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/cvs/deliantra/server/include/object.h
Revision: 1.44
Committed: Fri Nov 17 19:40:54 2006 UTC (17 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.43: +9 -4 lines
Log Message:
* remove arch.h
* use refcounting for archetypes
* cleanup
* strat of generic garbage collector

File Contents

# User Rev Content
1 root 1.1 /*
2     CrossFire, A Multiplayer game for X-windows
3    
4     Copyright (C) 2001 Mark Wedel & Crossfire Development Team
5     Copyright (C) 1992 Frank Tore Johansen
6    
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11    
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     GNU General Public License for more details.
16    
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20    
21     The authors can be reached via e-mail at crossfire-devel@real-time.com
22     */
23    
24     #ifndef OBJECT_H
25     #define OBJECT_H
26    
27 root 1.6 #include "cfperl.h"
28 root 1.7 #include "shstr.h"
29 root 1.6
30 root 1.1 typedef uint32 tag_t;
31 root 1.14 #define NUM_BODY_LOCATIONS 12
32     #define BODY_ARMS 1
33 root 1.1
34     /* See common/item.c */
35    
36 root 1.20 typedef struct Body_Locations
37     {
38     const char *save_name; /* Name used to load/save it to disk */
39     const char *use_name; /* Name used when describing an item we can use */
40     const char *nonuse_name; /* Name to describe objects we can't use */
41 root 1.1 } Body_Locations;
42    
43     extern Body_Locations body_locations[NUM_BODY_LOCATIONS];
44    
45     /*
46     * Each object (this also means archetypes!) could have a few of these
47     * "dangling" from it; this could also end up containing 'parse errors'.
48     *
49     * key and value are shared-strings.
50     *
51     * Please use get_ob_key_value(), set_ob_key_value() from object.c rather than
52     * accessing the list directly.
53     * Exception is if you want to walk this list for some reason.
54     */
55 root 1.20 struct key_value
56     {
57     key_value *next;
58     shstr key, value;
59 root 1.15 };
60 root 1.1
61 root 1.34 struct UUID
62     {
63     uint64 seq;
64     };
65    
66     extern void init_uuid ();
67     extern UUID gen_uuid ();
68 root 1.1
69     /* Definition for WILL_APPLY values. Replaces having harcoded values
70     * sprinkled in the code. Note that some of these also replace fields
71     * that were in the can_apply area. What is the point of having both
72     * can_apply and will_apply?
73     */
74 root 1.27 #define WILL_APPLY_HANDLE 0x01
75     #define WILL_APPLY_TREASURE 0x02
76     #define WILL_APPLY_EARTHWALL 0x04
77     #define WILL_APPLY_DOOR 0x08
78 root 1.14 #define WILL_APPLY_FOOD 0x10
79 root 1.1
80 root 1.14 /* However, if you're keeping a pointer of some sort, you probably
81     * don't just want it copied, so you'll need to add to common/object.C,
82     * e.g. copy_object.
83 root 1.1 */
84 elmex 1.4
85 root 1.41 typedef refptr<object> object_ptr;
86 root 1.44 typedef refptr<archetype> arch_ptr;
87 root 1.41
88 root 1.18 // these are not being copied
89 root 1.20 ACC_CLASS (object)
90 root 1.28 struct object_keep : refcounted
91 root 1.18 {
92 root 1.36 tag_t ACC (RW, count); /* Generation count for this object */
93 root 1.34 UUID uuid; // Unique Identifier, survives saves etc.
94 root 1.18
95     /* These variables are not changed by copy_object() */
96 root 1.40 player *ACC (RW, contr); /* Pointer to the player which control this object */
97     object *ACC (RW, next); /* Pointer to the next object in the free/used list */
98     object *ACC (RW, prev); /* Pointer to the previous object in the free/used list */
99     object *ACC (RW, active_next); /* Next & previous object in the 'active' */
100     object *ACC (RW, active_prev); /* List. This is used in process_events */
101 root 1.20 /* so that the entire object list does not */
102     /* need to be gone through. */
103 root 1.40 object *ACC (RW, below); /* Pointer to the object stacked below this one */
104     object *ACC (RW, above); /* Pointer to the object stacked above this one */
105 root 1.20 /* Note: stacked in the *same* environment */
106 root 1.40 object *inv; /* Pointer to the first object in the inventory */
107     object *ACC (RW, container); /* Current container being used. I think this
108 root 1.20 * is only used by the player right now.
