server/ext/login.ext

#! perl # mandatory

# login handling

use Fcntl;
use Coro::AIO;

our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} || 3600;

# 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 have already a registered, make sure nobody "
    . "else is using your account at this time. If you lost your connection "
    . "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 safe_spot($$$) {
   my ($m, $x, $y) = @_;

   return 0;
   warn join ":", $m->at ($x, $y);#d#
   warn "FOO$m { ".scalar ($m->at ($x, $y))." }\n";
   return 0;

   scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
}

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

   my $ob = $pl->ob;

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

   $ob->enter_link;

   my $m = cf::map::find $map;
   my $time = delete $pl->{unclean_save};

   if ($time && $m && !safe_spot $m, $x, $y) {
      if ($time < $m->{instantiate_time}) {
         # the map was reset in the meantime
         my $age = $cf::RUNTIME - $time;

         warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#

         ($map, $x, $y) = $pl->savebed;

         if ($age >= $MAX_DISCONNECT_TIME) {
            $ob->message (
               "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
             . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
             . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
             . "H<You disconnected too long without having used a savebed.>",
               cf::NDI_RED
            );
            # kill them.
            # reminds me of the famous badness 10000 syndrome...
            $ob->stats->hp (-10000); #] if they survive this they deserved to live
            $pl->killer ("a cave-in");
         } else {
            $ob->message (
               "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... "
             . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
               cf::NDI_RED
            );
         }
      } else {
         $ob->message (
            "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. "
          . "H<Always apply a bed of reality to disconnect from the server.>",
            cf::NDI_RED
         );
      }
   }

   $ob->goto ($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) = @_;

   my $temp = "$PLAYERDIR/~$Coro::current~deleting~";

   cf::fork_call {
      rename "$PLAYERDIR/$user", $temp;
      system "rm", "-rf", $temp;
   };
}

cf::client->attach (on_addme => sub {
   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 {
      $Coro::current->{desc} = "addme init";

      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
               );
            }
            Coro::Timer::sleep 0.4;
         }

         check_playing $ns, $user and next;

         $Coro::current->{desc} = "addme($user) pass";

         $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
            );
            Coro::Timer::sleep 0.4;
         }

         # 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;

         $Coro::current->{desc} = "addme($user) check";

         # 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
         $Coro::current->{desc} = "addme($user) chargen";

         # 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
            );
            Coro::Timer::sleep 0.5;
            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;
            }

            Coro::Timer::sleep 0.2;
         }

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

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

            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;
            Coro::Timer::sleep 0.2;
         }

         $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;
            }
            Coro::Timer::sleep 0.2;
         }

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

         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;
      }
   },
);

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

our $SCHEDULE_INTERVAL  = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
our $SAVE_TIMEOUT       = $cf::CFG{player_save_interval}     || 20; # save players every n seconds

our $SCHEDULER = cf::async_ext {
   $Coro::current->{desc} = "player scheduler";

   while () {
      Coro::EV::timer_once $SCHEDULE_INTERVAL;

