move.c revision 1.8 1 /* $NetBSD: move.c,v 1.8 1999/03/29 05:12:39 mrg Exp $ */
2
3 /*
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
40 #else
41 __RCSID("$NetBSD: move.c,v 1.8 1999/03/29 05:12:39 mrg Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <termios.h>
46
47 #include "mille.h"
48 #ifndef unctrl
49 #include "unctrl.h"
50 #endif
51
52 /*
53 * @(#)move.c 1.2 (Berkeley) 3/28/83
54 */
55
56 #undef CTRL
57 #define CTRL(c) (c - 'A' + 1)
58
59 char *Movenames[] = {
60 "M_DISCARD", "M_DRAW", "M_PLAY", "M_ORDER"
61 };
62
63 void
64 domove()
65 {
66 PLAY *pp;
67 int i, j;
68 bool goodplay;
69
70 pp = &Player[Play];
71 if (Play == PLAYER)
72 getmove();
73 else
74 calcmove();
75 Next = FALSE;
76 goodplay = TRUE;
77 switch (Movetype) {
78 case M_DISCARD:
79 if (haspicked(pp)) {
80 if (pp->hand[Card_no] == C_INIT)
81 if (Card_no == 6)
82 Finished = TRUE;
83 else
84 error("no card there");
85 else {
86 if (issafety(pp->hand[Card_no])) {
87 error("discard a safety?");
88 goodplay = FALSE;
89 break;
90 }
91 Discard = pp->hand[Card_no];
92 pp->hand[Card_no] = C_INIT;
93 Next = TRUE;
94 if (Play == PLAYER)
95 account(Discard);
96 }
97 }
98 else
99 error("must pick first");
100 break;
101 case M_PLAY:
102 goodplay = playcard(pp);
103 break;
104 case M_DRAW:
105 Card_no = 0;
106 if (Topcard <= Deck)
107 error("no more cards");
108 else if (haspicked(pp))
109 error("already picked");
110 else {
111 pp->hand[0] = *--Topcard;
112 #ifdef DEBUG
113 if (Debug)
114 fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
115 #endif
116 acc:
117 if (Play == COMP) {
118 account(*Topcard);
119 if (issafety(*Topcard))
120 pp->safety[*Topcard-S_CONV] = S_IN_HAND;
121 }
122 if (pp->hand[1] == C_INIT && Topcard > Deck) {
123 Card_no = 1;
124 pp->hand[1] = *--Topcard;
125 #ifdef DEBUG
126 if (Debug)
127 fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
128 #endif
129 goto acc;
130 }
131 pp->new_battle = FALSE;
132 pp->new_speed = FALSE;
133 }
134 break;
135
136 case M_ORDER:
137 break;
138 }
139 /*
140 * move blank card to top by one of two methods. If the
141 * computer's hand was sorted, the randomness for picking
142 * between equally valued cards would be lost
143 */
144 if (Order && Movetype != M_DRAW && goodplay && pp == &Player[PLAYER])
145 sort(pp->hand);
146 else
147 for (i = 1; i < HAND_SZ; i++)
148 if (pp->hand[i] == C_INIT) {
149 for (j = 0; pp->hand[j] == C_INIT; j++)
150 if (j >= HAND_SZ) {
151 j = 0;
152 break;
153 }
154 pp->hand[i] = pp->hand[j];
155 pp->hand[j] = C_INIT;
156 }
157 if (Topcard <= Deck)
158 check_go();
159 if (Next)
160 nextplay();
161 }
162
163 /*
164 * Check and see if either side can go. If they cannot,
165 * the game is over
166 */
167 void
168 check_go()
169 {
170 CARD card;
171 PLAY *pp, *op;
172 int i;
173
174 for (pp = Player; pp < &Player[2]; pp++) {
175 op = (pp == &Player[COMP] ? &Player[PLAYER] : &Player[COMP]);
