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Revision 1.1 by pippijn, Fri Sep 8 02:45:16 2006 UTC vs.
Revision 1.26 by elmex, Mon Jul 14 10:26:43 2008 UTC

1=head1 CROSSFIRE PLUG-IN EVENTS 1=head1 DELIANTRA PLUG-IN EVENTS
2 2
3This document briefly describes each plug-in event. It is also used to 3This document briefly describes each plug-in event. It is also used to
4generate the event-list itself, so is always complete. Be careful wehn 4generate the event-list itself, so is always complete. Be careful wehn
5changing it, though. 5changing it, though.
6 6
18player BIRTH event, nothing much will happen with respect to the built-in 18player BIRTH event, nothing much will happen with respect to the built-in
19processing, but if you override from within a player TELL event, the tell 19processing, but if you override from within a player TELL event, the tell
20will be ignored (presumably your plug-in took care of it). 20will be ignored (presumably your plug-in took care of it).
21 21
22 22
23=head2 OBJECT EVENTS 23=head2 ATTACHABLE EVENTS
24 24
25Object events always relate to a specific object, which is always the 25No time to document this, screw me.
26first argument. Not all events get generated for every object, some are
27specific to an object type.
28 26
29=head3 instantiate (object init-args...) 27=head3 instantiate (object init-args...)
30 28
31An archetype was instantiated into an object. This event occurs when 29An object was instantiated.
32a map is loaded for the first time, or when the object was created 30
31For objects, this event occurs when a map is loaded for the first time
32when it was instantiated from an archetype, or when the object was created
33dynamically. The arguments are as specified in the C<attach> attribute of 33dynamically. The arguments are as specified in the C<attach> attribute of
34the object or archetype. 34the object or archetype.
35 35
36This is useful to initialise any per-object state you might need. 36This is useful to initialise any per-object state you might need.
37 37
42server was reloaded. This event will only be generated if the object has 42server was reloaded. This event will only be generated if the object has
43attachments. 43attachments.
44 44
45=head3 clone (object destination) 45=head3 clone (object destination)
46 46
47An object with _attached extension_ is cloned, that is, a copy was 47An object with _attached plugin_ is cloned, that is, a copy was made. The
48made. The copy automatically has all attachments the original object 48copy automatically has all attachments the original object had. The perl
49had. The perl variables get copied in a shallow way (references are shared 49variables get copied in a shallow way (references are shared between
50between instances). If this is not the behaviour you need, you have to 50instances). If this is not the behaviour you need, you have to adjust the
51adjust the B<destination> object as you see fit. 51B<destination> object as you see fit.
52 52
53=head3 destroy (object) 53=head3 destroy (object -- )
54 54
55Invoked when the crossfire object gets destroyed, and only when the object 55Invoked when the deliantra object gets destroyed, and only when the object
56has a handler for this event. This event can occur many times, as its 56has a handler for this event. This event can occur many times, as its
57called when the in-memory object is destroyed, not when the object itself 57called when the in-memory object is destroyed, not when the object itself
58dies. 58dies.
59 59
60
61=head2 OBJECT EVENTS
62
63Object events always relate to a specific object, which is always the
64first argument. Not all events get generated for every object, some are
65specific to an object type.
66
67=head3 add_bonus (item creator difficulty max_magic flags -- )
68
69A basic item has been created (e.g. for shops, monsters drops etc.)
70that needs bonus values applied. The B<creator> object is a template
71object that can be used to inherit stuff (and can be NULL). Flags is a
72combination of GT_ENVIRONMENT (???) or GT_STARTEQUIP (set FLAG_STARTEQUIP
73on item or set its value to 0) or GT_MINIMAL (???)
74
75When overriden, built-in bonus generation is skipped, otherwise
76treasure generation continues as it would without this hook.
77
78In general, if flags != 0 or creator != 0 you should just return and leave
79item generation to the standard code.
80
81=head3 remove (object -- )
82
83Invoked before the object is removed from its environment.
84
85=head3 insert (object -- )
86
87Called after the object was inserted into a container or map.
88
60=head3 tick (object) 89=head3 tick (object -- )
61 90
62Invoked whenever the object "ticks", i.e. has positive B<speed_left>. Only 91Invoked whenever the object "ticks", i.e. has positive B<speed_left>. Only
63during ticks should an objetc process any movement or other events. 92during ticks should an objetc process any movement or other events.
64 93
65=head3 kill (object hitter -- ) 94=head3 kill (object hitter -- )
66 95
67Invoked whenever an object is dead and about to get removed. Overriding 96Invoked whenever an object was killed (hp < 0 caused by an attack) and is
68processing will skip removal, but to do this successfully you have to 97about to get removed. Overriding processing will skip removal, but to do
69objetc from dieing, otherwise the event gets invoked again and again. 98this successfully you have to keep the object from dieing, otherwise the
99event gets invoked again and again.
