mirror of
https://github.com/libretro/RetroArch
synced 2025-02-03 17:54:04 +00:00
8d7ec021f5
Issues: * Wiimote with nunchuk attached has button holding issue, Classic Controller might have same issue * Have to decide how D-Pad emulation should work with Wiimotes and GC controllers * Add special cases for menu navigation for holding up/down/left/right
291 lines
10 KiB
C
291 lines
10 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2012 - Hans-Kristian Arntzen
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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 <gccore.h>
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#include <ogc/pad.h>
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#ifdef HW_RVL
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#include <wiiuse/wpad.h>
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#endif
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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 "wii_input.h"
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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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#define JOYSTICK_THRESHOLD 64
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static uint64_t pad_state[4];
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static bool g_quit;
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static int16_t wii_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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(void)data;
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(void)index;
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if (port >= 4 || device != RETRO_DEVICE_JOYPAD)
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return 0;
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return (binds[port][id].joykey & pad_state[port]) ? 1 : 0;
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}
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static void wii_free_input(void *data)
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{
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(void)data;
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}
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static void reset_callback(void)
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{
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g_quit = true;
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}
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void wii_input_map_dpad_to_stick(uint32_t map_dpad_enum, uint32_t controller_id)
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{
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// TODO: how do we choose a classic controller configuration over a gc controller one?
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switch(map_dpad_enum)
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{
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case DPAD_EMULATION_NONE:
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_UP].joykey = platform_keys[WII_DEVICE_GC_ID_JOYPAD_UP].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_DOWN].joykey = platform_keys[WII_DEVICE_GC_ID_JOYPAD_DOWN].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_LEFT].joykey = platform_keys[WII_DEVICE_GC_ID_JOYPAD_LEFT].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_RIGHT].joykey = platform_keys[WII_DEVICE_GC_ID_JOYPAD_RIGHT].joykey;
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break;
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case DPAD_EMULATION_LSTICK:
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_UP].joykey = platform_keys[WII_DEVICE_GC_ID_LSTICK_UP_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_DOWN].joykey = platform_keys[WII_DEVICE_GC_ID_LSTICK_DOWN_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_LEFT].joykey = platform_keys[WII_DEVICE_GC_ID_LSTICK_LEFT_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_RIGHT].joykey = platform_keys[WII_DEVICE_GC_ID_LSTICK_RIGHT_DPAD].joykey;
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break;
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case DPAD_EMULATION_RSTICK:
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_UP].joykey = platform_keys[WII_DEVICE_GC_ID_RSTICK_UP_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_DOWN].joykey = platform_keys[WII_DEVICE_GC_ID_RSTICK_DOWN_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_LEFT].joykey = platform_keys[WII_DEVICE_GC_ID_RSTICK_LEFT_DPAD].joykey;
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g_settings.input.binds[controller_id][RETRO_DEVICE_ID_JOYPAD_RIGHT].joykey = platform_keys[WII_DEVICE_GC_ID_RSTICK_RIGHT_DPAD].joykey;
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break;
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}
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}
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static void *wii_input_initialize(void)
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{
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PAD_Init();
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#ifdef HW_RVL
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WPAD_Init();
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#endif
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SYS_SetResetCallback(reset_callback);
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SYS_SetPowerCallback(reset_callback);
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for(unsigned i = 0; i < 4; i++)
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wii_input_map_dpad_to_stick(g_settings.input.dpad_emulation[i], i);
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return (void*)-1;
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}
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#define wii_stick_x(x) ((s8)((sin((x).ang * M_PI / 180.0f)) * (x).mag * 128.0f))
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#define wii_stick_y(x) ((s8)((cos((x).ang * M_PI / 180.0f)) * (x).mag * 128.0f))
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uint64_t wii_input_update(unsigned port)
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{
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unsigned pads = PAD_ScanPads();
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#ifdef HW_RVL
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unsigned wpads = WPAD_ScanPads();
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#endif
