Import of Empire 4.2.12
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src/lib/update/prepare.c
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187
src/lib/update/prepare.c
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/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* prepare.c: Perform prelimiary updates of sectors
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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* Thomas Ruschak, 1992
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* Steve McClure, 1997
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*/
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#include <math.h>
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#include "misc.h"
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#include "var.h"
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#include "sect.h"
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#include "nat.h"
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#include "item.h"
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#include "news.h"
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#include "file.h"
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#include "xy.h"
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#include "path.h"
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#include "optlist.h"
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#include "budg.h"
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#include "player.h"
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#include "ship.h"
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#include "land.h"
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#include "update.h"
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#include "gen.h"
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#include "common.h"
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extern float levels[MAXNOC][4];
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void
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prepare_sects(int etu, int *bp)
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{
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extern long pops[];
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register struct sctstr *sp;
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struct natstr *np;
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int n, civ_tax, uw_tax, mil_pay;
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bzero((s_char *)levels, sizeof(levels));
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/* Process all the fallout. */
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if (opt_FALLOUT) {
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if (!player->simulation) {
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/* First, we determine which sectors to process fallout in */
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for (n = 0; NULL != (sp = getsectid(n)); n++) {
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if (getvar(V_FALLOUT, (s_char *)sp, EF_SECTOR))
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sp->sct_updated = 1;
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else
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sp->sct_updated = 0;
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}
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/* Next, we process the fallout there */
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for (n = 0; NULL != (sp = getsectid(n)); n++)
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if (sp->sct_updated)
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do_fallout(sp, etu);
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/* Next, we spread the fallout */
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for (n = 0; NULL != (sp = getsectid(n)); n++)
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if (sp->sct_updated)
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spread_fallout(sp, etu);
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/* Next, we decay the fallout */
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for (n = 0; NULL != (sp = getsectid(n)); n++)
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if (getvar(V_FALLOUT, (s_char *)sp, EF_SECTOR))
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decay_fallout(sp, etu);
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}
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}
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for (n=0; NULL != (sp = getsectid(n)); n++) {
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sp->sct_updated = 0;
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if (sp->sct_type == SCT_WATER)
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continue;
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fill_update_array(bp, sp);
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np = getnatp(sp->sct_own);
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#ifdef DEBUG
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if (np->nat_stat & STAT_SANCT)
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logerror("Prepare.c: country in sanctuary skipped production");
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#endif /* DEBUG */
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if (!(np->nat_stat & STAT_SANCT)){
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guerrilla(sp);
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do_plague(sp, np, etu);
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tax(sp, np, etu, &pops[sp->sct_own], &civ_tax, &uw_tax, &mil_pay);
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np->nat_money += civ_tax + uw_tax + mil_pay;
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if (sp->sct_type == SCT_BANK)
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np->nat_money += bank_income(sp, etu);
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}
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}
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for (n=0; NULL != (np = getnatp(n)); n++) {
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np->nat_money += upd_slmilcosts(np->nat_cnum, etu);
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}
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}
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void
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tax(struct sctstr *sp, struct natstr *np, int etu, long *pop, int *civ_tax, int *uw_tax, int *mil_pay)
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{
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int vec[I_MAX+1];
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extern double money_civ, money_mil, money_uw;
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*civ_tax = 0;
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*uw_tax = 0;
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*mil_pay = 0;
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if (getvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR) <= 0)
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return;
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if (!player->simulation)
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populace(np, sp, vec, etu);
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*civ_tax = (int)(0.5 + vec[I_CIVIL] * sp->sct_effic *
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etu * money_civ / 100);
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/*
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* captured civs only pay 1/4 taxes
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*/
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if (sp->sct_own != sp->sct_oldown)
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*civ_tax = *civ_tax / 4;
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*uw_tax = (int)(0.5 + vec[I_UW] * sp->sct_effic *
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etu * money_uw / 100);
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*mil_pay = vec[I_MILIT] * etu * money_mil;
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/*
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* only non-captured civs add to census for nation
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*/
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if (sp->sct_oldown == sp->sct_own)
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*pop += vec[I_CIVIL];
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}
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int
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upd_slmilcosts(natid n, int etu)
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{
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extern double money_mil;
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struct shpstr *sp;
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struct lndstr *lp;
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int mil = 0;
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int totalmil = 0;
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int mil_pay = 0;
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int i;
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for (i = 0; NULL != (sp = getshipp(i)); i++) {
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if (!sp->shp_own || sp->shp_own != n)
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continue;
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if ((mil = getvar(V_MILIT, (s_char *)sp, EF_SHIP)) > 0)
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totalmil += mil;
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}
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for (i = 0; NULL != (lp = getlandp(i)); i++) {
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if (!lp->lnd_own || lp->lnd_own != n)
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continue;
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if ((mil = getvar(V_MILIT, (s_char *)lp, EF_LAND)) > 0)
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totalmil += mil;
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}
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mil_pay = totalmil * etu * money_mil;
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return (mil_pay);
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}
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int
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bank_income(struct sctstr *sp, int etu)
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{
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extern double bankint;
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int vec[I_MAX+1];
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if (getvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR) <= 0)
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return 0;
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else
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return (int)(vec[I_BAR] * etu * bankint * sp->sct_effic / 100);
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}
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