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Project Mjölnir: Part 1

Browse source 
Co-authored-by: James Rowe <jroweboy@gmail.com>
Co-authored-by: Its-Rei <kupfel@gmail.com>
This commit is contained in:
Morph 2020-07-22 10:39:53 -04:00
parent b8885aa03b
commit f0fac0c7fb
84 changed files with 8695 additions and 3260 deletions
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2
src/input_common/CMakeLists.txt
View file

@ -7,6 +7,8 @@ add_library(input_common STATIC
main.h
motion_emu.cpp
motion_emu.h
settings.cpp
settings.h
gcadapter/gc_adapter.cpp
gcadapter/gc_adapter.h
gcadapter/gc_poller.cpp

2
src/input_common/gcadapter/gc_poller.cpp
View file

@ -232,7 +232,7 @@ std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::Param
const int port = params.Get("port", 0);
const int axis_x = params.Get("axis_x", 0);
const int axis_y = params.Get("axis_y", 1);
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f);
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get(), range);

50
src/input_common/main.cpp
View file

@ -44,7 +44,6 @@ void Init() {
#ifdef HAVE_SDL2
sdl = SDL::Init();
#endif
udp = CemuhookUDP::Init();
}
@ -103,6 +102,55 @@ std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left,
return circle_pad_param.Serialize();
}
std::vector<Common::ParamPackage> GetInputDevices() {
std::vector<Common::ParamPackage> devices = {
Common::ParamPackage{{"display", "Any"}, {"class", "any"}},
Common::ParamPackage{{"display", "Keyboard"}, {"class", "key"}},
};
#ifdef HAVE_SDL2
auto sdl_devices = sdl->GetInputDevices();
devices.insert(devices.end(), sdl_devices.begin(), sdl_devices.end());
#endif
auto udp_devices = udp->GetInputDevices();
devices.insert(devices.end(), udp_devices.begin(), udp_devices.end());
return devices;
}
std::unordered_map<Settings::NativeButton::Values, Common::ParamPackage> GetButtonMappingForDevice(
const Common::ParamPackage& params) {
std::unordered_map<Settings::NativeButton::Values, Common::ParamPackage> mappings{};
if (!params.Has("class") || params.Get("class", "") == "any") {
return mappings;
}
if (params.Get("class", "") == "key") {
// TODO consider returning the SDL key codes for the default keybindings
}
#ifdef HAVE_SDL2
if (params.Get("class", "") == "sdl") {
return sdl->GetButtonMappingForDevice(params);
}
#endif
return mappings;
}
std::unordered_map<Settings::NativeAnalog::Values, Common::ParamPackage> GetAnalogMappingForDevice(
const Common::ParamPackage& params) {
std::unordered_map<Settings::NativeAnalog::Values, Common::ParamPackage> mappings{};
if (!params.Has("class") || params.Get("class", "") == "any") {
return mappings;
}
if (params.Get("class", "") == "key") {
// TODO consider returning the SDL key codes for the default keybindings
return mappings;
}
#ifdef HAVE_SDL2
if (params.Get("class", "") == "sdl") {
return sdl->GetAnalogMappingForDevice(params);
}
#endif
return mappings;
}
namespace Polling {
std::vector<std::unique_ptr<DevicePoller>> GetPollers(DeviceType type) {

26
src/input_common/main.h
View file

@ -6,8 +6,10 @@
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "input_common/gcadapter/gc_poller.h"
#include "input_common/settings.h"
namespace Common {
class ParamPackage;
@ -42,9 +44,27 @@ std::string GenerateKeyboardParam(int key_code);
std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
int key_modifier, float modifier_scale);
/**
* Return a list of available input devices that this Factory can create a new device with.
* Each returned Parampackage should have a `display` field used for display, a class field for
* backends to determine if this backend is meant to service the request and any other information
* needed to identify this in the backend later.
*/
std::vector<Common::ParamPackage> GetInputDevices();
/**
* Given a ParamPackage for a Device returned from `GetInputDevices`, attempt to get the default
* mapping for the device. This is currently only implemented for the sdl backend devices.
*/
using ButtonMapping = std::unordered_map<Settings::NativeButton::Values, Common::ParamPackage>;
using AnalogMapping = std::unordered_map<Settings::NativeAnalog::Values, Common::ParamPackage>;
ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage&);
AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage&);
namespace Polling {
enum class DeviceType { Button, Analog };
enum class DeviceType { Button, AnalogPreferred };
/**
* A class that can be used to get inputs from an input device like controllers without having to
@ -54,7 +74,9 @@ class DevicePoller {
public:
virtual ~DevicePoller() = default;
/// Setup and start polling for inputs, should be called before GetNextInput
virtual void Start() = 0;
/// If a device_id is provided, events should be filtered to only include events from this
/// device id
virtual void Start(std::string device_id = "") = 0;
/// Stop polling
virtual void Stop() = 0;
/**

