mille/move.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 /*static char sccsid[] = "from: @(#)move.c      8.1 (Berkeley) 5/31/93";*/
  36 static char rcsid[] = "$Id: move.c,v 1.3 1994/05/12 17:39:37 jtc Exp $";
  37 #endif /* not lint */
  38
  39 #include <termios.h>
  40
  41 #include        "mille.h"
  42 #ifndef unctrl
  43 #include        "unctrl.h"
  44 #endif
  45
  46 # ifdef attron
  47 #       include <term.h>
  48 #       define  _tty    cur_term->Nttyb
  49 # endif attron
  50
  51 /*
  52  * @(#)move.c   1.2 (Berkeley) 3/28/83
  53  */
  54
  55 #undef  CTRL
  56 #define CTRL(c)         (c - 'A' + 1)
  57
  58 char    *Movenames[] = {
  59                 "M_DISCARD", "M_DRAW", "M_PLAY", "M_ORDER"
  60         };
  61
  62 domove()
  63 {
  64         reg PLAY        *pp;
  65         reg int         i, j;
  66         reg bool        goodplay;
  67
  68         pp = &Player[Play];
  69         if (Play == PLAYER)
  70                 getmove();
  71         else
  72                 calcmove();
  73         Next = FALSE;
  74         goodplay = TRUE;
  75         switch (Movetype) {
  76           case M_DISCARD:
  77                 if (haspicked(pp)) {
  78                         if (pp->hand[Card_no] == C_INIT)
  79                                 if (Card_no == 6)
  80                                         Finished = TRUE;
  81                                 else
  82                                         error("no card there");
  83                         else {
  84                                 if (issafety(pp->hand[Card_no])) {
  85                                         error("discard a safety?");
  86                                         goodplay = FALSE;
  87                                         break;
  88                                 }
  89                                 Discard = pp->hand[Card_no];
  90                                 pp->hand[Card_no] = C_INIT;
  91                                 Next = TRUE;
  92                                 if (Play == PLAYER)
  93                                         account(Discard);
  94                         }
  95                 }
  96                 else
  97                         error("must pick first");
  98                 break;
  99           case M_PLAY:
 100                 goodplay = playcard(pp);
 101                 break;
 102           case M_DRAW:
 103                 Card_no = 0;
 104                 if (Topcard <= Deck)
 105                         error("no more cards");
 106                 else if (haspicked(pp))
 107                         error("already picked");
 108                 else {
 109                         pp->hand[0] = *--Topcard;
 110 #ifdef DEBUG
 111                         if (Debug)
 112                                 fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
 113 #endif
 114 acc:
 115                         if (Play == COMP) {
 116                                 account(*Topcard);
 117                                 if (issafety(*Topcard))
 118                                         pp->safety[*Topcard-S_CONV] = S_IN_HAND;
 119                         }
 120                         if (pp->hand[1] == C_INIT && Topcard > Deck) {
 121                                 Card_no = 1;
 122                                 pp->hand[1] = *--Topcard;
 123 #ifdef DEBUG
 124                                 if (Debug)
 125                                         fprintf(outf, "DOMOVE: Draw %s\n", C_name[*Topcard]);
 126 #endif
 127                                 goto acc;
 128                         }
 129                         pp->new_battle = FALSE;
 130                         pp->new_speed = FALSE;
 131                 }
 132                 break;
 133
 134           case M_ORDER:
 135                 break;
 136         }
 137         /*
 138          * move blank card to top by one of two methods.  If the
 139          * computer's hand was sorted, the randomness for picking
 140          * between equally valued cards would be lost
 141          */
 142         if (Order && Movetype != M_DRAW && goodplay && pp == &Player[PLAYER])
 143                 sort(pp->hand);
 144         else
 145                 for (i = 1; i < HAND_SZ; i++)
 146                         if (pp->hand[i] == C_INIT) {
 147                                 for (j = 0; pp->hand[j] == C_INIT; j++)
 148                                         if (j >= HAND_SZ) {
 149                                                 j = 0;
 150                                                 break;
 151                                         }
 152                                 pp->hand[i] = pp->hand[j];
 153                                 pp->hand[j] = C_INIT;
 154                         }
 155         if (Topcard <= Deck)
 156                 check_go();
 157         if (Next)
 158                 nextplay();
 159 }
 160
 161 /*
 162  *      Check and see if either side can go.  If they cannot,
 163  * the game is over
 164  */
 165 check_go() {
 166
 167         reg CARD        card;
 168         reg PLAY        *pp, *op;
 169         reg int         i;
 170
 171         for (pp = Player; pp < &Player[2]; pp++) {
 172                 op = (pp == &Player[COMP] ? &Player[PLAYER] : &Player[COMP]);
 173                 for (i = 0; i < HAND_SZ; i++) {
 174                         card = pp->hand[i];
