Import of Empire 4.2.12
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d8b7fdfae1
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361
src/lib/commands/spy.c
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361
src/lib/commands/spy.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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* spy.c: Spy on your neighbors
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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* Steve McClure, 1998-2000
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*/
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#include "misc.h"
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#include "player.h"
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#include "var.h"
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#include "sect.h"
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#include "item.h"
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#include "nat.h"
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#include "xy.h"
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#include "nsc.h"
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#include "nuke.h"
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#include "news.h"
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#include "deity.h"
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#include "path.h"
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#include "file.h"
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#include "land.h"
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#include "commands.h"
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#include "optlist.h"
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/*
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* format: spy <SECTS>
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*
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*/
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static void spyline(struct sctstr *sp);
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static void insert(coord *table, int *len, coord x, coord y);
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static int check(coord *table, int *len, coord x, coord y);
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int
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spy(void)
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{
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int caught;
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natid own;
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int relat;
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coord x, y;
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coord nx, ny;
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int military;
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int savemil;
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int btucost;
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int i;
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coord *table; /* sectors already seen */
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int t_len = 0;
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int vec[I_MAX+1];
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int dvec[I_MAX+1];
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int nrecon;
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int nunits;
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struct nstr_sect nstr;
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struct nstr_item ni;
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struct natstr *natp;
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struct sctstr from;
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struct sctstr dsect;
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struct lndstr land;
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int changed = 0;
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int nsects;
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/*
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* first arg should be the range of sectors
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*/
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if (!snxtsct(&nstr, player->argp[1]))
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return RET_SYN;
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nsects = (nstr.range.width+1) * nstr.range.height / 2;
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btucost = (nsects / 40) + 1;
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natp = getnatp(player->cnum);
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if (natp->nat_btu < btucost) {
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pr("You don't have the BTU's for spying on that scale!\n");
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return RET_FAIL;
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}
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/*
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* set up all the goodies we need later
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* 6 = neighbors, 2 = x,y
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*/
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table = (coord *) malloc((nsects + 1) * 6 * 2 * sizeof(coord));
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bzero((s_char *)table, (nsects + 1) * 6 * 2 * sizeof(coord));
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pr("SPY report\n");
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prdate();
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pr(" old sct rd rl def\n");
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pr(" sect de own own eff eff eff eff civ mil shl gun pet food bars lnd pln\n");
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while (nxtsct(&nstr, &from)) {
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if (!player->owner && !player->god)
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continue;
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getvec(VT_ITEM, vec, (s_char *) &from, EF_SECTOR);
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nrecon=0;
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nunits=0;
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snxtitem_xy(&ni, EF_LAND, from.sct_x, from.sct_y);
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while (nxtitem(&ni, (s_char *)&land)){
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nunits++;
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if (lchr[(int)land.lnd_type].l_flags & L_RECON)
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nrecon++;
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}
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if ((military = vec[I_MILIT]) == 0 && (nunits == 0))
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continue;
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x = from.sct_x;
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y = from.sct_y;
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/* Print out the units/planes in this sector */
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prunits(x, y);
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prplanes(x, y);
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savemil = military;
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/*
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* check the neighboring sectors.
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*/
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for (i = 1; i <= 6; i++) {
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if ((military == 0) && (nunits == 0))
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break;
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nx = x + diroff[i][0];
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ny = y + diroff[i][1];
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/*
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* if we've already seen the
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* sector, don't bother checking it
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* out.
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*/
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if (check(table, &t_len, nx, ny)) {
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continue;
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}
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getsect(nx, ny, &dsect);
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getvec(VT_ITEM, dvec, (s_char *) &dsect, EF_SECTOR);
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if (player->owner || (dsect.sct_type == SCT_WATER) ||
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(!dvec[I_MILIT] && !dvec[I_CIVIL] &&
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(num_units(nx, ny) == 0))) {
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/* mark sector as seen */
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insert(table, &t_len, nx, ny);
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continue;
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}
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/* catch spy N/200 chance, N = # military */
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caught = chance((double) dvec[I_MILIT] / 200.0);
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own = dsect.sct_own;
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/* determine spyee relations with spyer */
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relat = getrel(getnatp(own), player->cnum);
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if (relat == NEUTRAL && caught) {
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/* neutral spy-ee */
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pr("Spy deported from %s\n",
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xyas(nx, ny, player->cnum));
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if(own != 0)
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wu(0, own, "%s (#%d) spy deported from %s\n",
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cname(player->cnum), player->cnum,
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xyas(nx, ny, own));
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} else if (relat < NEUTRAL && caught) {
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/* at-war with spy-ee */
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pr("BANG!! A spy was shot in %s\n",
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xyas(nx, ny, player->cnum));
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military--;
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if(own != 0)
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wu(0, own, "%s (#%d) spy caught in %s\n",
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cname(player->cnum), player->cnum,
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xyas(nx, ny, own));
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nreport(player->cnum, N_SPY_SHOT, own, 1);
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} else {
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insert(table, &t_len, nx, ny);
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spyline(&dsect);
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changed += map_set(player->cnum, dsect.sct_x,
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dsect.sct_y,
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dchr[dsect.sct_type].d_mnem, 0);
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prunits(dsect.sct_x,dsect.sct_y);
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prplanes(dsect.sct_x,dsect.sct_y);
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if (opt_HIDDEN) {
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setcont(player->cnum, own, FOUND_SPY);
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}
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}
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/*
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* If you have a recon unit, it'll
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* see the sector anyway...
