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multiple driver locations, and initial pos bug.
[unix-history] / usr / src / games / sail / pl_1.c
#ifndef lint
static char *sccsid = "@(#)pl_1.c 1.15 83/10/28";
#endif
#include "player.h"
#include <sys/types.h>
#include <sys/wait.h>
int choke(), child();
/*ARGSUSED*/
main(argc, argv)
int argc;
char **argv;
{
char nodrive = 0, randomize = 0, debug = 0;
extern char _sobuf[];
setbuf(stdout, _sobuf);
isplayer = 1;
while (*++argv && **argv == '-')
switch (*++*argv) {
case 'd':
nodrive = 1;
break;
case 'D':
debug++;
break;
case 'x':
randomize = 1;
break;
default:
printf("Unknown flag '%s'\n",*argv);
break;
}
if (*argv)
game = atoi(*argv);
else
game = -1;
initialize(nodrive, randomize, debug);
Signal("Aye aye, Sir", (struct ship *)0);
play();
}
initialize(nodriver, randomize, debug)
char randomize, nodriver, debug;
{
register struct File *fp;
register struct ship *sp;
char captain[80];
char message[60];
int load;
int active;
register int n;
char *nameptr;
int nat[NNATION];
(void) srand(getpid());
if (game < 0) {
(void) puts("Choose a scenario:\n");
(void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
for (n = 0; n < NSCENE; n++) {
/* ( */
printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
sync_exists(n) ? "YES" : "no",
scene[n].name);
}
reprint:
printf("\nScenario number? ");
(void) fflush(stdout);
(void) scanf("%d", &game);
while (getchar() != '\n')
;
}
if (game < 0 || game >= NSCENE) {
(void) puts("Very funny.");
exit(1);
}
cc = &scene[game];
ls = cc->ship + cc->vessels;
active = sync_exists(game);
if (sync_open() < 0) {
perror("sail: syncfile");
exit(1);
}
for (n = 0; n < NNATION; n++)
nat[n] = 0;
foreachship(sp) {
sp->file = (struct File *) calloc(1, sizeof (struct File));
if (sp->file == NULL) {
(void) puts("OUT OF MEMORY");
exit(0);
}
sp->file->stern = nat[sp->nationality]++;
sp->file->dir = sp->shipdir;
sp->file->row = sp->shiprow;
sp->file->col = sp->shipcol;
}
windspeed = cc->windspeed;
winddir = cc->winddir;
if (active) {
(void) puts("Synchronizing with the other players...");
(void) fflush(stdout);
Sync();
}
for (;;) {
foreachship(sp)
if (sp->file->captain[0] == 0 && !sp->file->struck
&& sp->file->captured == 0)
break;
if (sp >= ls) {
(void) puts("All ships taken in that scenario.");
foreachship(sp)
free((char *)sp->file);
sync_close(0);
people = 0;
goto reprint;
}
if (!randomize) {
player = sp - cc->ship;
} else {
printf("%s\n\n", cc->name);
foreachship(sp)
printf(" %2d: %-10s %-15s (%-2d pts) %s\n",
sp - SHIP(0),
countryname[sp->nationality],
sp->shipname,
sp->specs->pts,
saywhat(sp, 1));
printf("\nWhich ship (0-%d)? ", cc->vessels-1);
(void) fflush(stdout);
if (scanf("%d", &player) != 1 || player < 0
|| player >= cc->vessels) {
while (getchar() != '\n')
;
(void) puts("Say what?");
player = -1;
} else
while (getchar() != '\n')
;
}
if (player < 0)
continue;
Sync();
fp = SHIP(player)->file;
if (fp->captain[0] || fp->struck || fp->captured != 0)
(void) puts("That ship is taken.");
else
break;
}
ms = SHIP(player);
mf = ms->file;
mc = ms->specs;
(void) signal(SIGHUP, choke);
(void) signal(SIGINT, choke);
(void) signal(SIGQUIT, choke);
(void) signal(SIGCHLD, child);
Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
Sync();
printf("Your ship is the %s, a %d gun %s (%s crew).\n",
ms->shipname, mc->guns, classname[mc->class],
qualname[mc->qual]);
if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
