1 /* $NetBSD: main.c,v 1.3 1997/01/03 01:35:28 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #ifndef lint 40 static char copyright[] = 41 "@(#) Copyright (c) 1994\n\ 42 The Regents of the University of California. All rights reserved.\n"; 43 #endif /* not lint */ 44 45 #ifndef lint 46 #if 0 47 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 48 #else 49 static char rcsid[] = "$NetBSD: main.c,v 1.3 1997/01/03 01:35:28 cgd Exp $"; 50 #endif 51 #endif /* not lint */ 52 53 #include <curses.h> 54 #include <err.h> 55 #include <signal.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 #include "gomoku.h" 62 63 #define USER 0 /* get input from standard input */ 64 #define PROGRAM 1 /* get input from program */ 65 #define INPUTF 2 /* get input from a file */ 66 67 int interactive = 1; /* true if interactive */ 68 int debug; /* true if debugging */ 69 int test; /* both moves come from 1: input, 2: computer */ 70 char *prog; /* name of program */ 71 FILE *debugfp; /* file for debug output */ 72 FILE *inputfp; /* file for debug input */ 73 74 char pdir[4] = "-\\|/"; 75 char fmtbuf[128]; 76 77 struct spotstr board[BAREA]; /* info for board */ 78 struct combostr frames[FAREA]; /* storage for all frames */ 79 struct combostr *sortframes[2]; /* sorted list of non-empty frames */ 80 u_char overlap[FAREA * FAREA]; /* true if frame [a][b] overlap */ 81 short intersect[FAREA * FAREA]; /* frame [a][b] intersection */ 82 int movelog[BSZ * BSZ]; /* log of all the moves */ 83 int movenum; /* current move number */ 84 char *plyr[2]; /* who's who */ 85 86 extern void quit(); 87 #ifdef DEBUG 88 extern void whatsup(); 89 #endif 90 91 main(argc, argv) 92 int argc; 93 char **argv; 94 { 95 char buf[128]; 96 int color, curmove, i, ch; 97 int input[2]; 98 static char *fmt[2] = { 99 "%3d %-6s", 100 "%3d %-6s" 101 }; 102 103 prog = strrchr(argv[0], '/'); 104 if (prog) 105 prog++; 106 else 107 prog = argv[0]; 108 109 while ((ch = getopt(argc, argv, "bcdD:u")) != EOF) { 110 switch (ch) { 111 case 'b': /* background */ 112 interactive = 0; 113 break; 114 case 'd': /* debugging */ 115 debug++; 116 break; 117 case 'D': /* log debug output to file */ 118 if ((debugfp = fopen(optarg, "w")) == NULL) 119 err(1, "%s", optarg); 120 break; 121 case 'u': /* testing: user verses user */ 122 test = 1; 123 break; 124 case 'c': /* testing: computer verses computer */ 125 test = 2; 126 break; 127 } 128 } 129 argc -= optind; 130 argv += optind; 131 if (argc) { 132 if ((inputfp = fopen(*argv, "r")) == NULL) 133 err(1, "%s", *argv); 134 } 135 136 if (!debug) 137 #ifdef SVR4 138 srand(time(0)); 139 #else 140 srandom(time(0)); 141 #endif 142 if (interactive) 143 cursinit(); /* initialize curses */ 144 again: 145 bdinit(board); /* initialize board contents */ 146 147 if (interactive) { 148 plyr[BLACK] = plyr[WHITE] = "???"; 