70 100
71=head3 apply (object who -- applytype) 101=head3 apply (object who -- applytype)
72 102
73Invoked whenever the object is being applied in some way. The applytype is one of: 103Invoked whenever the object is being applied in some way. The applytype is one of:
104
105=head3 auto_apply (object)
106
107Invoked whenever the object is automatically applied (as for example shop tiles
108are on map instantiation). See also the 'auto_apply' flag to enforce auto apply on
109any object.
74 110
75=over 4 111=over 4
76 112
77=item B<0> player or monster can't apply objects of that type 113=item B<0> player or monster can't apply objects of that type
78 114
114Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>, 150Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>,
115currently applied by B<who>. If your override, make sure you give 'who' 151currently applied by B<who>. If your override, make sure you give 'who'
116(if it is a player) an indication of whats wrong. Must return true if the 152(if it is a player) an indication of whats wrong. Must return true if the
117object was freed. 153object was freed.
118 154
119=head3 use_skill (skill who part direction strignarg -- ) 155=head3 use_skill (skill who part direction stringarg -- )
120 156
121Invoked whenever a skill is used by somebody or something. 157Invoked whenever a skill is used by somebody or something.
122 158
123=head3 cast_spell (spell casting_object owner direction stringarg -- ) 159=head3 cast_spell (spell owner casting_object direction stringarg -- )
124 160
125Invoked whenever a given spell is cast by B<casting_object> (used by 161Invoked whenever a given spell is cast by B<casting_object> (used by
126B<owner>). 162B<owner>).
127 163
128=head3 drop (object who -- ) 164=head3 drop (object who -- )
174 210
175Invoked whenever a trap-like B<object> has been activated, usually by 211Invoked whenever a trap-like B<object> has been activated, usually by
176moving onto it. This includes not just traps, but also buttons, holes, 212moving onto it. This includes not just traps, but also buttons, holes,
177signs and similar stuff. 213signs and similar stuff.
178 214
215=head3 open (container who -- )
216
217Invoked whenever a container gets opened. When overriden, the container will not
218get opened, but you must tell op about the reason.
219
179=head3 close (container who -- ) 220=head3 close (container who -- )
180 221
181Invoked whenever a container gets closed (this event is not yet reliable!). 222Invoked whenever a container gets closed. When overriden, the container
223will not get closed, but you must tell op about the reason. This event
224is not crash-safe, i.e. containers might be closed due to a server crash
225without this event being invoked.
182 226
183 227
184=head2 GLOBAL EVENTS 228=head2 GLOBAL EVENTS
185 229
186Global events have no relation to specific objects. 230Global events have no relation to specific objects.
187 231
232=head3 cleanup ()
233
234Called when the server is cleaning up, just before it calls exit.
235
188=head3 clock ( ) 236=head3 clock ()
189 237
190Is invoked on every server tick, usually every 0.12 seconds. 238Is invoked on every server tick, usually every 0.12 seconds.
191 239
240=head3 resource_update ()
241
242Is invoked after each time the server reloads its resources, which is
243usually one of the earliest things it does when starting up.
244
245
192=head2 PLAYER EVENTS 246=head2 PLAYER EVENTS
193 247
194Player events always have a player object as first argument. 248Player events always have a player object as first argument.
195 249
196=head3 reattach (player)
197
198Invoked whenever attachments/plug-ins need to get reattached to the player
199object. This usually happens when the player gets loaded from disk, or
200when the server is reloaded.
201
202=head3 birth (player) 250=head3 birth (player)
203 251
204Invoked as very first thing after creating a player. 252Invoked as very first thing after creating a player.
205 253
206=head3 quit (player) 254=head3 quit (player)
207 255
208Invoked wheneever a player quits, before actually removing him/her. 256Invoked wheneever a player quits, before actually removing him/her.
209 257
210=head3 kick (player params -- ) 258=head3 kick (player params -- )
211 259
212Invoked when the given plaer is being kicked, before the kick is executed. 260Invoked when the given player is being kicked, before the kick is
261executed.
213 262
214=head3 load (player) 263=head3 load (player -- )
215 264
216Invoked whenever a player has been loaded from disk, but before 265Invoked whenever a player has been loaded from disk, but before
217actual login. 266actual login.
218 267
219=head3 save (player) 268=head3 save (player -- )
220 269
221Invoked just before a player gets saved. 270Invoked just before a player gets serialised.
271
272=head3 save_done (player -- )
273
274Invoked just after a player was serialised.
275
276=head3 connect (player -- )
277
278Invoked just after the player object was connected to a client.
279
280=head3 disconnect (player -- )
281
282Invoked just before the player gets disconnected from the client.
222 283
223=head3 login (player) 284=head3 login (player)
224 285
225Invoked whenever a player logs in. 286Invoked whenever a player logs in.
226 287
227=head3 logout (player) 288=head3 logout (player cleanly -- )
228 289
229Invoked whenever a player logs out, gets disconnected etc. 290Invoked whenever a player logs out, gets disconnected etc.
230 291
231=head3 death (player) 292=head3 death (player)
232 293
233Invoked whenever a player dies, before the death actually gets processed. 294Invoked whenever a player dies, before the death actually gets processed.
