server/ext/login.ext

#! perl # mandatory

# login handling

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

our %EXT_SETUP;

# 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 >= 2);
         $setup{$k} = $ns->can_msg;

      } 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;

         while () {
            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";

            if ($res =~ /^[fF]/) {
               $pl->gender (1);
               last;
            } elsif ($res =~ /^[mM]/) {
               $pl->gender (0);
               last;
            }
         }

         $ob->reply (undef, "Welcome to Crossfire!");

         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;

                  my $pl_ref = $pl->refcnt_cnt;
                  my $ob_ref = $ob->refcnt_cnt;

                  ## pl_ref == $pl + ob->contr   + %cf::PLAYER
                  ## ob_ref == $ob + pl->observe + simply being an object
                  if ($pl_ref == 3 && $ob_ref == 3) {
                     warn "player-scheduler destroy ", $ob->name;#d#

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

                     $pl->destroy; # destroys $ob
                  } else {
                     my $a_ = $pl->refcnt;#d#
                     my $b_ = $ob->refcnt;#d#

                     warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
                  }
               }
            }
         };
         warn $@ if $@;
         Coro::cede;
      };
   }
};

$SCHEDULER->prio (1);

Revision:	1.56
Committed:	Sun Jun 24 04:09:29 2007 UTC (16 years, 11 months ago) by root
Branch:	MAIN
Changes since 1.55:	+2 -1 lines
Log Message:	first rough cut of msg rewriting, introducing cfpod, a haxored pod variant for crossfire messgaes. where will it end?
#	User	Rev	Content
1	root	1.53	#! 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	1.53	our %EXT_SETUP;
10
11	root	1.9	# paranoia function to overwrite a string-in-place
12			sub nuke_str {
13			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
14			}
15	root	1.1
16			sub query {
17			my ($ns, $flags, $text) = @_;
18
19			my $current = $Coro::current;
20	root	1.38	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
21	root	1.1	Coro::schedule while ref $current;
22
23			$current
24			}
25
26			sub can_cleanup {
27	root	1.19	my ($pl, $mtime) = @_;
28	root	1.1
29			my $age = time - $mtime;
30	root	1.19	my $level = $pl->ob->level;
31	root	1.1
32			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
33			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
34			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
35			\|\| $age > 700 * 86400 # 2 years for everybody else
36			}
37
38			sub check_playing {
39			my ($ns, $user) = @_;
40
41	root	1.11	return unless cf::player::find_active $user;
42	root	1.1
43			$ns->send_drawinfo (
44			"That player is already logged in on this server. "
45			. "If you want to create a new player, choose another name. "
46			. "If you are already a registered player, make sure nobody "
47			. "else is using your account at this time. If you lost your conenction "
48			. "then the server will likely timeout within a minute. If you still "
49			. "cannot log-in after a minute, you are still logged in. Make sure "
50			. "you do not have another client running. If you use windows, reboot, "
51			. "this will fix anything.",
52			cf::NDI_RED
53			);
54
55			1
56			}
57
58	root	1.48	sub enter_map {
59	root	1.11	my ($pl) = @_;
60
61	root	1.48	my ($map, $x, $y)
62			= $pl->ob->{_link_pos}
63			? @{delete $pl->ob->{_link_pos}}
64			: ($pl->maplevel, $pl->ob->x, $pl->ob->y);
65
66			$pl->ob->enter_link;
67
68	root	1.26	if (my $time = delete $pl->{unclean_save}) {
69	root	1.48	if (my $m = cf::map::find $map) {
70			if ($time < $m->{instantiate_time}) {
71			# the map was reset in the meantime
72			my $age = $cf::RUNTIME - $time;
73			warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#
74
75			# for now, just go back to savebed
76			($map, $x, $y) = $pl->savebed;
77
78			$pl->ns->send_drawinfo (
79			"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
80			. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