109     */
110 root 1.40 object *ACC (RW, env); /* Pointer to the object which is the environment.
111 root 1.20 * This is typically the container that the object is in.
112     */
113 root 1.40 object *ACC (RW, more); /* Pointer to the rest of a large body of objects */
114     object *head; /* Points to the main object of a large body */ // NO ACC, perl semantics are different
115     maptile *ACC (RW, map); /* Pointer to the map in which this object is present */
116 elmex 1.4 };
117 root 1.1
118 root 1.18 // these are being copied
119 root 1.25 struct object_copy : attachable<object>
120 root 1.18 {
121 root 1.20 shstr ACC (RW, name); /* The name of the object, obviously... */
122     shstr ACC (RW, name_pl); /* The plural name of the object */
123     shstr ACC (RW, title); /* Of foo, etc */
124     shstr ACC (RW, race); /* human, goblin, dragon, etc */
125     shstr ACC (RW, slaying); /* Which race to do double damage to */
126     /* If this is an exit, this is the filename */
127     shstr ACC (RW, skill); /* Name of the skill this object uses/grants */
128     shstr ACC (RW, msg); /* If this is a book/sign/magic mouth/etc */
129     shstr ACC (RW, lore); /* Obscure information about this object, */
130     /* To get put into books and the like. */
131     shstr ACC (RW, materialname); /* specific material name */
132     shstr ACC (RW, custom_name); /* Custom name assigned by player */
133 root 1.41 object_ptr ACC (RW, owner); /* Pointer to the object which controls this one */
134     object_ptr ACC (RW, enemy); /* Monster/player to follow even if not closest */
135     object_ptr ACC (RW, attacked_by); /* This object start to attack us! only player & monster */
136     object_ptr ACC (RW, chosen_skill); /* the skill chosen to use */
137     object_ptr ACC (RW, spellitem); /* Spell ability monster is choosing to use */
138     object_ptr ACC (RW, spell); /* Spell that was being cast */
139     object_ptr ACC (RW, current_weapon); /* Pointer to the weapon currently used */
140 root 1.18 };
141 root 1.1
142 root 1.18 // these are being copied and also cleared
143     struct object_pod
144     {
145 root 1.36 New_Face *ACC (RW, face); /* Face with colors */
146 root 1.20 sint16 ACC (RW, x), ACC (RW, y); /* Position in the map for this object */
147     float ACC (RW, speed); /* The overall speed of this object */
148     float ACC (RW, speed_left); /* How much speed is left to spend this round */
149     uint32 ACC (RW, nrof); /* How many of the objects */
150     sint8 ACC (RW, direction); /* Means the object is moving that way. */
151     sint8 ACC (RW, facing); /* Object is oriented/facing that way. */
152 root 1.18
153     /* This next big block are basically used for monsters and equipment */
154 root 1.20 uint8 ACC (RW, type); /* PLAYER, BULLET, etc. See define.h */
155     uint8 ACC (RW, subtype); /* subtype of object */
156     uint16 ACC (RW, client_type); /* Public type information. see doc/Developers/objects */
157     sint16 resist[NROFATTACKS]; /* Resistance adjustments for attacks */
158     uint32 ACC (RW, attacktype); /* Bitmask of attacks this object does */
159     uint32 ACC (RW, path_attuned); /* Paths the object is attuned to */
160     uint32 ACC (RW, path_repelled); /* Paths the object is repelled from */
161     uint32 ACC (RW, path_denied); /* Paths the object is denied access to */
162     uint16 ACC (RW, material); /* What materials this object consist of */
163     sint8 ACC (RW, magic); /* Any magical bonuses to this item */
164     uint8 ACC (RW, state); /* How the object was last drawn (animation) */
165     sint32 ACC (RW, value); /* How much money it is worth (or contains) */
166 root 1.18 /* Note that the last_.. values are sometimes used for non obvious
167     * meanings by some objects, eg, sp penalty, permanent exp.
