server/ext/login.ext

#! perl # MANDATORY

# login handling

use Fcntl;
use Coro::AIO;
use List::Util qw(min max);

# paranoia function to overwrite a string-in-place
sub nuke_str {
   substr $_[0], 0, (length $_[0]), "x" x length $_[0]
}

sub query {
   my ($ns, $flags, $text) = @_;

   my $current = $Coro::current;
   $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
   Coro::schedule while ref $current;

   $current
}

sub can_cleanup {
   my ($pl, $mtime) = @_;

   my $age = time - $mtime;
   my $level = $pl->ob->level;

   ($level <= 3 && $age > 7 * 86400)            # 7 days for level 0..3
   || ($level <= 9 && $age > 90 * 86400)        # 3 months for level 4..9
   || ($level <= 20 && $age > 180 * 86400)      # 6 months for level 10..20
   || $age > 700 * 86400                        # 2 years for everybody else
}

sub check_playing {
   my ($ns, $user) = @_;

   return unless cf::player::find_active $user;

   $ns->send_drawinfo (
      "That player is already logged in on this server. "
    . "If you want to create a new player, choose another name. "
    . "If you are already a registered player, make sure nobody "
    . "else is using your account at this time. If you lost your conenction "
    . "then the server will likely timeout within a minute. If you still "
    . "cannot log-in after a minute, you are still logged in. Make sure "
    . "you do not have another client running. If you use windows, reboot, "
    . "this will fix anything.",
      cf::NDI_RED
   );

   1
}

sub enter_map {
   my ($pl) = @_;

   my ($map, $x, $y)
      = $pl->ob->{_link_pos}
        ? @{delete $pl->ob->{_link_pos}}
        : ($pl->maplevel, $pl->ob->x, $pl->ob->y);

   $pl->ob->enter_link;

   if (my $time = delete $pl->{unclean_save}) {
      if (my $m = cf::map::find $map) {
         if ($time < $m->{instantiate_time}) {
            # the map was reset in the meantime
            my $age = $cf::RUNTIME - $time;
            warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#

            # for now, just go back to savebed
            ($map, $x, $y) = $pl->savebed;

            $pl->ns->send_drawinfo (
               "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
             . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
             . "Better use a savebed next time, much worse things could have happened...",
               cf::NDI_RED
            );
         } else {
            $pl->ns->send_drawinfo (
               "You didn't use a bed to reality to leave this realm. This is very dangerous, "
             . "as lots of things could happen when you leave by other means, such as cave-ins, "
             . "or monsters suddenly snapping your body. Better use a savebed next time.",
               cf::NDI_RED
            );
         }
      }
   }

   $pl->ob->goto ($map, $x, $y);
}

# delete a player directory, be non-blocking AND synchronous...
# (thats hard, so we crap out and fork).
sub nuke_playerdir {
   my ($user) = @_;

   aio_stat "$PLAYERDIR/$user";
   system "cd \Q$PLAYERDIR\E "
        . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
        . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
}

sub send_capabilities {
   my ($ns) = @_;

   return unless $ns->extcmd;

   $ns->ext_event (capabilities =>
      # id, name, flags (1 == 2d), edge length
      tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
   );
}

sub setup {
   my ($ns, $args) = @_;

   # run through the cmds of setup
   # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
   # 
   # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
   # The client then must sort this out

   my %setup = split / +/, $args;
   while (my ($k, $v) = each %setup) {
      if ($k eq "sound") {
         $ns->sound ($v);

      } elsif ($k eq "exp64") {
         $setup{$k} = 1;

      } elsif ($k eq "spellmon") {
         $ns->monitor_spells ($v);

      } elsif ($k eq "darkness") {
         $ns->darkness ($v);

      } elsif ($k eq "map1cmd") {
         $ns->mapmode (cf::Map1Cmd) if $v > 0;

      } elsif ($k eq "map1acmd") {
         $ns->mapmode (cf::Map1aCmd) if $v > 0;

      } elsif ($k eq "map2cmd") {
         # gcfclient bug, map1acmd is sent too late
         $ns->mapmode (cf::Map1aCmd);
         $setup{$k} = "FALSE";

      } elsif ($k eq "newmapcmd") {
         $ns->newmapcmd ($v);

      } elsif ($k eq "mapinfocmd") {
         $ns->mapinfocmd ($v);

      } elsif ($k eq "extcmd") {
         $ns->extcmd ($v > 0);
         send_capabilities $ns;

      } elsif ($k eq "extmap") {
         $ns->extmap ($v);