      # 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) {
               $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:	1.78
Committed:	Mon Jan 7 01:55:19 2008 UTC (18 years, 9 months ago) by root
Branch:	MAIN
Changes since 1.77:	+5 -0 lines
Log Message:	* empty log message *
#	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	1.53
8	root	1.64	our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} \|\| 3600;
9
10	root	1.9	# paranoia function to overwrite a string-in-place
11			sub nuke_str {
12			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13			}
14	root	1.1
15			sub query {
16			my ($ns, $flags, $text) = @_;
17
18			my $current = $Coro::current;
19	root	1.38	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20	root	1.1	Coro::schedule while ref $current;
21
22			$current
23			}
24
25			sub can_cleanup {
26	root	1.19	my ($pl, $mtime) = @_;
27	root	1.1
28			my $age = time - $mtime;
29	root	1.19	my $level = $pl->ob->level;
30	root	1.1
31			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
32			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
33			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
34			\|\| $age > 700 * 86400 # 2 years for everybody else
35			}
36
37			sub check_playing {
38			my ($ns, $user) = @_;
39
40	root	1.11	return unless cf::player::find_active $user;
41	root	1.1
42			$ns->send_drawinfo (
43			"That player is already logged in on this server. "
44			. "If you want to create a new player, choose another name. "
45	root	1.59	. "If you have already a registered, make sure nobody "
46			. "else is using your account at this time. If you lost your connection "
47	root	1.1	. "then the server will likely timeout within a minute. If you still "
48			. "cannot log-in after a minute, you are still logged in. Make sure "
49			. "you do not have another client running. If you use windows, reboot, "
50			. "this will fix anything.",
51			cf::NDI_RED
52			);
53
54			1
55			}
56
57	root	1.76	sub safe_spot($$$) {
58			my ($m, $x, $y) = @_;
59
60	root	1.78	return 0;
61			warn join ":", $m->at ($x, $y);#d#
62			warn "FOO$m { ".scalar ($m->at ($x, $y))." }\n";
63			return 0;
64
65	root	1.76	scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
66			}
67
68	root	1.48	sub enter_map {
69	root	1.11	my ($pl) = @_;
70
71	root	1.62	my $ob = $pl->ob;
72
73	root	1.48	my ($map, $x, $y)
74	root	1.62	= $ob->{_link_pos}
75			? @{delete $ob->{_link_pos}}
76			: ($pl->maplevel, $ob->x, $ob->y);
77	root	1.48
78	root	1.62	$ob->enter_link;
79	root	1.48
80	root	1.77	my $m = cf::map::find $map;
81			my $time = delete $pl->{unclean_save};
82
83			if ($time && $m && !safe_spot $m, $x, $y) {
84			if ($time < $m->{instantiate_time}) {
85			# the map was reset in the meantime
86			my $age = $cf::RUNTIME - $time;
87
88			warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
89
90			($map, $x, $y) = $pl->savebed;
91
92			if ($age >= $MAX_DISCONNECT_TIME) {
93			$ob->message (
94			"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
95			. "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
96			. "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
97			. "H<You disconnected too long without having used a savebed.>",
98			cf::NDI_RED
99			);
100			# kill them.
101			# reminds me of the famous badness 10000 syndrome...
102			$ob->stats->hp (-10000); #] if they survive this they deserved to live
103			$pl->killer ("a cave-in");
104	root	1.48	} else {
105	root	1.64	$ob->message (
106	root	1.77	"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
107			. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
108			. "Better use a savebed next time, much worse things could have happened... "
109			. "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
110	root	1.48	cf::NDI_RED
111			);
112			}
113	root	1.77	} else {
114			$ob->message (
115			"You didn't use a bed to reality to leave this realm. This is very dangerous, "
116			. "as lots of things could happen when you leave by other means, such as cave-ins, "
117			. "or monsters suddenly snapping your body. Better use a savebed next time. "
118			. "H<Always apply a bed of reality to disconnect from the server.>",
119			cf::NDI_RED
120			);
121	root	1.48	}
122	root	1.11	}
123	root	1.48
124	root	1.62	$ob->goto ($map, $x, $y);
125	root	1.11	}
126