176 for (i = 0; i < HAND_SZ; i++) {
177 card = pp->hand[i];
178 if (issafety(card) || canplay(pp, op, card)) {
179 #ifdef DEBUG
180 if (Debug) {
181 fprintf(outf, "CHECK_GO: can play %s (%d), ", C_name[card], card);
182 fprintf(outf, "issafety(card) = %d, ", issafety(card));
183 fprintf(outf, "canplay(pp, op, card) = %d\n", canplay(pp, op, card));
184 }
185 #endif
186 return;
187 }
188 #ifdef DEBUG
189 else if (Debug)
190 fprintf(outf, "CHECK_GO: cannot play %s\n",
191 C_name[card]);
192 #endif
193 }
194 }
195 Finished = TRUE;
196 }
197
198 int
199 playcard(pp)
200 PLAY *pp;
201 {
202 int v;
203 CARD card;
204
205 /*
206 * check and see if player has picked
207 */
208 switch (pp->hand[Card_no]) {
209 default:
210 if (!haspicked(pp))
211 mustpick:
212 return error("must pick first");
213 case C_GAS_SAFE: case C_SPARE_SAFE:
214 case C_DRIVE_SAFE: case C_RIGHT_WAY:
215 break;
216 }
217
218 card = pp->hand[Card_no];
219 #ifdef DEBUG
220 if (Debug)
221 fprintf(outf, "PLAYCARD: Card = %s\n", C_name[card]);
222 #endif
223 Next = FALSE;
224 switch (card) {
225 case C_200:
226 if (pp->nummiles[C_200] == 2)
227 return error("only two 200's per hand");
228 case C_100: case C_75:
229 if (pp->speed == C_LIMIT)
230 return error("limit of 50");
231 case C_50:
232 if (pp->mileage + Value[card] > End)
233 return error("puts you over %d", End);
234 case C_25:
235 if (!pp->can_go)
236 return error("cannot move now");
237 pp->nummiles[card]++;
238 v = Value[card];
239 pp->total += v;
240 pp->hand_tot += v;
241 if ((pp->mileage += v) == End)
242 check_ext(FALSE);
243 break;
244
245 case C_GAS: case C_SPARE: case C_REPAIRS:
246 if (pp->battle != opposite(card))
247 return error("can't play \"%s\"", C_name[card]);
248 pp->battle = card;
249 if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
250 pp->can_go = TRUE;
251 break;
252
253 case C_GO:
254 if (pp->battle != C_INIT && pp->battle != C_STOP
255 && !isrepair(pp->battle))
256 return error("cannot play \"Go\" on a \"%s\"",
257 C_name[pp->battle]);
258 pp->battle = C_GO;
259 pp->can_go = TRUE;
260 break;
261
262 case C_END_LIMIT:
263 if (pp->speed != C_LIMIT)
264 return error("not limited");
265 pp->speed = C_END_LIMIT;
266 break;
267
268 case C_EMPTY: case C_FLAT: case C_CRASH:
269 case C_STOP:
270 pp = &Player[other(Play)];
271 if (!pp->can_go)
272 return error("opponent cannot go");
273 else if (pp->safety[safety(card) - S_CONV] == S_PLAYED)
274 protected:
275 return error("opponent is protected");
276 pp->battle = card;
277 pp->new_battle = TRUE;
278 pp->can_go = FALSE;
279 pp = &Player[Play];
280 break;
281
282 case C_LIMIT:
283 pp = &Player[other(Play)];
284 if (pp->speed == C_LIMIT)
285 return error("opponent has limit");
286 if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
287 goto protected;
288 pp->speed = C_LIMIT;
289 pp->new_speed = TRUE;
290 pp = &Player[Play];
291 break;
292