 175                         if (issafety(card) || canplay(pp, op, card)) {
 176 #ifdef DEBUG
 177                                 if (Debug) {
 178                                         fprintf(outf, "CHECK_GO: can play %s (%d), ", C_name[card], card);
 179                                         fprintf(outf, "issafety(card) = %d, ", issafety(card));
 180                                         fprintf(outf, "canplay(pp, op, card) = %d\n", canplay(pp, op, card));
 181                                 }
 182 #endif
 183                                 return;
 184                         }
 185 #ifdef DEBUG
 186                         else if (Debug)
 187                                 fprintf(outf, "CHECK_GO: cannot play %s\n",
 188                                     C_name[card]);
 189 #endif
 190                 }
 191         }
 192         Finished = TRUE;
 193 }
 194
 195 playcard(pp)
 196 reg PLAY        *pp;
 197 {
 198         reg int         v;
 199         reg CARD        card;
 200
 201         /*
 202          * check and see if player has picked
 203          */
 204         switch (pp->hand[Card_no]) {
 205           default:
 206                 if (!haspicked(pp))
 207 mustpick:
 208                         return error("must pick first");
 209           case C_GAS_SAFE:      case C_SPARE_SAFE:
 210           case C_DRIVE_SAFE:    case C_RIGHT_WAY:
 211                 break;
 212         }
 213
 214         card = pp->hand[Card_no];
 215 #ifdef DEBUG
 216         if (Debug)
 217                 fprintf(outf, "PLAYCARD: Card = %s\n", C_name[card]);
 218 #endif
 219         Next = FALSE;
 220         switch (card) {
 221           case C_200:
 222                 if (pp->nummiles[C_200] == 2)
 223                         return error("only two 200's per hand");
 224           case C_100:   case C_75:
 225                 if (pp->speed == C_LIMIT)
 226                         return error("limit of 50");
 227           case C_50:
 228                 if (pp->mileage + Value[card] > End)
 229                         return error("puts you over %d", End);
 230           case C_25:
 231                 if (!pp->can_go)
 232                         return error("cannot move now");
 233                 pp->nummiles[card]++;
 234                 v = Value[card];
 235                 pp->total += v;
 236                 pp->hand_tot += v;
 237                 if ((pp->mileage += v) == End)
 238                         check_ext(FALSE);
 239                 break;
 240
 241           case C_GAS:   case C_SPARE:   case C_REPAIRS:
 242                 if (pp->battle != opposite(card))
 243                         return error("can't play \"%s\"", C_name[card]);
 244                 pp->battle = card;
 245                 if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
 246                         pp->can_go = TRUE;
 247                 break;
 248
 249           case C_GO:
 250                 if (pp->battle != C_INIT && pp->battle != C_STOP
 251                     && !isrepair(pp->battle))
 252                         return error("cannot play \"Go\" on a \"%s\"",
 253                             C_name[pp->battle]);
 254                 pp->battle = C_GO;
 255                 pp->can_go = TRUE;
 256                 break;
 257
 258           case C_END_LIMIT:
 259                 if (pp->speed != C_LIMIT)
 260                         return error("not limited");
 261                 pp->speed = C_END_LIMIT;
 262                 break;
 263
 264           case C_EMPTY: case C_FLAT:    case C_CRASH:
 265           case C_STOP:
 266                 pp = &Player[other(Play)];
 267                 if (!pp->can_go)
 268                         return error("opponent cannot go");
 269                 else if (pp->safety[safety(card) - S_CONV] == S_PLAYED)
 270 protected:
 271                         return error("opponent is protected");
 272                 pp->battle = card;
 273                 pp->new_battle = TRUE;
 274                 pp->can_go = FALSE;
 275                 pp = &Player[Play];
 276                 break;
 277
 278           case C_LIMIT:
 279                 pp = &Player[other(Play)];
 280                 if (pp->speed == C_LIMIT)
 281                         return error("opponent has limit");
 282                 if (pp->safety[S_RIGHT_WAY] == S_PLAYED)
 283                         goto protected;
 284                 pp->speed = C_LIMIT;
 285                 pp->new_speed = TRUE;
 286                 pp = &Player[Play];
 287                 break;
 288
 289           case C_GAS_SAFE:      case C_SPARE_SAFE:
 290           case C_DRIVE_SAFE:    case C_RIGHT_WAY:
 291                 if (pp->battle == opposite(card)
 292                     || (card == C_RIGHT_WAY && pp->speed == C_LIMIT)) {
 293                         if (!(card == C_RIGHT_WAY && !isrepair(pp->battle))) {
 294                                 pp->battle = C_GO;
 295                                 pp->can_go = TRUE;
 296                         }
 297                         if (card == C_RIGHT_WAY && pp->speed == C_LIMIT)
 298                                 pp->speed = C_INIT;
 299                         if (pp->new_battle
 300                             || (pp->new_speed && card == C_RIGHT_WAY)) {
 301                                 pp->coups[card - S_CONV] = TRUE;
