| 1 | /* |
| 2 | * bs.c - original author: Bruce Holloway |
| 3 | * salvo option by: Chuck A DeGaul |
| 4 | * with improved user interface, autoconfiguration and code cleanup |
| 5 | * by Eric S. Raymond <esr@snark.thyrsus.com> |
| 6 | * v1.2 with color support and minor portability fixes, November 1990 |
| 7 | * v2.0 featuring strict ANSI/POSIX conformance, November 1993. |
| 8 | * |
| 9 | * $FreeBSD: src/games/bs/bs.c,v 1.9 2000/02/21 03:07:31 billf Exp $ |
| 10 | * $DragonFly: src/games/bs/bs.c,v 1.5 2005/03/15 20:53:37 dillon Exp $ |
| 11 | */ |
| 12 | |
| 13 | #include <assert.h> |
| 14 | #include <ctype.h> |
| 15 | #include <ncurses.h> |
| 16 | #include <signal.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | #include <time.h> |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | #ifndef A_UNDERLINE /* BSD curses */ |
| 23 | #define beep() write(1,"\007",1); |
| 24 | #define cbreak crmode |
| 25 | #define saveterm savetty |
| 26 | #define resetterm resetty |
| 27 | #define nocbreak nocrmode |
| 28 | #define strchr index |
| 29 | #endif /* !A_UNDERLINE */ |
| 30 | |
| 31 | |
| 32 | /* |
| 33 | * Constants for tuning the random-fire algorithm. It prefers moves that |
| 34 | * diagonal-stripe the board with a stripe separation of srchstep. If |
| 35 | * no such preferred moves are found, srchstep is decremented. |
| 36 | */ |
| 37 | #define BEGINSTEP 3 /* initial value of srchstep */ |
| 38 | |
| 39 | /* miscellaneous constants */ |
| 40 | #define SHIPTYPES 5 |
| 41 | #define OTHER (1-turn) |
| 42 | #define PLAYER 0 |
| 43 | #define COMPUTER 1 |
| 44 | #define MARK_HIT 'H' |
| 45 | #define MARK_MISS 'o' |
| 46 | #define CTRLC '\003' /* used as terminate command */ |
| 47 | #define FF '\014' /* used as redraw command */ |
| 48 | |
| 49 | /* coordinate handling */ |
| 50 | #define BWIDTH 10 |
| 51 | #define BDEPTH 10 |
| 52 | |
| 53 | /* display symbols */ |
| 54 | #define SHOWHIT '*' |
| 55 | #define SHOWSPLASH ' ' |
| 56 | #define IS_SHIP(c) isupper(c) |
| 57 | |
| 58 | /* how to position us on player board */ |
| 59 | #define PYBASE 3 |
| 60 | #define PXBASE 3 |
| 61 | #define PY(y) (PYBASE + (y)) |
| 62 | #define PX(x) (PXBASE + (x)*3) |
| 63 | #define pgoto(y, x) move(PY(y), PX(x)) |
| 64 | |
| 65 | /* how to position us on cpu board */ |
| 66 | #define CYBASE 3 |
| 67 | #define CXBASE 48 |
| 68 | #define CY(y) (CYBASE + (y)) |
| 69 | #define CX(x) (CXBASE + (x)*3) |
| 70 | #define cgoto(y, x) move(CY(y), CX(x)) |
| 71 | |
| 72 | #define ONBOARD(x, y) (x >= 0 && x < BWIDTH && y >= 0 && y < BDEPTH) |
| 73 | |
| 74 | /* other board locations */ |
| 75 | #define COLWIDTH 80 |
| 76 | #define PROMPTLINE 21 /* prompt line */ |
| 77 | #define SYBASE CYBASE + BDEPTH + 3 /* move key diagram */ |
| 78 | #define SXBASE 63 |
| 79 | #define MYBASE SYBASE - 1 /* diagram caption */ |
| 80 | #define MXBASE 64 |
| 81 | #define HYBASE SYBASE - 1 /* help area */ |
| 82 | #define HXBASE 0 |
| 83 | |
| 84 | /* this will need to be changed if BWIDTH changes */ |
| 85 | static char numbers[] = " 0 1 2 3 4 5 6 7 8 9"; |
| 86 | |
| 87 | static char carrier[] = "Aircraft Carrier"; |
| 88 | static char battle[] = "Battleship"; |
| 89 | static char sub[] = "Submarine"; |
| 90 | static char destroy[] = "Destroyer"; |
| 91 | static char ptboat[] = "PT Boat"; |
| 92 | |
| 93 | static char name[40]; |
| 94 | static char dftname[] = "stranger"; |
| 95 | |
| 96 | /* direction constants */ |
| 97 | enum directions { E, SE, S, SW, W, NW, N, NE }; |
| 98 | static int xincr[8] = {1, 1, 0, -1, -1, -1, 0, 1}; |
| 99 | static int yincr[8] = {0, 1, 1, 1, 0, -1, -1, -1}; |
| 100 | |
| 101 | /* current ship position and direction */ |
| 102 | static int curx = (BWIDTH / 2); |
| 103 | static int cury = (BDEPTH / 2); |
| 104 | |
| 105 | typedef struct { |
| 106 | char *name; /* name of the ship type */ |
| 107 | char hits; /* how many times has this ship been hit? */ |
| 108 | char symbol; /* symbol for game purposes */ |
| 109 | char length; /* length of ship */ |
| 110 | char x, y; /* coordinates of ship start point */ |
| 111 | enum directions dir; /* direction of `bow' */ |
| 112 | bool placed; /* has it been placed on the board? */ |
| 113 | } |
| 114 | ship_t; |
| 115 | |
| 116 | ship_t plyship[SHIPTYPES] = |
| 117 | { |
| 118 | { carrier, 0, 'A', 5, 0, 0, E, FALSE}, |
| 119 | { battle, 0, 'B', 4, 0, 0, E, FALSE}, |