168     */
169 root 1.20 sint32 ACC (RW, last_heal); /* Last healed. Depends on constitution */
170     sint32 ACC (RW, last_sp); /* As last_heal, but for spell points */
171     sint16 ACC (RW, last_grace); /* as last_sp, except for grace */
172     sint16 ACC (RW, last_eat); /* How long since we last ate */
173     sint16 ACC (RW, invisible); /* How much longer the object will be invis */
174 root 1.26 sint16 ACC (RW, level); /* Level of creature or object */
175 root 1.20 uint8 ACC (RW, pick_up); /* See crossfire.doc */
176     sint8 ACC (RW, item_power); /* power rating of the object */
177     sint8 ACC (RW, gen_sp_armour); /* sp regen penalty this object has (was last_heal) */
178 root 1.26 sint8 ACC (RW, glow_radius); /* indicates the glow radius of the object */
179 root 1.20 sint32 ACC (RW, weight); /* Attributes of the object */
180     sint32 ACC (RW, weight_limit); /* Weight-limit of object */
181     sint32 ACC (RW, carrying); /* How much weight this object contains */
182     sint64 ACC (RW, perm_exp); /* Permanent exp */
183     uint32 ACC (RW, weapontype); /* type of weapon */
184     uint32 ACC (RW, tooltype); /* type of tool or build facility */
185     sint8 body_info[NUM_BODY_LOCATIONS]; /* body info as loaded from the file */
186     sint8 body_used[NUM_BODY_LOCATIONS]; /* Calculated value based on items equipped */
187 root 1.36 living ACC (RO, stats); /* Str, Con, Dex, etc */
188 root 1.20 /* See the doc/Developers/objects for more info about body locations */
189 root 1.18
190     /* Following mostly refers to fields only used for monsters */
191 root 1.20 uint32 ACC (RW, hide); /* The object is hidden, not invisible */
192 root 1.18 /* changes made by kholland@sunlab.cit.cornell.edu */
193     /* allows different movement patterns for attackers */
194 root 1.20 sint32 ACC (RW, move_status); /* What stage in attack mode */
195     uint16 ACC (RW, attack_movement); /* What kind of attack movement */
196 root 1.26 uint16 ACC (RW, run_away); /* Monster runs away if it's hp goes below this percentage. */
197     float ACC (RW, expmul); /* needed experience = (calc_exp*expmul) - means some */
198 root 1.20 /* races/classes can need less/more exp to gain levels */
199 root 1.18
200     /* Spell related information, may be useful elsewhere
201     * Note that other fields are used - these files are basically
202     * only used in spells.
203     */
204 root 1.20 sint16 ACC (RW, duration); /* How long the spell lasts */
205     sint16 ACC (RW, casting_time); /* time left before spell goes off */
206 root 1.26 uint16 ACC (RW, start_holding);
207     uint8 ACC (RW, duration_modifier); /* how level modifies duration */
208 root 1.20 uint8 ACC (RW, dam_modifier); /* How going up in level effects damage */
209     sint8 ACC (RW, range); /* Range of the spell */
210     uint8 ACC (RW, range_modifier); /* How going up in level effects range */
211 root 1.36 char *ACC (RW, spellarg);
212 root 1.18
213     /* Following are values used by any object */
214 root 1.40 treasurelist *ACC (RW, randomitems); /* Items to be generated */
215 root 1.44 arch_ptr ACC (RW, arch); /* Pointer to archetype */
216     arch_ptr ACC (RW, other_arch); /* Pointer used for various things - mostly used for what */
217 root 1.35 key_value *key_values; /* Fields not explictly known by the loader. */
218 root 1.20 /* this objects turns into or what this object creates */
219     uint32 flags[4]; /* various flags */
220     uint16 ACC (RW, animation_id); /* An index into the animation array */
221     uint8 ACC (RW, anim_speed); /* ticks between animation-frames */
222     uint8 ACC (RW, last_anim); /* last sequence used to draw face */
223     sint32 ACC (RW, elevation); /* elevation of this terrain - not currently used */
224     uint8 ACC (RW, smoothlevel); /* how to smooth this square around */
225 root 1.32 uint8 ACC (RW, will_apply); /* See crossfire.doc */
226 root 1.20
227     MoveType ACC (RW, move_type); /* Type of movement this object uses */
228     MoveType ACC (RW, move_block); /* What movement types this blocks */
229     MoveType ACC (RW, move_allow); /* What movement types explicitly allowd */
230     MoveType ACC (RW, move_on); /* Move types affected moving on to this space */
231     MoveType ACC (RW, move_off); /* Move types affected moving off this space */
232     MoveType ACC (RW, move_slow); /* Movement types this slows down */
233     float ACC (RW, move_slow_penalty); /* How much this slows down the object */
234 elmex 1.4 };
235    
236 root 1.18 struct object : zero_initialised, object_keep, object_copy, object_pod
237     {
238 root 1.37 typedef unordered_vector<object *> vector;
239    
240     static vector mortals;
241     static vector active; // active objects, not yet used
242     static vector objects; // not used yet, use first->next->...
