mirror of
https://github.com/libretro/RetroArch.git
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127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2014 - Daniel De Matteis
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* Copyright (C) 2012-2014 - Michael Lelli
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <string.h>
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846264338327
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#endif
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#include "../driver.h"
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#include "../libretro.h"
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#include <stdlib.h>
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#ifndef MAX_PADS
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#define MAX_PADS 4
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#endif
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typedef struct gx_input
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{
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const rarch_joypad_driver_t *joypad;
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} gx_input_t;
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static int16_t gx_input_state(void *data, const struct retro_keybind **binds,
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unsigned port, unsigned device,
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unsigned index, unsigned id)
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{
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gx_input_t *gx = (gx_input_t*)data;
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if (port >= MAX_PADS || !gx)
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return 0;
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switch (device)
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{
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case RETRO_DEVICE_JOYPAD:
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return input_joypad_pressed(gx->joypad, port, binds[port], id);;
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case RETRO_DEVICE_ANALOG:
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return input_joypad_analog(gx->joypad, port, index, id, binds[port]);
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}
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return 0;
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}
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static void gx_input_free_input(void *data)
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{
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gx_input_t *gx = (gx_input_t*)data;
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if (!gx)
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return;
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if (gx->joypad)
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gx->joypad->destroy();
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free(gx);
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}
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static void *gx_input_init(void)
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{
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gx_input_t *gx = (gx_input_t*)calloc(1, sizeof(*gx));
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if (!gx)
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return NULL;
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gx->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
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return gx;
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}
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static void gx_input_poll(void *data)
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{
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gx_input_t *gx = (gx_input_t*)data;
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if (gx && gx->joypad)
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gx->joypad->poll();
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}
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static bool gx_input_key_pressed(void *data, int key)
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{
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gx_input_t *gx = (gx_input_t*)data;
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return (g_extern.lifecycle_state & (1ULL << key)) ||
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input_joypad_pressed(gx->joypad, 0, g_settings.input.binds[0], key);
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}
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static uint64_t gx_input_get_capabilities(void *data)
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{
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(void)data;
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return (1 << RETRO_DEVICE_JOYPAD) | (1 << RETRO_DEVICE_ANALOG);
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}
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static const rarch_joypad_driver_t *gx_input_get_joypad_driver(void *data)
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{
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gx_input_t *gx = (gx_input_t*)data;
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if (gx)
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return gx->joypad;
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return NULL;
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}
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input_driver_t input_gx = {
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gx_input_init,
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gx_input_poll,
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gx_input_state,
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gx_input_key_pressed,
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gx_input_free_input,
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NULL,
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NULL,
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gx_input_get_capabilities,
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"gx",
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NULL,
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NULL,
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gx_input_get_joypad_driver,
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};
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