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Comparing deliantra/server/include/object.h (file contents):
Revision 1.163 by root, Sun Apr 20 23:25:09 2008 UTC vs.
Revision 1.179 by root, Mon Jul 14 23:57:46 2008 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
74 * Each object (this also means archetypes!) could have a few of these 74 * Each object (this also means archetypes!) could have a few of these
75 * "dangling" from it; this could also end up containing 'parse errors'. 75 * "dangling" from it; this could also end up containing 'parse errors'.
76 * 76 *
77 * key and value are shared-strings. 77 * key and value are shared-strings.
78 * 78 *
79 * Please use get_ob_key_value(), set_ob_key_value() from object.c rather than 79 * Please use kv_get/kv_set/kv_del from object rather than
80 * accessing the list directly. 80 * accessing the list directly.
81 * Exception is if you want to walk this list for some reason. 81 * Exception is if you want to walk this list for some reason.
82 */ 82 */
83struct key_value 83struct key_value : slice_allocated
84{ 84{
85 key_value *next; 85 key_value *next;
86 shstr key, value; 86 shstr key, value;
87}; 87};
88 88
177 177
178 float ACC (RW, speed); /* The overall speed of this object */ 178 float ACC (RW, speed); /* The overall speed of this object */
179 float ACC (RW, speed_left); /* How much speed is left to spend this round */ 179 float ACC (RW, speed_left); /* How much speed is left to spend this round */
180 uint32 ACC (RW, nrof); /* How many of the objects */ 180 uint32 ACC (RW, nrof); /* How many of the objects */
181 181
182 /* This next big block are basically used for monsters and equipment */ 182 /* This next big block is basically used for monsters and equipment */
183 uint16 ACC (RW, client_type); /* Public type information. see doc/Developers/objects */ 183 uint16 ACC (RW, client_type); /* Public type information. see doc/Developers/objects */
184 184
185 sint16 ACC (RW, resist[NROFATTACKS]); /* Resistance adjustments for attacks */ 185 sint16 ACC (RW, resist[NROFATTACKS]); /* Resistance adjustments for attacks */
186 uint32 ACC (RW, attacktype); /* Bitmask of attacks this object does */ 186 uint32 ACC (RW, attacktype); /* Bitmask of attacks this object does */
187 uint32 ACC (RW, path_attuned);/* Paths the object is attuned to */ 187 uint32 ACC (RW, path_attuned);/* Paths the object is attuned to */
204 sint8 ACC (RW, item_power); /* power rating of the object */ 204 sint8 ACC (RW, item_power); /* power rating of the object */
205 sint8 ACC (RW, gen_sp_armour);/* sp regen penalty this object has (was last_heal) */ 205 sint8 ACC (RW, gen_sp_armour);/* sp regen penalty this object has (was last_heal) */
206 sint8 ACC (RW, glow_radius); /* indicates the glow radius of the object */ 206 sint8 ACC (RW, glow_radius); /* indicates the glow radius of the object */
207 sint32 ACC (RW, weight); /* Attributes of the object */ 207 sint32 ACC (RW, weight); /* Attributes of the object */
208 sint32 ACC (RW, weight_limit);/* Weight-limit of object */ 208 sint32 ACC (RW, weight_limit);/* Weight-limit of object */
209 sint32 ACC (RW, carrying); /* How much weight this object contains */ 209 sint32 ACC (RW, carrying); /* How much weight this object contains, must be 0 if nrof == 0 */
210 sint64 ACC (RW, perm_exp); /* Permanent exp */ 210 sint64 ACC (RW, perm_exp); /* Permanent exp */
211 uint32 ACC (RW, weapontype); /* type of weapon */ 211 uint32 ACC (RW, weapontype); /* type of weapon */
212 uint32 ACC (RW, tooltype); /* type of tool or build facility */ 212 uint32 ACC (RW, tooltype); /* type of tool or build facility */
