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Comparing deliantra/server/include/object.h (file contents):
Revision 1.153 by root, Thu Nov 8 19:43:24 2007 UTC vs.
Revision 1.178 by elmex, Sun Jun 15 19:34:31 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
65 const char *nonuse_name; /* Name to describe objects we can't use */ 65 const char *nonuse_name; /* Name to describe objects we can't use */
66} Body_Locations; 66} Body_Locations;
67 67
68extern Body_Locations body_locations[NUM_BODY_LOCATIONS]; 68extern Body_Locations body_locations[NUM_BODY_LOCATIONS];
69 69
70#define NUM_COINS 4 /* number of coin types */
71extern const char *const coins[NUM_COINS + 1];
72
70/* 73/*
71 * 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
72 * "dangling" from it; this could also end up containing 'parse errors'. 75 * "dangling" from it; this could also end up containing 'parse errors'.
73 * 76 *
74 * key and value are shared-strings. 77 * key and value are shared-strings.
75 * 78 *
76 * 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
77 * accessing the list directly. 80 * accessing the list directly.
78 * 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.
79 */ 82 */
80struct key_value 83struct key_value : slice_allocated
81{ 84{
82 key_value *next; 85 key_value *next;
83 shstr key, value; 86 shstr key, value;
84}; 87};
85 88
86struct UUID 89struct UUID
87{ 90{
88 uint64 seq; 91 uint64 seq;
92
93 static UUID cur; // last uuid generated
94 static void init ();
95 static UUID gen ();
89 96
90 UUID () { } 97 UUID () { }
91 UUID (uint64 seq) : seq(seq) { } 98 UUID (uint64 seq) : seq(seq) { }
92 operator uint64() { return seq; } 99 operator uint64() { return seq; }
93 void operator =(uint64 seq) { this->seq = seq; } 100 void operator =(uint64 seq) { this->seq = seq; }
101
102 typedef char BUF [32];
103
104 bool parse (const char *s)
105 {
106 return sscanf (s, "<1.%" SCNx64 ">", &seq) == 1;
107 }
108
109 const char *c_str (char *buf, int len) const
110 {
111 snprintf (buf, len, "<1.%" PRIx64 ">", seq);
112
113 return buf;
114 }
115
116 const char *c_str () const
117 {
118 static BUF buf;
119
120 return c_str (buf, sizeof (buf));
121 }
94}; 122};
95
96extern void init_uuid ();
97extern UUID gen_uuid ();
98extern const uint64 UUID_SKIP;
99 123
100/* Definition for WILL_APPLY values. Replaces having harcoded values 124/* Definition for WILL_APPLY values. Replaces having harcoded values
101 * sprinkled in the code. Note that some of these also replace fields 125 * sprinkled in the code. Note that some of these also replace fields
102 * that were in the can_apply area. What is the point of having both 126 * that were in the can_apply area. What is the point of having both
103 * can_apply and will_apply? 127 * can_apply and will_apply?
153 177
154 float ACC (RW, speed); /* The overall speed of this object */ 178 float ACC (RW, speed); /* The overall speed of this object */
155 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 */
156 uint32 ACC (RW, nrof); /* How many of the objects */ 180 uint32 ACC (RW, nrof); /* How many of the objects */
157 181
158 /* This next big block are basically used for monsters and equipment */ 182 /* This next big block is basically used for monsters and equipment */
159 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 */
160 184
161 sint16 ACC (RW, resist[NROFATTACKS]); /* Resistance adjustments for attacks */ 185 sint16 ACC (RW, resist[NROFATTACKS]); /* Resistance adjustments for attacks */
162 uint32 ACC (RW, attacktype); /* Bitmask of attacks this object does */ 186 uint32 ACC (RW, attacktype); /* Bitmask of attacks this object does */
163 uint32 ACC (RW, path_attuned);/* Paths the object is attuned to */ 187 uint32 ACC (RW, path_attuned);/* Paths the object is attuned to */
180 sint8 ACC (RW, item_power); /* power rating of the object */ 204 sint8 ACC (RW, item_power); /* power rating of the object */
181 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) */
182 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 */
183 sint32 ACC (RW, weight); /* Attributes of the object */ 207 sint32 ACC (RW, weight); /* Attributes of the object */
184 sint32 ACC (RW, weight_limit);/* Weight-limit of object */ 208 sint32 ACC (RW, weight_limit);/* Weight-limit of object */
185 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 */
186 sint64 ACC (RW, perm_exp); /* Permanent exp */ 210 sint64 ACC (RW, perm_exp); /* Permanent exp */
187 uint32 ACC (RW, weapontype); /* type of weapon */ 211 uint32 ACC (RW, weapontype); /* type of weapon */
188 uint32 ACC (RW, tooltype); /* type of tool or build facility */ 212 uint32 ACC (RW, tooltype); /* type of tool or build facility */
189 body_slot slot [NUM_BODY_LOCATIONS]; 213 body_slot slot [NUM_BODY_LOCATIONS];
