move.c revision 1.6 1 /* $NetBSD: move.c,v 1.6 1997/05/23 23:09:41 jtc 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 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
39 #else
40 static char rcsid[] = "$NetBSD: move.c,v 1.6 1997/05/23 23:09:41 jtc Exp $";
41 #endif
42 #endif /* not lint */
43
44 #include <termios.h>
45
46 #include "mille.h"
47 #ifndef unctrl
48 #include "unctrl.h"
49 #endif
50
51 # ifdef attron
52 # include <term.h>
53 # endif attron
54
55 /*
56 * @(#)move.c 1.2 (Berkeley) 3/28/83
57 */
58
59 #undef CTRL
60 #define CTRL(c) (c - 'A' + 1)
61
62 char *Movenames[] = {
63 "M_DISCARD", "M_DRAW", "M_PLAY", "M_ORDER"
64 };
65
66 domove()
67 {
68 register PLAY *pp;
69 register int i, j;
70 register bool goodplay;
71
72 pp = &Player[Play];
73 if (Play == PLAYER)
74 getmove();
75 else
76 calcmove();
77 Next = FALSE;
78 goodplay = TRUE;
79 switch (Movetype) {
80 case M_DISCARD:
81 if (haspicked(pp)) {
82 if (pp->hand[Card_no] == C_INIT)
83 if (Card_no == 6)
84 Finished = TRUE;
85 else
86 error("no card there");
87 else {
88 if (issafety(pp->hand[Card_no])) {
89 error("discard a safety?");
90 goodplay = FALSE;
91 break;
92 }
93 Discard = pp->hand[Card_no];
94 pp->hand[Card_no] = C_INIT;
95 Next = TRUE;
96 if (Play == PLAYER)
97 account(Discard);
98 }
99 }
100 else
101 error("must pick first");
102 break;
103 case M_PLAY:
104 goodplay = playcard(pp);
105 break;
106 case M_DRAW:
107 Card_no = 0;
108 if (Topcard <= Deck)
109 error("no more cards");
110 else if (haspicked(pp))
111 error("already picked");
112 else {
113 pp->hand[0] = *--Topcard;
114 #ifdef DEBUG
115 if (Debug)
116 fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
117 #endif
118 acc:
119 if (Play == COMP) {
120 account(*Topcard);
121 if (issafety(*Topcard))
122 pp->safety[*Topcard-S_CONV] = S_IN_HAND;
123 }
124 if (pp->hand[1] == C_INIT && Topcard > Deck) {
125 Card_no = 1;
126 pp->hand[1] = *--Topcard;
127 #ifdef DEBUG
128 if (Debug)
129 fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
130 #endif
131 goto acc;
132 }
133 pp->new_battle = FALSE;
134 pp->new_speed = FALSE;
135 }
136 break;
137
138 case M_ORDER:
139 break;
140 }
141 /*
142 * move blank card to top by one of two methods. If the
143 * computer's hand was sorted, the randomness for picking
144 * between equally valued cards would be lost
145 */
146 if (Order && Movetype != M_DRAW && goodplay && pp == &Player[PLAYER])
147 sort(pp->hand);
148 else
149 for (i = 1; i < HAND_SZ; i++)
150 if (pp->hand[i] == C_INIT) {
151 for (j = 0; pp->hand[j] == C_INIT; j++)
152 if (j >= HAND_SZ) {
153 j = 0;
154 break;
155 }
156 pp->hand[i] = pp->hand[j];
157 pp->hand[j] = C_INIT;
158 }
159 if (Topcard <= Deck)
160 check_go();
161 if (Next)
162 nextplay();
163 }
164
165 /*
166 * Check and see if either side can go. If they cannot,
167 * the game is over
168 */
169 check_go() {
170
171 register CARD card;
172 register PLAY *pp, *op;
173 register int i;
174
175 for (pp = Player; pp < &Player[2]; pp++) {
176 op = (pp == &Player[COMP] ? &Player[PLAYER] : &Player[COMP]);
177 for (i = 0; i < HAND_SZ; i++) {
178 card = pp->hand[i];
179 if (issafety(card) || canplay(pp, op, card)) {
180 #ifdef DEBUG
181 if (Debug) {
182 fprintf(outf, "CHECK_GO: can play %s (%d), ", C_name[card], card);
183 fprintf(outf, "issafety(card) = %d, ", issafety(card));
184 fprintf(outf, "canplay(pp, op, card) = %d\n", canplay(pp, op, card));
185 }
186 #endif
187 return;
188 }
189 #ifdef DEBUG
190 else if (Debug)
191 fprintf(outf, "CHECK_GO: cannot play %s\n",
192 C_name[card]);
193 #endif
194 }
195 }
196 Finished = TRUE;
197 }
198
199 playcard(pp)
200 register PLAY *pp;
201 {
202 register int v;
203 register 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 getmove()
349 {
350 register char c, *sp;
351 #ifdef EXTRAP
352 static bool last_ex = FALSE; /* set if last command was E */
353
354 if (last_ex) {
355 undoex();
356 prboard();
357 last_ex = FALSE;
358 }
359 #endif
360 for (;;) {
361 prompt(MOVEPROMPT);
362 leaveok(Board, FALSE);
363 refresh();
