X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.c;h=45fb77c1e86471cc7861b27ec3af6ab88b045770;hb=de8b3ae622eae10f1caf96872fb1790f7bd9644b;hp=3d26c3ce336feade18cd77c86313cc2bcbea8622;hpb=222cd4187e6632bd904a937f167a2f1c70b8f66d;p=rocksndiamonds.git diff --git a/src/libgame/system.c b/src/libgame/system.c index 3d26c3ce..45fb77c1 100644 --- a/src/libgame/system.c +++ b/src/libgame/system.c @@ -1,33 +1,30 @@ /*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * +* Artsoft Retro-Game Library * *----------------------------------------------------------* -* ©1995 Artsoft Development * -* Holger Schemel * -* 33659 Bielefeld-Senne * -* Telefon: (0521) 493245 * -* eMail: aeglos@valinor.owl.de * -* aeglos@uni-paderborn.de * -* q99492@pbhrzx.uni-paderborn.de * +* (c) 1994-2002 Artsoft Entertainment * +* Holger Schemel * +* Detmolder Strasse 189 * +* 33604 Bielefeld * +* Germany * +* e-mail: info@artsoft.org * *----------------------------------------------------------* -* system.c * +* system.c * ***********************************************************/ -#include "libgame.h" +#include +#include -/* ========================================================================= */ -/* internal variables */ -/* ========================================================================= */ - -Display *display = NULL; -Visual *visual = NULL; -int screen = 0; -Colormap cmap = None; +#include "platform.h" -DrawWindow window = None; -DrawBuffer backbuffer = None; -GC gc = None; +#if defined(PLATFORM_MSDOS) +#include +#endif -int FrameCounter = 0; +#include "system.h" +#include "sound.h" +#include "setup.h" +#include "joystick.h" +#include "misc.h" /* ========================================================================= */ @@ -35,53 +32,291 @@ int FrameCounter = 0; /* ========================================================================= */ struct ProgramInfo program; +struct OptionInfo options; struct VideoSystemInfo video; struct AudioSystemInfo audio; -struct OptionInfo options; +struct GfxInfo gfx; +struct ArtworkInfo artwork; +struct JoystickInfo joystick; +struct SetupInfo setup; + +LevelDirTree *leveldir_first = NULL; +LevelDirTree *leveldir_current = NULL; +int level_nr; + +Display *display = NULL; +Visual *visual = NULL; +int screen = 0; +Colormap cmap = None; + +DrawWindow *window = NULL; +DrawBuffer *backbuffer = NULL; +DrawBuffer *drawto = NULL; + +int button_status = MB_NOT_PRESSED; +boolean motion_status = FALSE; + +int redraw_mask = REDRAW_NONE; +int redraw_tiles = 0; + +int FrameCounter = 0; /* ========================================================================= */ -/* video functions */ +/* init/close functions */ /* ========================================================================= */ -inline static int GetRealDepth(int depth) +void InitProgramInfo(char *argv0, + char *userdata_directory, char *program_title, + char *window_title, char *icon_title, + char *x11_icon_filename, char *x11_iconmask_filename, + char *msdos_cursor_filename, + char *cookie_prefix, char *filename_prefix, + int program_version) { - return (depth == DEFAULT_DEPTH ? video.default_depth : depth); -} + program.command_basename = + (strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0); -inline void InitProgramInfo(char *command_name, char *program_title, - char *window_title, char *icon_title, - char *x11_icon_filename, - char *x11_iconmask_filename, - char *msdos_pointer_filename) -{ - program.command_name = command_name; + program.userdata_directory = userdata_directory; program.program_title = program_title; program.window_title = window_title; program.icon_title = icon_title; program.x11_icon_filename = x11_icon_filename; program.x11_iconmask_filename = x11_iconmask_filename; - program.msdos_pointer_filename = msdos_pointer_filename; + program.msdos_cursor_filename = msdos_cursor_filename; + + program.cookie_prefix = cookie_prefix; + program.filename_prefix = filename_prefix; + + program.version_major = VERSION_MAJOR(program_version); + program.version_minor = VERSION_MINOR(program_version); + program.version_patch = VERSION_PATCH(program_version); +} + +void InitExitFunction(void (*exit_function)(int)) +{ + program.exit_function = exit_function; + + /* set signal handlers to custom exit function */ + signal(SIGINT, exit_function); + signal(SIGTERM, exit_function); + +#if defined(TARGET_SDL) + /* set exit function to automatically cleanup SDL stuff after exit() */ + atexit(SDL_Quit); +#endif +} + +void InitPlatformDependantStuff(void) +{ +#if defined(PLATFORM_MSDOS) + _fmode = O_BINARY; + initErrorFile(); +#endif + +#if defined(TARGET_SDL) + if (SDL_Init(SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE) < 0) + Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError()); +#endif +} + +void ClosePlatformDependantStuff(void) +{ +#if defined(PLATFORM_MSDOS) + dumpErrorFile(); +#endif +} + +void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize, + int real_sx, int real_sy, + int full_sxsize, int full_sysize, + Bitmap *field_save_buffer) +{ + gfx.sx = sx; + gfx.sy = sy; + gfx.sxsize = sxsize; + gfx.sysize = sysize; + gfx.real_sx = real_sx; + gfx.real_sy = real_sy; + gfx.full_sxsize = full_sxsize; + gfx.full_sysize = full_sysize; + + gfx.field_save_buffer = field_save_buffer; + + gfx.background_bitmap = NULL; + gfx.background_bitmap_mask = REDRAW_NONE; + + SetDrawDeactivationMask(REDRAW_NONE); /* do not deactivate drawing */ + SetDrawBackgroundMask(REDRAW_NONE); /* deactivate masked drawing */ +} + +void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize) +{ + gfx.dx = dx; + gfx.dy = dy; + gfx.dxsize = dxsize; + gfx.dysize = dysize; } -inline void InitScrollbufferSize(int scrollbuffer_width, - int scrollbuffer_height) +void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize) +{ + gfx.vx = vx; + gfx.vy = vy; + gfx.vxsize = vxsize; + gfx.vysize = vysize; +} + +void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height) { /* currently only used by MSDOS code to alloc VRAM buffer, if available */ - video.scrollbuffer_width = scrollbuffer_width; - video.scrollbuffer_height = scrollbuffer_height; + gfx.scrollbuffer_width = scrollbuffer_width; + gfx.scrollbuffer_height = scrollbuffer_height; +} + +void SetDrawDeactivationMask(int draw_deactivation_mask) +{ + gfx.draw_deactivation_mask = draw_deactivation_mask; +} + +void SetDrawBackgroundMask(int draw_background_mask) +{ + gfx.draw_background_mask = draw_background_mask; +} + +static void DrawBitmapFromTile(Bitmap *bitmap, Bitmap *tile, + int dest_x, int dest_y, int width, int height) +{ + int bitmap_xsize = width; + int bitmap_ysize = height; + int tile_xsize = tile->width; + int tile_ysize = tile->height; + int tile_xsteps = (bitmap_xsize + tile_xsize - 1) / tile_xsize; + int tile_ysteps = (bitmap_ysize + tile_ysize - 1) / tile_ysize; + int x, y; + + for (y=0; y < tile_ysteps; y++) + { + for (x=0; x < tile_xsteps; x++) + { + int draw_x = dest_x + x * tile_xsize; + int draw_y = dest_y + y * tile_ysize; + int draw_xsize = MIN(tile_xsize, bitmap_xsize - x * tile_xsize); + int draw_ysize = MIN(tile_ysize, bitmap_ysize - y * tile_ysize); + + BlitBitmap(tile, bitmap, 0, 0, draw_xsize, draw_ysize, draw_x, draw_y); + } + } +} + +void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask) +{ + static Bitmap *main_bitmap_tile = NULL; + static Bitmap *door_bitmap_tile = NULL; + + if (mask == REDRAW_FIELD) + { + if (background_bitmap_tile == main_bitmap_tile) + return; /* main background