127	root	1.1	# delete a player directory, be non-blocking AND synchronous...
128			# (thats hard, so we crap out and fork).
129			sub nuke_playerdir {
130			my ($user) = @_;
131
132	root	1.71	my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
133
134			cf::fork_call {
135			rename "$PLAYERDIR/$user", $temp;
136			system "rm", "-rf", $temp;
137			};
138	root	1.1	}
139
140	root	1.60	cf::client->attach (on_addme => sub {
141	root	1.1	my ($ns) = @_;
142
143	root	1.60	if (!$ns->facecache)
144			{
145			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
146	root	1.32
147
148			***
149			*** WARNING:
150			*** Your client does not support face/image caching,
151			*** or it has been disabled. Face caching is mandatory
152			*** so please enable it or use a newer client.
153			***
154			*** Look at your client preferences:
155			***
156			*** CFPlus: all known versions automatically enable the facecache.
157			*** cfclient: use the -cache commandline option.
158			*** cfclient: map will not redraw automatically (bug).
159			*** gcfclient: use -cache commandline option, or enable
160	root	1.70	*** gcfclient: Client => Configure => Map & Image => Cache Images.
161	root	1.32	*** jcrossclient: your client is broken, use CFPlus or gcfclient.
162			***
163			***
164			EOF
165			if ($ns->version =~ /jcrossclient/) {
166			# let them, for now
167			} else {
168			$ns->flush;
169			return $ns->destroy;
170			}
171
172			# $ns->facecache = true;
173	root	1.33	}
174
175			if ($ns->mapmode < cf::Map1aCmd) {
176			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
177
178
179			***
180			*** WARNING:
181			*** Your client is too old. Please upgrade to a newer version.
182			EOF
183
184			$ns->flush;
185			return $ns->destroy;
186			}
187	root	1.32
188			$ns->pl and return $ns->destroy;
189	root	1.1
190	root	1.10	$ns->async (sub {
191	root	1.72	$Coro::current->{desc} = "addme init";
192
193	root	1.1	my ($user, $pass);
194
195			$ns->send_packet ("addme_success");
196
197			for (;;) {
198			$ns->send_drawinfo (
199			"Please enter your username now. If you are a new user, "
200			. "make one up that describes your character best. "
201			. "Only letters and digits are allowed, though.",
202			cf::NDI_BLUE
203			);
204
205			# read username
206			while () {
207			$user = query $ns, 0, "What is your name?\n:";
208	root	1.3
209			if ($cf::LOGIN_LOCK{$user}) {
210			$ns->send_drawinfo (
211			"That username is currently used in another login session. "
212			. "Chose another, or wait till the other session has ended.",
213			cf::NDI_RED
214			);
215	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
216	root	1.3	last;
217			} else {
218			$ns->send_drawinfo (
219			"Your username contains illegal characters "
220			. "(only a-z, A-Z and 0-9 are allowed), "
221			. "or is not between 3 and 18 characters in length.",
222			cf::NDI_RED
223			);
224			}
225	root	1.61	Coro::Timer::sleep 0.4;
226	root	1.1	}
227
228			check_playing $ns, $user and next;
229
230	root	1.72	$Coro::current->{desc} = "addme($user) pass";
231
232	root	1.1	$ns->send_drawinfo (
233			"Welcome $user, please enter your password now. "
234			. "New users should now choose a password. "
235			. "Anything your client lets you enter is fine.",
236			cf::NDI_BLUE
237			);
238
239			# read password
240			while () {
241			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
242			last if $pass =~ /.../;
243			$ns->send_drawinfo (
244			"Try to use at least three characters as your password please, "
245			. "that cannot be too much to ask for :)",
246			cf::NDI_RED
247			);
248	root	1.61	Coro::Timer::sleep 0.4;
249	root	1.1	}
250
251	root	1.3	# lock this username for the remainder of this login session
252			if ($cf::LOGIN_LOCK{$user}) {
253			$ns->send_drawinfo (
254			"That username is currently used in another login session. "
255			. "Chose another, or wait till the other session has ended.",
256			cf::NDI_RED
257			);
258			next;
259			}
260			local $cf::LOGIN_LOCK{$user} = 1;
261
262			check_playing $ns, $user and next;
263
264	root	1.72	$Coro::current->{desc} = "addme($user) check";
265
266	root	1.1	# try to read the user file and check the password
267	root	1.19	if (my $pl = cf::player::find $user) {
268			aio_stat $pl->path and next;
269			my $mtime = (stat _)[9];
270			my $hash = $pl->password;
