diff options
| -rw-r--r-- | frontend/libretro.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/frontend/libretro.c b/frontend/libretro.c index f9accf2..95d4e2b 100644 --- a/frontend/libretro.c +++ b/frontend/libretro.c @@ -1630,7 +1630,10 @@ void retro_run(void) // reset all keystate, query libretro for keystate int j; int lsx; + int rsy; float negcon_twist_amplitude; + int negcon_i_rs; + int negcon_ii_rs; for(i = 0; i < PORTS_NUMBER; i++) { in_keystate[i] = 0; @@ -1706,15 +1709,48 @@ void retro_run(void) } // >> Convert to final 'in_analog' integer value [0,255] in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0); - // > NeGcon I + // > NeGcon I + II + // >> Handle right analog stick vertical axis mapping... + // - Up (-Y) == accelerate == neGcon I + // - Down (+Y) == brake == neGcon II + negcon_i_rs = 0; + negcon_ii_rs = 0; + rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y); + if (rsy >= 0){ + // Account for deadzone + // (Note: have never encountered a gamepad with significant differences + // in deadzone between left/right analog sticks, so use the regular 'twist' + // deadzone here) + if (rsy > negcon_deadzone){ + rsy = rsy - negcon_deadzone; + } else { + rsy = 0; + } + // Convert to 'in_analog' integer value [0,255] + negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255); + } else { + if (rsy < -negcon_deadzone){ + rsy = -1 * (rsy + negcon_deadzone); + } else { + rsy = 0; + } + negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255); + } + // >> NeGcon I in_analog_right[i][1] = MAX( - get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2), - get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B) + MAX( + get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2), + get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B) + ), + negcon_i_rs ); - // > NeGcon II + // >> NeGcon II in_analog_left[i][0] = MAX( - get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2), - get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y) + MAX( + get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2), + get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y) + ), + negcon_ii_rs ); // > NeGcon L in_analog_left[i][1] = get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L); |