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Refactor input core

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This commit is contained in:
Anon 2016-12-16 22:31:34 -06:00
parent 9d742604a1
commit 9362146672
12 changed files with 313 additions and 295 deletions
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14
src/citra/config.cpp
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@ -45,17 +45,21 @@ static const std::array<int, Settings::NativeInput::NUM_INPUTS> defaults = {
SDL_SCANCODE_L,
// indirectly mapped keys
SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT
};
SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT};
void Config::ReadValues() {
// Controls
for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
Settings::values.input_mappings[Settings::NativeInput::All[i]] =
Settings::InputDeviceMapping(sdl2_config->Get("Controls", Settings::NativeInput::Mapping[i], std::to_string(defaults[i])));
Settings::InputDeviceMapping(sdl2_config->Get(
"Controls", Settings::NativeInput::Mapping[i], std::to_string(defaults[i])));
}
Settings::values.pad_circle_modifier = Settings::InputDeviceMapping(sdl2_config->Get("Controls", "pad_circle_modifier", ""));
Settings::values.pad_circle_modifier_scale = (float)sdl2_config->GetReal("Controls", "pad_circle_modifier_scale", 0.4);
Settings::values.pad_circle_modifier =
Settings::InputDeviceMapping(sdl2_config->Get("Controls", "pad_circle_modifier", ""));
Settings::values.pad_circle_modifier_scale =
(float)sdl2_config->GetReal("Controls", "pad_circle_modifier_scale", 0.4);
Settings::values.pad_circle_deadzone =
(float)sdl2_config->GetReal("Controls", "pad_circle_deadzone", 0.4);
// Core
Settings::values.use_cpu_jit = sdl2_config->GetBoolean("Core", "use_cpu_jit", true);

28
src/citra_qt/config.cpp
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@ -23,17 +23,22 @@ const std::array<QVariant, Settings::NativeInput::NUM_INPUTS> Config::defaults =
Qt::Key_K, Qt::Key_J, Qt::Key_L,
// indirectly mapped keys
Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right
};
Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right};
void Config::ReadValues() {
qt_config->beginGroup("Controls");
for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
Settings::values.input_mappings[Settings::NativeInput::All[i]] =
Settings::InputDeviceMapping(qt_config->value(Settings::NativeInput::Mapping[i], defaults[i]).toString().toStdString());
Settings::InputDeviceMapping(
qt_config->value(Settings::NativeInput::Mapping[i], defaults[i])
.toString()
.toStdString());
}
Settings::values.pad_circle_modifier = Settings::InputDeviceMapping(qt_config->value("pad_circle_modifier", 0).toString().toStdString());
Settings::values.pad_circle_modifier_scale = qt_config->value("pad_circle_modifier_scale", 0.4).toFloat();
Settings::values.pad_circle_modifier = Settings::InputDeviceMapping(
qt_config->value("pad_circle_modifier", 0).toString().toStdString());
Settings::values.pad_circle_modifier_scale =
qt_config->value("pad_circle_modifier_scale", 0.4).toFloat();
Settings::values.pad_circle_deadzone = qt_config->value("pad_circle_deadzone", 0.3f).toFloat();
qt_config->endGroup();
qt_config->beginGroup("Core");
@ -136,11 +141,16 @@ void Config::ReadValues() {
void Config::SaveValues() {
qt_config->beginGroup("Controls");
for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
qt_config->setValue(QString::fromStdString(Settings::NativeInput::Mapping[i]),
QString::fromStdString(Settings::values.input_mappings[Settings::NativeInput::All[i]].ToString()));
qt_config->setValue(
QString::fromStdString(Settings::NativeInput::Mapping[i]),
QString::fromStdString(
Settings::values.input_mappings[Settings::NativeInput::All[i]].ToString()));
}
qt_config->setValue("pad_circle_modifier", QString::fromStdString(Settings::values.pad_circle_modifier.ToString()));
qt_config->setValue("pad_circle_modifier_scale", (double)Settings::values.pad_circle_modifier_scale);
qt_config->setValue("pad_circle_modifier",
QString::fromStdString(Settings::values.pad_circle_modifier.ToString()));
qt_config->setValue("pad_circle_modifier_scale",
(double)Settings::values.pad_circle_modifier_scale);
qt_config->setValue("pad_circle_deadzone", (double)Settings::values.pad_circle_deadzone);
qt_config->endGroup();
qt_config->beginGroup("Core");