190 faceidx ACC (RW, face); /* the graphical face */ 214 faceidx ACC (RW, face); /* the graphical face */
236 bool ACC (RW, flag[NUM_FLAGS]); 260 bool ACC (RW, flag[NUM_FLAGS]);
237#endif 261#endif
238 uint16 ACC (RW, animation_id);/* An index into the animation array */ 262 uint16 ACC (RW, animation_id);/* An index into the animation array */
239 uint8 ACC (RW, anim_speed); /* ticks between animation-frames */ 263 uint8 ACC (RW, anim_speed); /* ticks between animation-frames */
240 uint8 ACC (RW, last_anim); /* last sequence used to draw face */ 264 uint8 ACC (RW, last_anim); /* last sequence used to draw face */
241 sint16 ACC (RW, elevation); /* elevation of this terrain - not currently used */
242 uint8 ACC (RW, smoothlevel); /* how to smooth this square around */ 265 uint8 ACC (RW, smoothlevel); /* how to smooth this square around */
243 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 */
244}; 270};
245 271
246struct object : zero_initialised, object_copy 272struct object : zero_initialised, object_copy
247{ 273{
248 // These variables are not changed by ->copy_to 274 // These variables are not changed by ->copy_to
270 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 */
271 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
272 client_container *seen_by; // seen by which player/container currently? 298 client_container *seen_by; // seen by which player/container currently?
273 key_value *key_values; /* Fields not explictly known by the loader. */ 299 key_value *key_values; /* Fields not explictly known by the loader. */
274 300
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
275 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
276 MTH void post_load_check (); // do some adjustments after parsing 337 MTH void post_load_check (); // do some adjustments after parsing
277 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.
278 bool write (object_freezer &f); 339 bool write (object_freezer &f);
279 340
280 MTH int slottype () const; 341 MTH int slottype () const;
281 MTH static object *create (); 342 MTH static object *create ();
282 const mapxy &operator =(const mapxy &pos); 343 const mapxy &operator =(const mapxy &pos);
283 object &operator =(const object &src);
284 MTH void copy_to (object *dst); 344 MTH void copy_to (object *dst);
285 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
286 void do_destroy (); 347 void do_destroy ();
287 void gather_callbacks (AV *&callbacks, event_type event) const; 348 void gather_callbacks (AV *&callbacks, event_type event) const;
288 MTH void destroy (bool destroy_inventory = false); 349 MTH void destroy (bool destroy_inventory = false);
289 350
290 // 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
291 MTH void destroy_inv (bool drop_to_ground = false); 352 MTH void destroy_inv (bool drop_to_ground = false);
292 MTH object *insert (object *item); // insert into inventory 353 MTH object *insert (object *item); // insert into inventory
293 MTH void play_sound (faceidx sound) const; 354 MTH void play_sound (faceidx sound);
294 355
295 void do_remove (); 356 void do_remove ();
296 MTH void remove () 357 MTH void remove ()
297 { 358 {
298 if (!flag [FLAG_REMOVED]) 359 if (!flag [FLAG_REMOVED])
353 // info must hold 256 * 3 bytes currently 414 // info must hold 256 * 3 bytes currently
354 const char *debug_desc (char *info) const; 415 const char *debug_desc (char *info) const;
355 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
356 const char *flag_desc (char *desc, int len) const; 417 const char *flag_desc (char *desc, int len) const;
357 418
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
358 int number_of () const 422 MTH int number_of () const
359 { 423 {
360 return nrof ? nrof : 1; 424 return nrof ? nrof : 1;
361 } 425 }
362 426
363 uint64 total_weight () const 427 MTH sint32 total_weight () const
364 { 428 {
365 return weight * number_of (); 429 return (weight + carrying) * number_of ();
366 } 430 }
431
432 MTH void update_weight ();
367 433
368 // return the dominant material of this item, always return something 434 // return the dominant material of this item, always return something
369 const materialtype_t *dominant_material () const; 435 const materialtype_t *dominant_material () const;
370 436
371 // return the volume of this object in cm³ 437 // return the volume of this object in cm³
372 uint64 volume () const 438 MTH uint64 volume () const
373 { 439 {
374 return total_weight () 440 return total_weight ()
375 * 1000 441 * 1000
376 * (type == CONTAINER ? 1000 : 1) 442 * (type == CONTAINER ? 1000 : 1)
377 / dominant_material ()->density; 443 / dominant_material ()->density;
401 /* This return true if object has still randomitems which 467 /* This return true if object has still randomitems which
402 * could be expanded. 468 * could be expanded.
