RetroArch/wii/input.c
2011-12-24 14:41:19 +01:00

116 lines
2.8 KiB
C

/* SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2011 - Hans-Kristian Arntzen
*
* Some code herein may be based on code found in BSNES.
*
* SSNES 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.
*
* SSNES 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 SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <gccore.h>
#include <ogc/pad.h>
#include "../driver.h"
#include "../libsnes.hpp"
#include <stdlib.h>
// Just plain pads for now.
static bool pad_state[5][SSNES_FIRST_META_KEY];
static bool g_quit;
static int16_t wii_input_state(void *data, const struct snes_keybind **binds,
bool port, unsigned device,
unsigned index, unsigned id)
{
(void)data;
(void)binds;
(void)index;
if (device != SNES_DEVICE_JOYPAD)
return 0;
unsigned player = 0;
if (port == SNES_PORT_2 && device == SNES_DEVICE_MULTITAP)
player = index + 1;
else if (port == SNES_PORT_2)
player = 1;
return pad_state[player][id];
}
static void wii_free_input(void *data)
{
(void)data;
}
static void reset_callback(void)
{
g_quit = true;
}
static void *wii_input_init(void)
{
PAD_Init();
SYS_SetResetCallback(reset_callback);
SYS_SetPowerCallback(reset_callback);
return (void*)-1;
}
#define _B(btn) pad_state[i][SNES_DEVICE_ID_JOYPAD_##btn] = down & PAD_BUTTON_##btn
static void wii_input_poll(void *data)
{
(void)data;
unsigned pads = PAD_ScanPads();
for (unsigned i = 0; i < pads; i++)
{
uint16_t down = PAD_ButtonsHeld(i);
_B(B);
_B(Y);
pad_state[i][SNES_DEVICE_ID_JOYPAD_SELECT] = down & PAD_TRIGGER_Z;
_B(START);
_B(UP);
_B(DOWN);
_B(LEFT);
_B(RIGHT);
_B(A);
_B(X);
pad_state[i][SNES_DEVICE_ID_JOYPAD_L] = down & PAD_TRIGGER_L;
pad_state[i][SNES_DEVICE_ID_JOYPAD_R] = down & PAD_TRIGGER_R;
}
}
#undef _B
static bool wii_key_pressed(void *data, int key)
{
(void)data;
switch (key)
{
case SSNES_QUIT_KEY:
return g_quit || pad_state[0][SNES_DEVICE_ID_JOYPAD_START];
default:
return false;
}
}
const input_driver_t input_wii = {
.init = wii_input_init,
.poll = wii_input_poll,
.input_state = wii_input_state,
.key_pressed = wii_key_pressed,
.free = wii_free_input,
.ident = "wii",
};