X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.c;h=a91d243876c6800365a2f039af56257f9ed7d1ee;hb=e0e2697df0d0da483a91b1248c120aef6b3caf9b;hp=471c614f70af6c2783dad96b0a267d21b1c1cafd;hpb=49221e59bff18cdfbef8c877b588280266ae5037;p=rocksndiamonds.git diff --git a/src/libgame/system.c b/src/libgame/system.c index 471c614f..a91d2438 100644 --- a/src/libgame/system.c +++ b/src/libgame/system.c @@ -1,18 +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) 1994-2001 Artsoft Entertainment * +* Holger Schemel * +* Detmolder Strasse 189 * +* 33604 Bielefeld * +* Germany * +* e-mail: info@artsoft.org * *----------------------------------------------------------* -* system.c * +* system.c * ***********************************************************/ -#include "libgame.h" +#include +#include + +#include "platform.h" + +#if defined(PLATFORM_MSDOS) +#include +#endif + +#include "system.h" +#include "sound.h" +#include "setup.h" +#include "joystick.h" +#include "misc.h" /* ========================================================================= */ @@ -24,47 +36,113 @@ struct OptionInfo options; struct VideoSystemInfo video; struct AudioSystemInfo audio; struct GfxInfo gfx; +struct JoystickInfo joystick; +struct SetupInfo setup; + +struct LevelDirInfo *leveldir_first = NULL; +struct LevelDirInfo *leveldir_current = NULL; +int level_nr; -Display *display = NULL; -Visual *visual = NULL; -int screen = 0; -Colormap cmap = None; +Display *display = NULL; +Visual *visual = NULL; +int screen = 0; +Colormap cmap = None; -DrawWindow window = NULL; -DrawBuffer backbuffer = NULL; -DrawBuffer drawto = NULL; +DrawWindow *window = NULL; +DrawBuffer *backbuffer = NULL; +DrawBuffer *drawto = NULL; -int button_status = MB_NOT_PRESSED; -boolean motion_status = FALSE; +int button_status = MB_NOT_PRESSED; +boolean motion_status = FALSE; -int redraw_mask = REDRAW_NONE; -int redraw_tiles = 0; +int redraw_mask = REDRAW_NONE; +int redraw_tiles = 0; -int FrameCounter = 0; +int FrameCounter = 0; /* ========================================================================= */ -/* video functions */ +/* init/close functions */ /* ========================================================================= */ -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) +void InitCommandName(char *argv0) +{ + program.command_basename = + (strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0); +} + +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; +#endif + +#if !defined(PLATFORM_UNIX) + program.userdata_directory = "userdata"; + 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) { - program.command_name = command_name; +#if !defined(PLATFORM_UNIX) + dumpErrorFile(); +#endif +} + +void InitProgramInfo(char *unix_userdata_directory, char *program_title, + char *window_title, char *icon_title, + char *x11_icon_basename, char *x11_iconmask_basename, + char *msdos_pointer_basename, + char *cookie_prefix, int program_version) +{ + char *x11_icon_filename = + getPath2(options.graphics_directory, x11_icon_basename); + char *x11_iconmask_filename = + getPath2(options.graphics_directory, x11_iconmask_basename); + char *msdos_pointer_filename = + getPath2(options.graphics_directory, msdos_pointer_basename); + +#if defined(PLATFORM_UNIX) + program.userdata_directory = unix_userdata_directory; +#else + program.userdata_directory = "userdata"; +#endif + 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.cookie_prefix = cookie_prefix; + program.version_major = VERSION_MAJOR(program_version); + program.version_minor = VERSION_MINOR(program_version); + program.version_patch = VERSION_PATCH(program_version); } -inline void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize, - int real_sx, int real_sy, - int full_sxsize, int full_sysize) +void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize, + int real_sx, int real_sy, + int full_sxsize, int full_sysize) { gfx.sx = sx; gfx.sy = sy; @@ -76,7 +154,7 @@ inline void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize, gfx.full_sysize = full_sysize; } -inline void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize) +void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize) { gfx.dx = dx; gfx.dy = dy; @@ -84,7 +162,7 @@ inline void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize) gfx.dysize = dysize; } -inline void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize) +void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize) { gfx.vx = vx; gfx.vy = vy; @@ -92,14 +170,18 @@ inline void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize) gfx.vysize = vysize; } -inline void InitGfxScrollbufferInfo(int scrollbuffer_width, - int scrollbuffer_height) +void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height) { /* currently only used by MSDOS code to alloc VRAM buffer, if available */ gfx.scrollbuffer_width = scrollbuffer_width; gfx.scrollbuffer_height = scrollbuffer_height; } + +/* ========================================================================= */ +/* video functions */ +/* ========================================================================= */ + inline static int GetRealDepth(int depth) { return (depth == DEFAULT_DEPTH ? video.default_depth : depth); @@ -107,14 +189,26 @@ inline static int GetRealDepth(int depth) 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) { @@ -131,7 +225,7 @@ inline void InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window, #endif } -inline Bitmap CreateBitmapStruct(void) +inline Bitmap *CreateBitmapStruct(void) { #ifdef TARGET_SDL return checked_calloc(sizeof(struct SDLSurfaceInfo)); @@ -140,9 +234,9 @@ inline Bitmap CreateBitmapStruct(void) #endif } -inline Bitmap CreateBitmap(int width, int height, int depth) +inline Bitmap *CreateBitmap(int width, int height, int depth) { - Bitmap new_bitmap = CreateBitmapStruct(); + Bitmap *new_bitmap = CreateBitmapStruct(); int real_depth = GetRealDepth(depth); #ifdef TARGET_SDL @@ -162,21 +256,26 @@ inline Bitmap CreateBitmap(int width, int height, int depth) #else Pixmap pixmap; - if (!(pixmap = XCreatePixmap(display, window->drawable, - width, height, real_depth))) + if ((pixmap = XCreatePixmap(display, window->drawable, + width, height, real_depth)) + == None) Error(ERR_EXIT, "cannot create pixmap"); + new_bitmap->drawable = pixmap; if (window == NULL) Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first"); + new_bitmap->gc = window->gc; + new_bitmap->line_gc[0] = window->line_gc[0]; + new_bitmap->line_gc[1] = window->line_gc[1]; #endif return new_bitmap; } -inline void FreeBitmap(Bitmap bitmap) +inline void FreeBitmap(Bitmap *bitmap) { if (bitmap == NULL) return; @@ -198,7 +297,7 @@ inline void FreeBitmap(Bitmap bitmap) free(bitmap); } -inline void CloseWindow(DrawWindow window) +inline void CloseWindow(DrawWindow *window) { #ifdef TARGET_X11 if (window->drawable) @@ -211,7 +310,7 @@ inline void CloseWindow(DrawWindow window) #endif } -inline void BlitBitmap(Bitmap src_bitmap, Bitmap dst_bitmap, +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) @@ -225,7 +324,7 @@ inline void BlitBitmap(Bitmap src_bitmap, Bitmap dst_bitmap, #endif } -inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height) +inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height) { #ifdef TARGET_SDL SDLFillRectangle(bitmap, x, y, width, height, 0x000000); @@ -240,7 +339,7 @@ static GC last_clip_gc = 0; /* needed for XCopyArea() through clip mask */ #endif #endif -inline void SetClipMask(Bitmap bitmap, GC clip_gc, Pixmap clip_pixmap) +inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap) { #ifdef TARGET_X11 if (clip_gc) @@ -254,7 +353,7 @@ inline void SetClipMask(Bitmap bitmap, GC clip_gc, Pixmap clip_pixmap) #endif } -inline void SetClipOrigin(Bitmap bitmap, GC clip_gc, int clip_x, int clip_y) +inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y) { #ifdef TARGET_X11 if (clip_gc) @@ -268,7 +367,7 @@ inline void SetClipOrigin(Bitmap bitmap, GC clip_gc, int clip_x, int clip_y) #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) @@ -282,11 +381,11 @@ inline void BlitBitmapMasked(Bitmap src_bitmap, Bitmap dst_bitmap, #endif } -inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y, +inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y, int to_x, int to_y) { #ifdef TARGET_SDL - SDLDrawSimpleLine(bitmap->surface, from_x, from_y, to_x, to_y, 