| 120 | { destroy, 0, 'D', 3, 0, 0, E, FALSE}, |
| 121 | { sub, 0, 'S', 3, 0, 0, E, FALSE}, |
| 122 | { ptboat, 0, 'P', 2, 0, 0, E, FALSE}, |
| 123 | }; |
| 124 | |
| 125 | ship_t cpuship[SHIPTYPES] = |
| 126 | { |
| 127 | { carrier, 0, 'A', 5, 0, 0, E, FALSE}, |
| 128 | { battle, 0, 'B', 4, 0, 0, E, FALSE}, |
| 129 | { destroy, 0, 'D', 3, 0, 0, E, FALSE}, |
| 130 | { sub, 0, 'S', 3, 0, 0, E, FALSE}, |
| 131 | { ptboat, 0, 'P', 2, 0, 0, E, FALSE}, |
| 132 | }; |
| 133 | |
| 134 | /* "Hits" board, and main board. */ |
| 135 | static char hits[2][BWIDTH][BDEPTH], board[2][BWIDTH][BDEPTH]; |
| 136 | |
| 137 | static int turn; /* 0=player, 1=computer */ |
| 138 | static int plywon=0, cpuwon=0; /* How many games has each won? */ |
| 139 | |
| 140 | static int salvo, blitz, closepack; |
| 141 | |
| 142 | #define PR addstr |
| 143 | |
| 144 | static bool checkplace (int, ship_t *, int); |
| 145 | static int getcoord (int); |
| 146 | int playagain (void); |
| 147 | |
| 148 | /* end the game, either normally or due to signal */ |
| 149 | static void uninitgame(void) { |
| 150 | clear(); |
| 151 | refresh(); |
| 152 | resetterm(); |
| 153 | echo(); |
| 154 | endwin(); |
| 155 | exit(0); |
| 156 | } |
| 157 | |
| 158 | static void |
| 159 | sighandler(__unused int sig) |
| 160 | { |
| 161 | uninitgame(); |
| 162 | } |
| 163 | |
| 164 | /* announce which game options are enabled */ |
| 165 | static void |
| 166 | announceopts(void) |
| 167 | { |
| 168 | printw("Playing %s game (", (salvo || blitz || closepack) ? |
| 169 | "optional" : "standard"); |
| 170 | |
| 171 | if (salvo) |
| 172 | printw("salvo, "); |
| 173 | else |
| 174 | printw("nosalvo, "); |
| 175 | |
| 176 | if (blitz) |
| 177 | printw("blitz, "); |
| 178 | else |
| 179 | printw("noblitz, "); |
| 180 | |
| 181 | if (closepack) |
| 182 | printw("closepack)"); |
| 183 | else |
| 184 | printw("noclosepack)"); |
| 185 | } |
| 186 | |
| 187 | static void |
| 188 | intro(void) |
| 189 | { |
| 190 | char *tmpname; |
| 191 | |
| 192 | srandomdev(); |
| 193 | |
| 194 | tmpname = getlogin(); |
| 195 | signal(SIGINT,sighandler); |
| 196 | signal(SIGINT,sighandler); |
| 197 | signal(SIGIOT,sighandler); /* for assert(3) */ |
| 198 | if(signal(SIGQUIT,SIG_IGN) != SIG_IGN) |
| 199 | signal(SIGQUIT,sighandler); |
| 200 | |
| 201 | if(tmpname != '\0') { |
| 202 | strcpy(name,tmpname); |
| 203 | name[0] = toupper(name[0]); |
| 204 | } else { |
| 205 | strcpy(name,dftname); |
| 206 | } |
| 207 | |
| 208 | initscr(); |
| 209 | #ifdef KEY_MIN |
| 210 | keypad(stdscr, TRUE); |
| 211 | #endif /* KEY_MIN */ |
| 212 | saveterm(); |
| 213 | nonl(); |
| 214 | cbreak(); |
| 215 | noecho(); |
| 216 | |
| 217 | #ifdef PENGUIN |
| 218 | clear(); |
| 219 | mvaddstr(4,29,"Welcome to Battleship!"); |
| 220 | move(8,0); |
| 221 | PR(" \\\n"); |
| 222 | PR(" \\ \\ \\\n"); |
| 223 | PR(" \\ \\ \\ \\ \\_____________\n"); |
| 224 | PR(" \\ \\ \\_____________ \\ \\/ |\n"); |
| 225 | PR(" \\ \\/ \\ \\/ |\n"); |
| 226 | PR(" \\/ \\_____/ |__\n"); |
| 227 | PR(" ________________/ |\n"); |
| 228 | PR(" \\ S.S. Penguin |\n"); |
| 229 | PR(" \\ /\n"); |
| 230 | PR(" \\___________________________________________________/\n"); |
| 231 | |
| 232 | mvaddstr(22,27,"Hit any key to continue..."); refresh(); |
| 233 | getch(); |
| 234 | #endif /* PENGUIN */ |
| 235 | |
| 236 | #ifdef A_COLOR |
| 237 | start_color(); |
| 238 | |
| 239 | init_pair(COLOR_BLACK, COLOR_BLACK, COLOR_BLACK); |
| 240 | init_pair(COLOR_GREEN, COLOR_GREEN, COLOR_BLACK); |
| 241 | init_pair(COLOR_RED, COLOR_RED, COLOR_BLACK); |
| 242 | init_pair(COLOR_CYAN, COLOR_CYAN, COLOR_BLACK); |
| 243 | init_pair(COLOR_WHITE, COLOR_WHITE, COLOR_BLACK); |
| 244 | init_pair(COLOR_MAGENTA, COLOR_MAGENTA, COLOR_BLACK); |
| 245 | init_pair(COLOR_BLUE, COLOR_BLUE, COLOR_BLACK); |
| 246 | init_pair(COLOR_YELLOW, COLOR_YELLOW, COLOR_BLACK); |
| 247 | #endif /* A_COLOR */ |
| 248 | |
| 249 | } |
| 250 | |
| 251 | /* print a message at the prompt line */ |
| 252 | static void |
| 253 | prompt(int n, const char *f, ...) |
| 254 | { |
| 255 | char buf[COLWIDTH + 1]; |
| 256 | va_list ap; |
| 257 | |
| 258 | va_start(ap, f); |
| 259 | move(PROMPTLINE + n, 0); |
| 260 | clrtoeol(); |
| 261 | vsnprintf(buf, COLWIDTH + 1, f, ap); |
| 262 | printw("%s", buf); |
| 263 | refresh(); |
| 264 | va_end(ap); |
| 265 | } |
| 266 | |
| 267 | static void |
| 268 | error(const char *s) |
