/*
 *  Empire - A multi-player, client/server Internet based war game.
 *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
 *                           Ken Stevens, Steve McClure
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  ---
 *
 *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
 *  related information and legal notices. It is expected that any future
 *  projects/authors will amend these files as needed.
 *
 *  ---
 *
 *  land.c: List land units
 * 
 *  Known contributors to this file:
 *     Steve McClure, 1998
 */

#include "misc.h"
#include "player.h"
#include "var.h"
#include "xy.h"
#include "sect.h"
#include "land.h"
#include "nat.h"
#include "nsc.h"
#include "deity.h"
#include "file.h"
#include "optlist.h"
#include "commands.h"

int
land(void)
{
    int nunits;
    struct nstr_item ni;
    struct lndstr land;
    int vec[I_MAX + 1];

    if (!snxtitem(&ni, EF_LAND, player->argp[1]))
	return RET_SYN;

    nunits = 0;
    while (nxtitem(&ni, (s_char *)&land)) {
	if (land.lnd_own == 0)
	    continue;
	if (!player->owner && !player->god)
	    continue;
	if (land.lnd_type < 0 || land.lnd_type > lnd_maxno) {
	    pr("bad unit type %d (#%d)\n", land.lnd_type, ni.cur);
	    continue;
	}
	count_land_planes(&land);
	lnd_count_units(&land);

	if (nunits++ == 0) {
	    if (player->god)
		pr("own ");
	    pr("   # unit type          x,y   a  eff mil frt  mu  fd");
	    if (opt_FUEL)
		pr(" fl");
	    pr(" tch retr rd");
	    pr(" xl");
	    pr(" ln");
	    pr(" l/s\n");
	}
	if (player->god)
	    pr("%3d ", land.lnd_own);
	pr("%4d ", ni.cur);
	pr("%-15.15s", lchr[(int)land.lnd_type].l_name);
	prxy(" %4d,%-4d", land.lnd_x, land.lnd_y, player->cnum);
	pr("%c", land.lnd_army);
	pr("%4d%%", land.lnd_effic);
	pr("%4d", lnd_getmil(&land));
	pr("%4d", land.lnd_harden);
	pr("%4d", land.lnd_mobil);
	getvec(VT_ITEM, vec, (s_char *)&land, EF_LAND);
	pr("%4d", vec[I_FOOD]);
	if (opt_FUEL)
	    pr("%3d", land.lnd_fuel);
	pr("%4d ", land.lnd_tech);
	pr("%3d%%", land.lnd_retreat);
	pr("%3d", land.lnd_rad_max);
	pr("%3d", land.lnd_nxlight);
	pr("%3d", land.lnd_nland);
	if (land.lnd_ship >= 0)
	    pr(" S%4d", land.lnd_ship);
	else if (land.lnd_land >= 0)
	    pr(" L%4d", land.lnd_land);
	pr("\n");
    }
    if (nunits == 0) {
	if (player->argp[1])
	    pr("%s: No unit(s)\n", player->argp[1]);
	else
	    pr("%s: No unit(s)\n", "");
	return RET_FAIL;
    } else
	pr("%d unit%s\n", nunits, splur(nunits));
    return RET_OK;
}