      } elsif ($k eq "facecache") {
         if (!$v) {
            $v = 1;
            $setup{$k} = $v;
            $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
         }

         $ns->facecache ($v);

      } elsif ($k eq "faceset") {
         $ns->faceset (0);
         $setup{$k} = 0;
         # $ns->image2 (1)

      } elsif ($k eq "tileset") {
         $setup{$k} = $ns->faceset ($v & 1);

      } elsif ($k eq "itemcmd") {
         # Version of the item protocol command to use.  Currently,
         # only supported versions are 1 and 2.  Using a numeric
         # value will make it very easy to extend this in the future.
         $ns->itemcmd ($v) if $v >= 1 && $v <= 2;

         $setup{$k} = $ns->itemcmd;

      } elsif ($k eq "mapsize") {
         my ($x, $y) = split /x/, $v;

         $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
         $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);

         $setup{$k} = "${x}x${y}";

      } elsif ($k eq "extendedMapInfos") {
         $ns->ext_mapinfos ($v);

      } elsif ($k eq "extendedTextInfos") {
         $ns->has_readable_type ($v);

      } elsif ($k eq "smoothing") { # cfplus-style smoothing
         $ns->smoothing ($v);

      } elsif ($k eq "fxix") {
         $ns->fxix ($v);

      } elsif ($k eq "msg") {
         $ns->can_msg ($v);

      } elsif ($k eq "excmd") {
         # we support it

      } else {
         # other commands:
         # sexp: no idea, probably for oudated servers
         # tick: more stupidity, server should send a tick per tick

         $setup{$k} = "FALSE";
      }
    }

  $ns->send_packet (join " ", setup => %setup);

  cf::datalog setup =>
     request => $args,
     reply   => \%setup,
     client  => $ns->version,
  ;
}

sub addme {
   my ($ns) = @_;

  if (!$ns->facecache)
    {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client does not support face/image caching,
*** or it has been disabled. Face caching is mandatory
*** so please enable it or use a newer client.
***
*** Look at your client preferences:
***
*** CFPlus: all known versions automatically enable the facecache.
*** cfclient: use the -cache commandline option.
*** cfclient: map will not redraw automatically (bug).
*** gcfclient: use -cache commandline option, or enable
*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
*** jcrossclient: your client is broken, use CFPlus or gcfclient.
***
***
EOF
      if ($ns->version =~ /jcrossclient/) {
         # let them, for now
      } else {
        $ns->flush;
        return $ns->destroy;
      }

      # $ns->facecache = true;
   }

   if ($ns->mapmode < cf::Map1aCmd) {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client is too old. Please upgrade to a newer version.
EOF

      $ns->flush;
      return $ns->destroy;
   }

   $ns->pl and return $ns->destroy;

   $ns->async (sub {
      my ($user, $pass);

      $ns->send_packet ("addme_success");

      for (;;) {
         $ns->send_drawinfo (
            "Please enter your username now. If you are a new user, "
          . "make one up that describes your character best. "
          . "Only letters and digits are allowed, though.",
            cf::NDI_BLUE
         );

         # read username
         while () {
            $user = query $ns, 0, "What is your name?\n:";

            if ($cf::LOGIN_LOCK{$user}) {
               $ns->send_drawinfo (
                  "That username is currently used in another login session. "
                . "Chose another, or wait till the other session has ended.",
                  cf::NDI_RED
               );
            } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
               last;
            } else {
               $ns->send_drawinfo (
                  "Your username contains illegal characters "
                . "(only a-z, A-Z and 0-9 are allowed), "
                . "or is not between 3 and 18 characters in length.",
                  cf::NDI_RED
               );
            }
         }

         check_playing $ns, $user and next;

         $ns->send_drawinfo (
            "Welcome $user, please enter your password now. "
          . "New users should now choose a password. "
          . "Anything your client lets you enter is fine.",
            cf::NDI_BLUE
         );

         # read password
         while () {
            $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
            last if $pass =~ /.../;
            $ns->send_drawinfo (
               "Try to use at least three characters as your password please, "
             . "that cannot be too much to ask for :)",
               cf::NDI_RED
            );
         }

         # lock this username for the remainder of this login session
         if ($cf::LOGIN_LOCK{$user}) {
            $ns->send_drawinfo (
               "That username is currently used in another login session. "
             . "Chose another, or wait till the other session has ended.",
               cf::NDI_RED
            );
            next;
         }
         local $cf::LOGIN_LOCK{$user} = 1;

         check_playing $ns, $user and next;

