1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
2 | |
5 | |
3 | use Symbol; |
6 | use Symbol; |
4 | use List::Util; |
7 | use List::Util; |
5 | use Storable; |
8 | use Storable; |
6 | use Opcode; |
9 | use Opcode; |
7 | use Safe; |
10 | use Safe; |
8 | use Safe::Hole; |
11 | use Safe::Hole; |
9 | |
12 | |
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13 | use Coro; |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | |
10 | use IO::AIO (); |
19 | use IO::AIO; |
11 | use YAML::Syck (); |
20 | use YAML::Syck (); |
12 | use Time::HiRes; |
21 | use Time::HiRes; |
13 | use Event; |
22 | |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
23 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
15 | |
24 | |
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
25 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
17 | $YAML::Syck::ImplicitUnicode = 1; |
26 | $YAML::Syck::ImplicitUnicode = 1; |
18 | |
27 | |
19 | use strict; |
28 | $Coro::main->prio (Coro::PRIO_MIN); |
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29 | |
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30 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
20 | |
31 | |
21 | our %COMMAND = (); |
32 | our %COMMAND = (); |
22 | our %COMMAND_TIME = (); |
33 | our %COMMAND_TIME = (); |
23 | our %EXTCMD = (); |
34 | our %EXTCMD = (); |
24 | |
35 | |
25 | _init_vars; |
36 | _init_vars; |
26 | |
37 | |
27 | our @EVENT; |
38 | our @EVENT; |
28 | our $LIBDIR = maps_directory "perl"; |
39 | our $LIBDIR = datadir . "/ext"; |
29 | |
40 | |
30 | our $TICK = MAX_TIME * 1e-6; |
41 | our $TICK = MAX_TIME * 1e-6; |
31 | our $TICK_WATCHER; |
42 | our $TICK_WATCHER; |
32 | our $NEXT_TICK; |
43 | our $NEXT_TICK; |
33 | |
44 | |
… | |
… | |
72 | print STDERR "cfperl: $msg"; |
83 | print STDERR "cfperl: $msg"; |
73 | LOG llevError, "cfperl: $msg"; |
84 | LOG llevError, "cfperl: $msg"; |
74 | }; |
85 | }; |
75 | } |
86 | } |
76 | |
87 | |
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88 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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89 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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90 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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91 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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92 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
77 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
93 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
78 | |
94 | |
79 | # we bless all objects into (empty) derived classes to force a method lookup |
95 | # we bless all objects into (empty) derived classes to force a method lookup |
80 | # within the Safe compartment. |
96 | # within the Safe compartment. |
81 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
97 | for my $pkg (qw( |
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98 | cf::global |
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99 | cf::object cf::object::player |
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100 | cf::client cf::player |
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101 | cf::arch cf::living |
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102 | cf::map cf::party cf::region |
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103 | )) { |
82 | no strict 'refs'; |
104 | no strict 'refs'; |
83 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
105 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
84 | } |
106 | } |
85 | |
107 | |
86 | $Event::DIED = sub { |
108 | $Event::DIED = sub { |
… | |
… | |
125 | |
147 | |
126 | =cut |
148 | =cut |
127 | |
149 | |
128 | ############################################################################# |
150 | ############################################################################# |
129 | |
151 | |
130 | =head2 EVENTS AND OBJECT ATTACHMENTS |
152 | =head2 ATTACHABLE OBJECTS |
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153 | |
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154 | Many objects in crossfire are so-called attachable objects. That means you can |
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155 | attach callbacks/event handlers (a collection of which is called an "attachment") |
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156 | to it. All such attachable objects support the following methods. |
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157 | |
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158 | In the following description, CLASS can be any of C<global>, C<object> |
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159 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
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160 | crossfire+). |
131 | |
161 | |
132 | =over 4 |
162 | =over 4 |
133 | |
163 | |
134 | =item $object->attach ($attachment, key => $value...) |
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135 | |
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136 | =item $object->detach ($attachment) |
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137 | |
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138 | Attach/detach a pre-registered attachment to an object. |
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139 | |
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140 | =item $player->attach ($attachment, key => $value...) |
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141 | |
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142 | =item $player->detach ($attachment) |
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143 | |
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144 | Attach/detach a pre-registered attachment to a player. |
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145 | |
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146 | =item $map->attach ($attachment, key => $value...) |
164 | =item $attachable->attach ($attachment, key => $value...) |
147 | |
165 | |
148 | =item $map->detach ($attachment) |
166 | =item $attachable->detach ($attachment) |
149 | |
167 | |
150 | Attach/detach a pre-registered attachment to a map. |
168 | Attach/detach a pre-registered attachment to a specific object and give it |
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169 | the specified key/value pairs as arguments. |
151 | |
170 | |
152 | =item $bool = $object->attached ($name) |
171 | Example, attach a minesweeper attachment to the given object, making it a |
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172 | 10x10 minesweeper game: |
153 | |
173 | |
154 | =item $bool = $player->attached ($name) |
174 | $obj->attach (minesweeper => width => 10, height => 10); |
155 | |
175 | |
156 | =item $bool = $map->attached ($name) |
176 | =item $bool = $attachable->attached ($name) |
157 | |
177 | |
