… | |
… | |
179 | =cut |
179 | =cut |
180 | |
180 | |
181 | sub to_json($) { |
181 | sub to_json($) { |
182 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
182 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
183 | JSON::Syck::Dump $_[0] |
183 | JSON::Syck::Dump $_[0] |
|
|
184 | } |
|
|
185 | |
|
|
186 | =item my $guard = cf::guard { BLOCK } |
|
|
187 | |
|
|
188 | Run the given callback when the guard object gets destroyed (useful for |
|
|
189 | coroutine cancellations). |
|
|
190 | |
|
|
191 | You can call C<< ->cancel >> on the guard object to stop the block from |
|
|
192 | being executed. |
|
|
193 | |
|
|
194 | =cut |
|
|
195 | |
|
|
196 | sub guard(&) { |
|
|
197 | bless \(my $cb = $_[0]), cf::guard::; |
|
|
198 | } |
|
|
199 | |
|
|
200 | sub cf::guard::cancel { |
|
|
201 | ${$_[0]} = sub { }; |
|
|
202 | } |
|
|
203 | |
|
|
204 | sub cf::guard::DESTROY { |
|
|
205 | ${$_[0]}->(); |
|
|
206 | } |
|
|
207 | |
|
|
208 | =item cf::lock_wait $string |
|
|
209 | |
|
|
210 | Wait until the given lock is available. See cf::lock_acquire. |
|
|
211 | |
|
|
212 | =item my $lock = cf::lock_acquire $string |
|
|
213 | |
|
|
214 | Wait until the given lock is available and then acquires it and returns |
|
|
215 | a guard object. If the guard object gets destroyed (goes out of scope, |
|
|
216 | for example when the coroutine gets canceled), the lock is automatically |
|
|
217 | returned. |
|
|
218 | |
|
|
219 | Lock names should begin with a unique identifier (for example, find_map |
|
|
220 | uses map_find and load_map uses map_load). |
|
|
221 | |
|
|
222 | =cut |
|
|
223 | |
|
|
224 | our %LOCK; |
|
|
225 | |
|
|
226 | sub lock_wait($) { |
|
|
227 | my ($key) = @_; |
|
|
228 | |
|
|
229 | # wait for lock, if any |
|
|
230 | while ($LOCK{$key}) { |
|
|
231 | push @{ $LOCK{$key} }, $Coro::current; |
|
|
232 | Coro::schedule; |
|
|
233 | } |
|
|
234 | } |
|
|
235 | |
|
|
236 | sub lock_acquire($) { |
|
|
237 | my ($key) = @_; |
|
|
238 | |
|
|
239 | # wait, to be sure we are not locked |
|
|
240 | lock_wait $key; |
|
|
241 | |
|
|
242 | $LOCK{$key} = []; |
|
|
243 | |
|
|
244 | cf::guard { |
|
|
245 | # wake up all waiters, to be on the safe side |
|
|
246 | $_->ready for @{ delete $LOCK{$key} }; |
|
|
247 | } |
184 | } |
248 | } |
185 | |
249 | |
186 | =item cf::sync_job { BLOCK } |
250 | =item cf::sync_job { BLOCK } |
187 | |
251 | |
188 | The design of crossfire+ requires that the main coro ($Coro::main) is |
252 | The design of crossfire+ requires that the main coro ($Coro::main) is |
… | |
… | |
817 | (aio_load "$filename.pst", $av) >= 0 |
881 | (aio_load "$filename.pst", $av) >= 0 |
818 | or return; |
882 | or return; |
819 | $av = eval { (Storable::thaw $av)->{objs} }; |
883 | $av = eval { (Storable::thaw $av)->{objs} }; |
820 | } |
884 | } |
821 | |
885 | |
|
|
886 | warn sprintf "loading %s (%d)\n", |
|
|
887 | $filename, length $data, scalar @{$av || []};#d# |
822 | return ($data, $av); |
888 | return ($data, $av); |
823 | } |
889 | } |
824 | |
890 | |
825 | ############################################################################# |
891 | ############################################################################# |
826 | # command handling &c |
892 | # command handling &c |
… | |
… | |
1087 | # and all this just because we cannot iterate over |
1153 | # and all this just because we cannot iterate over |
1088 | # all maps in C++... |
1154 | # all maps in C++... |
1089 | sub change_all_map_light { |
1155 | sub change_all_map_light { |
1090 | my ($change) = @_; |
1156 | my ($change) = @_; |
1091 | |
1157 | |