19
src/input_common/sdl/sdl.h
View file

@ -6,6 +6,7 @@
#include <memory>
#include <vector>
#include "common/param_package.h"
#include "input_common/main.h"
namespace InputCommon::Polling {
@ -22,14 +23,24 @@ public:
/// Unregisters SDL device factories and shut them down.
virtual ~State() = default;
virtual Pollers GetPollers(Polling::DeviceType type) = 0;
virtual Pollers GetPollers(Polling::DeviceType type) {
return {};
}
virtual std::vector<Common::ParamPackage> GetInputDevices() {
return {};
}
virtual ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage&) {
return {};
}
virtual AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage&) {
return {};
}
};
class NullState : public State {
public:
Pollers GetPollers(Polling::DeviceType type) override {
return {};
}
};
std::unique_ptr<State> Init();

403
src/input_common/sdl/sdl_impl.cpp
View file

@ -7,6 +7,8 @@
#include <cmath>
#include <functional>
#include <mutex>
#include <optional>
#include <sstream>
#include <string>
#include <thread>
#include <tuple>
@ -23,7 +25,8 @@
namespace InputCommon::SDL {
static std::string GetGUID(SDL_Joystick* joystick) {
namespace {
std::string GetGUID(SDL_Joystick* joystick) {
const SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
char guid_str[33];
SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str));
@ -31,7 +34,8 @@ static std::string GetGUID(SDL_Joystick* joystick) {
}
/// Creates a ParamPackage from an SDL_Event that can directly be used to create a ButtonDevice
static Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event);
Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event);
} // Anonymous namespace
static int SDLEventWatcher(void* user_data, SDL_Event* event) {
auto* const sdl_state = static_cast<SDLState*>(user_data);
@ -48,8 +52,10 @@ static int SDLEventWatcher(void* user_data, SDL_Event* event) {
class SDLJoystick {
public:
SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick)
: guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose} {}
SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick,
SDL_GameController* gamecontroller)
: guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose},
sdl_controller{gamecontroller, &SDL_GameControllerClose} {}
void SetButton(int button, bool value) {
std::lock_guard lock{mutex};
@ -115,10 +121,15 @@ public:
return sdl_joystick.get();
}
void SetSDLJoystick(SDL_Joystick* joystick) {
void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) {
sdl_controller.reset(controller);
sdl_joystick.reset(joystick);
}
SDL_GameController* GetSDLGameController() const {
return sdl_controller.get();
}
private:
struct State {
std::unordered_map<int, bool> buttons;
@ -128,6 +139,7 @@ private:
std::string guid;
int port;
std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)> sdl_joystick;
std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> sdl_controller;
mutable std::mutex mutex;
};
@ -136,18 +148,19 @@ std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickByGUID(const std::string& g
const auto it = joystick_map.find(guid);
if (it != joystick_map.end()) {
while (it->second.size() <= static_cast<std::size_t>(port)) {
auto joystick =
std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()), nullptr);
auto joystick = std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()),
nullptr, nullptr);
it->second.emplace_back(std::move(joystick));
}
return it->second[port];
}
auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr);
auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, nullptr);
return joystick_map[guid].emplace_back(std::move(joystick));
}
std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) {
auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id);
auto sdl_controller = SDL_GameControllerFromInstanceID(sdl_id);
const std::string guid = GetGUID(sdl_joystick);
std::lock_guard lock{joystick_map_mutex};
@ -171,23 +184,27 @@ std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_
});
if (nullptr_it != map_it->second.end()) {
// ... and map it
(*nullptr_it)->SetSDLJoystick(sdl_joystick);
(*nullptr_it)->SetSDLJoystick(sdl_joystick, sdl_controller);
return *nullptr_it;
}
// There is no SDLJoystick without a mapped SDL_Joystick
// Create a new SDLJoystick
const int port = static_cast<int>(map_it->second.size());
auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick);
auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_controller);
return map_it->second.emplace_back(std::move(joystick));
}
auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick);
auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_controller);
return joystick_map[guid].emplace_back(std::move(joystick));
}
void SDLState::InitJoystick(int joystick_index) {
SDL_Joystick* sdl_joystick = SDL_JoystickOpen(joystick_index);
SDL_GameController* sdl_gamecontroller = nullptr;
if (SDL_IsGameController(joystick_index)) {
sdl_gamecontroller = SDL_GameControllerOpen(joystick_index);
}
if (!sdl_joystick) {
