2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * cons.c: Consider a loan or treaty
30 * Known contributors to this file:
47 * Things common to a loan or treaty.
50 int type; /* EF_LOAN or EF_TREATY */
52 s_char *name; /* "loan" or "treaty" */
53 s_char *Name; /* "Loan" or "Treaty" */
54 natid proposer; /* country offering */
55 natid proposee; /* country offered to */
56 natid mailee; /* who gets mail about it */
57 s_char op; /* 'a', 'd', or 'p' */
59 struct lonstr l; /* the loan */
60 struct trtstr t; /* the treaty */
64 static int cons_choose(struct ltcomstr *ltcp);
65 static int treaty_accept(struct ltcomstr *ltcp);
66 static int treaty_decline(struct ltcomstr *ltcp);
67 static int loan_accept(struct ltcomstr *ltcp);
68 static int loan_decline(struct ltcomstr *ltcp);
69 static int postpone(struct ltcomstr *ltcp);
70 static void accpt(struct ltcomstr *ltcp);
71 static void decline(struct ltcomstr *ltcp);
72 static void late(struct ltcomstr *ltcp);
73 static void prev_signed(struct ltcomstr *ltcp);
81 rv = cons_choose(<c);
87 rv = (ltc.type == EF_TREATY) ? treaty_accept(<c)
91 rv = (ltc.type == EF_TREATY) ? treaty_decline(<c)
98 pr("Bad operation %c from cons_choose; get help!\n", ltc.op);
106 * Choose whether we want to accept, decline, or postpone a
107 * loan or treaty. Put all the goodies in ltcp, and return
108 * RET_OK if all goes well, and anything else on error.
111 cons_choose(struct ltcomstr *ltcp)
119 memset(ltcp, 0, sizeof(*ltcp));
120 if (getstarg(player->argp[1], "loan or treaty? ", buf) == 0)
122 ltcp->type = ef_byname(buf);
123 switch (ltcp->type) {
126 pr("Treaties are not enabled.\n");
129 ltcp->name = "treaty";
130 ltcp->Name = "Treaty";
134 pr("Loans are not enabled.\n");
141 pr("You must specify \"loan\" or \"treaty\".\n");
144 sprintf(prompt, "%s number? ", ltcp->Name);
145 if ((ltcp->num = onearg(player->argp[2], prompt)) < 0)
147 if (!ef_read(ltcp->type, ltcp->num, <cp->u) ||
148 !(ltcp->type == EF_TREATY
149 ? distrea(ltcp->num, <cp->u.t)
150 : disloan(ltcp->num, <cp->u.l))) {
151 pr("%s #%d is not being offered to you!\n", ltcp->Name, ltcp->num);
154 switch (ltcp->type) {
157 if (lp->l_status == LS_SIGNED) {
158 pr("That loan has already been accepted!\n");
161 ltcp->proposer = lp->l_loner;
162 ltcp->proposee = lp->l_lonee;
166 if (tp->trt_status == TS_SIGNED) {
167 pr("That treaty has already been accepted!\n");
170 ltcp->proposer = tp->trt_cna;
171 ltcp->proposee = tp->trt_cnb;
174 ltcp->mailee = (ltcp->proposer == player->cnum)
175 ? ltcp->proposee : ltcp->proposer;
177 getstarg(player->argp[3], "Accept, decline or postpone? ",
179 if (*p == 'a' || *p == 'd' || *p == 'p')
183 if (p == 0 || *p == 0)
190 * Accept a loan. If the offering country has too little money,
191 * leave him $100 left and offer the rest. Return RET_OK on
192 * success, anything else on error.
195 loan_accept(struct ltcomstr *ltcp)
198 struct natstr *lender;
199 struct nstr_item nstr;
203 if (ltcp->proposee != player->cnum) {
204 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
207 if (!getloan(ltcp->num, lp)) {
208 pr("loan_accept: can't read loan; get help!\n");
211 if (lp->l_status == LS_FREE) { /* other guy retratcted already */
215 if (lp->l_status == LS_SIGNED) { /* already signed somehow */
219 /* check to see if a loan already exists */
220 snxtitem_all(&nstr, EF_LOAN);
221 while (nxtitem(&nstr, (s_char *)&loan)) {
222 if (loan.l_status == LS_SIGNED && loan.l_lonee == lp->l_loner
223 && (loan.l_loner == lp->l_lonee)) {
224 pr("He already owes you money - make him repay his loan!\n");
228 lender = getnatp(ltcp->proposer);
229 if (lender->nat_money < lp->l_amtdue) { /* other guy is poor */
230 lp->l_amtdue = lender->nat_money - 100;
231 pr("%s no longer has the funds.\n", cname(ltcp->proposer));
232 if (lp->l_amtdue <= 0)
234 pr("You may borrow $%ld at the same terms.\n", lp->l_amtdue);
236 lender->nat_money -= lp->l_amtdue;
238 player->dolcost -= lp->l_amtdue;
240 (void)time(&lp->l_lastpay);
241 lp->l_duedate = lp->l_ldur * 86400 + lp->l_lastpay;
242 lp->l_status = LS_SIGNED;
243 if (!putloan(ltcp->num, (s_char *)lp)) {
244 pr("Problem writing lp->to disk; get help!\n");
248 pr("You are now $%ld richer (sort of).\n", lp->l_amtdue);
253 * Declne a loan. Return RET_OK on success, anything else on error.
