295 lines
6.7 KiB
C
295 lines
6.7 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2006, 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 files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* list.c: List ships, planes, units at a given x,y
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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*/
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#include <config.h>
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#include "misc.h"
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#include "player.h"
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#include "ship.h"
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#include "land.h"
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#include "plane.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 "file.h"
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#include "prototypes.h"
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int
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shipsatxy(coord x, coord y, int wantflags, int nowantflags)
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{
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int first;
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int ships;
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struct nstr_item ni;
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struct mchrstr *mp;
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struct shpstr ship;
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first = 1;
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ships = 0;
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snxtitem_xy(&ni, EF_SHIP, x, y);
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while (nxtitem(&ni, &ship)) {
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if (player->owner)
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continue;
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if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
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continue;
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mp = &mchr[(int)ship.shp_type];
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if (wantflags) {
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if ((mp->m_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (mp->m_flags & nowantflags)
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continue;
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}
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if (first) {
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pr(" # owner eff type\n");
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first = 0;
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}
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pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
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cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
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ships++;
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}
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return ships;
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}
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/* This one only shows owned or allied ships */
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int
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carriersatxy(coord x, coord y, int wantflags, int nowantflags, natid own)
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{
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int first;
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int ships;
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struct nstr_item ni;
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struct mchrstr *mp;
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struct shpstr ship;
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first = 1;
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ships = 0;
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snxtitem_xy(&ni, EF_SHIP, x, y);
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while (nxtitem(&ni, &ship)) {
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if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
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continue;
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if (ship.shp_own != own
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&& getrel(getnatp(ship.shp_own), own) != ALLIED)
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continue;
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if (ship.shp_effic < SHP_AIROPS_EFF)
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continue;
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mp = &mchr[(int)ship.shp_type];
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if (wantflags) {
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if ((mp->m_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (mp->m_flags & nowantflags)
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continue;
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}
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if (first) {
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pr(" # owner eff type\n");
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first = 0;
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}
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pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
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cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
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ships++;
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}
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return ships;
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}
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int
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unitsatxy(coord x, coord y, int wantflags, int nowantflags)
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{
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int first;
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int units;
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struct nstr_item ni;
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struct lchrstr *lp;
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struct lndstr land;
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first = 1;
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units = 0;
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snxtitem_xy(&ni, EF_LAND, x, y);
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while (nxtitem(&ni, &land)) {
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if (land.lnd_effic < LAND_MINEFF || land.lnd_own == 0)
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continue;
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/* Can't bomb units on ships or other units */
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if (land.lnd_ship >= 0 || land.lnd_land >= 0)
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continue;
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lp = &lchr[(int)land.lnd_type];
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if (wantflags) {
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if ((lp->l_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (lp->l_flags & nowantflags)
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continue;
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}
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if (lp->l_flags & L_SPY) {
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if (!(chance(LND_SPY_DETECT_CHANCE(land.lnd_effic))))
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continue;
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}
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if (first) {
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pr(" # owner eff type\n");
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first = 0;
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}
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pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
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cname(land.lnd_own), effadv(land.lnd_effic), prland(&land));
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units++;
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}
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return units;
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}
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int
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planesatxy(coord x, coord y, int wantflags, int nowantflags,
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struct emp_qelem *list)
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{
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int first;
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int planes;
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struct plnstr plane;
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struct nstr_item ni;
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struct plchrstr *plp;
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planes = 0;
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first = 1;
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snxtitem_xy(&ni, EF_PLANE, x, y);
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while (nxtitem(&ni, &plane)) {
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if (plane.pln_effic < PLANE_MINEFF || plane.pln_own == 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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/* Is this plane one of the ones flying somewhere? */
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if (ac_isflying(&plane, list))
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continue;
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plp = &plchr[(int)plane.pln_type];
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if (first) {
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pr(" # owner eff type\n");
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first = 0;
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}
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if (wantflags) {
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if ((plp->pl_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (plp->pl_flags & nowantflags)
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continue;
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}
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pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
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cname(plane.pln_own), effadv(plane.pln_effic), prplane(&plane));
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planes++;
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}
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return planes;
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}
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int
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asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
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struct plnstr *pp, struct shiplist **head)
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{
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int first;
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int ships;
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struct nstr_item ni;
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struct mchrstr *mp;
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struct shpstr ship;
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first = 1;
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ships = 0;
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snxtitem_xy(&ni, EF_SHIP, x, y);
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while (nxtitem(&ni, &ship)) {
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if (player->owner)
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continue;
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if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
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continue;
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mp = &mchr[(int)ship.shp_type];
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if (wantflags) {
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if ((mp->m_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (mp->m_flags & nowantflags)
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continue;
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}
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if (mp->m_flags & M_SUB) {
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if (roll(100) > pln_hitchance(pp,
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shp_hardtarget(&ship), EF_SHIP))
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continue;
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}
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add_shiplist(ship.shp_uid, head);
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if (first) {
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pr(" # owner eff type\n");
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first = 0;
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}
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pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
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cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
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ships++;
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}
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return ships;
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}
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int
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num_shipsatxy(coord x, coord y, int wantflags, int nowantflags)
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{
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int ships;
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struct nstr_item ni;
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struct mchrstr *mp;
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struct shpstr ship;
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ships = 0;
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snxtitem_xy(&ni, EF_SHIP, x, y);
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while (nxtitem(&ni, &ship)) {
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if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
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continue;
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mp = &mchr[(int)ship.shp_type];
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if (wantflags) {
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if ((mp->m_flags & wantflags) == 0)
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continue;
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}
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if (nowantflags) {
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if (mp->m_flags & nowantflags)
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continue;
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}
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ships++;
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}
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return ships;
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}
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/*
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* is p a list of ships/planes/units?
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*/
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int
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islist(char *p)
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{
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for (; *p; p++) {
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if (!isdigit(*p) && *p != '/')
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return 0;
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}
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return 1;
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}
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