2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2021, 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 * nat.c: Misc. accesses on the nation file
29 * Known contributors to this file:
31 * Ron Koenderink, 2005
32 * Markus Armbruster, 2006-2016
49 if (!(np = getnatp(n)))
55 natstate(struct natstr *np)
57 static char *stnam[] = {
58 /* must match nat_status */
59 "FREE", "VISITOR", "VISITOR", "SANCTUARY", "ACTIVE", "DEITY"
61 return stnam[np->nat_stat];
65 * Return relations @us has with @them.
66 * Countries are considered allied to themselves.
69 relations_with(natid us, natid them)
71 return us == them ? ALLIED : getrelatp(us)->rel_relate[them];
75 relations_string(enum relations rel)
77 static char *relates[] = {
78 /* must match enum relations */
79 "At War", "Hostile", "Neutral", "Friendly", "Allied"
86 nat_accepts(natid us, natid them, enum rej_comm what)
88 return getnatp(them)->nat_stat == STAT_GOD
89 || !(getrejectp(us)->rej_rejects[them] & bit(what));
93 agecontact(struct natstr *np)
95 struct contactstr con;
98 getcontact(np->nat_cnum, &con);
100 for (them = 1; them < MAXNOC; ++them) {
101 if (them != np->nat_cnum && con.con_contact[them])
102 con.con_contact[them]--;
107 in_contact(natid us, natid them)
109 return getcontactp(us)->con_contact[them];
113 influx(struct natstr *np)
117 getsect(np->nat_xcap, np->nat_ycap, §);
118 if (sect.sct_own != np->nat_cnum ||
119 (sect.sct_type != SCT_CAPIT && sect.sct_type != SCT_MOUNT &&
120 sect.sct_type != SCT_SANCT) ||
121 (np->nat_flags & NF_SACKED))
128 * Initialize country #@cnum in status @stat.
129 * @stat must be STAT_UNUSED, STAT_NEW, STAT_VIS or STAT_GOD.
130 * Also wipe realms and telegrams.
133 nat_reset(natid cnum, char *name, char *rep, enum nat_status stat)
136 struct relatstr relat;
137 struct realmstr newrealm;
141 ef_blank(EF_NATION, cnum, &nat);
142 ef_blank(EF_RELAT, cnum, &relat);
144 strncpy(nat.nat_cnam, name, sizeof(nat.nat_cnam) - 1);
145 strncpy(nat.nat_pnam, rep, sizeof(nat.nat_pnam) - 1);
146 if (stat == STAT_GOD)
147 nat.nat_money = 123456789;
148 for (i = 0; i < MAXNOR; i++) {
149 ef_blank(EF_REALM, i + cnum * MAXNOR, &newrealm);
152 mailbox_create(mailbox(buf, cnum));
153 /* FIXME nat.nat_ann = #annos */
154 nat.nat_level[NAT_HLEV] = start_happiness;
155 nat.nat_level[NAT_RLEV] = start_research;
156 nat.nat_level[NAT_TLEV] = start_technology;
157 nat.nat_level[NAT_ELEV] = start_education;
158 for (i = 0; i < MAXNOC; i++)
159 relat.rel_relate[i] = NEUTRAL;
161 NF_FLASH | NF_BEEP | NF_COASTWATCH | NF_SONAR | NF_TECHLISTS;