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RetroArch/input/gx_input.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
* Copyright (C) 2012-2014 - Michael Lelli
*
* 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 <stdint.h>
#ifdef HW_RVL
#include <gccore.h>
#include <ogc/pad.h>
#include <wiiuse/wpad.h>
#else
#include <cafe/pads/wpad/wpad.h>
#endif
#include <string.h>
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327
#endif
#include "../driver.h"
#include "../libretro.h"
#include <stdlib.h>
#ifdef GEKKO
#define WPADInit WPAD_Init
#define WPADDisconnect WPAD_Disconnect
#define WPADProbe WPAD_Probe
#endif
#define WPAD_EXP_SICKSAXIS 253
#define WPAD_EXP_GAMECUBE 254
#ifdef HW_RVL
#ifdef HAVE_LIBSICKSAXIS
#define NUM_DEVICES 5
#else
#define NUM_DEVICES 4
#endif
#else
#define NUM_DEVICES 1
#endif
enum
{
GX_GC_A = 0,
GX_GC_B = 1,
GX_GC_X = 2,
GX_GC_Y = 3,
GX_GC_START = 4,
GX_GC_Z_TRIGGER = 5,
GX_GC_L_TRIGGER = 6,
GX_GC_R_TRIGGER = 7,
GX_GC_UP = 8,
GX_GC_DOWN = 9,
GX_GC_LEFT = 10,
GX_GC_RIGHT = 11,
#ifdef HW_RVL
GX_CLASSIC_A = 20,
GX_CLASSIC_B = 21,
GX_CLASSIC_X = 22,
GX_CLASSIC_Y = 23,
GX_CLASSIC_PLUS = 24,
GX_CLASSIC_MINUS = 25,
GX_CLASSIC_HOME = 26,
GX_CLASSIC_L_TRIGGER = 27,
GX_CLASSIC_R_TRIGGER = 28,
GX_CLASSIC_ZL_TRIGGER = 29,
GX_CLASSIC_ZR_TRIGGER = 30,
GX_CLASSIC_UP = 31,
GX_CLASSIC_DOWN = 32,
GX_CLASSIC_LEFT = 33,
GX_CLASSIC_RIGHT = 34,
GX_WIIMOTE_A = 43,
GX_WIIMOTE_B = 44,
GX_WIIMOTE_1 = 45,
GX_WIIMOTE_2 = 46,
GX_WIIMOTE_PLUS = 47,
GX_WIIMOTE_MINUS = 48,
#if 0
GX_WIIMOTE_HOME = 49,
#endif
GX_WIIMOTE_UP = 50,
GX_WIIMOTE_DOWN = 51,
GX_WIIMOTE_LEFT = 52,
GX_WIIMOTE_RIGHT = 53,
GX_NUNCHUK_Z = 54,
GX_NUNCHUK_C = 55,
GX_NUNCHUK_UP = 56,
GX_NUNCHUK_DOWN = 57,
GX_NUNCHUK_LEFT = 58,
GX_NUNCHUK_RIGHT = 59,
#endif
GX_WIIMOTE_HOME = 49, /* needed on GameCube as "fake" menu button. */
GX_QUIT_KEY = 60,
};
#define GC_JOYSTICK_THRESHOLD (48 * 256)
#define WII_JOYSTICK_THRESHOLD (40 * 256)
#define MAX_PADS 4
typedef struct gx_input
{
uint64_t pad_state[MAX_PADS];
uint32_t ptype[MAX_PADS];
int16_t analog_state[MAX_PADS][2][2];
const rarch_joypad_driver_t *joypad;
} gx_input_t;
static bool g_menu;
#ifdef HW_RVL
static bool g_quit;
static void power_callback(void)
{
g_quit = true;
}
#ifdef HAVE_LIBSICKSAXIS
volatile int lol = 0;
struct ss_device dev[MAX_PADS];
int change_cb(int result, void *usrdata)
{
(*(volatile int*)usrdata)++;
return result;
}
void removal_cb(void *usrdata)
{
RARCH_LOG("Device %d disconnected\n", (int)usrdata);
}
#endif
#endif
static void reset_cb(void)
{
g_menu = true;
}
static int16_t gx_input_state(void *data, const struct retro_keybind **binds,
unsigned port, unsigned device,
unsigned index, unsigned id)
{
gx_input_t *gx = (gx_input_t*)data;
if (port >= MAX_PADS || !gx)
return 0;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return input_joypad_pressed(gx->joypad, port, binds[port], id);;
case RETRO_DEVICE_ANALOG:
return input_joypad_analog(gx->joypad, port, index, id, binds[port]);
