From: Holger Schemel Date: Thu, 20 Feb 2020 01:02:49 +0000 (+0100) Subject: cleanup of code to blit screen bitmap to target bitmap for EM engine X-Git-Tag: 4.2.0.0~87 X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=a335ab0bab1ccd58275b03f0bc3cada75a3dc389;p=rocksndiamonds.git cleanup of code to blit screen bitmap to target bitmap for EM engine --- diff --git a/src/game_em/graphics.c b/src/game_em/graphics.c index 859fc298..43c5e4b2 100644 --- a/src/game_em/graphics.c +++ b/src/game_em/graphics.c @@ -73,44 +73,40 @@ void BlitScreenToBitmap_EM(Bitmap *target_bitmap) int sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0); int sxsize = (full_xsize < xsize ? full_xsize : xsize); int sysize = (full_ysize < ysize ? full_ysize : ysize); + int xxsize = MAX_BUF_XSIZE * TILEX - x; + int yysize = MAX_BUF_YSIZE * TILEY - y; + int xoffset = 2 * TILEX; + int yoffset = 2 * TILEY; - if (x < 2 * TILEX && y < 2 * TILEY) + if (x < xoffset && y < yoffset) { - BlitBitmap(screenBitmap, target_bitmap, x, y, - sxsize, sysize, sx, sy); + BlitBitmap(screenBitmap, target_bitmap, x, y, sxsize, sysize, + sx, sy); } - else if (x < 2 * TILEX && y >= 2 * TILEY) + else if (x < xoffset && y >= yoffset) { - BlitBitmap(screenBitmap, target_bitmap, x, y, - sxsize, MAX_BUF_YSIZE * TILEY - y, + BlitBitmap(screenBitmap, target_bitmap, x, y, sxsize, yysize, sx, sy); - BlitBitmap(screenBitmap, target_bitmap, x, 0, - sxsize, y - 2 * TILEY, - sx, sy + MAX_BUF_YSIZE * TILEY - y); + BlitBitmap(screenBitmap, target_bitmap, x, 0, sxsize, y - yoffset, + sx, sy + yysize); } - else if (x >= 2 * TILEX && y < 2 * TILEY) + else if (x >= xoffset && y < yoffset) { - BlitBitmap(screenBitmap, target_bitmap, x, y, - MAX_BUF_XSIZE * TILEX - x, sysize, + BlitBitmap(screenBitmap, target_bitmap, x, y, xxsize, sysize, sx, sy); - BlitBitmap(screenBitmap, target_bitmap, 0, y, - x - 2 * TILEX, sysize, - sx + MAX_BUF_XSIZE * TILEX - x, sy); + BlitBitmap(screenBitmap, target_bitmap, 0, y, x - xoffset, sysize, + sx + xxsize, sy); } else { - BlitBitmap(screenBitmap, target_bitmap, x, y, - MAX_BUF_XSIZE * TILEX - x, MAX_BUF_YSIZE * TILEY - y, + BlitBitmap(screenBitmap, target_bitmap, x, y, xxsize, yysize, sx, sy); - BlitBitmap(screenBitmap, target_bitmap, 0, y, - x - 2 * TILEX, MAX_BUF_YSIZE * TILEY - y, - sx + MAX_BUF_XSIZE * TILEX - x, sy); - BlitBitmap(screenBitmap, target_bitmap, x, 0, - MAX_BUF_XSIZE * TILEX - x, y - 2 * TILEY, - sx, sy + MAX_BUF_YSIZE * TILEY - y); - BlitBitmap(screenBitmap, target_bitmap, 0, 0, - x - 2 * TILEX, y - 2 * TILEY, - sx + MAX_BUF_XSIZE * TILEX - x, sy + MAX_BUF_YSIZE * TILEY - y); + BlitBitmap(screenBitmap, target_bitmap, 0, y, x - xoffset, yysize, + sx + xxsize, sy); + BlitBitmap(screenBitmap, target_bitmap, x, 0, xxsize, y - yoffset, + sx, sy + yysize); + BlitBitmap(screenBitmap, target_bitmap, 0, 0, x - xoffset, y - yoffset, + sx + xxsize, sy + yysize); } }