mirror of
https://github.com/libretro/RetroArch
synced 2025-03-29 22:20:21 +00:00
(SDL2) Add SDL Game Controller (xinput and friends) support
Signed-off-by: Higor Eurípedes <heuripedes@gmail.com>
This commit is contained in:
Higor Eurípedes
parent
8b569a789c
commit
12d0bdfc8a
@ -21,6 +21,7 @@ typedef struct _sdl_joypad
|
||||
{
|
||||
SDL_Joystick *joypad;
|
||||
#ifdef HAVE_SDL2
|
||||
SDL_GameController *controller;
|
||||
SDL_Haptic *haptic;
|
||||
int rumble_effect; // -1 = not initialized, -2 = error/unsupported
|
||||
#endif
|
||||
@ -43,25 +44,89 @@ static sdl_joypad_t g_pads[MAX_PLAYERS];
|
||||
static bool g_has_haptic;
|
||||
#endif
|
||||
|
||||
static void sdl_joypad_connect(int id)
|
||||
static const char* pad_name(unsigned id)
|
||||
{
|
||||
#ifdef HAVE_SDL2
|
||||
if (g_pads[id].controller)
|
||||
return SDL_GameControllerNameForIndex(id);
|
||||
else
|
||||
return SDL_JoystickNameForIndex(id);
|
||||
#else
|
||||
return SDL_JoystickName(id);
|
||||
#endif
|
||||
}
|
||||
|
||||
static uint8_t pad_get_button(sdl_joypad_t *pad, unsigned button)
|
||||
{
|
||||
#ifdef HAVE_SDL2
|
||||
/* TODO: see if a LUT like winxinput_joypad.c's button_index_to_bitmap_code is needed. */
|
||||
if (pad->controller)
|
||||
return SDL_GameControllerGetButton(pad->controller, button);
|
||||
else
|
||||
#endif
|
||||
return SDL_JoystickGetButton(pad->joypad, button);
|
||||
}
|
||||
|
||||
static uint8_t pad_get_hat(sdl_joypad_t *pad, unsigned hat)
|
||||
{
|
||||
#ifdef HAVE_SDL2
|
||||
if (pad->controller)
|
||||
return pad_get_button(pad, hat);
|
||||
else
|
||||
#endif
|
||||
return SDL_JoystickGetHat(pad->joypad, hat);
|
||||
}
|
||||
|
||||
static int16_t pad_get_axis(sdl_joypad_t *pad, unsigned axis)
|
||||
{
|
||||
#ifdef HAVE_SDL2
|
||||
/* TODO: see if a rarch <-> sdl translation is needed. */
|
||||
if (pad->controller)
|
||||
return SDL_GameControllerGetAxis(pad->controller, axis);
|
||||
else
|
||||
#endif
|
||||
return SDL_JoystickGetAxis(pad->joypad, axis);
|
||||
}
|
||||
|
||||
static void pad_connect(unsigned id)
|
||||
{
|
||||
sdl_joypad_t *pad = &g_pads[id];
|
||||
pad->joypad = SDL_JoystickOpen(id);
|
||||
if (!pad->joypad)
|
||||
bool success = false;
|
||||
|
||||
#ifdef HAVE_SDL2
|
||||
if (SDL_IsGameController(id))
|
||||
{
|
||||
RARCH_ERR("[SDL]: Couldn't open SDL joystick #%u.\n", id);
|
||||
pad->controller = SDL_GameControllerOpen(id);
|
||||
pad->joypad = SDL_GameControllerGetJoystick(pad->controller);
|
||||
|
||||
success = pad->joypad != NULL && pad->controller != NULL;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
pad->joypad = SDL_JoystickOpen(id);
|
||||
success = pad->joypad != NULL;
|
||||
}
|
||||
|
||||
if (!success)
|
||||
{
|
||||
RARCH_ERR("[SDL]: Couldn't open joystick #%u: %s.\n", id, SDL_GetError());
|
||||
|
||||
if (pad->joypad)
|
||||
SDL_JoystickClose(pad->joypad);
|
||||
|
||||
pad->joypad = NULL;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
RARCH_LOG("[SDL]: Joypad #%u connected: %s.\n",
|
||||
#ifdef HAVE_SDL2
|
||||
id, SDL_JoystickName(pad->joypad));
|
||||
#else
|
||||
id, SDL_JoystickName(id));
|
||||
#endif
|
||||
|
||||
RARCH_LOG("[SDL]: Joypad #%u connected: %s.\n", id, pad_name(id));
|
||||
|
||||
#ifdef HAVE_SDL2
|
||||
|
||||
if (pad->controller)
|
||||
RARCH_LOG("[SDL]: Joypad #%u supports game controller api.\n", id);
|
||||
|
||||
pad->haptic = g_has_haptic ? SDL_HapticOpenFromJoystick(pad->joypad) : NULL;
|
||||
|
||||
if (g_has_haptic && !pad->haptic)
|
||||
@ -101,13 +166,19 @@ static void sdl_joypad_connect(int id)
|
||||
#endif
|
||||
}
|
||||
|
||||
static void sdl_joypad_disconnect(int id)
|
||||
static void pad_disconnect(unsigned id)
|
||||
{
|
||||
#ifdef HAVE_SDL2
|
||||
if (g_pads[id].haptic)
|