| 269 | { |
| 270 | move(PROMPTLINE + 2, 0); |
| 271 | clrtoeol(); |
| 272 | if (s) { |
| 273 | addstr(s); |
| 274 | beep(); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | static void |
| 279 | placeship(int b, ship_t *ss, int vis) |
| 280 | { |
| 281 | int l; |
| 282 | |
| 283 | for(l = 0; l < ss->length; ++l) { |
| 284 | int newx = ss->x + l * xincr[ss->dir]; |
| 285 | int newy = ss->y + l * yincr[ss->dir]; |
| 286 | |
| 287 | board[b][newx][newy] = ss->symbol; |
| 288 | if (vis) { |
| 289 | pgoto(newy, newx); |
| 290 | addch((chtype)ss->symbol); |
| 291 | } |
| 292 | } |
| 293 | ss->hits = 0; |
| 294 | } |
| 295 | |
| 296 | static int |
| 297 | rnd(int n) |
| 298 | { |
| 299 | return(random() % n); |
| 300 | } |
| 301 | |
| 302 | /* generate a valid random ship placement into px,py */ |
| 303 | static void |
| 304 | randomplace(int b, ship_t *ss) |
| 305 | { |
| 306 | int bwidth = BWIDTH - ss->length; |
| 307 | int bdepth = BDEPTH - ss->length; |
| 308 | |
| 309 | do { |
| 310 | ss->y = rnd(bdepth); |
| 311 | ss->x = rnd(bwidth); |
| 312 | ss->dir = rnd(2) ? E : S; |
| 313 | } while (!checkplace(b, ss, FALSE)); |
| 314 | } |
| 315 | |
| 316 | static void |
| 317 | initgame(void) |
| 318 | { |
| 319 | int i, j, unplaced; |
| 320 | ship_t *ss; |
| 321 | |
| 322 | clear(); |
| 323 | mvaddstr(0,35,"BATTLESHIPS"); |
| 324 | move(PROMPTLINE + 2, 0); |
| 325 | announceopts(); |
| 326 | |
| 327 | bzero(board, sizeof(char) * BWIDTH * BDEPTH * 2); |
| 328 | bzero(hits, sizeof(char) * BWIDTH * BDEPTH * 2); |
| 329 | for (i = 0; i < SHIPTYPES; i++) { |
| 330 | ss = cpuship + i; |
| 331 | ss->x = ss->y = ss->dir = ss->hits = ss->placed = 0; |
| 332 | ss = plyship + i; |
| 333 | ss->x = ss->y = ss->dir = ss->hits = ss->placed = 0; |
| 334 | } |
| 335 | |
| 336 | /* draw empty boards */ |
| 337 | mvaddstr(PYBASE - 2, PXBASE + 5, "Main Board"); |
| 338 | mvaddstr(PYBASE - 1, PXBASE - 3,numbers); |
| 339 | for(i=0; i < BDEPTH; ++i) |
| 340 | { |
| 341 | mvaddch(PYBASE + i, PXBASE - 3, i + 'A'); |
| 342 | #ifdef A_COLOR |
| 343 | if (has_colors()) |
| 344 | attron(COLOR_PAIR(COLOR_BLUE)); |
| 345 | #endif /* A_COLOR */ |
| 346 | addch(' '); |
| 347 | for (j = 0; j < BWIDTH; j++) |
| 348 | addstr(" . "); |
| 349 | #ifdef A_COLOR |
| 350 | attrset(0); |
| 351 | #endif /* A_COLOR */ |
| 352 | addch(' '); |
| 353 | addch(i + 'A'); |
| 354 | } |
| 355 | mvaddstr(PYBASE + BDEPTH, PXBASE - 3,numbers); |
| 356 | mvaddstr(CYBASE - 2, CXBASE + 7,"Hit/Miss Board"); |
| 357 | mvaddstr(CYBASE - 1, CXBASE - 3, numbers); |
| 358 | for(i=0; i < BDEPTH; ++i) |
| 359 | { |
| 360 | mvaddch(CYBASE + i, CXBASE - 3, i + 'A'); |
| 361 | #ifdef A_COLOR |
| 362 | if (has_colors()) |
| 363 | attron(COLOR_PAIR(COLOR_BLUE)); |
| 364 | #endif /* A_COLOR */ |
| 365 | addch(' '); |
| 366 | for (j = 0; j < BWIDTH; j++) |
| 367 | addstr(" . "); |
| 368 | #ifdef A_COLOR |
| 369 | attrset(0); |
| 370 | #endif /* A_COLOR */ |
| 371 | addch(' '); |
| 372 | addch(i + 'A'); |
| 373 | } |
| 374 | |
| 375 | mvaddstr(CYBASE + BDEPTH,CXBASE - 3,numbers); |
| 376 | |
| 377 | mvprintw(HYBASE, HXBASE, |
| 378 | "To position your ships: move the cursor to a spot, then"); |
| 379 | mvprintw(HYBASE+1,HXBASE, |
| 380 | "type the first letter of a ship type to select it, then"); |
| 381 | mvprintw(HYBASE+2,HXBASE, |
| 382 | "type a direction ([hjkl] or [4862]), indicating how the"); |
| 383 | mvprintw(HYBASE+3,HXBASE, |
| 384 | "ship should be pointed. You may also type a ship letter"); |
| 385 | mvprintw(HYBASE+4,HXBASE, |
| 386 | "followed by `r' to position it randomly, or type `R' to"); |
| 387 | mvprintw(HYBASE+5,HXBASE, |
| 388 | "place all remaining ships randomly."); |
| 389 | |
| 390 | mvaddstr(MYBASE, MXBASE, "Aiming keys:"); |
| 391 | mvaddstr(SYBASE, SXBASE, "y k u 7 8 9"); |
| 392 | mvaddstr(SYBASE+1, SXBASE, " \\|/ \\|/ "); |
| 393 | mvaddstr(SYBASE+2, SXBASE, "h-+-l 4-+-6"); |
| 394 | mvaddstr(SYBASE+3, SXBASE, " /|\\ /|\\ "); |
| 395 | mvaddstr(SYBASE+4, SXBASE, "b j n 1 2 3"); |
| 396 | |
| 397 | /* have the computer place ships */ |
| 398 | for(ss = cpuship; ss < cpuship + SHIPTYPES; ss++) |
| 399 | { |
| 400 | randomplace(COMPUTER, ss); |
| 401 | placeship(COMPUTER, ss, FALSE); |
| 402 | } |
| 403 | |
| 404 | ss = (ship_t *)NULL; |
| 405 | do { |
| 406 | char c, docked[SHIPTYPES + 2], *cp = docked; |
| 407 | |
