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", 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)
114 extern int disloan();
115 extern int distrea();
122 bzero((s_char *)ltcp, sizeof(*ltcp));
123 if (getstarg(player->argp[1], "loan or treaty? ", buf) == 0)
125 ltcp->type = ef_byname(buf);
126 switch (ltcp->type) {
129 pr("Treaties are not enabled.\n");
132 ltcp->name = "treaty";
133 ltcp->Name = "Treaty";
138 pr("Loans are not enabled.\n");
146 pr("You must specify \"loan\" or \"treaty\".\n");
149 sprintf(prompt, "%s number? ", ltcp->Name);
150 if ((ltcp->num = onearg(player->argp[2], prompt)) < 0)
152 if (!ef_read(ltcp->type, ltcp->num, (caddr_t)<cp->u) ||
153 !(*dis) (ltcp->num, <cp->u)) {
154 pr("%s #%d is not being offered to you!\n", ltcp->Name, ltcp->num);
157 switch (ltcp->type) {
160 if (lp->l_status == LS_SIGNED) {
161 pr("That loan has already been accepted!\n");
164 ltcp->proposer = lp->l_loner;
165 ltcp->proposee = lp->l_lonee;
169 if (tp->trt_status == TS_SIGNED) {
170 pr("That treaty has already been accepted!\n");
173 ltcp->proposer = tp->trt_cna;
174 ltcp->proposee = tp->trt_cnb;
177 ltcp->mailee = (ltcp->proposer == player->cnum)
178 ? ltcp->proposee : ltcp->proposer;
180 getstarg(player->argp[3], "Accept, decline or postpone? ",
182 if (*p == 'a' || *p == 'd' || *p == 'p')
186 if (p == 0 || *p == 0)
193 * Accept a loan. If the offering country has too little money,
194 * leave him $100 left and offer the rest. Return RET_OK on
195 * success, anything else on error.
198 loan_accept(struct ltcomstr *ltcp)
201 struct natstr *lender;
202 struct nstr_item nstr;
206 if (ltcp->proposee != player->cnum) {
207 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
210 if (!getloan(ltcp->num, (caddr_t)lp)) {
211 pr("loan_accept: can't read loan; get help!\n");
214 if (lp->l_status == LS_FREE) { /* other guy retratcted already */
218 if (lp->l_status == LS_SIGNED) { /* already signed somehow */
222 /* check to see if a loan already exists */
223 snxtitem_all(&nstr, EF_LOAN);
224 while (nxtitem(&nstr, (s_char *)&loan)) {
225 if (loan.l_status == LS_SIGNED && loan.l_lonee == lp->l_loner
226 && (loan.l_loner == lp->l_lonee)) {
227 pr("He already owes you money - make him repay his loan!\n");
231 lender = getnatp(ltcp->proposer);
232 if (lender->nat_money < lp->l_amtdue) { /* other guy is poor */
233 lp->l_amtdue = lender->nat_money - 100;
234 pr("%s no longer has the funds.\n", cname(ltcp->proposer));
235 if (lp->l_amtdue <= 0)
237 pr("You may borrow $%d at the same terms.\n", lp->l_amtdue);
239 lender->nat_money -= lp->l_amtdue;
241 player->dolcost -= lp->l_amtdue;
243 (void)time(&lp->l_lastpay);
244 lp->l_duedate = lp->l_ldur * 86400 + lp->l_lastpay;
245 lp->l_status = LS_SIGNED;
246 if (!putloan(ltcp->num, (s_char *)lp)) {
247 pr("Problem writing lp->to disk; get help!\n");
251 pr("You are now $%d richer (sort of).\n", lp->l_amtdue);
256 * Declne a loan. Return RET_OK on success, anything else on error.
259 loan_decline(struct ltcomstr *ltcp)
264 if (!getloan(ltcp->num, lp)) {
265 pr("Decline: can't read loan; get help!\n");
268 /* loan got accepted somehow between now and last time we checked */
269 if (lp->l_status == LS_SIGNED) {
273 lp->l_status = LS_FREE;
274 if (!putloan(ltcp->num, lp)) {
275 pr("loan_decline: can't write loan; get help!\n");
283 * Accept a treaty. Return RET_OK on success, anything else on error.
286 treaty_accept(struct ltcomstr *ltcp)
291 if (ltcp->proposee != player->cnum) {
292 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
295 if (!gettre(ltcp->num, tp)) {
296 pr("Accept: can't read treaty; get help!\n");
299 if (tp->trt_status == TS_FREE) { /* treaty offer withdrawn */
303 if (tp->trt_status == TS_SIGNED) { /* somehow got accepted */
307 tp->trt_status = TS_SIGNED;
308 if (!puttre(ltcp->num, tp)) {
309 pr("Problem saving treaty; get help!\n");
313 pr("Treaty in effect until %s", ctime(&tp->trt_exp));
318 * Decline a treaty. Return RET_OK on success, anything else on error.
321 treaty_decline(struct ltcomstr *ltcp)
326 if (!gettre(ltcp->num, tp)) {
327 pr("Decline: can't read treaty; get help!\n");
330 /* treaty got signed somehow between now and last time we read it */
331 if (tp->trt_status == TS_SIGNED) {
335 tp->trt_status = TS_FREE;
336 if (!puttre(ltcp->num, tp)) {
337 pr("Problem saving treaty; get help!\n");
345 * Postpone a treaty; always succeeds.
348 postpone(struct ltcomstr *ltcp)
350 pr("%s %d is still pending.\n", ltcp->Name, ltcp->num);
351 if (ltcp->proposee == player->cnum)
352 wu(0, ltcp->proposer, "%s %d considered by %s\n",
353 ltcp->name, ltcp->num, cname(player->cnum));
358 * Somebody tried to accept a loan/treaty that was retracted,
359 * or to decline a loan/treaty they already signed.
362 late(struct ltcomstr *ltcp)
364 pr("Too late; that %s %s!\n", ltcp->name,
365 (ltcp->op == 'a') ? "is no longer being offered"
366 : "has already been accepted");
370 * Loan or treaty was previously signed.
373 prev_signed(struct ltcomstr *ltcp)
375 pr("%s #%d is already in effect.\n", ltcp->Name, ltcp->num);
379 * Post-processing after successful declination of loan or treaty.
380 * Notify the folks involved.
383 decline(struct ltcomstr *ltcp)
385 if (ltcp->proposee == player->cnum) {
386 wu(0, ltcp->proposer, "%s %d refused by %s\n",
387 ltcp->Name, ltcp->num, cname(player->cnum));
388 pr("%s %d refused.\n", ltcp->Name, ltcp->num);
390 wu(0, ltcp->proposee,
391 "%s offer %d retracted by %s\n",
392 ltcp->Name, ltcp->num, cname(player->cnum));
393 pr("%s offer %d retracted.\n", ltcp->Name, ltcp->num);
398 * Post-processing after successful acceptance of loan or treaty.
399 * Notify the press, and the folks involved.
400 * (Weird spelling is to avoid accept(2)).
403 accpt(struct ltcomstr *ltcp)
405 if (ltcp->type == EF_LOAN)
406 nreport(ltcp->proposer, N_MAKE_LOAN, player->cnum, 1);
408 nreport(player->cnum, N_SIGN_TRE, ltcp->mailee, 1);
409 wu(0, ltcp->mailee, "%s #%d accepted by %s\n",
410 ltcp->Name, ltcp->num, cname(player->cnum));