empserver/src/lib/common/res_pop.c
2004-12-13 16:47:13 +00:00

68 lines
1.9 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2004, 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.
*
* ---
*
* res_pop.c: Get maximum pop of a sector
*
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1998
*/
#include "misc.h"
#include "sect.h"
#include "nat.h"
#include "item.h"
#include "xy.h"
#include "optlist.h"
#include "common.h"
int
max_pop(float research, struct sctstr *sp)
{
int maxpop = 999;
if (opt_RES_POP) {
maxpop = 400 + 600 * ((50.0 + 4.0 * research)
/ (200.0 + 3.0 * research));
if (maxpop > 999)
maxpop = 999;
}
if (opt_BIG_CITY) {
if (sp && dchr[sp->sct_type].d_pkg == UPKG)
maxpop = (int)(maxpop * ((9.0 * sp->sct_effic) / 100 + 1));
}
if (sp) {
if (sp->sct_type == SCT_MOUNT)
maxpop /= 10;
else if (sp->sct_type == SCT_PLAINS)
maxpop /= 20;
}
return maxpop;
}