+ /* initialize pixmap array to Pixmap 'None' */
+ for(i=0; i<NUM_TILES; i++)
+ tile_clipmask[i] = None;
+
+ /* create only those clipping Pixmaps we really need */
+ for(i=0; tile_needs_clipping[i].start>=0; i++)
+ {
+ for(j=0; j<tile_needs_clipping[i].count; j++)
+ {
+ int tile = tile_needs_clipping[i].start + j;
+ int graphic = tile;
+ int src_x, src_y;
+ int pixmap_nr;
+ Pixmap src_pixmap;
+
+ getGraphicSource(graphic, &pixmap_nr, &src_x, &src_y);
+ src_pixmap = clipmask[pixmap_nr];
+
+ tile_clipmask[tile] = XCreatePixmap(display, window, TILEX,TILEY, 1);
+
+ XCopyArea(display,src_pixmap,tile_clipmask[tile],copy_clipmask_gc,
+ src_x,src_y, TILEX,TILEY, 0,0);
+ }
+ }
+
+#endif /* !TARGET_SDL */
+}
+
+void InitGfxBackground()
+{
+ int x, y;
+
+ drawto = backbuffer = pix[PIX_DB_BACK];
+ fieldbuffer = pix[PIX_DB_FIELD];
+ SetDrawtoField(DRAW_BACKBUFFER);
+
+ BlitBitmap(pix[PIX_BACK], backbuffer, 0,0, WIN_XSIZE,WIN_YSIZE, 0,0);
+ ClearRectangle(backbuffer, REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE);
+ ClearRectangle(pix[PIX_DB_DOOR], 0,0, 3*DXSIZE,DYSIZE+VYSIZE);
+
+ for(x=0; x<MAX_BUF_XSIZE; x++)
+ for(y=0; y<MAX_BUF_YSIZE; y++)
+ redraw[x][y] = 0;
+ redraw_tiles = 0;
+ redraw_mask = REDRAW_ALL;
+}
+
+void LoadGfx(int pos, struct PictureFileInfo *pic)
+{
+ char basefilename[256];
+ char filename[256];
+
+#ifdef TARGET_SDL
+ SDL_Surface *sdl_image_tmp;
+#else /* !TARGET_SDL */
+ int pcx_err;
+#endif /* !TARGET_SDL */
+ char *picture_ext = ".pcx";
+
+ /* Grafik laden */
+ if (pic->picture_filename)
+ {
+ sprintf(basefilename, "%s%s", pic->picture_filename, picture_ext);
+ DrawInitText(basefilename, 150, FC_YELLOW);
+ sprintf(filename, "%s/%s/%s",
+ options.ro_base_directory, GRAPHICS_DIRECTORY, basefilename);
+
+#ifdef MSDOS
+ rest(100);
+#endif /* MSDOS */
+
+#ifdef TARGET_SDL
+ /* load image to temporary surface */
+ if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
+ Error(ERR_EXIT, "IMG_Load() failed: %s", SDL_GetError());
+
+ /* create native non-transparent surface for current image */
+ if ((pix[pos] = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
+ Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+ /* create native transparent surface for current image */
+ SDL_SetColorKey(sdl_image_tmp, SDL_SRCCOLORKEY,
+ SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00));
+ if ((pix_masked[pos] = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
+ Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+ /* free temporary surface */
+ SDL_FreeSurface(sdl_image_tmp);
+
+#else /* !TARGET_SDL */
+
+ pcx_err = Read_PCX_to_Pixmap(display, window, gc, filename,
+ &pix[pos], &clipmask[pos]);
+ switch(pcx_err)
+ {
+ case PCX_Success:
+ break;
+ case PCX_OpenFailed:
+ Error(ERR_EXIT, "cannot open PCX file '%s'", filename);
+ case PCX_ReadFailed:
+ Error(ERR_EXIT, "cannot read PCX file '%s'", filename);
+ case PCX_FileInvalid:
+ Error(ERR_EXIT, "invalid PCX file '%s'", filename);
+ case PCX_NoMemory:
+ Error(ERR_EXIT, "not enough memory for PCX file '%s'", filename);
+ case PCX_ColorFailed:
+ Error(ERR_EXIT, "cannot get colors for PCX file '%s'", filename);
+ default:
+ break;
+ }
+
+ if (!pix[pos])
+ Error(ERR_EXIT, "cannot get graphics for '%s'", pic->picture_filename);
+
+ /* setting pix_masked[] to pix[] allows BlitBitmapMasked() to always
+ use pix_masked[], although they are the same when not using SDL */
+ pix_masked[pos] = pix[pos];