static void *sdl_input_init(void)
{
init_lut();
sdl_input_t *sdl = (sdl_input_t*)calloc(1, sizeof(*sdl));
if (!sdl)
return NULL;
sdl->joypad = input_joypad_init_first();
return sdl;
}
/**
* input_joypad_init_driver:
* @ident : identifier of driver to initialize.
*
* Initialize a joypad driver of name @ident.
*
* If ident points to NULL or a zero-length string,
* equivalent to calling input_joypad_init_first().
*
* Returns: joypad driver if found, otherwise NULL.
**/
const input_device_driver_t *input_joypad_init_driver(const char *ident, void *data)
{
unsigned i;
if (!ident || !*ident)
return input_joypad_init_first(data);
for (i = 0; joypad_drivers[i]; i++)
{
if (!strcmp(ident, joypad_drivers[i]->ident)
&& joypad_drivers[i]->init(data))
{
RARCH_LOG("Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return input_joypad_init_first(data);
}
const rarch_joypad_driver_t *input_joypad_init_driver(const char *ident)
{
unsigned i;
if (!ident || !*ident)
return input_joypad_init_first();
for (i = 0; joypad_drivers[i]; i++)
{
if (strcmp(ident, joypad_drivers[i]->ident) == 0
&& joypad_drivers[i]->init())
{
RARCH_LOG("Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return input_joypad_init_first();
}
static void *dinput_init(void)
{
if (!dinput_init_context())
return NULL;
struct dinput_input *di = (struct dinput_input*)calloc(1, sizeof(*di));
if (!di)
return NULL;
#ifdef __cplusplus
if (FAILED(IDirectInput8_CreateDevice(g_ctx, GUID_SysKeyboard, &di->keyboard, NULL)))
goto error;
if (FAILED(IDirectInput8_CreateDevice(g_ctx, GUID_SysMouse, &di->mouse, NULL)))
goto error;
#else
if (FAILED(IDirectInput8_CreateDevice(g_ctx, &GUID_SysKeyboard, &di->keyboard, NULL)))
goto error;
if (FAILED(IDirectInput8_CreateDevice(g_ctx, &GUID_SysMouse, &di->mouse, NULL)))
goto error;
#endif
IDirectInputDevice8_SetDataFormat(di->keyboard, &c_dfDIKeyboard);
IDirectInputDevice8_SetCooperativeLevel(di->keyboard,
(HWND)driver.video_window, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
IDirectInputDevice8_Acquire(di->keyboard);
IDirectInputDevice8_SetDataFormat(di->mouse, &c_dfDIMouse2);
IDirectInputDevice8_SetCooperativeLevel(di->mouse, (HWND)driver.video_window,
DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
IDirectInputDevice8_Acquire(di->mouse);
input_init_keyboard_lut(rarch_key_map_dinput);
di->joypad = input_joypad_init_first();
return di;
error:
dinput_destroy_context();
free(di);
return NULL;
}
static void *x_input_init(void)
{
if (driver.display_type != RARCH_DISPLAY_X11)
{
RARCH_ERR("Currently active window is not an X11 window. Cannot use this driver.\n");
return NULL;
}
x11_input_t *x11 = (x11_input_t*)calloc(1, sizeof(*x11));
if (!x11)
return NULL;
// Borrow the active X window ...
x11->display = (Display*)driver.video_display;
x11->win = (Window)driver.video_window;
x11->joypad = input_joypad_init_first();
input_init_keyboard_lut(rarch_key_map_x11);
return x11;
}
static void get_binds(config_file_t *conf, int player, int joypad)
{
const rarch_joypad_driver_t *driver = input_joypad_init_first();
if (!driver)
{
fprintf(stderr, "Cannot find any valid input driver.\n");
exit(1);
}
if (!driver->query_pad(joypad))
{
fprintf(stderr, "Couldn't open joystick #%u.\n", joypad);
exit(1);
}
fprintf(stderr, "Found joypad driver: %s\n", driver->ident);
int16_t initial_axes[MAX_AXES] = {0};
struct poll_data old_poll = {{0}};
struct poll_data new_poll = {{0}};
int last_axis = -1;
bool block_axis = false;
poll_joypad(driver, joypad, &old_poll);
for (int i = 0; i < MAX_AXES; i++)
{
int16_t initial = input_joypad_axis_raw(driver, joypad, i);
if (abs(initial) < 20000)
initial = 0;
// Certain joypads (such as XBox360 controller on Linux) has a default negative axis for shoulder triggers,
// which makes configuration very awkward.
