server/ext/00_map_handling.ext

#! perl

# why this is an extension is a good question. next question.

use Fcntl;

use Coro;
use Coro::AIO;

our $emergency_position = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];

our $DEACTIVATE_TIMEOUT =  60; # number of seconds after which maps get deactivated to save cpu
our $SWAP_TIMEOUT       = 600; # number of seconds after which maps inactive get swapped out
our $SCHEDULE_INTERVAL  =   8; # time the map scheduler sleeps between runs
our $SAVE_TIMEOUT       =  60; # save maps every n seconds
our $SAVE_INTERVAL      = 0.4; # save at max. one map every $SAVE_HOLD
our $MAX_RESET          = 7200;

$DEACTIVATE_TIMEOUT = 3;#d#
$SWAP_TIMEOUT = 5;#d#
$SCHEDULE_INTERVAL = 1;

our $SCHEDULER = cf::coro {
   Coro::Timer::sleep 3600;#d#TODO#for debugging only
   while () {
      Coro::Timer::sleep $SCHEDULE_INTERVAL;

      for my $map (values %cf::MAP) {
         eval {
            next if $map->in_memory != cf::MAP_IN_MEMORY;
            next if $map->players;
            my $last_access = $map->last_access;
            # not yet, because maps might become visible to players nearby
            # we need a tiled meta map for this to work
#         if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
#            $map->deactivate;
#            delete $map->{active};
#         }
            if ($map->should_reset) {
               $map->reset;
            } elsif ($last_access + $SWAP_TIMEOUT <= $cf::RUNTIME) {
               $map->swap_out;
               Coro::Timer::sleep $SAVE_INTERVAL;
            } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
               $map->save;
               Coro::Timer::sleep $SAVE_INTERVAL;
            }
         };
         warn $@ if $@;
         cede;
      }
   }
};
$SCHEDULER->prio (-2);

sub generate_random_map {
   my ($path, $rmp) = @_;

   # mit "rum" bekleckern, nicht
   cf::map::_create_random_map
      $path,
      $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
      $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
      $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
      $rmp->{exit_on_final_map},
      $rmp->{xsize}, $rmp->{ysize},
      $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
      $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
      $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
      $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
      $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
      (cf::region::find $rmp->{region})
}

sub parse_random_map_params {
   my ($spec) = @_;

   my $rmp = { # defaults
      xsize => 10,
      ysize => 10,
   };

   for (split /\n/, $spec) {
      my ($k, $v) = split /\s+/, $_, 2;

      $rmp->{lc $k} = $v if (length $k) && (length $v);
   }

   $rmp
}

sub prepare_random_map {
   my ($exit) = @_;

   # all this does is basically rpelace the /! path by
   # a new random map path (?random/...) with a seed
   # that depends on the exit object

   my $rmp = parse_random_map_params $exit->msg;

   if ($exit->map) {
      $rmp->{region}     = $exit->map->region_name;
      $rmp->{origin_map} = $exit->map->path;
      $rmp->{origin_x}   = $exit->x;
      $rmp->{origin_y}   = $exit->y;
   }

   $rmp->{random_seed} = $exit->random_seed;

   $exit->slaying ("?random/" . cf::to_json $rmp);
   $exit->msg (undef);
}

# and all this just because we cannot iterate over
# all maps in C++...
sub cf::map::change_all_map_light {
   my ($change) = @_;

   $_->change_map_light ($change) for values %cf::MAP;
}

sub try_load_header($) {
   my ($path) = @_;

   utf8::encode $path;
   aio_open $path, O_RDONLY, 0
      or return;

   my $map = cf::map::new
      or return;

   $map->load_header ($path)
     or return;

   $map->reset_time (0) if $map->reset_time > $cf::RUNTIME;
   $map->reset_timeout (10);#d#

   $map->{load_path} = $path;

   $map
}

sub cf::map::find_map {
   my ($path, $origin) = @_;

   warn "find_map<$path,$origin>\n";#d#

   $path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
   my $key = $path->as_string;

   $cf::MAP{$key} || do {
      # do it the slow way
      my $map = try_load_header $path->save_path;

      if (!$map) {
         if (my $rmp = $path->random_map_params) {
            $map = generate_random_map $key, $rmp;
         } else {
            $map = try_load_header $path->load_path;
         }

         $map or return;

         $map->{reset_time} = $cf::RUNTIME + $map->reset_timeout;
         $map->instantiate;