213 body_slot slot [NUM_BODY_LOCATIONS]; 213 body_slot slot [NUM_BODY_LOCATIONS];
214 faceidx ACC (RW, face); /* the graphical face */ 214 faceidx ACC (RW, face); /* the graphical face */
260 bool ACC (RW, flag[NUM_FLAGS]); 260 bool ACC (RW, flag[NUM_FLAGS]);
261#endif 261#endif
262 uint16 ACC (RW, animation_id);/* An index into the animation array */ 262 uint16 ACC (RW, animation_id);/* An index into the animation array */
263 uint8 ACC (RW, anim_speed); /* ticks between animation-frames */ 263 uint8 ACC (RW, anim_speed); /* ticks between animation-frames */
264 uint8 ACC (RW, last_anim); /* last sequence used to draw face */ 264 uint8 ACC (RW, last_anim); /* last sequence used to draw face */
265 sint16 ACC (RW, elevation); /* elevation of this terrain - not currently used */
266 uint8 ACC (RW, smoothlevel); /* how to smooth this square around */ 265 uint8 ACC (RW, smoothlevel); /* how to smooth this square around */
267 uint8 ACC (RW, will_apply); /* See crossfire.doc */ 266 uint8 ACC (RW, will_apply); /* See crossfire.doc */
267 uint16 ACC (RW, cached_sp); /* cached spell points used for a spell, used by esrv_update_spells */
268 uint16 ACC (RW, cached_grace);/* cached grace points used for a spell, used by esrv_update_spells */
269 uint16 ACC (RW, cached_eat); /* cached food, used by esrv_update_spells */
268}; 270};
269 271
270struct object : zero_initialised, object_copy 272struct object : zero_initialised, object_copy
271{ 273{
272 // These variables are not changed by ->copy_to 274 // These variables are not changed by ->copy_to
294 object *ACC (RW, more); /* Pointer to the rest of a large body of objects */ 296 object *ACC (RW, more); /* Pointer to the rest of a large body of objects */
295 object *head; /* Points to the main object of a large body */ // NO ACC, perl semantics are different 297 object *head; /* Points to the main object of a large body */ // NO ACC, perl semantics are different
296 client_container *seen_by; // seen by which player/container currently? 298 client_container *seen_by; // seen by which player/container currently?
297 key_value *key_values; /* Fields not explictly known by the loader. */ 299 key_value *key_values; /* Fields not explictly known by the loader. */
298 300
301 // privates / perl
302 const shstr &kv_get (const shstr &key) const;
303 void kv_del (const shstr &key);
304 void kv_set (const shstr &key, const shstr &value);
305
306 // custom extra fields management
307 struct key_value_access_proxy
308 {
309 object &ob;
310 shstr key;
311
312 key_value_access_proxy (object &ob, const shstr &key)
313 : ob (ob), key (key)
314 {
315 }
316
317 const key_value_access_proxy &operator =(const shstr &value) const
318 {
319 ob.kv_set (key, value);
320 return *this;
321 }
322
323 operator const shstr &() const { return ob.kv_get (key); }
324 operator const char *() const { return ob.kv_get (key); }
325
326 private:
327 void operator =(int);
328 };
329
330 // operator [] is too annoying to use
331 const key_value_access_proxy kv (const shstr &key)
332 {
333 return key_value_access_proxy (*this, key);
334 }
335
299 bool parse_kv (object_thawer &f); // parse kv pairs, (ab-)used by archetypes, which should not exist at all 336 bool parse_kv (object_thawer &f); // parse kv pairs, (ab-)used by archetypes, which should not exist at all
300 MTH void post_load_check (); // do some adjustments after parsing 337 MTH void post_load_check (); // do some adjustments after parsing
301 static object *read (object_thawer &f, maptile *map = 0); // map argument due to toal design bogosity, must go. 338 static object *read (object_thawer &f, maptile *map = 0); // map argument due to toal design bogosity, must go.