54
src/core/settings.h
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@ -46,37 +46,29 @@ enum Values {
CRIGHT,
// indirectly mapped keys
CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT,
CIRCLE_UP,
CIRCLE_DOWN,
CIRCLE_LEFT,
CIRCLE_RIGHT,
NUM_INPUTS
};
static const std::array<const char*, NUM_INPUTS> Mapping = { {
// directly mapped keys
"pad_a", "pad_b", "pad_x", "pad_y",
"pad_l", "pad_r", "pad_zl", "pad_zr",
"pad_start", "pad_select", "pad_home",
"pad_dup", "pad_ddown", "pad_dleft", "pad_dright",
"pad_cup", "pad_cdown", "pad_cleft", "pad_cright",
static const std::array<const char*, NUM_INPUTS> Mapping = {
{// directly mapped keys
"pad_a", "pad_b", "pad_x", "pad_y", "pad_l", "pad_r", "pad_zl", "pad_zr", "pad_start",
"pad_select", "pad_home", "pad_dup", "pad_ddown", "pad_dleft", "pad_dright", "pad_cup",
"pad_cdown", "pad_cleft", "pad_cright",
// indirectly mapped keys
"pad_circle_up", "pad_circle_down", "pad_circle_left", "pad_circle_right"
} };
static const std::array<Values, NUM_INPUTS> All = { {
A, B, X, Y,
L, R, ZL, ZR,
START, SELECT, HOME,
DUP, DDOWN, DLEFT, DRIGHT,
CUP, CDOWN, CLEFT, CRIGHT,
CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT
} };
// indirectly mapped keys
"pad_circle_up", "pad_circle_down", "pad_circle_left", "pad_circle_right"}};
static const std::array<Values, NUM_INPUTS> All = {
{A, B, X, Y, L, R, ZL, ZR,
START, SELECT, HOME, DUP, DDOWN, DLEFT, DRIGHT, CUP,
CDOWN, CLEFT, CRIGHT, CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT}};
}
enum class DeviceFramework {
SDL
};
enum class Device {
Keyboard, Gamepad
};
enum class DeviceFramework { SDL };
enum class Device { Keyboard, Gamepad };
struct InputDeviceMapping {
DeviceFramework framework = DeviceFramework::SDL;
int number = 0;
@ -105,7 +97,8 @@ struct InputDeviceMapping {
}
bool operator==(const InputDeviceMapping& rhs) const {
return std::tie(device, framework, number) == std::tie(rhs.device, rhs.framework, rhs.number);
return std::tie(device, framework, number) ==
std::tie(rhs.device, rhs.framework, rhs.number);
}
bool operator==(const std::string& rhs) const {
return ToString() == rhs;
@ -114,9 +107,7 @@ struct InputDeviceMapping {
return ToString() < rhs.ToString();
}
void InitKey() {
}
void InitKey() {}
std::string ToString() const {
std::string result;
@ -133,7 +124,7 @@ struct InputDeviceMapping {
result += "Gamepad";
result += "/";
result += key;
result += std::to_string(key);
return result;
}
};
@ -146,8 +137,7 @@ struct Values {
std::array<InputDeviceMapping, NativeInput::NUM_INPUTS> input_mappings;
InputDeviceMapping pad_circle_modifier;
float pad_circle_modifier_scale;
float circle_pad_deadzone = 30;
float c_stick_deadzone = 30;
float pad_circle_deadzone;
// Core
bool use_cpu_jit;

6
src/input_core/devices/device.h
View File

@ -20,13 +20,12 @@ public:
* @param keymap: vector of PadStates for device to listen for
* @return true if successful
*/
virtual bool InitDevice(
int number, Settings::InputDeviceMapping device_mapping) = 0;
virtual bool InitDevice(int number, Settings::InputDeviceMapping device_mapping) = 0;
/**
* Process inputs that were pressed since last frame
*/
virtual std::map<Settings::InputDeviceMapping,float> ProcessInput() = 0;
virtual std::map<Settings::InputDeviceMapping, float> ProcessInput() = 0;
/**
* Close connection to device
@ -44,6 +43,7 @@ public:
* Clears info from last frame.
*/
virtual void Clear() = 0;
protected:
Settings::InputDeviceMapping input_device_mapping;
};

29
src/input_core/devices/keyboard.cpp
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@ -11,8 +11,7 @@ Keyboard::Keyboard() {}
Keyboard::~Keyboard() {}
bool Keyboard::InitDevice(
int number, Settings::InputDeviceMapping device_mapping) {
bool Keyboard::InitDevice(int number, Settings::InputDeviceMapping device_mapping) {
// Check if keyboard is mapped for circle up or left. if so, set modifier to -1
/*for (const auto& entry : key_mapping) {
@ -48,32 +47,6 @@ std::map<Settings::InputDeviceMapping, float> Keyboard::ProcessInput() {
input_device_mapping.key = key.first.key;
button_status.emplace(input_device_mapping, key.second ? 1.0 : 0.0);
}
//for (const auto& entry : key_mapping) {
// if (entry.first == "")
// continue;
// int keycode = std::stoi(entry.first);
// KeyboardKey proxy = KeyboardKey(keycode, "");
// // if key is pressed when prev state is unpressed, or if key pressed and is a circle pad
// // direction
// if ((keysPressedCopy[proxy] == true && keys_pressed_last[keycode] == false) ||
// (keysPressedCopy[proxy] == true && circle_pad_directions.count(keycode))) {
// for (const auto& key : entry.second) {
// if (circle_pad_directions.count(keycode)) { // If is analog key press
// float modifier =
// (circlePadModPressed) ? Settings::values.pad_circle_modifier_scale : 1;
// KeyMap::PressKey(key, circle_pad_directions[keycode] * modifier);
// } else // Is digital key press
// KeyMap::PressKey(key, 1.0);
// }
// keys_pressed_last[keycode] = true;
// } else if (keysPressedCopy[proxy] == false && keys_pressed_last[keycode] == true) {
// for (const auto& key : entry.second) {
// KeyMap::ReleaseKey(key);
// }
// keys_pressed_last[keycode] = false;
// }
//}
return button_status;
}

