empserver/src/lib/update/prepare.c

167 lines
4.5 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.
*
* ---
*
* prepare.c: Perform prelimiary updates of sectors
*
* Known contributors to this file:
* Dave Pare, 1986
* Thomas Ruschak, 1992
* Steve McClure, 1997
*/
#include "misc.h"
#include "sect.h"
#include "nat.h"
#include "item.h"
#include "file.h"
#include "xy.h"
#include "path.h"
#include "optlist.h"
#include "budg.h"
#include "player.h"
#include "ship.h"
#include "land.h"
#include "update.h"
#include "gen.h"
#include "common.h"
void
prepare_sects(int etu, int *bp)
{
struct sctstr *sp;
struct natstr *np;
int n, civ_tax, uw_tax, mil_pay;
memset(levels, 0, sizeof(levels));
/* Process all the fallout. */
if (opt_FALLOUT) {
if (!player->simulation) {
/* First, we determine which sectors to process fallout in */
for (n = 0; NULL != (sp = getsectid(n)); n++)
sp->sct_updated = sp->sct_fallout != 0;
/* Next, we process the fallout there */
for (n = 0; NULL != (sp = getsectid(n)); n++)
if (sp->sct_updated)
do_fallout(sp, etu);
/* Next, we spread the fallout */
for (n = 0; NULL != (sp = getsectid(n)); n++)
if (sp->sct_updated)
spread_fallout(sp, etu);
/* Next, we decay the fallout */
for (n = 0; NULL != (sp = getsectid(n)); n++)
if (sp->sct_fallout)
decay_fallout(sp, etu);
}
}
for (n = 0; NULL != (sp = getsectid(n)); n++) {
sp->sct_updated = 0;
if (sp->sct_type == SCT_WATER)
continue;
fill_update_array(bp, sp);
np = getnatp(sp->sct_own);
#ifdef DEBUG
if (np->nat_stat & STAT_SANCT)
logerror("Prepare.c: country in sanctuary skipped production");
#endif /* DEBUG */
if (!(np->nat_stat & STAT_SANCT)) {
guerrilla(sp);
do_plague(sp, np, etu);
tax(sp, np, etu, &pops[sp->sct_own], &civ_tax, &uw_tax,
&mil_pay);
np->nat_money += civ_tax + uw_tax + mil_pay;
if (sp->sct_type == SCT_BANK)
np->nat_money += bank_income(sp, etu);
}
}
for (n = 0; NULL != (np = getnatp(n)); n++) {
np->nat_money += upd_slmilcosts(np->nat_cnum, etu);
}
}
void
tax(struct sctstr *sp, struct natstr *np, int etu, long *pop, int *civ_tax,
int *uw_tax, int *mil_pay)
{
*civ_tax = 0;
*uw_tax = 0;
*mil_pay = 0;
if (!player->simulation)
populace(np, sp, etu);
*civ_tax = (int)(0.5 + sp->sct_item[I_CIVIL] * sp->sct_effic *
etu * money_civ / 100);
/*
* captured civs only pay 1/4 taxes
*/
if (sp->sct_own != sp->sct_oldown)
*civ_tax = *civ_tax / 4;
*uw_tax = (int)(0.5 + sp->sct_item[I_UW] * sp->sct_effic *
etu * money_uw / 100);
*mil_pay = sp->sct_item[I_MILIT] * etu * money_mil;
/*
* only non-captured civs add to census for nation
*/
if (sp->sct_oldown == sp->sct_own)
*pop += sp->sct_item[I_CIVIL];
}
int
upd_slmilcosts(natid n, int etu)
{
struct shpstr *sp;
struct lndstr *lp;
int mil = 0;
int totalmil = 0;
int mil_pay = 0;
int i;
for (i = 0; NULL != (sp = getshipp(i)); i++) {
if (!sp->shp_own || sp->shp_own != n)
continue;
if ((mil = sp->shp_item[I_MILIT]) > 0)
totalmil += mil;
}
for (i = 0; NULL != (lp = getlandp(i)); i++) {
if (!lp->lnd_own || lp->lnd_own != n)
continue;
if ((mil = lp->lnd_item[I_MILIT]) > 0)
totalmil += mil;
}
mil_pay = totalmil * etu * money_mil;
return mil_pay;
}
int
bank_income(struct sctstr *sp, int etu)
{
return (int)(sp->sct_item[I_BAR] * etu * bankint * sp->sct_effic / 100);
}