LOG_ERROR(Input, "failed to open joystick {}", joystick_index);
return;
@ -196,7 +213,7 @@ void SDLState::InitJoystick(int joystick_index) {
std::lock_guard lock{joystick_map_mutex};
if (joystick_map.find(guid) == joystick_map.end()) {
auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick);
auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_gamecontroller);
joystick_map[guid].emplace_back(std::move(joystick));
return;
}
@ -205,11 +222,11 @@ void SDLState::InitJoystick(int joystick_index) {
joystick_guid_list.begin(), joystick_guid_list.end(),
[](const std::shared_ptr<SDLJoystick>& joystick) { return !joystick->GetSDLJoystick(); });
if (it != joystick_guid_list.end()) {
(*it)->SetSDLJoystick(sdl_joystick);
(*it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller);
return;
}
const int port = static_cast<int>(joystick_guid_list.size());
auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick);
auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller);
joystick_guid_list.emplace_back(std::move(joystick));
}
@ -231,7 +248,7 @@ void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) {
// Destruct SDL_Joystick outside the lock guard because SDL can internally call the
// event callback which locks the mutex again.
joystick->SetSDLJoystick(nullptr);
joystick->SetSDLJoystick(nullptr, nullptr);
}
void SDLState::HandleGameControllerEvent(const SDL_Event& event) {
@ -460,7 +477,7 @@ public:
const int port = params.Get("port", 0);
const int axis_x = params.Get("axis_x", 0);
const int axis_y = params.Get("axis_y", 1);
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f);
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
auto joystick = state.GetSDLJoystickByGUID(guid, port);
@ -476,8 +493,10 @@ private:
SDLState::SDLState() {
using namespace Input;
RegisterFactory<ButtonDevice>("sdl", std::make_shared<SDLButtonFactory>(*this));
RegisterFactory<AnalogDevice>("sdl", std::make_shared<SDLAnalogFactory>(*this));
analog_factory = std::make_shared<SDLAnalogFactory>(*this);
button_factory = std::make_shared<SDLButtonFactory>(*this);
RegisterFactory<AnalogDevice>("sdl", analog_factory);
RegisterFactory<ButtonDevice>("sdl", button_factory);
// If the frontend is going to manage the event loop, then we dont start one here
start_thread = !SDL_WasInit(SDL_INIT_JOYSTICK);
@ -485,6 +504,7 @@ SDLState::SDLState() {
LOG_CRITICAL(Input, "SDL_Init(SDL_INIT_JOYSTICK) failed with: {}", SDL_GetError());
return;
}
has_gamecontroller = SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER);
if (SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1") == SDL_FALSE) {
LOG_ERROR(Input, "Failed to set hint for background events with: {}", SDL_GetError());
}
@ -497,7 +517,7 @@ SDLState::SDLState() {
using namespace std::chrono_literals;
while (initialized) {
SDL_PumpEvents();
std::this_thread::sleep_for(10ms);
std::this_thread::sleep_for(5ms);
}
});
}
@ -523,65 +543,233 @@ SDLState::~SDLState() {
}
}
static Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event) {
std::vector<Common::ParamPackage> SDLState::GetInputDevices() {
std::scoped_lock lock(joystick_map_mutex);
std::vector<Common::ParamPackage> devices = {};
for (const auto& [key, value] : joystick_map) {
for (const auto& joystick : value) {
auto controller = joystick->GetSDLGameController();
auto joy = joystick->GetSDLJoystick();
if (controller) {
std::string name =
fmt::format("{} {}", SDL_GameControllerName(controller), joystick->GetPort());
devices.emplace_back(Common::ParamPackage{
{"class", "sdl"},
{"display", name},
{"guid", joystick->GetGUID()},
{"port", std::to_string(joystick->GetPort())},
});
} else if (joy) {
std::string name = fmt::format("{} {}", SDL_JoystickName(joy), joystick->GetPort());
devices.emplace_back(Common::ParamPackage{
{"class", "sdl"},
{"display", name},
{"guid", joystick->GetGUID()},
{"port", std::to_string(joystick->GetPort())},
});
}
}
}
return devices;
}
namespace {
Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, u8 axis,
float value = 0.1) {
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("axis", axis);
if (value > 0) {
params.Set("direction", "+");
params.Set("threshold", "0.5");
} else {
params.Set("direction", "-");
params.Set("threshold", "-0.5");
}
return params;
}
Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid, u8 button) {
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("button", button);
return params;
}
Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, u8 hat, u8 value) {
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("hat", hat);
switch (value) {
case SDL_HAT_UP:
params.Set("direction", "up");
break;
case SDL_HAT_DOWN:
params.Set("direction", "down");
break;
case SDL_HAT_LEFT:
params.Set("direction", "left");
break;
case SDL_HAT_RIGHT:
params.Set("direction", "right");
break;
default:
return {};
}
return params;
}
Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event) {
Common::ParamPackage params{};
switch (event.type) {
case SDL_JOYAXISMOTION: {
