X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fsdl.c;fp=src%2Fsdl.c;h=0000000000000000000000000000000000000000;hp=6e4b781b0df5a63cbdfa5ffb73ebaf448e5f1605;hb=da14f69fd95c7bd5a0d70cdf4935af06f1f20a04;hpb=228a5718ede5ee00512ed2e333b3cee47baa124c diff --git a/src/sdl.c b/src/sdl.c deleted file mode 100644 index 6e4b781b..00000000 --- a/src/sdl.c +++ /dev/null @@ -1,214 +0,0 @@ -/*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * -*----------------------------------------------------------* -* ©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 * -*----------------------------------------------------------* -* sdl.c * -***********************************************************/ - -#ifdef TARGET_SDL - -#include "main.h" -#include "misc.h" - -inline void SDLInitBufferedDisplay(DrawBuffer *backbuffer, DrawWindow *window) -{ - /* initialize SDL video */ - if (SDL_Init(SDL_INIT_VIDEO) < 0) - Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError()); - - /* automatically cleanup SDL stuff after exit() */ - atexit(SDL_Quit); - - /* open SDL video output device (window or fullscreen mode) */ - if (!SDLSetVideoMode(backbuffer)) - Error(ERR_EXIT, "setting video mode failed"); - - /* set window and icon title */ - SDL_WM_SetCaption(WINDOW_TITLE_STRING, WINDOW_TITLE_STRING); - - /* create additional buffer for double-buffering */ - pix[PIX_DB_BACK] = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH); - - /* SDL cannot directly draw to the visible video framebuffer like X11, - but always uses a backbuffer, which is then blitted to the visible - video framebuffer with 'SDL_UpdateRect' (or replaced with the current - visible video framebuffer with 'SDL_Flip', if the hardware supports - this). Therefore do not use an additional backbuffer for drawing, but - use a symbolic buffer (distinguishable from the SDL backbuffer) called - 'window', which indicates that the SDL backbuffer should be updated to - the visible video framebuffer when attempting to blit to it. - - For convenience, it seems to be a good idea to create this symbolic - buffer 'window' at the same size as the SDL backbuffer. Although it - should never be drawn to directly, it would do no harm nevertheless. */ - - *window = pix[PIX_DB_BACK]; /* 'window' is only symbolic buffer */ - pix[PIX_DB_BACK] = *backbuffer; /* 'backbuffer' is SDL screen buffer */ -} - -inline boolean SDLSetVideoMode(DrawBuffer *backbuffer) -{ - boolean success = TRUE; - - if (setup.fullscreen && !fullscreen_enabled && fullscreen_available) - { - /* switch display to fullscreen mode, if available */ - DrawWindow window_old = *backbuffer; - DrawWindow window_new; - - if ((window_new = SDL_SetVideoMode(WIN_XSIZE, WIN_YSIZE, WIN_SDL_DEPTH, - SDL_HWSURFACE|SDL_FULLSCREEN)) - == NULL) - { - /* switching display to fullscreen mode failed */ - Error(ERR_WARN, "SDL_SetVideoMode() failed: %s", SDL_GetError()); - - /* do not try it again */ - fullscreen_available = FALSE; - success = FALSE; - } - else - { - if (window_old) - SDL_FreeSurface(window_old); - *backbuffer = window_new; - - fullscreen_enabled = TRUE; - success = TRUE; - } - } - - if ((!setup.fullscreen && fullscreen_enabled) || !*backbuffer) - { - /* switch display to window mode */ - DrawWindow window_old = *backbuffer; - DrawWindow window_new; - - if ((window_new = SDL_SetVideoMode(WIN_XSIZE, WIN_YSIZE, WIN_SDL_DEPTH, - SDL_HWSURFACE)) - == NULL) - { - /* switching display to window mode failed -- should not happen */ - Error(ERR_WARN, "SDL_SetVideoMode() failed: %s", SDL_GetError()); - - success = FALSE; - } - else - { - if (window_old) - SDL_FreeSurface(window_old); - *backbuffer = window_new; - - fullscreen_enabled = FALSE; - success = TRUE; - } - } - - return success; -} - -inline void SDLCopyArea(SDL_Surface *src_surface, SDL_Surface *dst_surface, - int src_x, int src_y, - int width, int height, - int dst_x, int dst_y) -{ - SDL_Surface *surface = (dst_surface == window ? backbuffer : dst_surface); - SDL_Rect src_rect, dst_rect; - - src_rect.x = src_x; - src_rect.y = src_y; - src_rect.w = width; - src_rect.h = height; - - dst_rect.x = dst_x; - dst_rect.y = dst_y; - dst_rect.w = width; - dst_rect.h = height; - - if (src_surface != backbuffer || dst_surface != window) - SDL_BlitSurface(src_surface, &src_rect, surface, &dst_rect); - - if (dst_surface == window) - SDL_UpdateRect(backbuffer, dst_x, dst_y, width, height); -} - -inline void SDLFillRectangle(SDL_Surface *dst_surface, int x, int y, - int width, int height, unsigned int color) -{ - SDL_Surface *surface = (dst_surface == window ? backbuffer : dst_surface); - SDL_Rect rect; - unsigned int color_r = (color >> 16) && 0xff; - unsigned int color_g = (color >> 8) && 0xff; - unsigned int color_b = (color >> 0) && 0xff; - - rect.x = x; - rect.y = y; - rect.w = width; - rect.h = height; - - SDL_FillRect(surface, &rect, - SDL_MapRGB(surface->format, color_r, color_g, color_b)); - - if (dst_surface == window) - SDL_UpdateRect(backbuffer, x, y, width, height); -} - -inline void SDLDrawSimpleLine(SDL_Surface *surface, int from_x, int from_y, - int to_x, int to_y, unsigned int color) -{ - SDL_Rect rect; - unsigned int color_r = (color >> 16) & 0xff; - unsigned int color_g = (color >> 8) & 0xff; - unsigned int color_b = (color >> 0) & 0xff; - - if (from_x > to_x) - swap_numbers(&from_x, &to_x); - - if (from_y > to_y) - swap_numbers(&from_y, &to_y); - - rect.x = from_x; - rect.y = from_y; - rect.w = (to_x - from_x + 1); - rect.h = (to_y - from_y + 1); - - SDL_FillRect(surface, &rect, - SDL_MapRGB(surface->format, color_r, color_g, color_b)); -} - -inline boolean SDLOpenAudio(void) -{ - if (SDL_Init(SDL_INIT_AUDIO) < 0) - { - Error(ERR_WARN, "SDL_Init() failed: %s", SDL_GetError()); - return FALSE; - } - - if (Mix_OpenAudio(22050, AUDIO_S16, 2, 512) < 0) - { - Error(ERR_WARN, "Mix_OpenAudio() failed: %s", SDL_GetError()); - return FALSE; - } - - Mix_Volume(-1, SDL_MIX_MAXVOLUME / 4); - Mix_VolumeMusic(SDL_MIX_MAXVOLUME / 4); - - return TRUE; -} - -inline void SDLCloseAudio(void) -{ - Mix_HaltMusic(); - Mix_HaltChannel(-1); - - Mix_CloseAudio(); -} - -#endif /* TARGET_SDL */