-/* $NetBSD: sync.c,v 1.4 1995/04/24 12:25:28 cgd Exp $ */
+/* $NetBSD: sync.c,v 1.33 2009/03/14 23:47:18 dholland Exp $ */
/*
* Copyright (c) 1983, 1993
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
#if 0
-static char sccsid[] = "@(#)sync.c 8.1 (Berkeley) 5/31/93";
+static char sccsid[] = "@(#)sync.c 8.2 (Berkeley) 4/28/95";
#else
-static char rcsid[] = "$NetBSD: sync.c,v 1.4 1995/04/24 12:25:28 cgd Exp $";
+__RCSID("$NetBSD: sync.c,v 1.33 2009/03/14 23:47:18 dholland Exp $");
#endif
#endif /* not lint */
-#include "externs.h"
-#include <sys/file.h>
-#include <sys/errno.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <errno.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include "extern.h"
+#include "pathnames.h"
#define BUFSIZE 4096
+/* Message types */
+#define W_CAPTAIN 1
+#define W_CAPTURED 2
+#define W_CLASS 3
+#define W_CREW 4
+#define W_DBP 5
+#define W_DRIFT 6
+#define W_EXPLODE 7
+/* W_FILE 8 not used */
+#define W_FOUL 9
+#define W_GUNL 10
+#define W_GUNR 11
+#define W_HULL 12
+#define W_MOVE 13
+#define W_OBP 14
+#define W_PCREW 15
+#define W_UNFOUL 16
+#define W_POINTS 17
+#define W_QUAL 18
+#define W_UNGRAP 19
+#define W_RIGG 20
+#define W_COL 21
+#define W_DIR 22
+#define W_ROW 23
+#define W_SIGNAL 24
+#define W_SINK 25
+#define W_STRUCK 26
+#define W_TA 27
+#define W_ALIVE 28
+#define W_TURN 29
+#define W_WIND 30
+#define W_FS 31
+#define W_GRAP 32
+#define W_RIG1 33
+#define W_RIG2 34
+#define W_RIG3 35
+#define W_RIG4 36
+#define W_BEGIN 37
+#define W_END 38
+#define W_DDEAD 39
+
+
+static void recv_captain(struct ship *ship, const char *astr);
+static void recv_captured(struct ship *ship, long a);
+static void recv_class(struct ship *ship, long a);
+static void recv_crew(struct ship *ship, long a, long b, long c);
+static void recv_dbp(struct ship *ship, long a, long b, long c, long d);
+static void recv_drift(struct ship *ship, long a);
+static void recv_explode(struct ship *ship, long a);
+static void recv_foul(struct ship *ship, long a);
+static void recv_gunl(struct ship *ship, long a, long b);
+static void recv_gunr(struct ship *ship, long a, long b);
+static void recv_hull(struct ship *ship, long a);
+static void recv_move(struct ship *ship, const char *astr);
+static void recv_obp(struct ship *ship, long a, long b, long c, long d);
+static void recv_pcrew(struct ship *ship, long a);
+static void recv_unfoul(struct ship *ship, long a, long b);
+static void recv_points(struct ship *ship, long a);
+static void recv_qual(struct ship *ship, long a);
+static void recv_ungrap(struct ship *ship, long a, long b);
+static void recv_rigg(struct ship *ship, long a, long b, long c, long d);
+static void recv_col(struct ship *ship, long a);
+static void recv_dir(struct ship *ship, long a);
+static void recv_row(struct ship *ship, long a);
+static void recv_signal(struct ship *ship, const char *astr);
+static void recv_sink(struct ship *ship, long a);
+static void recv_struck(struct ship *ship, long a);
+static void recv_ta(struct ship *ship, long a);
