- int width = TILEX, height = TILEY;
- int cx = 0, cy = 0;
- int src_x,src_y, dest_x,dest_y;
-
- if (graphic < 0)
- {
- DrawGraphic(x,y,graphic);
- return;
- }
-
- if (dx || dy) /* Verschiebung der Grafik? */
- {
- if (x < BX1) /* Element kommt von links ins Bild */
- {
- x = BX1;
- width = dx;
- cx = TILEX - dx;
- dx = 0;
- }
- else if (x > BX2) /* Element kommt von rechts ins Bild */
- {
- x = BX2;
- width = -dx;
- dx = TILEX + dx;
- }
- else if (x==BX1 && dx<0) /* Element verläßt links das Bild */
- {
- width += dx;
- cx = -dx;
- dx = 0;
- }
- else if (x==BX2 && dx>0) /* Element verläßt rechts das Bild */
- width -= dx;
- else if (dx) /* allg. Bewegung in x-Richtung */
- MarkTileDirty(x + SIGN(dx), y);
-
- if (y < BY1) /* Element kommt von oben ins Bild */
- {
- if (cut_mode==CUT_BELOW) /* Element oberhalb des Bildes */
- return;
-
- y = BY1;
- height = dy;
- cy = TILEY - dy;
- dy = 0;
- }
- else if (y > BY2) /* Element kommt von unten ins Bild */
- {
- y = BY2;
- height = -dy;
- dy = TILEY + dy;
- }
- else if (y==BY1 && dy<0) /* Element verläßt oben das Bild */
- {
- height += dy;
- cy = -dy;
- dy = 0;
- }
- else if (dy > 0 && cut_mode==CUT_ABOVE)
- {
- if (y == BY2) /* Element unterhalb des Bildes */
- return;
-
- height = dy;
- cy = TILEY-dy;
- dy = TILEY;
- MarkTileDirty(x, y + 1);
- } /* Element verläßt unten das Bild */
- else if (dy > 0 && (y == BY2 || cut_mode==CUT_BELOW))
- height -= dy;
- else if (dy) /* allg. Bewegung in y-Richtung */
- MarkTileDirty(x, y + SIGN(dy));
- }
-
- if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
- {
- graphic -= GFX_START_ROCKSSCREEN;
- src_x = SX+(graphic % GFX_PER_LINE)*TILEX+cx;
- src_y = SY+(graphic / GFX_PER_LINE)*TILEY+cy;
- dest_x = FX+x*TILEX+dx;
- dest_y = FY+y*TILEY+dy;
-
- XSetClipOrigin(display,clip_gc[PIX_BACK],dest_x-src_x,dest_y-src_y);
- XCopyArea(display,pix[PIX_BACK],drawto_field,clip_gc[PIX_BACK],
- src_x,src_y, width,height, dest_x,dest_y);
- }
- else if (graphic >= GFX_START_ROCKSHEROES && graphic <= GFX_END_ROCKSHEROES)
- {
- graphic -= GFX_START_ROCKSHEROES;
- src_x = (graphic % HEROES_PER_LINE)*TILEX+cx;
- src_y = (graphic / HEROES_PER_LINE)*TILEY+cy;
- dest_x = FX+x*TILEX+dx;
- dest_y = FY+y*TILEY+dy;
-
- XSetClipOrigin(display,clip_gc[PIX_HEROES],dest_x-src_x,dest_y-src_y);
- XCopyArea(display,pix[PIX_HEROES],drawto_field,clip_gc[PIX_HEROES],
- src_x,src_y, width,height, dest_x,dest_y);
- }
-
-#if DEBUG
- if (!IN_SCR_FIELD(x,y))
- {
- printf("DrawGraphicShiftedThruMask(): x = %d, y = %d, graphic = %d\n",
- x,y,graphic);
- printf("DrawGraphicShifted(): This should never happen!\n");
- return;
- }
-#endif
-
- MarkTileDirty(x,y);