void
redraw_asteroids(void)
{
  int x, y, minx, miny, maxx, maxy;
  struct _clearzone *cz;
  int lx, ly, frame;
  W_Image *topleft, *topright, *bottomleft, *bottomright, *image;
  static W_Image *topleftsquare = NULL, *toprightsquare, *bottomleftsquare,
      *bottomrightsquare, *topleftrounded, *toprightrounded,
      *bottomleftrounded, *bottomrightrounded;

  if (!paradise)
    return;

  if(received_terrain_info) {
    int conv = blk_gwidth / 250;

    if(rounded_asteroids) {
      if(topleftsquare == NULL) {
	topleftsquare = getImage(I_ASTEROIDS_TOPLEFTSQUARE),
	toprightsquare = getImage(I_ASTEROIDS_TOPRIGHTSQUARE),
	bottomleftsquare = getImage(I_ASTEROIDS_BOTTOMLEFTSQUARE),
	bottomrightsquare = getImage(I_ASTEROIDS_BOTTOMRIGHTSQUARE),
	topleftrounded = getImage(I_ASTEROIDS_TOPLEFTROUNDED),
	toprightrounded = getImage(I_ASTEROIDS_TOPRIGHTROUNDED),
	bottomleftrounded = getImage(I_ASTEROIDS_BOTTOMLEFTROUNDED),
	bottomrightrounded = getImage(I_ASTEROIDS_BOTTOMRIGHTROUNDED);
      }

      /* draw asteroids [BDyess] */
      minx = (me->p_x - view) / conv;
      miny = (me->p_y - view) / conv;
      maxx = (me->p_x + view) / conv + 1;
      maxy = (me->p_y + view) / conv + 1;
      /* only check the asteroids visible [BDyess] */
      for(x = minx;x <= maxx; x++) {
	for(y = miny;y <= maxy; y++) {
	  if(terrainInfo[x*250+y].types) {
	    /* draw rounded corners if there are no adjacent squares.
	       Otherwise draw square corners [BDyess] */
	    /* topleft */
	    if (terrainInfo[(x-1)*250+y].types ||
		terrainInfo[x*250+y-1].types) {
	      topleft = topleftsquare;
	    } else {
	      topleft = topleftrounded;
	    }
	    /* topright */
	    if (terrainInfo[(x+1)*250+y].types ||
		terrainInfo[x*250+y-1].types) {
	      topright = toprightsquare;
	    } else {
	      topright = toprightrounded;
	    }
	    /* bottomleft */
	    if (terrainInfo[(x-1)*250+y].types ||
		terrainInfo[x*250+y+1].types) {
	      bottomleft = bottomleftsquare;
	    } else {
	      bottomleft = bottomleftrounded;
	    }
	    /* bottomright */
	    if (terrainInfo[(x+1)*250+y].types ||
		terrainInfo[x*250+y+1].types) {
	      bottomright = bottomrightsquare;
	    } else {
	      bottomright = bottomrightrounded;
	    }
	    lx = scaleLocal(x*conv - me->p_x);
	    ly = scaleLocal(y*conv - me->p_y);
	    frame = udcounter + y*conv + x;
	    W_DrawImageNoClip(w, lx,                ly,                 frame, 
			      topleft, W_Grey);
	    W_DrawImageNoClip(w, lx+topleft->width, ly,                 frame, 
			      topright,W_Grey);
	    W_DrawImageNoClip(w, lx,                ly+topleft->height, frame,
			      bottomleft,W_Grey);
	    W_DrawImageNoClip(w, lx+topleft->width, ly+topleft->height, frame, 
			      bottomright, W_Grey);
	    cz = new_czone();
	    cz->x = lx;
	    cz->y = ly;
	    cz->width = topleft->width + topright->width;
	    cz->height = topleft->height + bottomleft->height;
	  }
	}
      }
    } else {
      /* draw asteroids [BDyess] */
      minx = (me->p_x - view) / conv;
      miny = (me->p_y - view) / conv;
      maxx = (me->p_x + view) / conv + 1;
      maxy = (me->p_y + view) / conv + 1;
      image = getImage(I_ASTEROIDS_ALL);
      /* only check the asteroids visible [BDyess] */
      for(x = minx;x <= maxx; x++) {
	for(y = miny;y <= maxy; y++) {
	  if(terrainInfo[x*250+y].types) {
	    lx = scaleLocal(x*conv - me->p_x + 400) - image->width/2;
	    ly = scaleLocal(y*conv - me->p_y + 400) - image->height/2;
	    frame = udcounter + y*conv + x;
	    W_DrawImageNoClip(w, lx, ly, frame, image, W_Grey);
	    cz = new_czone();
	    cz->x = lx;
	    cz->y = ly;
	    cz->width = image->width;
	    cz->height = image->height;
	  }
	}
      }
    }
  }
}