// If default negative, we can't trigger on the negative axis, and similar with defaulted positive axes.
if (initial)
fprintf(stderr, "Axis %d is defaulted to %s axis value of %d\n", i, initial > 0 ? "positive" : "negative", initial);
initial_axes[i] = initial;
}
fprintf(stderr, "Configuring binds for player #%d on joypad #%d.\n\n",
player + 1, joypad);
for (unsigned i = 0; i < sizeof(binds) / sizeof(binds[0]) && (g_use_misc || !binds[i].is_misc) ; i++)
{
fprintf(stderr, "%s\n", binds[i].keystr);
unsigned player_index = binds[i].is_misc ? 0 : player;
for (;;)
{
old_poll = new_poll;
// To avoid pegging CPU.
// Ideally use an event-based joypad scheme,
// but it adds far more complexity, so, meh.
rarch_sleep(10);
poll_joypad(driver, joypad, &new_poll);
for (int j = 0; j < MAX_BUTTONS; j++)
{
if (new_poll.buttons[j] && !old_poll.buttons[j])
{
fprintf(stderr, "\tJoybutton pressed: %u\n", j);
config_set_int(conf, binds[i].confbtn[player_index], j);
goto out;
}
}
for (int j = 0; j < MAX_AXES; j++)
{
if (new_poll.axes[j] != old_poll.axes[j])
{
int16_t value = new_poll.axes[j];
bool same_axis = last_axis == j;
bool require_negative = initial_axes[j] > 0;
bool require_positive = initial_axes[j] < 0;
// Block the axis config until we're sure axes have returned to their neutral state.
if (same_axis)
{
if (abs(value) < 10000 ||
(require_positive && value < 0) ||
(require_negative && value > 0))
block_axis = false;
}
// If axes are in their neutral state, we can't allow it.
if (require_negative && value >= 0)
continue;
if (require_positive && value <= 0)
continue;
if (block_axis)
continue;
if (abs(value) > 20000)
{
last_axis = j;
fprintf(stderr, "\tJoyaxis moved: Axis %d, Value %d\n", j, value);
char buf[8];
snprintf(buf, sizeof(buf),
value > 0 ? "+%d" : "-%d", j);
config_set_string(conf, binds[i].confaxis[player_index], buf);
block_axis = true;
goto out;
}
}
}
for (int j = 0; j < MAX_HATS; j++)
{
const char *quark = NULL;
uint16_t value = new_poll.hats[j];
uint16_t old_value = old_poll.hats[j];
if ((value & HAT_UP_MASK) && !(old_value & HAT_UP_MASK))
quark = "up";
else if ((value & HAT_LEFT_MASK) && !(old_value & HAT_LEFT_MASK))
quark = "left";
else if ((value & HAT_RIGHT_MASK) && !(old_value & HAT_RIGHT_MASK))
quark = "right";
else if ((value & HAT_DOWN_MASK) && !(old_value & HAT_DOWN_MASK))
quark = "down";
if (quark)
{
fprintf(stderr, "\tJoyhat moved: Hat %d, direction %s\n", j, quark);
char buf[16];
snprintf(buf, sizeof(buf), "h%d%s", j, quark);
config_set_string(conf, binds[i].confbtn[player_index], buf);
goto out;
}
}
}
out:
old_poll = new_poll;
}
}
