92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/**
|
|
******************************************************************************
|
|
* Xenia : Xbox 360 Emulator Research Project *
|
|
******************************************************************************
|
|
* Copyright 2020 Ben Vanik. All rights reserved. *
|
|
* Released under the BSD license - see LICENSE in the root for more details. *
|
|
******************************************************************************
|
|
*/
|
|
|
|
#ifndef XENIA_HID_SDL_SDL_INPUT_DRIVER_H_
|
|
#define XENIA_HID_SDL_SDL_INPUT_DRIVER_H_
|
|
|
|
#include <array>
|
|
#include <atomic>
|
|
#include <mutex>
|
|
|
|
#include "SDL.h"
|
|
#include "xenia/hid/input_driver.h"
|
|
|
|
#define HID_SDL_USER_COUNT 4
|
|
#define HID_SDL_THUMB_THRES 0x4E00
|
|
#define HID_SDL_TRIGG_THRES 0x1F
|
|
#define HID_SDL_REPEAT_DELAY 400
|
|
#define HID_SDL_REPEAT_RATE 100
|
|
|
|
namespace xe {
|
|
namespace hid {
|
|
namespace sdl {
|
|
|
|
class SDLInputDriver : public InputDriver {
|
|
public:
|
|
explicit SDLInputDriver(xe::ui::Window* window);
|
|
~SDLInputDriver() override;
|
|
|
|
X_STATUS Setup() override;
|
|
|
|
X_RESULT GetCapabilities(uint32_t user_index, uint32_t flags,
|
|
X_INPUT_CAPABILITIES* out_caps) override;
|
|
X_RESULT GetState(uint32_t user_index, X_INPUT_STATE* out_state) override;
|
|
X_RESULT SetState(uint32_t user_index, X_INPUT_VIBRATION* vibration) override;
|
|
X_RESULT GetKeystroke(uint32_t user_index, uint32_t flags,
|
|
X_INPUT_KEYSTROKE* out_keystroke) override;
|
|
|
|
protected:
|
|
struct ControllerState {
|
|
SDL_GameController* sdl;
|
|
bool state_changed;
|
|
X_INPUT_STATE state;
|
|
};
|
|
|
|
enum class RepeatState {
|
|
Idle, // no buttons pressed or repeating has ended
|
|
Waiting, // a button is held and the delay is awaited
|
|
Repeating, // actively repeating at a rate
|
|
};
|
|
struct KeystrokeState {
|
|
uint64_t buttons;
|
|
RepeatState repeat_state;
|
|
// the button number that was pressed last:
|
|
uint8_t repeat_butt_idx;
|
|
// the last time (ms) a down (and/or repeat) event for that button was send:
|
|
uint32_t repeat_time;
|
|
};
|
|
|
|
protected:
|
|
void OnControllerDeviceAdded(SDL_Event* event);
|
|
void OnControllerDeviceRemoved(SDL_Event* event);
|
|
void OnControllerDeviceAxisMotion(SDL_Event* event);
|
|
void OnControllerDeviceButtonChanged(SDL_Event* event);
|
|
std::pair<bool, size_t> GetControllerIndexFromInstanceID(
|
|
SDL_JoystickID instance_id);
|
|
ControllerState* GetControllerState(uint32_t user_index);
|
|
bool TestSDLVersion() const;
|
|
void QueueControllerUpdate();
|
|
inline uint64_t AnalogToKeyfield(const X_INPUT_GAMEPAD& gamepad) const;
|
|
|
|
protected:
|
|
bool sdl_events_initialized_;
|
|
bool sdl_gamecontroller_initialized_;
|
|
int sdl_events_unflushed_;
|
|
std::atomic<bool> sdl_pumpevents_queued_;
|
|
std::array<ControllerState, HID_SDL_USER_COUNT> controllers_;
|
|
std::mutex controllers_mutex_;
|
|
std::array<KeystrokeState, HID_SDL_USER_COUNT> keystroke_states_;
|
|
};
|
|
|
|
} // namespace sdl
|
|
} // namespace hid
|
|
} // namespace xe
|
|
|
|
#endif // XENIA_HID_SDL_SDL_INPUT_DRIVER_H_
|