158 | Checks wether the named attachment is currently attached to the object. |
178 | Checks wether the named attachment is currently attached to the object. |
159 | |
179 | |
160 | =item cf::attach_global ... |
180 | =item cf::CLASS->attach ... |
161 | |
181 | |
162 | Attach handlers for global events. |
182 | =item cf::CLASS->detach ... |
163 | |
183 | |
164 | This and all following C<attach_*>-functions expect any number of the |
184 | Define an anonymous attachment and attach it to all objects of the given |
165 | following handler/hook descriptions: |
185 | CLASS. See the next function for an explanation of its arguments. |
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186 | |
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187 | You can attach to global events by using the C<cf::global> class. |
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188 | |
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189 | Example, log all player logins: |
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190 | |
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191 | cf::player->attach ( |
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192 | on_login => sub { |
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193 | my ($pl) = @_; |
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194 | ... |
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195 | }, |
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196 | ); |
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197 | |
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198 | Example, attach to the jeweler skill: |
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199 | |
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200 | cf::object->attach ( |
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201 | type => cf::SKILL, |
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202 | subtype => cf::SK_JEWELER, |
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203 | on_use_skill => sub { |
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204 | my ($sk, $ob, $part, $dir, $msg) = @_; |
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205 | ... |
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206 | }, |
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207 | ); |
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208 | |
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209 | =item cf::CLASS::attachment $name, ... |
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210 | |
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211 | Register an attachment by C<$name> through which attachable objects of the |
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212 | given CLASS can refer to this attachment. |
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213 | |
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214 | Some classes such as crossfire maps and objects can specify attachments |
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215 | that are attached at load/instantiate time, thus the need for a name. |
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216 | |
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217 | These calls expect any number of the following handler/hook descriptions: |
166 | |
218 | |
167 | =over 4 |
219 | =over 4 |
168 | |
220 | |
169 | =item prio => $number |
221 | =item prio => $number |
170 | |
222 | |
… | |
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172 | by another C<prio> setting). Lower priority handlers get executed |
224 | by another C<prio> setting). Lower priority handlers get executed |
173 | earlier. The default priority is C<0>, and many built-in handlers are |
225 | earlier. The default priority is C<0>, and many built-in handlers are |
174 | registered at priority C<-1000>, so lower priorities should not be used |
226 | registered at priority C<-1000>, so lower priorities should not be used |
175 | unless you know what you are doing. |
227 | unless you know what you are doing. |
176 | |
228 | |
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229 | =item type => $type |
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230 | |
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231 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
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232 | given type of objects only (the additional parameter C<subtype> can be |
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233 | used to further limit to the given subtype). |
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234 | |
177 | =item on_I<event> => \&cb |
235 | =item on_I<event> => \&cb |
178 | |
236 | |
179 | Call the given code reference whenever the named event happens (event is |
237 | Call the given code reference whenever the named event happens (event is |
180 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
238 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
181 | handlers are recognised generally depends on the type of object these |
239 | handlers are recognised generally depends on the type of object these |
… | |
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190 | package and register them. Only handlers for eevents supported by the |
248 | package and register them. Only handlers for eevents supported by the |
191 | object/class are recognised. |
249 | object/class are recognised. |
192 | |
250 | |
193 | =back |
251 | =back |
194 | |
252 | |
195 | =item cf::attach_to_type $object_type, $subtype, ... |
253 | Example, define an attachment called "sockpuppet" that calls the given |
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254 | event handler when a monster attacks: |
196 | |
255 | |
197 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
256 | cf::object::attachment sockpuppet => |
198 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
257 | on_skill_attack => sub { |
199 | type. |
258 | my ($self, $victim) = @_; |
200 | |
259 | ... |
201 | =item cf::attach_to_objects ... |
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202 | |
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203 | Attach handlers to all objects. Do not use this except for debugging or |
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204 | very rare events, as handlers are (obviously) called for I<all> objects in |
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205 | the game. |
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206 | |
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207 | =item cf::attach_to_players ... |
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208 | |
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209 | Attach handlers to all players. |
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210 | |
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211 | =item cf::attach_to_maps ... |
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212 | |
