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File: [cvs.NetBSD.org] / src / games / sail / dr_main.c (download)

Revision 1.15, Fri Aug 6 09:14:40 2010 UTC (10 years, 1 month ago) by dholland
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-mips64-premerge-20101231, localcount-20160914, is-mlppp-base, is-mlppp, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, HEAD
Changes since 1.14: +53 -5 lines

Rework the game startup so it uses curses nicely. There are now menus
and stuff for picking scenarios and ships and all that.

/*	$NetBSD: dr_main.c,v 1.15 2010/08/06 09:14:40 dholland Exp $	*/

/*
 * Copyright (c) 1983, 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.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)dr_main.c	8.2 (Berkeley) 4/16/94";
#else
__RCSID("$NetBSD: dr_main.c,v 1.15 2010/08/06 09:14:40 dholland Exp $");
#endif
#endif /* not lint */

#include <err.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "extern.h"
#include "driver.h"
#include "player.h" /* XXX for LEAVE_FORK */
#include "restart.h"

static int driver_wait_fd = -1;

int
dr_main(void)
{
	int n;
	struct ship *sp;
	int nat[NNATION];
	int value = 0;

	/*
	 * XXX need a way to print diagnostics back to the player
	 * process instead of stomping on the curses screen.
	 */

	signal(SIGINT, SIG_IGN);
	signal(SIGQUIT, SIG_IGN);
	signal(SIGTSTP, SIG_IGN);
	if (game < 0 || game >= NSCENE) {
		errx(1, "\ndriver: Bad game number %d", game);
	}
	cc = &scene[game];
	ls = SHIP(cc->vessels);
	if (sync_open() < 0) {
		err(1, "\ndriver: syncfile");
	}
	for (n = 0; n < NNATION; n++)
		nat[n] = 0;
	foreachship(sp) {
		if (sp->file == NULL &&
		    (sp->file = calloc(1, sizeof (struct File))) == NULL) {
			fprintf(stderr, "\nDRIVER: Out of memory.\n");
			exit(1);
		}
		sp->file->index = sp - SHIP(0);
		sp->file->loadL = L_ROUND;
		sp->file->loadR = L_ROUND;
		sp->file->readyR = R_LOADED|R_INITIAL;
		sp->file->readyL = R_LOADED|R_INITIAL;
		sp->file->stern = nat[sp->nationality]++;
		sp->file->dir = sp->shipdir;
		sp->file->row = sp->shiprow;
		sp->file->col = sp->shipcol;
	}
	windspeed = cc->windspeed;
	winddir = cc->winddir;
	people = 0;

	/* report back to the player process that we've started */
	if (driver_wait_fd >= 0) {
		close(driver_wait_fd);
	}

	for (;;) {
		sleep(7);
		if (Sync() < 0) {
			value = 1;
			break;
		}
		if (next() < 0)
			break;
		unfoul();
		checkup();
		prizecheck();
		moveall();
		thinkofgrapples();
		boardcomp();
		compcombat();
		resolve();
		reload();
		checksails();
		if (Sync() < 0) {
			value = 1;
			break;
		}
	}
	sync_close(1);
	return value;
}

void
startdriver(void)
{
	int fds[2];
	char c;

	if (pipe(fds)) {
		warn("pipe");
		leave(LEAVE_FORK);
		return;
	}

	switch (fork()) {
	    case 0:
		close(fds[0]);
		driver_wait_fd = fds[1];
		longjmp(restart, MODE_DRIVER);
		/*NOTREACHED*/
	    case -1:
		warn("fork");
		close(fds[0]);
		close(fds[1]);
		leave(LEAVE_FORK);
		break;
	    default:
		hasdriver++;
		close(fds[1]);
		read(fds[0], &c, 1);
		close(fds[0]);
	}
}