1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2002 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
19 #if defined(PLATFORM_MSDOS)
30 /* ========================================================================= */
31 /* exported variables */
32 /* ========================================================================= */
34 struct ProgramInfo program;
35 struct OptionInfo options;
36 struct VideoSystemInfo video;
37 struct AudioSystemInfo audio;
39 struct ArtworkInfo artwork;
40 struct JoystickInfo joystick;
41 struct SetupInfo setup;
43 LevelDirTree *leveldir_first = NULL;
44 LevelDirTree *leveldir_current = NULL;
47 Display *display = NULL;
48 Visual *visual = NULL;
52 DrawWindow *window = NULL;
53 DrawBuffer *backbuffer = NULL;
54 DrawBuffer *drawto = NULL;
56 int button_status = MB_NOT_PRESSED;
57 boolean motion_status = FALSE;
59 int redraw_mask = REDRAW_NONE;
65 /* ========================================================================= */
66 /* init/close functions */
67 /* ========================================================================= */
69 void InitProgramInfo(char *argv0,
70 char *userdata_directory, char *program_title,
71 char *window_title, char *icon_title,
72 char *x11_icon_filename, char *x11_iconmask_filename,
73 char *msdos_pointer_filename,
74 char *cookie_prefix, char *filename_prefix,
77 program.command_basename =
78 (strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0);
80 program.userdata_directory = userdata_directory;
81 program.program_title = program_title;
82 program.window_title = window_title;
83 program.icon_title = icon_title;
84 program.x11_icon_filename = x11_icon_filename;
85 program.x11_iconmask_filename = x11_iconmask_filename;
86 program.msdos_pointer_filename = msdos_pointer_filename;
88 program.cookie_prefix = cookie_prefix;
89 program.filename_prefix = filename_prefix;
91 program.version_major = VERSION_MAJOR(program_version);
92 program.version_minor = VERSION_MINOR(program_version);
93 program.version_patch = VERSION_PATCH(program_version);
96 void InitExitFunction(void (*exit_function)(int))
98 program.exit_function = exit_function;
100 /* set signal handlers to custom exit function */
101 signal(SIGINT, exit_function);
102 signal(SIGTERM, exit_function);
104 #if defined(TARGET_SDL)
105 /* set exit function to automatically cleanup SDL stuff after exit() */
110 void InitPlatformDependantStuff(void)
112 #if defined(PLATFORM_MSDOS)
117 #if defined(TARGET_SDL)
118 if (SDL_Init(SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE) < 0)
119 Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
123 void ClosePlatformDependantStuff(void)
125 #if defined(PLATFORM_MSDOS)
130 void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize,
131 int real_sx, int real_sy,
132 int full_sxsize, int full_sysize,
133 Bitmap *field_save_buffer)
139 gfx.real_sx = real_sx;
140 gfx.real_sy = real_sy;
141 gfx.full_sxsize = full_sxsize;
142 gfx.full_sysize = full_sysize;
144 gfx.field_save_buffer = field_save_buffer;
146 gfx.background_bitmap = NULL;
147 gfx.background_bitmap_mask = REDRAW_NONE;
149 SetDrawDeactivationMask(REDRAW_NONE); /* do not deactivate drawing */
150 SetDrawBackgroundMask(REDRAW_NONE); /* deactivate masked drawing */
153 void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize)
161 void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize)
169 void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height)
171 /* currently only used by MSDOS code to alloc VRAM buffer, if available */
172 gfx.scrollbuffer_width = scrollbuffer_width;