+static void recv_alive(void);
+static void recv_turn(long a);
+static void recv_wind(long a, long b);
+static void recv_fs(struct ship *ship, long a);
+static void recv_grap(struct ship *ship, long a);
+static void recv_rig1(struct ship *ship, long a);
+static void recv_rig2(struct ship *ship, long a);
+static void recv_rig3(struct ship *ship, long a);
+static void recv_rig4(struct ship *ship, long a);
+static void recv_begin(struct ship *ship);
+static void recv_end(struct ship *ship);
+static void recv_ddead(void);
+
+static void Write(int, struct ship *, long, long, long, long);
+static void Writestr(int, struct ship *, const char *);
+
+static int sync_update(int, struct ship *, const char *,
+ long, long, long, long);
+
static char sync_buf[BUFSIZE];
static char *sync_bp = sync_buf;
-static char sync_lock[25];
-static char sync_file[25];
static long sync_seek;
static FILE *sync_fp;
-#define SF "/tmp/#sailsink.%d"
-#define LF "/tmp/#saillock.%d"
+
+static const char *
+get_sync_file(int scenario_number)
+{
+ static char sync_file[NAME_MAX];
+
+ snprintf(sync_file, sizeof(sync_file), _FILE_SYNC, scenario_number);
+ return sync_file;
+}
+
+static const char *
+get_lock_file(int scenario_number)
+{
+ static char sync_lock[NAME_MAX];
+
+ snprintf(sync_lock, sizeof(sync_lock), _FILE_LOCK, scenario_number);
+ return sync_lock;
+}
+
+void
+fmtship(char *buf, size_t len, const char *fmt, struct ship *ship)
+{
+ while (*fmt) {
+ if (len-- == 0) {
+ *buf = '\0';
+ return;
+ }
+ if (*fmt == '$' && fmt[1] == '$') {
+ size_t l = snprintf(buf, len, "%s (%c%c)",
+ ship->shipname, colours(ship), sterncolour(ship));
+ buf += l;
+ len -= l - 1;
+ fmt += 2;
+ }
+ else
+ *buf++ = *fmt++;
+ }
+
+ if (len > 0)
+ *buf = '\0';
+}
+
/*VARARGS3*/
-makesignal(from, fmt, ship, a, b, c)
- struct ship *from;
- char *fmt;
- register struct ship *ship;
- long a, b, c;
+void
+makesignal(struct ship *from, const char *fmt, struct ship *ship, ...)
{
- char message[80];
+ char message[BUFSIZ];
+ char format[BUFSIZ];
+ va_list ap;
- if (ship == 0)
- (void) sprintf(message, fmt, a, b, c);
- else
- (void) sprintf(message, fmt,
- ship->shipname, colours(ship),
- sterncolour(ship), a, b, c);
- Write(W_SIGNAL, from, 1, (long)message, 0, 0, 0);
+ va_start(ap, ship);
+ fmtship(format, sizeof(format), fmt, ship);
+ vsnprintf(message, sizeof(message), format, ap);
+ va_end(ap);
+ send_signal(from, message);
}
-#include <sys/types.h>
-#include <sys/stat.h>
-sync_exists(game)
+/*VARARGS2*/
+void
+makemsg(struct ship *from, const char *fmt, ...)
+{
+ char message[BUFSIZ];
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsnprintf(message, sizeof(message), fmt, ap);
+ va_end(ap);
+ send_signal(from, message);
+}
+
+int
+sync_exists(int gamenum)
{
- char buf[sizeof sync_file];
+ const char *path;
struct stat s;
time_t t;
- (void) sprintf(buf, SF, game);
- (void) time(&t);
- if (stat(buf, &s) < 0)
+ path = get_sync_file(gamenum);
+ time(&t);
+ setegid(egid);
+ if (stat(path, &s) < 0) {