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213 | Attach handlers to all maps. |
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214 | |
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215 | =item cf:register_attachment $name, ... |
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216 | |
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217 | Register an attachment by name through which objects can refer to this |
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218 | attachment. |
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219 | |
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220 | =item cf:register_player_attachment $name, ... |
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221 | |
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222 | Register an attachment by name through which players can refer to this |
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223 | attachment. |
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224 | |
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225 | =item cf:register_map_attachment $name, ... |
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226 | |
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227 | Register an attachment by name through which maps can refer to this |
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228 | attachment. |
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229 | |
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230 | =cut |
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231 | |
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232 | # the following variables are defined in .xs and must not be re-created |
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233 | our @CB_GLOBAL = (); # registry for all global events |
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234 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
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235 | our @CB_PLAYER = (); |
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236 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
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237 | our @CB_MAP = (); |
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238 | |
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239 | my %attachment; |
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240 | |
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241 | sub _attach_cb($\%$$$) { |
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242 | my ($registry, $undo, $event, $prio, $cb) = @_; |
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243 | |
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244 | use sort 'stable'; |
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245 | |
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246 | $cb = [$prio, $cb]; |
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247 | |
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248 | @{$registry->[$event]} = sort |
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249 | { $a->[0] cmp $b->[0] } |
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250 | @{$registry->[$event] || []}, $cb; |
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251 | |
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252 | push @{$undo->{cb}}, [$event, $cb]; |
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253 | } |
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254 | |
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255 | # attach handles attaching event callbacks |
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256 | # the only thing the caller has to do is pass the correct |
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257 | # registry (== where the callback attaches to). |
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258 | sub _attach(\@$@) { |
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259 | my ($registry, $klass, @arg) = @_; |
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260 | |
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261 | my $prio = 0; |
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262 | |
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263 | my %undo = ( |
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264 | registry => $registry, |
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265 | cb => [], |
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266 | ); |
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267 | |
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268 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
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269 | |
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270 | while (@arg) { |
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271 | my $type = shift @arg; |
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272 | |
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273 | if ($type eq "prio") { |
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274 | $prio = shift @arg; |
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275 | |
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276 | } elsif ($type eq "package") { |
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277 | my $pkg = shift @arg; |
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278 | |
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279 | while (my ($name, $id) = each %cb_id) { |
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280 | if (my $cb = $pkg->can ($name)) { |
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281 | _attach_cb $registry, %undo, $id, $prio, $cb; |
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282 | } |
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283 | } |
260 | } |
284 | |
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285 | } elsif (exists $cb_id{$type}) { |
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286 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
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287 | |
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288 | } elsif (ref $type) { |
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289 | warn "attaching objects not supported, ignoring.\n"; |
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290 | |
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291 | } else { |
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292 | shift @arg; |
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293 | warn "attach argument '$type' not supported, ignoring.\n"; |
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294 | } |
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295 | } |
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296 | |
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297 | \%undo |
