Annotation of early-roguelike/rogue4/main.c, Revision 1.1
1.1 ! rubenllo 1: /*
! 2: * # #
! 3: * # # # # # ## # # #
! 4: * #
! 5: *
! 6: * @(#)main.c 4.26 (Berkeley) 2/4/82
! 7: *
! 8: * Rogue: Exploring the Dungeons of Doom
! 9: * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
! 10: * All rights reserved.
! 11: *
! 12: * See the file LICENSE.TXT for full copyright and licensing information.
! 13: *
! 14: */
! 15:
! 16: #include <stdlib.h>
! 17: #include <curses.h>
! 18: #include <signal.h>
! 19: #include <limits.h>
! 20: #include <string.h>
! 21: #include <time.h>
! 22: #include "rogue.h"
! 23:
! 24: /*
! 25: * main:
! 26: * The main program, of course
! 27: */
! 28: int
! 29: main(int argc, char *argv[], char *envp[])
! 30: {
! 31: register char *env;
! 32:
! 33: md_init();
! 34:
! 35: #ifndef DUMP
! 36: #ifdef SIGQUIT
! 37: signal(SIGQUIT, exit);
! 38: #endif
! 39: signal(SIGILL, exit);
! 40: #ifdef SIGTRAP
! 41: signal(SIGTRAP, exit);
! 42: #endif
! 43: #ifdef SIGIOT
! 44: signal(SIGIOT, exit);
! 45: #endif
! 46: #ifdef SIGEMT
! 47: signal(SIGEMT, exit);
! 48: #endif
! 49: signal(SIGFPE, exit);
! 50: #ifdef SIGBUS
! 51: signal(SIGBUS, exit);
! 52: #endif
! 53: signal(SIGSEGV, exit);
! 54: #ifdef SIGSYS
! 55: signal(SIGSYS, exit);
! 56: #endif
! 57: #endif
! 58:
! 59: #ifdef WIZARD
! 60: /*
! 61: * Check to see if he is a wizard
! 62: */
! 63: if (argc >= 2 && argv[1][0] == '\0')
! 64: if (strcmp(PASSWD, xcrypt(md_getpass("Wizard's password: "), "mT")) == 0)
! 65: {
! 66: wizard = TRUE;
! 67: player.t_flags |= SEEMONST;
! 68: argv++;
! 69: argc--;
! 70: }
! 71: #endif
! 72:
! 73: #ifdef SAVEDIR
! 74: if (argc >= 3 && !strcmp(argv[1], "-n"))
! 75: {
! 76: strncpy(whoami, argv[2], MAXSTR - 1);
! 77: whoami[MAXSTR - 1] = '\0'; /* insurance */
! 78: use_savedir = TRUE;
! 79: /* look for savefile at SAVEDIR/UID-playername.r4sav */
! 80: if (snprintf(file_name, 256, "%s/%d-%s.r4sav", SAVEDIR,
! 81: md_getuid(), whoami) >= 256)
! 82: {
! 83: /* Name is too long- this shouldn't happen */
! 84: strcpy(file_name, "rogue4.save");
! 85: use_savedir = FALSE;
! 86: }
! 87: }
! 88: #endif
! 89:
! 90: /*
! 91: * get home and options from environment
! 92: */
! 93: strncpy(home, md_gethomedir(), PATH_MAX);
! 94: if (!use_savedir)
! 95: {
! 96: strcpy(file_name, home);
! 97: strcat(file_name, "/rogue4.save");
! 98: }
! 99:
! 100: if ((env = getenv("ROGUEOPTS")) != NULL)
! 101: parse_opts(env);
! 102: if (!use_savedir && (env == NULL || whoami[0] == '\0'))
! 103: strucpy(whoami, md_getusername(md_getuid()), strlen(md_getusername(md_getuid())));
! 104: if (env == NULL || fruit[0] == '\0')
! 105: strcpy(fruit, "slime-mold");
! 106:
! 107: /*
! 108: * check for print-score option
! 109: */
! 110: open_log(); /* do first, open_score might drop needed permissions */
! 111: open_score();
! 112: if (argc == 2 && strcmp(argv[1], "-s") == 0)
! 113: {
! 114: noscore = TRUE;
! 115: score(0, -1, 0);
! 116: exit(0);
! 117: }
! 118: init_check(); /* check for legal startup */
! 119:
! 120: if (use_savedir)
! 121: {
! 122: /* Try to restore from file_name which we just set up. */
! 123: if (!restore(file_name, envp))
! 124: exit(1);
! 125: /* If restore() returns true, the system savefile doesn't exist.