81			. "Better use a savebed next time, much worse things could have happened...",
82			cf::NDI_RED
83			);
84			} else {
85			$pl->ns->send_drawinfo (
86			"You didn't use a bed to reality to leave this realm. This is very dangerous, "
87			. "as lots of things could happen when you leave by other means, such as cave-ins, "
88			. "or monsters suddenly snapping your body. Better use a savebed next time.",
89			cf::NDI_RED
90			);
91			}
92			}
93	root	1.11	}
94	root	1.48
95			$pl->ob->goto ($map, $x, $y);
96	root	1.11	}
97
98	root	1.1	# delete a player directory, be non-blocking AND synchronous...
99			# (thats hard, so we crap out and fork).
100			sub nuke_playerdir {
101			my ($user) = @_;
102
103			aio_stat "$PLAYERDIR/$user";
104			system "cd \Q$PLAYERDIR\E "
105			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
106			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
107			}
108
109	root	1.35	sub send_capabilities {
110			my ($ns) = @_;
111
112			return unless $ns->extcmd;
113
114			$ns->ext_event (capabilities =>
115			# id, name, flags (1 == 2d), edge length
116			tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
117			);
118			}
119
120	root	1.33	sub setup {
121			my ($ns, $args) = @_;
122
123			# run through the cmds of setup
124			# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
125			#
126			# we send the status of the cmd back, or a FALSE is the cmd is the server unknown
127			# The client then must sort this out
128
129			my %setup = split / +/, $args;
130			while (my ($k, $v) = each %setup) {
131			if ($k eq "sound") {
132	root	1.43	$ns->sound ($v);
133	root	1.33
134			} elsif ($k eq "exp64") {
135	root	1.43	$setup{$k} = 1;
136	root	1.33
137			} elsif ($k eq "spellmon") {
138	root	1.43	$ns->monitor_spells ($v);
139	root	1.33
140			} elsif ($k eq "darkness") {
141	root	1.43	$ns->darkness ($v);
142	root	1.33
143			} elsif ($k eq "map1cmd") {
144	root	1.43	$ns->mapmode (cf::Map1Cmd) if $v > 0;
145	root	1.33
146			} elsif ($k eq "map1acmd") {
147	root	1.43	$ns->mapmode (cf::Map1aCmd) if $v > 0;
148	root	1.33
149			} elsif ($k eq "map2cmd") {
150	root	1.43	# gcfclient bug, map1acmd is sent too late
151			$ns->mapmode (cf::Map1aCmd);
152			$setup{$k} = "FALSE";
153	root	1.33
154			} elsif ($k eq "newmapcmd") {
155	root	1.43	$ns->newmapcmd ($v);
156	root	1.33
157			} elsif ($k eq "mapinfocmd") {
158	root	1.43	$ns->mapinfocmd ($v);
159	root	1.33
160			} elsif ($k eq "extcmd") {
161	root	1.43	$ns->extcmd ($v > 0);
162			send_capabilities $ns;
163	root	1.33
164			} elsif ($k eq "extmap") {
165	root	1.43	$ns->extmap ($v);
166	root	1.33
167			} elsif ($k eq "facecache") {
168	root	1.43	if (!$v) {
169			$v = 1;
170			$setup{$k} = $v;
171			$ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
172			}
173	root	1.40
174	root	1.43	$ns->facecache ($v);
175	root	1.33
176			} elsif ($k eq "faceset") {
177	root	1.43	$ns->faceset (0);
178			$setup{$k} = 0;
179			# $ns->image2 (1)
180	root	1.33
181	root	1.35	} elsif ($k eq "tileset") {
182	root	1.43	$setup{$k} = $ns->faceset ($v & 1);
183	root	1.35
184	root	1.33	} elsif ($k eq "itemcmd") {
185	root	1.43	# Version of the item protocol command to use. Currently,
186			# only supported versions are 1 and 2. Using a numeric
187			# value will make it very easy to extend this in the future.
188			$ns->itemcmd ($v) if $v >= 1 && $v <= 2;
189	root	1.33
190	root	1.43	$setup{$k} = $ns->itemcmd;
191	root	1.33
192			} elsif ($k eq "mapsize") {
193	root	1.43	my ($x, $y) = split /x/, $v;
194	root	1.33
195	root	1.43	$ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) \| 1);
196			$ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) \| 1);
197	root	1.33
198	root	1.43	$setup{$k} = "${x}x${y}";
199	root	1.33
200			} elsif ($k eq "extendedMapInfos") {
201	root	1.43	$ns->ext_mapinfos ($v);
202	root	1.33
203			} elsif ($k eq "extendedTextInfos") {
204	root	1.43	$ns->has_readable_type ($v);
205	root	1.33
206	root	1.38	} elsif ($k eq "smoothing") { # cfplus-style smoothing
207	root	1.43	$ns->smoothing ($v);
208	root	1.38
209	root	1.34	} elsif ($k eq "fxix") {
210	root	1.43	$ns->fxix ($v);
211
212			} elsif ($k eq "msg") {