173 gfx.scrollbuffer_height = scrollbuffer_height;
176 void SetDrawDeactivationMask(int draw_deactivation_mask)
178 gfx.draw_deactivation_mask = draw_deactivation_mask;
181 void SetDrawBackgroundMask(int draw_background_mask)
183 gfx.draw_background_mask = draw_background_mask;
186 static void DrawBitmapFromTile(Bitmap *bitmap, Bitmap *tile,
187 int dest_x, int dest_y, int width, int height)
189 int bitmap_xsize = width;
190 int bitmap_ysize = height;
191 int tile_xsize = tile->width;
192 int tile_ysize = tile->height;
193 int tile_xsteps = (bitmap_xsize + tile_xsize - 1) / tile_xsize;
194 int tile_ysteps = (bitmap_ysize + tile_ysize - 1) / tile_ysize;
197 for (y=0; y < tile_ysteps; y++)
199 for (x=0; x < tile_xsteps; x++)
201 int draw_x = dest_x + x * tile_xsize;
202 int draw_y = dest_y + y * tile_ysize;
203 int draw_xsize = MIN(tile_xsize, bitmap_xsize - x * tile_xsize);
204 int draw_ysize = MIN(tile_ysize, bitmap_ysize - y * tile_ysize);
206 BlitBitmap(tile, bitmap, 0, 0, draw_xsize, draw_ysize, draw_x, draw_y);
211 void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
213 static Bitmap *main_bitmap_tile = NULL;
214 static Bitmap *door_bitmap_tile = NULL;
216 if (mask == REDRAW_FIELD)
218 if (background_bitmap_tile == main_bitmap_tile)
219 return; /* main background tile has not changed */
221 main_bitmap_tile = background_bitmap_tile;
223 else if (mask == REDRAW_DOOR_1)
225 if (background_bitmap_tile == door_bitmap_tile)
226 return; /* main background tile has not changed */
228 door_bitmap_tile = background_bitmap_tile;
230 else /* should not happen */
233 if (background_bitmap_tile)
234 gfx.background_bitmap_mask |= mask;
236 gfx.background_bitmap_mask &= ~mask;
238 if (gfx.background_bitmap == NULL)
239 gfx.background_bitmap = CreateBitmap(video.width, video.height,
242 if (background_bitmap_tile == NULL) /* empty background requested */
245 if (mask == REDRAW_FIELD)
246 DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
247 gfx.real_sx, gfx.real_sy,
248 gfx.full_sxsize, gfx.full_sysize);
250 DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
252 gfx.dxsize, gfx.dysize);
255 void SetMainBackgroundBitmap(Bitmap *background_bitmap_tile)
257 SetBackgroundBitmap(background_bitmap_tile, REDRAW_FIELD);
260 void SetDoorBackgroundBitmap(Bitmap *background_bitmap_tile)
262 SetBackgroundBitmap(background_bitmap_tile, REDRAW_DOOR_1);
266 /* ========================================================================= */
267 /* video functions */
268 /* ========================================================================= */
270 inline static int GetRealDepth(int depth)
272 return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
275 inline static void sysFillRectangle(Bitmap *bitmap, int x, int y,
276 int width, int height, Pixel color)
279 SDLFillRectangle(bitmap, x, y, width, height, color);
281 X11FillRectangle(bitmap, x, y, width, height, color);
285 inline static void sysCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
286 int src_x, int src_y, int width, int height,
287 int dst_x, int dst_y, int mask_mode)
290 SDLCopyArea(src_bitmap, dst_bitmap,
291 src_x, src_y, width, height, dst_x, dst_y, mask_mode);
293 X11CopyArea(src_bitmap, dst_bitmap,
294 src_x, src_y, width, height, dst_x, dst_y, mask_mode);
298 inline void InitVideoDisplay(void)
300 #if defined(TARGET_SDL)
301 SDLInitVideoDisplay();
303 X11InitVideoDisplay();
307 inline void CloseVideoDisplay(void)
309 KeyboardAutoRepeatOn();
311 #if defined(TARGET_SDL)
312 SDL_QuitSubSystem(SDL_INIT_VIDEO);
315 XCloseDisplay(display);
