write_uint16_bigendian(0, file);
struct Item * item;
for (item = world->item; item != 0; item = item->next) {
write_uint16_bigendian(item->pos.y + 1, file);
write_uint16_bigendian(0, file);
struct Item * item;
for (item = world->item; item != 0; item = item->next) {
write_uint16_bigendian(item->pos.y + 1, file);