2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2016, 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 */
114 unsigned char nat_relate[MAXNOC]; /* enum relations */
122 /* Diplomatic relations */
125 * Don't change order without checking inequality comparisons and
126 * array initializers!
136 * Number of updates contact lasts for various ways of making contact.
137 * These are only useful with option LOSE_CONTACT, which implies
140 /* Planes spotting and being spotted */
144 /* Spies and ground combat */
148 /* Coastwatch and skywatch */
149 #define FOUND_COAST 3
152 /* initial part must match struct empobj */
154 unsigned con_seqno: 12;
155 unsigned con_generation: 12;
157 time_t con_timestamp;
158 /* end of part matching struct empobj */
159 unsigned char con_contact[MAXNOC];
162 /* Kinds of communication players can reject */
164 REJ_TELE, /* dont allow telegrams to be sent */
165 REJ_ANNO, /* don't receive announcements */
166 REJ_LOAN /* don't allow loans to be offered */
170 /* initial part must match struct empobj */
172 unsigned rej_seqno: 12;
173 unsigned rej_generation: 12;
175 time_t rej_timestamp;
176 /* end of part matching struct empobj */
177 unsigned char rej_rejects[MAXNOC];
180 /* procedures relating to nation stuff */
182 #define putnat(p) ef_write(EF_NATION, (p)->nat_cnum, (p))
183 #define getnatp(n) ((struct natstr *)ef_ptr(EF_NATION, (n)))
185 #define getcontact(n, p) ef_read(EF_CONTACT, (n), (p))
186 #define putcontact(p) ef_write(EF_CONTACT, (p)->con_uid, (p))
187 #define getcontactp(n) ((struct contactstr *)ef_ptr(EF_CONTACT, (n)))
189 #define getreject(n, p) ef_read(EF_REJECT, (n), (p))
190 #define putreject(p) ef_write(EF_REJECT, (p)->rej_uid, (p))
191 #define getrejectp(n) ((struct rejectstr *)ef_ptr(EF_REJECT, (n)))
193 #define getrealm(r, n, p) ef_read(EF_REALM, ((r) + ((n) * MAXNOR)), (p))
194 #define putrealm(p) ef_write(EF_REALM, (p)->r_uid, (p))
196 /* src/lib/common/tfact.c */
197 extern double tfact(natid cn, double mult);
198 extern double techfact(int level, double mult);
200 /* src/lib/common/nat.c */
201 extern char *cname(natid n);
202 extern char *natstate(struct natstr *np);
203 extern enum relations relations_with(natid, natid);
204 extern char *relations_string(enum relations);
205 extern int nat_accepts(natid, natid, enum rej_comm);
206 extern int in_contact(natid, natid);
207 extern void agecontact(struct natstr *np);
208 extern int influx(struct natstr *np);
209 extern void nat_reset(natid, char *, char *, enum nat_status);
211 /* src/lib/subs/natsub.c */
212 extern int check_nat_name(char *, natid);
213 extern char *prnat(struct natstr *);
214 extern char *prnatid(natid);
216 /* src/lib/common/btu.c */
217 extern int grant_btus(struct natstr *, int);
219 /* src/lib/subs/rej.c */
220 extern void setrel(natid, natid, enum relations);
221 extern void setcont(natid, natid, int);
222 extern void setrej(natid, natid, int, enum rej_comm);
225 #define NF_INFORM bit(0) /* Inform me of telegrams right away */
226 #define NF_FLASH bit(1) /* Allow other players to flash me (sicko :) */
227 #define NF_BEEP bit(2) /* Make beeping sounds when appropriate */
228 #define NF_COASTWATCH bit(3) /* Turn auto-coastwatch on */
229 #define NF_SONAR bit(4) /* Turn auto-sonar on */
230 #define NF_TECHLISTS bit(5) /* Sort lists by tech not type */
231 #define NF_SACKED bit(6) /* Capital was sacked, and hasn't been reset yet */