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Import of Empire 4.2.12

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Markus Armbruster 2003-08-23 12:23:04 +00:00
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src/lib/commands/fort.c Normal file
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/*
* 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.
*
* ---
*
* fort.c: Increase the fortification value of land units
*
* Known contributors to this file:
* Steve McClure, 1999
*
*/
#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 "commands.h"
int
fort(void)
{
int nunits;
struct nstr_item ni;
struct lndstr land;
int fort_amt, hard_amt, mob_used;
int eng;
s_char *p;
extern int land_mob_max;
s_char buf[1024];
if (!snxtitem(&ni, EF_LAND, player->argp[1]))
return RET_SYN;
p = getstarg(player->argp[2], "Amount: ", buf);
if (p == 0 || *p == 0)
return RET_SYN;
fort_amt = atoi(p);
if (fort_amt > land_mob_max)
fort_amt = land_mob_max;
nunits = 0;
while (nxtitem(&ni, (s_char *)&land)) {
if (!player->owner || land.lnd_own == 0)
continue;
if (land.lnd_type < 0 || land.lnd_type > lnd_maxno) {
pr("bad unit type %d (#%d)\n",
land.lnd_type, ni.cur);
continue;
}
getland(land.lnd_uid,&land);
if (land.lnd_mobil < 0)
continue;
if (land.lnd_ship >= 0) {
pr("%s is on a ship and can't be fortified\n",
prland(&land));
continue;
}
hard_amt = fort_amt;
/* This is use for things like "fort * -67" which will
use all mobility down to leaving 67 left. */
if (hard_amt < 0) {
hard_amt = land.lnd_mobil + hard_amt;
if (hard_amt < 0)
continue;
}
nunits++;
hard_amt = min(land.lnd_mobil, hard_amt);
if ((land.lnd_harden + hard_amt) > land_mob_max)
hard_amt = land_mob_max - land.lnd_harden;
eng = is_engineer(land.lnd_x, land.lnd_y);
if (eng)
hard_amt = ((float)hard_amt * 1.5);
if ((land.lnd_harden + hard_amt) > land_mob_max)
hard_amt = land_mob_max - land.lnd_harden;
/* Ok, set the mobility used */
mob_used = hard_amt;
/* Now, if an engineer helped, it's really only 2/3rds of
that */
if (eng)
mob_used = (int)((float)mob_used / 1.5);
/* If we increased it, but not much, we gotta take at least 1
mob point. */
if (mob_used <= 0 && hard_amt > 0)
mob_used = 1;
land.lnd_mobil -= mob_used;
if (land.lnd_mobil < 0)
land.lnd_mobil = 0;
land.lnd_harden += hard_amt;
land.lnd_harden = min(land.lnd_harden, land_mob_max);
pr("%s hardened to %d\n", prland(&land),
land.lnd_harden);
putland(land.lnd_uid,&land);
}
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;
}
int
is_engineer(int x, int y)
{
struct nstr_item ni;
struct lndstr land;
snxtitem_xy(&ni, EF_LAND, x,y);
while(nxtitem(&ni, (s_char *)&land)){
if (lchr[(int)land.lnd_type].l_flags & L_ENGINEER)
return 1;
}
return 0;
}