xref: /dragonfly/games/sail/pl_main.c (revision 984263bc)
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. 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 #if 0
36 static char sccsid[] = "@(#)pl_main.c	8.1 (Berkeley) 5/31/93";
37 #endif
38 static const char rcsid[] =
39  "$FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $";
40 #endif /* not lint */
41 
42 #include "player.h"
43 #include <sys/types.h>
44 #include <sys/wait.h>
45 
46 void choke(), child();
47 
48 /*ARGSUSED*/
49 pl_main()
50 {
51 
52 	if (!SCREENTEST()) {
53 		printf("Can't sail on this terminal.\n");
54 		exit(1);
55 	}
56 	initialize();
57 	Signal("Aye aye, Sir", (struct ship *)0);
58 	play();
59 	return 0;			/* for lint,  play() never returns */
60 }
61 
62 initialize()
63 {
64 	register struct File *fp;
65 	register struct ship *sp;
66 	char captain[80];
67 	char message[60];
68 	int load;
69 	register int n;
70 	char *nameptr;
71 	int nat[NNATION];
72 
73 	if (game < 0) {
74 		(void) puts("Choose a scenario:\n");
75 		(void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
76 		for (n = 0; n < NSCENE; n++) {
77 			/* ( */
78 			printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
79 				sync_exists(n) ? "YES" : "no",
80 				scene[n].name);
81 		}
82 reprint:
83 		printf("\nScenario number? ");
84 		(void) fflush(stdout);
85 		(void) scanf("%d", &game);
86 		while (getchar() != '\n')
87 			;
88 	}
89 	if (game < 0 || game >= NSCENE) {
90 		(void) puts("Very funny.");
91 		exit(1);
92 	}
93 	cc = &scene[game];
94 	ls = SHIP(cc->vessels);
95 
96 	for (n = 0; n < NNATION; n++)
97 		nat[n] = 0;
98 	foreachship(sp) {
99 		if (sp->file == NULL &&
100 		    (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
101 			(void) puts("OUT OF MEMORY");
102 			exit(1);
103 		}
104 		sp->file->index = sp - SHIP(0);
105 		sp->file->stern = nat[sp->nationality]++;
106 		sp->file->dir = sp->shipdir;
107 		sp->file->row = sp->shiprow;
108 		sp->file->col = sp->shipcol;
109 	}
110 	windspeed = cc->windspeed;
111 	winddir = cc->winddir;
112 
113 	(void) signal(SIGHUP, choke);
114 	(void) signal(SIGINT, choke);
115 
116 	hasdriver = sync_exists(game);
117 	if (sync_open() < 0) {
118 		perror("sail: syncfile");
119 		exit(1);
120 	}
121 
122 	if (hasdriver) {
123 		(void) puts("Synchronizing with the other players...");
124 		(void) fflush(stdout);
125 		if (Sync() < 0)
126 			leave(LEAVE_SYNC);
127 	}
128 	for (;;) {
129 		foreachship(sp)
130 			if (sp->file->captain[0] == 0 && !sp->file->struck
131 			    && sp->file->captured == 0)
132 				break;
133 		if (sp >= ls) {
134 			(void) puts("All ships taken in that scenario.");
135 			foreachship(sp)
136 				free((char *)sp->file);
137 			sync_close(0);
138 			people = 0;
139 			goto reprint;
140 		}
141 		if (randomize) {
142 			player = sp - SHIP(0);
143 		} else {
144 			printf("%s\n\n", cc->name);
145 			foreachship(sp)
146 				printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
147 					sp->file->index,
148 					countryname[sp->nationality],
149 					sp->shipname,
150 					sp->specs->pts,
151 					saywhat(sp, 1));
152 			printf("\nWhich ship (0-%d)? ", cc->vessels-1);
153 			(void) fflush(stdout);
154 			if (scanf("%d", &player) != 1 || player < 0
155 			    || player >= cc->vessels) {
156 				while (getchar() != '\n')
157 					;
158 				(void) puts("Say what?");
159 				player = -1;
160 			} else
161 				while (getchar() != '\n')
162 					;
163 		}
164 		if (player < 0)
165 			continue;
166 		if (Sync() < 0)
167 			leave(LEAVE_SYNC);
168 		fp = SHIP(player)->file;
169 		if (fp->captain[0] || fp->struck || fp->captured != 0)
170 			(void) puts("That ship is taken.");
171 		else
172 			break;
173 	}
174 
175 	ms = SHIP(player);
176 	mf = ms->file;
177 	mc = ms->specs;
178 
179 	Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
180 	if (Sync() < 0)
181 		leave(LEAVE_SYNC);
182 
183 	(void) signal(SIGCHLD, child);
184 	if (!hasdriver)
185 		switch (fork()) {
186 		case 0:
187 			longjmp(restart, MODE_DRIVER);
188 			/*NOTREACHED*/
189 		case -1:
190 			perror("fork");
191 			leave(LEAVE_FORK);
192 			break;
193 		default:
194 			hasdriver++;
195 		}
196 
197 	printf("Your ship is the %s, a %d gun %s (%s crew).\n",
198 		ms->shipname, mc->guns, classname[mc->class],
199 		qualname[mc->qual]);
200 	if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
201 		(void) strncpy(captain, nameptr, sizeof captain);
202 	else {
203 		(void) printf("Your name, Captain? ");
204 		(void) fflush(stdout);
205 		(void) fgets(captain, sizeof captain, stdin);
206 		if (!*captain)
207 			(void) strcpy(captain, "no name");
208 		else
209 			captain[sizeof(captain) - 1] = '\0';
210 	}
211 	Write(W_CAPTAIN, ms, 1, (long)captain, 0, 0, 0);
212 	for (n = 0; n < 2; n++) {
213 		char buf[10];
214 
215 		printf("\nInitial broadside %s (grape, chain, round, double): ",
216 			n ? "right" : "left");
217 		(void) fflush(stdout);
218 		(void) scanf("%9s", buf);
219 		switch (*buf) {
220 		case 'g':
221 			load = L_GRAPE;
222 			break;
223 		case 'c':
224 			load = L_CHAIN;
225 			break;
226 		case 'r':
227 			load = L_ROUND;
228 			break;
229 		case 'd':
230 			load = L_DOUBLE;
231 			break;
232 		default:
233 			load = L_ROUND;
234 		}
235 		if (n) {
236 			mf->loadR = load;
237 			mf->readyR = R_LOADED|R_INITIAL;
238 		} else {
239 			mf->loadL = load;
240 			mf->readyL = R_LOADED|R_INITIAL;
241 		}
242 	}
243 
244 	initscreen();
245 	draw_board();
246 	(void) sprintf(message, "Captain %s assuming command", captain);
247 	Write(W_SIGNAL, ms, 1, (long)message, 0, 0, 0);
248 	newturn();
249 }
250