| 408 | /* figure which ships still wait to be placed */ |
| 409 | *cp++ = 'R'; |
| 410 | for (i = 0; i < SHIPTYPES; i++) |
| 411 | if (!plyship[i].placed) |
| 412 | *cp++ = plyship[i].symbol; |
| 413 | *cp = '\0'; |
| 414 | |
| 415 | /* get a command letter */ |
| 416 | prompt(1, "Type one of [%s] to pick a ship.", docked+1); |
| 417 | do { |
| 418 | c = getcoord(PLAYER); |
| 419 | } while |
| 420 | (!strchr(docked, c)); |
| 421 | |
| 422 | if (c == 'R') |
| 423 | ungetch('R'); |
| 424 | else |
| 425 | { |
| 426 | /* map that into the corresponding symbol */ |
| 427 | for (ss = plyship; ss < plyship + SHIPTYPES; ss++) |
| 428 | if (ss->symbol == c) |
| 429 | break; |
| 430 | |
| 431 | prompt(1, "Type one of [hjklrR] to place your %s.", ss->name); |
| 432 | pgoto(cury, curx); |
| 433 | } |
| 434 | |
| 435 | do { |
| 436 | c = getch(); |
| 437 | } while |
| 438 | (!strchr("hjklrR", c) || c == FF); |
| 439 | |
| 440 | if (c == FF) |
| 441 | { |
| 442 | clearok(stdscr, TRUE); |
| 443 | refresh(); |
| 444 | } |
| 445 | else if (c == 'r') |
| 446 | { |
| 447 | prompt(1, "Random-placing your %s", ss->name); |
| 448 | randomplace(PLAYER, ss); |
| 449 | placeship(PLAYER, ss, TRUE); |
| 450 | error((char *)NULL); |
| 451 | ss->placed = TRUE; |
| 452 | } |
| 453 | else if (c == 'R') |
| 454 | { |
| 455 | prompt(1, "Placing the rest of your fleet at random..."); |
| 456 | for (ss = plyship; ss < plyship + SHIPTYPES; ss++) |
| 457 | if (!ss->placed) |
| 458 | { |
| 459 | randomplace(PLAYER, ss); |
| 460 | placeship(PLAYER, ss, TRUE); |
| 461 | ss->placed = TRUE; |
| 462 | } |
| 463 | error((char *)NULL); |
| 464 | } |
| 465 | else if (strchr("hjkl8462", c)) |
| 466 | { |
| 467 | ss->x = curx; |
| 468 | ss->y = cury; |
| 469 | |
| 470 | switch(c) |
| 471 | { |
| 472 | case 'k': case '8': ss->dir = N; break; |
| 473 | case 'j': case '2': ss->dir = S; break; |
| 474 | case 'h': case '4': ss->dir = W; break; |
| 475 | case 'l': case '6': ss->dir = E; break; |
| 476 | } |
| 477 | |
| 478 | if (checkplace(PLAYER, ss, TRUE)) |
| 479 | { |
| 480 | placeship(PLAYER, ss, TRUE); |
| 481 | error((char *)NULL); |
| 482 | ss->placed = TRUE; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | for (unplaced = i = 0; i < SHIPTYPES; i++) |
| 487 | unplaced += !plyship[i].placed; |
| 488 | } while |
| 489 | (unplaced); |
| 490 | |
| 491 | turn = rnd(2); |
| 492 | |
| 493 | mvprintw(HYBASE, HXBASE, |
| 494 | "To fire, move the cursor to your chosen aiming point "); |
| 495 | mvprintw(HYBASE+1, HXBASE, |
| 496 | "and strike any key other than a motion key. "); |
| 497 | mvprintw(HYBASE+2, HXBASE, |
| 498 | " "); |
| 499 | mvprintw(HYBASE+3, HXBASE, |
| 500 | " "); |
| 501 | mvprintw(HYBASE+4, HXBASE, |
| 502 | " "); |
| 503 | mvprintw(HYBASE+5, HXBASE, |
| 504 | " "); |
| 505 | |
| 506 | prompt(0, "Press any key to start..."); |
| 507 | getch(); |
| 508 | } |
| 509 | |
| 510 | static int |
| 511 | getcoord(int atcpu) |
| 512 | { |
| 513 | int ny, nx, c; |
| 514 | |
| 515 | if (atcpu) |
| 516 | cgoto(cury,curx); |
| 517 | else |
| 518 | pgoto(cury, curx); |
| 519 | refresh(); |
| 520 | for (;;) |
| 521 | { |
| 522 | if (atcpu) |
| 523 | { |
| 524 | mvprintw(CYBASE + BDEPTH+1, CXBASE+11, "(%d, %c)", curx, 'A'+cury); |
| 525 | cgoto(cury, curx); |
| 526 | } |
| 527 | else |
| 528 | { |
| 529 | mvprintw(PYBASE + BDEPTH+1, PXBASE+11, "(%d, %c)", curx, 'A'+cury); |
| 530 | pgoto(cury, curx); |
| 531 | } |
| 532 | |
| 533 | switch(c = getch()) |
| 534 | { |
| 535 | case 'k': case '8': |
| 536 | #ifdef KEY_MIN |
| 537 | case KEY_UP: |
| 538 | #endif /* KEY_MIN */ |
| 539 | ny = cury+BDEPTH-1; nx = curx; |
| 540 | break; |
| 541 | case 'j': case '2': |
| 542 | #ifdef KEY_MIN |
| 543 | case KEY_DOWN: |
| 544 | #endif /* KEY_MIN */ |
| 545 | ny = cury+1; nx = curx; |
| 546 | break; |
| 547 | case 'h': case '4': |
| 548 | #ifdef KEY_MIN |
| 549 | case KEY_LEFT: |
| 550 | #endif /* KEY_MIN */ |
| 551 | ny = cury; nx = curx+BWIDTH-1; |
| 552 | break; |
| 553 | case 'l': case '6': |
| 554 | #ifdef KEY_MIN |
| 555 | case KEY_RIGHT: |
| 556 | #endif /* KEY_MIN */ |
| 557 | ny = cury; nx = curx+1; |
| 558 | break; |
| 559 | case 'y': case '7': |
| 560 | #ifdef KEY_MIN |
| 561 | case KEY_A1: |
| 562 | #endif /* KEY_MIN */ |
| 563 | ny = cury+BDEPTH-1; nx = curx+BWIDTH-1; |
| 564 | break; |
| 565 | case 'b': case '1': |
| 566 | #ifdef KEY_MIN |
| 567 | case KEY_C1: |