213	root	1.56	$ns->can_msg ($v >= 2);
214			$setup{$k} = $ns->can_msg;
215	root	1.34
216	root	1.44	} elsif ($k eq "excmd") {
217			# we support it
218
219	root	1.33	} else {
220	root	1.43	# other commands:
221			# sexp: no idea, probably for oudated servers
222	root	1.45	# tick: more stupidity, server should send a tick per tick
223	root	1.33
224	root	1.43	$setup{$k} = "FALSE";
225	root	1.33	}
226			}
227
228			$ns->send_packet (join " ", setup => %setup);
229
230			cf::datalog setup =>
231			request => $args,
232			reply => \%setup,
233			client => $ns->version,
234			;
235			}
236
237	root	1.8	sub addme {
238	root	1.1	my ($ns) = @_;
239
240	root	1.32	if (!$ns->facecache)
241			{
242			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
243
244
245			***
246			*** WARNING:
247			*** Your client does not support face/image caching,
248			*** or it has been disabled. Face caching is mandatory
249			*** so please enable it or use a newer client.
250			***
251			*** Look at your client preferences:
252			***
253			*** CFPlus: all known versions automatically enable the facecache.
254			*** cfclient: use the -cache commandline option.
255			*** cfclient: map will not redraw automatically (bug).
256			*** gcfclient: use -cache commandline option, or enable
257			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
258			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
259			***
260			***
261			EOF
262			if ($ns->version =~ /jcrossclient/) {
263			# let them, for now
264			} else {
265			$ns->flush;
266			return $ns->destroy;
267			}
268
269			# $ns->facecache = true;
270	root	1.33	}
271
272			if ($ns->mapmode < cf::Map1aCmd) {
273			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
274
275
276			***
277			*** WARNING:
278			*** Your client is too old. Please upgrade to a newer version.
279			EOF
280
281			$ns->flush;
282			return $ns->destroy;
283			}
284	root	1.32
285			$ns->pl and return $ns->destroy;
286	root	1.1
287	root	1.10	$ns->async (sub {
288	root	1.1	my ($user, $pass);
289
290			$ns->send_packet ("addme_success");
291
292			for (;;) {
293			$ns->send_drawinfo (
294			"Please enter your username now. If you are a new user, "
295			. "make one up that describes your character best. "
296			. "Only letters and digits are allowed, though.",
297			cf::NDI_BLUE
298			);
299
300			# read username
301			while () {
302			$user = query $ns, 0, "What is your name?\n:";
303	root	1.3
304			if ($cf::LOGIN_LOCK{$user}) {
305			$ns->send_drawinfo (
306			"That username is currently used in another login session. "
307			. "Chose another, or wait till the other session has ended.",
308			cf::NDI_RED
309			);
310	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
311	root	1.3	last;
312			} else {
313			$ns->send_drawinfo (
314			"Your username contains illegal characters "
315			. "(only a-z, A-Z and 0-9 are allowed), "
316			. "or is not between 3 and 18 characters in length.",
317			cf::NDI_RED
318			);
319			}
320	root	1.1	}
321
322			check_playing $ns, $user and next;
323
324			$ns->send_drawinfo (
325			"Welcome $user, please enter your password now. "
326			. "New users should now choose a password. "
327			. "Anything your client lets you enter is fine.",
328			cf::NDI_BLUE
329			);
330
331			# read password
332			while () {
333			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
334			last if $pass =~ /.../;
335			$ns->send_drawinfo (
336			"Try to use at least three characters as your password please, "
337			. "that cannot be too much to ask for :)",
338			cf::NDI_RED
339			);
340			}
341
342	root	1.3	# lock this username for the remainder of this login session
343			if ($cf::LOGIN_LOCK{$user}) {
344			$ns->send_drawinfo (
345			"That username is currently used in another login session. "
346			. "Chose another, or wait till the other session has ended.",
347			cf::NDI_RED
348			);
349			next;
350			}
351			local $cf::LOGIN_LOCK{$user} = 1;
352
353			check_playing $ns, $user and next;
354
355	root	1.1	# try to read the user file and check the password
356	root	1.19	if (my $pl = cf::player::find $user) {
357			aio_stat $pl->path and next;
358			my $mtime = (stat _)[9];