const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
params.Set("port", joystick->GetPort());
params.Set("guid", joystick->GetGUID());
params.Set("axis", event.jaxis.axis);
if (event.jaxis.value > 0) {
params.Set("direction", "+");
params.Set("threshold", "0.5");
} else {
params.Set("direction", "-");
params.Set("threshold", "-0.5");
}
params = BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
event.jaxis.axis, event.jaxis.value);
break;
}
case SDL_JOYBUTTONUP: {
const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which);
params.Set("port", joystick->GetPort());
params.Set("guid", joystick->GetGUID());
params.Set("button", event.jbutton.button);
params = BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
event.jbutton.button);
break;
}
case SDL_JOYHATMOTION: {
const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which);
params.Set("port", joystick->GetPort());
params.Set("guid", joystick->GetGUID());
params.Set("hat", event.jhat.hat);
switch (event.jhat.value) {
case SDL_HAT_UP:
params.Set("direction", "up");
break;
case SDL_HAT_DOWN:
params.Set("direction", "down");
break;
case SDL_HAT_LEFT:
params.Set("direction", "left");
break;
case SDL_HAT_RIGHT:
params.Set("direction", "right");
break;
default:
return {};
}
params = BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
event.jhat.hat, event.jhat.value);
break;
}
}
return params;
}
namespace Polling {
Common::ParamPackage BuildParamPackageForBinding(int port, const std::string& guid,
const SDL_GameControllerButtonBind& binding) {
Common::ParamPackage out{};
switch (binding.bindType) {
case SDL_CONTROLLER_BINDTYPE_AXIS:
out = BuildAnalogParamPackageForButton(port, guid, binding.value.axis);
break;
case SDL_CONTROLLER_BINDTYPE_BUTTON:
out = BuildButtonParamPackageForButton(port, guid, binding.value.button);
break;
case SDL_CONTROLLER_BINDTYPE_HAT:
out = BuildHatParamPackageForButton(port, guid, binding.value.hat.hat,
binding.value.hat.hat_mask);
break;
default:
break;
}
return out;
};
Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& guid, int axis_x,
int axis_y) {
Common::ParamPackage params{};
params.Set("engine", "sdl");
params.Set("port", port);
params.Set("guid", guid);
params.Set("axis_x", axis_x);
params.Set("axis_y", axis_y);
return params;
}
} // Anonymous namespace
ButtonMapping SDLState::GetButtonMappingForDevice(const Common::ParamPackage& params) {
// This list is missing ZL/ZR since those are not considered buttons in SDL GameController.
// We will add those afterwards
// This list also excludes Screenshot since theres not really a mapping for that
std::unordered_map<Settings::NativeButton::Values, SDL_GameControllerButton>
switch_to_sdl_button = {
{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B},
{Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A},
{Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y},
{Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X},
{Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
{Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
{Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
{Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
{Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
{Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
{Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
{Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
{Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
};
if (!params.Has("guid") || !params.Has("port")) {
return {};
}
const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
auto controller = joystick->GetSDLGameController();
if (!controller) {
return {};
}
ButtonMapping mapping{};
for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
mapping[switch_button] =
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding);
}
// Add the missing bindings for ZL/ZR
std::unordered_map<Settings::NativeButton::Values, SDL_GameControllerAxis> switch_to_sdl_axis =
{
{Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT},
{Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT},
};
for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
mapping[switch_button] =
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding);
}
return mapping;
}
AnalogMapping SDLState::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
if (!params.Has("guid") || !params.Has("port")) {
return {};
}
const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
auto controller = joystick->GetSDLGameController();
if (!controller) {
return {};
}
AnalogMapping mapping = {};
const auto& binding_left_x =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX);
const auto& binding_left_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY);
mapping[Settings::NativeAnalog::LStick] =
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_left_x.value.axis, binding_left_y.value.axis);
const auto& binding_right_x =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX);