         # per-player maps become, after loading, normal maps
         $map->per_player (0) if $path->{user_rel};
      }

      $map->path ($key);
      $map->{path} = $path;

      $map->reset if $map->should_reset;

      $cf::MAP{$key} = $map
   }
}

sub cf::map::load {
   my ($self) = @_;

   return if $self->in_memory != cf::MAP_SWAPPED;

   $self->in_memory (cf::MAP_LOADING);

   my $path = $self->{path};

   $self->alloc;
   $self->load_objects ($self->{load_path}, 1)
      or return;

   if (my $uniq = $path->uniq_path) {
      utf8::encode $uniq;
      if (aio_open $uniq, O_RDONLY, 0) {
         $self->clear_unique_items;
         $self->load_objects ($uniq, 0);
      }
   }

   # now do the right thing for maps
   $self->link_multipart_objects;

   unless ($self->{path}->is_style_map) {
      $self->fix_auto_apply;
      $self->decay_objects;
      $self->update_buttons;
      $self->set_darkness_map;
      $self->difficulty ($self->estimate_difficulty)
         unless $self->difficulty;
      $self->activate;
   }

   $self->in_memory (cf::MAP_IN_MEMORY);
}

sub cf::map::load_map_sync {
   my ($path, $origin) = @_;

   warn "load_map_sync<$path, $origin>\n";#d#

   cf::abort if $path =~ /CVS/;#d#

   cf::sync_job {
      my $map = cf::map::find_map $path, $origin
         or return;
      $map->load;
      $map
   }
}

sub cf::map::save {
   my ($self) = @_;

   my $save = $self->{path}->save_path; utf8::encode $save;
   my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;

   $self->{last_save} = $cf::RUNTIME;

   return unless $self->dirty;

   $self->{load_path} = $save;

   return if $self->{path}->is_style_map;

   warn "saving map ", $self->path;

   if ($uniq) {
      $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
      $self->save_objects ($uniq, cf::IO_UNIQUES);
   } else {
      $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
   }
}

sub cf::map::swap_out {
   my ($self) = @_;

   return if $self->players;
   return if $self->in_memory != cf::MAP_IN_MEMORY;

   $self->save;
   $self->clear;
   $self->in_memory (cf::MAP_SWAPPED);
}

sub cf::map::should_reset {
   my ($map) = @_;

   return;#d#
   # TODO: safety, remove and allow resettable per-player maps
   return if $map->{path}{user_rel};#d#
   return unless $map->reset_timeout;

   my $time = $map->fixed_resettime ? $map->{reset_time} : $map->last_access;

   $time + $map->reset_timeout < $cf::RUNTIME
}

sub cf::map::reset {
   my ($self) = @_;

   return if $self->players;
   return if $self->{path}{user_rel};#d#

   warn "resetting map ", $self->path;#d#
   return;#d#

   utf8::encode (my $save = $self->{path}->save_path);
   aioreq_pri 3; IO::AIO::aio_unlink $save;
   aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";

   $self->clear;
   $self->in_memory (cf::MAP_SWAPPED);
   utf8::encode ($self->{load_path} = $self->{path}->load_path);
}

sub cf::object::player::enter_exit {
   my ($ob, $exit) = @_;

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

   my ($oldmap, $oldx, $oldy) = ($ob->map, $ob->x, $ob->y);

   $ob->enter_map ($LINK_MAP, 20, 20);
   $ob->deactivate_recursive;

   (Coro::async {
      my ($map, $x, $y);
      unless (eval {

         prepare_random_map $exit
            if $exit->slaying eq "/!";

         my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;

         $map = cf::map::find_map $path->as_string;
         $map = $map->customise_for ($ob) if $map;
         ($x, $y) = ($exit->stats->hp, $exit->stats->sp);

         unless ($map) {
            $ob->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);

            # restore original map position
            ($map, $x, $y) = ($oldmap, $oldx, $oldy);

            unless ($map) {
               $map = cf::map::find_map $emergency_position->[0]
                  or die "FATAL: cannot load emergency map\n";
               $x = $emergency_position->[1];
               $y = $emergency_position->[2];
            }
         }

         # use -1, -1 as default coordinates, not 0, 0
         ($x, $y) = ($map->enter_x, $map->enter_y)
            if $x <=0 && $y <= 0;

         warn "entering ", $map->path, " at ($x, $y)\n";#d#
         $map->load;
         1;
      }) {
         ($map, $x, $y) = ($oldmap, $oldx, $oldy);

