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RetroArch/input/drivers_joypad/gx_joypad.c
twinaphex f0c143766e Change to 256bit macros
2017-12-05 12:07:35 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2012-2015 - 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 <gccore.h>
#include <ogc/pad.h>
#ifdef HW_RVL
#include <wiiuse/wpad.h>
#endif
#include "../../tasks/tasks_internal.h"
#ifdef GEKKO
#define WPADInit WPAD_Init
#define WPADDisconnect WPAD_Disconnect
#define WPADProbe WPAD_Probe
#endif
#define WPAD_EXP_SICKSAXIS 252
#define WPAD_EXP_GAMECUBE 253
#define WPAD_EXP_NOCONTROLLER 254
#ifdef HW_RVL
#define NUM_DEVICES 4
#else
#define NUM_DEVICES 1
#endif
#ifndef MAX_PADS
#define MAX_PADS 4
#endif
enum
{
GX_GC_A = 0,
GX_GC_B = 1,
GX_GC_X = 2,
GX_GC_Y = 3,
GX_GC_START = 4,
GX_GC_HOME = 5,/* needed on GameCube as "fake" menu button. */
GX_GC_Z_TRIGGER = 6,
GX_GC_L_TRIGGER = 7,
GX_GC_R_TRIGGER = 8,
GX_GC_UP = 9,
GX_GC_DOWN = 10,
GX_GC_LEFT = 11,
GX_GC_RIGHT = 12,
#ifdef HW_RVL
GX_CLASSIC_A = 13,
GX_CLASSIC_B = 14,
GX_CLASSIC_X = 15,
GX_CLASSIC_Y = 16,
GX_CLASSIC_PLUS = 17,
GX_CLASSIC_MINUS = 18,
GX_CLASSIC_HOME = 19,
GX_CLASSIC_L_TRIGGER = 20,
GX_CLASSIC_R_TRIGGER = 21,
GX_CLASSIC_ZL_TRIGGER = 22,
GX_CLASSIC_ZR_TRIGGER = 23,
GX_CLASSIC_UP = 24,
GX_CLASSIC_DOWN = 25,
GX_CLASSIC_LEFT = 26,
GX_CLASSIC_RIGHT = 27,
GX_WIIMOTE_A = 28,
GX_WIIMOTE_B = 29,
GX_WIIMOTE_1 = 30,
GX_WIIMOTE_2 = 31,
GX_WIIMOTE_PLUS = 32,
GX_WIIMOTE_MINUS = 33,
GX_WIIMOTE_HOME = 34,
GX_WIIMOTE_UP = 35,
GX_WIIMOTE_DOWN = 36,
GX_WIIMOTE_LEFT = 37,
GX_WIIMOTE_RIGHT = 38,
GX_NUNCHUK_Z = 39,
GX_NUNCHUK_C = 40,
GX_NUNCHUK_UP = 41,
GX_NUNCHUK_DOWN = 42,
GX_NUNCHUK_LEFT = 43,
GX_NUNCHUK_RIGHT = 44,
#endif
GX_QUIT_KEY = 62,
};
#define GC_JOYSTICK_THRESHOLD (48 * 256)
#define WII_JOYSTICK_THRESHOLD (40 * 256)
extern uint64_t lifecycle_state;
static uint64_t pad_state[MAX_PADS];
static uint32_t pad_type[MAX_PADS] = { WPAD_EXP_NOCONTROLLER, WPAD_EXP_NOCONTROLLER, WPAD_EXP_NOCONTROLLER, WPAD_EXP_NOCONTROLLER };
static int16_t analog_state[MAX_PADS][2][2];
static bool g_menu = false;
#ifdef HW_RVL
static bool g_quit = false;
static void power_callback(void)
{
g_quit = true;
}
#endif
static void reset_cb(void)
{
g_menu = true;
}
static const char *gx_joypad_name(unsigned pad)
{
switch (pad_type[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";
#endif
case WPAD_EXP_GAMECUBE:
return "GameCube Controller";
}
return NULL;
}
static void handle_hotplug(unsigned port, uint32_t ptype)
{
pad_type[port] = ptype;
if (ptype != WPAD_EXP_NOCONTROLLER)
{
if (!input_autoconfigure_connect(
gx_joypad_name(port),
NULL,
gx_joypad.ident,
port,
0,
0
))
input_config_set_device_name(port, gx_joypad_name(port));
}
}
static bool gx_joypad_button(unsigned port, uint16_t key)
{
if (port >= MAX_PADS)
return false;
return (pad_state[port] & (UINT64_C(1) << key));
}
static void gx_joypad_get_buttons(unsigned port, retro_bits_t *state)
{
if (port < MAX_PADS)
{
BITS_COPY16_PTR( state, pad_state[port] );
}
else
BIT256_CLEAR_ALL_PTR(state);
}
static int16_t gx_joypad_axis(unsigned port, uint32_t joyaxis)
