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Add RETRO_DEVICE_ANALOG to linuxraw.

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This commit is contained in:
Themaister 2012-09-22 01:04:13 +02:00
parent 67c343c290
commit bd9f8dbd3a
1 changed files with 58 additions and 0 deletions
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58
input/linuxraw_input.c
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@ -256,6 +256,56 @@ static bool linuxraw_bind_button_pressed(void *data, int key)
input_sdl.key_pressed(linuxraw->sdl, key);
}
static void conv_analog_id_to_bind_id(unsigned index, unsigned id,
unsigned *id_minus, unsigned *id_plus)
{
switch ((index << 1) | id)
{
case (RETRO_DEVICE_INDEX_ANALOG_LEFT << 1) | RETRO_DEVICE_ID_ANALOG_X:
*id_minus = RARCH_ANALOG_LEFT_X_MINUS;
*id_plus = RARCH_ANALOG_LEFT_X_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_LEFT << 1) | RETRO_DEVICE_ID_ANALOG_Y:
*id_minus = RARCH_ANALOG_LEFT_Y_MINUS;
*id_plus = RARCH_ANALOG_LEFT_Y_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_RIGHT << 1) | RETRO_DEVICE_ID_ANALOG_X:
*id_minus = RARCH_ANALOG_RIGHT_X_MINUS;
*id_plus = RARCH_ANALOG_RIGHT_X_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_RIGHT << 1) | RETRO_DEVICE_ID_ANALOG_Y:
*id_minus = RARCH_ANALOG_RIGHT_Y_MINUS;
*id_plus = RARCH_ANALOG_RIGHT_Y_PLUS;
break;
}
}
static int16_t raw_analog_state(linuxraw_input_t *linuxraw, const struct retro_keybind **binds_,
unsigned port, unsigned index, unsigned id)
{
const struct retro_keybind *binds = binds_[port];
if (id >= RARCH_BIND_LIST_END)
return 0;
unsigned id_minus = 0;
unsigned id_plus = 0;
conv_analog_id_to_bind_id(index, id, &id_minus, &id_plus);
const struct retro_keybind *bind_minus = &binds[id_minus];
const struct retro_keybind *bind_plus = &binds[id_plus];
if (!bind_minus->valid || !bind_plus->valid)
return 0;
int16_t res_minus = linuxraw_is_pressed(linuxraw, binds, id_minus) ? -0x7fff : 0;
int16_t res_plus = linuxraw_is_pressed(linuxraw, binds, id_plus) ? 0x7fff : 0;
return res_plus + res_minus;
}
static int16_t linuxraw_input_state(void *data, const struct retro_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
@ -266,6 +316,14 @@ static int16_t linuxraw_input_state(void *data, const struct retro_keybind **bin
return linuxraw_is_pressed(linuxraw, binds[port], id) ||
input_sdl.input_state(linuxraw->sdl, binds, port, device, index, id);
case RETRO_DEVICE_ANALOG:
{
int16_t ret = input_sdl.input_state(linuxraw->sdl, binds, port, device, index, id);
if (!ret)
ret = raw_analog_state(linuxraw, binds, port, index, id);
return ret;
}
default:
return 0;
}