2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2000, 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",
107 * Choose whether we want to accept, decline, or postpone a
108 * loan or treaty. Put all the goodies in ltcp, and return
109 * RET_OK if all goes well, and anything else on error.
112 cons_choose(struct ltcomstr *ltcp)
115 extern int disloan();
116 extern int distrea();
123 bzero((s_char *)ltcp, sizeof (*ltcp));
124 if (getstarg(player->argp[1], "loan or treaty? ", buf) == 0)
126 ltcp->type = ef_byname(buf);
127 switch (ltcp->type) {
130 pr("Treaties are not enabled.\n");
133 ltcp->name = "treaty";
134 ltcp->Name = "Treaty";
139 pr("Loans are not enabled.\n");
147 pr("You must specify \"loan\" or \"treaty\".\n");
150 sprintf(prompt, "%s number? ", ltcp->Name);
151 if ((ltcp->num = onearg(player->argp[2], prompt)) < 0)
153 if (!ef_read(ltcp->type, ltcp->num, (caddr_t)<cp->u) ||
154 !(*dis)(ltcp->num, <cp->u)) {
155 pr("%s #%d is not being offered to you!\n",
156 ltcp->Name, ltcp->num);
159 switch (ltcp->type) {
162 if (lp->l_status == LS_SIGNED) {
163 pr("That loan has already been accepted!\n");
166 ltcp->proposer = lp->l_loner;
167 ltcp->proposee = lp->l_lonee;
171 if (tp->trt_status == TS_SIGNED) {
172 pr("That treaty has already been accepted!\n");
175 ltcp->proposer = tp->trt_cna;
176 ltcp->proposee = tp->trt_cnb;
179 ltcp->mailee = (ltcp->proposer == player->cnum)
180 ? ltcp->proposee : ltcp->proposer;
181 while ((p = getstarg(player->argp[3], "Accept, decline or postpone? ", buf)) && *p)
183 if (*p == 'a' || *p == 'd' || *p == 'p')
187 if (p == 0 || *p == 0)
194 * Accept a loan. If the offering country has too little money,
195 * leave him $100 left and offer the rest. Return RET_OK on
196 * success, anything else on error.
199 loan_accept(struct ltcomstr *ltcp)
202 struct natstr *lender;
203 struct nstr_item nstr;
207 if (ltcp->proposee != player->cnum) {
208 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
211 if (!getloan(ltcp->num, (caddr_t)lp)) {
212 pr("loan_accept: can't read loan; get help!\n");
215 if (lp->l_status == LS_FREE) { /* other guy retratcted already */
219 if (lp->l_status == LS_SIGNED) { /* already signed somehow */
223 /* check to see if a loan already exists */
224 snxtitem_all(&nstr, EF_LOAN);
225 while (nxtitem(&nstr, (s_char *) &loan)) {
226 if (loan.l_status == LS_SIGNED && loan.l_lonee == lp->l_loner
227 && (loan.l_loner == lp->l_lonee)) {
228 pr("He already owes you money - make him repay his loan!\n");
232 lender = getnatp(ltcp->proposer);
233 if (lender->nat_money < lp->l_amtdue) { /* other guy is poor */
234 lp->l_amtdue = lender->nat_money - 100;
235 pr("%s no longer has the funds.\n", cname(ltcp->proposer));
236 if (lp->l_amtdue <= 0)
238 pr("You may borrow $%d at the same terms.\n",
241 lender->nat_money -= lp->l_amtdue;
243 player->dolcost -= lp->l_amtdue;
245 (void) time(&lp->l_lastpay);
246 lp->l_duedate = lp->l_ldur * 86400 + lp->l_lastpay;
247 lp->l_status = LS_SIGNED;
248 if (!putloan(ltcp->num, (s_char *)lp)) {
249 pr("Problem writing lp->to disk; get help!\n");
253 pr("You are now $%d richer (sort of).\n", lp->l_amtdue);
258 * Declne a loan. Return RET_OK on success, anything else on error.
261 loan_decline(struct ltcomstr *ltcp)
266 if (!getloan(ltcp->num, lp)) {
267 pr("Decline: can't read loan; get help!\n");
270 /* loan got accepted somehow between now and last time we checked */
271 if (lp->l_status == LS_SIGNED) {
275 lp->l_status = LS_FREE;
276 if (!putloan(ltcp->num, lp)) {
277 pr("loan_decline: can't write loan; get help!\n");
285 * Accept a treaty. Return RET_OK on success, anything else on error.
288 treaty_accept(struct ltcomstr *ltcp)
293 if (ltcp->proposee != player->cnum) {
294 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
297 if (!gettre(ltcp->num, tp)) {
298 pr("Accept: can't read treaty; get help!\n");
301 if (tp->trt_status == TS_FREE) { /* treaty offer withdrawn */
305 if (tp->trt_status == TS_SIGNED) { /* somehow got accepted */
309 tp->trt_status = TS_SIGNED;
310 if (!puttre(ltcp->num, tp)) {
311 pr("Problem saving treaty; get help!\n");
315 pr("Treaty in effect until %s", ctime(&tp->trt_exp));
320 * Decline a treaty. Return RET_OK on success, anything else on error.
323 treaty_decline(struct ltcomstr *ltcp)
328 if (!gettre(ltcp->num, tp)) {
329 pr("Decline: can't read treaty; get help!\n");
332 /* treaty got signed somehow between now and last time we read it */
333 if (tp->trt_status == TS_SIGNED) {
337 tp->trt_status = TS_FREE;
338 if (!puttre(ltcp->num, tp)) {
339 pr("Problem saving treaty; get help!\n");
347 * Postpone a treaty; always succeeds.
350 postpone(struct ltcomstr *ltcp)
352 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
353 if (ltcp->proposee == player->cnum)
354 wu(0, ltcp->proposer, "%s %d considered by %s\n",
355 ltcp->name, ltcp->num, cname(player->cnum));
360 * Somebody tried to accept a loan/treaty that was retracted,
361 * or to decline a loan/treaty they already signed.
364 late(struct ltcomstr *ltcp)
366 pr("Too late; that %s %s!\n", ltcp->name,
367 (ltcp->op == 'a') ? "is no longer being offered"
368 : "has already been accepted");
372 * Loan or treaty was previously signed.
375 prev_signed(struct ltcomstr *ltcp)
377 pr("%s #%d is already in effect.\n", ltcp->Name, ltcp->num);
381 * Post-processing after successful declination of loan or treaty.
382 * Notify the folks involved.
385 decline(struct ltcomstr *ltcp)
387 if (ltcp->proposee == player->cnum) {
388 wu(0, ltcp->proposer, "%s %d refused by %s\n",
389 ltcp->Name, ltcp->num, cname(player->cnum));
390 pr("%s %d refused.\n", ltcp->Name, ltcp->num);
392 wu(0, ltcp->proposee,
393 "%s offer %d retracted by %s\n",
394 ltcp->Name, ltcp->num, cname(player->cnum));
395 pr("%s offer %d retracted.\n",
396 ltcp->Name, ltcp->num);
401 * Post-processing after successful acceptance of loan or treaty.
402 * Notify the press, and the folks involved.
403 * (Weird spelling is to avoid accept(2)).
406 accpt(struct ltcomstr *ltcp)
408 if (ltcp->type == EF_LOAN)
409 nreport(ltcp->proposer, N_MAKE_LOAN, player->cnum, 1);
411 nreport(player->cnum, N_SIGN_TRE, ltcp->mailee, 1);
412 wu(0, ltcp->mailee, "%s #%d accepted by %s\n",
413 ltcp->Name, ltcp->num, cname(player->cnum));