256 loan_decline(struct ltcomstr *ltcp)
261 if (!getloan(ltcp->num, lp)) {
262 pr("Decline: can't read loan; get help!\n");
265 /* loan got accepted somehow between now and last time we checked */
266 if (lp->l_status == LS_SIGNED) {
270 lp->l_status = LS_FREE;
271 if (!putloan(ltcp->num, lp)) {
272 pr("loan_decline: can't write loan; get help!\n");
280 * Accept a treaty. Return RET_OK on success, anything else on error.
283 treaty_accept(struct ltcomstr *ltcp)
288 if (ltcp->proposee != player->cnum) {
289 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
292 if (!gettre(ltcp->num, tp)) {
293 pr("Accept: can't read treaty; get help!\n");
296 if (tp->trt_status == TS_FREE) { /* treaty offer withdrawn */
300 if (tp->trt_status == TS_SIGNED) { /* somehow got accepted */
304 tp->trt_status = TS_SIGNED;
305 if (!puttre(ltcp->num, tp)) {
306 pr("Problem saving treaty; get help!\n");
310 pr("Treaty in effect until %s", ctime(&tp->trt_exp));
315 * Decline a treaty. Return RET_OK on success, anything else on error.
318 treaty_decline(struct ltcomstr *ltcp)
323 if (!gettre(ltcp->num, tp)) {
324 pr("Decline: can't read treaty; get help!\n");
327 /* treaty got signed somehow between now and last time we read it */
328 if (tp->trt_status == TS_SIGNED) {
332 tp->trt_status = TS_FREE;
333 if (!puttre(ltcp->num, tp)) {
334 pr("Problem saving treaty; get help!\n");
342 * Postpone a treaty; always succeeds.
345 postpone(struct ltcomstr *ltcp)
347 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
348 if (ltcp->proposee == player->cnum)
349 wu(0, ltcp->proposer, "%s %d considered by %s\n",
350 ltcp->name, ltcp->num, cname(player->cnum));
355 * Somebody tried to accept a loan/treaty that was retracted,
356 * or to decline a loan/treaty they already signed.
359 late(struct ltcomstr *ltcp)
361 pr("Too late; that %s %s!\n", ltcp->name,
362 (ltcp->op == 'a') ? "is no longer being offered"
363 : "has already been accepted");
367 * Loan or treaty was previously signed.
370 prev_signed(struct ltcomstr *ltcp)
372 pr("%s #%d is already in effect.\n", ltcp->Name, ltcp->num);
376 * Post-processing after successful declination of loan or treaty.
377 * Notify the folks involved.
380 decline(struct ltcomstr *ltcp)
382 if (ltcp->proposee == player->cnum) {
383 wu(0, ltcp->proposer, "%s %d refused by %s\n",
384 ltcp->Name, ltcp->num, cname(player->cnum));
385 pr("%s %d refused.\n", ltcp->Name, ltcp->num);
387 wu(0, ltcp->proposee,
388 "%s offer %d retracted by %s\n",
389 ltcp->Name, ltcp->num, cname(player->cnum));
390 pr("%s offer %d retracted.\n", ltcp->Name, ltcp->num);
395 * Post-processing after successful acceptance of loan or treaty.
396 * Notify the press, and the folks involved.
397 * (Weird spelling is to avoid accept(2)).
400 accpt(struct ltcomstr *ltcp)
402 if (ltcp->type == EF_LOAN)
403 nreport(ltcp->proposer, N_MAKE_LOAN, player->cnum, 1);
405 nreport(player->cnum, N_SIGN_TRE, ltcp->mailee, 1);
406 wu(0, ltcp->mailee, "%s #%d accepted by %s\n",
407 ltcp->Name, ltcp->num, cname(player->cnum));