         # try to read the user file and check the password
         if (my $pl = cf::player::find $user) {
            aio_stat $pl->path and next;
            my $mtime = (stat _)[9];
            my $hash = $pl->password;

            if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
               nuke_str $pass;
               # password matches, wonderful
               my $pl = cf::player::find $user or next;
               $pl->connect ($ns);
               enter_map $pl;
               last;
            } elsif (can_cleanup $pl, $mtime) {
               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Player exists, but password does not match. If this is your account, "
                . "please try again. If not, you can now decide to take over this account "
                . "because it has not been in-use for some time.",
                  cf::NDI_RED
               );

               #TODO: nuke_str
               (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
                  or next;

               # check if the file hasn't changed
               aio_stat cf::player::path $user and next;
               $mtime == (stat _)[9] or next;

               $pl->quit_character;

               # fall through to creation
            } else {
               nuke_str $pass;

               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Wrong username or password. Please try again "
                . "(check for Numlock and other semi-obvious error sources).",
                  cf::NDI_RED
               );
               next;
            }
         } else {
            # unable to load the playerfile:
            # check wether the player dir exists, which means the file is corrupted or
            # something very similar.
            if (!aio_stat cf::player::playerdir $user) {
               $ns->send_drawinfo (
                  "Unable to retrieve this player. It might be a locked or broken account. "
                . "If this is your account, ask a dungeon master for assistance. "
                . "Otherwise choose a different login name.",
                  cf::NDI_RED
               );
               next;
            }
         }

         # the rest of this function is character creation

         # just to make sure nothing is left over
         nuke_playerdir $user;

         my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";

         if ($pass2 ne $pass) {
            nuke_str $pass;
            nuke_str $pass2;
            $ns->send_drawinfo (
               "The passwords do not match, please try again.",
               cf::NDI_RED
            );
            next;
         }

         nuke_str $pass2;

         my $pl = cf::player::new $user;
         $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
         nuke_str $pass;
         $pl->connect ($ns);
         my $ob = $pl->ob;

         $ob->goto ($pl->maplevel, $ob->x, $ob->y);

         while () {
            $ob->update_stats;
            $pl->save_stats;

            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";

            if ($res =~ /^[Nn]/) {
               last;
            } elsif ($res > 0 && $res <= 7) {
               my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";

               if ($swap > 0 && $swap <= 7) {
                  $ob->swap_stats ($res - 1, $swap - 1);
               }
            } else {
               $ob->roll_stats;
            }
         }

         $ob->set_animation (2);
         $ob->add_statbonus;

         while () {
            $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
            my $msg = $ob->msg;
            $msg =~ s/(?<=\S)\n(?=\S)/ /g;
            $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);

            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";

            last if $res =~ /[dD]/;

            $pl->chargen_race_next;
         }

         $pl->chargen_race_done;

         delete $pl->{deny_save};

         last;
      }
   });
}

cf::register_command quit => sub {
   my ($ob, $arg) = @_;

   $ob->reply (undef,
               "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
               . "If you are sure you want to do this, then use the quit_character command instead of quit.",
               cf::NDI_UNIQUE | cf::NDI_RED);
};

cf::register_command quit_character => sub {
   my ($ob, $arg) = @_;

   my $pl = $ob->contr;

   $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
      if ($_[0] !~ /^[yY]/) {
         $ob->reply (undef,
                     "Ok, not not quitting then.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
      } else {
         $ob->reply (undef,
                     "Ok, quitting, hope to see you again.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
         $pl->ns->flush;
         cf::async { $pl->quit_character };
      }
   });
};

cf::object->attach (
   type     => cf::SAVEBED,
   on_apply => sub {
      my ($bed, $ob) = @_;

      return cf::override 0 unless $ob->type == cf::PLAYER;

      my $pl = $ob->contr;

      # update respawn position
      $pl->savebed ($bed->map->path, $bed->x, $bed->y);
      cf::async { $pl->save };

      $pl->killer ("left");
      $ob->check_score;

      $ob->reply (undef, "In the future, you will wake up here when you die.");

      $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
         if ($_[0] !~ /^[yY]/) {
            $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
            $pl->deactivate;
            $pl->ns->destroy;
         } else {
            cf::async { $pl->save };
         }
      });
   },
);

cf::player->attach (
   on_login  => sub {
      my ($pl) = @_;
      my $name = $pl->ob->name;

