157 lines
3.2 KiB
C++
157 lines
3.2 KiB
C++
#include "../Controller.h"
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#include "Controller.h"
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#include <stddef.h>
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#include <stdio.h>
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#include "SDL.h"
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#include "../../WindowsWrapper.h"
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#define DEADZONE 10000;
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static SDL_Joystick *joystick;
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BOOL ControllerBackend_Init(void)
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{
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SDL_InitSubSystem(SDL_INIT_JOYSTICK);
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return TRUE;
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}
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void ControllerBackend_Deinit(void)
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{
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if (joystick != NULL)
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{
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SDL_JoystickClose(joystick);
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joystick = NULL;
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}
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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}
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BOOL ControllerBackend_GetJoystickStatus(JOYSTICK_STATUS *status)
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{
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if (joystick == NULL)
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return FALSE;
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const size_t button_limit = sizeof(status->bButton) / sizeof(status->bButton[0]);
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const Sint16 joystick_x = SDL_JoystickGetAxis(joystick, 0);
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const Sint16 joystick_y = SDL_JoystickGetAxis(joystick, 1);
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status->bLeft = joystick_x < -DEADZONE;
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status->bRight = joystick_x > DEADZONE;
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status->bUp = joystick_y < -DEADZONE;
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status->bDown = joystick_y > DEADZONE;
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int total_buttons = SDL_JoystickNumButtons(joystick);
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int total_axes = SDL_JoystickNumAxes(joystick);
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int total_hats = SDL_JoystickNumHats(joystick);
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unsigned int buttons_done = 0;
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for (int i = 0; i < total_buttons; ++i)
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{
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status->bButton[buttons_done] = SDL_JoystickGetButton(joystick, i);
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if (++buttons_done >= button_limit)
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break;
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}
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for (int i = 0; i < total_axes; ++i)
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{
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Sint16 axis = SDL_JoystickGetAxis(joystick, i);
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status->bButton[buttons_done] = axis < -DEADZONE;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = axis > DEADZONE;
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if (++buttons_done >= button_limit)
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break;
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}
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for (int i = 0; i < total_axes; ++i)
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{
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Uint8 hat = SDL_JoystickGetHat(joystick, i);
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status->bButton[buttons_done] = hat == SDL_HAT_UP;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_RIGHT;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_DOWN;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_LEFT;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_RIGHTUP;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_RIGHTDOWN;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_LEFTUP;
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if (++buttons_done >= button_limit)
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break;
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status->bButton[buttons_done] = hat == SDL_HAT_LEFTDOWN;
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if (++buttons_done >= button_limit)
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break;
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}
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// Blank the buttons that do not
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for (size_t i = buttons_done; i < button_limit; ++i)
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status->bButton[i] = FALSE;
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return TRUE;
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}
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BOOL ControllerBackend_ResetJoystickStatus(void)
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{
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if (joystick == NULL)
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return FALSE;
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return TRUE;
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}
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void ControllerBackend_JoystickConnect(Sint32 joystick_id)
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{
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printf("Joystick #%d connected - %s\n", joystick_id, SDL_JoystickNameForIndex(joystick_id));
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if (joystick == NULL)
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{
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joystick = SDL_JoystickOpen(joystick_id);
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if (joystick != NULL)
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printf("Joystick #%d selected\n", joystick_id);
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}
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}
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void ControllerBackend_JoystickDisconnect(Sint32 joystick_id)
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{
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if (joystick_id == SDL_JoystickInstanceID(joystick))
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{
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printf("Joystick #%d disconnected\n", joystick_id);
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joystick = NULL;
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}
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}
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