }
867 }
868
869 return mapping;
870}
871
872Common::Input::ButtonNames SDLDriver::GetUIName(const Common::ParamPackage& params) const {
873 if (params.Has("button")) {
874 // TODO(German77): Find how to substitue the values for real button names
875 return Common::Input::ButtonNames::Value;
876 }
877 if (params.Has("hat")) {
878 return Common::Input::ButtonNames::Value;
879 }
880 if (params.Has("axis")) {
881 return Common::Input::ButtonNames::Value;
882 }
883 if (params.Has("axis_x") && params.Has("axis_y") && params.Has("axis_z")) {
884 return Common::Input::ButtonNames::Value;
885 }
886 if (params.Has("motion")) {
887 return Common::Input::ButtonNames::Engine;
888 }
889
890 return Common::Input::ButtonNames::Invalid;
891}
892
893std::string SDLDriver::GetHatButtonName(u8 direction_value) const {
894 switch (direction_value) {
895 case SDL_HAT_UP:
896 return "up";
897 case SDL_HAT_DOWN:
898 return "down";
899 case SDL_HAT_LEFT:
900 return "left";
901 case SDL_HAT_RIGHT:
902 return "right";
903 default:
904 return {};
905 }
906}
907
908u8 SDLDriver::GetHatButtonId(const std::string& direction_name) const {
909 Uint8 direction;
910 if (direction_name == "up") {
911 direction = SDL_HAT_UP;
912 } else if (direction_name == "down") {
913 direction = SDL_HAT_DOWN;
914 } else if (direction_name == "left") {
915 direction = SDL_HAT_LEFT;
916 } else if (direction_name == "right") {
917 direction = SDL_HAT_RIGHT;
918 } else {
919 direction = 0;
920 }
921 return direction;
922}
923
924} // namespace InputCommon
HIC SVNT DRACONES