+ setegid(gid);
return 0;
+ }
if (s.st_mtime < t - 60*60*2) { /* 2 hours */
- (void) unlink(buf);
- (void) sprintf(buf, LF, game);
- (void) unlink(buf);
+ unlink(path);
+ path = get_lock_file(gamenum);
+ unlink(path);
+ setegid(gid);
return 0;
- } else
+ } else {
+ setegid(gid);
return 1;
+ }
}
-sync_open()
+int
+sync_open(void)
{
+ const char *sync_file;
+ const char *sync_lock;
+ struct stat tmp;
+
if (sync_fp != NULL)
- (void) fclose(sync_fp);
- (void) sprintf(sync_lock, LF, game);
- (void) sprintf(sync_file, SF, game);
- if (access(sync_file, 0) < 0) {
- int omask = umask(issetuid ? 077 : 011);
+ fclose(sync_fp);
+ sync_file = get_sync_file(game);
+ sync_lock = get_lock_file(game);
+ setegid(egid);
+ if (stat(sync_file, &tmp) < 0) {
+ mode_t omask = umask(002);
sync_fp = fopen(sync_file, "w+");
- (void) umask(omask);
+ umask(omask);
} else
sync_fp = fopen(sync_file, "r+");
+ setegid(gid);
if (sync_fp == NULL)
return -1;
sync_seek = 0;
return 0;
}
-sync_close(remove)
- char remove;
+void
+sync_close(int doremove)
{
+ const char *sync_file;
+
if (sync_fp != 0)
- (void) fclose(sync_fp);
- if (remove)
- (void) unlink(sync_file);
+ fclose(sync_fp);
+ if (doremove) {
+ sync_file = get_sync_file(game);
+ setegid(egid);
+ unlink(sync_file);
+ setegid(gid);
+ }
}
-Write(type, ship, isstr, a, b, c, d)
- int type;
- struct ship *ship;
- char isstr;
- long a, b, c, d;
+static void
+Write(int type, struct ship *ship, long a, long b, long c, long d)
{
- if (isstr)
- (void) sprintf(sync_bp, "%d %d %d %s\n",
- type, ship->file->index, isstr, a);
- else
- (void) sprintf(sync_bp, "%d %d %d %d %d %d %d\n",
- type, ship->file->index, isstr, a, b, c, d);
+ size_t max = sizeof(sync_buf) - (sync_bp - sync_buf);
+ int shipindex = (ship == NULL) ? 0 : ship->file->index;
+
+ snprintf(sync_bp, max, "%d %d 0 %ld %ld %ld %ld\n",
+ type, shipindex, a, b, c, d);
+ while (*sync_bp++)
+ ;
+ sync_bp--;
+ if (sync_bp >= &sync_buf[sizeof sync_buf])
+ abort();
+ sync_update(type, ship, NULL, a, b, c, d);
+}
+
+static void
+Writestr(int type, struct ship *ship, const char *a)
+{
+ size_t max = sizeof(sync_buf) - (sync_bp - sync_buf);
+ int shipindex = (ship == NULL) ? 0 : ship->file->index;
+
+ snprintf(sync_bp, max, "%d %d 1 %s\n", type, shipindex, a);
while (*sync_bp++)
;
sync_bp--;
if (sync_bp >= &sync_buf[sizeof sync_buf])
abort();
- (void) sync_update(type, ship, a, b, c, d);
+ sync_update(type, ship, a, 0, 0, 0, 0);
}
-Sync()
+int
+Sync(void)
{
sig_t sighup, sigint;
- register n;
+ int n;
int type, shipnum, isstr;
+ char *astr;
long a, b, c, d;
char buf[80];
char erred = 0;
- extern errno;
+#ifndef LOCK_EX
+ const char *sync_file;
+ const char *sync_lock;
+#endif
sighup = signal(SIGHUP, SIG_IGN);
sigint = signal(SIGINT, SIG_IGN);
if (errno != EWOULDBLOCK)
return -1;
#else
- if (link(sync_file, sync_lock) >= 0)
+ sync_file = get_sync_file(game);
+ sync_lock = get_lock_file(game);
+ setegid(egid);
+ if (link(sync_file, sync_lock) >= 0) {
+ setegid(gid);
break;
+ }
+ setegid(gid);
