2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2020, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * best.c: Show the best path between two sectors
29 * Known contributors to this file:
30 * Markus Armbruster, 2011
43 struct nstr_sect nstr, nstr2;
47 if (!snxtsct(&nstr, player->argp[1]))
50 if (!snxtsct(&nstr2, player->argp[2]))
53 while (!player->aborted && nxtsct(&nstr, &s1)) {
56 snxtsct_rewind(&nstr2);
57 while (!player->aborted && nxtsct(&nstr2, &s2)) {
60 cost = path_find(s1.sct_x, s1.sct_y, s2.sct_x, s2.sct_y,
61 player->cnum, MOB_MOVE);
63 pr("No owned path from %s to %s exists!\n",
64 xyas(s1.sct_x, s1.sct_y, player->cnum),
65 xyas(s2.sct_x, s2.sct_y, player->cnum));
67 len = path_find_route(buf, sizeof(buf),
70 pr("Best path from %s to %s is %s%s (cost %1.3f)\n",
71 xyas(s1.sct_x, s1.sct_y, player->cnum),
72 xyas(s2.sct_x, s2.sct_y, player->cnum),
73 buf, len < sizeof(buf) ? "h" : "...",