! 126: So we'll start a new game. */
! 127: }
! 128: else if (argc == 2)
! 129: {
! 130: if (!restore(argv[1], envp)) /* Note: restore will never return */
! 131: {
! 132: endwin();
! 133: exit(1);
! 134: }
! 135: }
! 136:
! 137: if (!use_savedir)
! 138: md_normaluser();
! 139:
! 140: #ifdef WIZARD
! 141: noscore = wizard;
! 142: #endif
! 143: if (getenv("SEED") != NULL)
! 144: {
! 145: dnum = atoi(getenv("SEED"));
! 146: noscore = TRUE;
! 147: }
! 148: else
! 149: dnum = md_random_seed();
! 150: #ifdef WIZARD
! 151: if (wizard)
! 152: printf("Hello %s, welcome to dungeon #%d", whoami, dnum);
! 153: else
! 154: #endif
! 155: printf("Hello %s, just a moment while I dig the dungeon...\n\n",whoami);
! 156: fflush(stdout);
! 157: seed = dnum;
! 158:
! 159: init_player(); /* Set up initial player stats */
! 160: init_things(); /* Set up probabilities of things */
! 161: init_names(); /* Set up names of scrolls */
! 162: init_colors(); /* Set up colors of potions */
! 163: init_stones(); /* Set up stone settings of rings */
! 164: init_materials(); /* Set up materials of wands */
! 165:
! 166: initscr(); /* Start up cursor package */
! 167:
! 168: if (COLS < 70)
! 169: {
! 170: printf("\n\nSorry, but your terminal window has too few columns.\n");
! 171: printf("Your terminal has %d columns, needs 70.\n",COLS);
! 172: endwin();
! 173: exit(1);
! 174: }
! 175:
! 176: if (LINES < 22)
! 177: {
! 178: printf("\n\nSorry, but your terminal window has too few lines.\n");
! 179: printf("Your terminal has %d lines, needs 22.\n",LINES);
! 180: endwin();
! 181: exit(1);
! 182: }
! 183:
! 184: if ((*whoami == '\0') || (strcmp(whoami,"dosuser")==0))
! 185: {
! 186: echo();
! 187: mvaddstr(23,2,"Rogue's Name? ");
! 188: wgetnstr(stdscr,whoami,MAXSTR);
! 189: noecho();
! 190: }
! 191:
! 192: if (*whoami == '\0')
! 193: strcpy(whoami,"Rodney");
! 194:
! 195: setup();
! 196:
! 197: /*
! 198: * Set up windows
! 199: */
! 200: hw = newwin(LINES, COLS, 0, 0);
! 201: keypad(stdscr,1);
! 202: new_level(); /* Draw current level */
! 203: /*
! 204: * Start up daemons and fuses
! 205: */
! 206: start_daemon(doctor, 0, AFTER);
! 207: fuse(swander, 0, WANDERTIME, AFTER);
! 208: start_daemon(stomach, 0, AFTER);
! 209: start_daemon(runners, 0, AFTER);
! 210: playit();
! 211: }
! 212:
! 213: /*
! 214: * endit:
! 215: * Exit the program abnormally.
! 216: */
! 217: void
! 218: endit(int a)
! 219: {
! 220: fatal("Ok, if you want to exit that badly, I'll have to allow it\n");
! 221: }
! 222:
! 223: /*
! 224: * fatal:
! 225: * Exit the program, printing a message.
! 226: */
! 227: void
! 228: fatal(char *s)
! 229: {
! 230: clear();
! 231: move(LINES-2, 0);
! 232: printw("%s", s);
! 233: refresh();
! 234: endwin();
! 235: (void) exit(0);
! 236: }
! 237:
! 238: /*
! 239: * rnd:
! 240: * Pick a very random number.
