RetroArch/input/drivers_joypad/android_joypad.c
2016-09-05 18:31:32 +02:00

124 lines
3.3 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
* Copyright (C) 2013-2014 - Steven Crowe
*
* 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 "../../configuration.h"
#include "../drivers_keyboard/keyboard_event_android.h"
static const char *android_joypad_name(unsigned pad)
{
settings_t *settings = config_get_ptr();
return settings ? settings->input.device_names[pad] : NULL;
}
static bool android_joypad_init(void *data)
{
return true;
}
static bool android_joypad_button(unsigned port, uint16_t joykey)
{
uint8_t *buf = android_keyboard_state_get(port);
struct android_app *android_app = (struct android_app*)g_android;
if (port >= MAX_PADS)
return false;
if (GET_HAT_DIR(joykey))
{
unsigned h = GET_HAT(joykey);
if (h > 0)
return false;
switch (GET_HAT_DIR(joykey))
{
case HAT_LEFT_MASK:
return android_app->hat_state[port][0] == -1;
case HAT_RIGHT_MASK:
return android_app->hat_state[port][0] == 1;
case HAT_UP_MASK:
return android_app->hat_state[port][1] == -1;
case HAT_DOWN_MASK:
return android_app->hat_state[port][1] == 1;
default:
return false;
}
}
return joykey < LAST_KEYCODE && BIT_GET(buf, joykey);
}
static int16_t android_joypad_axis(unsigned port, uint32_t joyaxis)
{
int val = 0;
struct android_app *android_app = (struct android_app*)g_android;
if (joyaxis == AXIS_NONE)
return 0;
if (AXIS_NEG_GET(joyaxis) < MAX_AXIS)
{
val = android_app->analog_state[port][AXIS_NEG_GET(joyaxis)];
if (val > 0)
val = 0;
}
else if (AXIS_POS_GET(joyaxis) < MAX_AXIS)
{
val = android_app->analog_state[port][AXIS_POS_GET(joyaxis)];
if (val < 0)
val = 0;
}
return val;
}
static void android_joypad_poll(void)
{
}
static bool android_joypad_query_pad(unsigned pad)
{
return (pad < MAX_USERS);
}
static void android_joypad_destroy(void)
{
unsigned i, j;
struct android_app *android_app = (struct android_app*)g_android;
for (i = 0; i < MAX_PADS; i++)
{
for (j = 0; j < 2; j++)
android_app->hat_state[i][j] = 0;
for (j = 0; j < MAX_AXIS; j++)
android_app->analog_state[i][j] = 0;
}
}
input_device_driver_t android_joypad = {
android_joypad_init,
android_joypad_query_pad,
android_joypad_destroy,
android_joypad_button,
NULL,
android_joypad_axis,
android_joypad_poll,
NULL,
android_joypad_name,
"android",
};