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.
112 lines
3 KiB
C
112 lines
3 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire 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 3 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, see <http://www.gnu.org/licenses/>.
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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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* repa.c: repay loan from a country
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*
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* Known contributors to this file:
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*
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*/
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#include <config.h>
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#include <math.h>
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#include "commands.h"
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#include "loan.h"
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#include "news.h"
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#include "optlist.h"
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int
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repa(void)
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{
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struct lonstr loan;
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struct natstr *natp;
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struct natstr *loaner;
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int loan_num;
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int payment;
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int newdue;
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char *cp;
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time_t now;
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char buf[1024];
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if (!opt_LOANS) {
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pr("Loans are not enabled.\n");
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return RET_FAIL;
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}
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natp = getnatp(player->cnum);
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cp = getstarg(player->argp[1], "Repay loan #? ", buf);
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if (!cp)
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return RET_SYN;
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loan_num = atoi(cp);
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if (loan_num < 0)
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return RET_SYN;
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if (!getloan(loan_num, &loan) || loan.l_lonee != player->cnum
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|| loan.l_status != LS_SIGNED) {
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pr("You don't owe anything on that loan.\n");
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return RET_FAIL;
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}
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if (!(cp = getstarg(player->argp[2], "amount? ", buf)))
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return RET_SYN;
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if (!check_loan_ok(&loan))
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return RET_FAIL;
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payment = atoi(cp);
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if (payment <= 0)
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return RET_SYN;
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newdue = (int)ceil(loan_owed(&loan, time(&now)) - payment);
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if (newdue < 0) {
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pr("You don't owe that much.\n");
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return RET_FAIL;
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}
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if (natp->nat_money < payment) {
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pr("You only have $%d.\n", natp->nat_money);
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return RET_FAIL;
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}
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player->dolcost += payment;
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loaner = getnatp(loan.l_loner);
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loaner->nat_money += payment;
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putnat(loaner);
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loan.l_lastpay = now;
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if (newdue == 0) {
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wu(0, loan.l_loner, "Country #%d paid off loan #%d with $%d\n",
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player->cnum, loan_num, payment);
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nreport(player->cnum, N_REPAY_LOAN, loan.l_loner, 1);
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loan.l_status = LS_FREE;
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loan.l_ldur = 0;
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pr("Congratulations, you've paid off the loan!\n");
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} else {
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wu(0, loan.l_loner,
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"Country #%d paid $%d on loan %d\n",
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player->cnum, payment, loan_num);
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loan.l_amtdue = newdue;
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loan.l_amtpaid += payment;
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}
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if (!putloan(loan_num, &loan)) {
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logerror("repa: can't write loan");
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pr("Can't save loan; get help!\n");
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return RET_FAIL;
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}
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return RET_OK;
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}
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