      $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
   },
   on_logout => sub {
      my ($pl, $cleanly) = @_;
      my $name = $pl->ob->name;

      if ($cleanly) {
         $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
      } else {
         $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
         $pl->{unclean_save} = $cf::RUNTIME;
      }
   },
);

cf::client->attach (
   on_addme => \&addme,
   on_setup => \&setup,
);

#############################################################################

our $SCHEDULE_INTERVAL  =  10; # time the player scheduler sleeps between runs
our $SAVE_TIMEOUT       =  20; # save players every n seconds

our $SCHEDULER = cf::async_ext {
   my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
   while () {
      $schedule_interval->next;

      # this weird form of iteration over values is used because
      # the hash changes underneath us frequently, and for
      # keeps a direct reference to the value without (in 5.8 perls)
      # keeping a reference, so this is prone to crashes or worse.
      my @players = keys %cf::PLAYER;
      for (@players) {
         my $pl = $cf::PLAYER{$_}
            or next;
         $pl->valid or next;

         eval {
            if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
               cf::wait_for_tick_begin;
               $pl->save;

               unless ($pl->active || $pl->ns) {
                  # check refcounts, this is tricky and needs to be adjusted to fit server internals
                  my $ob = $pl->ob;
                  Scalar::Util::weaken $pl;
                  Scalar::Util::weaken $ob;
                  my $a_ = $pl->refcnt;#d#
                  my $b_ = $ob->refcnt;#d#
                  my $pl_ref = $pl->refcnt_cnt;
                  my $ob_ref = $ob->refcnt_cnt;

                  ## pl_ref == one from object + one from cf::PLAYER
                  ## ob_ref == one from simply being an object + one from pl->observe
                  if ($pl_ref == 2 && $ob_ref == 2) {
                     warn "player-scheduler destroy ", $ob->name;#d#

                     # remove from sight and get fresh "copies"
                     $pl = delete $cf::PLAYER{$ob->name};
                     $ob = $pl->ob;

                     $ob->destroy;
                     $pl->destroy;
                  } else {
                     warn "player-scheduler refcnt ", $ob->name, " pp$pl_ref,pc$a_ op$ob_ref,oc$b_\n";#d#
                  }
               }
            }
         };
         warn $@ if $@;
         Coro::cede;
      };
   }
};

$SCHEDULER->prio (1);