! 241: */
! 242: int
! 243: rnd(int range)
! 244: {
! 245: return range == 0 ? 0 : abs((int) RN) % range;
! 246: }
! 247:
! 248: /*
! 249: * roll:
! 250: * Roll a number of dice
! 251: */
! 252: int
! 253: roll(int number, int sides)
! 254: {
! 255: register int dtotal = 0;
! 256:
! 257: while (number--)
! 258: dtotal += rnd(sides)+1;
! 259: return dtotal;
! 260: }
! 261:
! 262: /*
! 263: * tstp:
! 264: * Handle stop and start signals
! 265: */
! 266: void
! 267: tstp(int a)
! 268: {
! 269: register int y, x;
! 270: register int oy, ox;
! 271:
! 272: getyx(curscr, oy, ox);
! 273: mvcur(0, COLS - 1, LINES - 1, 0);
! 274: endwin();
! 275: clearok(curscr, TRUE);
! 276: fflush(stdout);
! 277: #ifdef SIGTSTP
! 278: signal(SIGTSTP, SIG_DFL);
! 279: kill(0, SIGTSTP);
! 280: signal(SIGTSTP, tstp);
! 281: #endif
! 282: crmode();
! 283: nonl();
! 284: noecho();
! 285: clearok(curscr, TRUE);
! 286: wrefresh(curscr);
! 287: getyx(curscr, y, x);
! 288: mvcur(y, x, oy, ox);
! 289: fflush(stdout);
! 290: curscr->_cury = oy;
! 291: curscr->_curx = ox;
! 292: }
! 293:
! 294: /*
! 295: * playit:
! 296: * The main loop of the program. Loop until the game is over,
! 297: * refreshing things and looking at the proper times.
! 298: */
! 299: void
! 300: playit(void)
! 301: {
! 302: register char *opts;
! 303:
! 304: /*
! 305: * set up defaults for slow terminals
! 306: */
! 307:
! 308: if (baudrate() < 1200)
! 309: {
! 310: terse = TRUE;
! 311: jump = TRUE;
! 312: }
! 313:
! 314: /*
! 315: * parse environment declaration of options
! 316: */
! 317: if ((opts = getenv("ROGUEOPTS")) != NULL)
! 318: parse_opts(opts);
! 319:
! 320:
! 321: oldpos = hero;
! 322: oldrp = roomin(&hero);
! 323: while (playing)
! 324: command(); /* Command execution */
! 325: endit(0);
! 326: }
! 327:
! 328: /*
! 329: * quit:
! 330: * Have player make certain, then exit.
! 331: */
! 332: void
! 333: quit(int a)
! 334: {
! 335: register int oy, ox;
! 336:
! 337: /*
! 338: * Reset the signal in case we got here via an interrupt
! 339: */
! 340:
! 341: if (signal(SIGINT, quit) != quit)
! 342: mpos = 0;
! 343: getyx(curscr, oy, ox);
! 344: msg("really quit?");
! 345: if (readchar() == 'y')
! 346: {
! 347: signal(SIGINT, leave);
! 348: clear();
! 349: mvprintw(LINES - 2, 0, "You quit with %d gold pieces", purse);
! 350: move(LINES - 1, 0);
! 351: refresh();
! 352: writelog(purse, 1, 0);
! 353: score(purse, 1, 0);
! 354: printf("[Press return to exit]\n");
! 355: fflush(NULL);
! 356: getchar();
! 357: exit(0);
! 358: }
! 359: else
! 360: {
! 361: move(0, 0);
! 362: clrtoeol();
! 363: status();
! 364: move(oy, ox);
! 365: refresh();
! 366: mpos = 0;
! 367: count = 0;
! 368: }
! 369: }
! 370:
! 371: /*
! 372: * leave:
! 373: * Leave quickly, but curteously
! 374: */
! 375: void
! 376: leave(int sig)
! 377: {
! 378: /*
! 379: if (!_endwin)
! 380: {*/
! 381: mvcur(0, COLS - 1, LINES - 1, 0);
! 382: endwin();
! 383: /* } */
! 384: putchar('\n');
! 385: exit(0);
! 386: }
! 387:
! 388: /*
! 389: * shell:
! 390: * Let him escape for a while
! 391: */
! 392: void
! 393: shell(void)
! 394: {
! 395: /*
! 396: * Set the terminal back to original mode
! 397: */
! 398: move(LINES-1, 0);
! 399: refresh();
! 400: endwin();
! 401: putchar('\n');
! 402: putchar('\n');
! 403: in_shell = TRUE;
! 404: after = FALSE;
! 405:
! 406: md_shellescape();
! 407:
! 408: noecho();
! 409: nonl();
! 410: crmode();
! 411: in_shell = FALSE;
! 412: clearok(stdscr, TRUE);
! 413: touchwin(stdscr);
! 414: }
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