server/ext/login.ext

#! perl # mandatory

# login handling

use Fcntl;
use Coro::AIO;

# 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 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;

   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 $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
            );
         }
      }
   }

   $ob->goto ($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~ &)";
}

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;

   $ns->async (sub {
      my ($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;

         $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;

         # 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
            );
            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 (-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;
            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 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;
      }
   },
);

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

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:	1.63
Committed:	Sat Jul 14 14:54:05 2007 UTC (16 years, 10 months ago) by root
Branch:	MAIN
Changes since 1.62:	+1 -1 lines
Log Message:	doh
#	Content
1	#! perl # mandatory
2
3	# login handling
4
5	use Fcntl;
6	use Coro::AIO;
7
8	# paranoia function to overwrite a string-in-place
9	sub nuke_str {
10	substr $_[0], 0, (length $_[0]), "x" x length $_[0]
11	}
12
13	sub query {
14	my ($ns, $flags, $text) = @_;
15
16	my $current = $Coro::current;
17	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
18	Coro::schedule while ref $current;
19
20	$current
21	}
22
23	sub can_cleanup {
24	my ($pl, $mtime) = @_;
25
26	my $age = time - $mtime;
27	my $level = $pl->ob->level;
28
29	($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
30	\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
31	\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
32	\|\| $age > 700 * 86400 # 2 years for everybody else
33	}
34
35	sub check_playing {
36	my ($ns, $user) = @_;
37
38	return unless cf::player::find_active $user;
39
40	$ns->send_drawinfo (
41	"That player is already logged in on this server. "
42	. "If you want to create a new player, choose another name. "
43	. "If you have already a registered, make sure nobody "
44	. "else is using your account at this time. If you lost your connection "
45	. "then the server will likely timeout within a minute. If you still "
46	. "cannot log-in after a minute, you are still logged in. Make sure "
47	. "you do not have another client running. If you use windows, reboot, "
48	. "this will fix anything.",
49	cf::NDI_RED
50	);
51
52	1
53	}
54
55	sub enter_map {
56	my ($pl) = @_;
57
58	my $ob = $pl->ob;
59
60	my ($map, $x, $y)
61	= $ob->{_link_pos}
62	? @{delete $ob->{_link_pos}}
63	: ($pl->maplevel, $ob->x, $ob->y);
64
65	$ob->enter_link;
66
67	if (my $time = delete $pl->{unclean_save}) {
68	if (my $m = cf::map::find $map) {
69	if ($time < $m->{instantiate_time}) {
70	# the map was reset in the meantime
71	my $age = $cf::RUNTIME - $time;
72	warn $ob->name, " map reset after logout, logout age $age\n";#d#
73
74	# for now, just go back to savebed
75	($map, $x, $y) = $pl->savebed;
76
77	$pl->ns->send_drawinfo (
78	"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
79	. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
80	. "Better use a savebed next time, much worse things could have happened...",
81	cf::NDI_RED
82	);
83	} else {
84	$pl->ns->send_drawinfo (
85	"You didn't use a bed to reality to leave this realm. This is very dangerous, "
86	. "as lots of things could happen when you leave by other means, such as cave-ins, "
87	. "or monsters suddenly snapping your body. Better use a savebed next time.",
88	cf::NDI_RED
89	);
90	}
91	}
92	}
93
94	$ob->goto ($map, $x, $y);
95	}
96
97	# delete a player directory, be non-blocking AND synchronous...
98	# (thats hard, so we crap out and fork).
99	sub nuke_playerdir {
100	my ($user) = @_;
101
102	aio_stat "$PLAYERDIR/$user";
103	system "cd \Q$PLAYERDIR\E "
104	. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
105	. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
106	}
107
108	cf::client->attach (on_addme => sub {
109	my ($ns) = @_;
110
111	if (!$ns->facecache)
112	{
113	$ns->send_drawinfo (<<EOF, cf::NDI_RED);
114
115
116	***
117	*** WARNING:
118	*** Your client does not support face/image caching,
119	*** or it has been disabled. Face caching is mandatory
120	*** so please enable it or use a newer client.
121	***
122	*** Look at your client preferences:
123	***
124	*** CFPlus: all known versions automatically enable the facecache.
125	*** cfclient: use the -cache commandline option.
126	*** cfclient: map will not redraw automatically (bug).
127	*** gcfclient: use -cache commandline option, or enable
128	*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
129	*** jcrossclient: your client is broken, use CFPlus or gcfclient.
