xref: /netbsd-src/games/trek/dock.c (revision ae1bfcddc410612bc8c58b807e1830becb69a24c)
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[] = "from: @(#)dock.c	5.4 (Berkeley) 6/1/90";*/
36 static char rcsid[] = "$Id: dock.c,v 1.2 1993/08/01 18:50:40 mycroft Exp $";
37 #endif /* not lint */
38 
39 # include	"trek.h"
40 
41 /*
42 **  DOCK TO STARBASE
43 **
44 **	The starship is docked to a starbase.  For this to work you
45 **	must be adjacent to a starbase.
46 **
47 **	You get your supplies replenished and your captives are
48 **	disembarked.  Note that your score is updated now, not when
49 **	you actually take the captives.
50 **
51 **	Any repairs that need to be done are rescheduled to take
52 **	place sooner.  This provides for the faster repairs when you
53 **	are docked.
54 */
55 
56 dock()
57 {
58 	register int		i, j;
59 	int			ok;
60 	register struct event	*e;
61 
62 	if (Ship.cond == DOCKED)
63 		return (printf("Chekov: But captain, we are already docked\n"));
64 	/* check for ok to dock, i.e., adjacent to a starbase */
65 	ok = 0;
66 	for (i = Ship.sectx - 1; i <= Ship.sectx + 1 && !ok; i++)
67 	{
68 		if (i < 0 || i >= NSECTS)
69 			continue;
70 		for (j = Ship.secty - 1; j <= Ship.secty + 1; j++)
71 		{
72 			if (j  < 0 || j >= NSECTS)
73 				continue;
74 			if (Sect[i][j] == BASE)
75 			{
76 				ok++;
77 				break;
78 			}
79 		}
80 	}
81 	if (!ok)
82 		return (printf("Chekov: But captain, we are not adjacent to a starbase.\n"));
83 
84 	/* restore resources */
85 	Ship.energy = Param.energy;
86 	Ship.torped = Param.torped;
87 	Ship.shield = Param.shield;
88 	Ship.crew = Param.crew;
89 	Game.captives += Param.brigfree - Ship.brigfree;
90 	Ship.brigfree = Param.brigfree;
91 
92 	/* reset ship's defenses */
93 	Ship.shldup = 0;
94 	Ship.cloaked = 0;
95 	Ship.cond = DOCKED;
96 	Ship.reserves = Param.reserves;
97 
98 	/* recalibrate space inertial navigation system */
99 	Ship.sinsbad = 0;
100 
101 	/* output any saved radio messages */
102 	dumpssradio();
103 
104 	/* reschedule any device repairs */
105 	for (i = 0; i < MAXEVENTS; i++)
106 	{
107 		e = &Event[i];
108 		if (e->evcode != E_FIXDV)
109 			continue;
110 		reschedule(e, (e->date - Now.date) * Param.dockfac);
111 	}
112 	return;
113 }
114 
115 
116 /*
117 **  LEAVE A STARBASE
118 **
119 **	This is the inverse of dock().  The main function it performs
120 **	is to reschedule any damages so that they will take longer.
121 */
122 
123 undock()
124 {
125 	register struct event	*e;
126 	register int		i;
127 
128 	if (Ship.cond != DOCKED)
129 	{
130 		printf("Sulu: Pardon me captain, but we are not docked.\n");
131 		return;
132 	}
133 	Ship.cond = GREEN;
134 	Move.free = 0;
135 
136 	/* reschedule device repair times (again) */
137 	for (i = 0; i < MAXEVENTS; i++)
138 	{
139 		e = &Event[i];
140 		if (e->evcode != E_FIXDV)
141 			continue;
142 		reschedule(e, (e->date - Now.date) / Param.dockfac);
143 	}
144 	return;
145 }
146