const auto& binding_right_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY);
mapping[Settings::NativeAnalog::RStick] =
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_right_x.value.axis, binding_right_y.value.axis);
return mapping;
}
namespace Polling {
class SDLPoller : public InputCommon::Polling::DevicePoller {
public:
explicit SDLPoller(SDLState& state_) : state(state_) {}
void Start() override {
void Start(std::string device_id) override {
state.event_queue.Clear();
state.polling = true;
}
@ -601,71 +789,106 @@ public:
Common::ParamPackage GetNextInput() override {
SDL_Event event;
while (state.event_queue.Pop(event)) {
switch (event.type) {
case SDL_JOYAXISMOTION:
if (std::abs(event.jaxis.value / 32767.0) < 0.5) {
break;
}
[[fallthrough]];
case SDL_JOYBUTTONUP:
case SDL_JOYHATMOTION:
return SDLEventToButtonParamPackage(state, event);
const auto package = FromEvent(event);
if (package) {
return *package;
}
}
return {};
}
std::optional<Common::ParamPackage> FromEvent(const SDL_Event& event) {
switch (event.type) {
case SDL_JOYAXISMOTION:
if (std::abs(event.jaxis.value / 32767.0) < 0.5) {
break;
}
[[fallthrough]];
case SDL_JOYBUTTONUP:
case SDL_JOYHATMOTION:
return {SDLEventToButtonParamPackage(state, event)};
}
return {};
}
};
class SDLAnalogPoller final : public SDLPoller {
/**
* Attempts to match the press to a controller joy axis (left/right stick) and if a match
* isn't found, checks if the event matches anything from SDLButtonPoller and uses that
* instead
*/
class SDLAnalogPreferredPoller final : public SDLPoller {
public:
explicit SDLAnalogPoller(SDLState& state_) : SDLPoller(state_) {}
void Start() override {
SDLPoller::Start();
explicit SDLAnalogPreferredPoller(SDLState& state_)
: SDLPoller(state_), button_poller(state_) {}
void Start(std::string device_id) override {
SDLPoller::Start(device_id);
// Load the game controller
// Reset stored axes
analog_x_axis = -1;
analog_y_axis = -1;
analog_axes_joystick = -1;
}
Common::ParamPackage GetNextInput() override {
SDL_Event event;
while (state.event_queue.Pop(event)) {
if (event.type != SDL_JOYAXISMOTION || std::abs(event.jaxis.value / 32767.0) < 0.5) {
// Filter out axis events that are below a threshold
if (event.type == SDL_JOYAXISMOTION && std::abs(event.jaxis.value / 32767.0) < 0.5) {
continue;
}
// An analog device needs two axes, so we need to store the axis for later and wait for
// a second SDL event. The axes also must be from the same joystick.
const int axis = event.jaxis.axis;
if (analog_x_axis == -1) {
analog_x_axis = axis;
analog_axes_joystick = event.jaxis.which;
} else if (analog_y_axis == -1 && analog_x_axis != axis &&
analog_axes_joystick == event.jaxis.which) {
analog_y_axis = axis;
// Simplify controller config by testing if game controller support is enabled.
if (event.type == SDL_JOYAXISMOTION) {
const auto axis = event.jaxis.axis;
const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
const auto controller = joystick->GetSDLGameController();
if (controller) {
const auto axis_left_x =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX)
.value.axis;
const auto axis_left_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY)
.value.axis;
const auto axis_right_x =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX)
.value.axis;
const auto axis_right_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY)
.value.axis;
if (axis == axis_left_x || axis == axis_left_y) {
analog_x_axis = axis_left_x;
analog_y_axis = axis_left_y;
break;
} else if (axis == axis_right_x || axis == axis_right_y) {
analog_x_axis = axis_right_x;
analog_y_axis = axis_right_y;
break;
}
}
}
// If the press wasn't accepted as a joy axis, check for a button press
auto button_press = button_poller.FromEvent(event);
if (button_press) {
return *button_press;
}
}
Common::ParamPackage params;
if (analog_x_axis != -1 && analog_y_axis != -1) {
const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
params.Set("engine", "sdl");
params.Set("port", joystick->GetPort());
params.Set("guid", joystick->GetGUID());
params.Set("axis_x", analog_x_axis);
params.Set("axis_y", analog_y_axis);
auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
analog_x_axis, analog_y_axis);
analog_x_axis = -1;
analog_y_axis = -1;
analog_axes_joystick = -1;
return params;
}
return params;
return {};
}
private:
int analog_x_axis = -1;
int analog_y_axis = -1;
SDL_JoystickID analog_axes_joystick = -1;
SDLButtonPoller button_poller;
};
} // namespace Polling
@ -673,8 +896,8 @@ SDLState::Pollers SDLState::GetPollers(InputCommon::Polling::DeviceType type) {
Pollers pollers;
switch (type) {
case InputCommon::Polling::DeviceType::Analog:
pollers.emplace_back(std::make_unique<Polling::SDLAnalogPoller>(*this));
case InputCommon::Polling::DeviceType::AnalogPreferred:
pollers.emplace_back(std::make_unique<Polling::SDLAnalogPreferredPoller>(*this));
break;
case InputCommon::Polling::DeviceType::Button:
pollers.emplace_back(std::make_unique<Polling::SDLButtonPoller>(*this));

