172 lines
3.8 KiB
C
172 lines
3.8 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2005, 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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* nat.c: Misc. accesses on the nation file
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*
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* Known contributors to this file:
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* Dave Pare, 1989
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*/
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#include "prototypes.h"
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#include "misc.h"
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#include "nat.h"
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#include "file.h"
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#include "optlist.h"
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s_char *relates[] = {
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/* must follow nation relation defines in nat.h */
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"At War", "Sitzkrieg", "Mobilizing", "Hostile", "Neutral", "Friendly",
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"Allied"
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};
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s_char *
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cname(natid n)
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{
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struct natstr *np;
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if ((np = getnatp(n)) == 0)
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return 0;
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return np->nat_cnam;
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}
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s_char *
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relatename(struct natstr *np, natid other)
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{
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return relates[getrel(np, other)];
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}
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s_char *
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rejectname(struct natstr *np, natid other)
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{
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s_char *rejects[] = {
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/* must follow reject flags defined in nat.h */
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" YES YES YES YES",
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" NO YES YES YES",
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" YES NO YES YES",
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" NO NO YES YES",
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" YES YES NO YES",
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" NO YES NO YES",
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" YES NO NO YES",
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" NO NO NO YES",
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" YES YES YES NO ",
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" NO YES YES NO ",
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" YES NO YES NO ",
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" NO NO YES NO ",
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" YES YES NO NO ",
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" NO YES NO NO ",
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" YES NO NO NO ",
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" NO NO NO NO "
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};
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return rejects[getrejects(other, np)];
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}
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s_char *
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natstate(struct natstr *np)
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{
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if ((np->nat_stat & STAT_INUSE) == 0)
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return "FREE";
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if (np->nat_stat & STAT_GOD)
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return "DEITY";
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if ((np->nat_stat & STAT_NORM) == 0)
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return "VISITOR";
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return "ACTIVE";
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}
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/* This returns the relations that np has with them */
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int
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getrel(struct natstr *np, natid them)
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{
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return np->nat_relate[them];
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}
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int
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getrejects(natid them, struct natstr *np)
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{
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int ind;
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int shift;
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int reject;
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ind = them / 4;
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shift = 12 - ((them - ((them / 4) << 2)) * 4);
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reject = (np->nat_rejects[ind] >> shift) & 0x0f;
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return reject;
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}
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void
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agecontact(struct natstr *np)
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{
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int them;
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for (them = 1; them < MAXNOC; ++them) {
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if (them != np->nat_cnum && np->nat_contact[them]) {
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--np->nat_contact[them];
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}
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}
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}
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int
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getcontact(struct natstr *np, natid them)
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{
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return np->nat_contact[them];
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}
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void
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putrel(struct natstr *np, natid them, int relate)
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{
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np->nat_relate[them] = relate;
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}
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void
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putreject(struct natstr *np, natid them, int how, int what)
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{
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int shift;
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int newrej;
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int ind;
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what &= 0x0f;
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ind = them / 4;
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shift = 12 - ((them - ((them / 4) << 2)) * 4);
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newrej = np->nat_rejects[ind];
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if (how)
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newrej |= (what << shift);
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else
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newrej &= ~(what << shift);
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np->nat_rejects[ind] = newrej;
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}
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void
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putcontact(struct natstr *np, natid them, int contact)
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{
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if (CANT_HAPPEN(contact < 0))
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contact = 0;
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if (CANT_HAPPEN(contact > 255))
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contact = 255;
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if (np->nat_contact[them] < contact)
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np->nat_contact[them] = contact;
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}
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