||||
SDL_HapticClose(g_pads[id].haptic);
|
||||
#endif
|
||||
|
||||
if (g_pads[id].controller)
|
||||
{
|
||||
SDL_GameControllerClose(g_pads[id].controller);
|
||||
RARCH_LOG("[SDL]: Joypad #%u disconnected.\n", id);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if (g_pads[id].joypad)
|
||||
{
|
||||
SDL_JoystickClose(g_pads[id].joypad);
|
||||
@ -121,7 +192,7 @@ static void sdl_joypad_destroy(void)
|
||||
{
|
||||
unsigned i;
|
||||
for (i = 0; i < MAX_PLAYERS; i++)
|
||||
sdl_joypad_disconnect(i);
|
||||
pad_disconnect(i);
|
||||
|
||||
SDL_QuitSubSystem(g_subsystem);
|
||||
memset(g_pads, 0, sizeof(g_pads));
|
||||
@ -148,12 +219,14 @@ static bool sdl_joypad_init(void)
|
||||
g_has_haptic = true;
|
||||
#endif
|
||||
|
||||
memset(g_pads, 0, sizeof(g_pads));
|
||||
|
||||
unsigned num_sticks = SDL_NumJoysticks();
|
||||
if (num_sticks > MAX_PLAYERS)
|
||||
num_sticks = MAX_PLAYERS;
|
||||
|
||||
for (i = 0; i < num_sticks; i++)
|
||||
sdl_joypad_connect(i);
|
||||
pad_connect(i);
|
||||
|
||||
#ifndef HAVE_SDL2
|
||||
/* quit if no joypad is detected. */
|
||||
@ -180,7 +253,7 @@ static bool sdl_joypad_button(unsigned port, uint16_t joykey)
|
||||
if (joykey == NO_BTN)
|
||||
return false;
|
||||
|
||||
const sdl_joypad_t *pad = &g_pads[port];
|
||||
sdl_joypad_t *pad = &g_pads[port];
|
||||
if (!pad->joypad)
|
||||
return false;
|
||||
|
||||
@ -191,7 +264,7 @@ static bool sdl_joypad_button(unsigned port, uint16_t joykey)
|
||||
if (hat >= pad->num_hats)
|
||||
return false;
|
||||
|
||||
Uint8 dir = SDL_JoystickGetHat(pad->joypad, hat);
|
||||
Uint8 dir = pad_get_hat(pad, hat);
|
||||
switch (GET_HAT_DIR(joykey))
|
||||
{
|
||||
case HAT_UP_MASK:
|
||||
@ -208,7 +281,7 @@ static bool sdl_joypad_button(unsigned port, uint16_t joykey)
|
||||
}
|
||||
else // Check the button
|
||||
{
|
||||
if (joykey < pad->num_buttons && SDL_JoystickGetButton(pad->joypad, joykey))
|
||||
if (joykey < pad->num_buttons && pad_get_button(pad, joykey))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
@ -220,14 +293,14 @@ static int16_t sdl_joypad_axis(unsigned port, uint32_t joyaxis)
|
||||
if (joyaxis == AXIS_NONE)
|
||||
return 0;
|
||||
|
||||
const sdl_joypad_t *pad = &g_pads[port];
|
||||
sdl_joypad_t *pad = &g_pads[port];
|
||||
if (!pad->joypad)
|
||||
return false;
|
||||
|
||||
Sint16 val = 0;
|
||||
int16_t val = 0;
|
||||
if (AXIS_NEG_GET(joyaxis) < pad->num_axes)
|
||||
{
|
||||
val = SDL_JoystickGetAxis(pad->joypad, AXIS_NEG_GET(joyaxis));
|
||||
val = pad_get_axis(pad, AXIS_NEG_GET(joyaxis));
|
||||
|
||||
if (val > 0)
|
||||
val = 0;
|
||||
@ -236,7 +309,7 @@ static int16_t sdl_joypad_axis(unsigned port, uint32_t joyaxis)
|
||||
}
|
||||
else if (AXIS_POS_GET(joyaxis) < pad->num_axes)
|
||||
{
|
||||
val = SDL_JoystickGetAxis(pad->joypad, AXIS_POS_GET(joyaxis));
|
||||
val = pad_get_axis(pad, AXIS_POS_GET(joyaxis));
|
||||
|
||||
if (val < 0)
|
||||
val = 0;
|
||||
@ -255,11 +328,11 @@ static void sdl_joypad_poll(void)
|
||||
{
|
||||
if (event.type == SDL_JOYDEVICEADDED)
|
||||
{
|
||||
sdl_joypad_connect(event.jdevice.which);
|
||||
pad_connect(event.jdevice.which);
|
||||
}
|
||||
else if (event.type == SDL_JOYDEVICEREMOVED)
|
||||
{
|
||||
sdl_joypad_disconnect(event.jdevice.which);
|
||||
pad_disconnect(event.jdevice.which);
|
||||
}
|
||||
}
|
||||
#else
|
||||
@ -327,11 +400,7 @@ static const char *sdl_joypad_name(unsigned pad)
|
||||
if (pad >= MAX_PLAYERS)
|
||||
return NULL;
|
||||
|
||||
#ifdef HAVE_SDL2
|
||||
return SDL_JoystickName(g_pads[pad].joypad);
|
||||
#else
|
||||
return SDL_JoystickName(pad);
|
||||
#endif
|
||||
return pad_name(pad);
|
||||
}
|
||||
|
||||
const rarch_joypad_driver_t sdl_joypad = {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user