if (errno != EEXIST)
return -1;
#endif
}
if (n <= 0)
return -1;
- (void) fseek(sync_fp, sync_seek, 0);
+ fseek(sync_fp, sync_seek, SEEK_SET);
for (;;) {
switch (fscanf(sync_fp, "%d%d%d", &type, &shipnum, &isstr)) {
case 3:
if (isstr != 0 && isstr != 1)
goto bad;
if (isstr) {
- register char *p;
+ int ch;
+ char *p;
+
for (p = buf;;) {
- switch (*p++ = getc(sync_fp)) {
+ ch = getc(sync_fp);
+ *p++ = ch;
+ switch (ch) {
case '\n':
p--;
case EOF:
*p = 0;
for (p = buf; *p == ' '; p++)
;
- a = (long)p;
- b = c = d = 0;
- } else
- if (fscanf(sync_fp, "%d%d%d%d", &a, &b, &c, &d) != 4)
+ astr = p;
+ a = b = c = d = 0;
+ } else {
+ if (fscanf(sync_fp, "%ld%ld%ld%ld", &a, &b, &c, &d)
+ != 4)
goto bad;
- if (sync_update(type, SHIP(shipnum), a, b, c, d) < 0)
+ astr = NULL;
+ }
+ if (sync_update(type, SHIP(shipnum), astr, a, b, c, d) < 0)
goto bad;
}
bad:
erred++;
out:
if (!erred && sync_bp != sync_buf) {
- (void) fseek(sync_fp, 0L, 2);
- (void) fwrite(sync_buf, sizeof *sync_buf, sync_bp - sync_buf,
+ fseek(sync_fp, 0L, SEEK_END);
+ fwrite(sync_buf, sizeof *sync_buf, sync_bp - sync_buf,
sync_fp);
- (void) fflush(sync_fp);
+ fflush(sync_fp);
sync_bp = sync_buf;
}
sync_seek = ftell(sync_fp);
#ifdef LOCK_EX
- (void) flock(fileno(sync_fp), LOCK_UN);
+ flock(fileno(sync_fp), LOCK_UN);
#else
- (void) unlink(sync_lock);
+ setegid(egid);
+ unlink(sync_lock);
+ setegid(gid);
#endif
- (void) signal(SIGHUP, sighup);
- (void) signal(SIGINT, sigint);
+ signal(SIGHUP, sighup);
+ signal(SIGINT, sigint);
return erred ? -1 : 0;
}
-sync_update(type, ship, a, b, c, d)
- int type;
- register struct ship *ship;
- long a, b, c, d;
+static int
+sync_update(int type, struct ship *ship, const char *astr,
+ long a, long b, long c, long d)
{
switch (type) {
- case W_DBP: {
- register struct BP *p = &ship->file->DBP[a];
- p->turnsent = b;
- p->toship = SHIP(c);
- p->mensent = d;
- break;
- }
- case W_OBP: {
- register struct BP *p = &ship->file->OBP[a];
- p->turnsent = b;
- p->toship = SHIP(c);
- p->mensent = d;
- break;
- }
- case W_FOUL: {
- register struct snag *p = &ship->file->foul[a];
- if (SHIP(a)->file->dir == 0)
- break;
- if (p->sn_count++ == 0)
- p->sn_turn = turn;
- ship->file->nfoul++;
- break;
- }
- case W_GRAP: {
- register struct snag *p = &ship->file->grap[a];
- if (SHIP(a)->file->dir == 0)
- break;
- if (p->sn_count++ == 0)
- p->sn_turn = turn;
- ship->file->ngrap++;
- break;
- }
- case W_UNFOUL: {
- register struct snag *p = &ship->file->foul[a];
- if (p->sn_count > 0)
- if (b) {
- ship->file->nfoul -= p->sn_count;
- p->sn_count = 0;
- } else {
- ship->file->nfoul--;
- p->sn_count--;
- }
- break;
- }
- case W_UNGRAP: {
- register struct snag *p = &ship->file->grap[a];
- if (p->sn_count > 0)
- if (b) {
- ship->file->ngrap -= p->sn_count;
- p->sn_count = 0;
- } else {
- ship->file->ngrap--;
- p->sn_count--;
- }
- break;
- }
- case W_SIGNAL:
- if (mode == MODE_PLAYER)
- if (nobells)
- Signal("%s (%c%c): %s", ship, a);
- else
- Signal("\7%s (%c%c): %s", ship, a);
- break;