default:
return 0;
}
}
static void gx_input_free_input(void *data)
{
gx_input_t *gx = (gx_input_t*)data;
if (!gx)
return;
if (gx->joypad)
gx->joypad->destroy();
free(gx);
}
static const char *gx_joypad_name(unsigned pad)
{
gx_input_t *gx = (gx_input_t*)driver.input_data;
switch (gx->ptype[pad])
{
#ifdef HW_RVL
case WPAD_EXP_NONE:
return "Wiimote Controller";
case WPAD_EXP_NUNCHUK:
return "Nunchuk Controller";
case WPAD_EXP_CLASSIC:
return "Classic Controller";
#ifdef HAVE_LIBSICKSAXIS
case WPAD_EXP_SICKSAXIS:
return "Sixaxis Controller";
#endif
#endif
case WPAD_EXP_GAMECUBE:
return "Gamecube Controller";
default:
return NULL;
}
}
static const char *gx_joypad_name_static(void *data, unsigned pad)
{
gx_input_t *gx = (gx_input_t*)data;
switch (gx->ptype[pad])
{
#ifdef HW_RVL
case WPAD_EXP_NONE:
return "Wiimote Controller";
case WPAD_EXP_NUNCHUK:
return "Nunchuk Controller";
case WPAD_EXP_CLASSIC:
return "Classic Controller";
#ifdef HAVE_LIBSICKSAXIS
case WPAD_EXP_SICKSAXIS:
return "Sixaxis Controller";
#endif
#endif
case WPAD_EXP_GAMECUBE:
return "Gamecube Controller";
default:
return NULL;
}
}
static void *gx_input_init(void)
{
int autoconf_pad;
if (driver.input_data)
return driver.input_data;
gx_input_t *gx = (gx_input_t*)calloc(1, sizeof(*gx));
if (!gx)
return NULL;
SYS_SetResetCallback(reset_cb);
#ifdef HW_RVL
SYS_SetPowerCallback(power_callback);
#endif
gx->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
for (autoconf_pad = 0; autoconf_pad < MAX_PADS; autoconf_pad++)
{
gx->ptype[autoconf_pad] = WPAD_EXP_GAMECUBE;
strlcpy(g_settings.input.device_names[autoconf_pad],
gx_joypad_name_static(gx, autoconf_pad),
sizeof(g_settings.input.device_names[autoconf_pad]));
input_config_autoconfigure_joypad(autoconf_pad,
gx_joypad_name_static(gx, autoconf_pad),
gx->joypad->ident);
}
driver.input_data_own = true;
return gx;
}
static void handle_hotplug(void *data, unsigned port, uint32_t ptype)
{
gx_input_t *gx = (gx_input_t*)data;
gx->ptype[port] = ptype;
if (!g_settings.input.autodetect_enable)
return;
strlcpy(g_settings.input.device_names[port],
gx_joypad_name(port),
sizeof(g_settings.input.device_names[port]));
input_config_autoconfigure_joypad(port,
gx_joypad_name(port), gx_joypad.ident);
}
static void gx_input_poll(void *data)
{
gx_input_t *gx = (gx_input_t*)data;
gx->pad_state[0] = 0;
gx->pad_state[1] = 0;
gx->pad_state[2] = 0;
gx->pad_state[3] = 0;
uint8_t gcpad = PAD_ScanPads();
#ifdef HW_RVL
WPAD_ReadPending(WPAD_CHAN_ALL, NULL);
#endif
for (unsigned port = 0; port < MAX_PADS; port++)
{
uint32_t down = 0;
uint64_t *state_cur = &gx->pad_state[port];
uint32_t ptype = 0;
#ifdef HW_RVL
uint32_t connected = WPADProbe(port, &ptype);
if (connected == WPAD_ERR_NONE)
{
WPADData *wpaddata = WPAD_Data(port);
down = wpaddata->btns_h;
expansion_t *exp = &wpaddata->exp;
*state_cur |= (down & WPAD_BUTTON_A) ? (1ULL << GX_WIIMOTE_A) : 0;
*state_cur |= (down & WPAD_BUTTON_B) ? (1ULL << GX_WIIMOTE_B) : 0;
*state_cur |= (down & WPAD_BUTTON_1) ? (1ULL << GX_WIIMOTE_1) : 0;