Revision:	1.49
Committed:	Sun Jun 10 03:11:16 2007 UTC (16 years, 11 months ago) by root
Branch:	MAIN
Changes since 1.48:	+3 -3 lines
Log Message:	adjust player destroy code for extra reference from observe
#	User	Rev	Content
1	root	1.25	#! perl # MANDATORY
2	root	1.1
3			# login handling
4
5			use Fcntl;
6			use Coro::AIO;
7	root	1.32	use List::Util qw(min max);
8	root	1.1
9	root	1.9	# paranoia function to overwrite a string-in-place
10			sub nuke_str {
11			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
12			}
13	root	1.1
14			sub query {
15			my ($ns, $flags, $text) = @_;
16
17			my $current = $Coro::current;
18	root	1.38	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
19	root	1.1	Coro::schedule while ref $current;
20
21			$current
22			}
23
24			sub can_cleanup {
25	root	1.19	my ($pl, $mtime) = @_;
26	root	1.1
27			my $age = time - $mtime;
28	root	1.19	my $level = $pl->ob->level;
29	root	1.1
30			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
31			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
32			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
33			\|\| $age > 700 * 86400 # 2 years for everybody else
34			}
35
36			sub check_playing {
37			my ($ns, $user) = @_;
38
39	root	1.11	return unless cf::player::find_active $user;
40	root	1.1
41			$ns->send_drawinfo (
42			"That player is already logged in on this server. "
43			. "If you want to create a new player, choose another name. "
44			. "If you are already a registered player, make sure nobody "
45			. "else is using your account at this time. If you lost your conenction "
46			. "then the server will likely timeout within a minute. If you still "
47			. "cannot log-in after a minute, you are still logged in. Make sure "
48			. "you do not have another client running. If you use windows, reboot, "
49			. "this will fix anything.",
50			cf::NDI_RED
51			);
52
53			1
54			}
55
56	root	1.48	sub enter_map {
57	root	1.11	my ($pl) = @_;
58
59	root	1.48	my ($map, $x, $y)
60			= $pl->ob->{_link_pos}
61			? @{delete $pl->ob->{_link_pos}}
62			: ($pl->maplevel, $pl->ob->x, $pl->ob->y);
63
64			$pl->ob->enter_link;
65
66	root	1.26	if (my $time = delete $pl->{unclean_save}) {
67	root	1.48	if (my $m = cf::map::find $map) {
68			if ($time < $m->{instantiate_time}) {
69			# the map was reset in the meantime
70			my $age = $cf::RUNTIME - $time;
71			warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#
72
73			# for now, just go back to savebed
74			($map, $x, $y) = $pl->savebed;
75
76			$pl->ns->send_drawinfo (
77			"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
78			. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
79			. "Better use a savebed next time, much worse things could have happened...",
80			cf::NDI_RED
81			);
82			} else {
83			$pl->ns->send_drawinfo (
84			"You didn't use a bed to reality to leave this realm. This is very dangerous, "
85			. "as lots of things could happen when you leave by other means, such as cave-ins, "
86			. "or monsters suddenly snapping your body. Better use a savebed next time.",
87			cf::NDI_RED
88			);
89			}
90			}
91	root	1.11	}
92	root	1.48
93			$pl->ob->goto ($map, $x, $y);
94	root	1.11	}
95
96	root	1.1	# delete a player directory, be non-blocking AND synchronous...
97			# (thats hard, so we crap out and fork).
98			sub nuke_playerdir {
99			my ($user) = @_;
100
101			aio_stat "$PLAYERDIR/$user";
102			system "cd \Q$PLAYERDIR\E "
103			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
104			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
105			}
106
107	root	1.35	sub send_capabilities {
108			my ($ns) = @_;
109
110			return unless $ns->extcmd;
111
112			$ns->ext_event (capabilities =>
113			# id, name, flags (1 == 2d), edge length
114			tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
115			);
116			}
117
118	root	1.33	sub setup {
119			my ($ns, $args) = @_;
120
121			# run through the cmds of setup
122			# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
123			#
124			# we send the status of the cmd back, or a FALSE is the cmd is the server unknown
125			# The client then must sort this out
126
127			my %setup = split / +/, $args;
128			while (my ($k, $v) = each %setup) {
129			if ($k eq "sound") {
130	root	1.43	$ns->sound ($v);
131	root	1.33
132			} elsif ($k eq "exp64") {
133	root	1.43	$setup{$k} = 1;
134	root	1.33
135			} elsif ($k eq "spellmon") {
136	root	1.43	$ns->monitor_spells ($v);
137	root	1.33
138			} elsif ($k eq "darkness") {
139	root	1.43	$ns->darkness ($v);
140	root	1.33
141			} elsif ($k eq "map1cmd") {
142	root	1.43	$ns->mapmode (cf::Map1Cmd) if $v > 0;
143	root	1.33
144			} elsif ($k eq "map1acmd") {
145	root	1.43	$ns->mapmode (cf::Map1aCmd) if $v > 0;
146	root	1.33
147			} elsif ($k eq "map2cmd") {