5
src/input_core/devices/keyboard.h
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@ -31,8 +31,7 @@ class Keyboard : public IDevice {
public:
Keyboard();
~Keyboard();
bool InitDevice(
int number, Settings::InputDeviceMapping device_mapping) override;
bool InitDevice(int number, Settings::InputDeviceMapping device_mapping) override;
std::map<Settings::InputDeviceMapping, float> ProcessInput() override;
bool CloseDevice() override;
void KeyPressed(KeyboardKey key);
@ -45,6 +44,6 @@ private:
std::map<int, bool> keys_pressed_last;
std::mutex m; ///< Keys pressed from frontend is on a separate thread.
std::map<int, float> circle_pad_directions; ///< Inverts the strength of key press if it is a
///circle pad direction that needs it.
/// circle pad direction that needs it.
KeyboardKey circle_pad_modifier;
};

31
src/input_core/devices/sdl_gamepad.cpp
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@ -23,8 +23,7 @@ SDLGamepad::~SDLGamepad() {
CloseDevice();
}
bool SDLGamepad::InitDevice(
int number, Settings::InputDeviceMapping device_mapping) {
bool SDLGamepad::InitDevice(int number, Settings::InputDeviceMapping device_mapping) {
if (!SDLGamepad::SDLInitialized && SDL_Init(SDL_INIT_GAMECONTROLLER) < 0) {
LOG_CRITICAL(Input, "SDL_Init(SDL_INIT_GAMECONTROLLER) failed");
return false;
@ -56,26 +55,24 @@ std::map<Settings::InputDeviceMapping, float> SDLGamepad::ProcessInput() {
for (int i = 0; i < SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_MAX; i++) {
SDL_GameControllerButton button = static_cast<SDL_GameControllerButton>(i);
Uint8 pressed = SDL_GameControllerGetButton(gamepad, button);
input_device_mapping.key = static_cast<int>(gamepadinput_to_sdlname_mapping2[SDL_GameControllerGetStringForButton(button)]);
input_device_mapping.key = static_cast<int>(
gamepadinput_to_sdlname_mapping2[SDL_GameControllerGetStringForButton(button)]);
button_status.emplace(input_device_mapping, pressed);
}
for (int i = 0; i < SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_MAX; i++) {
SDL_GameControllerAxis axis = static_cast<SDL_GameControllerAxis>(i);
float strength = fmaxf(-1, (float)SDL_GameControllerGetAxis(gamepad, axis) / 32767.0);
input_device_mapping.key = static_cast<int>(gamepadinput_to_sdlname_mapping2[SDL_GameControllerGetStringForAxis(axis)]);
if (strength < 0)
input_device_mapping.key += 1; //minus axis value is always one greater
button_status.emplace(input_device_mapping, strength);
//for (const auto& padstate : entry.second) {
//// TODO: calculate deadzone by radial field rather than axial field. (sqrt(x^2 +
//// y^2) > deadzone)
//// dont process if in deadzone. Replace later with settings for deadzone.
//if (abs(value) < 0.2 * 32767.0)
//KeyMap::ReleaseKey(padstate);
//else
//KeyMap::PressKey(padstate, (float)value / 32767.0);
//}
input_device_mapping.key = static_cast<int>(
gamepadinput_to_sdlname_mapping2[SDL_GameControllerGetStringForAxis(axis)]);
if (strength < 0) {
button_status.emplace(input_device_mapping, 0);
input_device_mapping.key += 1; // minus axis value is always one greater
button_status.emplace(input_device_mapping, abs(strength));
} else {
button_status.emplace(input_device_mapping, abs(strength));
input_device_mapping.key += 1; // minus axis value is always one greater
button_status.emplace(input_device_mapping, 0);
}
}
return button_status;
}

