SDL_Quit();
}
+#define SCREEN_WIDTH 640
+#define SCREEN_HEIGHT 480
+
+void WatchJoysticks()
+{
+ SDL_Surface *screen;
+ const char *name;
+ int i, done;
+ SDL_Event event;
+ int x, y, draw;
+ SDL_Rect axis_area[2];
+ int joystick_nr = 0;
+ SDL_Joystick *joystick = Get_SDL_Joystick(joystick_nr);
+
+ /* Set a video mode to display joystick axis position */
+ screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 16, 0);
+ if ( screen == NULL ) {
+ fprintf(stderr, "Couldn't set video mode: %s\n",SDL_GetError());
+ return;
+ }
+
+ /* Print info about the joysticks we are watching */
+ for (i=0; i<2; i++)
+ {
+ joystick = Get_SDL_Joystick(i);
+
+ name = SDL_JoystickName(i);
+ printf("Watching joystick %d: (%s)\n", i,
+ name ? name : "Unknown Joystick");
+ printf("Joystick has %d axes, %d hats, %d balls, and %d buttons\n",
+ SDL_JoystickNumAxes(joystick),
+ SDL_JoystickNumHats(joystick),
+ SDL_JoystickNumBalls(joystick),
+ SDL_JoystickNumButtons(joystick));
+ }
+
+ /* Initialize drawing rectangles */
+ memset(axis_area, 0, (sizeof axis_area));
+ draw = 0;
+
+ /* Loop, getting joystick events! */
+ done = 0;
+ while ( ! done ) {
+ while ( SDL_PollEvent(&event) ) {
+ switch (event.type) {
+ case SDL_JOYAXISMOTION:
+ joystick_nr = event.jaxis.which;
+ printf("Joystick %d axis %d value: %d\n",
+ event.jaxis.which,
+ event.jaxis.axis,
+ event.jaxis.value);
+ break;
+ case SDL_JOYHATMOTION:
+ joystick_nr = event.jaxis.which;
+ printf("Joystick %d hat %d value:",
+ event.jhat.which,
+ event.jhat.hat);
+ if ( event.jhat.value == SDL_HAT_CENTERED )
+ printf(" centered");
+ if ( event.jhat.value & SDL_HAT_UP )
+ printf(" up");
+ if ( event.jhat.value & SDL_HAT_RIGHT )
+ printf(" right");
+ if ( event.jhat.value & SDL_HAT_DOWN )
+ printf(" down");
+ if ( event.jhat.value & SDL_HAT_LEFT )
+ printf(" left");
+ printf("\n");
+ break;
+ case SDL_JOYBALLMOTION:
+ joystick_nr = event.jaxis.which;
+ printf("Joystick %d ball %d delta: (%d,%d)\n",
+ event.jball.which,
+ event.jball.ball,
+ event.jball.xrel,
+ event.jball.yrel);
+ break;
+ case SDL_JOYBUTTONDOWN:
+ joystick_nr = event.jaxis.which;
+ printf("Joystick %d button %d down\n",
+ event.jbutton.which,
+ event.jbutton.button);
+ break;
+ case SDL_JOYBUTTONUP:
+ joystick_nr = event.jaxis.which;
+ printf("Joystick %d button %d up\n",
+ event.jbutton.which,
+ event.jbutton.button);
+ break;
+ case SDL_KEYDOWN:
+ if ( event.key.keysym.sym != SDLK_ESCAPE ) {
+ break;
+ }
+ /* Fall through to signal quit */
+ case SDL_QUIT:
+ done = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+ joystick = Get_SDL_Joystick(joystick_nr);
+
+ /* Update visual joystick state */
+ for ( i=0; i<SDL_JoystickNumButtons(joystick); ++i ) {
+ SDL_Rect area;
+
+ area.x = i*34;
+ area.y = SCREEN_HEIGHT-34;
+ area.w = 32;
+ area.h = 32;
+ if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) {
+ SDL_FillRect(screen, &area, 0xFFFF);
+ } else {
+ SDL_FillRect(screen, &area, 0x0000);
+ }
+ SDL_UpdateRects(screen, 1, &area);
+ }
+
+ /* Erase previous axes */
+ SDL_FillRect(screen, &axis_area[draw], 0x0000);
+
+ /* Draw the X/Y axis */
+ draw = !draw;
+ x = (((int)SDL_JoystickGetAxis(joystick, 0))+32768);
+ x *= SCREEN_WIDTH;
+ x /= 65535;
+ if ( x < 0 ) {
+ x = 0;
+ } else
+ if ( x > (SCREEN_WIDTH-16) ) {
+ x = SCREEN_WIDTH-16;
+ }
+ y = (((int)SDL_JoystickGetAxis(joystick, 1))+32768);
+ y *= SCREEN_HEIGHT;
+ y /= 65535;
+ if ( y < 0 ) {
+ y = 0;
+ } else
+ if ( y > (SCREEN_HEIGHT-16) ) {
+ y = SCREEN_HEIGHT-16;
+ }
+ axis_area[draw].x = (Sint16)x;
+ axis_area[draw].y = (Sint16)y;
+ axis_area[draw].w = 16;
+ axis_area[draw].h = 16;
+ SDL_FillRect(screen, &axis_area[draw], 0xFFFF);
+
+ SDL_UpdateRects(screen, 2, axis_area);
+ }
+}
+
+void TEST_SDL_JOYSTICK()
+{
+ const char *name;
+ int i;
+
+ /* Initialize SDL (Note: video is required to start event loop) */
+ if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_JOYSTICK) < 0 )
+ {
+ fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
+ exit(1);
+ }
+
+ /* Print information about the joysticks */
+ printf("There are %d joysticks attached\n", SDL_NumJoysticks());
+ for ( i=0; i<SDL_NumJoysticks(); ++i )
+ {
+ name = SDL_JoystickName(i);
+ printf("Joystick %d: %s\n",i,name ? name : "Unknown Joystick");
+ }
+
+ for (i=0; i<2; i++)
+ {
+ if (!Open_SDL_Joystick(i))
+ printf("Couldn't open joystick %d: %s\n", i, SDL_GetError());
+ }
+
+ WatchJoysticks();
+
+ for (i=0; i<2; i++)
+ Close_SDL_Joystick(i);
+
+ SDL_QuitSubSystem(SDL_INIT_VIDEO|SDL_INIT_JOYSTICK);
+}
+
#endif /* USE_SDL_LIBRARY */
/* +-----------------------------------------------------------------------+ */
_fmode = O_BINARY;
#endif
+#if 1
GetOptions(argv);
OpenAll(argc,argv);
+#endif
#if 0
#ifdef USE_SDL_LIBRARY
+ /*
TEST_SDL_BLIT_RECT((WIN_XSIZE - TILEX)/2, (WIN_YSIZE - TILEY)/2);
TEST_SDL_EVENT_LOOP();
+ */
+ TEST_SDL_JOYSTICK();
exit(0);
#endif
#endif
projects / rocksndiamonds.git / blobdiff