void gen_board(std::ostream& os, const sliding_puzzle& sp,
const sliding_puzzle::position& pos, const sliding_puzzle::move* pshow_move = NULL) {
const int npieces = sp._pieces.size();
for (int i = 0; i < npieces; i++) {
if (pshow_move && pshow_move->piece_id == i) continue;
os << "\n ";
const sliding_puzzle::piece& piece = sp._pieces[i];
gen_piece(os, piece, pos.offsets[i], i, pshow_move ? "piece" : "piece_selected");
}
if (pshow_move) {
// the ghost move piece
int8_t piece_id = pshow_move->piece_id;
offset offs = pos.offsets[piece_id];
offs.dx += pshow_move->dx;
offs.dy += pshow_move->dy;
gen_piece(os, sp._pieces[piece_id], offs, piece_id, "piece_selected");
gen_piece(os, sp._pieces[piece_id], pos.offsets[piece_id], piece_id, "piece_ghost");
}
}
static void create_piece(t_list **head, char *buf, char letter)
{
t_list *node;
t_tetri t;
gen_piece(&t);
get_piece_metrics(buf, &t);
t.letter = letter;
t.height = t.ymax - t.ymin + 1;
t.width = t.xmax - t.xmin + 1;
buf_to_struct(buf, &t);
if (!(node = ft_lstnew(&t, sizeof(t_tetri))))
return ;
ft_lstadd(head, node);
}
