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.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, 2005-2016
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 int nat_flags; /* nation flags */
95 char nat_cnam[20]; /* country name */
96 char nat_pnam[20]; /* representative */
97 char nat_hostaddr[46]; /* host addr of last user */
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 int nat_reserve; /* military reserves */
108 int 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 */
121 /* Diplomatic relations */
124 * Don't change order without checking inequality comparisons and
125 * array initializers!
135 /* initial part must match struct empobj */
137 unsigned rel_seqno: 12;
138 unsigned rel_generation: 12;
140 time_t rel_timestamp;
141 /* end of part matching struct empobj */
142 unsigned char rel_relate[MAXNOC]; /* enum relations */
146 * Number of updates contact lasts for various ways of making contact.
147 * These are only useful with option LOSE_CONTACT, which implies
150 /* Planes spotting and being spotted */
154 /* Spies and ground combat */
158 /* Coastwatch and skywatch */
159 #define FOUND_COAST 3
162 /* initial part must match struct empobj */
164 unsigned con_seqno: 12;
165 unsigned con_generation: 12;
167 time_t con_timestamp;
168 /* end of part matching struct empobj */
169 unsigned char con_contact[MAXNOC];
172 /* Kinds of communication players can reject */
174 REJ_TELE, /* dont allow telegrams to be sent */
175 REJ_ANNO, /* don't receive announcements */
176 REJ_LOAN /* don't allow loans to be offered */
180 /* initial part must match struct empobj */
182 unsigned rej_seqno: 12;
183 unsigned rej_generation: 12;
185 time_t rej_timestamp;
186 /* end of part matching struct empobj */
187 unsigned char rej_rejects[MAXNOC];
190 /* procedures relating to nation stuff */
192 #define putnat(p) ef_write(EF_NATION, (p)->nat_cnum, (p))
193 #define getnatp(n) ((struct natstr *)ef_ptr(EF_NATION, (n)))
195 #define getrelat(n, p) ef_read(EF_RELAT, (n), (p))
196 #define putrelat(p) ef_write(EF_RELAT, (p)->rel_uid, (p))
197 #define getrelatp(n) ((struct relatstr *)ef_ptr(EF_RELAT, (n)))
199 #define getcontact(n, p) ef_read(EF_CONTACT, (n), (p))
200 #define putcontact(p) ef_write(EF_CONTACT, (p)->con_uid, (p))
201 #define getcontactp(n) ((struct contactstr *)ef_ptr(EF_CONTACT, (n)))
203 #define getreject(n, p) ef_read(EF_REJECT, (n), (p))
204 #define putreject(p) ef_write(EF_REJECT, (p)->rej_uid, (p))
205 #define getrejectp(n) ((struct rejectstr *)ef_ptr(EF_REJECT, (n)))
207 #define getrealm(r, n, p) ef_read(EF_REALM, ((r) + ((n) * MAXNOR)), (p))
208 #define putrealm(p) ef_write(EF_REALM, (p)->r_uid, (p))
210 /* src/lib/common/tfact.c */
211 extern double tfact(natid cn, double mult);
212 extern double techfact(int level, double mult);
214 /* src/lib/common/nat.c */
215 extern char *cname(natid n);
216 extern char *natstate(struct natstr *np);
217 extern enum relations relations_with(natid, natid);
218 extern char *relations_string(enum relations);
219 extern int nat_accepts(natid, natid, enum rej_comm);
220 extern int in_contact(natid, natid);
221 extern void agecontact(struct natstr *np);
222 extern int influx(struct natstr *np);
223 extern void nat_reset(natid, char *, char *, enum nat_status);
225 /* src/lib/subs/natsub.c */
226 extern int check_nat_name(char *, natid);
227 extern char *prnat(struct natstr *);
228 extern char *prnatid(natid);
230 /* src/lib/common/btu.c */
231 extern int grant_btus(struct natstr *, int);
233 /* src/lib/subs/rej.c */
234 extern void setrel(natid, natid, enum relations);
235 extern void setcont(natid, natid, int);
236 extern void setrej(natid, natid, int, enum rej_comm);
239 #define NF_INFORM bit(0) /* Inform me of telegrams right away */
240 #define NF_FLASH bit(1) /* Allow other players to flash me (sicko :) */
241 #define NF_BEEP bit(2) /* Make beeping sounds when appropriate */
242 #define NF_COASTWATCH bit(3) /* Turn auto-coastwatch on */
243 #define NF_SONAR bit(4) /* Turn auto-sonar on */
244 #define NF_TECHLISTS bit(5) /* Sort lists by tech not type */
245 #define NF_SACKED bit(6) /* Capital was sacked, and hasn't been reset yet */