 302                                 pp->total += SC_COUP;
 303                                 pp->hand_tot += SC_COUP;
 304                                 pp->coupscore += SC_COUP;
 305                         }
 306                 }
 307                 /*
 308                  * if not coup, must pick first
 309                  */
 310                 else if (pp->hand[0] == C_INIT && Topcard > Deck)
 311                         goto mustpick;
 312                 pp->safety[card - S_CONV] = S_PLAYED;
 313                 pp->total += SC_SAFETY;
 314                 pp->hand_tot += SC_SAFETY;
 315                 if ((pp->safescore += SC_SAFETY) == NUM_SAFE * SC_SAFETY) {
 316                         pp->total += SC_ALL_SAFE;
 317                         pp->hand_tot += SC_ALL_SAFE;
 318                 }
 319                 if (card == C_RIGHT_WAY) {
 320                         if (pp->speed == C_LIMIT)
 321                                 pp->speed = C_INIT;
 322                         if (pp->battle == C_STOP || pp->battle == C_INIT) {
 323                                 pp->can_go = TRUE;
 324                                 pp->battle = C_INIT;
 325                         }
 326                         if (!pp->can_go && isrepair(pp->battle))
 327                                 pp->can_go = TRUE;
 328                 }
 329                 Next = -1;
 330                 break;
 331
 332           case C_INIT:
 333                 error("no card there");
 334                 Next = -1;
 335                 break;
 336         }
 337         if (pp == &Player[PLAYER])
 338                 account(card);
 339         pp->hand[Card_no] = C_INIT;
 340         Next = (Next == -1 ? FALSE : TRUE);
 341         return TRUE;
 342 }
 343
 344 getmove()
 345 {
 346         reg char        c, *sp;
 347 #ifdef EXTRAP
 348         static bool     last_ex = FALSE;        /* set if last command was E */
 349
 350         if (last_ex) {
 351                 undoex();
 352                 prboard();
 353                 last_ex = FALSE;
 354         }
 355 #endif
 356         for (;;) {
 357                 prompt(MOVEPROMPT);
 358                 leaveok(Board, FALSE);
 359                 refresh();
 360                 while ((c = readch()) == killchar() || c == erasechar())
 361                         continue;
 362                 if (islower(c))
 363                         c = toupper(c);
 364                 if (isprint(c) && !isspace(c)) {
 365                         addch(c);
 366                         refresh();
 367                 }
 368                 switch (c) {
 369                   case 'P':             /* Pick */
 370                         Movetype = M_DRAW;
 371                         goto ret;
 372                   case 'U':             /* Use Card */
 373                   case 'D':             /* Discard Card */
 374                         if ((Card_no = getcard()) < 0)
 375                                 break;
 376                         Movetype = (c == 'U' ? M_PLAY : M_DISCARD);
 377                         goto ret;
 378                   case 'O':             /* Order */
 379                         Order = !Order;
 380                         if (Window == W_SMALL) {
 381                                 if (!Order)
 382                                         mvwaddstr(Score, 12, 21,
 383                                                   "o: order hand");
 384                                 else
 385                                         mvwaddstr(Score, 12, 21,
 386                                                   "o: stop ordering");
 387                                 wclrtoeol(Score);
 388                         }
 389                         Movetype = M_ORDER;
 390                         goto ret;
 391                   case 'Q':             /* Quit */
 392                         rub();          /* Same as a rubout */
 393                         break;
 394                   case 'W':             /* Window toggle */
 395                         Window = nextwin(Window);
 396                         newscore();
 397                         prscore(TRUE);
 398                         wrefresh(Score);
 399                         break;
 400                   case 'R':             /* Redraw screen */
 401                   case CTRL('L'):
 402                         wrefresh(curscr);
 403                         break;
 404                   case 'S':             /* Save game */
 405                         On_exit = FALSE;
 406                         save();
 407                         break;
 408                   case 'E':             /* Extrapolate */
 409 #ifdef EXTRAP
 410                         if (last_ex)
 411                                 break;
 412                         Finished = TRUE;
 413                         if (Window != W_FULL)
 414                                 newscore();
 415                         prscore(FALSE);
 416                         wrefresh(Score);
 417                         last_ex = TRUE;
 418                         Finished = FALSE;
 419 #else
 420                         error("%c: command not implemented", c);
 421 #endif
 422                         break;
 423                   case '\r':            /* Ignore RETURNs and   */
 424                   case '\n':            /* Line Feeds           */