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298 | } |
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299 | |
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300 | sub _attach_attachment { |
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301 | my ($obj, $name, %arg) = @_; |
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302 | |
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303 | return if exists $obj->{_attachment}{$name}; |
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304 | |
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305 | my $res; |
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306 | |
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307 | if (my $attach = $attachment{$name}) { |
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308 | my $registry = $obj->registry; |
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309 | |
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310 | for (@$attach) { |
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311 | my ($klass, @attach) = @$_; |
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312 | $res = _attach @$registry, $klass, @attach; |
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313 | } |
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314 | |
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315 | $obj->{$name} = \%arg; |
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316 | } else { |
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317 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
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318 | } |
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319 | |
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320 | $obj->{_attachment}{$name} = undef; |
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321 | |
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322 | $res->{attachment} = $name; |
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323 | $res |
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324 | } |
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325 | |
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326 | *cf::object::attach = |
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327 | *cf::player::attach = |
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328 | *cf::map::attach = sub { |
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329 | my ($obj, $name, %arg) = @_; |
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330 | |
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331 | _attach_attachment $obj, $name, %arg; |
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332 | }; |
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333 | |
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334 | # all those should be optimised |
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335 | *cf::object::detach = |
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336 | *cf::player::detach = |
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337 | *cf::map::detach = sub { |
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338 | my ($obj, $name) = @_; |
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339 | |
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340 | delete $obj->{_attachment}{$name}; |
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341 | reattach ($obj); |
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342 | }; |
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343 | |
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344 | *cf::object::attached = |
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345 | *cf::player::attached = |
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346 | *cf::map::attached = sub { |
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347 | my ($obj, $name) = @_; |
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348 | |
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349 | exists $obj->{_attachment}{$name} |
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350 | }; |
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351 | |
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352 | sub attach_global { |
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353 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
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354 | } |
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355 | |
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356 | sub attach_to_type { |
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357 | my $type = shift; |
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358 | my $subtype = shift; |
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359 | |
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360 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
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361 | } |
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362 | |
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363 | sub attach_to_objects { |
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364 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
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365 | } |
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366 | |
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367 | sub attach_to_players { |
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368 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
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369 | } |
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370 | |
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371 | sub attach_to_maps { |
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372 | _attach @CB_MAP, KLASS_MAP, @_ |
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373 | } |
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374 | |
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375 | sub register_attachment { |
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376 | my $name = shift; |
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377 | |
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378 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
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379 | } |
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380 | |
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381 | sub register_player_attachment { |
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382 | my $name = shift; |
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383 | |
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384 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
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385 | } |
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386 | |
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387 | sub register_map_attachment { |