293 case C_GAS_SAFE: case C_SPARE_SAFE:
294 case C_DRIVE_SAFE: case C_RIGHT_WAY:
295 if (pp->battle == opposite(card)
296 || (card == C_RIGHT_WAY && pp->speed == C_LIMIT)) {
297 if (!(card == C_RIGHT_WAY && !isrepair(pp->battle))) {
298 pp->battle = C_GO;
299 pp->can_go = TRUE;
300 }
301 if (card == C_RIGHT_WAY && pp->speed == C_LIMIT)
302 pp->speed = C_INIT;
303 if (pp->new_battle
304 || (pp->new_speed && card == C_RIGHT_WAY)) {
305 pp->coups[card - S_CONV] = TRUE;
306 pp->total += SC_COUP;
307 pp->hand_tot += SC_COUP;
308 pp->coupscore += SC_COUP;
309 }
310 }
311 /*
312 * if not coup, must pick first
313 */
314 else if (pp->hand[0] == C_INIT && Topcard > Deck)
315 goto mustpick;
316 pp->safety[card - S_CONV] = S_PLAYED;
317 pp->total += SC_SAFETY;
318 pp->hand_tot += SC_SAFETY;
319 if ((pp->safescore += SC_SAFETY) == NUM_SAFE * SC_SAFETY) {
320 pp->total += SC_ALL_SAFE;
321 pp->hand_tot += SC_ALL_SAFE;
322 }
323 if (card == C_RIGHT_WAY) {
324 if (pp->speed == C_LIMIT)
325 pp->speed = C_INIT;
326 if (pp->battle == C_STOP || pp->battle == C_INIT) {
327 pp->can_go = TRUE;
328 pp->battle = C_INIT;
329 }
330 if (!pp->can_go && isrepair(pp->battle))
331 pp->can_go = TRUE;
332 }
333 Next = -1;
334 break;
335
336 case C_INIT:
337 error("no card there");
338 Next = -1;
339 break;
340 }
341 if (pp == &Player[PLAYER])
342 account(card);
343 pp->hand[Card_no] = C_INIT;
344 Next = (Next == (bool)-1 ? FALSE : TRUE);
345 return TRUE;
346 }
347
348 void
349 getmove()
350 {
351 char c;
352 #ifdef EXTRAP
353 static bool last_ex = FALSE; /* set if last command was E */
354
355 if (last_ex) {
356 undoex();
357 prboard();
358 last_ex = FALSE;
359 }
360 #endif
361 for (;;) {
362 prompt(MOVEPROMPT);
363 leaveok(Board, FALSE);
364 refresh();
365 while ((c = readch()) == killchar() || c == erasechar())
366 continue;
367 if (islower(c))
368 c = toupper(c);
369 if (isprint(c) && !isspace(c)) {
370 addch(c);
371 refresh();
372 }
373 switch (c) {
374 case 'P': /* Pick */
375 Movetype = M_DRAW;
376 goto ret;
377 case 'U': /* Use Card */
378 case 'D': /* Discard Card */
379 if ((Card_no = getcard()) < 0)
380 break;
381 Movetype = (c == 'U' ? M_PLAY : M_DISCARD);
382 goto ret;
383 case 'O': /* Order */
384 Order = !Order;
385 if (Window == W_SMALL) {
386 if (!Order)
387 mvwaddstr(Score, 12, 21,
388 "o: order hand");
389 else
390 mvwaddstr(Score, 12, 21,
391 "o: stop ordering");
392 wclrtoeol(Score);
393 }
394 Movetype = M_ORDER;
395 goto ret;
396 case 'Q': /* Quit */
397 rub(0); /* Same as a rubout */
398 break;
399 case 'W': /* Window toggle */
400 Window = nextwin(Window);
401 newscore();
402 prscore(TRUE);
403 wrefresh(Score);
404 break;
405 case 'R': /* Redraw screen */
406 case CTRL('L'):
407 wrefresh(curscr);
408 break;
409 case 'S': /* Save game */
410 On_exit = FALSE;
411 save();
412 break;
413 case 'E': /* Extrapolate */
414 #ifdef EXTRAP
415 if (last_ex)
416 break;