8
src/input_common/sdl/sdl_impl.h
View file

@ -50,6 +50,11 @@ public:
std::atomic<bool> polling = false;
Common::SPSCQueue<SDL_Event> event_queue;
std::vector<Common::ParamPackage> GetInputDevices() override;
ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
private:
void InitJoystick(int joystick_index);
void CloseJoystick(SDL_Joystick* sdl_joystick);
@ -57,6 +62,9 @@ private:
/// Needs to be called before SDL_QuitSubSystem.
void CloseJoysticks();
// Set to true if SDL supports game controller subsystem
bool has_gamecontroller = false;
/// Map of GUID of a list of corresponding virtual Joysticks
std::unordered_map<std::string, std::vector<std::shared_ptr<SDLJoystick>>> joystick_map;
std::mutex joystick_map_mutex;

33
src/input_common/settings.cpp Normal file
View file

@ -0,0 +1,33 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "input_common/settings.h"
namespace Settings {
namespace NativeButton {
const std::array<const char*, NumButtons> mapping = {{
"button_a", "button_b", "button_x", "button_y", "button_lstick",
"button_rstick", "button_l", "button_r", "button_zl", "button_zr",
"button_plus", "button_minus", "button_dleft", "button_dup", "button_dright",
"button_ddown", "button_sl", "button_sr", "button_home", "button_screenshot",
}};
}
namespace NativeAnalog {
const std::array<const char*, NumAnalogs> mapping = {{
"lstick",
"rstick",
}};
}
namespace NativeMouseButton {
const std::array<const char*, NumMouseButtons> mapping = {{
"left",
"right",
"middle",
"forward",
"back",
}};
}
} // namespace Settings

