RetroArch/input/psp_input_joypad.c
2014-09-11 07:06:20 +02:00

122 lines
2.9 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - 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/>.
*/
static const char *psp_joypad_name(unsigned pad)
{
return "PSP Controller";
}
static bool psp_joypad_init(void)
{
unsigned autoconf_pad;
for (autoconf_pad = 0; autoconf_pad < MAX_PADS; autoconf_pad++)
{
strlcpy(g_settings.input.device_names[autoconf_pad],
psp_joypad_name(autoconf_pad),
sizeof(g_settings.input.device_names[autoconf_pad]));
input_config_autoconfigure_joypad(autoconf_pad,
psp_joypad_name(autoconf_pad),
psp_joypad.ident);
}
return true;
}
static bool psp_joypad_button(unsigned port_num, uint16_t joykey)
{
psp_input_t *psp = (psp_input_t*)driver.input_data;
if (port_num >= MAX_PADS)
return false;
return (psp->pad_state & (1ULL << joykey));
}
static int16_t psp_joypad_axis(unsigned port_num, uint32_t joyaxis)
{
psp_input_t *psp = (psp_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 = psp->analog_state[port_num][0][0];
break;
case 1:
val = psp->analog_state[port_num][0][1];
break;
case 2:
val = psp->analog_state[port_num][1][0];
break;
case 3:
val = psp->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 psp_joypad_poll(void)
{
}
static bool psp_joypad_query_pad(unsigned pad)
{
psp_input_t *psp = (psp_input_t*)driver.input_data;
return pad < MAX_PLAYERS && psp->pad_state;
}
static void psp_joypad_destroy(void)
{
}
rarch_joypad_driver_t psp_joypad = {
psp_joypad_init,
psp_joypad_query_pad,
psp_joypad_destroy,
psp_joypad_button,
psp_joypad_axis,
psp_joypad_poll,
NULL,
psp_joypad_name,
"psp",
};