0xffffff); + SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff); #else XSetForeground(display, bitmap->gc, WhitePixel(display, screen)); XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y); @@ -294,6 +393,113 @@ inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y, #endif } +#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); + /* + XSetForeground(display, gc, BlackPixel(display, screen)); + */ +#endif +} + +inline Pixel GetPixel(Bitmap *bitmap, int x, int y) +{ +#if defined(TARGET_SDL) + return SDLGetPixel(bitmap, x, y); +#elif defined(TARGET_ALLEGRO) + return AllegroGetPixel(bitmap->drawable, x, y); +#else + unsigned long pixel_value; + XImage *pixel_image; + + pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1, + AllPlanes, ZPixmap); + pixel_value = XGetPixel(pixel_image, 0, 0); + + XDestroyImage(pixel_image); + + return pixel_value; +#endif +} + +inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r, + unsigned int color_g, unsigned int color_b) +{ + Pixel pixel; + +#if defined(TARGET_SDL) + pixel = SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b); +#elif defined(TARGET_ALLEGRO) + pixel = AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8); +#elif defined(TARGET_X11_NATIVE) + XColor xcolor; + + xcolor.flags = DoRed | DoGreen | DoBlue; + xcolor.red = (color_r << 8); + xcolor.green = (color_g << 8); + xcolor.blue = (color_b << 8); + XAllocColor(display, cmap, &xcolor); + pixel = xcolor.pixel; +#endif + + return pixel; +} + +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) { @@ -317,7 +523,8 @@ inline void KeyboardAutoRepeatOn(void) SDL_DEFAULT_REPEAT_INTERVAL / 2); SDL_EnableUNICODE(1); #else - XAutoRepeatOn(display); + if (display) + XAutoRepeatOn(display); #endif } @@ -327,11 +534,12 @@ inline void KeyboardAutoRepeatOff(void) 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 return TRUE; @@ -380,51 +588,73 @@ inline boolean ChangeVideoModeIfNeeded(boolean fullscreen) return fullscreen; } +Bitmap *LoadImage(char *basename) +{ + Bitmap *new_bitmap; + char *filename = getPath2(options.graphics_directory, basename); + +#if defined(TARGET_SDL) + new_bitmap = SDLLoadImage(filename); +#else + new_bitmap = X11LoadImage(filename); +#endif + + free(filename); + + return new_bitmap; +} + /* ========================================================================= */ /* audio functions */ /* ========================================================================= */ -inline boolean OpenAudio(struct AudioSystemInfo *audio) +inline void OpenAudio(void) { - 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; + /* always start with reliable default values */ + audio.sound_available = FALSE; + audio.music_available = FALSE; + audio.loops_available = FALSE; + audio.mods_available = FALSE; + audio.sound_enabled = FALSE; + + audio.soundserver_pipe[0] = audio.soundserver_pipe[1] = 0; + audio.soundserver_pid = 0; + audio.device_name = NULL; + audio.device_fd = 0; + + audio.channels = 0; + audio.music_channel = 0; + audio.music_nr = 0; #if defined(TARGET_SDL) - if (SDLOpenAudio()) - { - audio->sound_available = TRUE; - audio->loops_available = TRUE; - } -#elif defined(PLATFORM_MSDOS) - if (MSDOSOpenAudio()) - { - audio->sound_available = TRUE; - audio->loops_available = TRUE; - } + SDLOpenAudio(); #elif defined(PLATFORM_UNIX) - UnixOpenAudio(audio); + UnixOpenAudio(); +#elif defined(PLATFORM_MSDOS) + MSDOSOpenAudio(); #endif - - return audio->sound_available; } -inline void CloseAudio(struct AudioSystemInfo *audio) +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; } @@ -452,7 +682,7 @@ inline boolean PendingEvent(void) inline void NextEvent(Event *event) { #ifdef TARGET_SDL - SDL_WaitEvent(event); + SDLNextEvent(event); #else XNextEvent(display, event); #endif @@ -503,9 +733,39 @@ inline boolean CheckCloseWindowEvent(ClientMessageEvent *event) } -inline void dummy(void) +/* ========================================================================= */ +/* joystick functions */ +/* ========================================================================= */ + +inline void InitJoysticks() { -#ifdef TARGET_SDL -#else + int i; + +#ifdef 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