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", "Hostile", "Neutral", "Friendly", "Allied"
53 if (!(np = getnatp(n)))
59 relatename(struct natstr *np, natid other)
61 return relates[getrel(np, other)];
65 rejectname(struct natstr *np, natid other)
67 static char *rejects[] = {
68 /* must follow reject flags defined in nat.h */
87 return rejects[getrejects(other, np)];
91 natstate(struct natstr *np)
93 static char *stnam[] = {
94 /* must match nat_status */
95 "FREE", "VISITOR", "VISITOR", "SANCTUARY", "ACTIVE", "DEITY"
97 return stnam[np->nat_stat];
100 /* This returns the relations that np has with them */
102 getrel(struct natstr *np, natid them)
104 return np->nat_relate[them];
108 getrejects(natid them, struct natstr *np)
110 return np->nat_rejects[them];
114 agecontact(struct natstr *np)
118 for (them = 1; them < MAXNOC; ++them) {
119 if (them != np->nat_cnum && np->nat_contact[them]) {
120 --np->nat_contact[them];
126 getcontact(struct natstr *np, natid them)
128 return np->nat_contact[them];
132 putrel(struct natstr *np, natid them, int relate)
134 np->nat_relate[them] = relate;
138 putreject(struct natstr *np, natid them, int how, int what)
141 np->nat_rejects[them] |= what;
143 np->nat_rejects[them] &= ~what;
147 putcontact(struct natstr *np, natid them, int contact)
149 if (CANT_HAPPEN(contact < 0))
151 if (CANT_HAPPEN(contact > 255))
154 if (np->nat_contact[them] < contact)
155 np->nat_contact[them] = contact;
159 influx(struct natstr *np)
163 getsect(np->nat_xcap, np->nat_ycap, §);
164 if (sect.sct_own != np->nat_cnum ||
165 (sect.sct_type != SCT_CAPIT && sect.sct_type != SCT_MOUNT &&
166 sect.sct_type != SCT_SANCT) ||
167 (np->nat_flags & NF_SACKED))