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388 | my $name = shift; |
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389 | |
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390 | $attachment{$name} = [[KLASS_MAP, @_]]; |
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391 | } |
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392 | |
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393 | our $override; |
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394 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
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395 | |
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396 | sub override { |
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397 | $override = 1; |
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398 | @invoke_results = (); |
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399 | } |
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400 | |
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401 | sub do_invoke { |
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402 | my $event = shift; |
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403 | my $callbacks = shift; |
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404 | |
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405 | @invoke_results = (); |
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406 | |
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407 | local $override; |
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408 | |
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409 | for (@$callbacks) { |
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410 | eval { &{$_->[1]} }; |
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411 | |
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412 | if ($@) { |
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413 | warn "$@"; |
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414 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
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415 | override; |
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416 | } |
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417 | |
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418 | return 1 if $override; |
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419 | } |
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420 | |
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421 | 0 |
261 | } |
422 | } |
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423 | |
262 | |
424 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
263 | =item $attachable->valid |
425 | |
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426 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
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427 | |
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428 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
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429 | |
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430 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
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431 | |
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432 | Generate a global/object/player/map-specific event with the given arguments. |
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433 | |
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434 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
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435 | removed in future versions), and there is no public API to access override |
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436 | results (if you must, access C<@cf::invoke_results> directly). |
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437 | |
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438 | =back |
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439 | |
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440 | =cut |
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441 | |
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442 | ############################################################################# |
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443 | |
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444 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
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445 | |
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446 | =over 4 |
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447 | |
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448 | =item $object->valid, $player->valid, $map->valid |
|
|
449 | |
264 | |
450 | Just because you have a perl object does not mean that the corresponding |
265 | Just because you have a perl object does not mean that the corresponding |
451 | C-level object still exists. If you try to access an object that has no |
266 | C-level object still exists. If you try to access an object that has no |
452 | valid C counterpart anymore you get an exception at runtime. This method |
267 | valid C counterpart anymore you get an exception at runtime. This method |
453 | can be used to test for existence of the C object part without causing an |
268 | can be used to test for existence of the C object part without causing an |
454 | exception. |
269 | exception. |
455 | |
270 | |
|
|
271 | =cut |
|
|
272 | |
|
|
273 | # the following variables are defined in .xs and must not be re-created |
|
|
274 | our @CB_GLOBAL = (); # registry for all global events |
|
|
275 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
276 | our @CB_PLAYER = (); |
|
|
277 | our @CB_CLIENT = (); |
|
|
278 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
279 | our @CB_MAP = (); |
|
|
280 | |
|
|
281 | my %attachment; |
|
|
282 | |
|
|
283 | sub _attach_cb($$$$) { |
|
|
284 | my ($registry, $event, $prio, $cb) = @_; |
|
|
285 | |
|
|
286 | use sort 'stable'; |
|
|
287 | |
|
|
288 | $cb = [$prio, $cb]; |
|
|
289 | |
|
|
290 | @{$registry->[$event]} = sort |
|
|
291 | { $a->[0] cmp $b->[0] } |
|
|
292 | @{$registry->[$event] || []}, $cb; |
|
|
293 | } |
|
|
294 | |
|
|
295 | # attach handles attaching event callbacks |
|
|
296 | # the only thing the caller has to do is pass the correct |
|
|
297 | # registry (== where the callback attaches to). |
|
|
298 | sub _attach { |
|
|
299 | my ($registry, $klass, @arg) = @_; |
|
|
300 | |
|
|
301 | my $object_type; |
|
|
302 | my $prio = 0; |
|
|
303 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
304 | |
|
|
305 | while (@arg) { |
|
|
306 | my $type = shift @arg; |
|
|
307 | |
|
|
308 | if ($type eq "prio") { |
|
|
309 | $prio = shift @arg; |
|
|
310 | |
|
|
311 | } elsif ($type eq "type") { |
|
|
312 | $object_type = shift @arg; |
|
|
313 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
314 | |
|
|