- case W_CREW: {
- register struct shipspecs *s = ship->specs;
- s->crew1 = a;
- s->crew2 = b;
- s->crew3 = c;
- break;
- }
- case W_CAPTAIN:
- (void) strncpy(ship->file->captain, (char *)a,
- sizeof ship->file->captain - 1);
- ship->file->captain[sizeof ship->file->captain - 1] = 0;
- break;
- case W_CAPTURED:
- if (a < 0)
- ship->file->captured = 0;
- else
- ship->file->captured = SHIP(a);
- break;
- case W_CLASS:
- ship->specs->class = a;
- break;
- case W_DRIFT:
- ship->file->drift = a;
- break;
- case W_EXPLODE:
- if ((ship->file->explode = a) == 2)
- ship->file->dir = 0;
- break;
- case W_FS:
- ship->file->FS = a;
- break;
- case W_GUNL: {
- register struct shipspecs *s = ship->specs;
- s->gunL = a;
- s->carL = b;
- break;
- }
- case W_GUNR: {
- register struct shipspecs *s = ship->specs;
- s->gunR = a;
- s->carR = b;
- break;
- }
- case W_HULL:
- ship->specs->hull = a;
- break;
- case W_MOVE:
- (void) strncpy(ship->file->movebuf, (char *)a,
- sizeof ship->file->movebuf - 1);
- ship->file->movebuf[sizeof ship->file->movebuf - 1] = 0;
- break;
- case W_PCREW:
- ship->file->pcrew = a;
- break;
- case W_POINTS:
- ship->file->points = a;
- break;
- case W_QUAL:
- ship->specs->qual = a;
- break;
- case W_RIGG: {
- register struct shipspecs *s = ship->specs;
- s->rig1 = a;
- s->rig2 = b;
- s->rig3 = c;
- s->rig4 = d;
- break;
- }
- case W_RIG1:
- ship->specs->rig1 = a;
- break;
- case W_RIG2:
- ship->specs->rig2 = a;
- break;
- case W_RIG3:
- ship->specs->rig3 = a;
- break;
- case W_RIG4:
- ship->specs->rig4 = a;
- break;
- case W_COL:
- ship->file->col = a;
- break;
- case W_DIR:
- ship->file->dir = a;
- break;
- case W_ROW:
- ship->file->row = a;
- break;
- case W_SINK:
- if ((ship->file->sink = a) == 2)
- ship->file->dir = 0;
- break;
- case W_STRUCK:
- ship->file->struck = a;
- break;
- case W_TA:
- ship->specs->ta = a;
- break;
- case W_ALIVE:
- alive = 1;
- break;
- case W_TURN:
- turn = a;
- break;
- case W_WIND:
- winddir = a;
- windspeed = b;
- break;
- case W_BEGIN:
- (void) strcpy(ship->file->captain, "begin");
- people++;
- break;
- case W_END:
- *ship->file->captain = 0;
- ship->file->points = 0;
- people--;
- break;
- case W_DDEAD:
- hasdriver = 0;
- break;
+ case W_CAPTAIN: recv_captain(ship, astr); break;
+ case W_CAPTURED: recv_captured(ship, a); break;
+ case W_CLASS: recv_class(ship, a); break;
+ case W_CREW: recv_crew(ship, a, b, c); break;
+ case W_DBP: recv_dbp(ship, a, b, c, d); break;
+ case W_DRIFT: recv_drift(ship, a); break;
+ case W_EXPLODE: recv_explode(ship, a); break;
+ case W_FOUL: recv_foul(ship, a); break;
+ case W_GUNL: recv_gunl(ship, a, b); break;
+ case W_GUNR: recv_gunr(ship, a, b); break;
+ case W_HULL: recv_hull(ship, a); break;
+ case W_MOVE: recv_move(ship, astr); break;
+ case W_OBP: recv_obp(ship, a, b, c, d); break;
+ case W_PCREW: recv_pcrew(ship, a); break;
+ case W_UNFOUL: recv_unfoul(ship, a, b); break;
+ case W_POINTS: recv_points(ship, a); break;
+ case W_QUAL: recv_qual(ship, a); break;