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uint64_t state = 0;
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if (port < pads)
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{
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uint16_t down = PAD_ButtonsHeld(port) | PAD_ButtonsDown(port);
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down &= ~PAD_ButtonsUp(port);
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state |= (down & PAD_BUTTON_A) ? WII_GC_A : 0;
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state |= (down & PAD_BUTTON_B) ? WII_GC_B : 0;
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state |= (down & PAD_BUTTON_X) ? WII_GC_X : 0;
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state |= (down & PAD_BUTTON_Y) ? WII_GC_Y : 0;
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state |= (down & PAD_BUTTON_UP) ? WII_GC_UP : 0;
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state |= (down & PAD_BUTTON_DOWN) ? WII_GC_DOWN : 0;
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state |= (down & PAD_BUTTON_LEFT) ? WII_GC_LEFT : 0;
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state |= (down & PAD_BUTTON_RIGHT) ? WII_GC_RIGHT : 0;
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state |= (down & PAD_BUTTON_START) ? WII_GC_START : 0;
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state |= (down & PAD_TRIGGER_Z) ? WII_GC_Z_TRIGGER : 0;
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state |= (PAD_TriggerL(port) > 127) ? WII_GC_L_TRIGGER : 0;
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state |= (PAD_TriggerR(port) > 127) ? WII_GC_R_TRIGGER : 0;
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s8 x = PAD_StickX(port);
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s8 y = PAD_StickY(port);
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if (abs(x) > JOYSTICK_THRESHOLD)
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{
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state |= x > 0 ? WII_GC_LSTICK_RIGHT : WII_GC_LSTICK_LEFT;
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}
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if (abs(y) > JOYSTICK_THRESHOLD)
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{
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state |= y > 0 ? WII_GC_LSTICK_UP : WII_GC_LSTICK_DOWN;
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}
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x = PAD_SubStickX(port);
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y = PAD_SubStickY(port);
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if (abs(x) > JOYSTICK_THRESHOLD)
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{
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state |= x > 0 ? WII_GC_RSTICK_RIGHT : WII_GC_RSTICK_LEFT;
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}
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if (abs(y) > JOYSTICK_THRESHOLD)
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{
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state |= y > 0 ? WII_GC_RSTICK_UP : WII_GC_RSTICK_DOWN;
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}
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}
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#ifdef HW_RVL
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if (port < wpads)
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{
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uint32_t down = WPAD_ButtonsHeld(port) | WPAD_ButtonsDown(port);
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down &= ~WPAD_ButtonsUp(port);
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state |= (down & WPAD_BUTTON_A) ? WII_WIIMOTE_A : 0;
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state |= (down & WPAD_BUTTON_B) ? WII_WIIMOTE_B : 0;
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state |= (down & WPAD_BUTTON_1) ? WII_WIIMOTE_1 : 0;
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state |= (down & WPAD_BUTTON_2) ? WII_WIIMOTE_2 : 0;
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state |= (down & WPAD_BUTTON_PLUS) ? WII_WIIMOTE_PLUS : 0;
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state |= (down & WPAD_BUTTON_MINUS) ? WII_WIIMOTE_MINUS : 0;
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state |= (down & WPAD_BUTTON_HOME) ? WII_WIIMOTE_HOME : 0;
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expansion_t exp;
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WPAD_Expansion(port, &exp);
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switch (exp.type)
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{
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case WPAD_EXP_NUNCHUK:
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{
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// wiimote is held upright with nunchuk, do not change d-pad orientation
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state |= (down & WPAD_BUTTON_UP) ? WII_WIIMOTE_UP : 0;
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state |= (down & WPAD_BUTTON_DOWN) ? WII_WIIMOTE_DOWN : 0;
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state |= (down & WPAD_BUTTON_LEFT) ? WII_WIIMOTE_LEFT : 0;
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state |= (down & WPAD_BUTTON_RIGHT) ? WII_WIIMOTE_RIGHT : 0;
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state |= (down & WPAD_NUNCHUK_BUTTON_Z) ? WII_NUNCHUK_Z : 0;
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state |= (down & WPAD_NUNCHUK_BUTTON_C) ? WII_NUNCHUK_C : 0;
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s8 x = wii_stick_x(exp.nunchuk.js);
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s8 y = wii_stick_y(exp.nunchuk.js);
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if (abs(x) > JOYSTICK_THRESHOLD)
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{
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state |= x > 0 ? WII_NUNCHUK_RIGHT : WII_NUNCHUK_LEFT;
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}
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if (abs(y) > JOYSTICK_THRESHOLD)
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{
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state |= y > 0 ? WII_NUNCHUK_UP : WII_NUNCHUK_DOWN;
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}
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break;
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}