tile has not changed */ + + main_bitmap_tile = background_bitmap_tile; + } + else if (mask == REDRAW_DOOR_1) + { + if (background_bitmap_tile == door_bitmap_tile) + return; /* main background tile has not changed */ + + door_bitmap_tile = background_bitmap_tile; + } + else /* should not happen */ + return; + + if (background_bitmap_tile) + gfx.background_bitmap_mask |= mask; + else + gfx.background_bitmap_mask &= ~mask; + + if (gfx.background_bitmap == NULL) + gfx.background_bitmap = CreateBitmap(video.width, video.height, + DEFAULT_DEPTH); + + if (background_bitmap_tile == NULL) /* empty background requested */ + return; + + if (mask == REDRAW_FIELD) + DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile, + gfx.real_sx, gfx.real_sy, + gfx.full_sxsize, gfx.full_sysize); + else + DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile, + gfx.dx, gfx.dy, + gfx.dxsize, gfx.dysize); +} + +void SetMainBackgroundBitmap(Bitmap *background_bitmap_tile) +{ + SetBackgroundBitmap(background_bitmap_tile, REDRAW_FIELD); +} + +void SetDoorBackgroundBitmap(Bitmap *background_bitmap_tile) +{ + SetBackgroundBitmap(background_bitmap_tile, REDRAW_DOOR_1); +} + + +/* ========================================================================= */ +/* video functions */ +/* ========================================================================= */ + +inline static int GetRealDepth(int depth) +{ + return (depth == DEFAULT_DEPTH ? video.default_depth : depth); +} + +inline static void sysFillRectangle(Bitmap *bitmap, int x, int y, + int width, int height, Pixel color) +{ +#if defined(TARGET_SDL) + SDLFillRectangle(bitmap, x, y, width, height, color); +#else + X11FillRectangle(bitmap, x, y, width, height, color); +#endif +} + +inline static void sysCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap, + int src_x, int src_y, int width, int height, + int dst_x, int dst_y, int mask_mode) +{ +#if defined(TARGET_SDL) + SDLCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y, mask_mode); +#else + X11CopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y, mask_mode); +#endif } inline void InitVideoDisplay(void) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) SDLInitVideoDisplay(); #else X11InitVideoDisplay(); #endif } -inline void InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window, +inline void CloseVideoDisplay(void) +{ + KeyboardAutoRepeatOn(); + +#if defined(TARGET_SDL) + SDL_QuitSubSystem(SDL_INIT_VIDEO); +#else + if (display) + XCloseDisplay(display); +#endif +} + +inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, int width, int height, int depth, boolean fullscreen) { @@ -91,119 +326,321 @@ inline void InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window, video.fullscreen_available = FULLSCREEN_STATUS; video.fullscreen_enabled = FALSE; -#ifdef TARGET_SDL +#if defined(TARGET_SDL) SDLInitVideoBuffer(backbuffer, window, fullscreen); #else X11InitVideoBuffer(backbuffer, window); #endif } -inline Bitmap CreateBitmap(int width, int height, int depth) +inline Bitmap *CreateBitmapStruct(void) { +#if defined(TARGET_SDL) + return checked_calloc(sizeof(struct SDLSurfaceInfo)); +#else + return checked_calloc(sizeof(struct X11DrawableInfo)); +#endif +} + +inline Bitmap *CreateBitmap(int width, int height, int depth) +{ + Bitmap *new_bitmap = CreateBitmapStruct(); int real_depth = GetRealDepth(depth); -#ifdef TARGET_SDL - SDL_Surface *surface_tmp, *surface_native; +#if defined(TARGET_SDL) + SDLCreateBitmapContent(new_bitmap, width, height, real_depth); +#else + X11CreateBitmapContent(new_bitmap, width, height, real_depth); +#endif - if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height, - real_depth, 0, 0, 0, 0)) - == NULL) - Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError()); + new_bitmap->width = width; + new_bitmap->height = height; - if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL) - Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError()); + return new_bitmap; +} - SDL_FreeSurface(surface_tmp); +inline static void FreeBitmapPointers(Bitmap *bitmap) +{ + if (bitmap == NULL) + return; - return surface_native; +#if defined(TARGET_SDL) + SDLFreeBitmapPointers(bitmap); #else - Pixmap pixmap; + X11FreeBitmapPointers(bitmap); +#endif + + if (bitmap->source_filename) + free(bitmap->source_filename); + bitmap->source_filename = NULL; +} - if (!(pixmap = XCreatePixmap(display, window, width, height, real_depth))) - Error(ERR_EXIT, "cannot create pixmap"); +inline static void TransferBitmapPointers(Bitmap *src_bitmap, + Bitmap *dst_bitmap) +{ + if (src_bitmap == NULL || dst_bitmap == NULL) + return; - return pixmap; -#endif + FreeBitmapPointers(dst_bitmap); + + *dst_bitmap = *src_bitmap; } -inline void FreeBitmap(Bitmap bitmap) +inline void FreeBitmap(Bitmap *bitmap) { -#ifdef TARGET_SDL - SDL_FreeSurface(bitmap); -#else - XFreePixmap(display, bitmap); -#endif + if (bitmap == NULL) + return; + + FreeBitmapPointers(bitmap); + + free(bitmap); } -inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height) +inline void CloseWindow(DrawWindow *window) { -#ifdef TARGET_SDL - SDLFillRectangle(bitmap, x, y, width, height, 0x000000); -#else - XFillRectangle(display, bitmap, gc, x, y, width, height); +#if defined(TARGET_X11) + if (window->drawable) + { + XUnmapWindow(display, window->drawable); + XDestroyWindow(display, window->drawable); + } + if (window->gc) + XFreeGC(display, window->gc); #endif } -inline void BlitBitmap(Bitmap src_bitmap, Bitmap dst_bitmap, - int src_x, int src_y, - int width, int height, +static inline boolean CheckDrawingArea(int x, int y, int width, int height, + int draw_mask) +{ + if (draw_mask == REDRAW_NONE) + return FALSE; + + if (draw_mask & REDRAW_ALL) + return TRUE; + + if ((draw_mask & REDRAW_FIELD) && x < gfx.real_sx + gfx.full_sxsize) + return TRUE; + + if ((draw_mask & REDRAW_DOOR_1) && x >= gfx.dx && y < gfx.dy + gfx.dysize) + return TRUE; + + if ((draw_mask & REDRAW_DOOR_2) && x >= gfx.dx && y >= gfx.vy) + return TRUE; + + return FALSE; +} + +inline boolean DrawingDeactivated(int x, int y, int width, int height) +{ + return CheckDrawingArea(x, y, width, height, gfx.draw_deactivation_mask); +} + +inline boolean DrawingOnBackground(int x, int y) +{ + return ((gfx.draw_background_mask & gfx.background_bitmap_mask) && + CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask)); +} + +inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap, + int src_x, int src_y, int width, int height, int dst_x, int dst_y) { -#ifdef TARGET_SDL - SDLCopyArea(src_bitmap, dst_bitmap, - src_x, src_y, width, height, dst_x, dst_y); -#else - XCopyArea(display, src_bitmap, dst_bitmap, gc, - src_x, src_y, width, height, dst_x, dst_y); -#endif + if (DrawingDeactivated(dst_x, dst_y, width, height)) + return; + + sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y, BLIT_OPAQUE); } +inline void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height, + Pixel color) +{ + if (DrawingDeactivated(x, y, width, height)) + return; + + sysFillRectangle(bitmap, x, y, width, height, color); +} + +inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height) +{ + FillRectangle(bitmap, x, y, width, height, BLACK_PIXEL); +} + +inline void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y, + int width, int height) +{ + if (DrawingOnBackground(x, y)) + BlitBitmap(gfx.background_bitmap, bitmap, x, y, width, height, x, y); + else + ClearRectangle(bitmap, x, y, width, height); +} + +#if 0 #ifndef TARGET_SDL static GC