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Revision 1.24 by root, Mon Dec 17 08:27:44 2007 UTC vs.
Revision 1.37 by root, Tue Apr 6 23:34:57 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.
91Invoked whenever the object "ticks", i.e. has positive B<speed_left>. Only 119Invoked whenever the object "ticks", i.e. has positive B<speed_left>. Only
92during ticks should an objetc process any movement or other events. 120during ticks should an objetc process any movement or other events.
93 121
94=head3 kill (object hitter -- ) 122=head3 kill (object hitter -- )
95 123
96Invoked whenever an object is dead and about to get removed. Overriding 124Invoked whenever an object was killed (hp < 0 caused by an attack) and is
97processing will skip removal, but to do this successfully you have to 125about to get removed. Overriding processing will skip removal, but to do
98objetc from dieing, otherwise the event gets invoked again and again. 126this successfully you have to keep the object from dieing, otherwise the
127event gets invoked again and again.
99 128
100=head3 apply (object who -- applytype) 129=head3 apply (object who -- applytype)
101 130
102Invoked whenever the object is being applied in some way. The applytype is one of: 131Invoked whenever the object is being applied in some way. The applytype is one of:
103 132
108=item B<1> has been applied, or there was an error applying the object 137=item B<1> has been applied, or there was an error applying the object
109 138
110=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
111 140
112=back 141=back
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.
113 147
114=head3 throw (object thrower) 148=head3 throw (object thrower)
115 149
116Invoked when an B<object> is thrown by B<thrower>. 150Invoked when an B<object> is thrown by B<thrower>.
117 151
180damage that has been dealt. 214damage that has been dealt.
181 215
182=head3 skill_attack (attacker victim message skill -- success) 216=head3 skill_attack (attacker victim message skill -- success)
183 217
184Invoked 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
185cna 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
186damage is done. 220damage is done.
187 221
188=head3 weapon_attack (weapon hitter victim) 222=head3 weapon_attack (weapon hitter victim)
189 223
190Invoked 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
215Invoked whenever a container gets closed. When overriden, the container 249Invoked whenever a container gets closed. When overriden, the container
216will 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
217is 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
218without this event being invoked. 252without this event being invoked.
219 253
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
220 266
221=head2 GLOBAL EVENTS 267=head2 GLOBAL EVENTS
222 268
223Global events have no relation to specific objects. 269Global events have no relation to specific objects.
224 270
253Invoked when the given player is being kicked, before the kick is 299Invoked when the given player is being kicked, before the kick is
254executed. 300executed.
255 301
256=head3 load (player -- ) 302=head3 load (player -- )
257 303
258Invoked whenever a player has been loaded from disk, but before 304Invoked whenever after a player has been loaded from disk, but before
259actual login. 305actual activation/login.
260 306
261=head3 save (player -- ) 307=head3 save (player -- )
262 308
263Invoked just before a player gets serialised. 309Invoked just before a player gets serialised.
264 310
294 340
295Invoked when a player entered a new region. Cannot be overriden. 341Invoked when a player entered a new region. Cannot be overriden.
296 342
297=head3 command (player command args -- time) 343=head3 command (player command args -- time)
298 344
299Execute 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>
300handle 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.
301 352
302=head3 extcmd (player string) 353=head3 extcmd (player string)
303 354
304Invoked whenever a client issues the C<extcmd> protocol command. 355Invoked whenever a client issues the C<extcmd> protocol command.
305Programmable plug-ins usually handle this event internally. 356Programmable plug-ins usually handle this event internally.
333=head3 shout (player message --) 384=head3 shout (player message --)
334 385
335Invoked 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,
336before it gets processed. 387before it gets processed.
337 388
389=head3 build (player builder map x y --)
390
391Players tries to build using C<builder> at (map+x+y). Is invoked after the
392usual sanity checks, so the coordinates are valid.
393
338 394
339=head2 MAP EVENTS 395=head2 MAP EVENTS
340 396
341These events are generally dependent on a map and thus all have a map 397These events are generally dependent on a map and thus all have a map
342as first argument. 398as first argument.
371=head3 leave (map player -- ) 427=head3 leave (map player -- )
372 428
373Invoked whenever a player tries to leave the B<map>. Overriding means the 429Invoked whenever a player tries to leave the B<map>. Overriding means the
374player won't be able to leave. 430player won't be able to leave.
375 431
376=head3 trigger (map connection state -- ) 432=head3 trigger (map connection state what? who? -- )
377 433
378Invoked whenever something activates a B<connection> on the B<map>. If B<state> 434Invoked whenever something activates a B<connection> on the B<map>. If B<state>
379is true the connection was 'state' and if false it is 'released'. 435is true the connection was 'state' and if false it is 'released'.
380 436
381 437
409 465
410Like C<extcmd>, but can be called before a player has logged in. 466Like C<extcmd>, but can be called before a player has logged in.
411 467
412Programmable plug-ins usually handle this event internally. 468Programmable plug-ins usually handle this event internally.
413 469
470=head3 client_destroy (client -- )
471
472Invoked when the client gets destroyed.
473
474

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