{
int val = 0;
int axis = -1;
bool is_neg = false;
bool is_pos = false;
if (joyaxis == AXIS_NONE || port >= MAX_PADS)
return 0;
if (AXIS_NEG_GET(joyaxis) < 4)
{
axis = AXIS_NEG_GET(joyaxis);
is_neg = true;
}
else if (AXIS_POS_GET(joyaxis) < 4)
{
axis = AXIS_POS_GET(joyaxis);
is_pos = true;
}
switch (axis)
{
case 0:
val = analog_state[port][0][0];
break;
case 1:
val = analog_state[port][0][1];
break;
case 2:
val = analog_state[port][1][0];
break;
case 3:
val = analog_state[port][1][1];
break;
}
if (is_neg && val > 0)
val = 0;
else if (is_pos && val < 0)
val = 0;
return val;
}
#ifdef HW_RVL
#ifndef PI
#define PI 3.14159265f
#endif
static int16_t WPAD_StickX(WPADData *data, u8 right)
{
float mag = 0.0f;
float ang = 0.0f;
switch (data->exp.type)
{
case WPAD_EXP_NUNCHUK:
case WPAD_EXP_GUITARHERO3:
if (right == 0)
{
mag = data->exp.nunchuk.js.mag;
ang = data->exp.nunchuk.js.ang;
}
break;
case WPAD_EXP_CLASSIC:
if (right == 0)
{
mag = data->exp.classic.ljs.mag;
ang = data->exp.classic.ljs.ang;
}
else
{
mag = data->exp.classic.rjs.mag;
ang = data->exp.classic.rjs.ang;
}
break;
default:
break;
}
/* calculate X value (angle need to be converted into radian) */
if (mag > 1.0f)
mag = 1.0f;
else if (mag < -1.0f)
mag = -1.0f;
double val = mag * sin(PI * ang/180.0f);
return (int16_t)(val * 32767.0f);
}
static int16_t WPAD_StickY(WPADData *data, u8 right)
{
double val;
float mag = 0.0f;
float ang = 0.0f;
switch (data->exp.type)
{
case WPAD_EXP_NUNCHUK:
case WPAD_EXP_GUITARHERO3:
if (right == 0)
{
mag = data->exp.nunchuk.js.mag;
ang = data->exp.nunchuk.js.ang;
}
break;
case WPAD_EXP_CLASSIC:
if (right == 0)
{
mag = data->exp.classic.ljs.mag;
ang = data->exp.classic.ljs.ang;
}
else
{
mag = data->exp.classic.rjs.mag;
ang = data->exp.classic.rjs.ang;
}
break;
default:
break;
}
/* calculate Y value (angle need to be converted into radian) */
if (mag > 1.0f)
mag = 1.0f;
else if (mag < -1.0f)
mag = -1.0f;
val = -mag * cos(PI * ang/180.0f);
return (int16_t)(val * 32767.0f);
}
#endif
static void gx_joypad_poll(void)
{
unsigned i, j, port;
uint8_t gcpad = 0;
uint64_t state_p1;
uint64_t check_menu_toggle;
pad_state[0] = 0;
pad_state[1] = 0;
pad_state[2] = 0;
pad_state[3] = 0;
gcpad = PAD_ScanPads();
#ifdef HW_RVL
if (g_quit)
{
rarch_ctl(RARCH_CTL_SET_SHUTDOWN, NULL);
g_quit = false;
return;
}
WPAD_ReadPending(WPAD_CHAN_ALL, NULL);
#endif
for (port = 0; port < MAX_PADS; port++)
{
uint32_t down = 0, ptype = WPAD_EXP_NOCONTROLLER;
uint64_t *state_cur = &pad_state[port];
if (gcpad & (1 << port))
{
int16_t ls_x, ls_y, rs_x, rs_y;
uint64_t menu_combo = 0;
down = PAD_ButtonsHeld(port);
*state_cur |= (down & PAD_BUTTON_A) ? (UINT64_C(1) << GX_GC_A) : 0;
*state_cur |= (down & PAD_BUTTON_B) ? (UINT64_C(1) << GX_GC_B) : 0;
*state_cur |= (down & PAD_BUTTON_X) ? (UINT64_C(1) << GX_GC_X) : 0;
*state_cur |= (down & PAD_BUTTON_Y) ? (UINT64_C(1) << GX_GC_Y) : 0;
*state_cur |= (down & PAD_BUTTON_UP) ? (UINT64_C(1) << GX_GC_UP) : 0;
*state_cur |= (down & PAD_BUTTON_DOWN) ? (UINT64_C(1) << GX_GC_DOWN) : 0;
*state_cur |= (down & PAD_BUTTON_LEFT) ? (UINT64_C(1) << GX_GC_LEFT) : 0;
