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Revision 1.23 by root, Sat Nov 10 22:41:59 2007 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 -- )
114Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>, 143Unwield/unapply/unready the given spell/weapon/skill/etc. B<object>,
115currently applied by B<who>. If your override, make sure you give 'who' 144currently 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 145(if it is a player) an indication of whats wrong. Must return true if the
117object was freed. 146object was freed.
118 147
119=head3 use_skill (skill who part direction strignarg -- ) 148=head3 use_skill (skill who part direction stringarg -- )
120 149
121Invoked whenever a skill is used by somebody or something. 150Invoked whenever a skill is used by somebody or something.
122 151
123=head3 cast_spell (spell casting_object owner direction stringarg -- ) 152=head3 cast_spell (spell owner casting_object direction stringarg -- )
124 153
125Invoked whenever a given spell is cast by B<casting_object> (used by 154Invoked whenever a given spell is cast by B<casting_object> (used by
126B<owner>). 155B<owner>).
127 156
128=head3 drop (object who -- ) 157=head3 drop (object who -- )
174 203
175Invoked whenever a trap-like B<object> has been activated, usually by 204Invoked whenever a trap-like B<object> has been activated, usually by
176moving onto it. This includes not just traps, but also buttons, holes, 205moving onto it. This includes not just traps, but also buttons, holes,
177signs and similar stuff. 206signs and similar stuff.
178 207
208=head3 open (container who -- )
209
210Invoked whenever a container gets opened. When overriden, the container will not
211get opened, but you must tell op about the reason.
212
179=head3 close (container who -- ) 213=head3 close (container who -- )
180 214
181Invoked whenever a container gets closed (this event is not yet reliable!). 215Invoked whenever a container gets closed. When overriden, the container
216will 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
218without this event being invoked.
182 219
183 220
184=head2 GLOBAL EVENTS 221=head2 GLOBAL EVENTS
185 222
186Global events have no relation to specific objects. 223Global events have no relation to specific objects.
187 224
225=head3 cleanup ()
226
227Called when the server is cleaning up, just before it calls exit.
228
188=head3 clock ( ) 229=head3 clock ( )
189 230
190Is invoked on every server tick, usually every 0.12 seconds. 231Is invoked on every server tick, usually every 0.12 seconds.
191 232
233
192=head2 PLAYER EVENTS 234=head2 PLAYER EVENTS
193 235
194Player events always have a player object as first argument. 236Player events always have a player object as first argument.
195 237
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) 238=head3 birth (player)
203 239
204Invoked as very first thing after creating a player. 240Invoked as very first thing after creating a player.
205 241
206=head3 quit (player) 242=head3 quit (player)
207 243
208Invoked wheneever a player quits, before actually removing him/her. 244Invoked wheneever a player quits, before actually removing him/her.
209 245
210=head3 kick (player params -- ) 246=head3 kick (player params -- )
211 247
212Invoked when the given plaer is being kicked, before the kick is executed. 248Invoked when the given player is being kicked, before the kick is
249executed.
213 250
214=head3 load (player) 251=head3 load (player -- )
215 252
216Invoked whenever a player has been loaded from disk, but before 253Invoked whenever a player has been loaded from disk, but before
217actual login. 254actual login.
218 255
219=head3 save (player) 256=head3 save (player -- )
220 257
221Invoked just before a player gets saved. 258Invoked just before a player gets serialised.
259
260=head3 save_done (player -- )
261
262Invoked just after a player was serialised.
263
264=head3 connect (player -- )
265
266Invoked just after the player object was connected to a client.
267
268=head3 disconnect (player -- )
269
270Invoked just before the player gets disconnected from the client.
222 271
223=head3 login (player) 272=head3 login (player)
224 273
225Invoked whenever a player logs in. 274Invoked whenever a player logs in.
226 275
227=head3 logout (player) 276=head3 logout (player cleanly -- )
228 277
229Invoked whenever a player logs out, gets disconnected etc. 278Invoked whenever a player logs out, gets disconnected etc.
230 279
231=head3 death (player) 280=head3 death (player)
232 281
233Invoked whenever a player dies, before the death actually gets processed. 282Invoked whenever a player dies, before the death actually gets processed.
234 283
235=head3 map_change (player oldmap newmap) 284=head3 map_change (player newmap x y -- )
236 285
237Invoked whenever a player moves from one map to another. 286Invoked before a player moves from one map to another, can override the movement.