302 bool write (object_freezer &f); 339 bool write (object_freezer &f);
303 340
304 MTH int slottype () const; 341 MTH int slottype () const;
305 MTH static object *create (); 342 MTH static object *create ();
306 const mapxy &operator =(const mapxy &pos); 343 const mapxy &operator =(const mapxy &pos);
307 object &operator =(const object &src);
308 MTH void copy_to (object *dst); 344 MTH void copy_to (object *dst);
309 MTH object *clone (); // create + copy_to 345 MTH object *clone (); // create + copy_to a single object
346 MTH object *deep_clone (); // copy whole more chain and inventory
310 void do_destroy (); 347 void do_destroy ();
311 void gather_callbacks (AV *&callbacks, event_type event) const; 348 void gather_callbacks (AV *&callbacks, event_type event) const;
312 MTH void destroy (bool destroy_inventory = false); 349 MTH void destroy (bool destroy_inventory = false);
313 350
314 // recursively destroy all objects in inventory, optionally dropping them to the ground instead 351 // recursively destroy all objects in inventory, optionally dropping them to the ground instead
315 MTH void destroy_inv (bool drop_to_ground = false); 352 MTH void destroy_inv (bool drop_to_ground = false);
316 MTH object *insert (object *item); // insert into inventory 353 MTH object *insert (object *item); // insert into inventory
317 MTH void play_sound (faceidx sound) const; 354 MTH void play_sound (faceidx sound);
318 355
319 void do_remove (); 356 void do_remove ();
320 MTH void remove () 357 MTH void remove ()
321 { 358 {
322 if (!flag [FLAG_REMOVED]) 359 if (!flag [FLAG_REMOVED])
377 // info must hold 256 * 3 bytes currently 414 // info must hold 256 * 3 bytes currently
378 const char *debug_desc (char *info) const; 415 const char *debug_desc (char *info) const;
379 MTH const char *debug_desc () const; // uses at least 3 round-robin buffers 416 MTH const char *debug_desc () const; // uses at least 3 round-robin buffers
380 const char *flag_desc (char *desc, int len) const; 417 const char *flag_desc (char *desc, int len) const;
381 418
419 MTH bool decrease (sint32 nr = 1); // returns true if anything is left
420 MTH object *split (sint32 nr = 1); // return 0 on failure
421
382 MTH int number_of () const 422 MTH int number_of () const
383 { 423 {
384 return nrof ? nrof : 1; 424 return nrof ? nrof : 1;
385 } 425 }
386 426
387 MTH sint32 total_weight () const 427 MTH sint32 total_weight () const
388 { 428 {
389 return weight * number_of () + carrying; 429 return (weight + carrying) * number_of ();
390 } 430 }
391 431
392 MTH void update_weight (); 432 MTH void update_weight ();
393 433
394 // return the dominant material of this item, always return something 434 // return the dominant material of this item, always return something
427 /* This return true if object has still randomitems which 467 /* This return true if object has still randomitems which
428 * could be expanded. 468 * could be expanded.
429 */ 469 */
430 MTH bool has_random_items () const { return randomitems && !flag [FLAG_IS_A_TEMPLATE]; } 470 MTH bool has_random_items () const { return randomitems && !flag [FLAG_IS_A_TEMPLATE]; }
431 471
472 MTH bool has_dialogue () const { return *&msg == '@'; }
473
474 // returns the outermost owner, never returns 0
475 MTH object *outer_owner ()
476 {
477 for (object *op = this; ; op = op->owner)
478 if (!op->owner)
479 return op;
480 }
481
432 // returns the outermost environment, never returns 0 482 // returns the outermost environment, never returns 0
433 MTH object *outer_env () 483 MTH object *outer_env ()
434 { 484 {
435 for (object *op = this; ; op = op->env) 485 for (object *op = this; ; op = op->env)
436 if (!op->env) 486 if (!op->env)
437 return op; 487 return op;
438 } 488 }
439 489
440 // returns the player that has this object in his inventory, or 0 490 // returns the player that has this object in his inventory, or 0
491 // we assume the player is always the outer env
441 MTH object *in_player () const 492 MTH object *in_player ()
442 { 493 {
443 for (object *op = env; op; op = op->env) 494 object *op = outer_env ();
444 if (op->type == PLAYER)
445 return op;
446 495
447 return 0; 496 return op->type == PLAYER ? op : 0;
448 } 497 }
449 498
450 // "temporary" helper function 499 // "temporary" helper function
451 MTH object *head_ () 500 MTH object *head_ ()
452 { 501 {
455 504
456 MTH bool is_head () 505 MTH bool is_head ()
457 { 506 {
458 return head_ () == this; 507 return head_ () == this;
459 } 508 }
509
510 MTH bool is_on_map () const
511 {
512 return !env && !flag [FLAG_REMOVED];
513 }
514
515 // returns the player that cna see this object, if any
516 MTH object *visible_to () const;
460 517
461 MTH std::string long_desc (object *who = 0); 518 MTH std::string long_desc (object *who = 0);
462 MTH std::string describe_monster (object *who = 0); 519 MTH std::string describe_monster (object *who = 0);
463 MTH std::string describe_item (object *who = 0); 520 MTH std::string describe_item (object *who = 0);
464 MTH std::string describe (object *who = 0); 521 MTH std::string describe (object *who = 0);
484 // set the given flag on all objects in the inventory recursively 541 // set the given flag on all objects in the inventory recursively
485 MTH void set_flag_inv (int flag, int value = 1); 542 MTH void set_flag_inv (int flag, int value = 1);
486 543
487 void enter_exit (object *exit);//Perl 544 void enter_exit (object *exit);//Perl
488 MTH void enter_map (maptile *newmap, int x, int y); 545 MTH void enter_map (maptile *newmap, int x, int y);
546 void player_goto (const char *path, int x, int y); // only for players
489 547
490 // returns the mapspace this object is in 548 // returns the mapspace this object is in
491 mapspace &ms () const; 549 mapspace &ms () const;
492 550
493 // fully recursive iterator 551 // fully recursive iterator
529 { 587 {
530 return this; 588 return this;
531 } 589 }
532 590
533 /* This returns TRUE if the object is something that 591 /* This returns TRUE if the object is something that
534 * should be displayed in the floorbox/inventory window 592 * a client might want to know about.
