130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2007, 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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* 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 <ctype.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(short type)
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{
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char *cp;
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double tf;
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double tech;
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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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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 == 0)
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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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tech = tfact(player->cnum, 8.0);
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if (tech > WORLD_Y / 4.0)
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tech = WORLD_Y / 4.0;
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if (tech > WORLD_X / 8.0)
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tech = WORLD_X / 8.0;
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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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(int)(tech * 2.0), 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)) {
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pr("Specify at least one %s\n", ef_nameof(type));
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return RET_SYN;
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}
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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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tech = techfact(item.ship.shp_tech,
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mchr[(int)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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tech = techfact(item.land.lnd_tech, item.land.lnd_spy);
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}
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pr("%s at ", obj_nameof(&item.gen));
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if (tech > WORLD_Y / 2.0)
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tech = WORLD_Y / 2.0;
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if (tech > WORLD_X / 4.0)
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tech = WORLD_X / 4.0;
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radmap(item.gen.x, item.gen.y, item.gen.effic,
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(int)tech, 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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