121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2010, 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 files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* sectdamage.c: Damage a sector
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*
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* Known contributors to this file:
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* Dave Pare, 1989
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* Steve McClure, 1996
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*/
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#include <config.h>
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#include "combat.h"
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#include "damage.h"
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#include "file.h"
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#include "land.h"
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#include "misc.h"
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#include "nat.h"
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#include "nsc.h"
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#include "optlist.h"
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#include "plane.h"
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#include "prototypes.h"
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#include "sect.h"
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#include "ship.h"
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#include "xy.h"
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int
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sect_damage(struct sctstr *sp, int dam)
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{
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int eff;
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if (dam <= 0)
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return 0;
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if (dam > 100)
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dam = 100;
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sp->sct_effic = damage(sp->sct_effic, dam);
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sp->sct_avail = damage(sp->sct_avail, dam);
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sp->sct_road = damage(sp->sct_road, dam);
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sp->sct_rail = damage(sp->sct_rail, dam);
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sp->sct_defense = damage(sp->sct_defense, dam);
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eff = dam;
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if (sp->sct_mobil > 0)
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sp->sct_mobil = damage(sp->sct_mobil, dam);
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item_damage(dam, sp->sct_item);
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bridge_damaged(sp);
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putsect(sp);
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return eff;
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}
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int
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sectdamage(struct sctstr *sp, int dam)
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{
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struct nstr_item ni;
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struct lndstr land;
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struct plnstr plane;
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int eff;
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/* Some sectors are harder/easier to kill.. */
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/* Average sector has a dstr of 1, so adjust */
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/* the damage accordingly. Makes forts a pain */
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dam = ldround(dam / sector_strength(sp), 1);
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eff = sect_damage(sp, PERCENT_DAMAGE(dam));
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/* Damage all the land units in the sector */
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/* Units don't take full damage */
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dam = ldround(DPERCENT_DAMAGE(dam * unit_damage), 1);
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if (dam <= 0)
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return eff;
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snxtitem_xy(&ni, EF_LAND, sp->sct_x, sp->sct_y);
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while (nxtitem(&ni, &land)) {
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if (!land.lnd_own)
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continue;
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landdamage(&land, dam);
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putland(land.lnd_uid, &land);
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}
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dam = dam / 7;
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if (dam <= 0)
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return eff;
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snxtitem_xy(&ni, EF_PLANE, sp->sct_x, sp->sct_y);
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while (nxtitem(&ni, &plane)) {
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if (!plane.pln_own)
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continue;
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if (plane.pln_flags & PLN_LAUNCHED)
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continue;
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if (plane.pln_ship >= 0)
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continue;
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planedamage(&plane, dam);
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putplane(plane.pln_uid, &plane);
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}
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return eff;
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}
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