Markus Armbruster
5f46ced826
Code dealing with money mixes int and long pretty haphazardly. Harmless, because practical amounts of money fit into int on any machine capable of running the server. Clean up anyway.
100 lines
3 KiB
C
100 lines
3 KiB
C
/*
|
|
* Empire - A multi-player, client/server Internet based war game.
|
|
* Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
|
|
* Ken Stevens, Steve McClure, Markus Armbruster
|
|
*
|
|
* Empire 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* ---
|
|
*
|
|
* 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.
|
|
*
|
|
* ---
|
|
*
|
|
* shark.c: Transfer a loan by buying it out
|
|
*
|
|
* Known contributors to this file:
|
|
* Pat Loney, 1992
|
|
* Steve McClure, 1996-2000
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <math.h>
|
|
#include "commands.h"
|
|
#include "loan.h"
|
|
#include "optlist.h"
|
|
|
|
int
|
|
shark(void)
|
|
{
|
|
int arg;
|
|
time_t now;
|
|
char *p;
|
|
struct lonstr loan;
|
|
struct natstr *natp;
|
|
struct natstr *oldie;
|
|
double owed;
|
|
int payment;
|
|
char buf[1024];
|
|
|
|
if (!opt_LOANS) {
|
|
pr("Loans are not enabled.\n");
|
|
return RET_FAIL;
|
|
}
|
|
p = getstarg(player->argp[1], "Transfer which loan #: ", buf);
|
|
if (!p)
|
|
return RET_SYN;
|
|
if (*p == 0)
|
|
return RET_SYN;
|
|
arg = atoi(p);
|
|
if (arg < 0)
|
|
return RET_SYN;
|
|
/* Check if it's a valid loan to shark. That means, is it a valid loan,
|
|
not owed to this player, with a valid duration and it's been signed. */
|
|
if (!getloan(arg, &loan) || (loan.l_loner == player->cnum) ||
|
|
(loan.l_ldur == 0) || (loan.l_status != LS_SIGNED)) {
|
|
pr("Invalid loan\n");
|
|
return RET_FAIL;
|
|
}
|
|
/* If we got here, we check to see if it's been defaulted on. */
|
|
owed = loan_owed(&loan, time(&now));
|
|
if (now <= loan.l_duedate) {
|
|
pr("There has been no default on loan %d\n", arg);
|
|
return RET_FAIL;
|
|
}
|
|
pr("That loan is worth $%.2f.\n", owed);
|
|
natp = getnatp(player->cnum);
|
|
payment = (int)ceil(owed * (1.0 + loan.l_irate / 100.0));
|
|
if (payment > natp->nat_money - 100.0) {
|
|
pr("You do not have enough to cover that loan\n");
|
|
return RET_FAIL;
|
|
} else {
|
|
wu(0, loan.l_lonee,
|
|
"%s bought loan #%d. You now owe him!\n",
|
|
cname(player->cnum), arg);
|
|
wu(0, loan.l_loner,
|
|
"%s bought loan #%d out from under you for %d\n",
|
|
cname(player->cnum), arg, payment);
|
|
pr("You now own loan #%d. Go break some legs.\n", arg);
|
|
}
|
|
oldie = getnatp(loan.l_loner);
|
|
oldie->nat_money += payment;
|
|
player->dolcost += payment;
|
|
loan.l_loner = player->cnum;
|
|
putloan(arg, &loan);
|
|
return RET_OK;
|
|
}
|