(void) strncpy(captain, nameptr, sizeof captain);
else {
(void) printf("Your name, Captain? ");
(void) fflush(stdout);
(void) gets(captain);
if (!*captain)
(void) strcpy(captain, "no name");
}
captain[sizeof captain - 1] = '\0';
Write(W_CAPTAIN, ms, 1, (int)captain, 0, 0, 0);
for (n = 0; n < 2; n++) {
char buf[10];
printf("\nInitial broadside %s (grape, chain, round, double): ",
n ? "right" : "left");
(void) fflush(stdout);
(void) scanf("%s", buf);
switch (*buf) {
case 'g':
load = L_GRAPE;
break;
case 'c':
load = L_CHAIN;
break;
case 'r':
load = L_ROUND;
break;
case 'd':
load = L_DOUBLE;
break;
default:
load = L_ROUND;
}
if (n) {
mf->loadR = load;
mf->readyR = R_LOADED|R_INITIAL;
} else {
mf->loadL = load;
mf->readyL = R_LOADED|R_INITIAL;
}
}
if (!active && !nodriver) {
char num[10];
(void) sprintf(num, "%d", game);
if (!fork()) {
execl(DRIVER1, DRIVERNAME, num, 0);
execl(DRIVER2, DRIVERNAME, num, 0);
execl(DRIVER3, DRIVERNAME, num, 0);
perror(DRIVERNAME);
exit(1);
}
}
initscreen();
draw_board();
(void) sprintf(message, "Captain %s assuming command", captain);
Write(W_SIGNAL, ms, 1, (int)message, 0, 0, 0);
newturn();
}
leave(conditions)
int conditions;
{
FILE *fp;
int people;
float net;
char message[60];
register int n;
struct logs log[10], temp;
(void) signal(SIGHUP, SIG_IGN);
(void) signal(SIGINT, SIG_IGN);
(void) signal(SIGQUIT, SIG_IGN);
(void) signal(SIGALRM, SIG_IGN);
(void) signal(SIGCHLD, SIG_IGN);
if (conditions != -1) {
(void) sprintf(message,"Captain %s relinquishing.",
mf->captain);
Write(W_SIGNAL, ms, 1, (int)message, 0, 0, 0);
Write(W_END, ms, 0, 0, 0, 0, 0);
if (fp = fopen(LOGFILE, "r+")) {
net = (float)mf->points / mc->pts;
people = getw(fp);
n = fread((char *)log, sizeof(struct logs), 10, fp);
for (; n < 10; n++)
log[n].l_name[0]
= log[n].l_uid
= log[n].l_shipnum
= log[n].l_gamenum
= log[n].l_netpoints = 0;
rewind(fp);
if (people < 0)
(void) putw(1, fp);
else
(void) putw(people + 1, fp);
for (n = 0; n < 10; n++)
if (net > (float) log[n].l_netpoints / scene[log[n].l_gamenum].ship[log[n].l_shipnum].specs->pts) {
(void) fwrite((char *)log,
sizeof (struct logs), n, fp);
(void) strcpy(temp.l_name, mf->captain);
temp.l_uid = getuid();
temp.l_shipnum = player;
temp.l_gamenum = game;
temp.l_netpoints = mf->points;
(void) fwrite((char *)&temp,
sizeof temp, 1, fp);
(void) fwrite((char *)&log[n],
sizeof (struct logs), 9-n, fp);
break;
}
(void) fclose(fp);
}
if (done_curses) {
Signal("It looks like you've had it!",
(struct ship *)0);
switch (conditions) {
case LEAVE_QUIT:
break;
case LEAVE_CAPTURED:
Signal("Your ship was captured.",
(struct ship *)0);
break;
case LEAVE_HURRICAN:
Signal("Hurricane! All ships destroyed.",
(struct ship *)0);
break;
case LEAVE_DRIVER:
Signal("The driver died.", (struct ship *)0);
break;
default:
Signal("A funny thing happened (%d).",
(struct ship *)0, conditions);
}
} else {
switch (conditions) {
case LEAVE_QUIT:
break;
case LEAVE_DRIVER:
printf("The driver died.\n");
break;
default:
printf("A funny thing happened (%d).\n",
conditions);
}
}
Sync();
}
cleanupscreen();
exit(0);
}
choke()
{
leave(LEAVE_QUIT);
}
child()
{
union wait status;
int pid;
(void) signal(SIGCHLD, SIG_IGN);
do {
pid = wait3(&status, WNOHANG|WUNTRACED, (struct rusage *)0);
if (pid < 0 || pid > 0 && !WIFSTOPPED(status))
leave(LEAVE_DRIVER);
} while (pid != 0);
(void) signal(SIGCHLD, child);
}
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.