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1=begin comment
2
3 This file is part of Deliantra, the Roguelike Realtime MMORPG.
4
5 Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7 Deliantra is free software: you can redistribute it and/or modify it under
8 the terms of the Affero GNU General Public License as published by the
9 Free Software Foundation, either version 3 of the License, or (at your
10 option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the Affero GNU General Public License
18 and the GNU General Public License along with this program. If not, see
19 <http://www.gnu.org/licenses/>.
20
21 The authors can be reached via e-mail to <support@deliantra.net>
22
23=end comment
24
1=head1 DELIANTRA PLUG-IN EVENTS 25=head1 DELIANTRA PLUG-IN EVENTS
2 26
3This document briefly describes each plug-in event. It is also used to 27This document briefly describes each plug-in event. It is also used to
4generate the event-list itself, so is always complete. Be careful wehn 28generate the event-list itself, so is always complete. Be careful wehn
5changing it, though. 29changing it, though.
6 30
7=head2 NOTATION 31=head2 NOTATION
8 32
9the event description below uses a variant of the forth stack notation - 33The event description below uses a variant of the forth stack notation -
10an opening parenthesis followed by the type of each parameter, optionally 34an opening parenthesis followed by the type of each parameter, optionally
11followed by two dashes and the returning parameters. If the latter is 35followed by two dashes and the returning parameters. If the latter part is
12missing, the event will be invoked but cannot change wether the event gets 36missing, the event will be invoked but cannot change wether the event gets
13processed. 37processed.
14 38
15If it is specified (even if no return values are supported), a plug-in 39Return values are given by overriding (in Perl by calling C<cf::override>)
16can override (e.g. using C<cf::override> in Perl) event processing, 40with the return values, which will both stop further event processing and
17basically short-circuiting it. For example, if you override from within a 41tell the caller that it wants to override normal processing.
18player BIRTH event, nothing much will happen with respect to the built-in 42
43Even if no return values are supported, a plug-in can override (e.g. using
44C<cf::override> in Perl) event processing, basically short-circuiting
45it. For example, if you override from within a player BIRTH event,
46nothing much will happen with respect to the built-in processing, but if
19processing, but if you override from within a player TELL event, the tell 47you override from within a player TELL event, the tell will be ignored
20will be ignored (presumably your plug-in took care of it). 48(presumably your plug-in took care of it).
21 49
22 50
23=head2 ATTACHABLE EVENTS 51=head2 ATTACHABLE EVENTS
24 52
25No time to document this, screw me. 53No time to document this, screw me.
110 138
111=item B<2> objects of that type can't be applied if not in inventory 139=item B<2> objects of that type can't be applied if not in inventory
112 140
113=back 141=back
114 142
143=head3 reset (object)
144
145Invoked whenever the object is initialised on a map after it was
146loaded. This can be used to emulate shop-floor behaviour for example.
147
115=head3 throw (object thrower) 148=head3 throw (object thrower)
116 149
117Invoked when an B<object> is thrown by B<thrower>. 150Invoked when an B<object> is thrown by B<thrower>.
118 151
119=head3 stop (object -- ) 152=head3 stop (object -- )
181damage that has been dealt. 214damage that has been dealt.
182 215
183=head3 skill_attack (attacker victim message skill -- success) 216=head3 skill_attack (attacker victim message skill -- success)
184 217
185Invoked whenever an B<attacker> attacks B<victim> using a B<skill> (skill 218Invoked whenever an B<attacker> attacks B<victim> using a B<skill> (skill
186cna be C<undef>). B<message> is the message that describes the attack when 219can be C<undef>). B<message> is the message that describes the attack when
187damage is done. 220damage is done.
188 221
189=head3 weapon_attack (weapon hitter victim) 222=head3 weapon_attack (weapon hitter victim)
190 223
191Invoked whenever an object is used as a B<weapon> by B<hitter> to attack 224Invoked whenever an object is used as a B<weapon> by B<hitter> to attack
192B<victim>. 225B<victim>.
193 226
194=head3 inscribe_note (book pl message skill -- ) 227=head3 inscribe_note (book pl message skill -- )
195 228
196Used whenever a book gets inscribed with a message. 229Used whenever a book gets inscribed with a message.
230
231=head3 infect (victim disease_type disease -- )
232
233Invoked whenever an object is diseased. The disease object is already
234inserted in object (the template disease object is C<disease_type>),
235but no messages have been generated. If overriden, no messages will be
236generated.
197 237
198=head3 trigger (object who -- ) 238=head3 trigger (object who -- )
199 239
200Invoked whenever a lever-like B<object> has been activated/triggered in some 240Invoked whenever a lever-like B<object> has been activated/triggered in some
201(manual) way. 241(manual) way.
216Invoked whenever a container gets closed. When overriden, the container 256Invoked whenever a container gets closed. When overriden, the container
217will not get closed, but you must tell op about the reason. This event 257will not get closed, but you must tell op about the reason. This event
218is not crash-safe, i.e. containers might be closed due to a server crash 258is not crash-safe, i.e. containers might be closed due to a server crash
219without this event being invoked. 259without this event being invoked.
