112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
|
|
* Empire - A multi-player, client/server Internet based war game.
|
|
* Copyright (C) 1986-2008, 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 files README, COPYING and CREDITS in the root of the source
|
|
* tree for related information and legal notices. It is expected
|
|
* that future projects/authors will amend these files as needed.
|
|
*
|
|
* ---
|
|
*
|
|
* lostsub.c: Subroutines for lost items
|
|
*
|
|
* Known contributors to this file:
|
|
* Steve McClure, 1997
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "file.h"
|
|
#include "lost.h"
|
|
|
|
static int findlost(short, natid, short, coord, coord, int);
|
|
|
|
void
|
|
makelost(short type, natid owner, short id, coord x, coord y)
|
|
{
|
|
struct loststr lost;
|
|
int n;
|
|
|
|
n = findlost(type, owner, id, x, y, 1);
|
|
if (n < 0) {
|
|
ef_extend(EF_LOST, 25);
|
|
n = findlost(type, owner, id, x, y, 1);
|
|
if (n < 0)
|
|
return;
|
|
}
|
|
|
|
getlost(n, &lost);
|
|
lost.lost_type = type;
|
|
lost.lost_owner = owner;
|
|
lost.lost_id = id;
|
|
lost.lost_x = x;
|
|
lost.lost_y = y;
|
|
lost.lost_uid = n;
|
|
time(&lost.lost_timestamp);
|
|
putlost(n, &lost);
|
|
}
|
|
|
|
void
|
|
makenotlost(short type, natid owner, short id, coord x, coord y)
|
|
{
|
|
struct loststr lost;
|
|
int n;
|
|
|
|
n = findlost(type, owner, id, x, y, 0);
|
|
if (n < 0)
|
|
return;
|
|
getlost(n, &lost);
|
|
lost.lost_owner = 0;
|
|
lost.lost_timestamp = 0;
|
|
putlost(n, &lost);
|
|
}
|
|
|
|
|
|
/*
|
|
* Find a suitable slot in the lost file.
|
|
* If a record for TYPE, OWNER, ID, X, Y exists, return its index.
|
|
* Else if FREE is non-zero, return the index of an unused record if
|
|
* there is one.
|
|
* Else return -1.
|
|
*/
|
|
static int
|
|
findlost(short type, natid owner, short id, coord x, coord y, int free)
|
|
{
|
|
struct loststr lost;
|
|
int n;
|
|
int freeslot = -1;
|
|
|
|
for (n = 0; getlost(n, &lost); n++) {
|
|
if (!lost.lost_owner && freeslot == -1 && free == 1)
|
|
freeslot = n;
|
|
if (!lost.lost_owner)
|
|
continue;
|
|
if (lost.lost_owner == owner && type == lost.lost_type) {
|
|
if (type == EF_SECTOR && lost.lost_x == x && lost.lost_y == y) {
|
|
freeslot = n;
|
|
break;
|
|
} else if (lost.lost_id == id) {
|
|
freeslot = n;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return freeslot;
|
|
}
|