 425                   case ' ':             /* Spaces               */
 426                   case '\0':            /* and nulls            */
 427                         break;
 428 #ifdef DEBUG
 429                   case 'Z':             /* Debug code */
 430                         if (!Debug && outf == NULL) {
 431                                 char    buf[MAXPATHLEN];
 432
 433                                 prompt(FILEPROMPT);
 434                                 leaveok(Board, FALSE);
 435                                 refresh();
 436                                 sp = buf;
 437                                 while ((*sp = readch()) != '\n') {
 438                                         if (*sp == killchar())
 439                                                 goto over;
 440                                         else if (*sp == erasechar()) {
 441                                                 if (--sp < buf)
 442                                                         sp = buf;
 443                                                 else {
 444                                                         addch('\b');
 445                                                         if (*sp < ' ')
 446                                                             addch('\b');
 447                                                         clrtoeol();
 448                                                 }
 449                                         }
 450                                         else
 451                                                 addstr(unctrl(*sp++));
 452                                         refresh();
 453                                 }
 454                                 *sp = '\0';
 455                                 leaveok(Board, TRUE);
 456                                 if ((outf = fopen(buf, "w")) == NULL)
 457                                         perror(buf);
 458                                 setbuf(outf, (char *)NULL);
 459                         }
 460                         Debug = !Debug;
 461                         break;
 462 #endif
 463                   default:
 464                         error("unknown command: %s", unctrl(c));
 465                         break;
 466                 }
 467         }
 468 ret:
 469         leaveok(Board, TRUE);
 470 }
 471 /*
 472  * return whether or not the player has picked
 473  */
 474 haspicked(pp)
 475 reg PLAY        *pp; {
 476
 477         reg int card;
 478
 479         if (Topcard <= Deck)
 480                 return TRUE;
 481         switch (pp->hand[Card_no]) {
 482           case C_GAS_SAFE:      case C_SPARE_SAFE:
 483           case C_DRIVE_SAFE:    case C_RIGHT_WAY:
 484                 card = 1;
 485                 break;
 486           default:
 487                 card = 0;
 488                 break;
 489         }
 490         return (pp->hand[card] != C_INIT);
 491 }
 492
 493 account(card)
 494 reg CARD        card; {
 495
 496         reg CARD        oppos;
 497
 498         if (card == C_INIT)
 499                 return;
 500         ++Numseen[card];
 501         if (Play == COMP)
 502                 switch (card) {
 503                   case C_GAS_SAFE:
 504                   case C_SPARE_SAFE:
 505                   case C_DRIVE_SAFE:
 506                         oppos = opposite(card);
 507                         Numgos += Numcards[oppos] - Numseen[oppos];
 508                         break;
 509                   case C_CRASH:
 510                   case C_FLAT:
 511                   case C_EMPTY:
 512                   case C_STOP:
 513                         Numgos++;
 514                         break;
 515                 }
 516 }
 517
 518 prompt(promptno)
 519 int     promptno;
 520 {
 521         static char     *names[] = {
 522                                 ">>:Move:",
 523                                 "Really?",
 524                                 "Another hand?",
 525                                 "Another game?",
 526                                 "Save game?",
 527                                 "Same file?",
 528                                 "file:",
 529                                 "Extension?",
 530                                 "Overwrite file?",
 531                         };
 532         static int      last_prompt = -1;
 533
 534         if (promptno == last_prompt)
 535                 move(MOVE_Y, MOVE_X + strlen(names[promptno]) + 1);
 536         else {
 537                 move(MOVE_Y, MOVE_X);
 538                 if (promptno == MOVEPROMPT)
 539                         standout();
 540                 addstr(names[promptno]);
 541                 if (promptno == MOVEPROMPT)
 542                         standend();
 543                 addch(' ');
 544                 last_prompt = promptno;
 545         }
 546         clrtoeol();
 547 }
 548
 549 sort(hand)
 550 reg CARD        *hand;
 551 {
 552         reg CARD        *cp, *tp;
 553         reg CARD        temp;
 554
 555         cp = hand;
 556         hand += HAND_SZ;
 557         for ( ; cp < &hand[-1]; cp++)
 558                 for (tp = cp + 1; tp < hand; tp++)
 559                         if (*cp > *tp) {
 560                                 temp = *cp;
 561                                 *cp = *tp;
 562                                 *tp = temp;
 563                         }
 564 }
 565