UNTESTED - Wii joystick support (thanks Squidman!)
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@ -1,24 +1,24 @@
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_JOYSTICK_WII
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@ -29,26 +29,63 @@
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#include "../SDL_joystick_c.h"
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#include <gccore.h>
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#include <unistd.h>
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#include <wiiuse/wpad.h>
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#define MAX_JOYSTICKS 4
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#define MAX_AXES 6
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#define MAX_BUTTONS 8
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#define MAX_HATS 1
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#define MAX_GC_JOYSTICKS 4
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#define MAX_WII_JOYSTICKS 4
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#define MAX_JOYSTICKS (MAX_GC_JOYSTICKS + MAX_WII_JOYSTICKS)
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#define JOYNAMELEN 8
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#define MAX_GC_AXES 6
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#define MAX_GC_BUTTONS 8
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#define MAX_GC_HATS 1
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/* The private structure used to keep track of a joystick */
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typedef struct joystick_hwdata_t {
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int prev_buttons;
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#define MAX_WII_AXES 8
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#define MAX_WII_BUTTONS 20
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#define MAX_WII_HATS 2
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#define JOYNAMELEN 10
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typedef struct joystick_paddata_t
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{
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u16 prev_buttons;
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s8 stickX;
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s8 stickY;
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s8 substickX;
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s8 substickY;
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u8 triggerL;
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u8 triggerR;
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} joystick_hwdata;
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}joystick_paddata;
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typedef struct joystick_wpaddata_t
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{
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u32 prev_buttons;
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s8 nunchuk_stickX;
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s8 nunchuk_stickY;
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s8 classicL_stickX;
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s8 classicL_stickY;
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s8 classicR_stickX;
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s8 classicR_stickY;
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u8 classic_triggerL;
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u8 classic_triggerR;
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}joystick_wpaddata;
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/* The private structure used to keep track of a joystick */
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typedef struct joystick_hwdata_t
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{
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int index;
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int type;
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union
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{
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joystick_paddata gamecube;
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joystick_wpaddata wiimote;
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};
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}joystick_hwdata;
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static int __jswpad_enabled = 1;
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static int __jspad_enabled = 1;
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static int __numwiijoysticks = 4;
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static int __numgcjoysticks = 4;
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/* Function to scan the system for joysticks.
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* This function should set SDL_numjoysticks to the number of available
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@ -57,22 +94,26 @@ typedef struct joystick_hwdata_t {
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*/
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int SDL_SYS_JoystickInit(void)
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{
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return 4;
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SDL_numjoysticks = 8;
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return 0;
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}
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static char joy_name[] = "port 0";
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static char joy_name[] = "Gamecube 0";
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/* Function to get the device-dependent name of a joystick */
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const char *SDL_SYS_JoystickName(int index)
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{
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sprintf(joy_name, "port %d", index);
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if((index < 4) && (__jswpad_enabled) && (index < __numwiijoysticks))
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sprintf(joy_name, "Wiimote %d", index);
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else if((index < 8) && (__jspad_enabled) && (index < (__numgcjoysticks + 4)) && (index> 3))
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sprintf(joy_name, "Gamecube %d", index);
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return (const char *)joy_name;
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}
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/* Function to open a joystick for use.
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The joystick to open is specified by the index field of the joystick.
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This should fill the nbuttons and naxes fields of the joystick structure.
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It returns 0, or -1 if there is an error.
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The joystick to open is specified by the index field of the joystick.
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This should fill the nbuttons and naxes fields of the joystick structure.
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It returns 0, or -1 if there is an error.
