Free Hero Mesh

static void describe_at(int xy) {
  unsigned char*s;
  Uint32 n;
  if(xy<0 || xy>=64*64) return;
  n=playfield[xy];
  if(n==VOIDLINK) return;
  while(n!=VOIDLINK && objects[n]->up!=VOIDLINK) n=objects[n]->up;
  if(!classes[objects[n]->class]->gamehelp) return;
  while(n!=VOIDLINK && !classes[objects[n]->class]->gamehelp) n=objects[n]->down;
  if(n==VOIDLINK) return;
  if(classes[objects[n]->class]->gamehelp[0]==16 && !classes[objects[n]->class]->gamehelp[1]) {
    if(objects[n]->misc1.t!=TY_LEVELSTRING || objects[n]->misc1.u>=nlevelstrings) return;
    modal_draw_popup(levelstrings[objects[n]->misc1.u]);
    return;
  }
  s=sqlite3_mprintf("\x0C\x0E%s:%d\\ %s\x0B\x0F%s",classes[objects[n]->class]->name,objects[n]->image,classes[objects[n]->class]->name,classes[objects[n]->class]->gamehelp);
  if(!s) fatal("Allocation failed\n");