149 bdisp_init(); /* initialize display of board */ 150 #ifdef DEBUG 151 signal(SIGINT, whatsup); 152 #else 153 signal(SIGINT, quit); 154 #endif 155 156 if (inputfp == NULL && test == 0) { 157 for (;;) { 158 ask("black or white? "); 159 getline(buf, sizeof(buf)); 160 if (buf[0] == 'b' || buf[0] == 'B') { 161 color = BLACK; 162 break; 163 } 164 if (buf[0] == 'w' || buf[0] == 'W') { 165 color = WHITE; 166 break; 167 } 168 move(22, 0); 169 printw("Black moves first. Please enter `black' or `white'\n"); 170 } 171 move(22, 0); 172 clrtoeol(); 173 } 174 } else { 175 setbuf(stdout, 0); 176 getline(buf, sizeof(buf)); 177 if (strcmp(buf, "black") == 0) 178 color = BLACK; 179 else if (strcmp(buf, "white") == 0) 180 color = WHITE; 181 else { 182 sprintf(fmtbuf, 183 "Huh? Expected `black' or `white', got `%s'\n", 184 buf); 185 panic(fmtbuf); 186 } 187 } 188 189 if (inputfp) { 190 input[BLACK] = INPUTF; 191 input[WHITE] = INPUTF; 192 } else { 193 switch (test) { 194 case 0: /* user verses program */ 195 input[color] = USER; 196 input[!color] = PROGRAM; 197 break; 198 199 case 1: /* user verses user */ 200 input[BLACK] = USER; 201 input[WHITE] = USER; 202 break; 203 204 case 2: /* program verses program */ 205 input[BLACK] = PROGRAM; 206 input[WHITE] = PROGRAM; 207 break; 208 } 209 } 210 if (interactive) { 211 plyr[BLACK] = input[BLACK] == USER ? "you" : prog; 212 plyr[WHITE] = input[WHITE] == USER ? "you" : prog; 213 bdwho(1); 214 } 215 216 for (color = BLACK; ; color = !color) { 217 top: 218 switch (input[color]) { 219 case INPUTF: /* input comes from a file */ 220 curmove = readinput(inputfp); 221 if (curmove != ILLEGAL) 222 break; 223 switch (test) { 224 case 0: /* user verses program */ 225 input[color] = USER; 226 input[!color] = PROGRAM; 227 break; 228 229 case 1: /* user verses user */ 230 input[BLACK] = USER; 231 input[WHITE] = USER; 232 break; 233 234 case 2: /* program verses program */ 235 input[BLACK] = PROGRAM; 236 input[WHITE] = PROGRAM; 237 break; 238 } 239 plyr[BLACK] = input[BLACK] == USER ? "you" : prog; 240 plyr[WHITE] = input[WHITE] == USER ? "you" : prog; 241 bdwho(1); 242 goto top; 243 244 case USER: /* input comes from standard input */ 245 getinput: 246 if (interactive) 247 ask("move? "); 248 if (!getline(buf, sizeof(buf))) { 249 curmove = RESIGN; 250 break; 251 } 252 if (buf[0] == '\0') 253 goto getinput; 254 curmove = ctos(buf); 255 if (interactive) { 256 if (curmove == SAVE) { 257 FILE *fp; 258 259 ask("save file name? "); 260 (void)getline(buf, sizeof(buf)); 261 if ((fp = fopen(buf, "w")) == NULL) { 262 log("cannot create save file"); 263 goto getinput; 264 } 265 for (i = 0; i < movenum - 1; i++) 266 fprintf(fp, "%s\n", 267 stoc(movelog[i])); 268 fclose(fp); 269 goto getinput; 270 } 271 if (curmove != RESIGN && 272 board[curmove].s_occ != EMPTY) { 273 