319 inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
320 int width, int height, int depth,
324 video.height = height;
325 video.depth = GetRealDepth(depth);
326 video.fullscreen_available = FULLSCREEN_STATUS;
327 video.fullscreen_enabled = FALSE;
330 SDLInitVideoBuffer(backbuffer, window, fullscreen);
332 X11InitVideoBuffer(backbuffer, window);
336 inline Bitmap *CreateBitmapStruct(void)
339 return checked_calloc(sizeof(struct SDLSurfaceInfo));
341 return checked_calloc(sizeof(struct X11DrawableInfo));
345 inline Bitmap *CreateBitmap(int width, int height, int depth)
347 Bitmap *new_bitmap = CreateBitmapStruct();
348 int real_depth = GetRealDepth(depth);
351 SDLCreateBitmapContent(new_bitmap, width, height, real_depth);
353 X11CreateBitmapContent(new_bitmap, width, height, real_depth);
356 new_bitmap->width = width;
357 new_bitmap->height = height;
362 inline static void FreeBitmapPointers(Bitmap *bitmap)
368 SDLFreeBitmapPointers(bitmap);
370 X11FreeBitmapPointers(bitmap);
373 if (bitmap->source_filename)
374 free(bitmap->source_filename);
375 bitmap->source_filename = NULL;
378 inline static void TransferBitmapPointers(Bitmap *src_bitmap,
381 if (src_bitmap == NULL || dst_bitmap == NULL)
384 FreeBitmapPointers(dst_bitmap);
386 *dst_bitmap = *src_bitmap;
389 inline void FreeBitmap(Bitmap *bitmap)
394 FreeBitmapPointers(bitmap);
399 inline void CloseWindow(DrawWindow *window)
402 if (window->drawable)
404 XUnmapWindow(display, window->drawable);
405 XDestroyWindow(display, window->drawable);
408 XFreeGC(display, window->gc);
412 static inline boolean CheckDrawingArea(int x, int y, int width, int height,
415 if (draw_mask == REDRAW_NONE)
418 if (draw_mask & REDRAW_ALL)
421 if ((draw_mask & REDRAW_FIELD) && x < gfx.real_sx + gfx.full_sxsize)
424 if ((draw_mask & REDRAW_DOOR_1) && x >= gfx.dx && y < gfx.dy + gfx.dysize)
427 if ((draw_mask & REDRAW_DOOR_2) && x >= gfx.dx && y >= gfx.vy)
433 inline boolean DrawingDeactivated(int x, int y, int width, int height)
435 return CheckDrawingArea(x, y, width, height, gfx.draw_deactivation_mask);
438 inline boolean DrawingOnBackground(int x, int y)
440 return ((gfx.draw_background_mask & gfx.background_bitmap_mask) &&
441 CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask));
444 inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
445 int src_x, int src_y, int width, int height,
446 int dst_x, int dst_y)
448 if (DrawingDeactivated(dst_x, dst_y, width, height))
451 sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
452 dst_x, dst_y, BLIT_OPAQUE);
455 inline void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height,
458 if (DrawingDeactivated(x, y, width, height))
461 sysFillRectangle(bitmap, x, y, width, height, color);
464 inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
466 FillRectangle(bitmap, x, y, width, height, BlackPixel(display, screen));
469 inline void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y,
470 int width, int height)
472 if (DrawingOnBackground(x, y))
473 BlitBitmap(gfx.background_bitmap, bitmap, x, y, width, height, x, y);
475 ClearRectangle(bitmap, x, y, width, height);
480 static GC last_clip_gc = 0; /* needed for XCopyArea() through clip mask */
484 inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
489 bitmap->clip_gc = clip_gc;
490 XSetClipMask(display, bitmap->clip_gc, clip_pixmap);
493 last_clip_gc = clip_gc;
498 inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y)
503 bitmap->clip_gc = clip_gc;
504 XSetClipOrigin(display, bitmap->clip_gc, clip_x, clip_y);
507 last_clip_gc = clip_gc;