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*/
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int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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{
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@ -84,28 +125,159 @@ int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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return(-1);
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}
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SDL_memset(joystick->hwdata, 0, sizeof(joystick_hwdata));
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/* fill nbuttons, naxes, and nhats fields */
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joystick->nbuttons = MAX_BUTTONS;
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joystick->naxes = MAX_AXES;
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joystick->nhats = MAX_HATS;
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if((joystick->index < 4) && (__jspad_enabled))
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{
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if(joystick->index < __numwiijoysticks)
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{
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((joystick_hwdata*)(joystick->hwdata))->index = joystick->index;
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((joystick_hwdata*)(joystick->hwdata))->type = 0;
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joystick->nbuttons = MAX_WII_BUTTONS;
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joystick->naxes = MAX_WII_AXES;
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joystick->nhats = MAX_WII_HATS;
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}
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}
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else if((joystick->index < 8) && (__jspad_enabled))
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{
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if(joystick->index < (__numgcjoysticks + 4))
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{
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((joystick_hwdata*)(joystick->hwdata))->index = joystick->index - 4;
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((joystick_hwdata*)(joystick->hwdata))->type = 1;
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joystick->nbuttons = MAX_GC_BUTTONS;
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joystick->naxes = MAX_GC_AXES;
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joystick->nhats = MAX_GC_HATS;
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}
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}
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return(0);
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}
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/* Function to update the state of a joystick - called as a device poll.
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* This function shouldn't update the joystick structure directly,
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* but instead should call SDL_PrivateJoystick*() to deliver events
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* and update joystick device state.
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*/
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void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
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static void _HandleWiiJoystickUpdate(SDL_Joystick* joystick)
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{
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int buttons,prev_buttons,i,changed;
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u32 buttons, prev_buttons, changed;
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int i;
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joystick_hwdata *prev_state;
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const int sdl_buttons[] = {
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const u32 sdl_buttons[] =
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{
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WPAD_BUTTON_A,
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WPAD_BUTTON_B,
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WPAD_BUTTON_1,
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WPAD_BUTTON_2,
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WPAD_BUTTON_MINUS,
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WPAD_BUTTON_PLUS,
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WPAD_BUTTON_HOME,
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WPAD_NUNCHUK_BUTTON_Z,
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WPAD_NUNCHUK_BUTTON_C,
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WPAD_CLASSIC_BUTTON_A,
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WPAD_CLASSIC_BUTTON_B,
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WPAD_CLASSIC_BUTTON_X,
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WPAD_CLASSIC_BUTTON_Y,
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WPAD_CLASSIC_BUTTON_FULL_L,
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WPAD_CLASSIC_BUTTON_FULL_R,
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WPAD_CLASSIC_BUTTON_ZL,
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WPAD_CLASSIC_BUTTON_ZR,
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WPAD_CLASSIC_BUTTON_MINUS,
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WPAD_CLASSIC_BUTTON_PLUS,
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WPAD_CLASSIC_BUTTON_HOME
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};
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buttons = WPAD_ButtonsHeld(joystick->index);
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struct expansion_t exp;
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WPAD_Expansion(joystick->index, &exp);
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prev_state = (joystick_hwdata *)joystick->hwdata;
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prev_buttons = prev_state->wiimote.prev_buttons;
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changed = buttons ^ prev_buttons;
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if(changed & (WPAD_BUTTON_LEFT | WPAD_BUTTON_RIGHT | WPAD_BUTTON_DOWN | WPAD_BUTTON_UP))
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{
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int hat = SDL_HAT_CENTERED;
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if(buttons & WPAD_BUTTON_UP) hat |= SDL_HAT_UP;
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if(buttons & WPAD_BUTTON_DOWN) hat |= SDL_HAT_DOWN;
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if(buttons & WPAD_BUTTON_LEFT) hat |= SDL_HAT_LEFT;
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if(buttons & WPAD_BUTTON_RIGHT) hat |= SDL_HAT_RIGHT;
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SDL_PrivateJoystickHat(joystick, 0, hat);
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}
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if(changed & (WPAD_CLASSIC_BUTTON_LEFT | WPAD_CLASSIC_BUTTON_RIGHT |
