diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/joystick/nds/SDL_sysjoystick.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/joystick/nds/SDL_sysjoystick.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/joystick/nds/SDL_sysjoystick.c b/distrib/sdl-1.2.15/src/joystick/nds/SDL_sysjoystick.c new file mode 100644 index 0000000..122f48d --- /dev/null +++ b/distrib/sdl-1.2.15/src/joystick/nds/SDL_sysjoystick.c @@ -0,0 +1,150 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* This is the system specific header for the SDL joystick API */ +#include <nds.h> +//#include <nds/registers_alt.h> + +#include "SDL_error.h" +#include "SDL_events.h" +#include "SDL_joystick.h" +#include "../SDL_sysjoystick.h" +#include "../SDL_joystick_c.h" + +#include "../../video/nds/SDL_ndsevents_c.h" + +/* Function to scan the system for joysticks. + * This function should set SDL_numjoysticks to the number of available + * joysticks. Joystick 0 should be the system default joystick. + * It should return 0, or -1 on an unrecoverable fatal error. + */ +int SDL_SYS_JoystickInit(void) +{ + SDL_numjoysticks = 1; + //keysInit(); + + return(1); +} + +/* Function to get the device-dependent name of a joystick */ +const char *SDL_SYS_JoystickName(int index) +{ + if(!index) + return "NDS builtin joypad"; + SDL_SetError("No joystick available with that index"); + return (NULL); +} + +/* Function to open a joystick for use. + The joystick to open is specified by the index field of the joystick. + This should fill the nbuttons and naxes fields of the joystick structure. + It returns 0, or -1 if there is an error. + */ +int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) +{ + joystick->nbuttons=8; + joystick->nhats=0; + joystick->nballs=0; + joystick->naxes=2; + return 0; +} + + +/* Function to update the state of a joystick - called as a device poll. + * This function shouldn't update the joystick structure directly, + * but instead should call SDL_PrivateJoystick*() to deliver events + * and update joystick device state. + */ + +int prevbutton=0; +int prevkey=0; + +int dc=0;int ldc=0; +u32 keysd,keysu=0; +void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) +{ + //dc=keysd; + //if (dc) + //{ + //fprintf(stderr,"heartbeat= %d\n",REG_VCOUNT); + //swiWaitForVBlank(); + //scanKeys(); + //keysd = keysDown(); + //keysu = keysUp(); + //ldc=keysd; + + //} + /*if (prevkey && prevbutton) + { + scanKeys(); + } + */ + + //scanKeys(); + keysd = keysDown(); + keysu = keysUp(); + + + short ax=0,v=0,h=0; + if((keysd&KEY_UP)) {ax=1;v=-10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_UP;}//fprintf(stderr,"KEY_UP\n");} + if((keysd&KEY_DOWN)) {ax=1;v=10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_DOWN;}//fprintf(stderr,"KEY_DOWN\n");} + if((keysd&KEY_LEFT)) {ax=0;h=-10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_LEFT;}//fprintf(stderr,"KEY_LEFT\n");} + if((keysd&KEY_RIGHT)) {ax=0;h=10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_RIGHT;}//fprintf(stderr,"KEY_RIGHT\n");} + + if((keysu&KEY_UP)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_UP\n");} + if((keysu&KEY_DOWN)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_DOWN\n");} + if((keysu&KEY_LEFT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_LEFT\n");} + if((keysu&KEY_RIGHT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_RIGHT\n");} + + if((keysd&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_PRESSED);prevbutton=KEY_A;} + if((keysd&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_PRESSED);prevbutton=KEY_B;} + if((keysd&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_PRESSED);prevbutton=KEY_X;} + if((keysd&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_PRESSED);prevbutton=KEY_Y;} + if((keysd&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_PRESSED);prevbutton=KEY_SELECT;} + if((keysd&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_PRESSED);prevbutton=KEY_START;} + if((keysd&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_PRESSED);prevbutton=KEY_L;} + if((keysd&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_PRESSED);prevbutton=KEY_R;} + + if((keysu&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_RELEASED);prevbutton=0;} + if((keysu&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_RELEASED);prevbutton=0;} + + + +} + +/* Function to close a joystick after use */ +void SDL_SYS_JoystickClose(SDL_Joystick *joystick) +{ +} + +/* Function to perform any system-specific joystick related cleanup */ +void SDL_SYS_JoystickQuit(void) +{ +} + |