2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, 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.h: Definitions for things having to do with nations
29 * Known contributors to this file:
32 * Steve McClure, 1998-2000
33 * Ron Koenderink, 2005-2008
34 * Markus Armbruster, 2005-2008
45 #define MAXNOR 50 /* max # realms */
50 * Don't change order without checking inequality comparisons and
53 STAT_UNUSED, /* not in use */
54 STAT_NEW, /* just initialized */
55 STAT_VIS, /* visitor */
56 STAT_SANCT, /* still in sanctuary */
57 STAT_ACTIVE, /* active (sanctuary broken) */
58 STAT_GOD /* deity powers */
65 * One of (r_cnum, r_realm) and r_uid is redundant, provided MAXNOR is known.
67 * The only user of r_cnum and r_realm appears to be xdump.
68 * If we had working virtual selectors, we could remove r_cnum and r_realm.
71 /* initial part must match struct empobj */
74 unsigned r_generation: 12;
75 int r_uid; /* realm table index */
76 time_t r_timestamp; /* Last time this realm was touched */
77 natid r_cnum; /* country number */
78 /* end of part matching struct empobj */
79 unsigned short r_realm; /* realm number */
80 coord r_xl, r_xh; /* horizontal bounds */
81 coord r_yl, r_yh; /* vertical bounds */
85 /* initial part must match struct empobj */
87 unsigned nat_seqno: 12;
88 unsigned nat_generation: 12;
89 int nat_uid; /* equals nat_cnum */
91 natid nat_cnum; /* our country number */
92 /* end of part matching struct empobj */
93 enum nat_status nat_stat;
94 char nat_cnam[20]; /* country name */
95 char nat_pnam[20]; /* representative */
96 char nat_hostaddr[32]; /* host addr of last user */
97 char nat_hostname[512]; /* hostname of last user, may be empty */
98 char nat_userid[32]; /* userid of last user, may be empty */
99 coord nat_xcap, nat_ycap; /* cap location in abs coords */
100 coord nat_xorg, nat_yorg; /* origin location in abs coords */
101 signed char nat_update; /* Want an update or not. */
102 unsigned short nat_tgms; /* # of telegrams to be announced */
103 unsigned short nat_ann; /* # of annos pending */
104 int nat_timeused; /* number of seconds used today */
105 short nat_btu; /* bureaucratic time units */
106 short nat_access; /* The tick when BTUs were last updated */
107 long nat_reserve; /* military reserves */
108 long nat_money; /* moola */
109 time_t nat_last_login; /* time of last login, 0 menas never */
110 time_t nat_last_logout; /* time of last logout, 0 means never */
111 time_t nat_newstim; /* date news last read */
112 time_t nat_annotim; /* date annos last read */
113 float nat_level[4]; /* technology, etc */
114 unsigned char nat_relate[MAXNOC];
115 unsigned char nat_contact[MAXNOC];
116 unsigned char nat_rejects[MAXNOC];
117 long nat_flags; /* nation flags */
120 /* nation relation codes */
127 /* nation reject codes */
128 #define REJ_TELE bit(0) /* dont allow telegrams to be sent */
129 #define REJ_TREA bit(1) /* dont allow treaties to be offered */
130 #define REJ_ANNO bit(2) /* don't receive announcements */
131 #define REJ_LOAN bit(3) /* don't allow loans to be offered */
139 * Number of updates contact lasts for various ways of making contact.
140 * These are only useful with option LOSE_CONTACT option, which
141 * implies option HIDDEN.
143 /* Planes spotting and being spotted */
147 /* Spies and ground combat */
151 /* Coastwatch and skywatch */
152 #define FOUND_COAST 3
154 extern char *relates[];
156 /* procedures relating to nation stuff */
158 #define putnat(p) ef_write(EF_NATION, (p)->nat_cnum, (p))
159 #define getnatp(n) ((struct natstr *)ef_ptr(EF_NATION, (n)))
161 #define getrealm(r, n, p) ef_read(EF_REALM, ((r) + ((n) * MAXNOR)), (p))
162 #define putrealm(p) ef_write(EF_REALM, (p)->r_uid, (p))
164 extern double tfact(natid cn, double mult);
165 extern double techfact(int level, double mult);
167 extern char *cname(natid n);
168 extern char *relatename(struct natstr *np, natid other);
169 extern char *rejectname(struct natstr *np, natid other);
170 extern char *natstate(struct natstr *np);
171 extern int getrel(struct natstr *np, natid them);
172 extern int relations_with(natid, natid);
173 extern int getrejects(natid them, struct natstr *np);
174 extern int getcontact(struct natstr *np, natid them);
175 extern void putrel(struct natstr *np, natid them, int relate);
176 extern void putreject(struct natstr *np, natid them, int how, int what);
177 extern void putcontact(struct natstr *np, natid them, int contact);
178 extern void agecontact(struct natstr *np);
179 extern int influx(struct natstr *np);
181 extern struct natstr *nat_reset(struct natstr *, enum nat_status,
183 extern int check_nat_name(char *cname);
185 extern int grant_btus(struct natstr *, int);
188 #define NF_INFORM bit(0) /* Inform me of telegrams right away */
189 #define NF_FLASH bit(1) /* Allow other players to flash me (sicko :) */
190 #define NF_BEEP bit(2) /* Make beeping sounds when appropriate */
191 #define NF_COASTWATCH bit(3) /* Turn auto-coastwatch on */
192 #define NF_SONAR bit(4) /* Turn auto-sonar on */
193 #define NF_TECHLISTS bit(5) /* Sort lists by tech not type */
194 #define NF_SACKED bit(6) /* Capital was sacked, and hasn't been reset yet */