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dock.c revision 1.1 
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)dock.c	5.4 (Berkeley) 6/1/90";
     36 #endif /* not lint */
     37 
     38 # include	"trek.h"
     39 
     40 /*
     41 **  DOCK TO STARBASE
     42 **
     43 **	The starship is docked to a starbase.  For this to work you
     44 **	must be adjacent to a starbase.
     45 **
     46 **	You get your supplies replenished and your captives are
     47 **	disembarked.  Note that your score is updated now, not when
     48 **	you actually take the captives.
     49 **
     50 **	Any repairs that need to be done are rescheduled to take
     51 **	place sooner.  This provides for the faster repairs when you
     52 **	are docked.
     53 */
     54 
     55 dock()
     56 {
     57 	register int		i, j;
     58 	int			ok;
     59 	register struct event	*e;
     60 
     61 	if (Ship.cond == DOCKED)
     62 		return (printf("Chekov: But captain, we are already docked\n"));
     63 	/* check for ok to dock, i.e., adjacent to a starbase */
     64 	ok = 0;
     65 	for (i = Ship.sectx - 1; i <= Ship.sectx + 1 && !ok; i++)
     66 	{
     67 		if (i < 0 || i >= NSECTS)
     68 			continue;
     69 		for (j = Ship.secty - 1; j <= Ship.secty + 1; j++)
     70 		{
     71 			if (j  < 0 || j >= NSECTS)
     72 				continue;
     73 			if (Sect[i][j] == BASE)
     74 			{
     75 				ok++;
     76 				break;
     77 			}
     78 		}
     79 	}
     80 	if (!ok)
     81 		return (printf("Chekov: But captain, we are not adjacent to a starbase.\n"));
     82 
     83 	/* restore resources */
     84 	Ship.energy = Param.energy;
     85 	Ship.torped = Param.torped;
     86 	Ship.shield = Param.shield;
     87 	Ship.crew = Param.crew;
     88 	Game.captives += Param.brigfree - Ship.brigfree;
     89 	Ship.brigfree = Param.brigfree;
     90 
     91 	/* reset ship's defenses */
     92 	Ship.shldup = 0;
     93 	Ship.cloaked = 0;
     94 	Ship.cond = DOCKED;
     95 	Ship.reserves = Param.reserves;
     96 
     97 	/* recalibrate space inertial navigation system */
     98 	Ship.sinsbad = 0;
     99 
    100 	/* output any saved radio messages */
    101 	dumpssradio();
    102 
    103 	/* reschedule any device repairs */
    104 	for (i = 0; i < MAXEVENTS; i++)
    105 	{
    106 		e = &Event[i];
    107 		if (e->evcode != E_FIXDV)
    108 			continue;
    109 		reschedule(e, (e->date - Now.date) * Param.dockfac);
    110 	}
    111 	return;
    112 }
    113 
    114 
    115 /*
    116 **  LEAVE A STARBASE
    117 **
    118 **	This is the inverse of dock().  The main function it performs
    119 **	is to reschedule any damages so that they will take longer.
    120 */
    121 
    122 undock()
    123 {
    124 	register struct event	*e;
    125 	register int		i;
    126 
    127 	if (Ship.cond != DOCKED)
    128 	{
    129 		printf("Sulu: Pardon me captain, but we are not docked.\n");
    130 		return;
    131 	}
    132 	Ship.cond = GREEN;
    133 	Move.free = 0;
    134 
    135 	/* reschedule device repair times (again) */
    136 	for (i = 0; i < MAXEVENTS; i++)
    137 	{
    138 		e = &Event[i];
    139 		if (e->evcode != E_FIXDV)
    140 			continue;
    141 		reschedule(e, (e->date - Now.date) / Param.dockfac);
    142 	}
    143 	return;
    144 }
    145