2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program 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 2 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * nat.c: Misc. accesses on the nation file
30 * Known contributors to this file:
32 * Ron Koenderink, 2005
33 * Markus Armbruster, 2006-2009
44 /* must follow nation relation defines in nat.h */
45 "At War", "Sitzkrieg", "Mobilizing", "Hostile", "Neutral", "Friendly",
54 if (!(np = getnatp(n)))
60 relatename(struct natstr *np, natid other)
62 return relates[getrel(np, other)];
66 rejectname(struct natstr *np, natid other)
68 static char *rejects[] = {
69 /* must follow reject flags defined in nat.h */
88 return rejects[getrejects(other, np)];
92 natstate(struct natstr *np)
94 static char *stnam[] = {
95 /* must match nat_status */
96 "FREE", "VISITOR", "VISITOR", "SANCTUARY", "ACTIVE", "DEITY"
98 return stnam[np->nat_stat];
101 /* This returns the relations that np has with them */
103 getrel(struct natstr *np, natid them)
105 return np->nat_relate[them];
109 getrejects(natid them, struct natstr *np)
111 return np->nat_rejects[them];
115 agecontact(struct natstr *np)
119 for (them = 1; them < MAXNOC; ++them) {
120 if (them != np->nat_cnum && np->nat_contact[them]) {
121 --np->nat_contact[them];
127 getcontact(struct natstr *np, natid them)
129 return np->nat_contact[them];
133 putrel(struct natstr *np, natid them, int relate)
135 np->nat_relate[them] = relate;
139 putreject(struct natstr *np, natid them, int how, int what)
142 np->nat_rejects[them] |= what;
144 np->nat_rejects[them] &= ~what;
148 putcontact(struct natstr *np, natid them, int contact)
150 if (CANT_HAPPEN(contact < 0))
152 if (CANT_HAPPEN(contact > 255))
155 if (np->nat_contact[them] < contact)
156 np->nat_contact[them] = contact;
160 influx(struct natstr *np)
164 getsect(np->nat_xcap, np->nat_ycap, §);
165 if (sect.sct_own != np->nat_cnum ||
166 (sect.sct_type != SCT_CAPIT && sect.sct_type != SCT_MOUNT &&
167 sect.sct_type != SCT_SANCT) ||
168 (np->nat_flags & NF_SACKED))