Markus Armbruster
2f86e79e80
buil() complains about the argument when snxtsct() fails. Misleading when the argument is fine, but snxtsct() fails due to bad conditional argument. Same for radar() with snxtitem().
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire 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 3 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, see <http://www.gnu.org/licenses/>.
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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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* rada.c: Do radar from a ship/unit/sector
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*
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* Known contributors to this file:
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* Ron Koenderink, 2006
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*/
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#include <config.h>
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#include "commands.h"
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#include "optlist.h"
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#include "empobj.h"
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int
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rada(void)
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{
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return radar(EF_SHIP);
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}
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int
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lrad(void)
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{
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return radar(EF_LAND);
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}
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int
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radar(int type)
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{
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char *cp;
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double tf;
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double tlev;
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int spy;
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struct nstr_item ni;
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struct nstr_sect ns;
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union empobj_storage item;
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char buf[1024];
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char prompt[80];
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if (CANT_HAPPEN(type != EF_LAND && type != EF_SHIP))
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type = EF_SHIP;
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sprintf(prompt, "Radar from (%s # or sector(s)) : ", ef_nameof(type));
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cp = getstarg(player->argp[1], prompt, buf);
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if (!cp)
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return RET_SYN;
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switch (sarg_type(cp)) {
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case NS_AREA:
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if (!snxtsct(&ns, cp))
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return RET_SYN;
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tlev = getnatp(player->cnum)->nat_level[NAT_TLEV];
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while (nxtsct(&ns, &item.sect)) {
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if (item.sect.sct_type != SCT_RADAR)
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continue;
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if (!player->owner)
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continue;
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radmap(item.sect.sct_x, item.sect.sct_y, item.sect.sct_effic,
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tlev, 16, 0.0);
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}
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break;
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case NS_LIST:
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case NS_GROUP:
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/* assumes a NS_LIST return is a unit no */
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if (!snxtitem(&ni, type, cp, NULL))
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return RET_SYN;
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while (nxtitem(&ni, &item)) {
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if (!player->owner)
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continue;
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tf = 0.0;
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if (type == EF_SHIP) {
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if (mchr[(int)item.ship.shp_type].m_flags & M_SONAR)
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tf = techfact(item.ship.shp_tech, 1.0);
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spy = mchr[item.ship.shp_type].m_vrnge;
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} else {
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if (!(lchr[(int)item.land.lnd_type].l_flags & L_RADAR)) {
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pr("%s can't use radar!\n", prland(&item.land));
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continue;
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}
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if (item.land.lnd_ship >= 0) {
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pr("Units on ships can't use radar!\n");
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continue;
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}
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spy = lchr[item.land.lnd_type].l_spy;
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}
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pr("%s at ", obj_nameof(&item.gen));
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radmap(item.gen.x, item.gen.y, item.gen.effic,
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item.gen.tech, spy, tf);
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}
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break;
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default:
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pr("Must use a %s or sector specifier\n", ef_nameof(type));
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return RET_SYN;
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}
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return RET_OK;
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}
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