403 */ 469 */
404 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]; }
405 471
472 // returns the outermost owner, never returns 0
473 MTH object *outer_owner ()
474 {
475 for (object *op = this; ; op = op->owner)
476 if (!op->owner)
477 return op;
478 }
479
480 // returns the outermost environment, never returns 0
481 MTH object *outer_env ()
482 {
483 for (object *op = this; ; op = op->env)
484 if (!op->env)
485 return op;
486 }
487
406 // returns the player that has this object in his inventory, or 0 488 // returns the player that has this object in his inventory, or 0
489 // we assume the player is always the outer env
407 MTH object *in_player () const 490 MTH object *in_player ()
408 { 491 {
409 for (object *op = env; op; op = op->env) 492 object *op = outer_env ();
410 if (op->type == PLAYER)
411 return op;
412 493
413 return 0; 494 return op->type == PLAYER ? op : 0;
414 } 495 }
415 496
416 // "temporary" helper function 497 // "temporary" helper function
417 MTH object *head_ () 498 MTH object *head_ ()
418 { 499 {
421 502
422 MTH bool is_head () 503 MTH bool is_head ()
423 { 504 {
424 return head_ () == this; 505 return head_ () == this;
425 } 506 }
507
508 MTH bool is_on_map () const
509 {
510 return !env && !flag [FLAG_REMOVED];
511 }
512
513 // returns the player that cna see this object, if any
514 MTH object *visible_to () const;
426 515
427 MTH std::string long_desc (object *who = 0); 516 MTH std::string long_desc (object *who = 0);
428 MTH std::string describe_monster (object *who = 0); 517 MTH std::string describe_monster (object *who = 0);
429 MTH std::string describe_item (object *who = 0); 518 MTH std::string describe_item (object *who = 0);
430 MTH std::string describe (object *who = 0); 519 MTH std::string describe (object *who = 0);
445 MTH void activate (); 534 MTH void activate ();
446 MTH void deactivate (); 535 MTH void deactivate ();
447 MTH void activate_recursive (); 536 MTH void activate_recursive ();
448 MTH void deactivate_recursive (); 537 MTH void deactivate_recursive ();
449 538
450 // set the givne flag on all objects in the inventory recursively 539 // set the given flag on all objects in the inventory recursively
451 MTH void set_flag_inv (int flag, int value = 1); 540 MTH void set_flag_inv (int flag, int value = 1);
452 541
453 void enter_exit (object *exit);//Perl 542 void enter_exit (object *exit);//Perl
454 MTH void enter_map (maptile *newmap, int x, int y); 543 MTH void enter_map (maptile *newmap, int x, int y);
544 void player_goto (const char *path, int x, int y); // only for players
455 545
456 // returns the mapspace this object is in 546 // returns the mapspace this object is in
457 mapspace &ms () const; 547 mapspace &ms () const;
458 548
459 // fully recursive iterator 549 // fully recursive iterator
495 { 585 {
496 return this; 586 return this;
497 } 587 }
498 588
499 /* This returns TRUE if the object is something that 589 /* This returns TRUE if the object is something that
500 * should be displayed in the floorbox/inventory window 590 * a client might want to know about.
501 */ 591 */
502 MTH bool client_visible () const 592 MTH bool client_visible () const
503 { 593 {
504 return !invisible && type != PLAYER; 594 return !invisible && type != PLAYER;
595 }
596
597 // the client does nrof * this weight
598 MTH sint32 client_weight () const
599 {
600 return weight + carrying;
505 } 601 }
506 602
507 MTH struct region *region () const; 603 MTH struct region *region () const;
508 604
509 void statusmsg (const char *msg, int color = NDI_BLACK); 605 void statusmsg (const char *msg, int color = NDI_BLACK);
518 void link (); 614 void link ();
519 void unlink (); 615 void unlink ();
520 616
521 object (); 617 object ();
522 ~object (); 618 ~object ();
619
620private:
621 object &operator =(const object &);
622 object (const object &);
523}; 623};
524 624
525// move this object to the top of its env's inventory to speed up 625// move this object to the top of its env's inventory to speed up
526// searches for it. 626// searches for it.
