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Revision 1.2 by elmex, Fri Sep 8 15:34:56 2006 UTC vs.
Revision 1.30 by root, Thu Jan 8 03:03:24 2009 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:
74 104
79=item B<1> has been applied, or there was an error applying the object 109=item B<1> has been applied, or there was an error applying the object
80 110
81=item B<2> objects of that type can't be applied if not in inventory 111=item B<2> objects of that type can't be applied if not in inventory
82 112
83=back 113=back
114
115=head3 reset (object)
116
117Invoked whenever the object is initialised on a map after it was
118loaded. This can be used to emulate shop-floor behaviour for example.
84 119
85=head3 throw (object thrower) 120=head3 throw (object thrower)
86 121
87Invoked when an B<object> is thrown by B<thrower>. 122Invoked when an B<object> is thrown by B<thrower>.
88 123
114Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>, 149Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>,
115currently applied by B<who>. If your override, make sure you give 'who' 150currently 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 151(if it is a player) an indication of whats wrong. Must return true if the
117object was freed. 152object was freed.
118 153
119=head3 use_skill (skill who part direction strignarg -- ) 154=head3 use_skill (skill who part direction stringarg -- )
120 155
121Invoked whenever a skill is used by somebody or something. 156Invoked whenever a skill is used by somebody or something.
122 157
123=head3 cast_spell (spell casting_object owner direction stringarg -- ) 158=head3 cast_spell (spell owner casting_object direction stringarg -- )
124 159
125Invoked whenever a given spell is cast by B<casting_object> (used by 160Invoked whenever a given spell is cast by B<casting_object> (used by
126B<owner>). 161B<owner>).
127 162
128=head3 drop (object who -- ) 163=head3 drop (object who -- )
174 209
175Invoked whenever a trap-like B<object> has been activated, usually by 210Invoked whenever a trap-like B<object> has been activated, usually by
176moving onto it. This includes not just traps, but also buttons, holes, 211moving onto it. This includes not just traps, but also buttons, holes,
177signs and similar stuff. 212signs and similar stuff.
178 213
214=head3 open (container who -- )
215
216Invoked whenever a container gets opened. When overriden, the container will not
217get opened, but you must tell op about the reason.
218
179=head3 close (container who -- ) 219=head3 close (container who -- )
180 220
181Invoked whenever a container gets closed (this event is not yet reliable!). 221Invoked whenever a container gets closed. When overriden, the container
222will 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
224without this event being invoked.
182 225
183 226
184=head2 GLOBAL EVENTS 227=head2 GLOBAL EVENTS
185 228
186Global events have no relation to specific objects. 229Global events have no relation to specific objects.
187 230
231=head3 cleanup ()
232
233Called when the server is cleaning up, just before it calls exit.
234
188=head3 clock ( ) 235=head3 clock ()
189 236
190Is invoked on every server tick, usually every 0.12 seconds. 237Is invoked on every server tick, usually every 0.12 seconds.
191 238
239=head3 resource_update ()
240
241Is invoked after each time the server reloads its resources, which is
242usually one of the earliest things it does when starting up.
243
244
192=head2 PLAYER EVENTS 245=head2 PLAYER EVENTS
193 246
194Player events always have a player object as first argument. 247Player events always have a player object as first argument.
195 248
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) 249=head3 birth (player)
203 250
204Invoked as very first thing after creating a player. 251Invoked as very first thing after creating a player.
205 252
206=head3 quit (player) 253=head3 quit (player)
207 254
208Invoked wheneever a player quits, before actually removing him/her. 255Invoked wheneever a player quits, before actually removing him/her.
209 256
210=head3 kick (player params -- ) 257=head3 kick (player params -- )
211 258
212Invoked when the given plaer is being kicked, before the kick is executed. 259Invoked when the given player is being kicked, before the kick is
260executed.
213 261
214=head3 load (player) 262=head3 load (player -- )
215 263
216Invoked whenever a player has been loaded from disk, but before 264Invoked whenever a player has been loaded from disk, but before
217actual login. 265actual login.
218 266
219=head3 save (player) 267=head3 save (player -- )
220 268
221Invoked just before a player gets saved. 269Invoked just before a player gets serialised.
270
271=head3 save_done (player -- )
272
273Invoked just after a player was serialised.
274
275=head3 connect (player -- )
276
277Invoked just after the player object was connected to a client.
278
279=head3 disconnect (player -- )
280
281Invoked just before the player gets disconnected from the client.
222 282
223=head3 login (player) 283=head3 login (player)
224 284
225Invoked whenever a player logs in. 285Invoked whenever a player logs in.
226 286
227=head3 logout (player) 287=head3 logout (player cleanly -- )
228 288
229Invoked whenever a player logs out, gets disconnected etc. 289Invoked whenever a player logs out, gets disconnected etc.