220 260
261=head3 blocked_move (self who -- do_blocked)
262
263Invoked when an C<who> tries to move to the same space as C<self>,
264C<self>'s C<move_block> causes blocked movement for C<who> and nothing
265else explicitly allows movement to this space.
266
267Should return true when C<who> is blocked, i.e., should not be allowed to
268move onto C<self>.
269
270When not overriding, normal blocked_move (blocked_link) processing will
271happen.
272
221 273
222=head2 GLOBAL EVENTS 274=head2 GLOBAL EVENTS
223 275
224Global events have no relation to specific objects. 276Global events have no relation to specific objects.
225 277
254Invoked when the given player is being kicked, before the kick is 306Invoked when the given player is being kicked, before the kick is
255executed. 307executed.
256 308
257=head3 load (player -- ) 309=head3 load (player -- )
258 310
259Invoked whenever a player has been loaded from disk, but before 311Invoked whenever after a player has been loaded from disk, but before
260actual login. 312actual activation/login.
261 313
262=head3 save (player -- ) 314=head3 save (player -- )
263 315
264Invoked just before a player gets serialised. 316Invoked just before a player gets serialised.
265 317
295 347
296Invoked when a player entered a new region. Cannot be overriden. 348Invoked when a player entered a new region. Cannot be overriden.
297 349
298=head3 command (player command args -- time) 350=head3 command (player command args -- time)
299 351
300Execute a user command send by the client. Programmable plug-ins usually 352Execute a user command sent by the client - this is invoked for I<all>
301handle this event internally. 353command,s so should not normally be hooked.
354
355=head3 unknown_command (player command args -- time)
356
357Execute a user command sent by the client that isn't known to the
358server. Programmable plug-ins usually handle this event internally.
302 359
303=head3 extcmd (player string) 360=head3 extcmd (player string)
304 361
305Invoked whenever a client issues the C<extcmd> protocol command. 362Invoked whenever a client issues the C<extcmd> protocol command.
306Programmable plug-ins usually handle this event internally. 363Programmable plug-ins usually handle this event internally.
334=head3 shout (player message --) 391=head3 shout (player message --)
335 392
336Invoked whenever the player uses the B<say>, B<chat> or B<shout> command, 393Invoked whenever the player uses the B<say>, B<chat> or B<shout> command,
337before it gets processed. 394before it gets processed.
338 395
396=head3 build (player builder map x y checkok --)
397
398Players tries to build using C<builder> at (map+x+y). Is invoked after
399the usual map sanity checks, so the coordinates are valid. The boolean
400C<checkok> is true only if the build code thinks it is "ok" to build at
401that space, and normally you should only build when it is true.
402
339 403
340=head2 MAP EVENTS 404=head2 MAP EVENTS
341 405
342These events are generally dependent on a map and thus all have a map 406These events are generally dependent on a map and thus all have a map
343as first argument. 407as first argument.
372=head3 leave (map player -- ) 436=head3 leave (map player -- )
373 437
374Invoked whenever a player tries to leave the B<map>. Overriding means the 438Invoked whenever a player tries to leave the B<map>. Overriding means the
375player won't be able to leave. 439player won't be able to leave.
376 440
377=head3 trigger (map connection state -- ) 441=head3 trigger (map connection state what? who? -- )
378 442
379Invoked whenever something activates a B<connection> on the B<map>. If B<state> 443Invoked whenever something activates a B<connection> on the B<map>. If B<state>
380is true the connection was 'state' and if false it is 'released'. 444is true the connection was 'state' and if false it is 'released'.
381 445
382 446
386handled asynchronously as soon as the command reaches the server, even when 450handled asynchronously as soon as the command reaches the server, even when
387the player hasn't logged in yet (meaning there is no player yet). 451the player hasn't logged in yet (meaning there is no player yet).
388 452
389=head3 connect (client -- ) 453=head3 connect (client -- )
390 454
391Called as soon as a new connection to the server is established. Should 455Called as soon as a new connection to the server is established and the
392not be overriden. 456socket has been configured.
457
458=head3 version (client string -- )
459
460Called as soon as the version command from the client is received
461(normally the very first command sent).
393 462
394=head3 setup (client string -- ) 463=head3 setup (client string -- )
395 464
396Client sent the setup command to negotiate parameters. Handling is 465Client sent the setup command to negotiate parameters. Handling is
397mandatory and done by F<login.ext>. 466mandatory and done by F<login.ext>.
410 479
411Like C<extcmd>, but can be called before a player has logged in. 480Like C<extcmd>, but can be called before a player has logged in.
412 481
413Programmable plug-ins usually handle this event internally. 482Programmable plug-ins usually handle this event internally.
414 483
484=head3 client_destroy (client -- )
485
486Invoked when the client gets destroyed.
487
488

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