148	root	1.43	# gcfclient bug, map1acmd is sent too late
149			$ns->mapmode (cf::Map1aCmd);
150			$setup{$k} = "FALSE";
151	root	1.33
152			} elsif ($k eq "newmapcmd") {
153	root	1.43	$ns->newmapcmd ($v);
154	root	1.33
155			} elsif ($k eq "mapinfocmd") {
156	root	1.43	$ns->mapinfocmd ($v);
157	root	1.33
158			} elsif ($k eq "extcmd") {
159	root	1.43	$ns->extcmd ($v > 0);
160			send_capabilities $ns;
161	root	1.33
162			} elsif ($k eq "extmap") {
163	root	1.43	$ns->extmap ($v);
164	root	1.33
165			} elsif ($k eq "facecache") {
166	root	1.43	if (!$v) {
167			$v = 1;
168			$setup{$k} = $v;
169			$ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
170			}
171	root	1.40
172	root	1.43	$ns->facecache ($v);
173	root	1.33
174			} elsif ($k eq "faceset") {
175	root	1.43	$ns->faceset (0);
176			$setup{$k} = 0;
177			# $ns->image2 (1)
178	root	1.33
179	root	1.35	} elsif ($k eq "tileset") {
180	root	1.43	$setup{$k} = $ns->faceset ($v & 1);
181	root	1.35
182	root	1.33	} elsif ($k eq "itemcmd") {
183	root	1.43	# Version of the item protocol command to use. Currently,
184			# only supported versions are 1 and 2. Using a numeric
185			# value will make it very easy to extend this in the future.
186			$ns->itemcmd ($v) if $v >= 1 && $v <= 2;
187	root	1.33
188	root	1.43	$setup{$k} = $ns->itemcmd;
189	root	1.33
190			} elsif ($k eq "mapsize") {
191	root	1.43	my ($x, $y) = split /x/, $v;
192	root	1.33
193	root	1.43	$ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) \| 1);
194			$ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) \| 1);
195	root	1.33
196	root	1.43	$setup{$k} = "${x}x${y}";
197	root	1.33
198			} elsif ($k eq "extendedMapInfos") {
199	root	1.43	$ns->ext_mapinfos ($v);
200	root	1.33
201			} elsif ($k eq "extendedTextInfos") {
202	root	1.43	$ns->has_readable_type ($v);
203	root	1.33
204	root	1.38	} elsif ($k eq "smoothing") { # cfplus-style smoothing
205	root	1.43	$ns->smoothing ($v);
206	root	1.38
207	root	1.34	} elsif ($k eq "fxix") {
208	root	1.43	$ns->fxix ($v);
209
210			} elsif ($k eq "msg") {
211	root	1.45	$ns->can_msg ($v);
212	root	1.34
213	root	1.44	} elsif ($k eq "excmd") {
214			# we support it
215
216	root	1.33	} else {
217	root	1.43	# other commands:
218			# sexp: no idea, probably for oudated servers
219	root	1.45	# tick: more stupidity, server should send a tick per tick
220	root	1.33
221	root	1.43	$setup{$k} = "FALSE";
222	root	1.33	}
223			}
224
225			$ns->send_packet (join " ", setup => %setup);
226
227			cf::datalog setup =>
228			request => $args,
229			reply => \%setup,
230			client => $ns->version,
231			;
232			}
233
234	root	1.8	sub addme {
235	root	1.1	my ($ns) = @_;
236
237	root	1.32	if (!$ns->facecache)
238			{
239			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
240
241
242			***
243			*** WARNING:
244			*** Your client does not support face/image caching,
245			*** or it has been disabled. Face caching is mandatory
246			*** so please enable it or use a newer client.
247			***
248			*** Look at your client preferences:
249			***
250			*** CFPlus: all known versions automatically enable the facecache.
251			*** cfclient: use the -cache commandline option.
252			*** cfclient: map will not redraw automatically (bug).
253			*** gcfclient: use -cache commandline option, or enable
254			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
255			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
256			***
257			***
258			EOF
259			if ($ns->version =~ /jcrossclient/) {
260			# let them, for now
261			} else {
262			$ns->flush;
263			return $ns->destroy;
264			}
265
266			# $ns->facecache = true;
267	root	1.33	}
268
269			if ($ns->mapmode < cf::Map1aCmd) {
270			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
271
272
273			***
274			*** WARNING:
275			*** Your client is too old. Please upgrade to a newer version.
276			EOF
277
278			$ns->flush;
279			return $ns->destroy;
280			}
281	root	1.32
282			$ns->pl and return $ns->destroy;
283	root	1.1
284	root	1.10	$ns->async (sub {
285	root	1.1	my ($user, $pass);
286
287			$ns->send_packet ("addme_success");
288
289			for (;;) {
290			$ns->send_drawinfo (
291			"Please enter your username now. If you are a new user, "
292			. "make one up that describes your character best. "
293			. "Only letters and digits are allowed, though.",
294			cf::NDI_BLUE
295			);
296
297			# read username
298			while () {
299			$user = query $ns, 0, "What is your name?\n:";
300	root	1.3
301			if ($cf::LOGIN_LOCK{$user}) {
302			$ns->send_drawinfo (
303			"That username is currently used in another login session. "
304			. "Chose another, or wait till the other session has ended.",
305			cf::NDI_RED
306			);
307	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
308	root	1.3	last;