*state_cur |= (down & WPAD_BUTTON_2) ? (1ULL << GX_WIIMOTE_2) : 0;
*state_cur |= (down & WPAD_BUTTON_PLUS) ? (1ULL << GX_WIIMOTE_PLUS) : 0;
*state_cur |= (down & WPAD_BUTTON_MINUS) ? (1ULL << GX_WIIMOTE_MINUS) : 0;
*state_cur |= (down & WPAD_BUTTON_HOME) ? (1ULL << GX_WIIMOTE_HOME) : 0;
if (ptype != WPAD_EXP_NUNCHUK)
{
/* Rotated d-pad on Wiimote. */
*state_cur |= (down & WPAD_BUTTON_UP) ? (1ULL << GX_WIIMOTE_LEFT) : 0;
*state_cur |= (down & WPAD_BUTTON_DOWN) ? (1ULL << GX_WIIMOTE_RIGHT) : 0;
*state_cur |= (down & WPAD_BUTTON_LEFT) ? (1ULL << GX_WIIMOTE_DOWN) : 0;
*state_cur |= (down & WPAD_BUTTON_RIGHT) ? (1ULL << GX_WIIMOTE_UP) : 0;
}
if (ptype == WPAD_EXP_CLASSIC)
{
*state_cur |= (down & WPAD_CLASSIC_BUTTON_A) ? (1ULL << GX_CLASSIC_A) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_B) ? (1ULL << GX_CLASSIC_B) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_X) ? (1ULL << GX_CLASSIC_X) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_Y) ? (1ULL << GX_CLASSIC_Y) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_UP) ? (1ULL << GX_CLASSIC_UP) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_DOWN) ? (1ULL << GX_CLASSIC_DOWN) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_LEFT) ? (1ULL << GX_CLASSIC_LEFT) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_RIGHT) ? (1ULL << GX_CLASSIC_RIGHT) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_PLUS) ? (1ULL << GX_CLASSIC_PLUS) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_MINUS) ? (1ULL << GX_CLASSIC_MINUS) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_HOME) ? (1ULL << GX_CLASSIC_HOME) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_FULL_L) ? (1ULL << GX_CLASSIC_L_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_FULL_R) ? (1ULL << GX_CLASSIC_R_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_ZL) ? (1ULL << GX_CLASSIC_ZL_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_ZR) ? (1ULL << GX_CLASSIC_ZR_TRIGGER) : 0;
float ljs_mag = exp->classic.ljs.mag;
float ljs_ang = exp->classic.ljs.ang;
float rjs_mag = exp->classic.rjs.mag;
float rjs_ang = exp->classic.rjs.ang;
if (ljs_mag > 1.0f)
ljs_mag = 1.0f;
else if (ljs_mag < -1.0f)
ljs_mag = -1.0f;
if (rjs_mag > 1.0f)
rjs_mag = 1.0f;
else if (rjs_mag < -1.0f)
rjs_mag = -1.0f;
double ljs_val_x = ljs_mag * sin(M_PI * ljs_ang / 180.0);
double ljs_val_y = -ljs_mag * cos(M_PI * ljs_ang / 180.0);
double rjs_val_x = rjs_mag * sin(M_PI * rjs_ang / 180.0);
double rjs_val_y = -rjs_mag * cos(M_PI * rjs_ang / 180.0);
int16_t ls_x = (int16_t)(ljs_val_x * 32767.0f);
int16_t ls_y = (int16_t)(ljs_val_y * 32767.0f);
int16_t rs_x = (int16_t)(rjs_val_x * 32767.0f);
int16_t rs_y = (int16_t)(rjs_val_y * 32767.0f);
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = ls_x;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = ls_y;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = rs_x;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = rs_y;
}
