RetroArch/input/gx_input_joypad.c

123 lines
2.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
* Copyright (C) 2012-2014 - Michael Lelli
*
* 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/>.
*/
static bool gx_joypad_init(void)
{
PAD_Init();
#ifdef HW_RVL
WPADInit();
#endif
#ifdef HAVE_LIBSICKSAXIS
int i;
USB_Initialize();
ss_init();
for (i = 0; i < MAX_PADS; i++)
ss_initialize(&dev[i]);
#endif
return true;
}
static bool gx_joypad_button(unsigned port_num, uint16_t joykey)
{
gx_input_t *gx = (gx_input_t*)driver.input_data;
if (port_num >= MAX_PADS)
return false;
return gx->pad_state[port_num] & (1ULL << joykey);
}
static int16_t gx_joypad_axis(unsigned port_num, uint32_t joyaxis)
{
gx_input_t *gx = (gx_input_t*)driver.input_data;
if (joyaxis == AXIS_NONE || port_num >= MAX_PADS)
return 0;
int val = 0;
int axis = -1;
bool is_neg = false;
bool is_pos = false;
if (AXIS_NEG_GET(joyaxis) < 4)
{
axis = AXIS_NEG_GET(joyaxis);
is_neg = true;
}
else if (AXIS_POS_GET(joyaxis) < 4)
{
axis = AXIS_POS_GET(joyaxis);
is_pos = true;
}
switch (axis)
{
case 0: val = gx->analog_state[port_num][0][0]; break;
case 1: val = gx->analog_state[port_num][0][1]; break;
case 2: val = gx->analog_state[port_num][1][0]; break;
case 3: val = gx->analog_state[port_num][1][1]; break;
}
if (is_neg && val > 0)
val = 0;
else if (is_pos && val < 0)
val = 0;
return val;
}
static void gx_joypad_poll(void)
{
}
static bool gx_joypad_query_pad(unsigned pad)
{
gx_input_t *gx = (gx_input_t*)driver.input_data;
return pad < MAX_PLAYERS && gx->pad_state[pad];
}
static void gx_joypad_destroy(void)
{
int i;
for (i = 0; i < MAX_PADS; i++)
{
#ifdef HAVE_LIBSICKSAXIS
ss_close(&dev[i]);
USB_Deinitialize();
#endif
#ifdef HW_RVL
WPAD_Flush(i);
WPADDisconnect(i);
#endif
}
}
const rarch_joypad_driver_t gx_joypad = {
gx_joypad_init,
gx_joypad_query_pad,
gx_joypad_destroy,
gx_joypad_button,
gx_joypad_axis,
gx_joypad_poll,
NULL,
gx_joypad_name,
"gx",
};