xref: /dragonfly/games/sail/pl_main.c (revision 6e285212)
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  * @(#)pl_main.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $
35  * $DragonFly: src/games/sail/pl_main.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
36  */
37 
38 #include "player.h"
39 #include <sys/types.h>
40 #include <sys/wait.h>
41 
42 void choke(), child();
43 
44 /*ARGSUSED*/
45 pl_main()
46 {
47 
48 	if (!SCREENTEST()) {
49 		printf("Can't sail on this terminal.\n");
50 		exit(1);
51 	}
52 	initialize();
53 	Signal("Aye aye, Sir", (struct ship *)0);
54 	play();
55 	return 0;			/* for lint,  play() never returns */
56 }
57 
58 initialize()
59 {
60 	register struct File *fp;
61 	register struct ship *sp;
62 	char captain[80];
63 	char message[60];
64 	int load;
65 	register int n;
66 	char *nameptr;
67 	int nat[NNATION];
68 
69 	if (game < 0) {
70 		(void) puts("Choose a scenario:\n");
71 		(void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
72 		for (n = 0; n < NSCENE; n++) {
73 			/* ( */
74 			printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
75 				sync_exists(n) ? "YES" : "no",
76 				scene[n].name);
77 		}
78 reprint:
79 		printf("\nScenario number? ");
80 		(void) fflush(stdout);
81 		(void) scanf("%d", &game);
82 		while (getchar() != '\n')
83 			;
84 	}
85 	if (game < 0 || game >= NSCENE) {
86 		(void) puts("Very funny.");
87 		exit(1);
88 	}
89 	cc = &scene[game];
90 	ls = SHIP(cc->vessels);
91 
92 	for (n = 0; n < NNATION; n++)
93 		nat[n] = 0;
94 	foreachship(sp) {
95 		if (sp->file == NULL &&
96 		    (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
97 			(void) puts("OUT OF MEMORY");
98 			exit(1);
99 		}
100 		sp->file->index = sp - SHIP(0);
101 		sp->file->stern = nat[sp->nationality]++;
102 		sp->file->dir = sp->shipdir;
103 		sp->file->row = sp->shiprow;
104 		sp->file->col = sp->shipcol;
105 	}
106 	windspeed = cc->windspeed;
107 	winddir = cc->winddir;
108 
109 	(void) signal(SIGHUP, choke);
110 	(void) signal(SIGINT, choke);
111 
112 	hasdriver = sync_exists(game);
113 	if (sync_open() < 0) {
114 		perror("sail: syncfile");
115 		exit(1);
116 	}
117 
118 	if (hasdriver) {
119 		(void) puts("Synchronizing with the other players...");
120 		(void) fflush(stdout);
121 		if (Sync() < 0)
122 			leave(LEAVE_SYNC);
123 	}
124 	for (;;) {
125 		foreachship(sp)
126 			if (sp->file->captain[0] == 0 && !sp->file->struck
127 			    && sp->file->captured == 0)
128 				break;
129 		if (sp >= ls) {
130 			(void) puts("All ships taken in that scenario.");
131 			foreachship(sp)
132 				free((char *)sp->file);
133 			sync_close(0);
134 			people = 0;
135 			goto reprint;
136 		}
137 		if (randomize) {
138 			player = sp - SHIP(0);
139 		} else {
140 			printf("%s\n\n", cc->name);
141 			foreachship(sp)
142 				printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
143 					sp->file->index,
144 					countryname[sp->nationality],
145 					sp->shipname,
146 					sp->specs->pts,
147 					saywhat(sp, 1));
148 			printf("\nWhich ship (0-%d)? ", cc->vessels-1);
149 			(void) fflush(stdout);
150 			if (scanf("%d", &player) != 1 || player < 0
151 			    || player >= cc->vessels) {
152 				while (getchar() != '\n')
153 					;
154 				(void) puts("Say what?");
155 				player = -1;
156 			} else
157 				while (getchar() != '\n')
158 					;
159 		}
160 		if (player < 0)
161 			continue;
162 		if (Sync() < 0)
163 			leave(LEAVE_SYNC);
164 		fp = SHIP(player)->file;
165 		if (fp->captain[0] || fp->struck || fp->captured != 0)
166 			(void) puts("That ship is taken.");
167 		else
168 			break;
169 	}
170 
171 	ms = SHIP(player);
172 	mf = ms->file;
173 	mc = ms->specs;
174 
175 	Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
176 	if (Sync() < 0)
177 		leave(LEAVE_SYNC);
178 
179 	(void) signal(SIGCHLD, child);
180 	if (!hasdriver)
181 		switch (fork()) {
182 		case 0:
183 			longjmp(restart, MODE_DRIVER);
184 			/*NOTREACHED*/
185 		case -1:
186 			perror("fork");
187 			leave(LEAVE_FORK);
188 			break;
189 		default:
190 			hasdriver++;
191 		}
192 
193 	printf("Your ship is the %s, a %d gun %s (%s crew).\n",
194 		ms->shipname, mc->guns, classname[mc->class],
195 		qualname[mc->qual]);
196 	if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
197 		(void) strncpy(captain, nameptr, sizeof captain);
198 	else {
199 		(void) printf("Your name, Captain? ");
200 		(void) fflush(stdout);
201 		(void) fgets(captain, sizeof captain, stdin);
202 		if (!*captain)
203 			(void) strcpy(captain, "no name");
204 		else
205 			captain[sizeof(captain) - 1] = '\0';
206 	}
207 	Write(W_CAPTAIN, ms, 1, (long)captain, 0, 0, 0);
208 	for (n = 0; n < 2; n++) {
209 		char buf[10];
210 
211 		printf("\nInitial broadside %s (grape, chain, round, double): ",
212 			n ? "right" : "left");
213 		(void) fflush(stdout);
214 		(void) scanf("%9s", buf);
215 		switch (*buf) {
216 		case 'g':
217 			load = L_GRAPE;
218 			break;
219 		case 'c':
220 			load = L_CHAIN;
221 			break;
222 		case 'r':
223 			load = L_ROUND;
224 			break;
225 		case 'd':
226 			load = L_DOUBLE;
227 			break;
228 		default:
229 			load = L_ROUND;
230 		}
231 		if (n) {
232 			mf->loadR = load;
233 			mf->readyR = R_LOADED|R_INITIAL;
234 		} else {
235 			mf->loadL = load;
236 			mf->readyL = R_LOADED|R_INITIAL;
237 		}
238 	}
239 
240 	initscreen();
241 	draw_board();
242 	(void) sprintf(message, "Captain %s assuming command", captain);
243 	Write(W_SIGNAL, ms, 1, (long)message, 0, 0, 0);
244 	newturn();
245 }
246