130	***
131	***
132	EOF
133	if ($ns->version =~ /jcrossclient/) {
134	# let them, for now
135	} else {
136	$ns->flush;
137	return $ns->destroy;
138	}
139
140	# $ns->facecache = true;
141	}
142
143	if ($ns->mapmode < cf::Map1aCmd) {
144	$ns->send_drawinfo (<<EOF, cf::NDI_RED);
145
146
147	***
148	*** WARNING:
149	*** Your client is too old. Please upgrade to a newer version.
150	EOF
151
152	$ns->flush;
153	return $ns->destroy;
154	}
155
156	$ns->pl and return $ns->destroy;
157
158	$ns->async (sub {
159	my ($user, $pass);
160
161	$ns->send_packet ("addme_success");
162
163	for (;;) {
164	$ns->send_drawinfo (
165	"Please enter your username now. If you are a new user, "
166	. "make one up that describes your character best. "
167	. "Only letters and digits are allowed, though.",
168	cf::NDI_BLUE
169	);
170
171	# read username
172	while () {
173	$user = query $ns, 0, "What is your name?\n:";
174
175	if ($cf::LOGIN_LOCK{$user}) {
176	$ns->send_drawinfo (
177	"That username is currently used in another login session. "
178	. "Chose another, or wait till the other session has ended.",
179	cf::NDI_RED
180	);
181	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
182	last;
183	} else {
184	$ns->send_drawinfo (
185	"Your username contains illegal characters "
186	. "(only a-z, A-Z and 0-9 are allowed), "
187	. "or is not between 3 and 18 characters in length.",
188	cf::NDI_RED
189	);
190	}
191	Coro::Timer::sleep 0.4;
192	}
193
194	check_playing $ns, $user and next;
195
196	$ns->send_drawinfo (
197	"Welcome $user, please enter your password now. "
198	. "New users should now choose a password. "
199	. "Anything your client lets you enter is fine.",
200	cf::NDI_BLUE
201	);
202
203	# read password
204	while () {
205	$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
206	last if $pass =~ /.../;
207	$ns->send_drawinfo (
208	"Try to use at least three characters as your password please, "
209	. "that cannot be too much to ask for :)",
210	cf::NDI_RED
211	);
212	Coro::Timer::sleep 0.4;
213	}
214
215	# lock this username for the remainder of this login session
216	if ($cf::LOGIN_LOCK{$user}) {
217	$ns->send_drawinfo (
218	"That username is currently used in another login session. "
219	. "Chose another, or wait till the other session has ended.",
220	cf::NDI_RED
221	);
222	next;
223	}
224	local $cf::LOGIN_LOCK{$user} = 1;
225
226	check_playing $ns, $user and next;
227
228	# try to read the user file and check the password
229	if (my $pl = cf::player::find $user) {
230	aio_stat $pl->path and next;
231	my $mtime = (stat _)[9];
232	my $hash = $pl->password;
233
234	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
235	nuke_str $pass;
236	# password matches, wonderful
237	my $pl = cf::player::find $user or next;
238	$pl->connect ($ns);
239	enter_map $pl;
240	last;
241	} elsif (can_cleanup $pl, $mtime) {
242	Coro::Timer::sleep 1;
243
244	$ns->send_drawinfo (
245	"Player exists, but password does not match. If this is your account, "
246	. "please try again. If not, you can now decide to take over this account "
247	. "because it has not been in-use for some time.",
248	cf::NDI_RED
249	);
250
251	#TODO: nuke_str
252	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
253	or next;
254
255	# check if the file hasn't changed
256	aio_stat cf::player::path $user and next;
257	$mtime == (stat _)[9] or next;
258
259	$pl->quit_character;
260
261	# fall through to creation
262	} else {
263	nuke_str $pass;
264
265	Coro::Timer::sleep 1;
266
267	$ns->send_drawinfo (
268	"Wrong username or password. Please try again "
269	. "(check for Numlock and other semi-obvious error sources).",
270	cf::NDI_RED
271	);
272	next;
273	}
274	} else {
275	# unable to load the playerfile:
276	# check wether the player dir exists, which means the file is corrupted or
277	# something very similar.
278	if (!aio_stat cf::player::playerdir $user) {
279	$ns->send_drawinfo (
280	"Unable to retrieve this player. It might be a locked or broken account. "
281	. "If this is your account, ask a dungeon master for assistance. "
282	. "Otherwise choose a different login name.",
283	cf::NDI_RED
284	);
285	next;
286	}
287	}
288
289	# the rest of this function is character creation
290
291	# just to make sure nothing is left over
292	nuke_playerdir $user;
293
294	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
295
296	if ($pass2 ne $pass) {
297	nuke_str $pass;
298	nuke_str $pass2;
299	$ns->send_drawinfo (
300	"The passwords do not match, please try again.",
301	cf::NDI_RED
302	);
303	Coro::Timer::sleep 0.5;
304	next;
305	}
306
307	nuke_str $pass2;
308
309	my $pl = cf::player::new $user;
310	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
311	nuke_str $pass;
312	$pl->connect ($ns);
313	my $ob = $pl->ob;
314
315	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
316
317	while () {
318	$ob->update_stats;
319	$pl->save_stats;
320
321	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