         $ob->message ("Something went wrong within the server. "
                     . "I'll try to bring you back to the map you were before. "
                     . "Please report this to the dungeon master",
                       cf::NDI_UNIQUE | cf::NDI_RED);

         warn "ERROR in enter_exit: $@";
      }
      $ob->activate_recursive;
      $ob->enter_map ($map, $x, $y);
   })->prio (1);
}

sub cf::map::customise_for {
   my ($map, $ob) = @_;

   if ($map->per_player) {
      return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
   }

   $map
}

sub cf::map::emergency_save {
   local $cf::FREEZE = 1;

   warn "enter emergency map save\n";

   cf::sync_job {
      warn "begin emergency map save\n";
      $_->save for values %cf::MAP;
   };

   warn "end emergency map save\n";
}

Revision:	1.11
Committed:	Sun Dec 31 21:02:04 2006 UTC (17 years, 4 months ago) by root
Branch:	MAIN
Changes since 1.10:	+3 -153 lines
Log Message:	more use of shstr where it makes sense naturally
#	User	Rev	Content
1	root	1.1	#! perl
2
3			# why this is an extension is a good question. next question.
4
5			use Fcntl;
6
7			use Coro;
8			use Coro::AIO;
9
10			our $emergency_position = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
11
12			our $DEACTIVATE_TIMEOUT = 60; # number of seconds after which maps get deactivated to save cpu
13			our $SWAP_TIMEOUT = 600; # number of seconds after which maps inactive get swapped out
14			our $SCHEDULE_INTERVAL = 8; # time the map scheduler sleeps between runs
15			our $SAVE_TIMEOUT = 60; # save maps every n seconds
16			our $SAVE_INTERVAL = 0.4; # save at max. one map every $SAVE_HOLD
17			our $MAX_RESET = 7200;
18
19			$DEACTIVATE_TIMEOUT = 3;#d#
20			$SWAP_TIMEOUT = 5;#d#
21			$SCHEDULE_INTERVAL = 1;
22
23			our $SCHEDULER = cf::coro {
24	root	1.8	Coro::Timer::sleep 3600;#d#TODO#for debugging only
25	root	1.1	while () {
26			Coro::Timer::sleep $SCHEDULE_INTERVAL;
27
28			for my $map (values %cf::MAP) {
29			eval {
30			next if $map->in_memory != cf::MAP_IN_MEMORY;
31	root	1.6	next if $map->players;
32	root	1.1	my $last_access = $map->last_access;
33			# not yet, because maps might become visible to players nearby
34			# we need a tiled meta map for this to work
35			# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
36			# $map->deactivate;
37			# delete $map->{active};
38			# }
39			if ($map->should_reset) {
40			$map->reset;
41			} elsif ($last_access + $SWAP_TIMEOUT <= $cf::RUNTIME) {
42			$map->swap_out;
43			Coro::Timer::sleep $SAVE_INTERVAL;
44			} elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
45			$map->save;
46			Coro::Timer::sleep $SAVE_INTERVAL;
47			}
48			};
49			warn $@ if $@;
50			cede;
51			}
52			}
53			};
54			$SCHEDULER->prio (-2);
55
56	root	1.8	sub generate_random_map {
57			my ($path, $rmp) = @_;
58
59	root	1.11	# mit "rum" bekleckern, nicht
60	root	1.8	cf::map::_create_random_map
61			$path,
62			$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
63			$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
64			$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
65			$rmp->{exit_on_final_map},
66			$rmp->{xsize}, $rmp->{ysize},
67			$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
68			$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
69			$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
70			$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
71			$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
72	root	1.11	(cf::region::find $rmp->{region})
73	root	1.8	}
74
75			sub parse_random_map_params {
76			my ($spec) = @_;
77
78	root	1.9	my $rmp = { # defaults
79			xsize => 10,
80			ysize => 10,
81			};
82	root	1.8
83			for (split /\n/, $spec) {
84			my ($k, $v) = split /\s+/, $_, 2;
85
86			$rmp->{lc $k} = $v if (length $k) && (length $v);
87			}
88
89			$rmp
90			}
91
92			sub prepare_random_map {
93			my ($exit) = @_;
94
