Import of Empire 4.2.12
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src/lib/commands/head.c
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258
src/lib/commands/head.c
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/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* head.c: Print headlines of the Empire News
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*
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* Known contributors to this file:
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*
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*/
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#include "misc.h"
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#include "player.h"
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#include "news.h"
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#include "nat.h"
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#include "file.h"
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#include "xy.h"
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#include "nsc.h"
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#include "commands.h"
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struct histstr {
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int h_past;
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int h_recent;
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};
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static s_char *head_meanwhile(int val);
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static s_char *head_describe(struct histstr *hp, int what);
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static int head_printscoop(struct histstr (*hist)[MAXNOC], natid ano, natid vno);
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static int head_findscoop(struct histstr (*hist)[MAXNOC], register natid maxcnum, natid *ano, natid *vno);
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int
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head(void)
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{
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register int i;
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register struct histstr *hp;
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register natid maxcnum;
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time_t now;
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int severity;
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int scoop;
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time_t news_per;
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time_t news_age;
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struct histstr hist[MAXNOC][MAXNOC];
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struct natstr *natp;
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struct nwsstr news;
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natid actor;
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natid victim;
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struct nstr_item nstr;
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int n;
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(void) time(&now);
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natp = getnatp(player->cnum);
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if (player->argp[1] != 0 && *player->argp[1] != 0) {
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news_per = days(atoi(player->argp[1]));
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if (news_per > days(3))
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news_per = days(3);
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} else
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/* replaced the following line with the one under it to
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* fix headlines which never change.
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* 3/3/90 bailey@math-cs.kent.edu
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*/
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/* news_per = natp->nat_newstim; */
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news_per = now - natp->nat_newstim;
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pr("\n -=[ EMPIRE NEWS ]=-\n");
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pr("::::::::::::::::::::::::::::::::::::::::::::::::::\n");
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pr("! \"All the news that fits, we print.\" !\n");
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pr("::::::::::::::::::::::::::::::::::::::::::::::::::\n");
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pr(" %s", ctime(&now));
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pr("\n");
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bzero((s_char *)hist, sizeof (hist));
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snxtitem_all(&nstr, EF_NEWS);
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maxcnum = 0;
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while (nxtitem(&nstr, (s_char *)&news)) {
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news_age = now - news.nws_when;
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if (news_age > news_per)
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continue;
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if (news.nws_ano == news.nws_vno)
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continue;
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if ((i = rpt[(int)news.nws_vrb].r_good_will) == 0)
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continue;
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if (news_age > (news_per / 2))
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hist[news.nws_ano][news.nws_vno].h_past += i;
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else
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hist[news.nws_ano][news.nws_vno].h_recent += i;
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if (maxcnum < news.nws_ano)
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maxcnum = news.nws_ano;
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if (maxcnum < news.nws_vno)
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maxcnum = news.nws_vno;
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}
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for (n=0; n<5; n++) {
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if ((scoop = head_findscoop(hist, maxcnum, &actor, &victim))<10)
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break;
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severity = head_printscoop(hist, actor, victim);
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hp = &hist[actor][victim];
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severity = hp->h_recent - hp->h_past;
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if (severity <= -scoop/2 || severity >= scoop/2) {
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pr("\t%s\n", head_meanwhile(severity));
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(void) head_printscoop(hist, victim, actor);
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}
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}
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if (n <= 1)
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pr("\nRelative calm prevails.\n");
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return RET_OK;
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}
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static
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int
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head_printscoop(struct histstr (*hist)[MAXNOC], natid ano, natid vno)
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{
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register struct histstr *hp;
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int severity;
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hp = &hist[ano][vno];
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severity = abs(hp->h_past) > abs(hp->h_recent) ? 1 : 0;
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severity += (hp->h_past >= 0) ? 2 : 0;
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severity += (hp->h_recent >= 0) ? 4 : 0;
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pr(head_describe(hp, severity), cname(ano), cname(vno));
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pr("\n");
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hp->h_past = 0;
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hp->h_recent = 0;
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return severity;
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}
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static
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s_char *
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head_meanwhile(int val)
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{
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switch (val & 03) {
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case 0:
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return "Meanwhile";
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case 1:
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return "On the other hand";
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case 2:
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return "At the same time";
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case 3:
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return "Although";
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}
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/*NOTREACHED*/
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return "";
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}
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static
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s_char *
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head_describe(struct histstr *hp, int what)
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{
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s_char *cp;
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cp = 0;
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switch (what) {
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case 0:
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if (hp->h_recent > hp->h_past/2)
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cp = "Bad relations between %s and %s worsen!";
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else
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cp = "Carnage wrought by %s on %s continues unabated!";
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break;
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case 1:
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if (hp->h_recent < -16)
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cp = "%s agression against %s has lessened slightly";
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else
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cp = "Peace talks may occur between %s & %s";
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break;
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case 2:
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if (hp->h_recent < -16) {
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if (hp->h_past > 0)
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cp = " ! WAR ! Reversal of prior %s -- %s relations";
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else if (hp->h_recent >= -25)
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cp = "VIOLENCE ERUPTS! -- %s wages war on %s";
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else
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cp = "%s wreaks havoc on %s!";
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} else
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cp = "Breakdown in communication between %s & %s";
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break;
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case 3:
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cp = "FLASH! %s turns on former ally, %s!";
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break;
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case 4:
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cp = "%s \"makes friends\" with %s";
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break;
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case 5:
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if (hp->h_past >= -25)
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cp = "%s seems to have forgotten earlier disagreement with %s";
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else
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cp = "Tensions ease as %s attacks on %s seem at an end";
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break;
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case 6:
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cp = "%s good deeds further growing alliance with %s";
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break;
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case 7:
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if (hp->h_recent - hp->h_past < 12)
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cp = "Honeymoon appears to be over between %s & %s";
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else
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cp = "Friendly relations between %s & %s have cooled";
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break;
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}
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return cp;
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}
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/*
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* returns 9 if no scoops were found
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* Pretty strange.
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*/
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static
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int
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head_findscoop(struct histstr (*hist)[MAXNOC], register natid maxcnum, natid *ano, natid *vno)
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{
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register struct histstr *hp;
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register int i;
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register int j;
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register int k;
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int scoop;
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natid actor;
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natid victim;
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scoop = 9;
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actor = 0;
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victim = 0;
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for (i = 1; i < maxcnum; i++) {
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for (j = 1; j < maxcnum; j++) {
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hp = &hist[i][j];
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k = abs(hp->h_recent / 2);
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if (k > scoop) {
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scoop = k;
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actor = (natid) i;
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victim = (natid) j;
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}
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k = abs(hp->h_recent - hp->h_past);
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if (k > scoop) {
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scoop = k;
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actor = (natid) i;
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victim = (natid) j;
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}
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}
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}
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*ano = actor;
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*vno = victim;
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return scoop;
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}
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