*state_cur |= (down & PAD_BUTTON_RIGHT) ? (UINT64_C(1) << GX_GC_RIGHT) : 0;
*state_cur |= (down & PAD_BUTTON_START) ? (UINT64_C(1) << GX_GC_START) : 0;
*state_cur |= (down & PAD_TRIGGER_Z) ? (UINT64_C(1) << GX_GC_Z_TRIGGER) : 0;
*state_cur |= ((down & PAD_TRIGGER_L) || PAD_TriggerL(port) > 127) ? (UINT64_C(1) << GX_GC_L_TRIGGER) : 0;
*state_cur |= ((down & PAD_TRIGGER_R) || PAD_TriggerR(port) > 127) ? (UINT64_C(1) << GX_GC_R_TRIGGER) : 0;
ls_x = (int16_t)PAD_StickX(port) * 256;
ls_y = (int16_t)PAD_StickY(port) * -256;
rs_x = (int16_t)PAD_SubStickX(port) * 256;
rs_y = (int16_t)PAD_SubStickY(port) * -256;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = ls_x;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = ls_y;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = rs_x;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = rs_y;
menu_combo = (UINT64_C(1) << GX_GC_START) | (UINT64_C(1) << GX_GC_Z_TRIGGER) |
(UINT64_C(1) << GX_GC_L_TRIGGER) | (UINT64_C(1) << GX_GC_R_TRIGGER);
if ((*state_cur & menu_combo) == menu_combo)
*state_cur |= (UINT64_C(1) << GX_GC_HOME);
ptype = WPAD_EXP_GAMECUBE;
}
#ifdef HW_RVL
else if (WPADProbe(port, &ptype) == WPAD_ERR_NONE)
{
WPADData *wpaddata = (WPADData*)WPAD_Data(port);
down = wpaddata->btns_h;
*state_cur |= (down & WPAD_BUTTON_A) ? (UINT64_C(1) << GX_WIIMOTE_A) : 0;
*state_cur |= (down & WPAD_BUTTON_B) ? (UINT64_C(1) << GX_WIIMOTE_B) : 0;
*state_cur |= (down & WPAD_BUTTON_1) ? (UINT64_C(1) << GX_WIIMOTE_1) : 0;
*state_cur |= (down & WPAD_BUTTON_2) ? (UINT64_C(1) << GX_WIIMOTE_2) : 0;
*state_cur |= (down & WPAD_BUTTON_PLUS) ? (UINT64_C(1) << GX_WIIMOTE_PLUS) : 0;
*state_cur |= (down & WPAD_BUTTON_MINUS) ? (UINT64_C(1) << GX_WIIMOTE_MINUS) : 0;
*state_cur |= (down & WPAD_BUTTON_HOME) ? (UINT64_C(1) << GX_WIIMOTE_HOME) : 0;
if (ptype != WPAD_EXP_NUNCHUK)
{
/* Rotated d-pad on Wiimote. */
*state_cur |= (down & WPAD_BUTTON_UP) ? (UINT64_C(1) << GX_WIIMOTE_LEFT) : 0;
*state_cur |= (down & WPAD_BUTTON_DOWN) ? (UINT64_C(1) << GX_WIIMOTE_RIGHT) : 0;
*state_cur |= (down & WPAD_BUTTON_LEFT) ? (UINT64_C(1) << GX_WIIMOTE_DOWN) : 0;
*state_cur |= (down & WPAD_BUTTON_RIGHT) ? (UINT64_C(1) << GX_WIIMOTE_UP) : 0;
}
if (ptype == WPAD_EXP_CLASSIC)
{
*state_cur |= (down & WPAD_CLASSIC_BUTTON_A) ? (UINT64_C(1) << GX_CLASSIC_A) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_B) ? (UINT64_C(1) << GX_CLASSIC_B) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_X) ? (UINT64_C(1) << GX_CLASSIC_X) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_Y) ? (UINT64_C(1) << GX_CLASSIC_Y) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_UP) ? (UINT64_C(1) << GX_CLASSIC_UP) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_DOWN) ? (UINT64_C(1) << GX_CLASSIC_DOWN) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_LEFT) ? (UINT64_C(1) << GX_CLASSIC_LEFT) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_RIGHT) ? (UINT64_C(1) << GX_CLASSIC_RIGHT) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_PLUS) ? (UINT64_C(1) << GX_CLASSIC_PLUS) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_MINUS) ? (UINT64_C(1) << GX_CLASSIC_MINUS) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_HOME) ? (UINT64_C(1) << GX_CLASSIC_HOME) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_FULL_L) ? (UINT64_C(1) << GX_CLASSIC_L_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_FULL_R) ? (UINT64_C(1) << GX_CLASSIC_R_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_ZL) ? (UINT64_C(1) << GX_CLASSIC_ZL_TRIGGER) : 0;
