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Merge pull request #8328 from fjtrujy/feature/analogSupport

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[PS2] Implemented analog support for ps2 controllers
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Twinaphex 2019-02-20 19:38:00 +01:00 committed by GitHub
commit ba4d7f3ea3
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1 changed files with 16 additions and 0 deletions
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16
input/drivers_joypad/ps2_joypad.c
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@ -23,13 +23,23 @@
#define PS2_MAX_PADS 2
#define PS2_PAD_SLOT 0 /* Always zero if not using multitap */
#define PS2_ANALOG_STICKS 2
#define PS2_ANALOG_AXIS 2
static unsigned char padBuf[2][256] ALIGNED(64);
static uint64_t pad_state[PS2_MAX_PADS];
static int16_t analog_state[PS2_MAX_PADS][PS2_ANALOG_STICKS][PS2_ANALOG_AXIS];
extern uint64_t lifecycle_state;
static INLINE int16_t convert_u8_to_s16(uint8_t val)
{
if (val == 0)
return -0x7fff;
return val * 0x0101 - 0x8000;
}
static const char *ps2_joypad_name(unsigned pad)
{
return "PS2 Controller";
@ -115,6 +125,12 @@ static void ps2_joypad_poll(void)
pad_state[player] |= (state_tmp & PAD_R3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R3) : 0;
pad_state[player] |= (state_tmp & PAD_L3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L3) : 0;
/* Analog */
analog_state[player][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(buttons.ljoy_h);
analog_state[player][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(buttons.ljoy_v);;
analog_state[player][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(buttons.rjoy_h);;
analog_state[player][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(buttons.rjoy_v);;
}
}
}