| 568 | #endif /* KEY_MIN */ |
| 569 | ny = cury+1; nx = curx+BWIDTH-1; |
| 570 | break; |
| 571 | case 'u': case '9': |
| 572 | #ifdef KEY_MIN |
| 573 | case KEY_A3: |
| 574 | #endif /* KEY_MIN */ |
| 575 | ny = cury+BDEPTH-1; nx = curx+1; |
| 576 | break; |
| 577 | case 'n': case '3': |
| 578 | #ifdef KEY_MIN |
| 579 | case KEY_C3: |
| 580 | #endif /* KEY_MIN */ |
| 581 | ny = cury+1; nx = curx+1; |
| 582 | break; |
| 583 | case FF: |
| 584 | nx = curx; ny = cury; |
| 585 | clearok(stdscr, TRUE); |
| 586 | refresh(); |
| 587 | break; |
| 588 | default: |
| 589 | if (atcpu) |
| 590 | mvaddstr(CYBASE + BDEPTH + 1, CXBASE + 11, " "); |
| 591 | else |
| 592 | mvaddstr(PYBASE + BDEPTH + 1, PXBASE + 11, " "); |
| 593 | return(c); |
| 594 | } |
| 595 | |
| 596 | curx = nx % BWIDTH; |
| 597 | cury = ny % BDEPTH; |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | /* is this location on the selected zboard adjacent to a ship? */ |
| 602 | static int |
| 603 | collidecheck(int b, int y, int x) |
| 604 | { |
| 605 | int collide; |
| 606 | |
| 607 | /* anything on the square */ |
| 608 | if ((collide = IS_SHIP(board[b][x][y])) != 0) |
| 609 | return(collide); |
| 610 | |
| 611 | /* anything on the neighbors */ |
| 612 | if (!closepack) { |
| 613 | int i; |
| 614 | |
| 615 | for (i = 0; i < 8; i++) { |
| 616 | int xend, yend; |
| 617 | |
| 618 | yend = y + yincr[i]; |
| 619 | xend = x + xincr[i]; |
| 620 | if (ONBOARD(xend, yend)) |
| 621 | collide += IS_SHIP(board[b][xend][yend]); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | return(collide); |
| 626 | } |
| 627 | |
| 628 | static bool |
| 629 | checkplace(int b, ship_t *ss, int vis) |
| 630 | { |
| 631 | int l, xend, yend; |
| 632 | |
| 633 | /* first, check for board edges */ |
| 634 | xend = ss->x + ss->length * xincr[ss->dir]; |
| 635 | yend = ss->y + ss->length * yincr[ss->dir]; |
| 636 | if (!ONBOARD(xend, yend)) { |
| 637 | if (vis) { |
| 638 | switch(rnd(3)) { |
| 639 | case 0: |
| 640 | error("Ship is hanging from the edge of the world"); |
| 641 | break; |
| 642 | case 1: |
| 643 | error("Try fitting it on the board"); |
| 644 | break; |
| 645 | case 2: |
| 646 | error("Figure I won't find it if you put it there?"); |
| 647 | break; |
| 648 | } |
| 649 | } |
| 650 | return(0); |
| 651 | } |
| 652 | |
| 653 | for(l = 0; l < ss->length; ++l) { |
| 654 | if(collidecheck(b, ss->y+l*yincr[ss->dir], ss->x+l*xincr[ss->dir])) { |
| 655 | if (vis) { |
| 656 | switch(rnd(3)) { |
| 657 | case 0: |
| 658 | error("There's already a ship there"); |
| 659 | break; |
| 660 | case 1: |
| 661 | error("Collision alert! Aaaaaagh!"); |
| 662 | break; |
| 663 | case 2: |
| 664 | error("Er, Admiral, what about the other ship?"); |
| 665 | break; |
| 666 | } |
| 667 | } |
| 668 | return(FALSE); |
| 669 | } |
| 670 | } |
| 671 | return(TRUE); |
| 672 | } |
| 673 | |
| 674 | static int |
| 675 | awinna(void) |
| 676 | { |
| 677 | int i, j; |
| 678 | ship_t *ss; |
| 679 | |
| 680 | for(i=0; i<2; ++i) |
| 681 | { |
| 682 | ss = (i) ? cpuship : plyship; |
| 683 | for(j=0; j < SHIPTYPES; ++j, ++ss) |
| 684 | if(ss->length > ss->hits) |
| 685 | break; |
| 686 | if (j == SHIPTYPES) |
| 687 | return(OTHER); |
| 688 | } |
| 689 | return(-1); |
| 690 | } |
| 691 | |
| 692 | /* a hit on the targeted ship */ |
| 693 | static ship_t * |
| 694 | hitship(int x, int y) |
| 695 | { |
| 696 | ship_t *sb, *ss; |
| 697 | char sym; |
| 698 | int oldx, oldy; |
| 699 | |
| 700 | getyx(stdscr, oldy, oldx); |
| 701 | sb = (turn) ? plyship : cpuship; |
| 702 | if(!(sym = board[OTHER][x][y])) |
| 703 | return((ship_t *)NULL); |
| 704 | for(ss = sb; ss < sb + SHIPTYPES; ++ss) |
| 705 | if(ss->symbol == sym) |
| 706 | { |
| 707 | if (++ss->hits < ss->length) { /* still afloat? */ |
| 708 | return((ship_t *)NULL); |
| 709 | } else { /* sunk */ |
| 710 | int i, j; |
| 711 | |
| 712 | if (!closepack) { |
| 713 | for (j = -1; j <= 1; j++) { |
| 714 | int bx = ss->x + j * xincr[(ss->dir + 2) % 8]; |
| 715 | int by = ss->y + j * yincr[(ss->dir + 2) % 8]; |
| 716 | |
| 717 | for (i = -1; i <= ss->length; ++i) { |
| 718 | int cx, cy; |
| 719 | |
| 720 | cx = bx + i * xincr[ss->dir]; |
| 721 | cy = by + i * yincr[ss->dir]; |
| 722 | if (ONBOARD(cx, cy)) { |
| 723 | hits[turn][cx][cy] = MARK_MISS; |
| 724 | if (turn % 2 == PLAYER) { |
| 725 | cgoto(cy, cx); |
| 726 | #ifdef A_COLOR |