234 295
235=head3 map_change (player oldmap newmap) 296=head3 map_change (player newmap x y -- )
236 297
237Invoked whenever a player moves from one map to another. 298Invoked before a player moves from one map to another, can override the movement.
299
300=head3 region_change (player newregion oldregion -- )
301
302Invoked when a player entered a new region. Cannot be overriden.
303
304=head3 command (player command args -- time)
305
306Execute a user command send by the client. Programmable plug-ins usually
307handle this event internally.
238 308
239=head3 extcmd (player string) 309=head3 extcmd (player string)
240 310
241Invoked whenever a client issues the C<extcmd> protocol command. It's 311Invoked whenever a client issues the C<extcmd> protocol command.
242argument is passed without any changes. 312Programmable plug-ins usually handle this event internally.
243 313
244=head3 move (player direction -- ) 314=head3 move (player direction -- )
315
316Called whenever the player is supposed to move or attack. The handler
317must handle the cases of speed_left or weapon_sp_left being negative,
318fire being on, is responsible for decreaseing the speed_left value
319on successful moves etc. etc.. When overriden, must return a boolean
320indicating wether a move could be effected.
245 321
246=head3 pray_altar (player altar skill -- ) 322=head3 pray_altar (player altar skill -- )
247 323
248Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>. 324Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>.
249 325
250=head3 tell (player name message -- ) 326=head3 tell (player name message -- )
251 327
252Invoked whenever the player uses the B<tell> or B<reply> command, before 328Invoked whenever the player uses the B<tell> or B<reply> command, before
253it gets processed. 329it gets processed.
254 330
331=head3 told (player player message -- )
332
333Invoked right before a message is being told to a player using B<tell> or
334B<reply>.
335
255=head3 say (player message --) 336=head3 say (player message --)
256 337
257=head3 chat (player message --) 338=head3 chat (player message --)
258 339
259=head3 shout (player message --) 340=head3 shout (player message --)
270=head3 instantiate (map) 351=head3 instantiate (map)
271 352
272Original B<map> has been loaded (e.g. on first use, or after a map 353Original B<map> has been loaded (e.g. on first use, or after a map
273reset). 354reset).
274 355
275=head3 reattach (map)
276
277Invoked whenever attachments/plug-ins need to get reattached to the
278B<map>. This usually happens when the map was loaded from disk, or when the
279server was reloaded.
280
281=head3 destroy (map)
282
283Invoked when the map object gets destroyed, and only when the map object
284has a handler for this event. This event can occur many times, as its
285called when the in-memory object is destroyed, not when the object itself
286dies.
287
288=head3 swapin (map) 356=head3 swapin (map)
289 357
290Invoked when a previously swapped-out temporary B<map> has been loaded again. 358Invoked when a previously swapped-out temporary B<map> has been loaded again.
291 359
292=head3 swapout (map) 360=head3 swapout (map)
299 367
300=head3 clean (map) 368=head3 clean (map)
301 369
302Invoked when a temporary B<map> gets deleted on-disk. 370Invoked when a temporary B<map> gets deleted on-disk.
303 371
304=head3 enter (map player) 372=head3 enter (map player x y -- )
305 373
306Invoked whenever a player enters the B<map>. This event is likely unreliable. 374Invoked whenever a player tries to enter the B<map>, while he/she is still
375on the old map. Overriding means the player won't be able to enter, and,
376if newmap/x/y are given, will be redirected to that map instead.
307 377
308=head3 leave (map player) 378=head3 leave (map player -- )
309 379
310Invoked whenever a player leaves the B<map>. This event is likely unreliable. 380Invoked whenever a player tries to leave the B<map>. Overriding means the
381player won't be able to leave.
311 382
312=head3 upgrade (map)
313
314(TEMPORARY EVENT) gets invoked whenever a old-style map has been upgraded.
315
316=head3 trigger (map connection state) 383=head3 trigger (map connection state -- )
317 384
318Invoked whenever something activates a B<connection> on the B<map>. If B<state> 385Invoked whenever something activates a B<connection> on the B<map>. If B<state>
319is true the connection was 'state' and if false it is 'released'. 386is true the connection was 'state' and if false it is 'released'.
387
388
389=head2 CLIENT EVENTS
390
391These events are very similar to player events, but they are might be
392handled asynchronously as soon as the command reaches the server, even when
393the player hasn't logged in yet (meaning there is no player yet).
394
395=head3 connect (client -- )
396
397Called as soon as a new connection to the server is established. Should
398not be overriden.
399
400=head3 setup (client string -- )
401
402Client sent the setup command to negotiate parameters. Handling is
403mandatory and done by F<login.ext>.
404
405=head3 addme (client -- )
406
407The client sent an addme, thus ending the initial handshaking. Handling is mandatory
408and done by F<login.ext>.
409
410=head3 reply (client replystring -- )
411
412Called when the client submits a reply in the ST_CUSTOM state. Usually
413handled internally by language plugins.
414
415=head3 exticmd (client string -- )
416
417Like C<extcmd>, but can be called before a player has logged in.
418
419Programmable plug-ins usually handle this event internally.
420

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