mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-28 18:50:29 +00:00
137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - Jason Fetters
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* Copyright (C) 2011-2017 - Daniel De Matteis
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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 "../../tasks/tasks_internal.h"
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#include "../input_driver.h"
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/* TODO/FIXME - static global */
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static const hid_driver_t *generic_hid = NULL;
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static void *hid_joypad_init(void *data)
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{
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generic_hid = input_hid_init_first();
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if (!generic_hid)
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return NULL;
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return (void*)-1;
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}
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static bool hid_joypad_query_pad(unsigned pad)
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{
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if (generic_hid && generic_hid->query_pad)
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return generic_hid->query_pad((void*)hid_driver_get_data(), pad);
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return false;
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}
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static void hid_joypad_free(void)
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{
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if (!generic_hid)
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return;
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if (generic_hid->free)
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generic_hid->free((void*)hid_driver_get_data());
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generic_hid = NULL;
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}
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static int32_t hid_joypad_button(unsigned port, uint16_t joykey)
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{
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if (generic_hid && generic_hid->button)
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return generic_hid->button((void*)hid_driver_get_data(), port, joykey);
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return 0;
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}
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static int16_t hid_joypad_axis(unsigned port, uint32_t joyaxis)
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{
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if (generic_hid && generic_hid->axis)
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return generic_hid->axis((void*)hid_driver_get_data(), port, joyaxis);
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return 0;
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}
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static int16_t hid_joypad_state(
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rarch_joypad_info_t *joypad_info,
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const struct retro_keybind *binds,
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unsigned port)
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{
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unsigned i;
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int16_t ret = 0;
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uint16_t port_idx = joypad_info->joy_idx;
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if (port_idx >= DEFAULT_MAX_PADS)
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return 0;
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for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
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{
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/* Auto-binds are per joypad, not per user. */
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const uint64_t joykey = (binds[i].joykey != NO_BTN)
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? binds[i].joykey : joypad_info->auto_binds[i].joykey;
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const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
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? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
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if ((uint16_t)joykey != NO_BTN && hid_joypad_button(
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port_idx, (uint16_t)joykey))
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ret |= ( 1 << i);
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else if (joyaxis != AXIS_NONE &&
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((float)abs(hid_joypad_axis(port_idx, joyaxis))
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/ 0x8000) > joypad_info->axis_threshold)
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ret |= (1 << i);
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}
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return ret;
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}
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static void hid_joypad_get_buttons(unsigned port, input_bits_t *state)
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{
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if (generic_hid && generic_hid->get_buttons)
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generic_hid->get_buttons((void*)hid_driver_get_data(), port, state);
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else
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BIT256_CLEAR_ALL_PTR(state);
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}
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static void hid_joypad_poll(void)
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{
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if (generic_hid && generic_hid->poll)
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generic_hid->poll((void*)hid_driver_get_data());
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}
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static bool hid_joypad_rumble(unsigned pad,
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enum retro_rumble_effect effect, uint16_t strength)
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{
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if (generic_hid && generic_hid->set_rumble)
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return generic_hid->set_rumble((void*)hid_driver_get_data(), pad, effect, strength);
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return false;
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}
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static const char *hid_joypad_name(unsigned pad)
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{
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if (generic_hid && generic_hid->name)
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return generic_hid->name((void*)hid_driver_get_data(), pad);
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return NULL;
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}
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input_device_driver_t hid_joypad = {
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hid_joypad_init,
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hid_joypad_query_pad,
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hid_joypad_free,
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hid_joypad_button,
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hid_joypad_state,
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hid_joypad_get_buttons,
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hid_joypad_axis,
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hid_joypad_poll,
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hid_joypad_rumble,
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NULL,
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hid_joypad_name,
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"hid"
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};
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