+ case W_UNGRAP: recv_ungrap(ship, a, b); break;
+ case W_RIGG: recv_rigg(ship, a, b, c, d); break;
+ case W_COL: recv_col(ship, a); break;
+ case W_DIR: recv_dir(ship, a); break;
+ case W_ROW: recv_row(ship, a); break;
+ case W_SIGNAL: recv_signal(ship, astr); break;
+ case W_SINK: recv_sink(ship, a); break;
+ case W_STRUCK: recv_struck(ship, a); break;
+ case W_TA: recv_ta(ship, a); break;
+ case W_ALIVE: recv_alive(); break;
+ case W_TURN: recv_turn(a); break;
+ case W_WIND: recv_wind(a, b); break;
+ case W_FS: recv_fs(ship, a); break;
+ case W_GRAP: recv_grap(ship, a); break;
+ case W_RIG1: recv_rig1(ship, a); break;
+ case W_RIG2: recv_rig2(ship, a); break;
+ case W_RIG3: recv_rig3(ship, a); break;
+ case W_RIG4: recv_rig4(ship, a); break;
+ case W_BEGIN: recv_begin(ship); break;
+ case W_END: recv_end(ship); break;
+ case W_DDEAD: recv_ddead(); break;
default:
fprintf(stderr, "sync_update: unknown type %d\r\n", type);
return -1;
}
return 0;
}
+
+/*
+ * Messages to send
+ */
+
+void
+send_captain(struct ship *ship, const char *astr)
+{
+ Writestr(W_CAPTAIN, ship, astr);
+}
+
+void
+send_captured(struct ship *ship, long a)
+{
+ Write(W_CAPTURED, ship, a, 0, 0, 0);
+}
+
+void
+send_class(struct ship *ship, long a)
+{
+ Write(W_CLASS, ship, a, 0, 0, 0);
+}
+
+void
+send_crew(struct ship *ship, long a, long b, long c)
+{
+ Write(W_CREW, ship, a, b, c, 0);
+}
+
+void
+send_dbp(struct ship *ship, long a, long b, long c, long d)
+{
+ Write(W_DBP, ship, a, b, c, d);
+}
+
+void
+send_drift(struct ship *ship, long a)
+{
+ Write(W_DRIFT, ship, a, 0, 0, 0);
+}
+
+void
+send_explode(struct ship *ship, long a)
+{
+ Write(W_EXPLODE, ship, a, 0, 0, 0);
+}
+
+void
+send_foul(struct ship *ship, long a)
+{
+ Write(W_FOUL, ship, a, 0, 0, 0);
+}
+
+void
+send_gunl(struct ship *ship, long a, long b)
+{
+ Write(W_GUNL, ship, a, b, 0, 0);
+}
+
+void
+send_gunr(struct ship *ship, long a, long b)
+{
+ Write(W_GUNR, ship, a, b, 0, 0);
+}
+
+void
+send_hull(struct ship *ship, long a)
+{
+ Write(W_HULL, ship, a, 0, 0, 0);
+}
+
+void
+send_move(struct ship *ship, const char *astr)
+{
+ Writestr(W_MOVE, ship, astr);
+}
+
+void
+send_obp(struct ship *ship, long a, long b, long c, long d)
+{
+ Write(W_OBP, ship, a, b, c, d);
+}
+
+void
+send_pcrew(struct ship *ship, long a)
+{
+ Write(W_PCREW, ship, a, 0, 0, 0);
+}
+
+void
+send_unfoul(struct ship *ship, long a, long b)
+{
+ Write(W_UNFOUL, ship, a, b, 0, 0);
+}
+
+void
+send_points(struct ship *ship, long a)
+{
+ Write(W_POINTS, ship, a, 0, 0, 0);
+}
+
+void
+send_qual(struct ship *ship, long a)
+{
+ Write(W_QUAL, ship, a, 0, 0, 0);
+}
+
+void
+send_ungrap(struct ship *ship, long a, long b)
+{
+ Write(W_UNGRAP, ship, a, b, 0, 0);
+}
+
+void
+send_rigg(struct ship *ship, long a, long b, long c, long d)
+{
+ Write(W_RIGG, ship, a, b, c, d);
+}
+
+void
+send_col(struct ship *ship, long a)
+{
+ Write(W_COL, ship, a, 0, 0, 0);
+}
+
+void
+send_dir(struct ship *ship, long a)
+{
+ Write(W_DIR, ship, a, 0, 0, 0);
+}
+
+void
+send_row(struct ship *ship, long a)
+{
