121 lines
4.9 KiB
C++
121 lines
4.9 KiB
C++
// Copyright 2018 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <atomic>
|
|
#include <mutex>
|
|
#include <thread>
|
|
#include <unordered_map>
|
|
|
|
#include <SDL.h>
|
|
|
|
#include "common/common_types.h"
|
|
#include "input_common/input_engine.h"
|
|
|
|
union SDL_Event;
|
|
using SDL_GameController = struct _SDL_GameController;
|
|
using SDL_Joystick = struct _SDL_Joystick;
|
|
using SDL_JoystickID = s32;
|
|
|
|
using ButtonBindings =
|
|
std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerButton>, 17>;
|
|
using ZButtonBindings =
|
|
std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerAxis>, 2>;
|
|
|
|
namespace InputCommon {
|
|
|
|
class SDLJoystick;
|
|
|
|
class SDLDriver : public InputCommon::InputEngine {
|
|
public:
|
|
/// Initializes and registers SDL device factories
|
|
SDLDriver(const std::string& input_engine_);
|
|
|
|
/// Unregisters SDL device factories and shut them down.
|
|
~SDLDriver() override;
|
|
|
|
/// Handle SDL_Events for joysticks from SDL_PollEvent
|
|
void HandleGameControllerEvent(const SDL_Event& event);
|
|
|
|
/// Get the nth joystick with the corresponding GUID
|
|
std::shared_ptr<SDLJoystick> GetSDLJoystickBySDLID(SDL_JoystickID sdl_id);
|
|
|
|
/**
|
|
* Check how many identical joysticks (by guid) were connected before the one with sdl_id and so
|
|
* tie it to a SDLJoystick with the same guid and that port
|
|
*/
|
|
std::shared_ptr<SDLJoystick> GetSDLJoystickByGUID(const std::string& guid, int port);
|
|
|
|
std::vector<Common::ParamPackage> GetInputDevices() const override;
|
|
|
|
ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
|
|
AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
|
|
MotionMapping GetMotionMappingForDevice(const Common::ParamPackage& params) override;
|
|
std::string GetUIName(const Common::ParamPackage& params) const override;
|
|
|
|
std::string GetHatButtonName(u8 direction_value) const override;
|
|
u8 GetHatButtonId(const std::string direction_name) const override;
|
|
|
|
bool SetRumble(const PadIdentifier& identifier,
|
|
const Input::VibrationStatus vibration) override;
|
|
|
|
private:
|
|
void InitJoystick(int joystick_index);
|
|
void CloseJoystick(SDL_Joystick* sdl_joystick);
|
|
|
|
/// Needs to be called before SDL_QuitSubSystem.
|
|
void CloseJoysticks();
|
|
|
|
Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, s32 axis,
|
|
float value = 0.1f) const;
|
|
Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid,
|
|
s32 button) const;
|
|
|
|
Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, s32 hat,
|
|
u8 value) const;
|
|
|
|
Common::ParamPackage BuildMotionParam(int port, std::string guid) const;
|
|
|
|
Common::ParamPackage BuildParamPackageForBinding(
|
|
int port, const std::string& guid, const SDL_GameControllerButtonBind& binding) const;
|
|
|
|
Common::ParamPackage BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x,
|
|
int axis_y, float offset_x,
|
|
float offset_y) const;
|
|
|
|
/// Returns the default button bindings list for generic controllers
|
|
ButtonBindings GetDefaultButtonBinding() const;
|
|
|
|
/// Returns the default button bindings list for nintendo controllers
|
|
ButtonBindings GetNintendoButtonBinding(const std::shared_ptr<SDLJoystick>& joystick) const;
|
|
|
|
/// Returns the button mappings from a single controller
|
|
ButtonMapping GetSingleControllerMapping(const std::shared_ptr<SDLJoystick>& joystick,
|
|
const ButtonBindings& switch_to_sdl_button,
|
|
const ZButtonBindings& switch_to_sdl_axis) const;
|
|
|
|
/// Returns the button mappings from two different controllers
|
|
ButtonMapping GetDualControllerMapping(const std::shared_ptr<SDLJoystick>& joystick,
|
|
const std::shared_ptr<SDLJoystick>& joystick2,
|
|
const ButtonBindings& switch_to_sdl_button,
|
|
const ZButtonBindings& switch_to_sdl_axis) const;
|
|
|
|
/// Returns true if the button is on the left joycon
|
|
bool IsButtonOnLeftSide(Settings::NativeButton::Values button) const;
|
|
|
|
// 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;
|
|
|
|
bool start_thread = false;
|
|
std::atomic<bool> initialized = false;
|
|
|
|
std::thread poll_thread;
|
|
};
|
|
} // namespace InputCommon
|