243     static object *first; // will be replaced by "objects"
244    
245 root 1.23 static object *create ();
246 root 1.42 void destroy (bool destroy_inventory = false);
247 root 1.22
248 root 1.23 static void free_mortals ();
249     static bool can_merge (object *op1, object *op2);
250 root 1.19
251 root 1.18 void clear ();
252 root 1.23 void clone (object *destination);
253    
254 root 1.39 bool destroyed () { return QUERY_FLAG (this, FLAG_FREED); }
255    
256 root 1.34 void instantiate ()
257     {
258     if (!uuid.seq) // HACK
259     uuid = gen_uuid ();
260    
261     attachable<object>::instantiate ();
262     }
263    
264 root 1.28 void set_owner (object *owner);
265    
266 root 1.33 // info must hold 256 * 3 bytes currently
267     const char *debug_desc (char *info) const;
268     const char *debug_desc () const;
269    
270 root 1.29 // fully recursive iterator
271     struct iterator_base
272     {
273     object *item;
274    
275 root 1.30 iterator_base (object *container)
276     : item (container)
277 root 1.29 {
278     }
279    
280     operator object *() const { return item; }
281    
282     object *operator ->() const { return item; }
283     object &operator * () const { return *item; }
284     };
285    
286 root 1.30 // depth-first recursive iterator
287     struct depth_iterator : iterator_base
288 root 1.29 {
289 root 1.30 depth_iterator (object *container);
290 root 1.29 void next ();
291     object *operator ++( ) { next (); return item; }
292     object *operator ++(int) { object *i = item; next (); return i; }
293     };
294    
295     object *begin ()
296     {
297 root 1.30 return this;
298 root 1.29 }
299    
300     object *end ()
301     {
302 root 1.30 return this;
303 root 1.29 }
304    
305 root 1.23 protected:
306     friend struct archetype;
307    
308 root 1.24 void link ();
309     void unlink ();
310    
311 root 1.23 object ();
312     ~object ();
313 elmex 1.4 };
314 root 1.1
315 root 1.28 #define get_object() object::create ()
316 root 1.42 #define free_object(op) (op)->destroy (0)
317     #define free_object2(op, free_inv) (op)->destroy (free_inv)
318 root 1.28 #define clear_owner(op) (op)->owner = 0
319     #define copy_owner(op,other) (op)->owner = (other)->owner
320 root 1.36 #define get_owner(op) (op)->owner
321 root 1.28 #define clear_object(op) (op)->clear ()
322    
323     static inline void
324     set_owner (object *op, object *owner)
325     {
326     op->set_owner (owner);
327     }
328    
329 root 1.19 #define CAN_MERGE(op1,op2) ((op1)->value == (op2)->value && (op1)->name == (op2)->name && object::can_merge ((op1), (op2)))
330    
331 root 1.20 typedef struct oblnk
332     { /* Used to link together several objects */
333 root 1.43 object_ptr ob;
334 root 1.1 struct oblnk *next;
335     } objectlink;
336    
337 root 1.20 typedef struct oblinkpt
338     { /* Used to link together several object links */
339 root 1.1 struct oblnk *link;
340 root 1.20 long value; /* Used as connected value in buttons/gates */
341 root 1.1 struct oblinkpt *next;
342     } oblinkpt;
343    
344     /*
345     * The archetype structure is a set of rules on how to generate and manipulate
346     * objects which point to archetypes.