512 inline void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
513 int src_x, int src_y,
514 int width, int height,
515 int dst_x, int dst_y)
517 if (DrawingDeactivated(dst_x, dst_y, width, height))
520 sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
521 dst_x, dst_y, BLIT_MASKED);
524 inline void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
525 int src_x, int src_y,
526 int width, int height,
527 int dst_x, int dst_y)
529 if (DrawingOnBackground(dst_x, dst_y))
531 /* draw background */
532 BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
535 /* draw foreground */
536 SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
537 dst_x - src_x, dst_y - src_y);
538 BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
542 BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height,
546 inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
550 SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff);
552 XSetForeground(display, bitmap->gc, WhitePixel(display, screen));
553 XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y);
557 #if !defined(TARGET_X11_NATIVE)
558 inline void DrawLine(Bitmap *bitmap, int from_x, int from_y,
559 int to_x, int to_y, Pixel pixel, int line_width)
563 for (x=0; x<line_width; x++)
565 for (y=0; y<line_width; y++)
567 int dx = x - line_width / 2;
568 int dy = y - line_width / 2;
570 if ((x == 0 && y == 0) ||
571 (x == 0 && y == line_width - 1) ||
572 (x == line_width - 1 && y == 0) ||
573 (x == line_width - 1 && y == line_width - 1))
576 #if defined(TARGET_SDL)
578 from_x + dx, from_y + dy, to_x + dx, to_y + dy, pixel);
579 #elif defined(TARGET_ALLEGRO)
580 AllegroDrawLine(bitmap->drawable, from_x + dx, from_y + dy,
581 to_x + dx, to_y + dy, pixel);
588 inline void DrawLines(Bitmap *bitmap, struct XY *points, int num_points,
591 #if !defined(TARGET_X11_NATIVE)
595 for (i=0; i<num_points - 1; i++)
596 DrawLine(bitmap, points[i].x, points[i].y,
597 points[i + 1].x, points[i + 1].y, pixel, line_width);
600 SDLDrawLines(bitmap->surface, points, num_points, pixel);
603 XSetForeground(display, bitmap->line_gc[1], pixel);
604 XDrawLines(display, bitmap->drawable, bitmap->line_gc[1],
605 (XPoint *)points, num_points, CoordModeOrigin);
609 inline Pixel GetPixel(Bitmap *bitmap, int x, int y)
611 #if defined(TARGET_SDL)
612 return SDLGetPixel(bitmap, x, y);
613 #elif defined(TARGET_ALLEGRO)
614 return AllegroGetPixel(bitmap->drawable, x, y);
616 return X11GetPixel(bitmap, x, y);
620 inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
621 unsigned int color_g, unsigned int color_b)
623 #if defined(TARGET_SDL)
624 return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
625 #elif defined(TARGET_ALLEGRO)
626 return AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8);
628 return X11GetPixelFromRGB(color_r, color_g, color_b);
632 inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
634 unsigned int color_r = (color >> 16) & 0xff;
635 unsigned int color_g = (color >> 8) & 0xff;
636 unsigned int color_b = (color >> 0) & 0xff;
638 return GetPixelFromRGB(bitmap, color_r, color_g, color_b);
641 /* execute all pending screen drawing operations */
642 inline void FlushDisplay(void)
649 /* execute and wait for all pending screen drawing operations */
650 inline void SyncDisplay(void)
653 XSync(display, FALSE);
657 inline void KeyboardAutoRepeatOn(void)
660 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
661 SDL_DEFAULT_REPEAT_INTERVAL / 2);
662 SDL_EnableUNICODE(1);
665 XAutoRepeatOn(display);
669 inline void KeyboardAutoRepeatOff(void)