| 727 | if (has_colors()) |
| 728 | attron(COLOR_PAIR(COLOR_GREEN)); |
| 729 | #endif /* A_COLOR */ |
| 730 | |
| 731 | addch(MARK_MISS); |
| 732 | #ifdef A_COLOR |
| 733 | attrset(0); |
| 734 | #endif /* A_COLOR */ |
| 735 | } |
| 736 | } |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | for (i = 0; i < ss->length; ++i) |
| 742 | { |
| 743 | int dx = ss->x + i * xincr[ss->dir]; |
| 744 | int dy = ss->y + i * yincr[ss->dir]; |
| 745 | |
| 746 | hits[turn][dx][dy] = ss->symbol; |
| 747 | if (turn % 2 == PLAYER) |
| 748 | { |
| 749 | cgoto(dy, dx); |
| 750 | addch(ss->symbol); |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | move(oldy, oldx); |
| 755 | return(ss); |
| 756 | } |
| 757 | } |
| 758 | move(oldy, oldx); |
| 759 | return((ship_t *)NULL); |
| 760 | } |
| 761 | |
| 762 | static int |
| 763 | plyturn(void) |
| 764 | { |
| 765 | ship_t *ss; |
| 766 | bool hit; |
| 767 | char const *m; |
| 768 | |
| 769 | m = NULL; |
| 770 | prompt(1, "Where do you want to shoot? "); |
| 771 | for (;;) |
| 772 | { |
| 773 | getcoord(COMPUTER); |
| 774 | if (hits[PLAYER][curx][cury]) |
| 775 | { |
| 776 | prompt(1, "You shelled this spot already! Try again."); |
| 777 | beep(); |
| 778 | } |
| 779 | else |
| 780 | break; |
| 781 | } |
| 782 | hit = IS_SHIP(board[COMPUTER][curx][cury]); |
| 783 | hits[PLAYER][curx][cury] = hit ? MARK_HIT : MARK_MISS; |
| 784 | cgoto(cury, curx); |
| 785 | #ifdef A_COLOR |
| 786 | if (has_colors()) { |
| 787 | if (hit) |
| 788 | attron(COLOR_PAIR(COLOR_RED)); |
| 789 | else |
| 790 | attron(COLOR_PAIR(COLOR_GREEN)); |
| 791 | } |
| 792 | #endif /* A_COLOR */ |
| 793 | addch((chtype)hits[PLAYER][curx][cury]); |
| 794 | #ifdef A_COLOR |
| 795 | attrset(0); |
| 796 | #endif /* A_COLOR */ |
| 797 | |
| 798 | prompt(1, "You %s.", hit ? "scored a hit" : "missed"); |
| 799 | if(hit && (ss = hitship(curx, cury))) |
| 800 | { |
| 801 | switch(rnd(5)) |
| 802 | { |
| 803 | case 0: |
| 804 | m = " You sank my %s!"; |
| 805 | break; |
| 806 | case 1: |
| 807 | m = " I have this sinking feeling about my %s...."; |
| 808 | break; |
| 809 | case 2: |
| 810 | m = " My %s has gone to Davy Jones's locker!"; |
| 811 | break; |
| 812 | case 3: |
| 813 | m = " Glub, glub -- my %s is headed for the bottom!"; |
| 814 | break; |
| 815 | case 4: |
| 816 | m = " You'll pick up survivors from my %s, I hope...!"; |
| 817 | break; |
| 818 | } |
| 819 | printw(m, ss->name); |
| 820 | beep(); |
| 821 | return(awinna() == -1); |
| 822 | } |
| 823 | return(hit); |
| 824 | } |
| 825 | |
| 826 | static int |
| 827 | sgetc(const char *s) |
| 828 | { |
| 829 | const char *s1; |
| 830 | int ch; |
| 831 | |
| 832 | refresh(); |
| 833 | for(;;) { |
| 834 | ch = getch(); |
| 835 | if (islower(ch)) |
| 836 | ch = toupper(ch); |
| 837 | |
| 838 | if (ch == CTRLC) |
| 839 | uninitgame(); |
| 840 | |
| 841 | for (s1=s; *s1 && ch != *s1; ++s1) |
| 842 | continue; |
| 843 | |
| 844 | if (*s1) { |
| 845 | addch((chtype)ch); |
| 846 | refresh(); |
| 847 | return(ch); |
| 848 | } |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | /* random-fire routine -- implements simple diagonal-striping strategy */ |
| 853 | static void |
| 854 | randomfire(int *px, int *py) |
| 855 | { |
| 856 | static int turncount = 0; |
| 857 | static int srchstep = BEGINSTEP; |
| 858 | static int huntoffs; /* Offset on search strategy */ |
| 859 | int ypossible[BWIDTH * BDEPTH], xpossible[BWIDTH * BDEPTH], nposs; |
| 860 | int ypreferred[BWIDTH * BDEPTH], xpreferred[BWIDTH * BDEPTH], npref; |
| 861 | int x, y, i; |
| 862 | |
| 863 | if (turncount++ == 0) |
| 864 | huntoffs = rnd(srchstep); |
| 865 | |
| 866 | /* first, list all possible moves */ |
| 867 | nposs = npref = 0; |
| 868 | for (x = 0; x < BWIDTH; x++) |
| 869 | for (y = 0; y < BDEPTH; y++) |
| 870 | if (!hits[COMPUTER][x][y]) |
| 871 | { |
| 872 | xpossible[nposs] = x; |
| 873 | ypossible[nposs] = y; |
| 874 | nposs++; |
| 875 | if (((x+huntoffs) % srchstep) != (y % srchstep)) |
| 876 | { |
| 877 | xpreferred[npref] = x; |
| 878 | ypreferred[npref] = y; |
| 879 | npref++; |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | if (npref) |
| 884 | { |
| 885 | i = rnd(npref); |
| 886 | |
| 887 | *px = xpreferred[i]; |
| 888 | *py = ypreferred[i]; |
| 889 | } |
| 890 | else if (nposs) |
| 891 | { |
| 892 | i = rnd(nposs); |
| 893 | |
| 894 | *px = xpossible[i]; |
| 895 | *py = ypossible[i]; |
