empserver/src/lib/update/material.c

74 lines
2 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2005, 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.
*
* ---
*
* material.c: Tries to find materials for production
*
* Known contributors to this file:
* Ville Virrankoski, 1996
*/
#include <config.h>
#include "misc.h"
#include "sect.h"
#include "budg.h"
#include "player.h"
#include "update.h"
#include "common.h"
#include "subs.h"
#ifndef MIN
#define MIN(x,y) ((x) > (y) ? (y) : (x))
#endif
void
get_materials(struct sctstr *sp, int *bp, int *mvec, int check)
/* only check if found=0, remove them=1 */
{
i_type i;
int still_left;
for (i = I_NONE + 1; i <= I_MAX; i++) {
if (mvec[i] == 0)
continue;
if (check) {
still_left = gt_bg_nmbr(bp, sp, i);
if ((still_left - mvec[i]) < 0)
still_left = 0;
else
still_left -= mvec[i];
pt_bg_nmbr(bp, sp, i, still_left);
if (!player->simulation)
sp->sct_item[i] = still_left;
} else {
still_left = gt_bg_nmbr(bp, sp, i);
mvec[i] = MIN(mvec[i], still_left);
}
}
}