Sweep-fix comparing pointers with 0 (and assigning 0 to pointers).
[dragonfly.git] / games / sail / pl_2.c
1 /*-
2  * Copyright (c) 1983, 1993
3  *      The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * @(#)pl_2.c   8.1 (Berkeley) 5/31/93
30  * $FreeBSD: src/games/sail/pl_2.c,v 1.4 1999/11/30 03:49:36 billf Exp $
31  */
32
33 #include "player.h"
34
35 void
36 play(void)
37 {
38         struct ship *sp;
39
40         for (;;) {
41                 switch (sgetch("~\b", NULL, 0)) {
42                 case 'm':
43                         acceptmove();
44                         break;
45                 case 's':
46                         acceptsignal();
47                         break;
48                 case 'g':
49                         grapungrap();
50                         break;
51                 case 'u':
52                         unfoulplayer();
53                         break;
54                 case 'v':
55                         Signal("%s", NULL, version);
56                         break;
57                 case 'b':
58                         acceptboard();
59                         break;
60                 case 'f':
61                         acceptcombat();
62                         break;
63                 case 'l':
64                         loadplayer();
65                         break;
66                 case 'c':
67                         changesail();
68                         break;
69                 case 'r':
70                         repair();
71                         break;
72                 case 'B':
73                         Signal("'Hands to stations!'", NULL);
74                         unboard(ms, ms, 1);     /* cancel DBP's */
75                         unboard(ms, ms, 0);     /* cancel offense */
76                         break;
77                 case '\f':
78                         centerview();
79                         blockalarm();
80                         draw_board();
81                         draw_screen();
82                         unblockalarm();
83                         break;
84                 case 'L':
85                         mf->loadL = L_EMPTY;
86                         mf->loadR = L_EMPTY;
87                         mf->readyL = R_EMPTY;
88                         mf->readyR = R_EMPTY;
89                         Signal("Broadsides unloaded", NULL);
90                         break;
91                 case 'q':
92                         Signal("Type 'Q' to quit", NULL);
93                         break;
94                 case 'Q':
95                         leave(LEAVE_QUIT);
96                         break;
97                 case 'I':
98                         foreachship(sp)
99                                 if (sp != ms)
100                                         eyeball(sp);
101                         break;
102                 case 'i':
103                         if ((sp = closestenemy(ms, 0, 1)) == NULL)
104                                 Signal("No more ships left.", NULL);
105                         else
106                                 eyeball(sp);
107                         break;
108                 case 'C':
109                         centerview();
110                         blockalarm();
111                         draw_view();
112                         unblockalarm();
113                         break;
114                 case 'U':
115                         upview();
116                         blockalarm();
117                         draw_view();
118                         unblockalarm();
119                         break;
120                 case 'D':
121                 case 'N':
122                         downview();
123                         blockalarm();
124                         draw_view();
125                         unblockalarm();
126                         break;
127                 case 'H':
128                         leftview();
129                         blockalarm();
130                         draw_view();
131                         unblockalarm();
132                         break;
133                 case 'J':
134                         rightview();
135                         blockalarm();
136                         draw_view();
137                         unblockalarm();
138                         break;
139                 case 'F':
140                         lookout();
141                         break;
142                 case 'S':
143                         dont_adjust = !dont_adjust;
144                         blockalarm();
145                         draw_turn();
146                         unblockalarm();
147                         break;
148                 }
149         }
150 }