672 SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
673 SDL_EnableUNICODE(0);
676 XAutoRepeatOff(display);
680 inline boolean PointerInWindow(DrawWindow *window)
690 /* if XQueryPointer() returns False, the pointer
691 is not on the same screen as the specified window */
692 return XQueryPointer(display, window->drawable, &root, &child,
693 &root_x, &root_y, &win_x, &win_y, &mask);
697 inline boolean SetVideoMode(boolean fullscreen)
700 return SDLSetVideoMode(&backbuffer, fullscreen);
702 boolean success = TRUE;
704 if (fullscreen && video.fullscreen_available)
706 Error(ERR_WARN, "fullscreen not available in X11 version");
708 /* display error message only once */
709 video.fullscreen_available = FALSE;
718 inline boolean ChangeVideoModeIfNeeded(boolean fullscreen)
721 if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
722 (!fullscreen && video.fullscreen_enabled))
723 fullscreen = SetVideoMode(fullscreen);
729 Bitmap *LoadImage(char *filename)
733 #if defined(TARGET_SDL)
734 new_bitmap = SDLLoadImage(filename);
736 new_bitmap = X11LoadImage(filename);
740 new_bitmap->source_filename = getStringCopy(filename);
745 Bitmap *LoadCustomImage(char *basename)
747 char *filename = getCustomImageFilename(basename);
750 if (filename == NULL)
751 Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename);
753 if ((new_bitmap = LoadImage(filename)) == NULL)
754 Error(ERR_EXIT, "LoadImage() failed: %s", GetError());
759 void ReloadCustomImage(Bitmap *bitmap, char *basename)
761 char *filename = getCustomImageFilename(basename);
764 if (filename == NULL) /* (should never happen) */
766 Error(ERR_WARN, "ReloadCustomImage(): cannot find file '%s'", basename);
770 if (strcmp(filename, bitmap->source_filename) == 0)
772 /* The old and new image are the same (have the same filename and path).
773 This usually means that this image does not exist in this graphic set
774 and a fallback to the existing image is done. */
779 if ((new_bitmap = LoadImage(filename)) == NULL)
781 Error(ERR_WARN, "LoadImage() failed: %s", GetError());
785 if (bitmap->width != new_bitmap->width ||
786 bitmap->height != new_bitmap->height)
788 Error(ERR_WARN, "ReloadCustomImage: new image '%s' has wrong dimensions",
790 FreeBitmap(new_bitmap);
794 TransferBitmapPointers(new_bitmap, bitmap);
798 Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
800 Bitmap *dst_bitmap = CreateBitmap(zoom_width, zoom_height, DEFAULT_DEPTH);
802 #if defined(TARGET_SDL)
803 SDLZoomBitmap(src_bitmap, dst_bitmap);
805 X11ZoomBitmap(src_bitmap, dst_bitmap);
811 void CreateBitmapWithSmallBitmaps(Bitmap *src_bitmap)
813 Bitmap *tmp_bitmap, *tmp_bitmap_2, *tmp_bitmap_8;
814 int src_width, src_height;
815 int tmp_width, tmp_height;
817 src_width = src_bitmap->width;
818 src_height = src_bitmap->height;
820 tmp_width = src_width;
821 tmp_height = src_height + src_height / 2;
823 tmp_bitmap = CreateBitmap(tmp_width, tmp_height, DEFAULT_DEPTH);
825 tmp_bitmap_2 = ZoomBitmap(src_bitmap, src_width / 2, src_height / 2);
826 tmp_bitmap_8 = ZoomBitmap(src_bitmap, src_width / 8, src_height / 8);
828 BlitBitmap(src_bitmap, tmp_bitmap, 0, 0, src_width, src_height, 0, 0);
829 BlitBitmap(tmp_bitmap_2, tmp_bitmap, 0, 0, src_width / 2, src_height / 2,
831 BlitBitmap(tmp_bitmap_8, tmp_bitmap, 0, 0, src_width / 8, src_height / 8,
832 3 * src_width / 4, src_height);
834 FreeBitmap(tmp_bitmap_2);
835 FreeBitmap(tmp_bitmap_8);
838 src_bitmap->surface = tmp_bitmap->surface;
839 tmp_bitmap->surface = NULL;
841 src_bitmap->drawable = tmp_bitmap->drawable;
842 tmp_bitmap->drawable = None;
