xref: /openbsd/games/sail/pl_main.c (revision 747bd222)
1 /*	$OpenBSD: pl_main.c,v 1.16 2016/01/08 20:26:33 mestre Exp $	*/
2 /*	$NetBSD: pl_main.c,v 1.5 1995/04/24 12:25:25 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <err.h>
34 #include <signal.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39 
40 #include "extern.h"
41 #include "player.h"
42 
43 void
pl_main(void)44 pl_main(void)
45 {
46 	initialize();
47 	Msg("Aye aye, Sir");
48 	play();
49 }
50 
51 void
initialize(void)52 initialize(void)
53 {
54 	struct File *fp;
55 	struct ship *sp;
56 	char captain[20];
57 	char message[60];
58 	int load;
59 	int n;
60 	char *nameptr;
61 	int nat[NNATION];
62 
63 	if (game < 0) {
64 		(void) puts("Choose a scenario:\n");
65 		(void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
66 		for (n = 0; n < NSCENE; n++) {
67 			/* ( */
68 			printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
69 				sync_exists(n) ? "YES" : "no",
70 				scene[n].name);
71 		}
72 reprint:
73 		printf("\nScenario number? ");
74 		(void) fflush(stdout);
75 		(void) scanf("%d", &game);
76 		while (getchar() != '\n' && !feof(stdin))
77 			;
78 	}
79 	if (game < 0 || game >= NSCENE)
80 		errx(1, "Very funny.");
81 	cc = &scene[game];
82 	ls = SHIP(cc->vessels);
83 
84 	for (n = 0; n < NNATION; n++)
85 		nat[n] = 0;
86 	foreachship(sp) {
87 		if (sp->file == NULL &&
88 		    (sp->file = calloc(1, sizeof (struct File))) == NULL)
89 			err(1, NULL);
90 		sp->file->index = sp - SHIP(0);
91 		sp->file->stern = nat[sp->nationality]++;
92 		sp->file->dir = sp->shipdir;
93 		sp->file->row = sp->shiprow;
94 		sp->file->col = sp->shipcol;
95 	}
96 	windspeed = cc->windspeed;
97 	winddir = cc->winddir;
98 
99 	(void) signal(SIGHUP, choke);
100 	(void) signal(SIGINT, choke);
101 
102 	hasdriver = sync_exists(game);
103 	if (sync_open() < 0)
104 		err(1, "syncfile");
105 
106 	if (hasdriver) {
107 		(void) puts("Synchronizing with the other players...");
108 		(void) fflush(stdout);
109 		if (Sync() < 0)
110 			leave(LEAVE_SYNC);
111 	}
112 	for (;;) {
113 		foreachship(sp)
114 			if (sp->file->captain[0] == 0 && !sp->file->struck
115 			    && sp->file->captured == 0)
116 				break;
117 		if (sp >= ls) {
118 			(void) puts("All ships taken in that scenario.");
119 			foreachship(sp)
120 				free((char *)sp->file);
121 			sync_close(0);
122 			people = 0;
123 			goto reprint;
124 		}
125 		if (randomize) {
126 			player = sp - SHIP(0);
127 		} else {
128 			printf("%s\n\n", cc->name);
129 			foreachship(sp)
130 				printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
131 					sp->file->index,
132 					countryname[sp->nationality],
133 					sp->shipname,
134 					sp->specs->pts,
135 					saywhat(sp, 1));
136 			printf("\nWhich ship (0-%d)? ", cc->vessels-1);
137 			(void) fflush(stdout);
138 			if (scanf("%d", &player) != 1 || player < 0
139 			    || player >= cc->vessels) {
140 				while (getchar() != '\n' && !feof(stdin))
141 					;
142 				if (feof(stdin)) {
143 					printf("\nExiting...\n");
144 					leave(LEAVE_QUIT);
145 				}
146 				(void) puts("Say what?");
147 				player = -1;
148 			} else
149 				while (getchar() != '\n' && !feof(stdin))
150 					;
151 		}
152 		if (player < 0)
153 			continue;
154 		if (Sync() < 0)
155 			leave(LEAVE_SYNC);
156 		fp = SHIP(player)->file;
157 		if (fp->captain[0] || fp->struck || fp->captured != 0)
158 			(void) puts("That ship is taken.");
159 		else
160 			break;
161 	}
162 
163 	ms = SHIP(player);
164 	mf = ms->file;
165 	mc = ms->specs;
166 
167 	Write(W_BEGIN, ms, 0, 0, 0, 0);
168 	if (Sync() < 0)
169 		leave(LEAVE_SYNC);
170 
171 	(void) signal(SIGCHLD, child);
172 	if (!hasdriver)
173 		switch (fork()) {
174 		case 0:
175 			longjmp(restart, MODE_DRIVER);
176 		case -1:
177 			perror("fork");
178 			leave(LEAVE_FORK);
179 			break;
180 		default:
181 			hasdriver++;
182 		}
183 
184 	printf("Your ship is the %s, a %d gun %s (%s crew).\n",
185 		ms->shipname, mc->guns, classname[mc->class],
186 		qualname[mc->qual]);
187 	if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
188 		(void) strlcpy(captain, nameptr, sizeof captain);
189 	else {
190 		(void) printf("Your name, Captain? ");
191 		(void) fflush(stdout);
192 		if (fgets(captain, sizeof captain, stdin) == NULL ||
193 		    captain[0] == '\0' || captain[0] == '\n')
194 			(void) strlcpy(captain, "no name", sizeof captain);
195 		else if (captain[strlen(captain) - 1] == '\n')
196 		    captain[strlen(captain) - 1] = '\0';
197 	}
198 	Writestr(W_CAPTAIN, ms, captain);
199 	for (n = 0; n < 2; n++) {
200 		char buf[10];
201 
202 		printf("\nInitial broadside %s (grape, chain, round, double): ",
203 			n ? "right" : "left");
204 		(void) fflush(stdout);
205 		(void) scanf("%9s", buf);
206 		switch (*buf) {
207 		case 'g':
208 			load = L_GRAPE;
209 			break;
210 		case 'c':
211 			load = L_CHAIN;
212 			break;
213 		case 'r':
214 			load = L_ROUND;
215 			break;
216 		case 'd':
217 			load = L_DOUBLE;
218 			break;
219 		default:
220 			load = L_ROUND;
221 		}
222 		if (n) {
223 			mf->loadR = load;
224 			mf->readyR = R_LOADED|R_INITIAL;
225 		} else {
226 			mf->loadL = load;
227 			mf->readyL = R_LOADED|R_INITIAL;
228 		}
229 	}
230 
231 	printf("\n");
232 	(void) fflush(stdout);
233 	initscreen();
234 	draw_board();
235 	(void) snprintf(message, sizeof message, "Captain %s assuming command",
236 			captain);
237 	Writestr(W_SIGNAL, ms, message);
238 	newturn(0);
239 }
240