53
src/input_core/devices/sdl_gamepad.h
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@ -13,8 +13,7 @@ public:
SDLGamepad(int number_, _SDL_GameController* gamepad_);
~SDLGamepad();
bool InitDevice(
int number, Settings::InputDeviceMapping device_mapping) override;
bool InitDevice(int number, Settings::InputDeviceMapping device_mapping) override;
std::map<Settings::InputDeviceMapping, float> ProcessInput() override;
bool CloseDevice() override;
Settings::InputDeviceMapping GetInput() override;
@ -30,7 +29,6 @@ public:
LeftShoulder,
RightShoulder,
Start,
Guide,
Back,
DPadUp,
DpadDown,
@ -81,31 +79,30 @@ private:
{GamepadInputs::RightXMinus, "rightx"},
};
std::map<std::string, GamepadInputs> gamepadinput_to_sdlname_mapping2 = {
{ "a", GamepadInputs::ButtonA },
{ "b", GamepadInputs::ButtonB },
{ "x", GamepadInputs::ButtonX },
{ "y", GamepadInputs::ButtonY },
{ "leftshoulder", GamepadInputs::LeftShoulder },
{ "rightshoulder", GamepadInputs::RightShoulder },
{ "start", GamepadInputs::Start },
{ "back", GamepadInputs::Back },
{ "dpup", GamepadInputs::DPadUp },
{ "dpdown", GamepadInputs::DpadDown },
{ "dpleft", GamepadInputs::DpadLeft },
{ "dpright", GamepadInputs::DpadRight },
{ "leftstick", GamepadInputs::L3 },
{ "rightstick", GamepadInputs::R3 },
{ "lefttrigger", GamepadInputs::LeftTrigger },
{ "righttrigger", GamepadInputs::RightTrigger },
{ "lefty", GamepadInputs::LeftYPlus },
{ "lefty2", GamepadInputs::LeftYMinus },
{ "leftx", GamepadInputs::LeftXPlus },
{ "leftx2", GamepadInputs::LeftXMinus },
{ "righty", GamepadInputs::RightYPlus },
{ "righty2", GamepadInputs::RightYMinus },
{ "rightx", GamepadInputs::RightXPlus },
{ "rightx2", GamepadInputs::RightXMinus }
};
{"a", GamepadInputs::ButtonA},
{"b", GamepadInputs::ButtonB},
{"x", GamepadInputs::ButtonX},
{"y", GamepadInputs::ButtonY},
{"leftshoulder", GamepadInputs::LeftShoulder},
{"rightshoulder", GamepadInputs::RightShoulder},
{"start", GamepadInputs::Start},
{"back", GamepadInputs::Back},
{"dpup", GamepadInputs::DPadUp},
{"dpdown", GamepadInputs::DpadDown},
{"dpleft", GamepadInputs::DpadLeft},
{"dpright", GamepadInputs::DpadRight},
{"leftstick", GamepadInputs::L3},
{"rightstick", GamepadInputs::R3},
{"lefttrigger", GamepadInputs::LeftTrigger},
{"righttrigger", GamepadInputs::RightTrigger},
{"lefty", GamepadInputs::LeftYPlus},
{"lefty2", GamepadInputs::LeftYMinus},
{"leftx", GamepadInputs::LeftXPlus},
{"leftx2", GamepadInputs::LeftXMinus},
{"righty", GamepadInputs::RightYPlus},
{"righty2", GamepadInputs::RightYMinus},
{"rightx", GamepadInputs::RightXPlus},
{"rightx2", GamepadInputs::RightXMinus}};
static bool SDLInitialized;
std::map<std::string, bool>
keys_pressed; ///< Map of keys that were pressed on previous iteration

