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Import of Empire 4.2.12

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This commit is contained in:
Markus Armbruster 2003-08-23 12:23:04 +00:00
commit d8b7fdfae1
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src/lib/subs/sect.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, 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.
*
* ---
*
* sect.c: Sector pre-write and post-read data massage
*
* Known contributors to this file:
* Dave Pare, 1989
* Steve McClure, 1996
*/
#include "misc.h"
#include "player.h"
#include "var.h"
#include "sect.h"
#include "xy.h"
#include "nat.h"
#include "deity.h"
#include "file.h"
#include "land.h"
#include "nsc.h"
#include "plane.h"
#include "prototypes.h"
#include "optlist.h"
static void give_back_cap(struct sctstr *sp);
/*ARGSUSED*/
int
sct_postread(int id, s_char *ptr)
{
struct sctstr *sp = (struct sctstr *) ptr;
checksect(sp);
player->owner = (player->god || sp->sct_own == player->cnum);
if (opt_MOB_ACCESS)
sct_do_upd_mob(sp);
return 1;
}
/*ARGSUSED*/
int
sct_prewrite(int id, s_char *ptr)
{
struct sctstr *sp = (struct sctstr *) ptr;
struct sctstr sect;
time(&sp->sct_timestamp);
checksect(sp);
getsect(sp->sct_x, sp->sct_y, &sect);
return 1;
}
int
checksect(struct sctstr *sp)
{
int mil, civs, loyalcivs;
/* shouldn't happen, but... */
if (sp->sct_mobil > 127)
sp->sct_mobil = 0;
mil = getvar(V_MILIT, (s_char *)sp, EF_SECTOR);
civs = getvar(V_CIVIL, (s_char *)sp, EF_SECTOR);
if (sp->sct_own == sp->sct_oldown)
loyalcivs = civs;
else
loyalcivs = 0;
if (sp->sct_effic < 20) {
if (sp->sct_type == SCT_BSPAN)
knockdown(sp, 0);
else if (sp->sct_type == SCT_BTOWER) {
knockdown(sp, 0);
bridgefall(sp, 0);
}
}
if (sp->sct_own != 0 && !civs) {
sp->sct_work = 100;
sp->sct_oldown = sp->sct_own;
}
/* If they have a military unit there, they still own it */
if (sp->sct_own && !loyalcivs && !(sp->sct_flags & MOVE_IN_PROGRESS)) {
if (!mil && !has_units(sp->sct_x,sp->sct_y,sp->sct_own,0)) {
/* more cruft! */
if (sp->sct_type == SCT_CAPIT ||
sp->sct_type == SCT_MOUNT)
caploss(sp, sp->sct_own, "");
if (sp->sct_oldown == sp->sct_own) {
makelost(EF_SECTOR, sp->sct_own, 0, sp->sct_x, sp->sct_y);
sp->sct_own = 0;
sp->sct_oldown = 0;
} else {
/* if oldown gets his cap back make agri */
if (sp->sct_oldown &&
player->cnum == sp->sct_own &&
sp->sct_type == SCT_CAPIT &&
sp->sct_newtype == SCT_CAPIT)
give_back_cap(sp);
takeover(sp, sp->sct_oldown);
}
sp->sct_mobil = 0;
}
}
if (!opt_DEFENSE_INFRA)
sp->sct_defense = sp->sct_effic;
return 1;
}
int
issector(s_char *arg)
{
s_char c;
while (0 != (c = *arg++))
if (!isdigit(c) && !isspace(c) && (c != '/'))
return 1;
return 0;
}
static void
give_back_cap(struct sctstr *sp)
{
struct natstr *natp = getnatp(sp->sct_oldown);
if (xrel(natp,natp->nat_xcap) == xrel(natp,sp->sct_x) &&
yrel(natp,natp->nat_ycap) == yrel(natp,sp->sct_y)) {
sp->sct_newtype = SCT_AGRI;
}
}
void
sct_init(coord x, coord y, s_char *ptr)
{
struct sctstr *sp = (struct sctstr *) ptr;
sp->ef_type = EF_SECTOR;
sp->sct_x = x;
sp->sct_y = y;
sp->sct_dist_x = x;
sp->sct_dist_y = y;
}