417 Finished = TRUE;
418 if (Window != W_FULL)
419 newscore();
420 prscore(FALSE);
421 wrefresh(Score);
422 last_ex = TRUE;
423 Finished = FALSE;
424 #else
425 error("%c: command not implemented", c);
426 #endif
427 break;
428 case '\r': /* Ignore RETURNs and */
429 case '\n': /* Line Feeds */
430 case ' ': /* Spaces */
431 case '\0': /* and nulls */
432 break;
433 #ifdef DEBUG
434 case 'Z': /* Debug code */
435 if (!Debug && outf == NULL) {
436 char buf[MAXPATHLEN];
437
438 prompt(FILEPROMPT);
439 leaveok(Board, FALSE);
440 refresh();
441 sp = buf;
442 while ((*sp = readch()) != '\n') {
443 if (*sp == killchar())
444 goto over;
445 else if (*sp == erasechar()) {
446 if (--sp < buf)
447 sp = buf;
448 else {
449 addch('\b');
450 if (*sp < ' ')
451 addch('\b');
452 clrtoeol();
453 }
454 }
455 else
456 addstr(unctrl(*sp++));
457 refresh();
458 }
459 *sp = '\0';
460 leaveok(Board, TRUE);
461 if ((outf = fopen(buf, "w")) == NULL)
462 warn("%s", buf);
463 setbuf(outf, (char *)NULL);
464 }
465 Debug = !Debug;
466 break;
467 #endif
468 default:
469 error("unknown command: %s", unctrl(c));
470 break;
471 }
472 }
473 ret:
474 leaveok(Board, TRUE);
475 }
476
477 /*
478 * return whether or not the player has picked
479 */
480 int
481 haspicked(pp)
482 PLAY *pp;
483 {
484 int card;
485
486 if (Topcard <= Deck)
487 return TRUE;
488 switch (pp->hand[Card_no]) {
489 case C_GAS_SAFE: case C_SPARE_SAFE:
490 case C_DRIVE_SAFE: case C_RIGHT_WAY:
491 card = 1;
492 break;
493 default:
494 card = 0;
495 break;
496 }
497 return (pp->hand[card] != C_INIT);
498 }
499
500 void
501 account(card)
502 CARD card;
503 {
504 CARD oppos;
505
506 if (card == C_INIT)
507 return;
508 ++Numseen[card];
509 if (Play == COMP)
510 switch (card) {
511 case C_GAS_SAFE:
512 case C_SPARE_SAFE:
513 case C_DRIVE_SAFE:
514 oppos = opposite(card);
515 Numgos += Numcards[oppos] - Numseen[oppos];
516 break;
517 case C_CRASH:
518 case C_FLAT:
519 case C_EMPTY:
520 case C_STOP:
521 Numgos++;
522 break;
523 }
524 }
525
526 void
527 prompt(promptno)
528 int promptno;
529 {
530 static char *names[] = {
531 ">>:Move:",
532 "Really?",
533 "Another hand?",
534 "Another game?",
535 "Save game?",
536 "Same file?",
537 "file:",
538 "Extension?",
539 "Overwrite file?",
540 };
541 static int last_prompt = -1;
542
543 if (promptno == last_prompt)
544 move(MOVE_Y, MOVE_X + strlen(names[promptno]) + 1);
545 else {
546 move(MOVE_Y, MOVE_X);
547 if (promptno == MOVEPROMPT)
548 standout();
549 addstr(names[promptno]);
550 if (promptno == MOVEPROMPT)
551 standend();
552 addch(' ');
553 last_prompt = promptno;
554 }
555 clrtoeol();
556 }
557
558 void
559 sort(hand)
560 CARD *hand;
561 {
562 CARD *cp, *tp;
563 CARD temp;
564
565 cp = hand;
566 hand += HAND_SZ;
567 for ( ; cp < &hand[-1]; cp++)
568 for (tp = cp + 1; tp < hand; tp++)
569 if (*cp > *tp) {
570 temp = *cp;
571 *cp = *tp;
572 *tp = temp;
573 }
574 }
575