845 src_bitmap->height = tmp_bitmap->height;
847 FreeBitmap(tmp_bitmap);
851 /* ========================================================================= */
852 /* audio functions */
853 /* ========================================================================= */
855 inline void OpenAudio(void)
857 /* always start with reliable default values */
858 audio.sound_available = FALSE;
859 audio.music_available = FALSE;
860 audio.loops_available = FALSE;
862 audio.sound_enabled = FALSE;
863 audio.sound_deactivated = FALSE;
865 audio.mixer_pipe[0] = audio.mixer_pipe[1] = 0;
867 audio.device_name = NULL;
868 audio.device_fd = -1;
870 audio.num_channels = 0;
871 audio.music_channel = 0;
872 audio.first_sound_channel = 0;
874 #if defined(TARGET_SDL)
876 #elif defined(PLATFORM_UNIX)
878 #elif defined(PLATFORM_MSDOS)
883 inline void CloseAudio(void)
885 #if defined(TARGET_SDL)
887 #elif defined(PLATFORM_UNIX)
889 #elif defined(PLATFORM_MSDOS)
893 audio.sound_enabled = FALSE;
896 inline void SetAudioMode(boolean enabled)
898 if (!audio.sound_available)
901 audio.sound_enabled = enabled;
905 /* ========================================================================= */
906 /* event functions */
907 /* ========================================================================= */
909 inline void InitEventFilter(EventFilter filter_function)
912 /* set event filter to filter out certain events */
913 SDL_SetEventFilter(filter_function);
917 inline boolean PendingEvent(void)
920 return (SDL_PollEvent(NULL) ? TRUE : FALSE);
922 return (XPending(display) ? TRUE : FALSE);
926 inline void NextEvent(Event *event)
931 XNextEvent(display, event);
935 inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
939 printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n",
940 (int)event->keysym.unicode,
941 (int)event->keysym.sym,
942 (int)SDL_GetModState());
945 if (with_modifiers &&
946 event->keysym.unicode > 0x0000 &&
947 event->keysym.unicode < 0x2000)
948 return event->keysym.unicode;
950 return event->keysym.sym;
953 printf("with modifiers == '0x%04x', without modifiers == '0x%04x'\n",
954 (int)XLookupKeysym(event, event->state),
955 (int)XLookupKeysym(event, 0));
959 return XLookupKeysym(event, event->state);
961 return XLookupKeysym(event, 0);
965 inline boolean CheckCloseWindowEvent(ClientMessageEvent *event)
967 if (event->type != EVENT_CLIENTMESSAGE)
970 #if defined(TARGET_SDL)
971 return TRUE; /* the only possible message here is SDL_QUIT */
972 #elif defined(PLATFORM_UNIX)
973 if ((event->window == window->drawable) &&
974 (event->data.l[0] == XInternAtom(display, "WM_DELETE_WINDOW", FALSE)))
982 /* ========================================================================= */
983 /* joystick functions */
984 /* ========================================================================= */
986 inline void InitJoysticks()
991 return; /* joysticks generally deactivated by compile-time directive */
994 /* always start with reliable default values */
995 joystick.status = JOYSTICK_NOT_AVAILABLE;
996 for (i=0; i<MAX_PLAYERS; i++)
997 joystick.fd[i] = -1; /* joystick device closed */
999 #if defined(TARGET_SDL)
1001 #elif defined(PLATFORM_UNIX)
1002 UnixInitJoysticks();
1003 #elif defined(PLATFORM_MSDOS)
1004 MSDOSInitJoysticks();
1008 inline boolean ReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
1010 #if defined(TARGET_SDL)
1011 return SDLReadJoystick(nr, x, y, b1, b2);
1012 #elif defined(PLATFORM_UNIX)
1013 return UnixReadJoystick(nr, x, y, b1, b2);
1014 #elif defined(PLATFORM_MSDOS)
1015 return MSDOSReadJoystick(nr, x, y, b1, b2);