The Dink Network

You can use sp_dir() to find out which way Dink is facing. For example if you want the rock to be moved from left to right only:

void push (void)
{
  int &dir = sp_dir(1, -1);
  if (&dir == 6)
  {
    //move rock change hardness etc
  }
  else
    say("I can't move it...", 1);
}