1092 | $_->change_map_light ($change) for values %cf::MAP; |
1158 | $_->change_map_light ($change) |
|
|
1159 | for grep $_->outdoor, values %cf::MAP; |
1093 | } |
1160 | } |
1094 | |
1161 | |
1095 | sub try_load_header($) { |
1162 | sub try_load_header($) { |
1096 | my ($path) = @_; |
1163 | my ($path) = @_; |
1097 | |
1164 | |
… | |
… | |
1108 | $map->{load_path} = $path; |
1175 | $map->{load_path} = $path; |
1109 | |
1176 | |
1110 | $map |
1177 | $map |
1111 | } |
1178 | } |
1112 | |
1179 | |
|
|
1180 | sub find_map; |
1113 | sub find_map { |
1181 | sub find_map { |
1114 | my ($path, $origin) = @_; |
1182 | my ($path, $origin) = @_; |
1115 | |
1183 | |
1116 | #warn "find_map<$path,$origin>\n";#d# |
1184 | #warn "find_map<$path,$origin>\n";#d# |
1117 | |
1185 | |
1118 | $path = new cf::path $path, $origin && $origin->path; |
1186 | $path = new cf::path $path, $origin && $origin->path; |
1119 | my $key = $path->as_string; |
1187 | my $key = $path->as_string; |
1120 | |
1188 | |
|
|
1189 | cf::lock_wait "map_find:$key"; |
|
|
1190 | |
1121 | $cf::MAP{$key} || do { |
1191 | $cf::MAP{$key} || do { |
|
|
1192 | my $guard = cf::lock_acquire "map_find:$key"; |
|
|
1193 | |
1122 | # do it the slow way |
1194 | # do it the slow way |
1123 | my $map = try_load_header $path->save_path; |
1195 | my $map = try_load_header $path->save_path; |
1124 | |
1196 | |
1125 | if ($map) { |
1197 | if ($map) { |
1126 | # safety |
1198 | # safety |
… | |
… | |
1148 | $map->{last_save} = $cf::RUNTIME; |
1220 | $map->{last_save} = $cf::RUNTIME; |
1149 | $map->last_access ($cf::RUNTIME); |
1221 | $map->last_access ($cf::RUNTIME); |
1150 | |
1222 | |
1151 | if ($map->should_reset) { |
1223 | if ($map->should_reset) { |
1152 | $map->reset; |
1224 | $map->reset; |
|
|
1225 | undef $guard; |
1153 | $map = find_map $path; |
1226 | $map = find_map $path |
|
|
1227 | or return; |
1154 | } |
1228 | } |
1155 | |
1229 | |
1156 | $cf::MAP{$key} = $map |
1230 | $cf::MAP{$key} = $map |
1157 | } |
1231 | } |
1158 | } |
1232 | } |
1159 | |
1233 | |
1160 | sub load { |
1234 | sub load { |
1161 | my ($self) = @_; |
1235 | my ($self) = @_; |
1162 | |
1236 | |
|
|
1237 | my $path = $self->{path}; |
|
|
1238 | my $guard = cf::lock_acquire "map_load:" . $path->as_string; |
|
|
1239 | |
1163 | return if $self->in_memory != cf::MAP_SWAPPED; |
1240 | return if $self->in_memory != cf::MAP_SWAPPED; |
1164 | |
1241 | |
1165 | $self->in_memory (cf::MAP_LOADING); |
1242 | $self->in_memory (cf::MAP_LOADING); |
1166 | |
|
|
1167 | my $path = $self->{path}; |
|
|
1168 | |
1243 | |
1169 | $self->alloc; |
1244 | $self->alloc; |
1170 | $self->load_objects ($self->{load_path}, 1) |
1245 | $self->load_objects ($self->{load_path}, 1) |
1171 | or return; |
1246 | or return; |
1172 | |
1247 | |
… | |
… | |
1405 | =cut |
1480 | =cut |
1406 | |
1481 | |
1407 | sub cf::object::player::enter_link { |
1482 | sub cf::object::player::enter_link { |
1408 | my ($self) = @_; |
1483 | my ($self) = @_; |
1409 | |
1484 | |
|
|
1485 | $self->deactivate_recursive; |
|
|
1486 | |
1410 | return if $self->map == $LINK_MAP; |
1487 | return if $self->map == $LINK_MAP; |
1411 | |
1488 | |
1412 | $self->{_link_pos} = [$self->map->{path}, $self->x, $self->y] |
1489 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1413 | if $self->map; |
1490 | if $self->map; |
1414 | |
1491 | |
1415 | $self->enter_map ($LINK_MAP, 20, 20); |
1492 | $self->enter_map ($LINK_MAP, 20, 20); |
1416 | $self->deactivate_recursive; |
|
|
1417 | } |
1493 | } |
1418 | |
1494 | |
1419 | sub cf::object::player::leave_link { |
1495 | sub cf::object::player::leave_link { |