202
src/input_core/input_core.cpp
View File

@ -5,7 +5,6 @@
#include <algorithm>
#include <chrono>
#include <map>
#include <mutex>
#include "core/core_timing.h"
@ -13,106 +12,152 @@
#include "input_core/devices/sdl_gamepad.h"
#include "input_core/input_core.h"
namespace InputCore {
constexpr u64 frame_ticks = 268123480ull / 60;
static int tick_event;
static Service::HID::PadState pad_state;
static std::tuple<s16, s16> circle_pad = {0, 0};
static std::shared_ptr<Keyboard> main_keyboard; ///< Keyboard is always active for Citra
static std::vector<std::shared_ptr<IDevice>>
devices; ///< Devices that are handling input for the game
static std::map<Settings::InputDeviceMapping, std::vector<Service::HID::PadState>> key_mappings;
std::map<Service::HID::PadState, bool> keys_pressed; ///< keys that were pressed on previous frame.
static std::mutex pad_state_mutex;
static std::mutex touch_mutex;
static u16 touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320)
static u16 touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240)
static bool touch_pressed; ///< True if touchpad area is currently pressed, otherwise false
int InputCore::tick_event;
Service::HID::PadState InputCore::pad_state;
std::tuple<s16, s16> InputCore::circle_pad;
std::shared_ptr<Keyboard> InputCore::main_keyboard; ///< Keyboard is always active for Citra
std::vector<std::shared_ptr<IDevice>>
InputCore::devices; ///< Devices that are handling input for the game
std::map<Settings::InputDeviceMapping, std::vector<Service::HID::PadState>> InputCore::key_mappings;
std::map<Service::HID::PadState, bool>
InputCore::keys_pressed; ///< keys that were pressed on previous frame.
std::mutex InputCore::pad_state_mutex;
std::mutex InputCore::touch_mutex;
u16 InputCore::touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320)
u16 InputCore::touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240)
bool InputCore::touch_pressed; ///< True if touchpad area is currently pressed, otherwise false
const float default_deadzone = 0.5;
static void UpdateEmulatorInputs(std::map<Settings::InputDeviceMapping, float> inputs) {
for (auto& inputMapping : inputs) { //Loop through all buttons from input device
float strength = inputMapping.second;
auto emulator_inputs = key_mappings[inputMapping.first];
for (auto& emulator_input : emulator_inputs) {
if (std::find(std::begin(KeyMap::analog_inputs), std::end(KeyMap::analog_inputs), emulator_input) ==
std::end(KeyMap::analog_inputs)) { // digital button
if (strength < 0.5 && keys_pressed[emulator_input] == true) {
pad_state.hex &= ~emulator_input.hex;
keys_pressed[emulator_input] = false;
}
else if (strength >= 0.5 && keys_pressed[emulator_input] == false) {
pad_state.hex |= emulator_input.hex;
keys_pressed[emulator_input] = true;
}
}
else { // analog stick
if (emulator_input == Service::HID::PAD_CIRCLE_UP || emulator_input == Service::HID::PAD_CIRCLE_DOWN) {
std::get<1>(circle_pad) = KeyMap::MAX_CIRCLEPAD_POS * strength * -1;
}
else if (emulator_input == Service::HID::PAD_CIRCLE_LEFT ||
emulator_input == Service::HID::PAD_CIRCLE_RIGHT) {
std::get<0>(circle_pad) = KeyMap::MAX_CIRCLEPAD_POS * strength;
}
}
}
}
void InputCore::Init() {
ParseSettings();
tick_event = CoreTiming::RegisterEvent("InputCore::tick_event", InputTickCallback);
CoreTiming::ScheduleEvent(frame_ticks, tick_event);
}
static void InputTickCallback(u64, int cycles_late) {
void InputCore::Shutdown() {
CoreTiming::UnscheduleEvent(tick_event, 0);
devices.clear();
}
void InputCore::InputTickCallback(u64, int cycles_late) {
std::vector<std::map<Settings::InputDeviceMapping, float>> inputs;
for (auto& device : devices) {
auto inputs = device->ProcessInput();
UpdateEmulatorInputs(inputs);
inputs.push_back(device->ProcessInput());
}
UpdateEmulatorInputs(inputs);
Service::HID::Update();
// Reschedule recurrent event
CoreTiming::ScheduleEvent(frame_ticks - cycles_late, tick_event);
}
void InputCore::UpdateEmulatorInputs(
std::vector<std::map<Settings::InputDeviceMapping, float>> inputs) {
std::lock_guard<std::mutex> lock(pad_state_mutex);
// Apply deadzone
float leftx = 0, lefty = 0;
float circle_pad_modifier = 1.0;
auto circle_pad_modifier_mapping = Settings::values.pad_circle_modifier;
for (auto& input_device : inputs) {
for (auto& button_states : input_device) { // Loop through all buttons from input device
float strength = button_states.second;
auto emulator_inputs = key_mappings[button_states.first];
for (auto& emulator_input : emulator_inputs) {
if (emulator_input == Service::HID::PAD_CIRCLE_UP && abs(strength) > 0) {
lefty = -strength;
} else if (emulator_input == Service::HID::PAD_CIRCLE_DOWN && abs(strength) > 0) {
lefty = strength;
} else if (emulator_input == Service::HID::PAD_CIRCLE_LEFT && abs(strength) > 0) {
leftx = -strength;
} else if (emulator_input == Service::HID::PAD_CIRCLE_RIGHT && abs(strength) > 0) {
leftx = strength;
}
}
if (button_states.first == circle_pad_modifier_mapping)
circle_pad_modifier = (button_states.second > default_deadzone)
? Settings::values.pad_circle_modifier_scale
: 1.0;
}
}
float deadzone = Settings::values.pad_circle_deadzone;
std::tuple<float, float> left_stick = ApplyDeadzone(leftx, lefty, deadzone);
Service::HID::PadState GetPadState() {
for (auto& input_device : inputs) {
for (auto& button_states : input_device) { // Loop through all buttons from input device
float strength = button_states.second;
auto emulator_inputs = key_mappings[button_states.first];
for (auto& emulator_input : emulator_inputs) {
if (std::find(std::begin(KeyMap::analog_inputs), std::end(KeyMap::analog_inputs),