271	root	1.1
272	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
273	root	1.9	nuke_str $pass;
274	root	1.1	# password matches, wonderful
275	root	1.11	my $pl = cf::player::find $user or next;
276	root	1.1	$pl->connect ($ns);
277	root	1.48	enter_map $pl;
278	root	1.1	last;
279	root	1.19	} elsif (can_cleanup $pl, $mtime) {
280	root	1.1	Coro::Timer::sleep 1;
281
282			$ns->send_drawinfo (
283	root	1.3	"Player exists, but password does not match. If this is your account, "
284			. "please try again. If not, you can now decide to take over this account "
285	root	1.1	. "because it has not been in-use for some time.",
286			cf::NDI_RED
287			);
288
289	root	1.9	#TODO: nuke_str
290	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
291			or next;
292
293			# check if the file hasn't changed
294	root	1.11	aio_stat cf::player::path $user and next;
295	root	1.1	$mtime == (stat _)[9] or next;
296
297	root	1.19	$pl->quit_character;
298	root	1.1
299			# fall through to creation
300			} else {
301	root	1.9	nuke_str $pass;
302
303	root	1.1	Coro::Timer::sleep 1;
304
305			$ns->send_drawinfo (
306			"Wrong username or password. Please try again "
307			. "(check for Numlock and other semi-obvious error sources).",
308			cf::NDI_RED
309			);
310			next;
311			}
312	root	1.37	} else {
313			# unable to load the playerfile:
314			# check wether the player dir exists, which means the file is corrupted or
315			# something very similar.
316			if (!aio_stat cf::player::playerdir $user) {
317			$ns->send_drawinfo (
318			"Unable to retrieve this player. It might be a locked or broken account. "
319			. "If this is your account, ask a dungeon master for assistance. "
320			. "Otherwise choose a different login name.",
321			cf::NDI_RED
322			);
323			next;
324			}
325	root	1.1	}
326
327			# the rest of this function is character creation
328	root	1.72	$Coro::current->{desc} = "addme($user) chargen";
329	root	1.1
330	root	1.3	# just to make sure nothing is left over
331	root	1.1	nuke_playerdir $user;
332
333	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
334
335			if ($pass2 ne $pass) {
336	root	1.9	nuke_str $pass;
337			nuke_str $pass2;
338	root	1.3	$ns->send_drawinfo (
339			"The passwords do not match, please try again.",
340			cf::NDI_RED
341			);
342	root	1.61	Coro::Timer::sleep 0.5;
343	root	1.3	next;
344			}
345
346	root	1.9	nuke_str $pass2;
347
348	root	1.11	my $pl = cf::player::new $user;
349	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
350	root	1.9	nuke_str $pass;
351	root	1.1	$pl->connect ($ns);
352	root	1.48	my $ob = $pl->ob;
353	root	1.3
354	root	1.48	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
355	root	1.1
356			while () {
357			$ob->update_stats;
358			$pl->save_stats;
359
360			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
361			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
362
363			if ($res =~ /^[Nn]/) {
364			last;
365			} elsif ($res > 0 && $res <= 7) {
366			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
367
368			if ($swap > 0 && $swap <= 7) {
369			$ob->swap_stats ($res - 1, $swap - 1);
370			}
371			} else {
372			$ob->roll_stats;
373			}
374	root	1.61
375			Coro::Timer::sleep 0.2;
376	root	1.1	}
377
378			$ob->set_animation (2);
379			$ob->add_statbonus;
380
381	root	1.45	while () {
382	root	1.67	$ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
383	root	1.45	my $msg = $ob->msg;
384	root	1.46	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
385	root	1.67	$ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
386	root	1.45
387			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
388			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
389
390			last if $res =~ /[dD]/;
391
392			$pl->chargen_race_next;
393	root	1.61	Coro::Timer::sleep 0.2;
394	root	1.45	}
395
396			$pl->chargen_race_done;
397	root	1.1
398	root	1.55	while () {
399			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
400			"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
401
402			if ($res =~ /^[fF]/) {
403			$pl->gender (1);
404			last;
405			} elsif ($res =~ /^[mM]/) {
406			$pl->gender (0);
407			last;
408			}
409	root	1.61	Coro::Timer::sleep 0.2;
410	root	1.55	}
411
412	root	1.75	$ob->reply (undef, "Welcome to Deliantra!");
413	root	1.55
414	root	1.45	delete $pl->{deny_save};