| 896 | |
| 897 | if (srchstep > 1) |
| 898 | --srchstep; |
| 899 | } |
| 900 | else |
| 901 | { |
| 902 | error("No moves possible?? Help!"); |
| 903 | exit(1); |
| 904 | /*NOTREACHED*/ |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | #define S_MISS 0 |
| 909 | #define S_HIT 1 |
| 910 | #define S_SUNK -1 |
| 911 | |
| 912 | /* fire away at given location */ |
| 913 | static bool |
| 914 | cpufire(int x, int y) |
| 915 | { |
| 916 | bool hit, sunk; |
| 917 | ship_t *ss; |
| 918 | |
| 919 | ss = NULL; |
| 920 | hits[COMPUTER][x][y] = (hit = (board[PLAYER][x][y])) ? MARK_HIT : MARK_MISS; |
| 921 | mvprintw(PROMPTLINE, 0, |
| 922 | "I shoot at %c%d. I %s!", y + 'A', x, hit ? "hit" : "miss"); |
| 923 | ss = hitship(x, y); |
| 924 | sunk = hit && ss; |
| 925 | if (sunk) |
| 926 | printw(" I've sunk your %s", ss->name); |
| 927 | clrtoeol(); |
| 928 | |
| 929 | pgoto(y, x); |
| 930 | #ifdef A_COLOR |
| 931 | if (has_colors()) { |
| 932 | if (hit) |
| 933 | attron(COLOR_PAIR(COLOR_RED)); |
| 934 | else |
| 935 | attron(COLOR_PAIR(COLOR_GREEN)); |
| 936 | } |
| 937 | #endif /* A_COLOR */ |
| 938 | addch((chtype)(hit ? SHOWHIT : SHOWSPLASH)); |
| 939 | #ifdef A_COLOR |
| 940 | attrset(0); |
| 941 | #endif /* A_COLOR */ |
| 942 | |
| 943 | return(hit ? (sunk ? S_SUNK : S_HIT) : S_MISS); |
| 944 | } |
| 945 | |
| 946 | /* |
| 947 | * This code implements a fairly irregular FSM, so please forgive the rampant |
| 948 | * unstructuredness below. The five labels are states which need to be held |
| 949 | * between computer turns. |
| 950 | */ |
| 951 | static bool |
| 952 | cputurn(void) |
| 953 | { |
| 954 | #define POSSIBLE(x, y) (ONBOARD(x, y) && !hits[COMPUTER][x][y]) |
| 955 | #define RANDOM_FIRE 0 |
| 956 | #define RANDOM_HIT 1 |
| 957 | #define HUNT_DIRECT 2 |
| 958 | #define FIRST_PASS 3 |
| 959 | #define REVERSE_JUMP 4 |
| 960 | #define SECOND_PASS 5 |
| 961 | static int next = RANDOM_FIRE; |
| 962 | static bool used[4]; |
| 963 | static ship_t ts; |
| 964 | int navail, x, y, d, n, hit = S_MISS; |
| 965 | |
| 966 | switch(next) |
| 967 | { |
| 968 | case RANDOM_FIRE: /* last shot was random and missed */ |
| 969 | refire: |
| 970 | randomfire(&x, &y); |
| 971 | if (!(hit = cpufire(x, y))) |
| 972 | next = RANDOM_FIRE; |
| 973 | else |
| 974 | { |
| 975 | ts.x = x; ts.y = y; |
| 976 | ts.hits = 1; |
| 977 | next = (hit == S_SUNK) ? RANDOM_FIRE : RANDOM_HIT; |
| 978 | } |
| 979 | break; |
| 980 | |
| 981 | case RANDOM_HIT: /* last shot was random and hit */ |
| 982 | used[E/2] = used[S/2] = used[W/2] = used[N/2] = FALSE; |
| 983 | /* FALLTHROUGH */ |
| 984 | |
| 985 | case HUNT_DIRECT: /* last shot hit, we're looking for ship's long axis */ |
| 986 | for (d = navail = 0; d < 4; d++) |
| 987 | { |
| 988 | x = ts.x + xincr[d*2]; y = ts.y + yincr[d*2]; |
| 989 | if (!used[d] && POSSIBLE(x, y)) |
| 990 | navail++; |
| 991 | else |
| 992 | used[d] = TRUE; |
| 993 | } |
| 994 | if (navail == 0) /* no valid places for shots adjacent... */ |
| 995 | goto refire; /* ...so we must random-fire */ |
| 996 | else |
| 997 | { |
| 998 | for (d = 0, n = rnd(navail) + 1; n; n--) |
| 999 | while (used[d]) |
| 1000 | d++; |
| 1001 | |
| 1002 | assert(d <= 4); |
| 1003 | |
| 1004 | used[d] = FALSE; |
| 1005 | x = ts.x + xincr[d*2]; |
| 1006 | y = ts.y + yincr[d*2]; |
| 1007 | |
| 1008 | assert(POSSIBLE(x, y)); |
| 1009 | |
| 1010 | if (!(hit = cpufire(x, y))) |
| 1011 | next = HUNT_DIRECT; |
| 1012 | else |
| 1013 | { |
| 1014 | ts.x = x; ts.y = y; ts.dir = d*2; ts.hits++; |
| 1015 | next = (hit == S_SUNK) ? RANDOM_FIRE : FIRST_PASS; |
| 1016 | } |
| 1017 | } |
| 1018 | break; |
| 1019 | |
| 1020 | case FIRST_PASS: /* we have a start and a direction now */ |
| 1021 | x = ts.x + xincr[ts.dir]; |
| 1022 | y = ts.y + yincr[ts.dir]; |
| 1023 | if (POSSIBLE(x, y) && (hit = cpufire(x, y))) |
| 1024 | { |
| 1025 | ts.x = x; ts.y = y; ts.hits++; |
| 1026 | next = (hit == S_SUNK) ? RANDOM_FIRE : FIRST_PASS; |
| 1027 | } |
| 1028 | else |
| 1029 | next = REVERSE_JUMP; |
| 1030 | break; |
| 1031 | |
| 1032 | case REVERSE_JUMP: /* nail down the ship's other end */ |
| 1033 | d = ts.dir + 4; |
| 1034 | x = ts.x + ts.hits * xincr[d]; |
| 1035 | y = ts.y + ts.hits * yincr[d]; |
| 1036 | if (POSSIBLE(x, y) && (hit = cpufire(x, y))) |
| 1037 | { |
| 1038 | ts.x = x; ts.y = y; ts.dir = d; ts.hits++; |