309			} else {
310			$ns->send_drawinfo (
311			"Your username contains illegal characters "
312			. "(only a-z, A-Z and 0-9 are allowed), "
313			. "or is not between 3 and 18 characters in length.",
314			cf::NDI_RED
315			);
316			}
317	root	1.1	}
318
319			check_playing $ns, $user and next;
320
321			$ns->send_drawinfo (
322			"Welcome $user, please enter your password now. "
323			. "New users should now choose a password. "
324			. "Anything your client lets you enter is fine.",
325			cf::NDI_BLUE
326			);
327
328			# read password
329			while () {
330			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
331			last if $pass =~ /.../;
332			$ns->send_drawinfo (
333			"Try to use at least three characters as your password please, "
334			. "that cannot be too much to ask for :)",
335			cf::NDI_RED
336			);
337			}
338
339	root	1.3	# lock this username for the remainder of this login session
340			if ($cf::LOGIN_LOCK{$user}) {
341			$ns->send_drawinfo (
342			"That username is currently used in another login session. "
343			. "Chose another, or wait till the other session has ended.",
344			cf::NDI_RED
345			);
346			next;
347			}
348			local $cf::LOGIN_LOCK{$user} = 1;
349
350			check_playing $ns, $user and next;
351
352	root	1.1	# try to read the user file and check the password
353	root	1.19	if (my $pl = cf::player::find $user) {
354			aio_stat $pl->path and next;
355			my $mtime = (stat _)[9];
356			my $hash = $pl->password;
357	root	1.1
358	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
359	root	1.9	nuke_str $pass;
360	root	1.1	# password matches, wonderful
361	root	1.11	my $pl = cf::player::find $user or next;
362	root	1.1	$pl->connect ($ns);
363	root	1.48	enter_map $pl;
364	root	1.1	last;
365	root	1.19	} elsif (can_cleanup $pl, $mtime) {
366	root	1.1	Coro::Timer::sleep 1;
367
368			$ns->send_drawinfo (
369	root	1.3	"Player exists, but password does not match. If this is your account, "
370			. "please try again. If not, you can now decide to take over this account "
371	root	1.1	. "because it has not been in-use for some time.",
372			cf::NDI_RED
373			);
374
375	root	1.9	#TODO: nuke_str
376	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
377			or next;
378
379			# check if the file hasn't changed
380	root	1.11	aio_stat cf::player::path $user and next;
381	root	1.1	$mtime == (stat _)[9] or next;
382
383	root	1.19	$pl->quit_character;
384	root	1.1
385			# fall through to creation
386			} else {
387	root	1.9	nuke_str $pass;
388
389	root	1.1	Coro::Timer::sleep 1;
390
391			$ns->send_drawinfo (
392			"Wrong username or password. Please try again "
393			. "(check for Numlock and other semi-obvious error sources).",
394			cf::NDI_RED
395			);
396			next;
397			}
398	root	1.37	} else {
399			# unable to load the playerfile:
400			# check wether the player dir exists, which means the file is corrupted or
401			# something very similar.
402			if (!aio_stat cf::player::playerdir $user) {
403			$ns->send_drawinfo (
404			"Unable to retrieve this player. It might be a locked or broken account. "
405			. "If this is your account, ask a dungeon master for assistance. "
406			. "Otherwise choose a different login name.",
407			cf::NDI_RED
408			);
409			next;
410			}
411	root	1.1	}
412
413			# the rest of this function is character creation
414
415	root	1.3	# just to make sure nothing is left over
416	root	1.1	nuke_playerdir $user;
417
418	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
419
420			if ($pass2 ne $pass) {
421	root	1.9	nuke_str $pass;
422			nuke_str $pass2;
423	root	1.3	$ns->send_drawinfo (
424			"The passwords do not match, please try again.",
425			cf::NDI_RED
426			);
427			next;
428			}
429
430	root	1.9	nuke_str $pass2;
431
432	root	1.11	my $pl = cf::player::new $user;
433	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
434	root	1.9	nuke_str $pass;
435	root	1.1	$pl->connect ($ns);
436	root	1.48	my $ob = $pl->ob;
437	root	1.3
438	root	1.48	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
439	root	1.1
440			while () {
441			$ob->update_stats;
442			$pl->save_stats;
443
444			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
445			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
446
447			if ($res =~ /^[Nn]/) {
448			last;
449			} elsif ($res > 0 && $res <= 7) {
450			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
451
452			if ($swap > 0 && $swap <= 7) {
453			$ob->swap_stats ($res - 1, $swap - 1);
454			}
455			} else {
456			$ob->roll_stats;
457			}
458			}
459
460			$ob->set_animation (2);
461			$ob->add_statbonus;
462
463	root	1.45	while () {
464			$ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
465			my $msg = $ob->msg;
466	root	1.46	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