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case WPAD_EXP_CLASSIC:
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{
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state |= (down & WPAD_CLASSIC_BUTTON_A) ? WII_CLASSIC_A : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_B) ? WII_CLASSIC_B : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_X) ? WII_CLASSIC_X : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_Y) ? WII_CLASSIC_Y : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_PLUS) ? WII_CLASSIC_PLUS : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_MINUS) ? WII_CLASSIC_MINUS : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_HOME) ? WII_CLASSIC_HOME : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_FULL_L) ? WII_CLASSIC_L_TRIGGER : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_FULL_R) ? WII_CLASSIC_R_TRIGGER : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_ZL) ? WII_CLASSIC_ZL_TRIGGER : 0;
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state |= (down & WPAD_CLASSIC_BUTTON_ZR) ? WII_CLASSIC_ZR_TRIGGER : 0;
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s8 x = wii_stick_x(exp.classic.ljs);
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s8 y = wii_stick_y(exp.classic.ljs);
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if (abs(x) > JOYSTICK_THRESHOLD)
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{
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state |= x > 0 ? WII_CLASSIC_LSTICK_RIGHT : WII_CLASSIC_LSTICK_LEFT;
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}
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if (abs(y) > JOYSTICK_THRESHOLD)
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{
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state |= y > 0 ? WII_CLASSIC_LSTICK_UP : WII_CLASSIC_LSTICK_DOWN;
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}
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x = wii_stick_x(exp.classic.rjs);
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y = wii_stick_y(exp.classic.rjs);
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if (abs(x) > JOYSTICK_THRESHOLD)
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{
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state |= x > 0 ? WII_CLASSIC_RSTICK_RIGHT : WII_CLASSIC_RSTICK_LEFT;
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}
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if (abs(y) > JOYSTICK_THRESHOLD)
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{
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state |= y > 0 ? WII_CLASSIC_RSTICK_UP : WII_CLASSIC_RSTICK_DOWN;
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}
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// do not return, fall through for wiimote d-pad
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}
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default:
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// rotated d-pad
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state |= (down & WPAD_BUTTON_UP) ? WII_WIIMOTE_LEFT : 0;
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state |= (down & WPAD_BUTTON_DOWN) ? WII_WIIMOTE_RIGHT : 0;
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state |= (down & WPAD_BUTTON_LEFT) ? WII_WIIMOTE_DOWN : 0;
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state |= (down & WPAD_BUTTON_RIGHT) ? WII_WIIMOTE_UP : 0;
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break;
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}
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}
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#endif
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if ((state & (WII_GC_START | WII_GC_Z_TRIGGER | WII_GC_L_TRIGGER | WII_GC_R_TRIGGER)) == (WII_GC_START | WII_GC_Z_TRIGGER | WII_GC_L_TRIGGER | WII_GC_R_TRIGGER))
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{
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state |= WII_WIIMOTE_HOME;
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}
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if (port == 0 && g_quit)
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{
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state |= WII_WIIMOTE_HOME;
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g_quit = false;
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}
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return state;
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}
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static void wii_input_poll(void *data)
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{
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(void)data;
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for (unsigned i = 0; i < 4; i++)
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{
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pad_state[i] = wii_input_update(i);
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}
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}
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static bool wii_key_pressed(void *data, int key)
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{
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(void)data;
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switch (key)
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{
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case RARCH_QUIT_KEY:
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return pad_state[0] & (WII_CLASSIC_HOME | WII_WIIMOTE_HOME) ? true : false;
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default:
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return false;
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}
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}
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const input_driver_t input_wii = {
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.init = wii_input_initialize,
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.poll = wii_input_poll,
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.input_state = wii_input_state,
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.key_pressed = wii_key_pressed,
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.free = wii_free_input,
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.ident = "wii",
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};
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