2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2018, 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 * lostsub.c: Subroutines for lost items
29 * Known contributors to this file:
31 * Markus Armbruster, 2008-2016
40 static int findlost(int, natid, int, coord, coord, int);
43 * Record item @id of @type changed owner from @exown to @own at @x,@y.
46 lost_and_found(int type, natid exown, natid own, int id, coord x, coord y)
51 makelost(type, exown, id, x, y);
53 makenotlost(type, own, id, x, y);
57 makelost(int type, natid owner, int id, coord x, coord y)
62 if (CANT_HAPPEN(!owner))
64 n = findlost(type, owner, id, x, y, 1);
65 ef_blank(EF_LOST, n, &lost);
66 lost.lost_type = type;
67 lost.lost_owner = owner;
75 makenotlost(int type, natid owner, int id, coord x, coord y)
80 if (CANT_HAPPEN(!owner))
82 n = findlost(type, owner, id, x, y, 0);
92 * Find a suitable slot in the lost file.
93 * If a record for @type, @owner, @id, @x, @y exists, return its index.
94 * Else if @free is non-zero, return the index of an unused record.
98 findlost(int type, natid owner, int id, coord x, coord y, int free)
104 for (n = 0; getlost(n, &lost); n++) {
105 if (!lost.lost_owner && freeslot < 0)
107 if (!lost.lost_owner)
109 if (lost.lost_owner == owner && type == lost.lost_type) {
110 if (type == EF_SECTOR && lost.lost_x == x && lost.lost_y == y)
112 if (type != EF_SECTOR && lost.lost_id == id)
127 delete_old_lostitems(void)
129 time_t expiry_time = time(NULL) - hours(lost_keep_hours);
133 for (i = 0; getlost(i, &lost); i++) {
134 if (!lost.lost_owner)
136 if (lost.lost_timestamp >= expiry_time)