415	root	1.1
416			last;
417			}
418			});
419	root	1.60	});
420	root	1.1
421	root	1.12	cf::register_command quit => sub {
422			my ($ob, $arg) = @_;
423
424			$ob->reply (undef,
425			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
426			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
427			cf::NDI_UNIQUE \| cf::NDI_RED);
428			};
429
430			cf::register_command quit_character => sub {
431			my ($ob, $arg) = @_;
432
433			my $pl = $ob->contr;
434
435			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
436			if ($_[0] !~ /^[yY]/) {
437			$ob->reply (undef,
438			"Ok, not not quitting then.",
439			cf::NDI_UNIQUE \| cf::NDI_RED);
440			} else {
441			$ob->reply (undef,
442			"Ok, quitting, hope to see you again.",
443			cf::NDI_UNIQUE \| cf::NDI_RED);
444			$pl->ns->flush;
445	root	1.31	cf::async { $pl->quit_character };
446	root	1.12	}
447			});
448			};
449	root	1.11
450	root	1.1	cf::object->attach (
451			type => cf::SAVEBED,
452			on_apply => sub {
453			my ($bed, $ob) = @_;
454
455			return cf::override 0 unless $ob->type == cf::PLAYER;
456
457	root	1.15	my $pl = $ob->contr;
458	root	1.11
459	root	1.1	# update respawn position
460	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
461	root	1.22	cf::async { $pl->save };
462	root	1.1
463	root	1.11	$pl->killer ("left");
464	root	1.5	$ob->check_score;
465	root	1.1
466			$ob->reply (undef, "In the future, you will wake up here when you die.");
467
468	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
469	root	1.6	if ($_[0] !~ /^[yY]/) {
470	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
471			$pl->deactivate;
472			$pl->ns->destroy;
473	root	1.7	} else {
474	root	1.13	cf::async { $pl->save };
475	root	1.6	}
476	root	1.1	});
477			},
478			);
479
480	root	1.8	cf::player->attach (
481			on_login => sub {
482			my ($pl) = @_;
483			my $name = $pl->ob->name;
484
485			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
486			},
487			on_logout => sub {
488			my ($pl, $cleanly) = @_;
489			my $name = $pl->ob->name;
490
491			if ($cleanly) {
492			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
493			} else {
494			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
495	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
496	root	1.8	}
497			},
498			);
499
500	root	1.11	#############################################################################
501
502	root	1.69	our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} \|\| 10; # time the player scheduler sleeps between runs
503			our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} \|\| 20; # save players every n seconds
504	root	1.11
505			our $SCHEDULER = cf::async_ext {
506	root	1.72	$Coro::current->{desc} = "player scheduler";
507
508	root	1.11	while () {
509	root	1.74	Coro::EV::timer_once $SCHEDULE_INTERVAL;
510	root	1.11
511			# this weird form of iteration over values is used because
512			# the hash changes underneath us frequently, and for
513			# keeps a direct reference to the value without (in 5.8 perls)
514			# keeping a reference, so this is prone to crashes or worse.
515			my @players = keys %cf::PLAYER;
516			for (@players) {
517			my $pl = $cf::PLAYER{$_}
518			or next;
519			$pl->valid or next;
520
521			eval {
522			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
523			$pl->save;
524	root	1.17
525	root	1.49	unless ($pl->active \|\| $pl->ns) {
526	root	1.21	# check refcounts, this is tricky and needs to be adjusted to fit server internals
527			my $ob = $pl->ob;
528	root	1.50
529	root	1.21	my $pl_ref = $pl->refcnt_cnt;
530			my $ob_ref = $ob->refcnt_cnt;
531
532	root	1.51	## pl_ref == $pl + ob->contr + %cf::PLAYER
533			## ob_ref == $ob + pl->observe + simply being an object
534	root	1.50	if ($pl_ref == 3 && $ob_ref == 3) {
535	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
536
537			# remove from sight and get fresh "copies"
538			$pl = delete $cf::PLAYER{$ob->name};
539			$ob = $pl->ob;
540
541	root	1.54	$pl->destroy; # destroys $ob
542	root	1.21	} else {
543	root	1.50	my $a_ = $pl->refcnt;#d#
544			my $b_ = $ob->refcnt;#d#
545
546	root	1.52	warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
547	root	1.21	}
548	root	1.17	}
549			}
550	root	1.11	};
551			warn $@ if $@;
552			Coro::cede;
553			};
554			}
555			};
556
557			$SCHEDULER->prio (1);
558