95	root	1.9	# all this does is basically rpelace the /! path by
96			# a new random map path (?random/...) with a seed
97			# that depends on the exit object
98
99	root	1.8	my $rmp = parse_random_map_params $exit->msg;
100
101	root	1.9	if ($exit->map) {
102	root	1.11	$rmp->{region} = $exit->map->region_name;
103	root	1.9	$rmp->{origin_map} = $exit->map->path;
104			$rmp->{origin_x} = $exit->x;
105			$rmp->{origin_y} = $exit->y;
106			}
107	root	1.1
108	root	1.9	$rmp->{random_seed} = $exit->random_seed;
109	root	1.1
110	root	1.9	$exit->slaying ("?random/" . cf::to_json $rmp);
111			$exit->msg (undef);
112	root	1.1	}
113
114			# and all this just because we cannot iterate over
115			# all maps in C++...
116			sub cf::map::change_all_map_light {
117			my ($change) = @_;
118
119			$_->change_map_light ($change) for values %cf::MAP;
120			}
121
122			sub try_load_header($) {
123			my ($path) = @_;
124
125			utf8::encode $path;
126			aio_open $path, O_RDONLY, 0
127			or return;
128
129			my $map = cf::map::new
130			or return;
131
132			$map->load_header ($path)
133			or return;
134
135			$map->reset_time (0) if $map->reset_time > $cf::RUNTIME;
136			$map->reset_timeout (10);#d#
137
138			$map->{load_path} = $path;
139
140			$map
141			}
142
143	root	1.8	sub cf::map::find_map {
144	root	1.1	my ($path, $origin) = @_;
145
146	root	1.8	warn "find_map<$path,$origin>\n";#d#
147	root	1.3
148	root	1.1	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
149			my $key = $path->as_string;
150
151			$cf::MAP{$key} \|\| do {
152			# do it the slow way
153			my $map = try_load_header $path->save_path;
154
155			if (!$map) {
156	root	1.9	if (my $rmp = $path->random_map_params) {
157			$map = generate_random_map $key, $rmp;
158			} else {
159			$map = try_load_header $path->load_path;
160			}
161
162			$map or return;
163	root	1.8
164	root	1.9	$map->{reset_time} = $cf::RUNTIME + $map->reset_timeout;
165	root	1.8	$map->instantiate;
166
167			# per-player maps become, after loading, normal maps
168			$map->per_player (0) if $path->{user_rel};
169	root	1.1	}
170
171			$map->path ($key);
172			$map->{path} = $path;
173
174			$map->reset if $map->should_reset;
175
176			$cf::MAP{$key} = $map
177			}
178			}
179
180	root	1.8	sub cf::map::load {
181	root	1.1	my ($self) = @_;
182
183	root	1.8	return if $self->in_memory != cf::MAP_SWAPPED;
184	root	1.1
185			$self->in_memory (cf::MAP_LOADING);
186
187			my $path = $self->{path};
188
189			$self->alloc;
190			$self->load_objects ($self->{load_path}, 1)
191			or return;
192
193			if (my $uniq = $path->uniq_path) {
194			utf8::encode $uniq;
195			if (aio_open $uniq, O_RDONLY, 0) {
196			$self->clear_unique_items;
197			$self->load_objects ($uniq, 0);
198			}
199			}
200
201			# now do the right thing for maps
202			$self->link_multipart_objects;
203	root	1.10
204			unless ($self->{path}->is_style_map) {
205			$self->fix_auto_apply;
206			$self->decay_objects;
207			$self->update_buttons;
208			$self->set_darkness_map;
209			$self->difficulty ($self->estimate_difficulty)
210			unless $self->difficulty;
211			$self->activate;
212			}
213	root	1.1
214			$self->in_memory (cf::MAP_IN_MEMORY);
215			}
216
217	root	1.8	sub cf::map::load_map_sync {
218			my ($path, $origin) = @_;
219	root	1.1
220	root	1.8	warn "load_map_sync<$path, $origin>\n";#d#
221	root	1.1
222	root	1.9	cf::abort if $path =~ /CVS/;#d#
223
224			cf::sync_job {
225	root	1.8	my $map = cf::map::find_map $path, $origin
226			or return;
227			$map->load;
228			$map
229			}
230	root	1.1	}
231
232			sub cf::map::save {
233			my ($self) = @_;
234
235			my $save = $self->{path}->save_path; utf8::encode $save;
236			my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
237
238	root	1.9	$self->{last_save} = $cf::RUNTIME;
239
240			return unless $self->dirty;
241
242			$self->{load_path} = $save;
243
244	root	1.10	return if $self->{path}->is_style_map;
245	root	1.9