359			my $hash = $pl->password;
360	root	1.1
361	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
362	root	1.9	nuke_str $pass;
363	root	1.1	# password matches, wonderful
364	root	1.11	my $pl = cf::player::find $user or next;
365	root	1.1	$pl->connect ($ns);
366	root	1.48	enter_map $pl;
367	root	1.1	last;
368	root	1.19	} elsif (can_cleanup $pl, $mtime) {
369	root	1.1	Coro::Timer::sleep 1;
370
371			$ns->send_drawinfo (
372	root	1.3	"Player exists, but password does not match. If this is your account, "
373			. "please try again. If not, you can now decide to take over this account "
374	root	1.1	. "because it has not been in-use for some time.",
375			cf::NDI_RED
376			);
377
378	root	1.9	#TODO: nuke_str
379	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
380			or next;
381
382			# check if the file hasn't changed
383	root	1.11	aio_stat cf::player::path $user and next;
384	root	1.1	$mtime == (stat _)[9] or next;
385
386	root	1.19	$pl->quit_character;
387	root	1.1
388			# fall through to creation
389			} else {
390	root	1.9	nuke_str $pass;
391
392	root	1.1	Coro::Timer::sleep 1;
393
394			$ns->send_drawinfo (
395			"Wrong username or password. Please try again "
396			. "(check for Numlock and other semi-obvious error sources).",
397			cf::NDI_RED
398			);
399			next;
400			}
401	root	1.37	} else {
402			# unable to load the playerfile:
403			# check wether the player dir exists, which means the file is corrupted or
404			# something very similar.
405			if (!aio_stat cf::player::playerdir $user) {
406			$ns->send_drawinfo (
407			"Unable to retrieve this player. It might be a locked or broken account. "
408			. "If this is your account, ask a dungeon master for assistance. "
409			. "Otherwise choose a different login name.",
410			cf::NDI_RED
411			);
412			next;
413			}
414	root	1.1	}
415
416			# the rest of this function is character creation
417
418	root	1.3	# just to make sure nothing is left over
419	root	1.1	nuke_playerdir $user;
420
421	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
422
423			if ($pass2 ne $pass) {
424	root	1.9	nuke_str $pass;
425			nuke_str $pass2;
426	root	1.3	$ns->send_drawinfo (
427			"The passwords do not match, please try again.",
428			cf::NDI_RED
429			);
430			next;
431			}
432
433	root	1.9	nuke_str $pass2;
434
435	root	1.11	my $pl = cf::player::new $user;
436	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
437	root	1.9	nuke_str $pass;
438	root	1.1	$pl->connect ($ns);
439	root	1.48	my $ob = $pl->ob;
440	root	1.3
441	root	1.48	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
442	root	1.1
443			while () {
444			$ob->update_stats;
445			$pl->save_stats;
446
447			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
448			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
449
450			if ($res =~ /^[Nn]/) {
451			last;
452			} elsif ($res > 0 && $res <= 7) {
453			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
454
455			if ($swap > 0 && $swap <= 7) {
456			$ob->swap_stats ($res - 1, $swap - 1);
457			}
458			} else {
459			$ob->roll_stats;
460			}
461			}
462
463			$ob->set_animation (2);
464			$ob->add_statbonus;
465
466	root	1.45	while () {
467			$ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
468			my $msg = $ob->msg;
469	root	1.46	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
470	root	1.45	$ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
471
472			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
473			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
474
475			last if $res =~ /[dD]/;
476
477			$pl->chargen_race_next;
478			}
479
480			$pl->chargen_race_done;
481	root	1.1
482	root	1.55	while () {
483			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
484			"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
485
486			if ($res =~ /^[fF]/) {
487			$pl->gender (1);
488			last;
489			} elsif ($res =~ /^[mM]/) {
490			$pl->gender (0);
491			last;
492			}
493			}
494
495			$ob->reply (undef, "Welcome to Crossfire!");
496
497	root	1.45	delete $pl->{deny_save};
498	root	1.1
499			last;
500			}
501			});
502			}
503
504	root	1.12	cf::register_command quit => sub {
505			my ($ob, $arg) = @_;
506
507			$ob->reply (undef,
