empserver/src/lib/commands/grin.c

111 lines
2.9 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2010, 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 files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* grin.c: Grind gold bars into dust
*
* Known contributors to this file:
* Markus Armbruster, 2004-2009
*/
#include <config.h>
#include "commands.h"
#include "product.h"
int
grin(void)
{
struct nstr_sect nstr;
struct sctstr sect;
char *p;
int prd, i, n, qty;
char buf[1024];
double grind_eff = 0.8;
struct pchrstr *pp;
i_type ctype;
unsigned camt;
prd = dchr[SCT_BANK].d_prd;
if (prd < 0 || pchr[prd].p_type < 0) {
pr("Grinding is disabled.\n");
return RET_FAIL;
}
pp = &pchr[prd];
if (!(p = getstarg(player->argp[1], "Sectors? ", buf)))
return RET_SYN;
if (!snxtsct(&nstr, p))
return RET_SYN;
p = getstarg(player->argp[2], "amount : ", buf);
if (!p || !*p)
return RET_SYN;
qty = atoi(p);
if (qty < 0)
return RET_SYN;
while (nxtsct(&nstr, &sect)) {
if (!player->owner)
continue;
if (sect.sct_effic < 60 || sect.sct_own != player->cnum)
continue;
/* materials limit */
n = MIN(qty, sect.sct_item[pp->p_type]);
/* work limit */
n = MIN(n, sect.sct_avail / 5);
/* space limit */
for (i = 0; i < MAXPRCON; i++) {
ctype = pp->p_ctype[i];
camt = pp->p_camt[i];
if (!camt)
continue;
if (CANT_HAPPEN(ctype <= I_NONE || ctype > I_MAX))
continue;
n = MIN(n,
(double)(ITEM_MAX - sect.sct_item[ctype])
/ (camt * grind_eff));
}
if (n > 0) {
pr("%d bars ground up in %s\n", n,
xyas(sect.sct_x, sect.sct_y, player->cnum));
sect.sct_item[I_BAR] -= n;
for (i = 0; i < MAXPRCON; i++) {
ctype = pp->p_ctype[i];
camt = pp->p_camt[i];
if (!camt)
continue;
if (CANT_HAPPEN(ctype <= I_NONE || ctype > I_MAX))
continue;
sect.sct_item[ctype] += n * camt * grind_eff;
}
sect.sct_avail -= n * 5;
putsect(&sect);
}
}
return RET_OK;
}