2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, 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 * nreport.c: File a news report. Downgrade relations if things get hostile.
30 * Known contributors to this file:
33 * Ron Koenderink, 2005
34 * Markus Armbruster, 2004-2008
43 #include "prototypes.h"
47 static struct nwsstr cache[MAXNOC][SLOTS];
50 static struct nwsstr *ncache(int actor, int event, int victim, int times);
53 nreport(natid actor, int event, natid victim, int times)
59 if (CANT_HAPPEN((unsigned)event > N_MAX_VERB
60 || rpt[event].r_newstory[0] == rpt[0].r_newstory[0]))
63 np = ncache(actor, event, victim, times);
64 putnews(np->nws_uid, np);
67 * this is probably pretty expensive, but hopefully we
68 * don't fire zillions of these things off every second.
70 if (victim == 0 || (nice = rpt[event].r_good_will) >= 0)
73 * Pretty schlocky to put it here, but
74 * I guess it can't go anywhere else.
78 if (!chance((double)-nice * times / 20.0))
80 if ((natp = getnatp(victim)) == 0)
82 if (getrel(natp, actor) < HOSTILE)
85 setrel(victim, actor, HOSTILE);
89 * Delete news articles that have expired.
98 /* skip over expired news */
99 expiry_time = time(NULL) - days(news_keep_days);
100 for (i = 0; getnews(i, &news); i++) {
101 if (news.nws_vrb == 0 || news.nws_when >= expiry_time)
104 /* news id 0..I-1 have expired */
105 CANT_HAPPEN(i > news_tail);
106 /* no items to delete if I is equal zero */
110 /* move unexpired news I.. to 0.., overwriting expired news */
111 for (j = 0; getnews(i + j, &news); j++) {
112 if (news.nws_vrb == 0)
114 ef_set_uid(EF_NEWS, &news, j);
117 CANT_HAPPEN(i + j != news_tail);
120 /* mark slots no longer in use */
121 for (k = 0; k < i; k++) {
122 ef_blank(EF_NEWS, j + k, &news);
123 putnews(j + k, &news);
126 /* clear cache because moving news invalidated it */
127 memset(&cache, 0, sizeof(cache));
131 * Initialize news reporting.
132 * Must run between open of file EF_NEWS and first nreport().
140 for (newest_item = 0; getnews(newest_item, &news); newest_item++) {
141 if (news.nws_vrb == 0)
144 news_tail = newest_item;
148 * Look to see if the same message has been generated
149 * in the last 5 minutes, if so just increment the times
150 * field instead of creating a new message.
152 static struct nwsstr *
153 ncache(int actor, int event, int victim, int times)
159 time_t now = time(NULL);
162 oldtime = 0x7fffffff;
163 for (i = 0; i < SLOTS; i++) {
164 np = &cache[actor][i];
165 if (np->nws_when < oldtime) {
167 oldtime = np->nws_when;
169 if (np->nws_vrb == 0)
171 if (now - np->nws_when > minutes(5))
173 if (np->nws_vrb == event && np->nws_vno == victim
174 && np->nws_ntm + times <= 127) {
175 np->nws_ntm += times;
179 if (CANT_HAPPEN(oldslot < 0))
181 if (CANT_HAPPEN(!strstr(rpt[event].r_newstory[0], "%s") && victim != 0))
183 np = &cache[actor][oldslot];
184 ef_blank(EF_NEWS, news_tail, np);
186 np->nws_vno = victim;