last_clip_gc = 0; /* needed for XCopyArea() through clip mask */ #endif +#endif -inline void SetClipMask(GC clip_gc, Pixmap clip_pixmap) +inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap) { -#ifndef TARGET_SDL - XSetClipMask(display, clip_gc, clip_pixmap); +#if defined(TARGET_X11) + if (clip_gc) + { + bitmap->clip_gc = clip_gc; + XSetClipMask(display, bitmap->clip_gc, clip_pixmap); + } +#if 0 last_clip_gc = clip_gc; #endif +#endif } -inline void SetClipOrigin(GC clip_gc, int clip_x, int clip_y) +inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y) { -#ifndef TARGET_SDL - XSetClipOrigin(display, clip_gc, clip_x, clip_y); +#if defined(TARGET_X11) + if (clip_gc) + { + bitmap->clip_gc = clip_gc; + XSetClipOrigin(display, bitmap->clip_gc, clip_x, clip_y); + } +#if 0 last_clip_gc = clip_gc; #endif +#endif } -inline void BlitBitmapMasked(Bitmap src_bitmap, Bitmap dst_bitmap, +inline void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap, int src_x, int src_y, int width, int height, int dst_x, int dst_y) { -#ifdef TARGET_SDL - SDLCopyArea(src_bitmap, dst_bitmap, - src_x, src_y, width, height, dst_x, dst_y); + if (DrawingDeactivated(dst_x, dst_y, width, height)) + return; + + sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y, BLIT_MASKED); +} + +inline void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap, + int src_x, int src_y, + int width, int height, + int dst_x, int dst_y) +{ + if (DrawingOnBackground(dst_x, dst_y)) + { + /* draw background */ + BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height, + dst_x, dst_y); + + /* draw foreground */ + SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc, + dst_x - src_x, dst_y - src_y); + BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y); + } + else + BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height, + dst_x, dst_y); +} + +inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y, + int to_x, int to_y) +{ +#if defined(TARGET_SDL) + SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL); #else - XCopyArea(display, src_bitmap, dst_bitmap, last_clip_gc, - src_x, src_y, width, height, dst_x, dst_y); + X11DrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL); #endif } -inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y, - int to_x, int to_y) +#if !defined(TARGET_X11_NATIVE) +inline void DrawLine(Bitmap *bitmap, int from_x, int from_y, + int to_x, int to_y, Pixel pixel, int line_width) +{ + int x, y; + + for (x=0; xdrawable, from_x + dx, from_y + dy, + to_x + dx, to_y + dy, pixel); +#endif + } + } +} +#endif + +inline void DrawLines(Bitmap *bitmap, struct XY *points, int num_points, + Pixel pixel) +{ +#if !defined(TARGET_X11_NATIVE) + int line_width = 4; + int i; + + for (i=0; isurface, points, num_points, pixel); + */ +#else + XSetForeground(display, bitmap->line_gc[1], pixel); + XDrawLines(display, bitmap->drawable, bitmap->line_gc[1], + (XPoint *)points, num_points, CoordModeOrigin); +#endif +} + +inline Pixel GetPixel(Bitmap *bitmap, int x, int y) +{ + if (x < 0 || x >= bitmap->width || + y < 0 || y >= bitmap->height) + return BLACK_PIXEL; + +#if defined(TARGET_SDL) + return SDLGetPixel(bitmap, x, y); +#elif defined(TARGET_ALLEGRO) + return AllegroGetPixel(bitmap->drawable, x, y); +#else + return X11GetPixel(bitmap, x, y); +#endif +} + +inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r, + unsigned int color_g, unsigned int color_b) { -#ifdef TARGET_SDL - SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff); +#if defined(TARGET_SDL) + return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b); +#elif defined(TARGET_ALLEGRO) + return AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8); #else - XSetForeground(display, gc, WhitePixel(display, screen)); - XDrawLine(display, bitmap, gc, from_x, from_y, to_x, to_y); - XSetForeground(display, gc, BlackPixel(display, screen)); + return X11GetPixelFromRGB(color_r, color_g, color_b); #endif } +inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color) +{ + unsigned int color_r = (color >> 16) & 0xff; + unsigned int color_g = (color >> 8) & 0xff; + unsigned int color_b = (color >> 0) & 0xff; + + return GetPixelFromRGB(bitmap, color_r, color_g, color_b); +} + /* execute all pending screen drawing operations */ inline void FlushDisplay(void) { @@ -222,45 +659,47 @@ inline void SyncDisplay(void) inline void KeyboardAutoRepeatOn(void) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2, SDL_DEFAULT_REPEAT_INTERVAL / 2); SDL_EnableUNICODE(1); #else - XAutoRepeatOn(display); + if (display) + XAutoRepeatOn(display); #endif } inline void KeyboardAutoRepeatOff(void) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL); SDL_EnableUNICODE(0); #else - XAutoRepeatOff(display); + if (display) + XAutoRepeatOff(display); #endif } -inline boolean PointerInWindow(DrawWindow window) +inline boolean PointerInWindow(DrawWindow *window) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) return TRUE; #else - DrawWindow root, child; + Window root, child; int root_x, root_y; unsigned int mask; int win_x, win_y; /* if XQueryPointer() returns False, the pointer is not on the same screen as the specified window */ - return XQueryPointer(display, window, &root, &child, &root_x, &root_y, - &win_x, &win_y, &mask); + return XQueryPointer(display, window->drawable, &root, &child, + &root_x, &root_y, &win_x, &win_y, &mask); #endif } inline boolean SetVideoMode(boolean fullscreen) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) return SDLSetVideoMode(&backbuffer, fullscreen); #else boolean success = TRUE; @@ -281,7 +720,7 @@ inline boolean SetVideoMode(boolean fullscreen) inline boolean ChangeVideoModeIfNeeded(boolean fullscreen) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)|| (!fullscreen && video.fullscreen_enabled)) fullscreen = SetVideoMode(fullscreen); @@ -290,51 +729,292 @@ inline boolean ChangeVideoModeIfNeeded(boolean fullscreen) return fullscreen; } +Bitmap *LoadImage(char *filename) +{ + Bitmap *new_bitmap; -/* ========================================================================= */ -/* audio functions */ -/* ========================================================================= */ +#if defined(TARGET_SDL) + new_bitmap = SDLLoadImage(filename); +#else + new_bitmap = X11LoadImage(filename); +#endif -inline boolean OpenAudio(struct AudioSystemInfo *audio) + if (new_bitmap) + new_bitmap->source_filename = getStringCopy(filename); + + return new_bitmap; +} + +Bitmap *LoadCustomImage(char *basename) { - audio->sound_available = FALSE; - audio->loops_available = FALSE; - audio->soundserver_pipe[0] = audio->soundserver_pipe[1] = 0; - audio->soundserver_pid = 0; - audio->device_name = NULL; - audio->device_fd = 0; + char *filename = getCustomImageFilename(basename); + Bitmap *new_bitmap; -#if defined(TARGET_SDL) - if (SDLOpenAudio()) + if (filename == NULL) + Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename); + + if ((new_bitmap = LoadImage(filename)) == NULL) + Error(ERR_EXIT, "LoadImage() failed: %s", GetError()); + + return new_bitmap; +} + +void ReloadCustomImage(Bitmap *bitmap, char *basename) +{ + char *filename = getCustomImageFilename(basename); + Bitmap *new_bitmap; + + if (filename == NULL) /* (should never happen) */ { - audio->sound_available = TRUE; - audio->loops_available = TRUE; + Error(ERR_WARN, "ReloadCustomImage(): cannot find file '%s'", basename); + return; } -#elif defined(PLATFORM_MSDOS) - if (MSDOSOpenAudio()) + + if (strcmp(filename, bitmap->source_filename) == 