1420 | my ($self, $map, $x, $y) = @_; |
1496 | my ($self, $map, $x, $y) = @_; |
1421 | |
1497 | |
… | |
… | |
1444 | |
1520 | |
1445 | $self->activate_recursive; |
1521 | $self->activate_recursive; |
1446 | $self->enter_map ($map, $x, $y); |
1522 | $self->enter_map ($map, $x, $y); |
1447 | } |
1523 | } |
1448 | |
1524 | |
|
|
1525 | cf::player->attach ( |
|
|
1526 | on_logout => sub { |
|
|
1527 | my ($pl) = @_; |
|
|
1528 | |
|
|
1529 | # abort map switching before logout |
|
|
1530 | if ($pl->ob->{_link_pos}) { |
|
|
1531 | cf::sync_job { |
|
|
1532 | $pl->ob->leave_link |
|
|
1533 | }; |
|
|
1534 | } |
|
|
1535 | }, |
|
|
1536 | on_login => sub { |
|
|
1537 | my ($pl) = @_; |
|
|
1538 | |
|
|
1539 | # try to abort aborted map switching on player login :) |
|
|
1540 | # should happen only on crashes |
|
|
1541 | if ($pl->ob->{_link_pos}) { |
|
|
1542 | $pl->ob->enter_link; |
|
|
1543 | Coro::async { |
|
|
1544 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1545 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1546 | Coro::Timer::sleep 1; |
|
|
1547 | $pl->ob->leave_link; |
|
|
1548 | }; |
|
|
1549 | } |
|
|
1550 | }, |
|
|
1551 | ); |
|
|
1552 | |
1449 | =item $player_object->goto_map ($map, $x, $y) |
1553 | =item $player_object->goto_map ($path, $x, $y) |
1450 | |
1554 | |
1451 | =cut |
1555 | =cut |
1452 | |
1556 | |
1453 | sub cf::object::player::goto_map { |
1557 | sub cf::object::player::goto_map { |
1454 | my ($self, $path, $x, $y) = @_; |
1558 | my ($self, $path, $x, $y) = @_; |
… | |
… | |
1459 | $path = new cf::path $path; |
1563 | $path = new cf::path $path; |
1460 | |
1564 | |
1461 | my $map = cf::map::find_map $path->as_string; |
1565 | my $map = cf::map::find_map $path->as_string; |
1462 | $map = $map->customise_for ($self) if $map; |
1566 | $map = $map->customise_for ($self) if $map; |
1463 | |
1567 | |
1464 | warn "entering ", $map->path, " at ($x, $y)\n" |
1568 | # warn "entering ", $map->path, " at ($x, $y)\n" |
1465 | if $map; |
1569 | # if $map; |
1466 | |
1570 | |
1467 | $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1571 | $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1468 | |
1572 | |
1469 | $self->leave_link ($map, $x, $y); |
1573 | $self->leave_link ($map, $x, $y); |
1470 | })->prio (1); |
1574 | })->prio (1); |
… | |
… | |
1813 | |
1917 | |
1814 | { |
1918 | { |
1815 | my $path = cf::localdir . "/database.pst"; |
1919 | my $path = cf::localdir . "/database.pst"; |
1816 | |
1920 | |
1817 | sub db_load() { |
1921 | sub db_load() { |
1818 | warn "loading database $path\n";#d# remove later |
|
|
1819 | $DB = stat $path ? Storable::retrieve $path : { }; |
1922 | $DB = stat $path ? Storable::retrieve $path : { }; |
1820 | } |
1923 | } |
1821 | |
1924 | |
1822 | my $pid; |
1925 | my $pid; |
1823 | |
1926 | |
1824 | sub db_save() { |
1927 | sub db_save() { |
1825 | warn "saving database $path\n";#d# remove later |
|
|
1826 | waitpid $pid, 0 if $pid; |
1928 | waitpid $pid, 0 if $pid; |
1827 | if (0 == ($pid = fork)) { |
1929 | if (0 == ($pid = fork)) { |
1828 | $DB->{_meta}{version} = 1; |
1930 | $DB->{_meta}{version} = 1; |
1829 | Storable::nstore $DB, "$path~"; |
1931 | Storable::nstore $DB, "$path~"; |
1830 | rename "$path~", $path; |
1932 | rename "$path~", $path; |
… | |
… | |
2090 | or warn "ERROR: unable to write runtime file: $!"; |
2192 | or warn "ERROR: unable to write runtime file: $!"; |
2091 | })->(); |
2193 | })->(); |
2092 | }, |
2194 | }, |
2093 | ); |
2195 | ); |
2094 | |
2196 | |
|
|
2197 | END { cf::emergency_save } |
|
|
2198 | |
2095 | 1 |
2199 | 1 |
2096 | |
2200 | |