315 | } elsif ($type eq "subtype") { |
|
|
316 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
317 | my $object_subtype = shift @arg; |
|
|
318 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
|
|
319 | |
|
|
320 | } elsif ($type eq "package") { |
|
|
321 | my $pkg = shift @arg; |
|
|
322 | |
|
|
323 | while (my ($name, $id) = each %cb_id) { |
|
|
324 | if (my $cb = $pkg->can ($name)) { |
|
|
325 | _attach_cb $registry, $id, $prio, $cb; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | |
|
|
329 | } elsif (exists $cb_id{$type}) { |
|
|
330 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
331 | |
|
|
332 | } elsif (ref $type) { |
|
|
333 | warn "attaching objects not supported, ignoring.\n"; |
|
|
334 | |
|
|
335 | } else { |
|
|
336 | shift @arg; |
|
|
337 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
338 | } |
|
|
339 | } |
|
|
340 | } |
|
|
341 | |
|
|
342 | sub _object_attach { |
|
|
343 | my ($obj, $name, %arg) = @_; |
|
|
344 | |
|
|
345 | return if exists $obj->{_attachment}{$name}; |
|
|
346 | |
|
|
347 | if (my $attach = $attachment{$name}) { |
|
|
348 | my $registry = $obj->registry; |
|
|
349 | |
|
|
350 | for (@$attach) { |
|
|
351 | my ($klass, @attach) = @$_; |
|
|
352 | _attach $registry, $klass, @attach; |
|
|
353 | } |
|
|
354 | |
|
|
355 | $obj->{$name} = \%arg; |
|
|
356 | } else { |
|
|
357 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
358 | } |
|
|
359 | |
|
|
360 | $obj->{_attachment}{$name} = undef; |
|
|
361 | } |
|
|
362 | |
|
|
363 | sub cf::attachable::attach { |
|
|
364 | if (ref $_[0]) { |
|
|
365 | _object_attach @_; |
|
|
366 | } else { |
|
|
367 | _attach shift->_attach_registry, @_; |
|
|
368 | } |
|
|
369 | }; |
|
|
370 | |
|
|
371 | # all those should be optimised |
|
|
372 | sub cf::attachable::detach { |
|
|
373 | my ($obj, $name) = @_; |
|
|
374 | |
|
|
375 | if (ref $obj) { |
|
|
376 | delete $obj->{_attachment}{$name}; |
|
|
377 | reattach ($obj); |
|
|
378 | } else { |
|
|
379 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
380 | } |
|
|
381 | }; |
|
|
382 | |
|
|
383 | sub cf::attachable::attached { |
|
|
384 | my ($obj, $name) = @_; |
|
|
385 | |
|
|
386 | exists $obj->{_attachment}{$name} |
|
|
387 | } |
|
|
388 | |
|
|
389 | for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
390 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
391 | sub cf::\L$klass\E::_attach_registry { |
|
|
392 | (\\\@CB_$klass, KLASS_$klass) |
|
|
393 | } |
|
|
394 | |
|
|
395 | sub cf::\L$klass\E::attachment { |
|
|
396 | my \$name = shift; |
|
|
397 | |
|
|
398 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
399 | } |
|
|
400 | "; |
|
|
401 | die if $@; |
|
|
402 | } |
|
|
403 | |
|
|
404 | our $override; |
|
|
405 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
406 | |
|
|
407 | sub override { |
|
|
408 | $override = 1; |
|
|
409 | @invoke_results = (); |
|
|
410 | } |
|
|
411 | |
|
|
412 | sub do_invoke { |
|
|
413 | my $event = shift; |
|
|
414 | my $callbacks = shift; |
|
|
415 | |
|
|
416 | @invoke_results = (); |
|
|
417 | |
|
|
418 | local $override; |
|
|
419 | |
|
|
420 | for (@$callbacks) { |
|
|
421 | eval { &{$_->[1]} }; |
|
|
422 | |
|
|
423 | if ($@) { |
|
|
424 | warn "$@"; |
|
|
425 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
426 | override; |
|
|
427 | } |
|
|
428 | |
|
|
429 | return 1 if $override; |
|
|
430 | } |
|
|
431 | |
|
|
432 | 0 |
|
|
433 | } |
|
|
434 | |
|
|
435 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
436 | |
|
|
437 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
438 | |
|
|
439 | Generate an object-specific event with the given arguments. |
|
|
440 | |
|
|
441 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
442 | removed in future versions), and there is no public API to access override |
|
|
443 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
444 | |
456 | =back |
445 | =back |
457 | |
446 | |
458 | =cut |
447 | =cut |
459 | |
|
|
460 | *cf::object::valid = |
|
|
461 | *cf::player::valid = |
|
|
462 | *cf::map::valid = \&cf::_valid; |
|
|
463 | |
448 | |
464 | ############################################################################# |
449 | ############################################################################# |
465 | # object support |
450 | # object support |
466 | |
451 | |
467 | sub instantiate { |
452 | sub instantiate { |
… | |
… | |
487 | |
472 | |
488 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
473 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
489 | if (my $attach = $attachment{$name}) { |
474 | if (my $attach = $attachment{$name}) { |
490 | for (@$attach) { |
475 | for (@$attach) { |
491 | my ($klass, @attach) = @$_; |
476 | my ($klass, @attach) = @$_; |
492 | _attach @$registry, $klass, @attach; |
477 | _attach $registry, $klass, @attach; |
493 | } |
478 | } |
494 | } else { |
479 | } else { |
495 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
480 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
496 | } |
481 | } |
497 | } |
482 | } |
… | |
… | |
553 | } |
538 | } |
554 | |
539 | |
555 | () |
540 | () |
556 | } |
541 | } |
557 | |
542 | |
558 | attach_to_objects |
543 | cf::object->attach ( |
559 | prio => -1000000, |
544 | prio => -1000000, |
560 | on_clone => sub { |
545 | on_clone => sub { |
561 | my ($src, $dst) = @_; |
546 | my ($src, $dst) = @_; |
562 | |
547 | |
563 | @{$dst->registry} = @{$src->registry}; |
548 | @{$dst->registry} = @{$src->registry}; |
… | |
… | |
565 | %$dst = %$src; |
550 | %$dst = %$src; |
566 | |
551 | |
567 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
552 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
568 | if exists $src->{_attachment}; |
553 | if exists $src->{_attachment}; |
569 | }, |
554 | }, |
570 | ; |
555 | ); |
571 | |
556 | |
572 | ############################################################################# |
557 | ############################################################################# |
573 | # command handling &c |
558 | # command handling &c |
574 | |
559 | |
575 | =item cf::register_command $name => \&callback($ob,$args); |
560 | =item cf::register_command $name => \&callback($ob,$args); |
… | |
… | |
604 | #warn "registering extcmd '$name' to '$caller'"; |
589 | #warn "registering extcmd '$name' to '$caller'"; |
605 | |
590 | |
606 | $EXTCMD{$name} = [$cb, $caller]; |
591 | $EXTCMD{$name} = [$cb, $caller]; |
607 | } |
592 | } |
608 | |
593 | |
609 | attach_to_players |
594 | cf::player->attach ( |
610 | on_command => sub { |
595 | on_command => sub { |
611 | my ($pl, $name, $params) = @_; |
596 | my ($pl, $name, $params) = @_; |
612 | |
597 | |
613 | my $cb = $COMMAND{$name} |
598 | my $cb = $COMMAND{$name} |
614 | or return; |
599 | or return; |
… | |
… | |
634 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
619 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
635 | } |
620 | } |
636 | |
621 | |
637 | cf::override; |
622 | cf::override; |
638 | }, |
