/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * 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 2 of the License, or
+ * 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,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * 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.
+ * 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.
*
* ---
*
* repa.c: repay loan from a country
- *
+ *
* Known contributors to this file:
- *
+ *
*/
+#include <config.h>
+
#include <math.h>
-#include "misc.h"
-#include "player.h"
-#include "nat.h"
+#include "commands.h"
#include "loan.h"
#include "news.h"
-#include "file.h"
-#include "commands.h"
#include "optlist.h"
int
-repa(void)
+c_repay(void)
{
struct lonstr loan;
struct natstr *natp;
struct natstr *loaner;
int loan_num;
- long payment;
- long owe;
- long normaltime;
- long doubletime;
- double rate_per_sec, amt;
- s_char *cp;
+ int payment;
+ int newdue;
+ char *cp;
time_t now;
- s_char buf[1024];
+ char buf[1024];
if (!opt_LOANS) {
pr("Loans are not enabled.\n");
}
natp = getnatp(player->cnum);
cp = getstarg(player->argp[1], "Repay loan #? ", buf);
- if (cp == 0)
+ if (!cp)
return RET_SYN;
loan_num = atoi(cp);
if (loan_num < 0)
pr("You don't owe anything on that loan.\n");
return RET_FAIL;
}
- (void)time(&now);
- /*
- * split duration now - l_lastpay into regular (up to l_duedate)
- * and extended (beyond l_duedate)
- */
- normaltime = loan.l_duedate - loan.l_lastpay;
- doubletime = now - loan.l_duedate;
- if (normaltime < 0) {
- doubletime += normaltime;
- normaltime = 0;
- }
-
- rate_per_sec = loan.l_irate /
- ((double)loan.l_ldur * SECS_PER_DAY * 100.0);
-
- owe = (long)(loan.l_amtdue *
- ((double)normaltime * rate_per_sec + 1.0 +
- (double)doubletime * rate_per_sec * 2.0) + 0.5);
- amt = ((double)normaltime * rate_per_sec + 1.0 +
- (double)doubletime * rate_per_sec * 2.0);
- if (((1 << 30) / amt) < loan.l_amtdue)
- owe = (1 << 30);
- else
- owe = (long)(loan.l_amtdue *
- ((double)normaltime * rate_per_sec + 1.0 +
- (double)doubletime * rate_per_sec * 2.0) + 0.5);
- if ((cp = getstarg(player->argp[2], "amount? ", buf)) == 0)
+ if (!(cp = getstarg(player->argp[2], "amount? ", buf)))
return RET_SYN;
if (!check_loan_ok(&loan))
return RET_FAIL;
payment = atoi(cp);
if (payment <= 0)
return RET_SYN;
- if (payment > owe) {
+
+ newdue = (int)ceil(loan_owed(&loan, time(&now)) - payment);
+ if (newdue < 0) {
pr("You don't owe that much.\n");
return RET_FAIL;
}
if (natp->nat_money < payment) {
- pr("You only have $%ld.\n", natp->nat_money);
+ pr("You only have $%d.\n", natp->nat_money);
return RET_FAIL;
}
player->dolcost += payment;
loaner = getnatp(loan.l_loner);
loaner->nat_money += payment;
putnat(loaner);
- (void)time(&loan.l_lastpay);
- if (owe <= payment) {
- wu(0, loan.l_loner, "Country #%d paid off loan #%d with $%ld\n",
+ loan.l_lastpay = now;
+ if (newdue == 0) {
+ wu(0, loan.l_loner, "Country #%d paid off loan #%d with $%d\n",
player->cnum, loan_num, payment);
nreport(player->cnum, N_REPAY_LOAN, loan.l_loner, 1);
loan.l_status = LS_FREE;
pr("Congratulations, you've paid off the loan!\n");
} else {
wu(0, loan.l_loner,
- "Country #%d paid $%.2f on loan %d\n", player->cnum,
- (double)payment, loan_num);
- loan.l_amtdue = owe - payment;
+ "Country #%d paid $%d on loan %d\n",
+ player->cnum, payment, loan_num);
+ loan.l_amtdue = newdue;
loan.l_amtpaid += payment;
}
if (!putloan(loan_num, &loan)) {
+ logerror("repa: can't write loan");
pr("Can't save loan; get help!\n");
- return RET_SYS;
+ return RET_FAIL;
}
return RET_OK;
}
projects / empserver / blobdiff