pl_4.c

早期freebsd实现

/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 */

#ifndef lint
static char sccsid[] = "@(#)pl_4.c	8.1 (Berkeley) 5/31/93";
#endif /* not lint */

#include "player.h"

changesail()
{
	int rig, full;

	rig = mc->rig1;
	full = mf->FS;
	if (windspeed == 6 || windspeed == 5 && mc->class > 4)
		rig = 0;
	if (mc->crew3 && rig) {
		if (!full) {
			if (sgetch("Increase to Full sails? ",
				(struct ship *)0, 1) == 'y') {
				changed = 1;
				Write(W_FS, ms, 0, 1, 0, 0, 0);
			}
		} else {
			if (sgetch("Reduce to Battle sails? ",
				(struct ship *)0, 1) == 'y') {
				Write(W_FS, ms, 0, 0, 0, 0, 0);
				changed = 1;
			}
		}
	} else if (!rig)
		Signal("Sails rent to pieces", (struct ship *)0);
}

acceptsignal()
{
	char buf[60];
	register char *p = buf;

	*p++ = '"';
	sgetstr("Message? ", p, sizeof buf - 2);
	while (*p++)
		;
	p[-1] = '"';
	*p = 0;
	Write(W_SIGNAL, ms, 1, (int)buf, 0, 0, 0);
}

lookout()
{
	register struct ship *sp;
	char buf[3];
	register char c;

	sgetstr("What ship? ", buf, sizeof buf);
	foreachship(sp) {
		c = *countryname[sp->nationality];
		if ((c == *buf || tolower(c) == *buf || colours(sp) == *buf)
		    && (sp->file->stern == buf[1] || sterncolour(sp) == buf[1]
			|| buf[1] == '?')) {
			eyeball(sp);
		}
	}
}

char *
saywhat(sp, flag)
register struct ship *sp;
char flag;
{
	if (sp->file->captain[0])
		return sp->file->captain;
	else if (sp->file->struck)
		return "(struck)";
	else if (sp->file->captured != 0)
		return "(captured)";
	else if (flag)
		return "(available)";
	else
		return "(computer)";
}

eyeball(ship)
register struct ship *ship;
{
	int i;

	if (ship->file->dir != 0) {
		Signal("Sail ho! (range %d, %s)",
			(struct ship *)0, range(ms, ship), saywhat(ship, 0));
		i = portside(ms, ship, 1) - mf->dir;
		if (i <= 0)
			i += 8;
		Signal("%s (%c%c) %s %s %s.",
			ship, countryname[ship->nationality],
			classname[ship->specs->class], directionname[i]);
	}
}