347     * This probably belongs in arch.h, but there really doesn't appear to
348     * be much left in the archetype - all it really is is a holder for the
349     * object and pointers. This structure should get removed, and just replaced
350     * by the object structure
351     */
352    
353 root 1.44 ACC_CLASS (archetype)
354     struct archetype : zero_initialised, refcounted
355 root 1.15 {
356 root 1.22 archetype ();
357     ~archetype ();
358    
359 root 1.38 static archetype *find (const char *arch);
360    
361 root 1.44 void hash_add (); // add to hastable
362     void hash_del (); // remove from hashtable
363    
364 root 1.38 shstr ACC (RW, name); /* More definite name, like "generate_kobold" */
365     struct archetype *ACC (RW, next); /* Next archetype in a linked list */
366     struct archetype *ACC (RW, head); /* The main part of a linked object */
367     struct archetype *ACC (RW, more); /* Next part of a linked object */
368     object ACC (RO, clone); /* An object from which to do copy_object() */
369     uint32 ACC (RW, editable); /* editable flags (mainly for editor) */
370     sint8 ACC (RW, tail_x), ACC (RW, tail_y); /* Where the lower right most portion of the object is
371     * in comparison to the head.
372     */
373 root 1.21 };
374 root 1.1
375     extern object *objects;
376     extern object *active_objects;
377    
378     extern int nrofallocobjects;
379    
380 root 1.15 /* This returns TRUE if the object is something that
381 root 1.1 * should be displayed in the look window
382     */
383     #define LOOK_OBJ(ob) (!ob->invisible && ob->type!=PLAYER && ob->type!=EVENT_CONNECTOR)
384    
385     /* Used by update_object to know if the object being passed is
386     * being added or removed.
387     */
388     #define UP_OBJ_INSERT 1
389     #define UP_OBJ_REMOVE 2
390     #define UP_OBJ_CHANGE 3
391 root 1.20 #define UP_OBJ_FACE 4 /* Only thing that changed was the face */
392 root 1.1
393     /* These are flags passed to insert_ob_in_map and
394     * insert_ob_in_ob. Note that all flags may not be meaningful
395     * for both functions.
396     * Most are fairly explanatory:
397     * INS_NO_MERGE: don't try to merge inserted object with ones alrady
398     * on space.
399     * INS_ABOVE_FLOOR_ONLY: Put object immediatly above the floor.
400     * INS_NO_WALK_ON: Don't call check_walk_on against the
401     * originator - saves cpu time if you know the inserted object
402     * is not meaningful in terms of having an effect.
403     * INS_ON_TOP: Always put object on top. Generally only needed when loading
404     * files from disk and ordering needs to be preserved.
405     * INS_BELOW_ORIGINATOR: Insert new object immediately below originator -
406     * Use for treasure chests so the new object is the highest thing
407     * beneath the player, but not actually above it. Note - the
408     * map and x,y coordinates for the object to be inserted must
409     * match the originator.
410     * INS_MAP_LOAD: disable lots of checkings done at insertion to
411     * speed up map loading process, as we assume the ordering in
412     * loaded map is correct.
413     *
414     * Note that INS_BELOW_ORIGINATOR, INS_ON_TOP, INS_ABOVE_FLOOR_ONLY
415     * are mutually exclusive. The behaviour for passing more than one
416     * should be considered undefined - while you may notice what happens
417     * right now if you pass more than one, that could very well change
418     * in future revisions of the code.
419     */
420 root 1.14 #define INS_NO_MERGE 0x0001
421     #define INS_ABOVE_FLOOR_ONLY 0x0002
422     #define INS_NO_WALK_ON 0x0004
423     #define INS_ON_TOP 0x0008
424     #define INS_BELOW_ORIGINATOR 0x0010
425     #define INS_MAP_LOAD 0x0020
426 root 1.1
427     #define ARCH_SINGULARITY "singularity"
428     #define ARCH_SINGULARITY_LEN 11
429     #define ARCH_DETECT_MAGIC "detect_magic"
430     #define ARCH_DEPLETION "depletion"
431     #define ARCH_SYMPTOM "symptom"
432    
433     #endif
434 root 1.44