RetroArch/wiiu/input/pad_functions.c

104 lines
3.3 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2017 - Ali Bouhlel
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <wiiu/pad_driver.h>
enum wiiu_pad_axes {
AXIS_LEFT_ANALOG_X,
AXIS_LEFT_ANALOG_Y,
AXIS_RIGHT_ANALOG_X,
AXIS_RIGHT_ANALOG_Y,
AXIS_TOUCH_X,
AXIS_TOUCH_Y,
AXIS_INVALID
};
static int16_t clamp_axis(int16_t value, bool is_negative)
{
if(is_negative && value > 0)
return 0;
if(!is_negative && value < 0)
return 0;
return value;
}
static int16_t wiiu_pad_get_axis_value(int32_t axis,
int16_t state[3][2], bool is_negative)
{
int16_t value = 0;
switch(axis)
{
case AXIS_LEFT_ANALOG_X:
value = state[RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X];
break;
case AXIS_LEFT_ANALOG_Y:
value = state[RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y];
break;
case AXIS_RIGHT_ANALOG_X:
value = state[RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X];
break;
case AXIS_RIGHT_ANALOG_Y:
value = state[RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y];
break;
case AXIS_TOUCH_X:
return state[WIIU_DEVICE_INDEX_TOUCHPAD][RETRO_DEVICE_ID_ANALOG_X];
case AXIS_TOUCH_Y:
return state[WIIU_DEVICE_INDEX_TOUCHPAD][RETRO_DEVICE_ID_ANALOG_Y];
}
return clamp_axis(value, is_negative);
}
void wiiu_pad_set_axis_value(int16_t state[3][2], int16_t left_x, int16_t left_y,
int16_t right_x, int16_t right_y, int16_t touch_x, int16_t touch_y)
{
state[RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = left_x;
state[RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = left_y;
state[RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = right_x;
state[RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = right_y;
state[WIIU_DEVICE_INDEX_TOUCHPAD][RETRO_DEVICE_ID_ANALOG_X] = touch_x;
state[WIIU_DEVICE_INDEX_TOUCHPAD][RETRO_DEVICE_ID_ANALOG_Y] = touch_y;
}
void wiiu_pad_read_axis_data(uint32_t axis, axis_data *data)
{
data->axis = AXIS_POS_GET(axis);
data->is_negative = false;
if(data->axis >= AXIS_INVALID)
{
data->axis = AXIS_NEG_GET(axis);
data->is_negative = true;
}
}
void wiiu_pad_connect(unsigned pad, input_device_driver_t *driver)
{
if(!input_autoconfigure_connect(driver->name(pad), NULL, driver->ident,
pad, VID_NONE, PID_NONE))
input_config_set_device_name(pad, driver->name(pad));
}
wiiu_pad_functions_t pad_functions = {
wiiu_pad_get_axis_value,
wiiu_pad_set_axis_value,
wiiu_pad_read_axis_data,
wiiu_pad_connect
};