emulator_input) ==
std::end(KeyMap::analog_inputs)) { // digital button
if (abs(strength) < default_deadzone && keys_pressed[emulator_input] == true) {
pad_state.hex &= ~emulator_input.hex;
keys_pressed[emulator_input] = false;
} else if (abs(strength) >= default_deadzone &&
keys_pressed[emulator_input] == false) {
pad_state.hex |= emulator_input.hex;
keys_pressed[emulator_input] = true;
}
} else { // analog stick
if (emulator_input == Service::HID::PAD_CIRCLE_UP ||
emulator_input == Service::HID::PAD_CIRCLE_DOWN) {
std::get<1>(circle_pad) = std::get<1>(left_stick) *
KeyMap::MAX_CIRCLEPAD_POS * -1 *
circle_pad_modifier;
} else if (emulator_input == Service::HID::PAD_CIRCLE_LEFT ||
emulator_input == Service::HID::PAD_CIRCLE_RIGHT) {
std::get<0>(circle_pad) = std::get<0>(left_stick) *
KeyMap::MAX_CIRCLEPAD_POS * circle_pad_modifier;
}
}
}
}
}
}
Service::HID::PadState InputCore::GetPadState() {
std::lock_guard<std::mutex> lock(pad_state_mutex);
return pad_state;
}
void SetPadState(const Service::HID::PadState& state) {
void InputCore::SetPadState(const Service::HID::PadState& state) {
std::lock_guard<std::mutex> lock(pad_state_mutex);
pad_state.hex = state.hex;
}
std::tuple<s16, s16> GetCirclePad() {
std::tuple<s16, s16> InputCore::GetCirclePad() {
return circle_pad;
}
void SetCirclePad(std::tuple<s16, s16> pad) {
void InputCore::SetCirclePad(std::tuple<s16, s16> pad) {
circle_pad = pad;
}
std::shared_ptr<Keyboard> GetKeyboard() {
std::shared_ptr<Keyboard> InputCore::GetKeyboard() {
if (main_keyboard == nullptr)
main_keyboard = std::make_shared<Keyboard>();
return main_keyboard;
}
std::tuple<u16, u16, bool> GetTouchState() {
std::tuple<u16, u16, bool> InputCore::GetTouchState() {
std::lock_guard<std::mutex> lock(touch_mutex);
return std::make_tuple(touch_x, touch_y, touch_pressed);
}
void SetTouchState(std::tuple<u16, u16, bool> value) {
void InputCore::SetTouchState(std::tuple<u16, u16, bool> value) {
std::lock_guard<std::mutex> lock(touch_mutex);
std::tie(touch_x, touch_y, touch_pressed) = value;
}
/// Helper method to check if device was already initialized
bool CheckIfMappingExists(const std::vector<Settings::InputDeviceMapping>& uniqueMapping,
Settings::InputDeviceMapping mappingToCheck) {
bool InputCore::CheckIfMappingExists(const std::vector<Settings::InputDeviceMapping>& uniqueMapping,
Settings::InputDeviceMapping mappingToCheck) {
return std::any_of(uniqueMapping.begin(), uniqueMapping.end(),
[mappingToCheck](const auto& mapping) { return mapping == mappingToCheck; });
}
/// Get Unique input mappings from settings
static std::vector<Settings::InputDeviceMapping> GatherUniqueMappings() {
std::vector<Settings::InputDeviceMapping> InputCore::GatherUniqueMappings() {
std::vector<Settings::InputDeviceMapping> uniqueMappings;
for (const auto& mapping : Settings::values.input_mappings) {
@ -120,11 +165,14 @@ static std::vector<Settings::InputDeviceMapping> GatherUniqueMappings() {
uniqueMappings.push_back(mapping);
}
}
if (!CheckIfMappingExists(uniqueMappings, Settings::values.pad_circle_modifier)) {
uniqueMappings.push_back(Settings::values.pad_circle_modifier);
}
return uniqueMappings;
}
/// Builds map of input keys to 3ds buttons for unique device
static void BuildKeyMapping() {
void InputCore::BuildKeyMapping() {
key_mappings.clear();
for (size_t i = 0; i < Settings::values.input_mappings.size(); i++) {
auto val = KeyMap::mapping_targets[i];
@ -135,7 +183,7 @@ static void BuildKeyMapping() {
}
/// Generate a device for each unique mapping
static void GenerateUniqueDevices() {
void InputCore::GenerateUniqueDevices() {
auto uniqueMappings = GatherUniqueMappings();
devices.clear();
std::shared_ptr<IDevice> input;
@ -159,29 +207,49 @@ static void GenerateUniqueDevices() {
input->InitDevice(mapping.number, mapping);
}
if (main_keyboard == nullptr) {
main_keyboard = std::make_shared<Keyboard>();
devices.push_back(main_keyboard);
}
}
/// Read settings to initialize devices
void ParseSettings() {
void InputCore::ParseSettings() {
GenerateUniqueDevices();
}
void ReloadSettings() {
std::tuple<float, float> InputCore::ApplyDeadzone(float x, float y, float dead_zone) {
float magnitude = sqrt((x * x) + (y * y));
if (magnitude < dead_zone) {
x = 0;
y = 0;
} else {
float normalized_x = x / magnitude;
float normalized_y = y / magnitude;
x = normalized_x * ((magnitude - dead_zone) / (1 - dead_zone));
y = normalized_y * ((magnitude - dead_zone) / (1 - dead_zone));
}
return std::tuple<float, float>(x, y);
}
void InputCore::ReloadSettings() {
if (devices.empty())
return;
std::lock_guard<std::mutex> lock(pad_state_mutex);
devices.clear();
ParseSettings();
}
/// Returns all available input devices. Used for key binding in GUI
std::vector<std::shared_ptr<IDevice>> GetAllDevices() {
std::vector<std::shared_ptr<IDevice>> InputCore::GetAllDevices() {
auto all_devices = SDLGamepad::GetAllDevices();
all_devices.push_back(InputCore::GetKeyboard());
return all_devices;
}
Settings::InputDeviceMapping DetectInput(int max_time, std::function<void(void)> update_GUI) {
Settings::InputDeviceMapping InputCore::DetectInput(int max_time,
std::function<void(void)> update_GUI) {
auto devices = GetAllDevices();
for (auto& device : devices) {
device->Clear();
@ -204,15 +272,3 @@ Settings::InputDeviceMapping DetectInput(int max_time, std::function<void(void)>
};
return input_device;
}
void Init() {
ParseSettings();
tick_event = CoreTiming::RegisterEvent("InputCore::tick_event", InputTickCallback);
CoreTiming::ScheduleEvent(frame_ticks, tick_event);
}
void Shutdown() {
CoreTiming::UnscheduleEvent(tick_event, 0);
devices.clear();
}
}