364 while ((c = readch()) == killchar() || c == erasechar())
365 continue;
366 if (islower(c))
367 c = toupper(c);
368 if (isprint(c) && !isspace(c)) {
369 addch(c);
370 refresh();
371 }
372 switch (c) {
373 case 'P': /* Pick */
374 Movetype = M_DRAW;
375 goto ret;
376 case 'U': /* Use Card */
377 case 'D': /* Discard Card */
378 if ((Card_no = getcard()) < 0)
379 break;
380 Movetype = (c == 'U' ? M_PLAY : M_DISCARD);
381 goto ret;
382 case 'O': /* Order */
383 Order = !Order;
384 if (Window == W_SMALL) {
385 if (!Order)
386 mvwaddstr(Score, 12, 21,
387 "o: order hand");
388 else
389 mvwaddstr(Score, 12, 21,
390 "o: stop ordering");
391 wclrtoeol(Score);
392 }
393 Movetype = M_ORDER;
394 goto ret;
395 case 'Q': /* Quit */
396 rub(); /* Same as a rubout */
397 break;
398 case 'W': /* Window toggle */
399 Window = nextwin(Window);
400 newscore();
401 prscore(TRUE);
402 wrefresh(Score);
403 break;
404 case 'R': /* Redraw screen */
405 case CTRL('L'):
406 wrefresh(curscr);
407 break;
408 case 'S': /* Save game */
409 On_exit = FALSE;
410 save();
411 break;
412 case 'E': /* Extrapolate */
413 #ifdef EXTRAP
414 if (last_ex)
415 break;
416 Finished = TRUE;
417 if (Window != W_FULL)
418 newscore();
419 prscore(FALSE);
420 wrefresh(Score);
421 last_ex = TRUE;
422 Finished = FALSE;
423 #else
424 error("%c: command not implemented", c);
425 #endif
426 break;
427 case '\r': /* Ignore RETURNs and */
428 case '\n': /* Line Feeds */
429 case ' ': /* Spaces */
430 case '\0': /* and nulls */
431 break;
432 #ifdef DEBUG
433 case 'Z': /* Debug code */
434 if (!Debug && outf == NULL) {
435 char buf[MAXPATHLEN];
436
437 prompt(FILEPROMPT);
438 leaveok(Board, FALSE);
439 refresh();
440 sp = buf;
441 while ((*sp = readch()) != '\n') {
442 if (*sp == killchar())
443 goto over;
444 else if (*sp == erasechar()) {
445 if (--sp < buf)
446 sp = buf;
447 else {
448 addch('\b');
449 if (*sp < ' ')
450 addch('\b');
451 clrtoeol();
452 }
453 }
454 else
455 addstr(unctrl(*sp++));
456 refresh();
457 }
458 *sp = '\0';
459 leaveok(Board, TRUE);
460 if ((outf = fopen(buf, "w")) == NULL)
461 perror(buf);
462 setbuf(outf, (char *)NULL);
463 }
464 Debug = !Debug;
465 break;
466 #endif
467 default:
468 error("unknown command: %s", unctrl(c));
469 break;
470 }
471 }
472 ret:
473 leaveok(Board, TRUE);
474 }
475 /*
476 * return whether or not the player has picked
477 */
478 haspicked(pp)
479 register PLAY *pp;
480 {
481 register int card;
482
483 if (Topcard <= Deck)
484 return TRUE;
485 switch (pp->hand[Card_no]) {
486 case C_GAS_SAFE: case C_SPARE_SAFE:
487 case C_DRIVE_SAFE: case C_RIGHT_WAY:
488 card = 1;
489 break;
490 default:
491 card = 0;
492 break;
493 }
494 return (pp->hand[card] != C_INIT);
495 }
496
497 account(card)
498 register CARD card;
499 {
500 register CARD oppos;
501
502 if (card == C_INIT)
503 return;
504 ++Numseen[card];
505 if (Play == COMP)
506 switch (card) {
507 case C_GAS_SAFE:
508 case C_SPARE_SAFE:
509 case C_DRIVE_SAFE:
510 oppos = opposite(card);
511 Numgos += Numcards[oppos] - Numseen[oppos];
512 break;
513 case C_CRASH:
514 case C_FLAT:
515 case C_EMPTY:
516 case C_STOP:
517 Numgos++;
518 break;
519 }
520 }
521
522 prompt(promptno)
523 int promptno;
524 {
525 static char *names[] = {
526 ">>:Move:",
527 "Really?",
528 "Another hand?",
529 "Another game?",
530 "Save game?",
531 "Same file?",
532 "file:",
533 "Extension?",
534 "Overwrite file?",
535 };
536 static int last_prompt = -1;
537
538 if (promptno == last_prompt)
539 move(MOVE_Y, MOVE_X + strlen(names[promptno]) + 1);
540 else {
541 move(MOVE_Y, MOVE_X);
542 if (promptno == MOVEPROMPT)
543 standout();
544 addstr(names[promptno]);
545 if (promptno == MOVEPROMPT)
546 standend();
547 addch(' ');
548 last_prompt = promptno;
549 }
550 clrtoeol();
551 }
552
553 sort(hand)
554 register CARD *hand;
555 {
556 register CARD *cp, *tp;
557 register CARD temp;
558
559 cp = hand;
560 hand += HAND_SZ;
561 for ( ; cp < &hand[-1]; cp++)
562 for (tp = cp + 1; tp < hand; tp++)
563 if (*cp > *tp) {
564 temp = *cp;
565 *cp = *tp;
566 *tp = temp;
567 }
568 }
569
570