0) { - audio->sound_available = TRUE; - audio->loops_available = TRUE; + /* The old and new image are the same (have the same filename and path). + This usually means that this image does not exist in this graphic set + and a fallback to the existing image is done. */ + + return; } -#elif defined(PLATFORM_UNIX) - UnixOpenAudio(audio); + + if ((new_bitmap = LoadImage(filename)) == NULL) + { + Error(ERR_WARN, "LoadImage() failed: %s", GetError()); + return; + } + + if (bitmap->width != new_bitmap->width || + bitmap->height != new_bitmap->height) + { + Error(ERR_WARN, "ReloadCustomImage: new image '%s' has wrong dimensions", + filename); + FreeBitmap(new_bitmap); + return; + } + + TransferBitmapPointers(new_bitmap, bitmap); + free(new_bitmap); +} + +Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height) +{ + Bitmap *dst_bitmap = CreateBitmap(zoom_width, zoom_height, DEFAULT_DEPTH); + +#if defined(TARGET_SDL) + SDLZoomBitmap(src_bitmap, dst_bitmap); +#else + X11ZoomBitmap(src_bitmap, dst_bitmap); #endif - return audio->sound_available; + return dst_bitmap; } -inline void CloseAudio(struct AudioSystemInfo *audio) +void CreateBitmapWithSmallBitmaps(Bitmap *src_bitmap) +{ + Bitmap *tmp_bitmap, *tmp_bitmap_2, *tmp_bitmap_8; + int src_width, src_height; + int tmp_width, tmp_height; + + src_width = src_bitmap->width; + src_height = src_bitmap->height; + + tmp_width = src_width; + tmp_height = src_height + src_height / 2; + + tmp_bitmap = CreateBitmap(tmp_width, tmp_height, DEFAULT_DEPTH); + + tmp_bitmap_2 = ZoomBitmap(src_bitmap, src_width / 2, src_height / 2); + tmp_bitmap_8 = ZoomBitmap(src_bitmap, src_width / 8, src_height / 8); + + BlitBitmap(src_bitmap, tmp_bitmap, 0, 0, src_width, src_height, 0, 0); + BlitBitmap(tmp_bitmap_2, tmp_bitmap, 0, 0, src_width / 2, src_height / 2, + 0, src_height); + BlitBitmap(tmp_bitmap_8, tmp_bitmap, 0, 0, src_width / 8, src_height / 8, + 3 * src_width / 4, src_height); + + FreeBitmap(tmp_bitmap_2); + FreeBitmap(tmp_bitmap_8); + +#if defined(TARGET_SDL) + src_bitmap->surface = tmp_bitmap->surface; + tmp_bitmap->surface = NULL; +#else + src_bitmap->drawable = tmp_bitmap->drawable; + tmp_bitmap->drawable = None; +#endif + + src_bitmap->height = tmp_bitmap->height; + + FreeBitmap(tmp_bitmap); +} + + +/* ------------------------------------------------------------------------- */ +/* mouse pointer functions */ +/* ------------------------------------------------------------------------- */ + +/* cursor bitmap in XPM format */ +static const char *cursor_image_playfield[] = +{ + /* width height num_colors chars_per_pixel */ + " 32 32 3 1", + + /* colors */ + "X c #000000", + ". c #ffffff", + " c None", + + " X ", + "X.X ", + " X ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + "1,1" +}; + +static struct MouseCursorInfo *get_cursor_from_image(const char **image) +{ + struct MouseCursorInfo *cursor; + int row, col, i; + + cursor = checked_calloc(sizeof(struct MouseCursorInfo)); + + i = -1; + for (row=0; row<32; ++row) + { + for (col=0; col<32; ++col) + { + if (col % 8) + { + cursor->data[i] <<= 1; + cursor->mask[i] <<= 1; + } + else + { + i++; + cursor->data[i] = cursor->mask[i] = 0; + } + + switch (image[4+row][col]) + { + case 'X': + cursor->data[i] |= 0x01; + cursor->mask[i] |= 0x01; + break; + + case '.': + cursor->mask[i] |= 0x01; + break; + + case ' ': + break; + } + } + } + + sscanf(image[4+row], "%d,%d", &cursor->hot_x, &cursor->hot_y); + + cursor->width = 32; + cursor->height = 32; + + return cursor; +} + +void SetMouseCursor(int mode) +{ + struct MouseCursorInfo *cursor_playfield = NULL; + + if (cursor_playfield == NULL) + cursor_playfield = get_cursor_from_image(cursor_image_playfield); + +#if