else if (ptype == WPAD_EXP_NUNCHUK)
{
/* Wiimote is held upright with nunchuk,
* do not change d-pad orientation. */
*state_cur |= (down & WPAD_BUTTON_UP) ? (1ULL << GX_WIIMOTE_UP) : 0;
*state_cur |= (down & WPAD_BUTTON_DOWN) ? (1ULL << GX_WIIMOTE_DOWN) : 0;
*state_cur |= (down & WPAD_BUTTON_LEFT) ? (1ULL << GX_WIIMOTE_LEFT) : 0;
*state_cur |= (down & WPAD_BUTTON_RIGHT) ? (1ULL << GX_WIIMOTE_RIGHT) : 0;
*state_cur |= (down & WPAD_NUNCHUK_BUTTON_Z) ? (1ULL << GX_NUNCHUK_Z) : 0;
*state_cur |= (down & WPAD_NUNCHUK_BUTTON_C) ? (1ULL << GX_NUNCHUK_C) : 0;
float js_mag = exp->nunchuk.js.mag;
float js_ang = exp->nunchuk.js.ang;
if (js_mag > 1.0f)
js_mag = 1.0f;
else if (js_mag < -1.0f)
js_mag = -1.0f;
double js_val_x = js_mag * sin(M_PI * js_ang / 180.0);
double js_val_y = -js_mag * cos(M_PI * js_ang / 180.0);
int16_t x = (int16_t)(js_val_x * 32767.0f);
int16_t y = (int16_t)(js_val_y * 32767.0f);
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = x;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = y;
}
}
#else
ptype = WPAD_EXP_GAMECUBE;
#endif
else
{
if (gcpad & (1 << port))
{
down = PAD_ButtonsHeld(port);
*state_cur |= (down & PAD_BUTTON_A) ? (1ULL << GX_GC_A) : 0;
*state_cur |= (down & PAD_BUTTON_B) ? (1ULL << GX_GC_B) : 0;
*state_cur |= (down & PAD_BUTTON_X) ? (1ULL << GX_GC_X) : 0;
*state_cur |= (down & PAD_BUTTON_Y) ? (1ULL << GX_GC_Y) : 0;
*state_cur |= (down & PAD_BUTTON_UP) ? (1ULL << GX_GC_UP) : 0;
*state_cur |= (down & PAD_BUTTON_DOWN) ? (1ULL << GX_GC_DOWN) : 0;
*state_cur |= (down & PAD_BUTTON_LEFT) ? (1ULL << GX_GC_LEFT) : 0;
*state_cur |= (down & PAD_BUTTON_RIGHT) ? (1ULL << GX_GC_RIGHT) : 0;
*state_cur |= (down & PAD_BUTTON_START) ? (1ULL << GX_GC_START) : 0;
*state_cur |= (down & PAD_TRIGGER_Z) ? (1ULL << GX_GC_Z_TRIGGER) : 0;
*state_cur |= ((down & PAD_TRIGGER_L) || PAD_TriggerL(port) > 127) ? (1ULL << GX_GC_L_TRIGGER) : 0;
*state_cur |= ((down & PAD_TRIGGER_R) || PAD_TriggerR(port) > 127) ? (1ULL << GX_GC_R_TRIGGER) : 0;
int16_t ls_x = (int16_t)PAD_StickX(port) * 256;
int16_t ls_y = (int16_t)PAD_StickY(port) * -256;
int16_t rs_x = (int16_t)PAD_SubStickX(port) * 256;
int16_t rs_y = (int16_t)PAD_SubStickY(port) * -256;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = ls_x;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = ls_y;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = rs_x;
gx->analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = rs_y;
const uint64_t menu_combo = (1ULL << GX_GC_START) | (1ULL << GX_GC_Z_TRIGGER) | (1ULL << GX_GC_L_TRIGGER) | (1ULL << GX_GC_R_TRIGGER);
if ((*state_cur & menu_combo) == menu_combo)
*state_cur |= (1ULL << GX_WIIMOTE_HOME);
ptype = WPAD_EXP_GAMECUBE;
}
#ifdef HAVE_LIBSICKSAXIS
else
{
USB_DeviceChangeNotifyAsync(USB_CLASS_HID, change_cb, (void*)&lol);
if (ss_is_connected(&dev[port]))
{
ptype = WPAD_EXP_SICKSAXIS;
*state_cur |= (dev[port].pad.buttons.PS) ? (1ULL << RARCH_MENU_TOGGLE) : 0;
*state_cur |= (dev[port].pad.buttons.cross) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_B) : 0;