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WPAD_CLASSIC_BUTTON_DOWN | WPAD_CLASSIC_BUTTON_UP))
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{
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int hat = SDL_HAT_CENTERED;
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if(buttons & WPAD_CLASSIC_BUTTON_UP) hat |= SDL_HAT_UP;
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if(buttons & WPAD_CLASSIC_BUTTON_DOWN) hat |= SDL_HAT_DOWN;
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if(buttons & WPAD_CLASSIC_BUTTON_LEFT) hat |= SDL_HAT_LEFT;
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if(buttons & WPAD_CLASSIC_BUTTON_RIGHT) hat |= SDL_HAT_RIGHT;
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SDL_PrivateJoystickHat(joystick, 1, hat);
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}
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for(i = 0; i < (sizeof(sdl_buttons) / sizeof(sdl_buttons[0])); i++)
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if (changed & sdl_buttons[i])
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SDL_PrivateJoystickButton(joystick, i,
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(buttons & sdl_buttons[i]) ? SDL_PRESSED : SDL_RELEASED);
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prev_state->wiimote.prev_buttons = buttons;
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int axis;
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if(exp.type == EXP_NUNCHUK)
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{
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axis = exp.nunchuk.js.pos.x;
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if(prev_state->wiimote.nunchuk_stickX != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 0, axis << 8);
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prev_state->wiimote.nunchuk_stickX = axis;
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}
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axis = exp.nunchuk.js.pos.y;
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if(prev_state->wiimote.nunchuk_stickY != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 1, axis << 8);
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prev_state->wiimote.nunchuk_stickY = axis;
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}
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}
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if(exp.type == EXP_CLASSIC)
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{
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axis = exp.classic.ljs.pos.x;
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if(prev_state->wiimote.classicL_stickX != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 2, axis << 8);
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prev_state->wiimote.classicL_stickX = axis;
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}
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axis = exp.classic.ljs.pos.y;
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if(prev_state->wiimote.classicL_stickY != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 3, axis << 8);
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prev_state->wiimote.classicL_stickY = axis;
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}
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axis = exp.classic.rjs.pos.x;
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if(prev_state->wiimote.classicR_stickX != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 4, axis << 8);
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prev_state->wiimote.classicR_stickX = axis;
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}
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axis = exp.classic.rjs.pos.y;
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if(prev_state->wiimote.classicR_stickY != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 5, axis << 8);
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prev_state->wiimote.classicR_stickY = axis;
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}
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axis = exp.classic.r_shoulder;
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if(prev_state->wiimote.classic_triggerR != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 6, axis << 8);
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prev_state->wiimote.classic_triggerR = axis;
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}
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axis = exp.classic.l_shoulder;
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if(prev_state->wiimote.classic_triggerL != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 7, axis << 8);
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prev_state->wiimote.classic_triggerL = axis;
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}
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}
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}
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static void _HandleGCJoystickUpdate(SDL_Joystick* joystick)
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{
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u16 buttons, prev_buttons, changed;
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int i;
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joystick_hwdata *prev_state;
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const int sdl_buttons[] =
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{
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PAD_BUTTON_A,
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PAD_BUTTON_B,
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PAD_BUTTON_X,
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@ -116,91 +288,105 @@ void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
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PAD_BUTTON_START
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};
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if (!joystick) return;
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buttons = PAD_ButtonsHeld(joystick->index);
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buttons = PAD_ButtonsHeld(joystick->index - 4);
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prev_state = (joystick_hwdata *)joystick->hwdata;
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prev_buttons = prev_state->gamecube.prev_buttons;
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changed = buttons ^ prev_buttons;
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prev_buttons = prev_state->prev_buttons;
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changed = buttons^prev_buttons;
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if ((changed)&(PAD_BUTTON_LEFT|PAD_BUTTON_RIGHT|PAD_BUTTON_DOWN|PAD_BUTTON_UP)) {
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if(changed & (PAD_BUTTON_LEFT | PAD_BUTTON_RIGHT | PAD_BUTTON_DOWN | PAD_BUTTON_UP))
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{
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int hat = SDL_HAT_CENTERED;
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if (buttons&PAD_BUTTON_UP) hat|=SDL_HAT_UP;