527static object * 627static object *
548} objectlink; 648} objectlink;
549 649
550typedef struct oblinkpt 650typedef struct oblinkpt
551{ /* Used to link together several object links */ 651{ /* Used to link together several object links */
552 struct oblnk *link; 652 struct oblnk *link;
553 long value; /* Used as connected value in buttons/gates */ 653 sint32 value; /* Used as connected value in buttons/gates */
554 struct oblinkpt *next; 654 struct oblinkpt *next;
555} oblinkpt; 655} oblinkpt;
556 656
557object *find_skill_by_name (object *who, const char *name); 657object *find_skill_by_name (object *who, const char *name);
558object *find_skill_by_name (object *who, const shstr &sh); 658object *find_skill_by_name (object *who, const shstr &sh);
568 */ 668 */
569 669
570INTERFACE_CLASS (archetype) 670INTERFACE_CLASS (archetype)
571struct archetype : object 671struct archetype : object
572{ 672{
673 static arch_ptr empty; // the empty_archetype
674 MTH static void gc ();
675
573 archetype (const char *name); 676 archetype (const char *name);
574 ~archetype (); 677 ~archetype ();
575 void gather_callbacks (AV *&callbacks, event_type event) const; 678 void gather_callbacks (AV *&callbacks, event_type event) const;
576 679
577 static archetype *read (object_thawer &f);
578
579 MTH static archetype *get (const_utf8_string name); // find or create
580 MTH static archetype *find (const_utf8_string name); 680 MTH static archetype *find (const_utf8_string name);
581 681
582 MTH void link (); 682 MTH void link ();
583 MTH void unlink (); 683 MTH void unlink ();
584 684
685 MTH static object *get (const char *name); // (find() || singularity)->instance()
585 MTH object *instance (); 686 MTH object *instance ();
586 687
587 object_vector_index ACC (RW, archid); // index in archvector 688 object_vector_index ACC (RW, archid); // index in archvector
588 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */ 689 shstr ACC (RW, archname); /* More definite name, like "generate_kobold" */
589 bool ACC (RW, stub); // if true, this is an invalid archetype
590 690
591 sint8 ACC (RW, min_x), ACC (RW, min_y); /* extents, compared to the head (min_x, min_y should be zero, but aren't...) */ 691 sint8 ACC (RW, min_x), ACC (RW, min_y); /* extents, compared to the head (min_x, min_y should be zero, but aren't...) */
592 sint8 ACC (RW, max_x), ACC (RW, max_y); 692 sint8 ACC (RW, max_x), ACC (RW, max_y);
693
694 // support for archetype loading
695 static archetype *read (object_thawer &f);
696 MTH static void commit_load (); // commit any objects loaded, resolves cyclic dependencies and more
697 static void postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch); /* postpone other_arch reference */
593}; 698};
699
700// compatbiility, remove once replaced by ->instance
701inline object *
702arch_to_object (archetype *at)
703{
704 return at->instance ();
705}
594 706
595inline void 707inline void
596object_freezer::put (keyword k, archetype *v) 708object_freezer::put (keyword k, archetype *v)
597{ 709{
598 put (k, v ? &v->archname : (const char *)0); 710 put (k, v ? &v->archname : (const char *)0);
604 716
605extern objectvec objects; 717extern objectvec objects;
606extern activevec actives; 718extern activevec actives;
607extern archvec archetypes; 719extern archvec archetypes;
608 720
721// "safely" iterate over inv in a way such that the current item is removable
722// quite horrible, thats why its hidden in some macro
723#define for_inv_removable(op,var) \
724 for (object *var, *next_ = (op)->inv; (var = next_), var && (next_ = var->below), var; )
725
609#define for_all_objects(var) \ 726#define for_all_objects(var) \
610 for (unsigned _i = 0; _i < objects.size (); ++_i) \ 727 for (unsigned _i = 0; _i < objects.size (); ++_i) \
611 statementvar (object *, var, objects [_i]) 728 statementvar (object *, var, objects [_i])
612 729
613#define for_all_actives(var) \ 730#define for_all_actives(var) \
614 for (unsigned _i = 0; _i < actives.size (); ++_i) \ 731 for (unsigned _i = 0; _i < actives.size (); ++_i) \
615 statementvar (object *, var, actives [_i]) 732 statementvar (object *, var, actives [_i])
616 733
617#define for_all_archetypes(var) \ 734#define for_all_archetypes(var) \
618 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \ 735 for (unsigned _i = 0; _i < archetypes.size (); ++_i) \
619 statementvar (archetype *, var, archetypes [_i]) 736 statementvar (archetype *, var, archetypes [_i])
620 737
621/* Used by update_object to know if the object being passed is 738/* Used by update_object to know if the object being passed is
622 * being added or removed. 739 * being added or removed.

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