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Revision 1.29 by elmex, Tue Oct 7 11:10:31 2008 UTC vs.
Revision 1.40 by root, Tue Apr 13 18:57:06 2010 UTC

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.
186damage that has been dealt. 214damage that has been dealt.
187 215
188=head3 skill_attack (attacker victim message skill -- success) 216=head3 skill_attack (attacker victim message skill -- success)
189 217
190Invoked 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
191cna 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
192damage is done. 220damage is done.
193 221
194=head3 weapon_attack (weapon hitter victim) 222=head3 weapon_attack (weapon hitter victim)
195 223
196Invoked 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
221Invoked whenever a container gets closed. When overriden, the container 249Invoked whenever a container gets closed. When overriden, the container
222will not get closed, but you must tell op about the reason. This event 250will not get closed, but you must tell op about the reason. This event
223is not crash-safe, i.e. containers might be closed due to a server crash 251is not crash-safe, i.e. containers might be closed due to a server crash
224without this event being invoked. 252without this event being invoked.
225 253
254=head3 blocked_move (self who -- do_blocked)
255
256Invoked when an C<who> tries to move to the same space as C<self>,
257C<self>'s C<move_block> causes blocked movement for C<who> and nothing
258else explicitly allows movement to this space.
259
260Should return true when C<who> is blocked, i.e., should not be allowed to
261move onto C<self>.
262
263When not overriding, normal blocked_move (blocked_link) processing will
264happen.
265
226 266
227=head2 GLOBAL EVENTS 267=head2 GLOBAL EVENTS
228 268
229Global events have no relation to specific objects. 269Global events have no relation to specific objects.
230 270
259Invoked when the given player is being kicked, before the kick is 299Invoked when the given player is being kicked, before the kick is
260executed. 300executed.
261 301
262=head3 load (player -- ) 302=head3 load (player -- )
263 303
264Invoked whenever a player has been loaded from disk, but before 304Invoked whenever after a player has been loaded from disk, but before
265actual login. 305actual activation/login.
266 306
267=head3 save (player -- ) 307=head3 save (player -- )
268 308
269Invoked just before a player gets serialised. 309Invoked just before a player gets serialised.
270 310
300 340
301Invoked when a player entered a new region. Cannot be overriden. 341Invoked when a player entered a new region. Cannot be overriden.
302 342
303=head3 command (player command args -- time) 343=head3 command (player command args -- time)
304 344
305Execute a user command send by the client. Programmable plug-ins usually 345Execute a user command sent by the client - this is invoked for I<all>
306handle this event internally. 346command,s so should not normally be hooked.
347
348=head3 unknown_command (player command args -- time)
349
350Execute a user command sent by the client that isn't known to the
351server. Programmable plug-ins usually handle this event internally.
307 352
308=head3 extcmd (player string) 353=head3 extcmd (player string)
309 354
310Invoked whenever a client issues the C<extcmd> protocol command. 355Invoked whenever a client issues the C<extcmd> protocol command.
311Programmable plug-ins usually handle this event internally. 356Programmable plug-ins usually handle this event internally.
339=head3 shout (player message --) 384=head3 shout (player message --)
340 385
341Invoked whenever the player uses the B<say>, B<chat> or B<shout> command, 386Invoked whenever the player uses the B<say>, B<chat> or B<shout> command,
342before it gets processed. 387before it gets processed.
343 388
389=head3 build (player builder map x y checkok --)
390
391Players tries to build using C<builder> at (map+x+y). Is invoked after
392the usual map sanity checks, so the coordinates are valid. The boolean
393C<checkok> is true only if the build code thinks it is "ok" to build at
394that space, and normally you should only build when it is true.
395
344 396
345=head2 MAP EVENTS 397=head2 MAP EVENTS
346 398
347These events are generally dependent on a map and thus all have a map 399These events are generally dependent on a map and thus all have a map
348as first argument. 400as first argument.
377=head3 leave (map player -- ) 429=head3 leave (map player -- )
378 430
379Invoked whenever a player tries to leave the B<map>. Overriding means the 431Invoked whenever a player tries to leave the B<map>. Overriding means the
380player won't be able to leave. 432player won't be able to leave.
381 433
382=head3 trigger (map connection state -- ) 434=head3 trigger (map connection state what? who? -- )
383 435
384Invoked whenever something activates a B<connection> on the B<map>. If B<state> 436Invoked whenever something activates a B<connection> on the B<map>. If B<state>
385is true the connection was 'state' and if false it is 'released'. 437is true the connection was 'state' and if false it is 'released'.
386 438
387 439
391handled asynchronously as soon as the command reaches the server, even when 443handled asynchronously as soon as the command reaches the server, even when
392the player hasn't logged in yet (meaning there is no player yet). 444the player hasn't logged in yet (meaning there is no player yet).
393 445
394=head3 connect (client -- ) 446=head3 connect (client -- )
395 447
396Called as soon as a new connection to the server is established. Should 448Called as soon as a new connection to the server is established and the
397not be overriden. 449socket has been configured.
450
451=head3 version (client string -- )
452
453Called as soon as the version command from the client is received
454(normally the very first command sent).
398 455
399=head3 setup (client string -- ) 456=head3 setup (client string -- )
400 457
401Client sent the setup command to negotiate parameters. Handling is 458Client sent the setup command to negotiate parameters. Handling is
402mandatory and done by F<login.ext>. 459mandatory and done by F<login.ext>.
415 472
416Like C<extcmd>, but can be called before a player has logged in. 473Like C<extcmd>, but can be called before a player has logged in.
417 474
418Programmable plug-ins usually handle this event internally. 475Programmable plug-ins usually handle this event internally.
419 476
477=head3 client_destroy (client -- )
478
479Invoked when the client gets destroyed.
480
481

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