335
src/input_common/settings.h Normal file
View file

@ -0,0 +1,335 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <string>
#include "common/common_types.h"
namespace Settings {
namespace NativeButton {
enum Values {
A,
B,
X,
Y,
LStick,
RStick,
L,
R,
ZL,
ZR,
Plus,
Minus,
DLeft,
DUp,
DRight,
DDown,
SL,
SR,
Home,
Screenshot,
NumButtons,
};
constexpr int BUTTON_HID_BEGIN = A;
constexpr int BUTTON_NS_BEGIN = Home;
constexpr int BUTTON_HID_END = BUTTON_NS_BEGIN;
constexpr int BUTTON_NS_END = NumButtons;
constexpr int NUM_BUTTONS_HID = BUTTON_HID_END - BUTTON_HID_BEGIN;
constexpr int NUM_BUTTONS_NS = BUTTON_NS_END - BUTTON_NS_BEGIN;
extern const std::array<const char*, NumButtons> mapping;
} // namespace NativeButton
namespace NativeAnalog {
enum Values {
LStick,
RStick,
NumAnalogs,
};
constexpr int STICK_HID_BEGIN = LStick;
constexpr int STICK_HID_END = NumAnalogs;
constexpr int NUM_STICKS_HID = NumAnalogs;
extern const std::array<const char*, NumAnalogs> mapping;
} // namespace NativeAnalog
namespace NativeMouseButton {
enum Values {
Left,
Right,
Middle,
Forward,
Back,
NumMouseButtons,
};
constexpr int MOUSE_HID_BEGIN = Left;
constexpr int MOUSE_HID_END = NumMouseButtons;
constexpr int NUM_MOUSE_HID = NumMouseButtons;
extern const std::array<const char*, NumMouseButtons> mapping;
} // namespace NativeMouseButton
namespace NativeKeyboard {
enum Keys {
None,
Error,
A = 4,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
L,
M,
N,
O,
P,
Q,
R,
S,
T,
U,
V,
W,
X,
Y,
Z,
N1,
N2,
N3,
N4,
N5,
N6,
N7,
N8,
N9,
N0,
Enter,
Escape,
Backspace,
Tab,
Space,
Minus,
Equal,
LeftBrace,
RightBrace,
Backslash,
Tilde,
Semicolon,
Apostrophe,
Grave,
Comma,
Dot,
Slash,
CapsLockKey,
F1,
F2,
F3,
F4,
F5,
F6,
F7,
F8,
F9,
F10,
F11,
F12,
SystemRequest,
ScrollLockKey,
Pause,
Insert,
Home,
PageUp,
Delete,
End,
PageDown,
Right,
Left,
Down,
Up,
NumLockKey,
KPSlash,
KPAsterisk,
KPMinus,
KPPlus,
KPEnter,
KP1,
KP2,
KP3,
KP4,
KP5,
KP6,
KP7,
KP8,
KP9,
KP0,
KPDot,
Key102,
Compose,
Power,
KPEqual,
F13,
F14,
F15,
F16,
F17,
F18,
F19,
F20,
F21,
F22,
F23,
F24,
Open,
Help,
Properties,
Front,
Stop,
Repeat,
Undo,
Cut,
Copy,
Paste,
Find,
Mute,
VolumeUp,
VolumeDown,
CapsLockActive,
NumLockActive,
ScrollLockActive,
KPComma,
KPLeftParenthesis,
KPRightParenthesis,
LeftControlKey = 0xE0,
LeftShiftKey,
LeftAltKey,
LeftMetaKey,
RightControlKey,
RightShiftKey,
RightAltKey,
RightMetaKey,
MediaPlayPause,
MediaStopCD,
MediaPrevious,
MediaNext,
MediaEject,
MediaVolumeUp,
MediaVolumeDown,
MediaMute,
MediaWebsite,
MediaBack,
MediaForward,
MediaStop,
MediaFind,
MediaScrollUp,
MediaScrollDown,
MediaEdit,
MediaSleep,
MediaCoffee,
MediaRefresh,
MediaCalculator,
NumKeyboardKeys,
};
static_assert(NumKeyboardKeys == 0xFC, "Incorrect number of keyboard keys.");
enum Modifiers {
LeftControl,
LeftShift,
LeftAlt,
LeftMeta,
RightControl,
RightShift,
RightAlt,
RightMeta,
CapsLock,
ScrollLock,
NumLock,
NumKeyboardMods,
};
constexpr int KEYBOARD_KEYS_HID_BEGIN = None;
constexpr int KEYBOARD_KEYS_HID_END = NumKeyboardKeys;
constexpr int NUM_KEYBOARD_KEYS_HID = NumKeyboardKeys;
constexpr int KEYBOARD_MODS_HID_BEGIN = LeftControl;
constexpr int KEYBOARD_MODS_HID_END = NumKeyboardMods;
constexpr int NUM_KEYBOARD_MODS_HID = NumKeyboardMods;
} // namespace NativeKeyboard
using ButtonsRaw = std::array<std::string, NativeButton::NumButtons>;
using AnalogsRaw = std::array<std::string, NativeAnalog::NumAnalogs>;
using MouseButtonsRaw = std::array<std::string, NativeMouseButton::NumMouseButtons>;
using KeyboardKeysRaw = std::array<std::string, NativeKeyboard::NumKeyboardKeys>;
using KeyboardModsRaw = std::array<std::string, NativeKeyboard::NumKeyboardMods>;
constexpr u32 JOYCON_BODY_NEON_RED = 0xFF3C28;
constexpr u32 JOYCON_BUTTONS_NEON_RED = 0x1E0A0A;
constexpr u32 JOYCON_BODY_NEON_BLUE = 0x0AB9E6;
constexpr u32 JOYCON_BUTTONS_NEON_BLUE = 0x001E1E;
enum class ControllerType {
ProController,
DualJoyconDetached,
LeftJoycon,
RightJoycon,
Handheld,
};
struct PlayerInput {
bool connected;
ControllerType controller_type;
ButtonsRaw buttons;
AnalogsRaw analogs;
std::string lstick_mod;
std::string rstick_mod;
u32 body_color_left;
u32 body_color_right;
u32 button_color_left;
u32 button_color_right;
};
struct TouchscreenInput {
bool enabled;
std::string device;
u32 finger;
u32 diameter_x;
u32 diameter_y;
u32 rotation_angle;
};
} // namespace Settings