log("Illegal move"); 274 goto getinput; 275 } 276 } 277 break; 278 279 case PROGRAM: /* input comes from the program */ 280 curmove = pickmove(color); 281 break; 282 } 283 if (interactive) { 284 sprintf(fmtbuf, fmt[color], movenum, stoc(curmove)); 285 log(fmtbuf); 286 } 287 if ((i = makemove(color, curmove)) != MOVEOK) 288 break; 289 if (interactive) 290 bdisp(); 291 } 292 if (interactive) { 293 move(22, 0); 294 switch (i) { 295 case WIN: 296 if (input[color] == PROGRAM) 297 addstr("Ha ha, I won"); 298 else 299 addstr("Rats! you won"); 300 break; 301 case TIE: 302 addstr("Wow! its a tie"); 303 break; 304 case ILLEGAL: 305 addstr("Illegal move"); 306 break; 307 } 308 clrtoeol(); 309 bdisp(); 310 if (i != RESIGN) { 311 replay: 312 ask("replay? "); 313 if (getline(buf, sizeof(buf)) && 314 buf[0] == 'y' || buf[0] == 'Y') 315 goto again; 316 if (strcmp(buf, "save") == 0) { 317 FILE *fp; 318 319 ask("save file name? "); 320 (void)getline(buf, sizeof(buf)); 321 if ((fp = fopen(buf, "w")) == NULL) { 322 log("cannot create save file"); 323 goto replay; 324 } 325 for (i = 0; i < movenum - 1; i++) 326 fprintf(fp, "%s\n", 327 stoc(movelog[i])); 328 fclose(fp); 329 goto replay; 330 } 331 } 332 } 333 quit(); 334 } 335 336 readinput(fp) 337 FILE *fp; 338 { 339 char *cp; 340 int c; 341 342 cp = fmtbuf; 343 while ((c = getc(fp)) != EOF && c != '\n') 344 *cp++ = c; 345 *cp = '\0'; 346 return (ctos(fmtbuf)); 347 } 348 349 #ifdef DEBUG 350 /* 351 * Handle strange situations. 352 */ 353 void 354 whatsup(signum) 355 int signum; 356 { 357 int i, pnum, n, s1, s2, d1, d2; 358 struct spotstr *sp; 359 FILE *fp; 360 char *str; 361 struct elist *ep; 362 struct combostr *cbp; 363 364 if (!interactive) 365 quit(); 366 top: 367 ask("cmd? "); 368 if (!getline(fmtbuf, sizeof(fmtbuf))) 369 quit(); 370 switch (*fmtbuf) { 371 case '\0': 372 goto top; 373 case 'q': /* conservative quit */ 374 quit(); 375 case 'd': /* set debug level */ 376 debug = fmtbuf[1] - '0'; 377 sprintf(fmtbuf, "Debug set to %d", debug); 378 dlog(fmtbuf); 379 sleep(1); 380 case 'c': 381 break; 382 case 'b': /* back up a move */ 383 if (movenum > 1) { 384 movenum--; 385 board[movelog[movenum - 1]].s_occ = EMPTY; 386 bdisp(); 387 } 388 goto top; 389 case 's': /* suggest a move */ 390 i = fmtbuf[1] == 'b' ? BLACK : WHITE; 391 sprintf(fmtbuf, "suggest %c %s", i == BLACK ? 'B' : 'W', 392 stoc(pickmove(i))); 393 dlog(fmtbuf); 394 goto top; 395 case 'f': /* go forward a move */ 396 board[movelog[movenum - 1]].s_occ = movenum & 1 ? BLACK : WHITE; 397 movenum++; 398 bdisp(); 399 goto top; 400 case 'l': /* print move history */ 401 if (fmtbuf[1] == '\0') { 402 for (i = 0; i < movenum - 1; i++) 403 dlog(stoc(movelog[i])); 404 goto top; 405 } 406 if ((fp = fopen(fmtbuf + 1, "w")) == NULL) 407 goto top; 408 for (i = 0; i < movenum - 1; i++) { 409 