defined(TARGET_SDL) + SDLSetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL); +#elif defined(TARGET_X11_NATIVE) + X11SetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL); +#endif +} + + +/* ========================================================================= */ +/* audio functions */ +/* ========================================================================= */ + +inline void OpenAudio(void) +{ + /* always start with reliable default values */ + audio.sound_available = FALSE; + audio.music_available = FALSE; + audio.loops_available = FALSE; + + audio.sound_enabled = FALSE; + audio.sound_deactivated = FALSE; + + audio.mixer_pipe[0] = audio.mixer_pipe[1] = 0; + audio.mixer_pid = 0; + audio.device_name = NULL; + audio.device_fd = -1; + + audio.num_channels = 0; + audio.music_channel = 0; + audio.first_sound_channel = 0; + +#if defined(TARGET_SDL) + SDLOpenAudio(); +#elif defined(PLATFORM_UNIX) + UnixOpenAudio(); +#elif defined(PLATFORM_MSDOS) + MSDOSOpenAudio(); +#endif +} + +inline void CloseAudio(void) { #if defined(TARGET_SDL) SDLCloseAudio(); +#elif defined(PLATFORM_UNIX) + UnixCloseAudio(); #elif defined(PLATFORM_MSDOS) MSDOSCloseAudio(); -#elif defined(PLATFORM_UNIX) - UnixCloseAudio(audio); #endif - audio->sound_available = FALSE; - audio->loops_available = FALSE; + audio.sound_enabled = FALSE; +} + +inline void SetAudioMode(boolean enabled) +{ + if (!audio.sound_available) + return; + + audio.sound_enabled = enabled; } @@ -344,7 +1024,7 @@ inline void CloseAudio(struct AudioSystemInfo *audio) inline void InitEventFilter(EventFilter filter_function) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) /* set event filter to filter out certain events */ SDL_SetEventFilter(filter_function); #endif @@ -352,7 +1032,7 @@ inline void InitEventFilter(EventFilter filter_function) inline boolean PendingEvent(void) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) return (SDL_PollEvent(NULL) ? TRUE : FALSE); #else return (XPending(display) ? TRUE : FALSE); @@ -361,8 +1041,8 @@ inline boolean PendingEvent(void) inline void NextEvent(Event *event) { -#ifdef TARGET_SDL - SDL_WaitEvent(event); +#if defined(TARGET_SDL) + SDLNextEvent(event); #else XNextEvent(display, event); #endif @@ -370,7 +1050,7 @@ inline void NextEvent(Event *event) inline Key GetEventKey(KeyEvent *event, boolean with_modifiers) { -#ifdef TARGET_SDL +#if defined(TARGET_SDL) #if 0 printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n", (int)event->keysym.unicode, @@ -378,7 +1058,9 @@ inline Key GetEventKey(KeyEvent *event, boolean with_modifiers) (int)SDL_GetModState()); #endif - if (with_modifiers && event->keysym.unicode != 0) + if (with_modifiers && + event->keysym.unicode > 0x0000 && + event->keysym.unicode < 0x2000) return event->keysym.unicode; else return event->keysym.sym; @@ -404,7 +1086,7 @@ inline boolean CheckCloseWindowEvent(ClientMessageEvent *event) #if defined(TARGET_SDL) return TRUE; /* the only possible message here is SDL_QUIT */ #elif defined(PLATFORM_UNIX) - if ((event->window == window) && + if ((event->window == window->drawable) && (event->data.l[0] == XInternAtom(display, "WM_DELETE_WINDOW", FALSE))) return TRUE; #endif @@ -413,9 +1095,39 @@ inline boolean CheckCloseWindowEvent(ClientMessageEvent *event) } -inline void dummy(void) +/* ========================================================================= */ +/* joystick functions */ +/* ========================================================================= */ + +inline void InitJoysticks() { -#ifdef TARGET_SDL -#else + int i; + +#if defined(NO_JOYSTICK) + return; /* joysticks generally deactivated by compile-time directive */ +#endif + + /* always start with reliable default values */ + joystick.status = JOYSTICK_NOT_AVAILABLE; + for (i=0; i