+ Write(W_ROW, ship, a, 0, 0, 0);
+}
+
+void
+send_signal(struct ship *ship, const char *astr)
+{
+ Writestr(W_SIGNAL, ship, astr);
+}
+
+void
+send_sink(struct ship *ship, long a)
+{
+ Write(W_SINK, ship, a, 0, 0, 0);
+}
+
+void
+send_struck(struct ship *ship, long a)
+{
+ Write(W_STRUCK, ship, a, 0, 0, 0);
+}
+
+void
+send_ta(struct ship *ship, long a)
+{
+ Write(W_TA, ship, a, 0, 0, 0);
+}
+
+void
+send_alive(void)
+{
+ Write(W_ALIVE, NULL, 0, 0, 0, 0);
+}
+
+void
+send_turn(long a)
+{
+ Write(W_TURN, NULL, a, 0, 0, 0);
+}
+
+void
+send_wind(long a, long b)
+{
+ Write(W_WIND, NULL, a, b, 0, 0);
+}
+
+void
+send_fs(struct ship *ship, long a)
+{
+ Write(W_FS, ship, a, 0, 0, 0);
+}
+
+void
+send_grap(struct ship *ship, long a)
+{
+ Write(W_GRAP, ship, a, 0, 0, 0);
+}
+
+void
+send_rig1(struct ship *ship, long a)
+{
+ Write(W_RIG1, ship, a, 0, 0, 0);
+}
+
+void
+send_rig2(struct ship *ship, long a)
+{
+ Write(W_RIG2, ship, a, 0, 0, 0);
+}
+
+void
+send_rig3(struct ship *ship, long a)
+{
+ Write(W_RIG3, ship, a, 0, 0, 0);
+}
+
+void
+send_rig4(struct ship *ship, long a)
+{
+ Write(W_RIG4, ship, a, 0, 0, 0);
+}
+
+void
+send_begin(struct ship *ship)
+{
+ Write(W_BEGIN, ship, 0, 0, 0, 0);
+}
+
+void
+send_end(struct ship *ship)
+{
+ Write(W_END, ship, 0, 0, 0, 0);
+}
+
+void
+send_ddead(void)
+{
+ Write(W_DDEAD, NULL, 0, 0, 0, 0);
+}
+
+
+/*
+ * Actions upon message receipt
+ */
+
+static void
+recv_captain(struct ship *ship, const char *astr)
+{
+ strlcpy(ship->file->captain, astr, sizeof ship->file->captain);
+}
+
+static void
+recv_captured(struct ship *ship, long a)
+{
+ if (a < 0)
+ ship->file->captured = 0;
+ else
+ ship->file->captured = SHIP(a);
+}
+
+static void
+recv_class(struct ship *ship, long a)
+{
+ ship->specs->class = a;
+}
+
+static void
+recv_crew(struct ship *ship, long a, long b, long c)
+{
+ struct shipspecs *s = ship->specs;
+
+ s->crew1 = a;
+ s->crew2 = b;
+ s->crew3 = c;
+}
+
+static void
+recv_dbp(struct ship *ship, long a, long b, long c, long d)
+{
+ struct BP *p = &ship->file->DBP[a];
+
+ p->turnsent = b;
+ p->toship = SHIP(c);
+ p->mensent = d;
+}
+
+static void
+recv_drift(struct ship *ship, long a)
+{
+ ship->file->drift = a;
+}
+
+static void
+recv_explode(struct ship *ship, long a)
+{
+ if ((ship->file->explode = a) == 2)
+ ship->file->dir = 0;
+}
+
+static void
+recv_foul(struct ship *ship, long a)
+{
+ struct snag *p = &ship->file->foul[a];
+
+ if (SHIP(a)->file->dir == 0)
+ return;
+ if (p->sn_count++ == 0)
+ p->sn_turn = turn;
+ ship->file->nfoul++;
+}
+
+static void
+recv_gunl(struct ship *ship, long a, long b)
+{
+ struct shipspecs *s = ship->specs;
+
+ s->gunL = a;
+ s->carL = b;
+}
+
+static void
+recv_gunr(struct ship *ship, long a, long b)
+{
+ struct shipspecs *s = ship->specs;
+
+ s->gunR = a;
+ s->carR = b;
+}
+
+static void
+recv_hull(struct ship *ship, long a)
+{
+ ship->specs->hull = a;
+}
+
+static void
+recv_move(struct ship *ship, const char *astr)
+{
+ strlcpy(ship->file->movebuf, astr, sizeof ship->file->movebuf);