535 */ 593 */
536 MTH bool client_visible () const 594 MTH bool client_visible () const
537 { 595 {
538 return !invisible && type != PLAYER; 596 return !invisible && type != PLAYER;
597 }
598
599 // the client does nrof * this weight
600 MTH sint32 client_weight () const
601 {
602 return weight + carrying;
539 } 603 }
540 604
541 MTH struct region *region () const; 605 MTH struct region *region () const;
542 606
543 void statusmsg (const char *msg, int color = NDI_BLACK); 607 void statusmsg (const char *msg, int color = NDI_BLACK);
552 void link (); 616 void link ();
553 void unlink (); 617 void unlink ();
554 618
555 object (); 619 object ();
556 ~object (); 620 ~object ();
621
622private:
623 object &operator =(const object &);
624 object (const object &);
557}; 625};
558 626
559// move this object to the top of its env's inventory to speed up 627// move this object to the top of its env's inventory to speed up
560// searches for it. 628// searches for it.
561static object * 629static object *
614 MTH static archetype *find (const_utf8_string name); 682 MTH static archetype *find (const_utf8_string name);
615 683
616 MTH void link (); 684 MTH void link ();
617 MTH void unlink (); 685 MTH void unlink ();
618 686
687 MTH static object *get (const char *name); // (find() || singularity)->instance()
619 MTH object *instance (); 688 MTH object *instance ();
620 689
621 object_vector_index ACC (RW, archid); // index in archvector 690 object_vector_index ACC (RW, archid); // index in archvector
622 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */ 691 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */
623 692
628 static archetype *read (object_thawer &f); 697 static archetype *read (object_thawer &f);
629 MTH static void commit_load (); // commit any objects loaded, resolves cyclic dependencies and more 698 MTH static void commit_load (); // commit any objects loaded, resolves cyclic dependencies and more
630 static void postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch); /* postpone other_arch reference */ 699 static void postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch); /* postpone other_arch reference */
631}; 700};
632 701
702// compatbiility, remove once replaced by ->instance
703inline object *
704arch_to_object (archetype *at)
705{
706 return at->instance ();
707}
708
633inline void 709inline void
634object_freezer::put (keyword k, archetype *v) 710object_freezer::put (keyword k, archetype *v)
635{ 711{
636 put (k, v ? &v->archname : (const char *)0); 712 put (k, v ? &v->archname : (const char *)0);
637} 713}
642 718
643extern objectvec objects; 719extern objectvec objects;
644extern activevec actives; 720extern activevec actives;
645extern archvec archetypes; 721extern archvec archetypes;
646 722
723// "safely" iterate over inv in a way such that the current item is removable
724// quite horrible, thats why its hidden in some macro
725#define for_inv_removable(op,var) \
726 for (object *var, *next_ = (op)->inv; (var = next_), var && (next_ = var->below), var; )
727
647#define for_all_objects(var) \ 728#define for_all_objects(var) \
648 for (unsigned _i = 0; _i < objects.size (); ++_i) \ 729 for (unsigned _i = 0; _i < objects.size (); ++_i) \
649 statementvar (object *, var, objects [_i]) 730 statementvar (object *, var, objects [_i])
650 731
651#define for_all_actives(var) \ 732#define for_all_actives(var) \
652 for (unsigned _i = 0; _i < actives.size (); ++_i) \ 733 for (unsigned _i = 0; _i < actives.size (); ++_i) \
653 statementvar (object *, var, actives [_i]) 734 statementvar (object *, var, actives [_i])
654 735
655#define for_all_archetypes(var) \ 736#define for_all_archetypes(var) \
656 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \ 737 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \
657 statementvar (archetype *, var, archetypes [_i]) 738 statementvar (archetype *, var, archetypes [_i])
658 739
659/* Used by update_object to know if the object being passed is 740/* Used by update_object to know if the object being passed is
660 * being added or removed. 741 * being added or removed.

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