142
src/input_core/input_core.h
View File

@ -6,6 +6,7 @@
#include <functional>
#include <memory>
#include <mutex>
#include <tuple>
#include "core/hle/service/hid/hid.h"
@ -14,66 +15,101 @@
class Keyboard;
namespace InputCore {
static class InputCore {
public:
static void Init();
static void Shutdown();
void Init();
void Shutdown();
/**
* Threadsafe getter to the current PadState
* @return Service::HID::PadState instance
*/
static Service::HID::PadState GetPadState();
/**
* Threadsafe getter to the current PadState
* @return Service::HID::PadState instance
*/
Service::HID::PadState GetPadState();
/**
* Threadsafe setter for the current PadState
* @param state New PadState to overwrite current PadState.
*/
static void SetPadState(const Service::HID::PadState& state);
/**
* Threadsafe setter for the current PadState
* @param state New PadState to overwrite current PadState.
*/
void SetPadState(const Service::HID::PadState& state);
/**
* Getter for current CirclePad
* @return std::tuple<s16, s16> CirclePad state
*/
static std::tuple<s16, s16> GetCirclePad();
/**
* Getter for current CirclePad
* @return std::tuple<s16, s16> CirclePad state
*/
std::tuple<s16, s16> GetCirclePad();
/**
* Setter for current CirclePad
* @param circle New CirclePad state
*/
static void SetCirclePad(std::tuple<s16, s16> circle);
/**
* Setter for current CirclePad
* @param circle New CirclePad state
*/
void SetCirclePad(std::tuple<s16, s16> circle);
/**
* Getter for Citra's main keyboard input handler
* @return std::shared_ptr<Keyboard> Device Keyboard instance
*/
static std::shared_ptr<Keyboard> GetKeyboard();
/**
* Getter for Citra's main keyboard input handler
* @return std::shared_ptr<Keyboard> Device Keyboard instance
*/
std::shared_ptr<Keyboard> GetKeyboard();
/**
* Gets the current touch screen state (touch X/Y coordinates and whether or not it is pressed).
* Threadsafe.
* @note This should be called by the core emu thread to get a state set by the window thread.
* @return std::tuple of (x, y, pressed) where `x` and `y` are the touch coordinates and
* `pressed` is true if the touch screen is currently being pressed
*/
static std::tuple<u16, u16, bool> GetTouchState();
/**
* Gets the current touch screen state (touch X/Y coordinates and whether or not it is pressed).
* Threadsafe.
* @note This should be called by the core emu thread to get a state set by the window thread.
* @return std::tuple of (x, y, pressed) where `x` and `y` are the touch coordinates and
* `pressed` is true if the touch screen is currently being pressed
*/
std::tuple<u16, u16, bool> GetTouchState();
/**
* Threadsafe setter for the current touch screen state.
* @param value New Touch State
*/
static void SetTouchState(std::tuple<u16, u16, bool> value);
/**
* Threadsafe setter for the current touch screen state.
* @param value New Touch State
*/
void SetTouchState(std::tuple<u16, u16, bool> value);
/**
* Reload input key mapping settings during game-play
*/
static void ReloadSettings();
/**
* Reload input key mapping settings during game-play
*/
void ReloadSettings();
static std::vector<std::shared_ptr<IDevice>> GetAllDevices();
/**
* Loops through all devices and detects the first device that produces an input
* @param max_time: maximum amount of time to wait until input detected, in milliseconds.
* @param update_GUI: function to run in while loop to process any gui events.
* @return Settings::InputDeviceMapping of input device
*/
Settings::InputDeviceMapping DetectInput(int max_time, std::function<void(void)> update_GUI);
}
/**
* Loops through all devices and detects the first device that produces an input
* @param max_time: maximum amount of time to wait until input detected, in milliseconds.
* @param update_GUI: function to run in while loop to process any gui events.
* @return Settings::InputDeviceMapping of input device
*/
static Settings::InputDeviceMapping DetectInput(int max_time,
std::function<void(void)> update_GUI);
private:
static int tick_event;
static Service::HID::PadState pad_state;
static std::tuple<s16, s16> circle_pad;
static std::shared_ptr<Keyboard> main_keyboard; ///< Keyboard is always active for Citra
static std::vector<std::shared_ptr<IDevice>>
devices; ///< Devices that are handling input for the game
static std::map<Settings::InputDeviceMapping, std::vector<Service::HID::PadState>> key_mappings;
static std::map<Service::HID::PadState, bool>
keys_pressed; ///< keys that were pressed on previous frame.
static std::mutex pad_state_mutex;
static std::mutex touch_mutex;
static u16 touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320)
static u16 touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240)
static bool touch_pressed; ///< True if touchpad area is currently pressed, otherwise false
static void UpdateEmulatorInputs(
std::vector<std::map<Settings::InputDeviceMapping, float>> inputs);
static void InputTickCallback(u64, int cycles_late);
static bool CheckIfMappingExists(const std::vector<Settings::InputDeviceMapping>& uniqueMapping,
Settings::InputDeviceMapping mappingToCheck);
static std::vector<Settings::InputDeviceMapping> GatherUniqueMappings();
static void BuildKeyMapping();
static void GenerateUniqueDevices();
static void ParseSettings();
static std::tuple<float, float> ApplyDeadzone(float x, float y, float dead_zone);
};