+}
+
+static void
+recv_obp(struct ship *ship, long a, long b, long c, long d)
+{
+ struct BP *p = &ship->file->OBP[a];
+
+ p->turnsent = b;
+ p->toship = SHIP(c);
+ p->mensent = d;
+}
+
+static void
+recv_pcrew(struct ship *ship, long a)
+{
+ ship->file->pcrew = a;
+}
+
+static void
+recv_unfoul(struct ship *ship, long a, long b)
+{
+ struct snag *p = &ship->file->foul[a];
+
+ if (p->sn_count > 0) {
+ if (b) {
+ ship->file->nfoul -= p->sn_count;
+ p->sn_count = 0;
+ } else {
+ ship->file->nfoul--;
+ p->sn_count--;
+ }
+ }
+}
+
+static void
+recv_points(struct ship *ship, long a)
+{
+ ship->file->points = a;
+}
+
+static void
+recv_qual(struct ship *ship, long a)
+{
+ ship->specs->qual = a;
+}
+
+static void
+recv_ungrap(struct ship *ship, long a, long b)
+{
+ struct snag *p = &ship->file->grap[a];
+
+ if (p->sn_count > 0) {
+ if (b) {
+ ship->file->ngrap -= p->sn_count;
+ p->sn_count = 0;
+ } else {
+ ship->file->ngrap--;
+ p->sn_count--;
+ }
+ }
+}
+
+static void
+recv_rigg(struct ship *ship, long a, long b, long c, long d)
+{
+ struct shipspecs *s = ship->specs;
+
+ s->rig1 = a;
+ s->rig2 = b;
+ s->rig3 = c;
+ s->rig4 = d;
+}
+
+static void
+recv_col(struct ship *ship, long a)
+{
+ ship->file->col = a;
+}
+
+static void
+recv_dir(struct ship *ship, long a)
+{
+ ship->file->dir = a;
+}
+
+static void
+recv_row(struct ship *ship, long a)
+{
+ ship->file->row = a;
+}
+
+static void
+recv_signal(struct ship *ship, const char *astr)
+{
+ if (mode == MODE_PLAYER) {
+ if (nobells)
+ Signal("$$: %s", ship, astr);
+ else
+ Signal("\a$$: %s", ship, astr);
+ }
+}
+
+static void
+recv_sink(struct ship *ship, long a)
+{
+ if ((ship->file->sink = a) == 2)
+ ship->file->dir = 0;
+}
+
+static void
+recv_struck(struct ship *ship, long a)
+{
+ ship->file->struck = a;
+}
+
+static void
+recv_ta(struct ship *ship, long a)
+{
+ ship->specs->ta = a;
+}
+
+static void
+recv_alive(void)
+{
+ alive = 1;
+}
+
+static void
+recv_turn(long a)
+{
+ turn = a;
+}
+
+static void
+recv_wind(long a, long b)
+{
+ winddir = a;
+ windspeed = b;
+}
+
+static void
+recv_fs(struct ship *ship, long a)
+{
+ ship->file->FS = a;
+}
+
+static void
+recv_grap(struct ship *ship, long a)
+{
+ struct snag *p = &ship->file->grap[a];
+
+ if (SHIP(a)->file->dir == 0)
+ return;
+ if (p->sn_count++ == 0)
+ p->sn_turn = turn;
+ ship->file->ngrap++;
+}
+
+static void
+recv_rig1(struct ship *ship, long a)
+{
+ ship->specs->rig1 = a;
+}
+
+static void
+recv_rig2(struct ship *ship, long a)
+{
+ ship->specs->rig2 = a;
+}
+
+static void
+recv_rig3(struct ship *ship, long a)
+{
+ ship->specs->rig3 = a;
+}
+
+static void
+recv_rig4(struct ship *ship, long a)
+{
+ ship->specs->rig4 = a;
+}
+
+static void
+recv_begin(struct ship *ship)
+{
+ strcpy(ship->file->captain, "begin");
+ people++;
+}
+
+static void
+recv_end(struct ship *ship)
+{
+ *ship->file->captain = 0;
+ ship->file->points = 0;
+ people--;
+}
+
+static void
+recv_ddead(void)
+{
+ hasdriver = 0;
+}
git.ckatri.com / bsdgames-darwin.git / blobdiff