int ScreenBuffer[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
+int getFieldbufferOffsetX_SP()
+{
+ int px = 2 * TILEX + (mScrollX - mScrollX_last) % TILEX;
+
+ /* scroll correction for even number of visible tiles (half tile shifted) */
+ px += game_sp.scroll_xoffset;
+
+ if (ExplosionShakeMurphy != 0)
+ px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
+
+ px = px * TILESIZE_VAR / TILESIZE;
+
+ return px;
+}
+
+int getFieldbufferOffsetY_SP()
+{
+ int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
+
+ /* scroll correction for even number of visible tiles (half tile shifted) */
+ py += game_sp.scroll_yoffset;
+
+ if (ExplosionShakeMurphy != 0)
+ py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
+
+ py = py * TILESIZE_VAR / TILESIZE;
+
+ return py;
+}
+
void RestorePlayfield()
{
int x1 = mScrollX / TILEX - 2;
#endif
}
-/* copy the entire screen to the window at the scroll position */
-
void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
{
- int px = 2 * TILEX + (mScrollX - mScrollX_last) % TILEX;
- int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
- int sx, sy, sxsize, sysize;
+ /* copy playfield buffer to target bitmap at scroll position */
+
+ int px = getFieldbufferOffsetX_SP();
+ int py = getFieldbufferOffsetY_SP();
int xsize = SXSIZE;
int ysize = SYSIZE;
int full_xsize = (FieldWidth - (menBorder ? 0 : 1)) * TILEX_VAR;
int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
-
- sxsize = (full_xsize < xsize ? full_xsize : xsize);
- sysize = (full_ysize < ysize ? full_ysize : ysize);
- sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
- sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
-
- /* scroll correction for even number of visible tiles (half tile shifted) */
- px += game_sp.scroll_xoffset;
- py += game_sp.scroll_yoffset;
-
- if (ExplosionShakeMurphy != 0)
- {
- px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
- py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
- }
-
- px = px * TILESIZE_VAR / TILESIZE;
- py = py * TILESIZE_VAR / TILESIZE;
+ int sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
+ 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);
BlitBitmap(bitmap_db_field_sp, target_bitmap, px, py, sxsize, sysize, sx, sy);
}
-void BackToFront_SP(void)
-{
- BlitScreenToBitmap_SP(window);
-}
-
void DDScrollBuffer_ScrollTo(int X, int Y)
{
if (NoDisplayFlag)