| 1039 | next = (hit == S_SUNK) ? RANDOM_FIRE : SECOND_PASS; |
| 1040 | } |
| 1041 | else |
| 1042 | next = RANDOM_FIRE; |
| 1043 | break; |
| 1044 | |
| 1045 | case SECOND_PASS: /* kill squares not caught on first pass */ |
| 1046 | x = ts.x + xincr[ts.dir]; |
| 1047 | y = ts.y + yincr[ts.dir]; |
| 1048 | if (POSSIBLE(x, y) && (hit = cpufire(x, y))) |
| 1049 | { |
| 1050 | ts.x = x; ts.y = y; ts.hits++; |
| 1051 | next = (hit == S_SUNK) ? RANDOM_FIRE: SECOND_PASS; |
| 1052 | break; |
| 1053 | } |
| 1054 | else |
| 1055 | next = RANDOM_FIRE; |
| 1056 | break; |
| 1057 | } |
| 1058 | |
| 1059 | /* check for continuation and/or winner */ |
| 1060 | if (salvo) |
| 1061 | { |
| 1062 | refresh(); |
| 1063 | sleep(1); |
| 1064 | } |
| 1065 | if (awinna() != -1) |
| 1066 | return(FALSE); |
| 1067 | |
| 1068 | #ifdef DEBUG |
| 1069 | mvprintw(PROMPTLINE + 2, 0, |
| 1070 | "New state %d, x=%d, y=%d, d=%d", |
| 1071 | next, x, y, d); |
| 1072 | #endif /* DEBUG */ |
| 1073 | return(hit); |
| 1074 | } |
| 1075 | |
| 1076 | int |
| 1077 | playagain(void) |
| 1078 | { |
| 1079 | int j; |
| 1080 | ship_t *ss; |
| 1081 | |
| 1082 | for (ss = cpuship; ss < cpuship + SHIPTYPES; ss++) { |
| 1083 | for(j = 0; j < ss->length; j++) { |
| 1084 | cgoto(ss->y + j * yincr[ss->dir], ss->x + j * xincr[ss->dir]); |
| 1085 | addch((chtype)ss->symbol); |
| 1086 | } |
| 1087 | } |
| 1088 | |
| 1089 | if(awinna()) { |
| 1090 | ++cpuwon; |
| 1091 | } else { |
| 1092 | ++plywon; |
| 1093 | } |
| 1094 | |
| 1095 | j = 18 + strlen(name); |
| 1096 | if(plywon >= 10) { |
| 1097 | ++j; |
| 1098 | } else if(cpuwon >= 10) { |
| 1099 | ++j; |
| 1100 | } |
| 1101 | |
| 1102 | mvprintw(1,(COLWIDTH-j)/2, |
| 1103 | "%s: %d Computer: %d",name,plywon,cpuwon); |
| 1104 | |
| 1105 | prompt(2, (awinna()) ? "Want to be humiliated again, %s [yn]? " |
| 1106 | : "Going to give me a chance for revenge, %s [yn]? ",name); |
| 1107 | return(sgetc("YN") == 'Y'); |
| 1108 | } |
| 1109 | |
| 1110 | static void |
| 1111 | usage(void) |
| 1112 | { |
| 1113 | fprintf(stderr, "Usage: battle [-s | -b] [-c]\n"); |
| 1114 | fprintf(stderr, "\tWhere the options are:\n"); |
| 1115 | fprintf(stderr, "\t-s : salvo - One shot per ship in play\n"); |
| 1116 | fprintf(stderr, "\t-b : blitz - Fire until you miss\n"); |
| 1117 | fprintf(stderr, "\t-c : closepack - Ships may be adjacent\n"); |
| 1118 | fprintf(stderr, "Blitz and Salvo are mutually exclusive\n"); |
| 1119 | exit(1); |
| 1120 | } |
| 1121 | |
| 1122 | static int |
| 1123 | scount(int who) |
| 1124 | { |
| 1125 | int i, shots; |
| 1126 | ship_t *sp; |
| 1127 | |
| 1128 | if (who) |
| 1129 | sp = cpuship; /* count cpu shots */ |
| 1130 | else |
| 1131 | sp = plyship; /* count player shots */ |
| 1132 | |
| 1133 | for (i=0, shots = 0; i < SHIPTYPES; i++, sp++) |
| 1134 | { |
| 1135 | if (sp->hits >= sp->length) |
| 1136 | continue; /* dead ship */ |
| 1137 | else |
| 1138 | shots++; |
| 1139 | } |
| 1140 | return(shots); |
| 1141 | } |
| 1142 | |
| 1143 | int |
| 1144 | main(int argc, char **argv) |
| 1145 | { |
| 1146 | int ch; |
| 1147 | |
| 1148 | /* revoke */ |
| 1149 | setgid(getgid()); |
| 1150 | |
| 1151 | while ((ch = getopt(argc, argv, "bsc")) != -1) { |
| 1152 | switch (ch) { |
| 1153 | case 'b': |
| 1154 | blitz = 1; |
| 1155 | break; |
| 1156 | case 's': |
| 1157 | salvo = 1; |
| 1158 | break; |
| 1159 | case 'c': |
| 1160 | closepack = 1; |
| 1161 | break; |
| 1162 | case '?': |
| 1163 | default: |
| 1164 | usage(); |
| 1165 | } |
| 1166 | } |
| 1167 | argc -= optind; |
| 1168 | argv += optind; |
| 1169 | |
| 1170 | if (blitz && salvo) |
| 1171 | usage(); |
| 1172 | |
| 1173 | intro(); |
| 1174 | |
| 1175 | do { |
| 1176 | initgame(); |
| 1177 | while(awinna() == -1) { |
| 1178 | if (blitz) { |
| 1179 | while(turn ? cputurn() : plyturn()) |
| 1180 | continue; |
| 1181 | } else if (salvo) { |
| 1182 | int i; |
| 1183 | |
| 1184 | i = scount(turn); |
| 1185 | while (i--) { |
| 1186 | if (turn) { |
| 1187 | if (cputurn() && awinna() != -1) |
| 1188 | i = 0; |
| 1189 | } else { |
| 1190 | if (plyturn() && awinna() != -1) |
| 1191 | i = 0; |
| 1192 | } |
| 1193 | } |
| 1194 | } else { /* Normal game */ |
| 1195 | if(turn) |
| 1196 | cputurn(); |
| 1197 | else |
| 1198 | plyturn(); |
| 1199 | } |
| 1200 | turn = OTHER; |
| 1201 | } |
| 1202 | } while (playagain()); |
| 1203 | |
| 1204 | uninitgame(); |
| 1205 | exit(0); |
| 1206 | } |