/*-
 * Copyright (c) 1980, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * @(#) Copyright (c) 1980, 1993 The Regents of the University of California.  All rights reserved.
 * @(#)main.c   8.1 (Berkeley) 5/31/93
 * $FreeBSD: src/games/robots/main.c,v 1.7 1999/11/30 03:49:18 billf Exp $
 */

#include "robots.h"
#include <signal.h>
#include <ctype.h>

static bool another(void);

int
main(int argc, char **argv)
{
        char *sp;
        bool bad_arg;
        bool show_only;

        show_only = false;
        if (argc > 1) {
                bad_arg = false;
                for (++argv; argc > 1 && *argv[0]; argv++, argc--)
                        if (argv[0][0] != '-')
                                if (isdigit(argv[0][0]))
                                        Max_per_uid = atoi(argv[0]);
                                else {
                                        Scorefile = argv[0];
#ifdef  FANCY
                                        sp = rindex(Scorefile, '/');
                                        if (sp == NULL)
                                                sp = Scorefile;
                                        if (strcmp(sp, "pattern_roll") == 0)
                                                Pattern_roll = true;
                                        else if (strcmp(sp, "stand_still") == 0)
                                                Stand_still = true;
                                        if (Pattern_roll || Stand_still)
                                                Teleport = true;
#endif
                                }
                        else
                                for (sp = &argv[0][1]; *sp; sp++)
                                        switch (*sp) {
                                          case 's':
                                                show_only = true;
                                                break;
                                          case 'r':
                                                Real_time = true;
                                                break;
                                          case 'a':
                                                Start_level = 4;
                                                break;
                                          case 'j':
                                                Jump = true;
                                                break;
                                          case 't':
                                                Teleport = true;
                                                break;
                                          default:
                                                fprintf(stderr, "robots: unknown option: %c\n", *sp);
                                                bad_arg = true;
                                                break;
                                        }
                if (bad_arg) {
                        exit(1);
                        /* NOTREACHED */
                }
        }

        if (show_only) {
                show_score();
                exit(0);
                /* NOTREACHED */
        }

        initscr();
        signal(SIGINT, quit);
        cbreak();
        noecho();
        nonl();
        if (LINES != Y_SIZE || COLS != X_SIZE) {
                if (LINES < Y_SIZE || COLS < X_SIZE) {
                        endwin();
                        printf("Need at least a %dx%d screen\n",
                            Y_SIZE, X_SIZE);
                        exit(1);
                }
                delwin(stdscr);
                stdscr = newwin(Y_SIZE, X_SIZE, 0, 0);
        }

        srandomdev();
        if (Real_time)
                signal(SIGALRM, move_robots);
        do {
                init_field();
                for (Level = Start_level; !Dead; Level++) {
                        make_level();
                        play_level();
                }
                move(My_pos.y, My_pos.x);
                printw("AARRrrgghhhh....");
                refresh();
                score();
        } while (another());
        quit(0);
        /* NOTREACHED */
        return(0);
}

/*
 * quit:
 *      Leave the program elegantly.
 */
void
quit(__unused int sig)
{
        endwin();
        exit(0);
        /* NOTREACHED */
}

/*
 * another:
 *      See if another game is desired
 */
static bool
another(void)
{
        int y;

#ifdef FANCY
        if ((Stand_still || Pattern_roll) && !Newscore)
                return true;
#endif

        if (query("Another game?")) {
                if (Full_clear) {
                        for (y = 1; y <= Num_scores; y++) {
                                move(y, 1);
                                clrtoeol();
                        }
                        refresh();
                }
                return true;
        }
        return false;
}