230 290
231=head3 death (player) 291=head3 death (player)
232 292
233Invoked whenever a player dies, before the death actually gets processed. 293Invoked whenever a player dies, before the death actually gets processed.
234 294
235=head3 map_change (player oldmap newmap) 295=head3 map_change (player newmap x y -- )
236 296
237Invoked whenever a player moves from one map to another. 297Invoked before a player moves from one map to another, can override the movement.
298
299=head3 region_change (player newregion oldregion -- )
300
301Invoked when a player entered a new region. Cannot be overriden.
302
303=head3 command (player command args -- time)
304
305Execute a user command send by the client. Programmable plug-ins usually
306handle this event internally.
238 307
239=head3 extcmd (player string) 308=head3 extcmd (player string)
240 309
241Invoked whenever a client issues the C<extcmd> protocol command. It's 310Invoked whenever a client issues the C<extcmd> protocol command.
242argument is passed without any changes. 311Programmable plug-ins usually handle this event internally.
243 312
244=head3 move (player direction -- ) 313=head3 move (player direction -- )
314
315Called whenever the player is supposed to move or attack. The handler
316must handle the cases of speed_left or weapon_sp_left being negative,
317fire being on, is responsible for decreaseing the speed_left value
318on successful moves etc. etc.. When overriden, must return a boolean
319indicating wether a move could be effected.
245 320
246=head3 pray_altar (player altar skill -- ) 321=head3 pray_altar (player altar skill -- )
247 322
248Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>. 323Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>.
249 324
250=head3 tell (player name message -- ) 325=head3 tell (player name message -- )
251 326
252Invoked whenever the player uses the B<tell> or B<reply> command, before 327Invoked whenever the player uses the B<tell> or B<reply> command, before
253it gets processed. 328it gets processed.
254 329
330=head3 told (player player message -- )
331
332Invoked right before a message is being told to a player using B<tell> or
333B<reply>.
334
255=head3 say (player message --) 335=head3 say (player message --)
256 336
257=head3 chat (player message --) 337=head3 chat (player message --)
258 338
259=head3 shout (player message --) 339=head3 shout (player message --)
270=head3 instantiate (map) 350=head3 instantiate (map)
271 351
272Original B<map> has been loaded (e.g. on first use, or after a map 352Original B<map> has been loaded (e.g. on first use, or after a map
273reset). 353reset).
274 354
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) 355=head3 swapin (map)
289 356
290Invoked when a previously swapped-out temporary B<map> has been loaded again. 357Invoked when a previously swapped-out temporary B<map> has been loaded again.
291 358
292=head3 swapout (map) 359=head3 swapout (map)
299 366
300=head3 clean (map) 367=head3 clean (map)
301 368
302Invoked when a temporary B<map> gets deleted on-disk. 369Invoked when a temporary B<map> gets deleted on-disk.
303 370
304=head3 enter (map player) 371=head3 enter (map player x y -- )
305 372
306Invoked whenever a player enters the B<map>. This event is likely unreliable. 373Invoked whenever a player tries to enter the B<map>, while he/she is still
374on the old map. Overriding means the player won't be able to enter, and,
375if newmap/x/y are given, will be redirected to that map instead.
307 376
308=head3 leave (map player) 377=head3 leave (map player -- )
309 378
310Invoked whenever a player leaves the B<map>. This event is likely unreliable. 379Invoked whenever a player tries to leave the B<map>. Overriding means the
380player won't be able to leave.
311 381
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) 382=head3 trigger (map connection state who? -- )
317 383
318Invoked whenever something activates a B<connection> on the B<map>. If B<state> 384Invoked 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'. 385is true the connection was 'state' and if false it is 'released'.
386
387
388=head2 CLIENT EVENTS
389
390These events are very similar to player events, but they are might be
391handled asynchronously as soon as the command reaches the server, even when
392the player hasn't logged in yet (meaning there is no player yet).
393
394=head3 connect (client -- )
395
396Called as soon as a new connection to the server is established. Should
397not be overriden.
398
399=head3 setup (client string -- )
400
401Client sent the setup command to negotiate parameters. Handling is
402mandatory and done by F<login.ext>.
403
404=head3 addme (client -- )
405
406The client sent an addme, thus ending the initial handshaking. Handling is mandatory
407and done by F<login.ext>.
408
409=head3 reply (client replystring -- )
410
411Called when the client submits a reply in the ST_CUSTOM state. Usually
412handled internally by language plugins.
413
414=head3 exticmd (client string -- )
415
416Like C<extcmd>, but can be called before a player has logged in.
417
418Programmable plug-ins usually handle this event internally.
419

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