15
src/input_common/udp/udp.cpp
View file

@ -77,10 +77,11 @@ State::State() {
std::make_unique<Client>(status, Settings::values.udp_input_address,
Settings::values.udp_input_port, Settings::values.udp_pad_index);
Input::RegisterFactory<Input::TouchDevice>("cemuhookudp",
std::make_shared<UDPTouchFactory>(status));
Input::RegisterFactory<Input::MotionDevice>("cemuhookudp",
std::make_shared<UDPMotionFactory>(status));
motion_factory = std::make_shared<UDPMotionFactory>(status);
touch_factory = std::make_shared<UDPTouchFactory>(status);
Input::RegisterFactory<Input::MotionDevice>("cemuhookudp", motion_factory);
Input::RegisterFactory<Input::TouchDevice>("cemuhookudp", touch_factory);
}
State::~State() {
@ -88,6 +89,12 @@ State::~State() {
Input::UnregisterFactory<Input::MotionDevice>("cemuhookudp");
}
std::vector<Common::ParamPackage> State::GetInputDevices() {
std::vector<Common::ParamPackage> devices = {};
// TODO support binding udp devices
return devices;
}
void State::ReloadUDPClient() {
client->ReloadSocket(Settings::values.udp_input_address, Settings::values.udp_input_port,
Settings::values.udp_pad_index);

7
src/input_common/udp/udp.h
View file

@ -5,19 +5,26 @@
#pragma once
#include <memory>
#include <vector>
#include "common/param_package.h"
namespace InputCommon::CemuhookUDP {
class Client;
class UDPMotionFactory;
class UDPTouchFactory;
class State {
public:
State();
~State();
void ReloadUDPClient();
std::vector<Common::ParamPackage> GetInputDevices();
private:
std::unique_ptr<Client> client;
std::shared_ptr<UDPMotionFactory> motion_factory;
std::shared_ptr<UDPTouchFactory> touch_factory;
};
std::unique_ptr<State> Init();