*state_cur |= (down & WPAD_CLASSIC_BUTTON_ZR) ? (UINT64_C(1) << GX_CLASSIC_ZR_TRIGGER) : 0;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = WPAD_StickX(wpaddata, 0);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = WPAD_StickY(wpaddata, 0);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = WPAD_StickX(wpaddata, 1);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = WPAD_StickY(wpaddata, 1);
}
else if (ptype == WPAD_EXP_NUNCHUK)
{
/* Wiimote is held upright with nunchuk,
* do not change d-pad orientation. */
*state_cur |= (down & WPAD_BUTTON_UP) ? (UINT64_C(1) << GX_WIIMOTE_UP) : 0;
*state_cur |= (down & WPAD_BUTTON_DOWN) ? (UINT64_C(1) << GX_WIIMOTE_DOWN) : 0;
*state_cur |= (down & WPAD_BUTTON_LEFT) ? (UINT64_C(1) << GX_WIIMOTE_LEFT) : 0;
*state_cur |= (down & WPAD_BUTTON_RIGHT) ? (UINT64_C(1) << GX_WIIMOTE_RIGHT) : 0;
*state_cur |= (down & WPAD_NUNCHUK_BUTTON_Z) ? (UINT64_C(1) << GX_NUNCHUK_Z) : 0;
*state_cur |= (down & WPAD_NUNCHUK_BUTTON_C) ? (UINT64_C(1) << GX_NUNCHUK_C) : 0;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = WPAD_StickX(wpaddata, 0);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = WPAD_StickY(wpaddata, 0);
}
}
#endif
if (ptype != pad_type[port])
handle_hotplug(port, ptype);
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
if (analog_state[port][i][j] == -0x8000)
analog_state[port][i][j] = -0x7fff;
}
state_p1 = pad_state[0];
BIT64_CLEAR(lifecycle_state, RARCH_MENU_TOGGLE);
if (g_menu)
{
state_p1 |= (UINT64_C(1) << GX_GC_HOME);
g_menu = false;
}
check_menu_toggle = UINT64_C(1) << GX_GC_HOME;
#ifdef HW_RVL
check_menu_toggle |= (UINT64_C(1) << GX_WIIMOTE_HOME) | (UINT64_C(1) << GX_CLASSIC_HOME);
#endif
if (check_menu_toggle & state_p1)
BIT64_SET(lifecycle_state, RARCH_MENU_TOGGLE);
}
static bool gx_joypad_init(void *data)
{
int i;
SYS_SetResetCallback(reset_cb);
#ifdef HW_RVL
SYS_SetPowerCallback(power_callback);
#endif
(void)data;
for (i = 0; i < MAX_PADS; i++)
pad_type[i] = WPAD_EXP_NOCONTROLLER;
PAD_Init();
#ifdef HW_RVL
WPADInit();
#endif
gx_joypad_poll();
return true;
}
static bool gx_joypad_query_pad(unsigned pad)
{
return pad < MAX_USERS && pad_type[pad] != WPAD_EXP_NOCONTROLLER;
}
static void gx_joypad_destroy(void)
{
#ifdef HW_RVL
#if 0
int i;
for (i = 0; i < MAX_PADS; i++)
{
/* Commenting this out fixes the Wii
* remote not reconnecting after
* core load, exit, etc. */
WPAD_Flush(i);
WPADDisconnect(i);
}
#endif
#endif
}
input_device_driver_t gx_joypad = {
gx_joypad_init,
gx_joypad_query_pad,
gx_joypad_destroy,
gx_joypad_button,
gx_joypad_get_buttons,
gx_joypad_axis,
gx_joypad_poll,
NULL,
gx_joypad_name,
"gx",
};
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