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Comparing deliantra/server/include/object.h (file contents):
Revision 1.157 by root, Fri Apr 11 14:09:56 2008 UTC vs.
Revision 1.181 by root, Fri Sep 19 01:39:45 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
175 arch_ptr ACC (RW, arch); /* Pointer to archetype */ 175 arch_ptr ACC (RW, arch); /* Pointer to archetype */
176 arch_ptr ACC (RW, other_arch);/* Pointer used for various things - mostly used for what */ 176 arch_ptr ACC (RW, other_arch);/* Pointer used for various things - mostly used for what */
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 sint32 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 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 uint64 total_weight () const 427 MTH sint32 total_weight () const
388 { 428 {
389 return weight * number_of (); 429 return (weight + carrying) * number_of ();
390 } 430 }
431
432 MTH void update_weight ();
391 433
392 // return the dominant material of this item, always return something 434 // return the dominant material of this item, always return something
393 const materialtype_t *dominant_material () const; 435 const materialtype_t *dominant_material () const;
394 436
395 // return the volume of this object in cm³ 437 // return the volume of this object in cm³
396 uint64 volume () const 438 MTH uint64 volume () const
397 { 439 {
398 return total_weight () 440 return total_weight ()
399 * 1000 441 * 1000
400 * (type == CONTAINER ? 1000 : 1) 442 * (type == CONTAINER ? 1000 : 1)
401 / dominant_material ()->density; 443 / dominant_material ()->density;
425 /* This return true if object has still randomitems which 467 /* This return true if object has still randomitems which
426 * could be expanded. 468 * could be expanded.
427 */ 469 */
428 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]; }
429 471
472 MTH bool has_dialogue () const { return *&msg == '@'; }
473
474 // returns the outermost owner, never returns 0
475 MTH object *outer_owner ()
476 {
477 object *op;
478
479 for (op = this; op->owner; op = op->owner)
480 ;
481
482 return op;
483 }
484
485 // returns the outermost environment, never returns 0
486 MTH object *outer_env ()
487 {
488 object *op;
489
490 for (op = this; op->env; op = op->env)
491 ;
492
493 return op;
494 }
495
430 // returns the player that has this object in his inventory, or 0 496 // returns the player that has this object in his inventory, or 0
497 // we assume the player is always the outer env
431 MTH object *in_player () const 498 MTH object *in_player ()
432 { 499 {
433 for (object *op = env; op; op = op->env) 500 object *op = outer_env ();
434 if (op->type == PLAYER)
435 return op;
436 501
437 return 0; 502 return op->type == PLAYER ? op : 0;
438 } 503 }
439 504
440 // "temporary" helper function 505 // "temporary" helper function
441 MTH object *head_ () 506 MTH object *head_ ()
442 { 507 {
445 510
446 MTH bool is_head () 511 MTH bool is_head ()
447 { 512 {
448 return head_ () == this; 513 return head_ () == this;
449 } 514 }
515
516 MTH bool is_on_map () const
517 {
518 return !env && !flag [FLAG_REMOVED];
519 }
520
521 // returns the player that cna see this object, if any
522 MTH object *visible_to () const;
450 523
451 MTH std::string long_desc (object *who = 0); 524 MTH std::string long_desc (object *who = 0);
452 MTH std::string describe_monster (object *who = 0); 525 MTH std::string describe_monster (object *who = 0);
453 MTH std::string describe_item (object *who = 0); 526 MTH std::string describe_item (object *who = 0);
454 MTH std::string describe (object *who = 0); 527 MTH std::string describe (object *who = 0);
469 MTH void activate (); 542 MTH void activate ();
470 MTH void deactivate (); 543 MTH void deactivate ();
471 MTH void activate_recursive (); 544 MTH void activate_recursive ();
472 MTH void deactivate_recursive (); 545 MTH void deactivate_recursive ();
473 546
474 // set the givne flag on all objects in the inventory recursively 547 // set the given flag on all objects in the inventory recursively
475 MTH void set_flag_inv (int flag, int value = 1); 548 MTH void set_flag_inv (int flag, int value = 1);
476 549
477 void enter_exit (object *exit);//Perl 550 void enter_exit (object *exit);//Perl
478 MTH void enter_map (maptile *newmap, int x, int y); 551 MTH void enter_map (maptile *newmap, int x, int y);
552 void player_goto (const char *path, int x, int y); // only for players
479 553
480 // returns the mapspace this object is in 554 // returns the mapspace this object is in
481 mapspace &ms () const; 555 mapspace &ms () const;
482 556
483 // fully recursive iterator 557 // fully recursive iterator
519 { 593 {
520 return this; 594 return this;
521 } 595 }
522 596
523 /* This returns TRUE if the object is something that 597 /* This returns TRUE if the object is something that
524 * should be displayed in the floorbox/inventory window 598 * a client might want to know about.
