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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <thread>
#include "common/param_package.h"
#include "input_common/analog_from_button.h"
#include "input_common/gcadapter/gc_adapter.h"
#include "input_common/gcadapter/gc_poller.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
#include "input_common/motion_emu.h"
#include "input_common/touch_from_button.h"
#include "input_common/udp/udp.h"
#ifdef HAVE_SDL2
#include "input_common/sdl/sdl.h"
#endif
namespace InputCommon {
struct InputSubsystem::Impl {
void Initialize() {
auto gcadapter = std::make_shared<GCAdapter::Adapter>();
gcbuttons = std::make_shared<GCButtonFactory>(gcadapter);
Input::RegisterFactory<Input::ButtonDevice>("gcpad", gcbuttons);
gcanalog = std::make_shared<GCAnalogFactory>(gcadapter);
Input::RegisterFactory<Input::AnalogDevice>("gcpad", gcanalog);
keyboard = std::make_shared<Keyboard>();
Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
std::make_shared<AnalogFromButton>());
motion_emu = std::make_shared<MotionEmu>();
Input::RegisterFactory<Input::MotionDevice>("motion_emu", motion_emu);
Input::RegisterFactory<Input::TouchDevice>("touch_from_button",
std::make_shared<TouchFromButtonFactory>());
#ifdef HAVE_SDL2
sdl = SDL::Init();
#endif
udp = CemuhookUDP::Init();
}
void Shutdown() {
Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
keyboard.reset();
Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
Input::UnregisterFactory<Input::MotionDevice>("motion_emu");
motion_emu.reset();
Input::UnregisterFactory<Input::TouchDevice>("touch_from_button");
#ifdef HAVE_SDL2
sdl.reset();
#endif
udp.reset();
Input::UnregisterFactory<Input::ButtonDevice>("gcpad");
Input::UnregisterFactory<Input::AnalogDevice>("gcpad");
gcbuttons.reset();
gcanalog.reset();
}
[[nodiscard]] std::vector<Common::ParamPackage> GetInputDevices() const {
std::vector<Common::ParamPackage> devices = {
Common::ParamPackage{{"display", "Any"}, {"class", "any"}},
Common::ParamPackage{{"display", "Keyboard/Mouse"}, {"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;
}
[[nodiscard]] AnalogMapping GetAnalogMappingForDevice(
const Common::ParamPackage& params) const {
if (!params.Has("class") || params.Get("class", "") == "any") {
return {};
}
if (params.Get("class", "") == "key") {
// TODO consider returning the SDL key codes for the default keybindings
return {};
}
#ifdef HAVE_SDL2
if (params.Get("class", "") == "sdl") {
return sdl->GetAnalogMappingForDevice(params);
}
#endif
return {};
}
[[nodiscard]] ButtonMapping GetButtonMappingForDevice(
const Common::ParamPackage& params) const {
if (!params.Has("class") || params.Get("class", "") == "any") {
return {};
}
if (params.Get("class", "") == "key") {
// TODO consider returning the SDL key codes for the default keybindings
return {};
}
#ifdef HAVE_SDL2
if (params.Get("class", "") == "sdl") {
return sdl->GetButtonMappingForDevice(params);
}
#endif
return {};
}
std::shared_ptr<Keyboard> keyboard;
std::shared_ptr<MotionEmu> motion_emu;
#ifdef HAVE_SDL2
std::unique_ptr<SDL::State> sdl;
#endif
std::unique_ptr<CemuhookUDP::State> udp;
std::shared_ptr<GCButtonFactory> gcbuttons;
std::shared_ptr<GCAnalogFactory> gcanalog;
};
InputSubsystem::InputSubsystem() : impl{std::make_unique<Impl>()} {}
InputSubsystem::~InputSubsystem() = default;
void InputSubsystem::Initialize() {
impl->Initialize();
}
void InputSubsystem::Shutdown() {
impl->Shutdown();
}
Keyboard* InputSubsystem::GetKeyboard() {
return impl->keyboard.get();
}
const Keyboard* InputSubsystem::GetKeyboard() const {
return impl->keyboard.get();
}
MotionEmu* InputSubsystem::GetMotionEmu() {
return impl->motion_emu.get();
}
const MotionEmu* InputSubsystem::GetMotionEmu() const {
return impl->motion_emu.get();
}
std::vector<Common::ParamPackage> InputSubsystem::GetInputDevices() const {
return impl->GetInputDevices();
}
AnalogMapping InputSubsystem::GetAnalogMappingForDevice(const Common::ParamPackage& device) const {
return impl->GetAnalogMappingForDevice(device);
}
ButtonMapping InputSubsystem::GetButtonMappingForDevice(const Common::ParamPackage& device) const {
return impl->GetButtonMappingForDevice(device);
}
GCAnalogFactory* InputSubsystem::GetGCAnalogs() {
return impl->gcanalog.get();
}
const GCAnalogFactory* InputSubsystem::GetGCAnalogs() const {
return impl->gcanalog.get();
}
GCButtonFactory* InputSubsystem::GetGCButtons() {
return impl->gcbuttons.get();
}
const GCButtonFactory* InputSubsystem::GetGCButtons() const {
return impl->gcbuttons.get();
}
void ReloadInputDevices() {
if (udp)
udp->ReloadUDPClient();
}
std::vector<std::unique_ptr<Polling::DevicePoller>> InputSubsystem::GetPollers(
Polling::DeviceType type) const {
#ifdef HAVE_SDL2
return impl->sdl->GetPollers(type);
#else
return {};
#endif
}
std::string GenerateKeyboardParam(int key_code) {
Common::ParamPackage param{
{"engine", "keyboard"},
{"code", std::to_string(key_code)},
};
return param.Serialize();
}
std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
int key_modifier, float modifier_scale) {
Common::ParamPackage circle_pad_param{
{"engine", "analog_from_button"},
{"up", GenerateKeyboardParam(key_up)},
{"down", GenerateKeyboardParam(key_down)},
{"left", GenerateKeyboardParam(key_left)},
{"right", GenerateKeyboardParam(key_right)},
{"modifier", GenerateKeyboardParam(key_modifier)},
{"modifier_scale", std::to_string(modifier_scale)},
};
return circle_pad_param.Serialize();
}
} // namespace InputCommon
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