623 | }, |
639 | ; |
624 | ); |
640 | |
625 | |
641 | sub register { |
626 | sub register { |
642 | my ($base, $pkg) = @_; |
627 | my ($base, $pkg) = @_; |
643 | |
628 | |
644 | #TODO |
629 | #TODO |
… | |
… | |
713 | |
698 | |
714 | Symbol::delete_package $pkg; |
699 | Symbol::delete_package $pkg; |
715 | } |
700 | } |
716 | |
701 | |
717 | sub load_extensions { |
702 | sub load_extensions { |
718 | my $LIBDIR = maps_directory "perl"; |
|
|
719 | |
|
|
720 | for my $ext (<$LIBDIR/*.ext>) { |
703 | for my $ext (<$LIBDIR/*.ext>) { |
721 | next unless -r $ext; |
704 | next unless -r $ext; |
722 | eval { |
705 | eval { |
723 | load_extension $ext; |
706 | load_extension $ext; |
724 | 1 |
707 | 1 |
… | |
… | |
736 | defined $path or return; |
719 | defined $path or return; |
737 | |
720 | |
738 | unlink "$path.pst"; |
721 | unlink "$path.pst"; |
739 | }; |
722 | }; |
740 | |
723 | |
741 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
724 | cf::map->attach (prio => -10000, package => cf::mapsupport::); |
742 | |
725 | |
743 | ############################################################################# |
726 | ############################################################################# |
744 | # load/save perl data associated with player->ob objects |
727 | # load/save perl data associated with player->ob objects |
745 | |
728 | |
746 | sub all_objects(@) { |
729 | sub all_objects(@) { |
747 | @_, map all_objects ($_->inv), @_ |
730 | @_, map all_objects ($_->inv), @_ |
748 | } |
731 | } |
749 | |
732 | |
750 | # TODO: compatibility cruft, remove when no longer needed |
733 | # TODO: compatibility cruft, remove when no longer needed |
751 | attach_to_players |
734 | cf::player->attach ( |
752 | on_load => sub { |
735 | on_load => sub { |
753 | my ($pl, $path) = @_; |
736 | my ($pl, $path) = @_; |
754 | |
737 | |
755 | for my $o (all_objects $pl->ob) { |
738 | for my $o (all_objects $pl->ob) { |
756 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
739 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
… | |
… | |
758 | |
741 | |
759 | %$o = %{ Storable::thaw pack "H*", $value }; |
742 | %$o = %{ Storable::thaw pack "H*", $value }; |
760 | } |
743 | } |
761 | } |
744 | } |
762 | }, |
745 | }, |
763 | ; |
746 | ); |
764 | |
747 | |
765 | ############################################################################# |
748 | ############################################################################# |
766 | |
749 | |
767 | =head2 CORE EXTENSIONS |
750 | =head2 CORE EXTENSIONS |
768 | |
751 | |
769 | Functions and methods that extend core crossfire objects. |
752 | Functions and methods that extend core crossfire objects. |
|
|
753 | |
|
|
754 | =head3 cf::player |
770 | |
755 | |
771 | =over 4 |
756 | =over 4 |
772 | |
757 | |
773 | =item cf::player::exists $login |
758 | =item cf::player::exists $login |
774 | |
759 | |
… | |
… | |
779 | sub cf::player::exists($) { |
764 | sub cf::player::exists($) { |
780 | cf::player::find $_[0] |
765 | cf::player::find $_[0] |
781 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
766 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
782 | } |
767 | } |
783 | |
768 | |
|
|
769 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
770 | |
|
|
771 | Sends an ext reply to the player. |
|
|
772 | |
|
|
773 | =cut |
|
|
774 | |
|
|
775 | sub cf::player::ext_reply($$$%) { |
|
|
776 | my ($self, $id, %msg) = @_; |
|
|
777 | |
|
|
778 | $msg{msgid} = $id; |
|
|
779 | |
|
|
780 | $self->send ("ext " . to_json \%msg); |
|
|
781 | } |
|
|
782 | |
|
|
783 | =back |
|
|
784 | |
|
|
785 | =head3 cf::object::player |
|
|
786 | |
|
|
787 | =over 4 |
|
|
788 | |
784 | =item $player_object->reply ($npc, $msg[, $flags]) |
789 | =item $player_object->reply ($npc, $msg[, $flags]) |
785 | |
790 | |
786 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
791 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
787 | can be C<undef>. Does the right thing when the player is currently in a |
792 | can be C<undef>. Does the right thing when the player is currently in a |
788 | dialogue with the given NPC character. |
793 | dialogue with the given NPC character. |
789 | |
794 | |
790 | =cut |
795 | =cut |
791 | |
796 | |
792 | # rough implementation of a future "reply" method that works |
797 | # rough implementation of a future "reply" method that works |
793 | # with dialog boxes. |
798 | # with dialog boxes. |
|
|
799 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
794 | sub cf::object::player::reply($$$;$) { |
800 | sub cf::object::player::reply($$$;$) { |
795 | my ($self, $npc, $msg, $flags) = @_; |
801 | my ($self, $npc, $msg, $flags) = @_; |
796 | |
802 | |
797 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
803 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
798 | |
804 | |
… | |
… | |
802 | $msg = $npc->name . " says: $msg" if $npc; |
808 | $msg = $npc->name . " says: $msg" if $npc; |
803 | $self->message ($msg, $flags); |
809 | $self->message ($msg, $flags); |
804 | } |
810 | } |
805 | } |
811 | } |
806 | |
812 | |
807 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
808 | |
|
|
809 | Sends an ext reply to the player. |
|
|
810 | |
|
|
811 | =cut |
|
|
812 | |
|
|
813 | sub cf::player::ext_reply($$$%) { |
|
|
814 | my ($self, $id, %msg) = @_; |
|
|
815 | |
|
|
816 | $msg{msgid} = $id; |
|
|
817 | |
|
|
818 | $self->send ("ext " . to_json \%msg); |
|
|
819 | } |
|
|
820 | |
|
|
821 | =item $player_object->may ("access") |
813 | =item $player_object->may ("access") |
822 | |
814 | |
823 | Returns wether the given player is authorized to access resource "access" |
815 | Returns wether the given player is authorized to access resource "access" |
824 | (e.g. "command_wizcast"). |
816 | (e.g. "command_wizcast"). |
825 | |
817 | |
… | |
… | |
832 | (ref $cf::CFG{"may_$access"} |
824 | (ref $cf::CFG{"may_$access"} |
833 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
825 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
834 | : $cf::CFG{"may_$access"}) |
826 | : $cf::CFG{"may_$access"}) |
835 | } |
827 | } |
836 | |
828 | |
837 | =cut |
829 | =head3 cf::client |
838 | |
830 | |
839 | ############################################################################# |
831 | =over 4 |
|
|
832 | |
|
|
833 | =item $client->send_drawinfo ($text, $flags) |
|
|
834 | |
|
|
835 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
836 | should not be used under normal circumstances. |
|
|
837 | |
|
|
838 | =cut |
|
|
839 | |
|
|
840 | sub cf::client::send_drawinfo { |
|
|
841 | my ($self, $text, $flags) = @_; |
|
|
842 | |
|
|
843 | utf8::encode $text; |
|
|
844 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
|
|
845 | } |
|
|
846 | |
|
|
847 | |
|
|
848 | =item $success = $client->query ($flags, "text", \&cb) |
|
|
849 | |
|
|
850 | Queues a query to the client, calling the given callback with |
|
|
851 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