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if (buttons&PAD_BUTTON_DOWN) hat|=SDL_HAT_DOWN;
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if (buttons&PAD_BUTTON_LEFT) hat|=SDL_HAT_LEFT;
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if (buttons&PAD_BUTTON_RIGHT) hat|=SDL_HAT_RIGHT;
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if(buttons & PAD_BUTTON_UP) hat |= SDL_HAT_UP;
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if(buttons & PAD_BUTTON_DOWN) hat |= SDL_HAT_DOWN;
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if(buttons & PAD_BUTTON_LEFT) hat |= SDL_HAT_LEFT;
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if(buttons & PAD_BUTTON_RIGHT) hat |= SDL_HAT_RIGHT;
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SDL_PrivateJoystickHat(joystick, 0, hat);
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}
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for(i=0;i<sizeof(sdl_buttons)/sizeof(sdl_buttons[0]);i++) {
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if (changed & sdl_buttons[i]) {
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SDL_PrivateJoystickButton(joystick, i, (buttons & sdl_buttons[i])?SDL_PRESSED:SDL_RELEASED);
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}
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}
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prev_state->prev_buttons = buttons;
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for(i = 0; i < (sizeof(sdl_buttons) / sizeof(sdl_buttons[0])); i++)
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if (changed & sdl_buttons[i])
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SDL_PrivateJoystickButton(joystick, i,
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(buttons & sdl_buttons[i]) ? SDL_PRESSED : SDL_RELEASED);
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prev_state->gamecube.prev_buttons = buttons;
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int axis = PAD_StickX(joystick->index);
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if ( prev_state->stickX != axis ) {
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SDL_PrivateJoystickAxis(joystick, 0, axis << 8 );
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prev_state->stickX = axis;
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if(prev_state->gamecube.stickX != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 0, axis << 8);
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prev_state->gamecube.stickX = axis;
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}
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axis = PAD_StickY(joystick->index);
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if ( prev_state->stickY != axis ) {
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if(prev_state->gamecube.stickY != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 1, (-axis) << 8);
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prev_state->stickY = axis;
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prev_state->gamecube.stickY = axis;
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}
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axis = PAD_SubStickX(joystick->index);
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if ( prev_state->substickX != axis ) {
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if(prev_state->gamecube.substickX != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 2, axis << 8);
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prev_state->substickX = axis;
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prev_state->gamecube.substickX = axis;
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}
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axis = PAD_SubStickY(joystick->index);
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if ( prev_state->substickY != axis ) {
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if(prev_state->gamecube.substickY != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 3, axis << 8);
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prev_state->substickY = axis;
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prev_state->gamecube.substickY = axis;
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}
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axis = PAD_TriggerL(joystick->index);
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if ( prev_state->triggerL != axis ) {
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if(prev_state->gamecube.triggerL != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 4, axis << 8);
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prev_state->triggerL = axis;
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prev_state->gamecube.triggerL = axis;
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}
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axis = PAD_TriggerR(joystick->index);
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if ( prev_state->triggerR != axis ) {
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if(prev_state->gamecube.triggerR != axis)
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{
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SDL_PrivateJoystickAxis(joystick, 5, axis << 8);
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prev_state->triggerR = axis;
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prev_state->gamecube.triggerR = axis;
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}
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}
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/* Function to update the state of a joystick - called as a device poll.
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* This function shouldn't update the joystick structure directly,
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* but instead should call SDL_PrivateJoystick*() to deliver events
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* and update joystick device state.
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*/
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void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
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{
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if(!joystick)
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return;
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||||
switch(((joystick_hwdata*)(joystick->hwdata))->type)
|
||||
{
|
||||
case 0:
|
||||
if(__jswpad_enabled)
|
||||
_HandleWiiJoystickUpdate(joystick);
|
||||
break;
|
||||
case 1:
|
||||
if(__jspad_enabled)
|
||||
_HandleGCJoystickUpdate(joystick);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Function to close a joystick after use */
|
||||
void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
|
||||
{
|
||||
if (joystick->hwdata != NULL) {
|
||||
/* free system specific hardware data */
|
||||
if (joystick->hwdata != NULL)
|
||||
SDL_free(joystick->hwdata);
|
||||
}
|
||||
}
|
||||
|
||||
/* Function to perform any system-specific joystick related cleanup */
|
||||
void SDL_SYS_JoystickQuit(void)
|
||||
{
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
#endif /* SDL_JOYSTICK_DC */
|
||||
|
|
|
|||
Reference in a new issue