467	root	1.45	$ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
468
469			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
470			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
471
472			last if $res =~ /[dD]/;
473
474			$pl->chargen_race_next;
475			}
476
477			$pl->chargen_race_done;
478	root	1.1
479	root	1.45	delete $pl->{deny_save};
480	root	1.1
481			last;
482			}
483			});
484			}
485
486	root	1.12	cf::register_command quit => sub {
487			my ($ob, $arg) = @_;
488
489			$ob->reply (undef,
490			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
491			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
492			cf::NDI_UNIQUE \| cf::NDI_RED);
493			};
494
495			cf::register_command quit_character => sub {
496			my ($ob, $arg) = @_;
497
498			my $pl = $ob->contr;
499
500			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
501			if ($_[0] !~ /^[yY]/) {
502			$ob->reply (undef,
503			"Ok, not not quitting then.",
504			cf::NDI_UNIQUE \| cf::NDI_RED);
505			} else {
506			$ob->reply (undef,
507			"Ok, quitting, hope to see you again.",
508			cf::NDI_UNIQUE \| cf::NDI_RED);
509			$pl->ns->flush;
510	root	1.31	cf::async { $pl->quit_character };
511	root	1.12	}
512			});
513			};
514	root	1.11
515	root	1.1	cf::object->attach (
516			type => cf::SAVEBED,
517			on_apply => sub {
518			my ($bed, $ob) = @_;
519
520			return cf::override 0 unless $ob->type == cf::PLAYER;
521
522	root	1.15	my $pl = $ob->contr;
523	root	1.11
524	root	1.1	# update respawn position
525	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
526	root	1.22	cf::async { $pl->save };
527	root	1.1
528	root	1.11	$pl->killer ("left");
529	root	1.5	$ob->check_score;
530	root	1.1
531			$ob->reply (undef, "In the future, you will wake up here when you die.");
532
533	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
534	root	1.6	if ($_[0] !~ /^[yY]/) {
535	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
536			$pl->deactivate;
537			$pl->ns->destroy;
538	root	1.7	} else {
539	root	1.13	cf::async { $pl->save };
540	root	1.6	}
541	root	1.1	});
542			},
543			);
544
545	root	1.8	cf::player->attach (
546			on_login => sub {
547			my ($pl) = @_;
548			my $name = $pl->ob->name;
549
550			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
551			},
552			on_logout => sub {
553			my ($pl, $cleanly) = @_;
554			my $name = $pl->ob->name;
555
556			if ($cleanly) {
557			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
558			} else {
559			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
560	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
561	root	1.8	}
562			},
563			);
564
565			cf::client->attach (
566			on_addme => \&addme,
567	root	1.32	on_setup => \&setup,
568	root	1.8	);
569	root	1.1
570	root	1.11	#############################################################################
571
572	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
573			our $SAVE_TIMEOUT = 20; # save players every n seconds
574	root	1.11
575			our $SCHEDULER = cf::async_ext {
576	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
577	root	1.11	while () {
578	root	1.27	$schedule_interval->next;
579	root	1.11
580			# this weird form of iteration over values is used because
581			# the hash changes underneath us frequently, and for
582			# keeps a direct reference to the value without (in 5.8 perls)
583			# keeping a reference, so this is prone to crashes or worse.
584			my @players = keys %cf::PLAYER;
585			for (@players) {
586			my $pl = $cf::PLAYER{$_}
587			or next;
588			$pl->valid or next;
589
590			eval {
591			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
592	root	1.39	cf::wait_for_tick_begin;
593	root	1.11	$pl->save;
594	root	1.17
595	root	1.49	unless ($pl->active \|\| $pl->ns) {
596	root	1.21	# check refcounts, this is tricky and needs to be adjusted to fit server internals
597			my $ob = $pl->ob;
598			Scalar::Util::weaken $pl;
599			Scalar::Util::weaken $ob;
600	root	1.23	my $a_ = $pl->refcnt;#d#
601			my $b_ = $ob->refcnt;#d#
602	root	1.21	my $pl_ref = $pl->refcnt_cnt;
603			my $ob_ref = $ob->refcnt_cnt;
604
605	root	1.20	## pl_ref == one from object + one from cf::PLAYER
606	root	1.49	## ob_ref == one from simply being an object + one from pl->observe
607			if ($pl_ref == 2 && $ob_ref == 2) {
608	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
609
610			# remove from sight and get fresh "copies"
611			$pl = delete $cf::PLAYER{$ob->name};
612			$ob = $pl->ob;
613
614			$ob->destroy;
615			$pl->destroy;
616			} else {
617	root	1.47	warn "player-scheduler refcnt ", $ob->name, " pp$pl_ref,pc$a_ op$ob_ref,oc$b_\n";#d#
618	root	1.21	}
619	root	1.17	}
620			}
621	root	1.11	};
622			warn $@ if $@;
623			Coro::cede;
624			};
625			}
626			};
627
628			$SCHEDULER->prio (1);
629