852 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
853 | |
|
|
854 | Queries can fail, so check the return code. Or don't, as queries will become |
|
|
855 | reliable at some point in the future. |
|
|
856 | |
|
|
857 | =cut |
|
|
858 | |
|
|
859 | sub cf::client::query { |
|
|
860 | my ($self, $flags, $text, $cb) = @_; |
|
|
861 | |
|
|
862 | return unless $self->state == ST_PLAYING |
|
|
863 | || $self->state == ST_SETUP |
|
|
864 | || $self->state == ST_CUSTOM; |
|
|
865 | |
|
|
866 | $self->state (ST_CUSTOM); |
|
|
867 | |
|
|
868 | utf8::encode $text; |
|
|
869 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
870 | |
|
|
871 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
872 | if @{ $self->{query_queue} } == 1; |
|
|
873 | } |
|
|
874 | |
|
|
875 | cf::client->attach ( |
|
|
876 | on_reply => sub { |
|
|
877 | my ($ns, $msg) = @_; |
|
|
878 | |
|
|
879 | # this weird shuffling is so that direct followup queries |
|
|
880 | # get handled first |
|
|
881 | my $queue = delete $ns->{query_queue}; |
|
|
882 | |
|
|
883 | (shift @$queue)->[1]->($msg); |
|
|
884 | |
|
|
885 | push @{ $ns->{query_queue} }, @$queue; |
|
|
886 | |
|
|
887 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
888 | if (@$queue) { |
|
|
889 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
890 | } else { |
|
|
891 | $ns->state (ST_PLAYING); |
|
|
892 | } |
|
|
893 | } |
|
|
894 | }, |
|
|
895 | ); |
|
|
896 | |
|
|
897 | =item $client->coro (\&cb) |
|
|
898 | |
|
|
899 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
900 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
901 | or loss of connection). |
|
|
902 | |
|
|
903 | =cut |
|
|
904 | |
|
|
905 | sub cf::client::coro { |
|
|
906 | my ($self, $cb) = @_; |
|
|
907 | |
|
|
908 | my $coro; $coro = async { |
|
|
909 | eval { |
|
|
910 | $cb->(); |
|
|
911 | }; |
|
|
912 | warn $@ if $@; |
|
|
913 | warn "cancel myself\n";#d# |
|
|
914 | delete $self->{_coro}{$coro+0}; |
|
|
915 | }; |
|
|
916 | |
|
|
917 | $self->{_coro}{$coro+0} = $coro; |
|
|
918 | } |
|
|
919 | |
|
|
920 | cf::client->attach ( |
|
|
921 | on_destroy => sub { |
|
|
922 | my ($ns) = @_; |
|
|
923 | |
|
|
924 | warn "cancel $_" for values %{ $ns->{_coro} || {} };#d# |
|
|
925 | $_->cancel for values %{ $ns->{_coro} || {} }; |
|
|
926 | }, |
|
|
927 | ); |
|
|
928 | |
|
|
929 | =back |
|
|
930 | |
840 | |
931 | |
841 | =head2 SAFE SCRIPTING |
932 | =head2 SAFE SCRIPTING |
842 | |
933 | |
843 | Functions that provide a safe environment to compile and execute |
934 | Functions that provide a safe environment to compile and execute |
844 | snippets of perl code without them endangering the safety of the server |
935 | snippets of perl code without them endangering the safety of the server |
… | |
… | |
859 | |
950 | |
860 | =pod |
951 | =pod |
861 | |
952 | |
862 | The following fucntions and emthods are available within a safe environment: |
953 | The following fucntions and emthods are available within a safe environment: |
863 | |
954 | |
864 | cf::object contr pay_amount pay_player |
955 | cf::object contr pay_amount pay_player map |
865 | cf::object::player player |
956 | cf::object::player player |
866 | cf::player peaceful |
957 | cf::player peaceful |
|
|
958 | cf::map trigger |
867 | |
959 | |
868 | =cut |
960 | =cut |
869 | |
961 | |
870 | for ( |
962 | for ( |
871 | ["cf::object" => qw(contr pay_amount pay_player)], |
963 | ["cf::object" => qw(contr pay_amount pay_player map)], |
872 | ["cf::object::player" => qw(player)], |
964 | ["cf::object::player" => qw(player)], |
873 | ["cf::player" => qw(peaceful)], |
965 | ["cf::player" => qw(peaceful)], |
|
|
966 | ["cf::map" => qw(trigger)], |
874 | ) { |
967 | ) { |
875 | no strict 'refs'; |
968 | no strict 'refs'; |
876 | my ($pkg, @funs) = @$_; |
969 | my ($pkg, @funs) = @$_; |
877 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
970 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
878 | for @funs; |
971 | for @funs; |
… | |
… | |
1018 | sub db_sync() { |
1111 | sub db_sync() { |
1019 | db_save if $dirty; |
1112 | db_save if $dirty; |
1020 | undef $dirty; |
1113 | undef $dirty; |
1021 | } |
1114 | } |
1022 | |
1115 | |
1023 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { |
1116 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
1024 | db_sync; |
1117 | db_sync; |
1025 | }); |
1118 | }); |
1026 | |
1119 | |
1027 | sub db_dirty() { |
1120 | sub db_dirty() { |
1028 | $dirty = 1; |
1121 | $dirty = 1; |
… | |
… | |
1042 | $DB->{$_[0]} = $_[1]; |
1135 | $DB->{$_[0]} = $_[1]; |
1043 | } |
1136 | } |
1044 | db_dirty; |
1137 | db_dirty; |
1045 | } |
1138 | } |
1046 | |
1139 | |
1047 | attach_global |
1140 | cf::global->attach ( |
1048 | prio => 10000, |
1141 | prio => 10000, |
1049 | on_cleanup => sub { |
1142 | on_cleanup => sub { |
1050 | db_sync; |
1143 | db_sync; |
1051 | }, |
1144 | }, |
1052 | ; |
1145 | ); |
1053 | } |
1146 | } |
1054 | |
1147 | |
1055 | ############################################################################# |
1148 | ############################################################################# |
1056 | # the server's main() |
1149 | # the server's main() |
1057 | |
1150 | |
… | |
… | |
1078 | |
1171 | |
1079 | $msg->("reloading..."); |
1172 | $msg->("reloading..."); |
1080 | |
1173 | |
1081 | eval { |
1174 | eval { |
1082 | # cancel all watchers |
1175 | # cancel all watchers |
1083 | $_->cancel for Event::all_watchers; |
1176 | for (Event::all_watchers) { |
|
|
1177 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
1178 | } |
1084 | |
1179 | |
1085 | # unload all extensions |
1180 | # unload all extensions |
1086 | for (@exts) { |
1181 | for (@exts) { |
1087 | $msg->("unloading <$_>"); |
1182 | $msg->("unloading <$_>"); |
1088 | unload_extension $_; |
1183 | unload_extension $_; |
… | |
… | |
1164 | }; |
1259 | }; |
1165 | |
1260 | |
1166 | unshift @INC, $LIBDIR; |
1261 | unshift @INC, $LIBDIR; |
1167 | |
1262 | |
1168 | $TICK_WATCHER = Event->timer ( |
1263 | $TICK_WATCHER = Event->timer ( |
1169 | prio => 1, |
1264 | prio => 0, |
1170 | async => 1, |
|
|
1171 | at => $NEXT_TICK || 1, |
1265 | at => $NEXT_TICK || 1, |
|
|
1266 | data => WF_AUTOCANCEL, |
1172 | cb => sub { |
1267 | cb => sub { |
1173 | cf::server_tick; # one server iteration |
1268 | cf::server_tick; # one server iteration |
1174 | |
1269 | |
1175 | my $NOW = Event::time; |
1270 | my $NOW = Event::time; |
1176 | $NEXT_TICK += $TICK; |
1271 | $NEXT_TICK += $TICK; |
… | |
… | |
1186 | IO::AIO::max_poll_time $TICK * 0.2; |
1281 | IO::AIO::max_poll_time $TICK * 0.2; |
1187 | |
1282 | |
1188 | Event->io (fd => IO::AIO::poll_fileno, |
1283 | Event->io (fd => IO::AIO::poll_fileno, |
1189 | poll => 'r', |
1284 | poll => 'r', |
1190 | prio => 5, |
1285 | prio => 5, |
|
|
1286 | data => WF_AUTOCANCEL, |
1191 | cb => \&IO::AIO::poll_cb); |
1287 | cb => \&IO::AIO::poll_cb); |
1192 | |
1288 | |
1193 | 1 |
1289 | 1 |
1194 | |
1290 | |