246			warn "saving map ", $self->path;
247
248	root	1.1	if ($uniq) {
249			$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
250			$self->save_objects ($uniq, cf::IO_UNIQUES);
251			} else {
252			$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
253			}
254			}
255
256	root	1.2	sub cf::map::swap_out {
257			my ($self) = @_;
258
259	root	1.6	return if $self->players;
260	root	1.8	return if $self->in_memory != cf::MAP_IN_MEMORY;
261	root	1.6
262	root	1.8	$self->save;
263	root	1.2	$self->clear;
264			$self->in_memory (cf::MAP_SWAPPED);
265			}
266
267	root	1.1	sub cf::map::should_reset {
268			my ($map) = @_;
269
270	root	1.9	return;#d#
271	root	1.1	# TODO: safety, remove and allow resettable per-player maps
272			return if $map->{path}{user_rel};#d#
273			return unless $map->reset_timeout;
274
275	root	1.9	my $time = $map->fixed_resettime ? $map->{reset_time} : $map->last_access;
276	root	1.1
277			$time + $map->reset_timeout < $cf::RUNTIME
278			}
279
280			sub cf::map::reset {
281			my ($self) = @_;
282
283			return if $self->players;
284	root	1.3	return if $self->{path}{user_rel};#d#
285	root	1.1
286			warn "resetting map ", $self->path;#d#
287	root	1.9	return;#d#
288	root	1.3
289			utf8::encode (my $save = $self->{path}->save_path);
290			aioreq_pri 3; IO::AIO::aio_unlink $save;
291			aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
292	root	1.1
293			$self->clear;
294			$self->in_memory (cf::MAP_SWAPPED);
295	root	1.3	utf8::encode ($self->{load_path} = $self->{path}->load_path);
296	root	1.1	}
297
298			sub cf::object::player::enter_exit {
299			my ($ob, $exit) = @_;
300
301	root	1.6	return unless $ob->type == cf::PLAYER;
302
303			my ($oldmap, $oldx, $oldy) = ($ob->map, $ob->x, $ob->y);
304
305	root	1.9	$ob->enter_map ($LINK_MAP, 20, 20);
306			$ob->deactivate_recursive;
307
308			(Coro::async {
309	root	1.3	my ($map, $x, $y);
310	root	1.9	unless (eval {
311	root	1.1
312	root	1.9	prepare_random_map $exit
313			if $exit->slaying eq "/!";
314	root	1.1
315	root	1.9	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
316	root	1.8
317	root	1.9	$map = cf::map::find_map $path->as_string;
318			$map = $map->customise_for ($ob) if $map;
319			($x, $y) = ($exit->stats->hp, $exit->stats->sp);
320	root	1.8
321	root	1.9	unless ($map) {
322			$ob->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
323	root	1.7
324	root	1.9	# restore original map position
325			($map, $x, $y) = ($oldmap, $oldx, $oldy);
326	root	1.7
327	root	1.9	unless ($map) {
328			$map = cf::map::find_map $emergency_position->[0]
329			or die "FATAL: cannot load emergency map\n";
330			$x = $emergency_position->[1];
331			$y = $emergency_position->[2];
332			}
333	root	1.7	}
334	root	1.1
335	root	1.9	# use -1, -1 as default coordinates, not 0, 0
336			($x, $y) = ($map->enter_x, $map->enter_y)
337			if $x <=0 && $y <= 0;
338
339			warn "entering ", $map->path, " at ($x, $y)\n";#d#
340			$map->load;
341			1;
342			}) {
343			($map, $x, $y) = ($oldmap, $oldx, $oldy);
344
345			$ob->message ("Something went wrong within the server. "
346			. "I'll try to bring you back to the map you were before. "
347			. "Please report this to the dungeon master",
348			cf::NDI_UNIQUE \| cf::NDI_RED);
349	root	1.7
350	root	1.9	warn "ERROR in enter_exit: $@";
351			}
352			$ob->activate_recursive;
353	root	1.6	$ob->enter_map ($map, $x, $y);
354	root	1.9	})->prio (1);
355	root	1.1	}
356
357			sub cf::map::customise_for {
358			my ($map, $ob) = @_;
359
360			if ($map->per_player) {
361	root	1.8	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
362	root	1.1	}
363
364			$map
365			}
366
367			sub cf::map::emergency_save {
368			local $cf::FREEZE = 1;
369
370	root	1.4	warn "enter emergency map save\n";
371
372	root	1.9	cf::sync_job {
373	root	1.4	warn "begin emergency map save\n";
374			$_->save for values %cf::MAP;
375			};
376
377	root	1.1	warn "end emergency map save\n";
378			}
379