322	"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
323
324	if ($res =~ /^[Nn]/) {
325	last;
326	} elsif ($res > 0 && $res <= 7) {
327	my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
328
329	if ($swap > 0 && $swap <= 7) {
330	$ob->swap_stats ($res - 1, $swap - 1);
331	}
332	} else {
333	$ob->roll_stats;
334	}
335
336	Coro::Timer::sleep 0.2;
337	}
338
339	$ob->set_animation (2);
340	$ob->add_statbonus;
341
342	while () {
343	$ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
344	my $msg = $ob->msg;
345	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
346	$ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
347
348	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
349	"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
350
351	last if $res =~ /[dD]/;
352
353	$pl->chargen_race_next;
354	Coro::Timer::sleep 0.2;
355	}
356
357	$pl->chargen_race_done;
358
359	while () {
360	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
361	"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
362
363	if ($res =~ /^[fF]/) {
364	$pl->gender (1);
365	last;
366	} elsif ($res =~ /^[mM]/) {
367	$pl->gender (0);
368	last;
369	}
370	Coro::Timer::sleep 0.2;
371	}
372
373	$ob->reply (undef, "Welcome to Crossfire!");
374
375	delete $pl->{deny_save};
376
377	last;
378	}
379	});
380	});
381
382	cf::register_command quit => sub {
383	my ($ob, $arg) = @_;
384
385	$ob->reply (undef,
386	"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
387	. "If you are sure you want to do this, then use the quit_character command instead of quit.",
388	cf::NDI_UNIQUE \| cf::NDI_RED);
389	};
390
391	cf::register_command quit_character => sub {
392	my ($ob, $arg) = @_;
393
394	my $pl = $ob->contr;
395
396	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
397	if ($_[0] !~ /^[yY]/) {
398	$ob->reply (undef,
399	"Ok, not not quitting then.",
400	cf::NDI_UNIQUE \| cf::NDI_RED);
401	} else {
402	$ob->reply (undef,
403	"Ok, quitting, hope to see you again.",
404	cf::NDI_UNIQUE \| cf::NDI_RED);
405	$pl->ns->flush;
406	cf::async { $pl->quit_character };
407	}
408	});
409	};
410
411	cf::object->attach (
412	type => cf::SAVEBED,
413	on_apply => sub {
414	my ($bed, $ob) = @_;
415
416	return cf::override 0 unless $ob->type == cf::PLAYER;
417
418	my $pl = $ob->contr;
419
420	# update respawn position
421	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
422	cf::async { $pl->save };
423
424	$pl->killer ("left");
425	$ob->check_score;
426
427	$ob->reply (undef, "In the future, you will wake up here when you die.");
428
429	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
430	if ($_[0] !~ /^[yY]/) {
431	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
432	$pl->deactivate;
433	$pl->ns->destroy;
434	} else {
435	cf::async { $pl->save };
436	}
437	});
438	},
439	);
440
441	cf::player->attach (
442	on_login => sub {
443	my ($pl) = @_;
444	my $name = $pl->ob->name;
445
446	$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
447	},
448	on_logout => sub {
449	my ($pl, $cleanly) = @_;
450	my $name = $pl->ob->name;
451
452	if ($cleanly) {
453	$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
454	} else {
455	$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
456	$pl->{unclean_save} = $cf::RUNTIME;
457	}
458	},
459	);
460
461	#############################################################################
462
463	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
464	our $SAVE_TIMEOUT = 20; # save players every n seconds
465
466	our $SCHEDULER = cf::async_ext {
467	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
468	while () {
469	$schedule_interval->next;
470
471	# this weird form of iteration over values is used because
472	# the hash changes underneath us frequently, and for
473	# keeps a direct reference to the value without (in 5.8 perls)
474	# keeping a reference, so this is prone to crashes or worse.
475	my @players = keys %cf::PLAYER;
476	for (@players) {
477	my $pl = $cf::PLAYER{$_}
478	or next;
479	$pl->valid or next;
480
481	eval {
482	if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
483	cf::wait_for_tick_begin;
484	$pl->save;
485
486	unless ($pl->active \|\| $pl->ns) {
487	# check refcounts, this is tricky and needs to be adjusted to fit server internals
488	my $ob = $pl->ob;
489
490	my $pl_ref = $pl->refcnt_cnt;
491	my $ob_ref = $ob->refcnt_cnt;
492
493	## pl_ref == $pl + ob->contr + %cf::PLAYER
494	## ob_ref == $ob + pl->observe + simply being an object
495	if ($pl_ref == 3 && $ob_ref == 3) {
496	warn "player-scheduler destroy ", $ob->name;#d#
497
498	# remove from sight and get fresh "copies"
499	$pl = delete $cf::PLAYER{$ob->name};
500	$ob = $pl->ob;
501
502	$pl->destroy; # destroys $ob
503	} else {
504	my $a_ = $pl->refcnt;#d#
505	my $b_ = $ob->refcnt;#d#
506
507	warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
508	}
509	}
510	}
511	};
512	warn $@ if $@;
513	Coro::cede;
514	};
515	}
516	};
517
518	$SCHEDULER->prio (1);
519