code: public Pair<Point, Point> setRayTraceInfos(Vec3d src, Vec3d dest)
  	{
  		if (src == null || dest == null)
  			return null;
  		return Pair.of(new Point(src), new Point(dest));
  	}
docs: Sets the ray trace infos.<br>
  Called via ASM at the beginning of {@link World#rayTraceBlocks(Vec3d, Vec3d, boolean, boolean, boolean)}
  
  @param src the src
  @param dest the dest