508			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
509			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
510			cf::NDI_UNIQUE \| cf::NDI_RED);
511			};
512
513			cf::register_command quit_character => sub {
514			my ($ob, $arg) = @_;
515
516			my $pl = $ob->contr;
517
518			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
519			if ($_[0] !~ /^[yY]/) {
520			$ob->reply (undef,
521			"Ok, not not quitting then.",
522			cf::NDI_UNIQUE \| cf::NDI_RED);
523			} else {
524			$ob->reply (undef,
525			"Ok, quitting, hope to see you again.",
526			cf::NDI_UNIQUE \| cf::NDI_RED);
527			$pl->ns->flush;
528	root	1.31	cf::async { $pl->quit_character };
529	root	1.12	}
530			});
531			};
532	root	1.11
533	root	1.1	cf::object->attach (
534			type => cf::SAVEBED,
535			on_apply => sub {
536			my ($bed, $ob) = @_;
537
538			return cf::override 0 unless $ob->type == cf::PLAYER;
539
540	root	1.15	my $pl = $ob->contr;
541	root	1.11
542	root	1.1	# update respawn position
543	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
544	root	1.22	cf::async { $pl->save };
545	root	1.1
546	root	1.11	$pl->killer ("left");
547	root	1.5	$ob->check_score;
548	root	1.1
549			$ob->reply (undef, "In the future, you will wake up here when you die.");
550
551	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
552	root	1.6	if ($_[0] !~ /^[yY]/) {
553	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
554			$pl->deactivate;
555			$pl->ns->destroy;
556	root	1.7	} else {
557	root	1.13	cf::async { $pl->save };
558	root	1.6	}
559	root	1.1	});
560			},
561			);
562
563	root	1.8	cf::player->attach (
564			on_login => sub {
565			my ($pl) = @_;
566			my $name = $pl->ob->name;
567
568			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
569			},
570			on_logout => sub {
571			my ($pl, $cleanly) = @_;
572			my $name = $pl->ob->name;
573
574			if ($cleanly) {
575			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
576			} else {
577			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
578	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
579	root	1.8	}
580			},
581			);
582
583			cf::client->attach (
584			on_addme => \&addme,
585	root	1.32	on_setup => \&setup,
586	root	1.8	);
587	root	1.1
588	root	1.11	#############################################################################
589
590	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
591			our $SAVE_TIMEOUT = 20; # save players every n seconds
592	root	1.11
593			our $SCHEDULER = cf::async_ext {
594	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
595	root	1.11	while () {
596	root	1.27	$schedule_interval->next;
597	root	1.11
598			# this weird form of iteration over values is used because
599			# the hash changes underneath us frequently, and for
600			# keeps a direct reference to the value without (in 5.8 perls)
601			# keeping a reference, so this is prone to crashes or worse.
602			my @players = keys %cf::PLAYER;
603			for (@players) {
604			my $pl = $cf::PLAYER{$_}
605			or next;
606			$pl->valid or next;
607
608			eval {
609			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
610	root	1.39	cf::wait_for_tick_begin;
611	root	1.11	$pl->save;
612	root	1.17
613	root	1.49	unless ($pl->active \|\| $pl->ns) {
614	root	1.21	# check refcounts, this is tricky and needs to be adjusted to fit server internals
615			my $ob = $pl->ob;
616	root	1.50
617	root	1.21	my $pl_ref = $pl->refcnt_cnt;
618			my $ob_ref = $ob->refcnt_cnt;
619
620	root	1.51	## pl_ref == $pl + ob->contr + %cf::PLAYER
621			## ob_ref == $ob + pl->observe + simply being an object
622	root	1.50	if ($pl_ref == 3 && $ob_ref == 3) {
623	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
624
625			# remove from sight and get fresh "copies"
626			$pl = delete $cf::PLAYER{$ob->name};
627			$ob = $pl->ob;
628
629	root	1.54	$pl->destroy; # destroys $ob
630	root	1.21	} else {
631	root	1.50	my $a_ = $pl->refcnt;#d#
632			my $b_ = $ob->refcnt;#d#
633
634	root	1.52	warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
635	root	1.21	}
636	root	1.17	}
637			}
638	root	1.11	};
639			warn $@ if $@;
640			Coro::cede;
641			};
642			}
643			};
644
645			$SCHEDULER->prio (1);
646