fprintf(fp, "%s", stoc(movelog[i])); 410 if (++i < movenum - 1) 411 fprintf(fp, " %s\n", stoc(movelog[i])); 412 else 413 fputc('\n', fp); 414 } 415 bdump(fp); 416 fclose(fp); 417 goto top; 418 case 'o': 419 n = 0; 420 for (str = fmtbuf + 1; *str; str++) 421 if (*str == ',') { 422 for (d1 = 0; d1 < 4; d1++) 423 if (str[-1] == pdir[d1]) 424 break; 425 str[-1] = '\0'; 426 sp = &board[s1 = ctos(fmtbuf + 1)]; 427 n = (sp->s_frame[d1] - frames) * FAREA; 428 *str++ = '\0'; 429 break; 430 } 431 sp = &board[s2 = ctos(str)]; 432 while (*str) 433 str++; 434 for (d2 = 0; d2 < 4; d2++) 435 if (str[-1] == pdir[d2]) 436 break; 437 n += sp->s_frame[d2] - frames; 438 str = fmtbuf; 439 sprintf(str, "overlap %s%c,", stoc(s1), pdir[d1]); 440 str += strlen(str); 441 sprintf(str, "%s%c = %x", stoc(s2), pdir[d2], overlap[n]); 442 dlog(fmtbuf); 443 goto top; 444 case 'p': 445 sp = &board[i = ctos(fmtbuf + 1)]; 446 sprintf(fmtbuf, "V %s %x/%d %d %x/%d %d %d %x", stoc(i), 447 sp->s_combo[BLACK].s, sp->s_level[BLACK], 448 sp->s_nforce[BLACK], 449 sp->s_combo[WHITE].s, sp->s_level[WHITE], 450 sp->s_nforce[WHITE], sp->s_wval, sp->s_flg); 451 dlog(fmtbuf); 452 sprintf(fmtbuf, "FB %s %x %x %x %x", stoc(i), 453 sp->s_fval[BLACK][0].s, sp->s_fval[BLACK][1].s, 454 sp->s_fval[BLACK][2].s, sp->s_fval[BLACK][3].s); 455 dlog(fmtbuf); 456 sprintf(fmtbuf, "FW %s %x %x %x %x", stoc(i), 457 sp->s_fval[WHITE][0].s, sp->s_fval[WHITE][1].s, 458 sp->s_fval[WHITE][2].s, sp->s_fval[WHITE][3].s); 459 dlog(fmtbuf); 460 goto top; 461 case 'e': /* e {b|w} [0-9] spot */ 462 str = fmtbuf + 1; 463 if (*str >= '0' && *str <= '9') 464 n = *str++ - '0'; 465 else 466 n = 0; 467 sp = &board[i = ctos(str)]; 468 for (ep = sp->s_empty; ep; ep = ep->e_next) { 469 cbp = ep->e_combo; 470 if (n) { 471 if (cbp->c_nframes > n) 472 continue; 473 if (cbp->c_nframes != n) 474 break; 475 } 476 printcombo(cbp, fmtbuf); 477 dlog(fmtbuf); 478 } 479 goto top; 480 default: 481 syntax: 482 dlog("Options are:"); 483 dlog("q - quit"); 484 dlog("c - continue"); 485 dlog("d# - set debug level to #"); 486 dlog("p# - print values at #"); 487 goto top; 488 } 489 } 490 #endif /* DEBUG */ 491 492 /* 493 * Display debug info. 494 */ 495 dlog(str) 496 char *str; 497 { 498 499 if (debugfp) 500 fprintf(debugfp, "%s\n", str); 501 if (interactive) 502 dislog(str); 503 else 504 fprintf(stderr, "%s\n", str); 505 } 506 507 log(str) 508 char *str; 509 { 510 511 if (debugfp) 512 fprintf(debugfp, "%s\n", str); 513 if (interactive) 514 dislog(str); 515 else 516 printf("%s\n", str); 517 } 518 519 void 520 quit() 521 { 522 if (interactive) { 523 bdisp(); /* show final board */ 524 cursfini(); 525 } 526 exit(0); 527 } 528 529 /* 530 * Die gracefully. 531 */ 532 panic(str) 533 char *str; 534 { 535 fprintf(stderr, "%s: %s\n", prog, str); 536 fputs("resign\n", stdout); 537 quit(); 538 } 539