287
288=head3 region_change (player newregion oldregion -- )
289
290Invoked when a player entered a new region. Cannot be overriden.
291
292=head3 command (player command args -- time)
293
294Execute a user command send by the client. Programmable plug-ins usually
295handle this event internally.
238 296
239=head3 extcmd (player string) 297=head3 extcmd (player string)
240 298
241Invoked whenever a client issues the C<extcmd> protocol command. It's 299Invoked whenever a client issues the C<extcmd> protocol command.
242argument is passed without any changes. 300Programmable plug-ins usually handle this event internally.
243 301
244=head3 move (player direction -- ) 302=head3 move (player direction -- )
303
304Called whenever the player is supposed to move or attack. The handler
305must handle the cases of speed_left or weapon_sp_left being negative,
306fire being on, is responsible for decreaseing the speed_left value
307on successful moves etc. etc.. When overriden, must return a boolean
308indicating wether a move could be effected.
245 309
246=head3 pray_altar (player altar skill -- ) 310=head3 pray_altar (player altar skill -- )
247 311
248Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>. 312Invoked whenever the B<player> prays over an B<altar>, using the given B<skill>.
249 313
250=head3 tell (player name message -- ) 314=head3 tell (player name message -- )
251 315
252Invoked whenever the player uses the B<tell> or B<reply> command, before 316Invoked whenever the player uses the B<tell> or B<reply> command, before
253it gets processed. 317it gets processed.
254 318
319=head3 told (player player message -- )
320
321Invoked right before a message is being told to a player using B<tell> or
322B<reply>.
323
255=head3 say (player message --) 324=head3 say (player message --)
256 325
257=head3 chat (player message --) 326=head3 chat (player message --)
258 327
259=head3 shout (player message --) 328=head3 shout (player message --)
270=head3 instantiate (map) 339=head3 instantiate (map)
271 340
272Original B<map> has been loaded (e.g. on first use, or after a map 341Original B<map> has been loaded (e.g. on first use, or after a map
273reset). 342reset).
274 343
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) 344=head3 swapin (map)
289 345
290Invoked when a previously swapped-out temporary B<map> has been loaded again. 346Invoked when a previously swapped-out temporary B<map> has been loaded again.
291 347
292=head3 swapout (map) 348=head3 swapout (map)
299 355
300=head3 clean (map) 356=head3 clean (map)
301 357
302Invoked when a temporary B<map> gets deleted on-disk. 358Invoked when a temporary B<map> gets deleted on-disk.
303 359
304=head3 enter (map player) 360=head3 enter (map player x y -- )
305 361
306Invoked whenever a player enters the B<map>. This event is likely unreliable. 362Invoked whenever a player tries to enter the B<map>, while he/she is still
363on the old map. Overriding means the player won't be able to enter, and,
364if newmap/x/y are given, will be redirected to that map instead.
307 365
308=head3 leave (map player) 366=head3 leave (map player -- )
309 367
310Invoked whenever a player leaves the B<map>. This event is likely unreliable. 368Invoked whenever a player tries to leave the B<map>. Overriding means the
369player won't be able to leave.
311 370
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) 371=head3 trigger (map connection state -- )
317 372
318Invoked whenever something activates a B<connection> on the B<map>. If B<state> 373Invoked 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'. 374is true the connection was 'state' and if false it is 'released'.
375
376
377=head2 CLIENT EVENTS
378
379These events are very similar to player events, but they are might be
380handled asynchronously as soon as the command reaches the server, even when
381the player hasn't logged in yet (meaning there is no player yet).
382
383=head3 connect (client -- )
384
385Called as soon as a new connection to the server is established. Should
386not be overriden.
387
388=head3 setup (client string -- )
389
390Client sent the setup command to negotiate parameters. Handling is
391mandatory and done by F<login.ext>.
392
393=head3 addme (client -- )
394
395The client sent an addme, thus ending the initial handshaking. Handling is mandatory
396and done by F<login.ext>.
397
398=head3 reply (client replystring -- )
399
400Called when the client submits a reply in the ST_CUSTOM state. Usually
401handled internally by language plugins.
402
403=head3 exticmd (client string -- )
404
405Like C<extcmd>, but can be called before a player has logged in.
406
407Programmable plug-ins usually handle this event internally.
408

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