*state_cur |= (dev[port].pad.buttons.square) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
*state_cur |= (dev[port].pad.buttons.select) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0;
*state_cur |= (dev[port].pad.buttons.start) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_START) : 0;
*state_cur |= (dev[port].pad.buttons.up) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
*state_cur |= (dev[port].pad.buttons.down) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
*state_cur |= (dev[port].pad.buttons.left) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
*state_cur |= (dev[port].pad.buttons.right) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
*state_cur |= (dev[port].pad.buttons.circle) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_A) : 0;
*state_cur |= (dev[port].pad.buttons.triangle) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_X) : 0;
*state_cur |= (dev[port].pad.buttons.L1) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L) : 0;
*state_cur |= (dev[port].pad.buttons.R1) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R) : 0;
*state_cur |= (dev[port].pad.buttons.L2) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L2) : 0;
*state_cur |= (dev[port].pad.buttons.R2) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R2) : 0;
*state_cur |= (dev[port].pad.buttons.L3) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L3) : 0;
*state_cur |= (dev[port].pad.buttons.R3) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R3) : 0;
}
else
{
if (ss_open(&dev[port]) > 0)
{
ptype = WPAD_EXP_SICKSAXIS;
ss_start_reading(&dev[port]);
ss_set_removal_cb(&dev[port], removal_cb, (void*)1);
}
}
}
#endif
}
if (ptype != gx->ptype[port])
handle_hotplug(gx, port, ptype);
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
if (gx->analog_state[port][i][j] == -0x8000)
gx->analog_state[port][i][j] = -0x7fff;
}
uint64_t *state_p1 = &gx->pad_state[0];
uint64_t *lifecycle_state = &g_extern.lifecycle_state;
*lifecycle_state &= ~((1ULL << RARCH_MENU_TOGGLE));
if (g_menu)
{
*state_p1 |= (1ULL << GX_WIIMOTE_HOME);
g_menu = false;
}
if (*state_p1 & ((1ULL << GX_WIIMOTE_HOME)
#ifdef HW_RVL
| (1ULL << GX_CLASSIC_HOME)
#endif
))
*lifecycle_state |= (1ULL << RARCH_MENU_TOGGLE);
}
static bool gx_input_key_pressed(void *data, int key)
{
return (g_extern.lifecycle_state & (1ULL << key)) ||
input_joypad_pressed(&gx_joypad, 0, g_settings.input.binds[0], key);
}
static uint64_t gx_input_get_capabilities(void *data)
{
uint64_t caps = 0;
caps |= (1 << RETRO_DEVICE_JOYPAD);
caps |= (1 << RETRO_DEVICE_ANALOG);
return caps;
}
static const rarch_joypad_driver_t *gx_input_get_joypad_driver(void *data)
{
return &gx_joypad;
}
input_driver_t input_gx = {
gx_input_init,
gx_input_poll,
gx_input_state,
gx_input_key_pressed,
gx_input_free_input,
NULL,
NULL,
gx_input_get_capabilities,
"gx",
NULL,
NULL,
gx_input_get_joypad_driver,
};
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