525 */ 599 */
526 MTH bool client_visible () const 600 MTH bool client_visible () const
527 { 601 {
528 return !invisible && type != PLAYER; 602 return !invisible && type != PLAYER;
603 }
604
605 // the client does nrof * this weight
606 MTH sint32 client_weight () const
607 {
608 return weight + carrying;
529 } 609 }
530 610
531 MTH struct region *region () const; 611 MTH struct region *region () const;
532 612
533 void statusmsg (const char *msg, int color = NDI_BLACK); 613 void statusmsg (const char *msg, int color = NDI_BLACK);
542 void link (); 622 void link ();
543 void unlink (); 623 void unlink ();
544 624
545 object (); 625 object ();
546 ~object (); 626 ~object ();
627
628private:
629 object &operator =(const object &);
630 object (const object &);
547}; 631};
548 632
549// move this object to the top of its env's inventory to speed up 633// move this object to the top of its env's inventory to speed up
550// searches for it. 634// searches for it.
551static object * 635static object *
572} objectlink; 656} objectlink;
573 657
574typedef struct oblinkpt 658typedef struct oblinkpt
575{ /* Used to link together several object links */ 659{ /* Used to link together several object links */
576 struct oblnk *link; 660 struct oblnk *link;
577 long value; /* Used as connected value in buttons/gates */ 661 sint32 value; /* Used as connected value in buttons/gates */
578 struct oblinkpt *next; 662 struct oblinkpt *next;
579} oblinkpt; 663} oblinkpt;
580 664
581object *find_skill_by_name (object *who, const char *name); 665object *find_skill_by_name (object *who, const char *name);
582object *find_skill_by_name (object *who, const shstr &sh); 666object *find_skill_by_name (object *who, const shstr &sh);
592 */ 676 */
593 677
594INTERFACE_CLASS (archetype) 678INTERFACE_CLASS (archetype)
595struct archetype : object 679struct archetype : object
596{ 680{
681 static arch_ptr empty; // the empty_archetype
682 MTH static void gc ();
683
597 archetype (const char *name); 684 archetype (const char *name);
598 ~archetype (); 685 ~archetype ();
599 void gather_callbacks (AV *&callbacks, event_type event) const; 686 void gather_callbacks (AV *&callbacks, event_type event) const;
600 687
601 static archetype *read (object_thawer &f);
602
603 MTH static archetype *get (const_utf8_string name); // find or create
604 MTH static archetype *find (const_utf8_string name); 688 MTH static archetype *find (const_utf8_string name);
605 689
606 MTH void link (); 690 MTH void link ();
607 MTH void unlink (); 691 MTH void unlink ();
608 692
693 MTH static object *get (const char *name); // (find() || singularity)->instance()
609 MTH object *instance (); 694 MTH object *instance ();
610 695
611 object_vector_index ACC (RW, archid); // index in archvector 696 object_vector_index ACC (RW, archid); // index in archvector
612 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */ 697 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */
613 bool ACC (RW, stub); // if true, this is an invalid archetype
614 698
615 sint8 ACC (RW, min_x), ACC (RW, min_y); /* extents, compared to the head (min_x, min_y should be zero, but aren't...) */ 699 sint8 ACC (RW, min_x), ACC (RW, min_y); /* extents, compared to the head (min_x, min_y should be zero, but aren't...) */
616 sint8 ACC (RW, max_x), ACC (RW, max_y); 700 sint8 ACC (RW, max_x), ACC (RW, max_y);
701
702 // support for archetype loading
703 static archetype *read (object_thawer &f);
704 MTH static void commit_load (); // commit any objects loaded, resolves cyclic dependencies and more
705 static void postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch); /* postpone other_arch reference */
617}; 706};
707
708// compatbiility, remove once replaced by ->instance
709inline object *
710arch_to_object (archetype *at)
711{
712 return at->instance ();
713}
618 714
619inline void 715inline void
620object_freezer::put (keyword k, archetype *v) 716object_freezer::put (keyword k, archetype *v)
621{ 717{
622 put (k, v ? &v->archname : (const char *)0); 718 put (k, v ? &v->archname : (const char *)0);
628 724
629extern objectvec objects; 725extern objectvec objects;
630extern activevec actives; 726extern activevec actives;
631extern archvec archetypes; 727extern archvec archetypes;
632 728
729// "safely" iterate over inv in a way such that the current item is removable
730// quite horrible, thats why its hidden in some macro
731#define for_inv_removable(op,var) \
732 for (object *var, *next_ = (op)->inv; (var = next_), var && (next_ = var->below), var; )
733
633#define for_all_objects(var) \ 734#define for_all_objects(var) \
634 for (unsigned _i = 0; _i < objects.size (); ++_i) \ 735 for (unsigned _i = 0; _i < objects.size (); ++_i) \
635 statementvar (object *, var, objects [_i]) 736 statementvar (object *, var, objects [_i])
636 737
637#define for_all_actives(var) \ 738#define for_all_actives(var) \
638 for (unsigned _i = 0; _i < actives.size (); ++_i) \ 739 for (unsigned _i = 0; _i < actives.size (); ++_i) \
639 statementvar (object *, var, actives [_i]) 740 statementvar (object *, var, actives [_i])
640 741
641#define for_all_archetypes(var) \ 742#define for_all_archetypes(var) \
642 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \ 743 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \
643 statementvar (archetype *, var, archetypes [_i]) 744 statementvar (archetype *, var, archetypes [_i])
644 745
645/* Used by update_object to know if the object being passed is 746/* Used by update_object to know if the object being passed is
646 * being added or removed. 747 * being added or removed.

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