38
src/input_core/key_map.cpp
View File

@ -31,42 +31,4 @@ const std::array<Service::HID::PadState, Settings::NativeInput::NUM_INPUTS> mapp
const std::array<Service::HID::PadState, 4> analog_inputs = {
Service::HID::PAD_CIRCLE_UP, Service::HID::PAD_CIRCLE_DOWN, Service::HID::PAD_CIRCLE_LEFT,
Service::HID::PAD_CIRCLE_RIGHT};
void PressKey(const Service::HID::PadState target, const float strength) {
auto pad_state = InputCore::GetPadState();
// If is digital keytarget
if (std::find(std::begin(analog_inputs), std::end(analog_inputs), target) ==
std::end(analog_inputs)) {
pad_state.hex |= target.hex;
InputCore::SetPadState(pad_state);
} else { // it is analog input
auto circle_pad = InputCore::GetCirclePad();
if (target == Service::HID::PAD_CIRCLE_UP || target == Service::HID::PAD_CIRCLE_DOWN) {
std::get<1>(circle_pad) = MAX_CIRCLEPAD_POS * strength * -1;
} else if (target == Service::HID::PAD_CIRCLE_LEFT ||
target == Service::HID::PAD_CIRCLE_RIGHT) {
std::get<0>(circle_pad) = MAX_CIRCLEPAD_POS * strength;
}
InputCore::SetCirclePad(circle_pad);
}
}
void ReleaseKey(const Service::HID::PadState target) {
auto pad_state = InputCore::GetPadState();
// If is digital keytarget
if (std::find(std::begin(analog_inputs), std::end(analog_inputs), target) ==
std::end(analog_inputs)) {
pad_state.hex &= ~target.hex;
InputCore::SetPadState(pad_state);
} else { // it is analog input
auto circle_pad = InputCore::GetCirclePad();
if (target == Service::HID::PAD_CIRCLE_UP || target == Service::HID::PAD_CIRCLE_DOWN) {
std::get<1>(circle_pad) = 0;
} else if (target == Service::HID::PAD_CIRCLE_LEFT ||
target == Service::HID::PAD_CIRCLE_RIGHT) {
std::get<0>(circle_pad) = 0;
}
InputCore::SetCirclePad(circle_pad);
}
}
}

6
src/input_core/key_map.h
View File

@ -15,10 +15,4 @@ namespace KeyMap {
extern const std::array<Service::HID::PadState, Settings::NativeInput::NUM_INPUTS> mapping_targets;
extern const std::array<Service::HID::PadState, 4> analog_inputs;
constexpr int MAX_CIRCLEPAD_POS = 0x9C; /// Max value for a circle pad position
/// Handles the pressing of a key and modifies InputCore state
void PressKey(Service::HID::PadState target, float strength);
/// Handles the releasing of a key and modifies InputCore state
void ReleaseKey(Service::HID::PadState target);
}