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*/
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if (nrecon && caught){
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insert(table, &t_len, nx, ny);
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spyline(&dsect);
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changed += map_set(player->cnum, dsect.sct_x,
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dsect.sct_y,
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dchr[dsect.sct_type].d_mnem, 0);
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prunits(dsect.sct_x, dsect.sct_y);
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prplanes(dsect.sct_x,dsect.sct_y);
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}
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}
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/* subtract any military if necessary */
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if ((savemil != military) && (savemil > 0)){
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if ((military < 0) || (military > savemil))
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military = 0;
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vec[I_MILIT] = military;
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putvec (VT_ITEM, vec, (s_char *) &from, EF_SECTOR);
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putsect(&from);
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}
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}
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if (changed)
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writemap(player->cnum);
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player->btused += btucost;
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free((s_char *)table);
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return RET_OK;
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}
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/*
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* just a big printf.
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*/
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static void
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spyline(struct sctstr *sp)
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{
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int vec[I_MAX+1];
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getvec(VT_ITEM, vec, (s_char *) sp, EF_SECTOR);
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prxy("%4d,%-4d",sp->sct_x, sp->sct_y, player->cnum);
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pr(" %c%c %3d %3d %3d %3d %3d %3d %4d %4d %4d %3d %4d %4d %4d %3d %3d\n",
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dchr[sp->sct_type].d_mnem,
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(sp->sct_newtype == sp->sct_type)?' ':dchr[sp->sct_newtype].d_mnem,
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sp->sct_own,
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sp->sct_oldown,
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roundintby((int)sp->sct_effic, 10),
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roundintby((int)sp->sct_road, 10),
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roundintby((int)sp->sct_rail, 10),
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roundintby((int)sp->sct_defense, 10),
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roundintby(vec[I_CIVIL], 10), roundintby(vec[I_MILIT], 10),
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roundintby(vec[I_SHELL], 10), roundintby(vec[I_GUN], 10),
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roundintby(vec[I_PETROL], 10), roundintby(vec[I_FOOD], 10),
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roundintby(vec[I_BAR], 10), count_sect_units(sp), count_sect_planes(sp));
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}
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/*
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* insert a key into the table.
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*/
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static void
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insert(coord *table, int *len, coord x, coord y)
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{
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if (!check(table, len, x, y)) {
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table[(*len)++] = x;
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table[(*len)++] = y;
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}
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}
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/*
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* see if a key is in the bitmask table
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*/
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static int
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check(coord *table, int *len, coord x, coord y)
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{
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int i;
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for (i = 0; i < *len; i += 2)
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if (table[i] == x && table[i + 1] == y)
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return 1;
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return 0;
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}
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int
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num_units(int x, int y)
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{
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struct lndstr land;
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struct nstr_item ni;
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int n=0;
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snxtitem_xy(&ni, EF_LAND, x, y);
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while (nxtitem(&ni, (s_char *)&land)) {
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if ((land.lnd_own == player->cnum) || (land.lnd_own == 0))
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continue;
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if (land.lnd_ship >= 0 || land.lnd_land >= 0)
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continue;
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n++;
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}
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return n;
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}
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void
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prunits(int x, int y)
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{
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struct lndstr land;
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struct nstr_item ni;
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s_char report[128];
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double odds;
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snxtitem_xy(&ni, EF_LAND, x, y);
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while (nxtitem(&ni, (s_char *)&land)) {
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if (land.lnd_own == player->cnum || land.lnd_own == 0)
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continue;
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if (land.lnd_ship >= 0 || land.lnd_land >= 0)
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continue;
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/* Don't always see spies */
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if (lchr[(int)land.lnd_type].l_flags & L_SPY) {
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odds = (double)(100 - land.lnd_effic) + 0.10;
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if (!(chance(odds)))
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continue;
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}
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if ((land.lnd_own != player->cnum) && land.lnd_own) {
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int rel;
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s_char *format;
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rel = getrel(getnatp(player->cnum),land.lnd_own);
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if (rel == ALLIED)
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format = "Allied (%s) unit in %s: ";
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else if (rel == FRIENDLY || rel == NEUTRAL)
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format = "Neutral (%s) unit in %s: ";
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else
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format = "Enemy (%s) unit in %s: ";
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sprintf(report, format, cname(land.lnd_own),
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xyas(land.lnd_x, land.lnd_y,player->cnum));
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intelligence_report(player->cnum, &land, 3, report);
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}
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}
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}
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void
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prplanes(int x, int y)
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{
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struct plnstr plane;
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struct nstr_item ni;
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s_char report[128];
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snxtitem_xy(&ni, EF_PLANE, x, y);
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while (nxtitem(&ni, (s_char *)&plane)) {
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if (plane.pln_own == player->cnum || plane.pln_own == 0)
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continue;
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if (plane.pln_ship >= 0 || plane.pln_land >= 0)
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continue;
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if (plane.pln_flags & PLN_LAUNCHED)
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continue;
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if ((plane.pln_own != player->cnum) && plane.pln_own) {
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int rel;
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s_char *format;
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rel = getrel(getnatp(player->cnum),plane.pln_own);
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if (rel == ALLIED)
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format = "Allied (%s) plane in %s: %s\n";
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else if (rel == FRIENDLY || rel == NEUTRAL)
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format = "Neutral (%s) plane in %s: %s\n";
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else
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format = "Enemy (%s) plane in %s: %s\n";
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sprintf(report, format, cname(plane.pln_own),
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xyas(plane.pln_x, plane.pln_y,player->cnum),
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prplane(&plane));
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pr(report);
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}
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}
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}
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