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(PS3) Refactor convert_u8_to_s16 for analog input - still broken

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This commit is contained in:
twinaphex 2014-02-27 21:00:20 +01:00
parent b5b8a07a17
commit 5bea5fa98f
1 changed files with 11 additions and 16 deletions
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27
ps3/ps3_input.c
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@ -170,14 +170,12 @@ static void ps3_input_set_keybinds(void *data, unsigned device,
}
}
static void convert_u8_to_s16(int16_t *to, uint8_t *from, uint32_t samples)
static inline int16_t convert_u8_to_s16(uint8_t val)
{
for (uint32_t ix = 0; ix < samples; ix++)
{
int16_t diff = (*from++ << 8);
diff -= INT16_MAX;
*to++ = diff;
}
if (val == 0)
return -0x7fff;
else
return val * 0x0101 - 0x8000;
}
static void ps3_input_poll(void *data)
@ -255,7 +253,7 @@ static void ps3_input_poll(void *data)
uint8_t lsy = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_LEFT_Y]);
uint8_t rsx = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_X]);
uint8_t rsy = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_Y]);
int16_t lsx_s16, lsy_s16, rsx_s16, rsy_s16;
#if 0
if (!(lsx < DEADZONE_LOW || DEADZONE_HIGH < lsx))
lsx = 128;
if (!(lsy < DEADZONE_LOW || DEADZONE_HIGH < lsy))
@ -264,14 +262,11 @@ static void ps3_input_poll(void *data)
rsx = 128;
if (!(rsy < DEADZONE_LOW || DEADZONE_HIGH < rsy))
rsy = 128;
convert_u8_to_s16(&lsx_s16, &lsx, 1);
convert_u8_to_s16(&lsy_s16, &lsy, 1);
convert_u8_to_s16(&rsx_s16, &rsx, 1);
convert_u8_to_s16(&rsy_s16, &rsy, 1);
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_X] = lsx_s16;
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_Y] = lsy_s16;
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = rsx_s16;
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = rsy_s16;
#endif
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(lsx);
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(lsy);
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(rsx);
ps3->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(rsy);
ps3->accelerometer_state[port].x = state_tmp.button[CELL_PAD_BTN_OFFSET_SENSOR_X];
ps3->accelerometer_state[port].y = state_tmp.button[CELL_PAD_BTN_OFFSET_SENSOR_Y];