BSD 4_4 release

[unix-history] / usr / src / games / sail / pl_1.c

diff --git a/usr/src/games/sail/pl_1.c b/usr/src/games/sail/pl_1.c
index 563d464..4687b1f 100644 (file)
--- a/usr/src/games/sail/pl_1.c
+++ b/usr/src/games/sail/pl_1.c
@@ -1,441 +1,125 @@
+/*
+ * Copyright (c) 1983, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+

 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)pl_1.c      1.13 83/10/14";
-#endif
+static char sccsid[] = "@(#)pl_1.c     8.1 (Berkeley) 5/31/93";
+#endif /* not lint */

 
 #include "player.h"
 #include <sys/types.h>
 #include <sys/wait.h>
 
 
 #include "player.h"
 #include <sys/types.h>
 #include <sys/wait.h>
 

-int choke(), child();
-
-/*ARGSUSED*/
-main(argc, argv)
-int argc;
-char **argv;
+/*
+ * If we get here before a ship is chosen, then ms == 0 and
+ * we don't want to update the score file, or do any Write's either.
+ * We can assume the sync file is already created and may need
+ * to be removed.
+ * Of course, we don't do any more Sync()'s if we got here
+ * because of a Sync() failure.
+ */
+leave(conditions)
+int conditions;

 {
 {

-       register struct ship *sp;
-       int ta;
-       char aheadfirst;
-       int ma;
-       char nodrive = 0, randomize = 0, debug = 0;
-       char *badstring();
-       extern char _sobuf[];
-
-       setbuf(stdout, _sobuf);
-       isplayer = 1;
+       (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);

 
 

-       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);
-       for (;;) {
-               switch (sgetch("~\b", (struct ship *)0, 0)) {
-               case 'm':
-                       if (mc->crew3 && !snagged(ms)
-                           && windspeed != 0) {
-                               ta = maxturns(ms, &aheadfirst);
-                               ma = maxmove(ms, mf->dir, 0);
-                               acceptmove(ma, ta, aheadfirst);
-                       } else
-                               Signal("Unable to move", (struct ship *)0);
-                       break;
-               case 's':
-                       acceptsignal();
-                       break;
-               case 'g':
-                       grapungrap();
-                       break;
-               case 'u':
-                       unfoulplayer();
-                       break;
-               case 'v':
-                       Signal("%s", (struct ship *)0, version);
-                       break;
-               case 'b':
-                       doboarding();
-                       break;
-               case 'f':
-                       acceptcombat();
-                       break;
-               case 'l':
-                       loadplayer();
-                       break;
-               case 'c':
-                       changesail();
-                       break;
-               case 'r':
-                       repair();
-                       break;
-               case 'B':
-                       Signal("'Hands to stations!'", (struct ship *)0);
-                       unboard(ms, ms, 1);     /* cancel DBP's */
-                       unboard(ms, ms, 0);     /* cancel offense */
-                       break;
-               case '\f':
-                       centerview();
-                       board();
-                       screen();
-                       break;
-               case 'L':
-                       mf->loadL = L_EMPTY;
-                       mf->loadR = L_EMPTY;
-                       mf->readyL = R_EMPTY;
-                       mf->readyR = R_EMPTY;
-                       Signal("Broadsides unloaded", (struct ship *)0);
-                       break;
-               case 'q':
-                       Signal("Type 'Q' to quit", (struct ship *)0);
-                       break;
-               case 'Q':
-                       leave(LEAVE_QUIT);
-                       break;
-               case 'I':
-                       foreachship(sp)
-                               if (sp != ms)
-                                       eyeball(sp);
-                       break;
-               case 'i':
-                       eyeball(closestenemy(ms, 0, 1));
-                       break;
-               case 'C':
-                       centerview();
-                       draw_view();
-                       break;
-               case 'U':
-                       upview();
-                       draw_view();
-                       break;
-               case 'D':
-               case 'N':
-                       downview();
-                       draw_view();
+       if (done_curses) {
+               Signal("It looks like you've had it!",
+                       (struct ship *)0);
+               switch (conditions) {
+               case LEAVE_QUIT:

                        break;
                        break;

-               case 'H':
-                       leftview();
-                       draw_view();
+               case LEAVE_CAPTURED:
+                       Signal("Your ship was captured.",
+                               (struct ship *)0);

                        break;
                        break;

-               case 'J':
-                       rightview();
-                       draw_view();
+               case LEAVE_HURRICAN:
+                       Signal("Hurricane!  All ships destroyed.",
+                               (struct ship *)0);

                        break;
                        break;

-               case 'F':
-                       lookout();
+               case LEAVE_DRIVER:
+                       Signal("The driver died.", (struct ship *)0);

                        break;
                        break;

-               case 'S':
-                       dont_adjust = !dont_adjust;
+               case LEAVE_SYNC:
+                       Signal("Synchronization error.", (struct ship *)0);

                        break;
                        break;

+               default:
+                       Signal("A funny thing happened (%d).",
+                               (struct ship *)0, conditions);

                }
                }

-               lost();
-       }
-}
-
-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]++;
-       }
-
-       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
+       } else {
+               switch (conditions) {
+               case LEAVE_QUIT:

                        break;
                        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;
+               case LEAVE_DRIVER:
+                       printf("The driver died.\n");

                        break;
                        break;

-               case 'r':
-                       load = L_ROUND;
+               case LEAVE_FORK:
+                       perror("fork");

                        break;
                        break;

-               case 'd':
-                       load = L_DOUBLE;
+               case LEAVE_SYNC:
+                       printf("Synchronization error\n.");

                        break;
                default:
                        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()) {
-                       if (debug)
-                               execl(DEBUGDRIVER, DRIVERNAME, num, 0);
-                       else
-                               execl(DRIVER, DRIVERNAME, num, 0);
-                       perror(DRIVER);
-                       exit(1);
+                       printf("A funny thing happened (%d).\n",
+                               conditions);

                }
        }
 
                }
        }
 

-       foreachship(sp) {
-               sp->file->dir = sp->shipdir;
-               sp->file->row = sp->shiprow;
-               sp->file->col = sp->shipcol;
-       }
-       windspeed = cc->windspeed;
-       winddir = cc->winddir;
-
-       initscreen();
-
-       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) {
-                       screen();
-                       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 {
-                       if (conditions == LEAVE_DRIVER)
-                               printf("The driver died.\n");
-                       else
-                               printf("leave: unknown code %d\n", conditions);
+       if (ms != 0) {
+               log(ms);
+               if (conditions != LEAVE_SYNC) {
+                       makesignal(ms, "Captain %s relinquishing.",
+                               (struct ship *)0, mf->captain);
+                       Write(W_END, ms, 0, 0, 0, 0, 0);
+                       (void) Sync();

                }
                }

-               Sync();
-       }
-       if (done_curses) {
-               lastline();
-               nocrmode();
-               echo();
-               endwin();

        }
        }

+       sync_close(!hasdriver);
+       cleanupscreen();

        exit(0);
 }
 
        exit(0);
 }
 

+void

 choke()
 {
        leave(LEAVE_QUIT);
 }
 
 choke()
 {
        leave(LEAVE_QUIT);
 }
 

+void

 child()
 {
        union wait status;
 child()
 {
        union wait status;


@@ -443,9 +127,9 @@ child()
 
        (void) signal(SIGCHLD, SIG_IGN);
        do {
 
        (void) signal(SIGCHLD, SIG_IGN);
        do {

-               pid = wait3(&status, WNOHANG|WUNTRACED, (struct rusage *)0);
+               pid = wait3((int *)&status, WNOHANG, (struct rusage *)0);

                if (pid < 0 || pid > 0 && !WIFSTOPPED(status))
                if (pid < 0 || pid > 0 && !WIFSTOPPED(status))

-                       leave(LEAVE_DRIVER);
-       } while (pid != 0);
+                       hasdriver = 0;
+       } while (pid > 0);

        (void) signal(SIGCHLD, child);
 }
        (void) signal(SIGCHLD, child);
 }