[ViewVC] Diff of: cvs/deliantra/server/common/arch.C

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.26 by root, Fri Nov 17 19:40:53 2006 UTC vs.
Revision 1.73 by root, Sun Apr 20 00:44:12 2008 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra 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	* 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	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* 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	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	#include <cassert>	24	#include <cassert>
25		25
26	#include <global.h>	26	#include <global.h>
27	#include <funcpoint.h>	27	#include <funcpoint.h>
28	#include <loader.h>	28	#include <loader.h>
29		29
30	#define USE_UNORDERED_MAP 0
31
32	#if USE_UNORDERED_MAP
33	# include <tr1/functional>	30	#include <tr1/functional>
34	# include <tr1/unordered_map>	31	#include <tr1/unordered_map>
35	#endif
36		32
37	int arch_cmp = 0; /* How many strcmp's */	33	archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
38	int arch_search = 0; /* How many searches */	34	archetype *archetype::empty;
39	int arch_init; /* True if doing arch initialization */
40		35
41	/* The naming of these functions is really poor - they are all
42	* pretty much named '.._arch_...', but they may more may not
43	* return archetypes. Some make the arch_to_object call, and thus
44	* return an object. Perhaps those should be called 'archob' functions
45	* to denote they return an object derived from the archetype.
46	* MSW 2003-04-29
47	*/
48
49	#if USE_UNORDERED_MAP
50	// the hashtable	36	// the hashtable
51	typedef std::tr1::unordered_map	37	typedef std::tr1::unordered_map
52	<	38	<
53	std::size_t,	39	const char *,
54	arch_ptr,	40	arch_ptr,
55	std::tr1::hash<size_t>,	41	str_hash,
56	std::equal_to<size_t>,	42	str_equal,
57	slice_allocator< std::pair<const std::size_t, archetype *> >	43	slice_allocator< std::pair<const char *const, arch_ptr> >
58	true,
59	> HT;	44	> HT;
60		45
61	static HT ht;	46	static HT ht (5000);
62	#else	47	archvec archetypes;
63	static arch_ptr arch_table[ARCHTABLE];	48
64	#endif	49	// the vector of other_arch references to be resolved
		50	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		51	// the vector of loaded but not yet committed archetypes
		52	static std::vector<archetype *> postponed_arch;
65		53
66	/**	54	/**
67	* GROS - This function retrieves an archetype given the name that appears	55	* GROS - This function retrieves an archetype given the name that appears
68	* during the game (for example, "writing pen" instead of "stylus").	56	* during the game (for example, "writing pen" instead of "stylus").
69	* It does not use the hashtable system, but browse the whole archlist each time.	57	* It does not use the hashtable system, but browse the whole archlist each time.
75	* - the archetype found or null if nothing was found.	63	* - the archetype found or null if nothing was found.
76	*/	64	*/
77	archetype *	65	archetype *
78	find_archetype_by_object_name (const char *name)	66	find_archetype_by_object_name (const char *name)
79	{	67	{
80	archetype *at;	68	shstr_cmp name_cmp (name);
81		69
82	if (name == NULL)	70	for_all_archetypes (at)
83	return (archetype *) NULL;	71	if (at->name == name_cmp)
84
85	for (at = first_archetype; at != NULL; at = at->next)
86	{
87	if (!strcmp (at->clone.name, name))
88	return at;	72	return at;
89	}	73
90	return NULL;	74	return 0;
91	}	75	}
92		76
93	/**	77	/**
94	* This function retrieves an archetype by type and name that appears during	78	* This function retrieves an archetype by type and name that appears during
95	* the game. It is basically the same as find_archetype_by_object_name()	79	* the game. It is basically the same as find_archetype_by_object_name()
96	* except that it considers only items of the given type.	80	* except that it considers only items of the given type.
97	*/	81	*/
98	archetype *	82	archetype *
99	find_archetype_by_object_type_name (int type, const char *name)	83	find_archetype_by_object_type_name (int type, const char *name)
100	{	84	{
101	archetype *at;	85	shstr_cmp name_cmp (name);
102		86
103	if (name == NULL)	87	for_all_archetypes (at)
104	return NULL;	88	if (at->name == name_cmp && at->type == type)
105
106	for (at = first_archetype; at != NULL; at = at->next)
107	{
108	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
109	return at;	89	return at;
110	}
111		90
112	return NULL;	91	return 0;
113	}	92	}
114		93
115	/* This is a lot like the above function. Instead, we are trying to match	94	/* This is a lot like the above function. Instead, we are trying to match
116	* the arch->skill values. type is the type of object to match	95	* the arch->skill values. type is the type of object to match
117	* against (eg, to only match against skills or only skill objects for example).	96	* against (eg, to only match against skills or only skill objects for example).
118	* If type is -1, ew don't match on type.	97	* If type is -1, ew don't match on type.
119	*/	98	*/
120	object *	99	object *
121	get_archetype_by_skill_name (const char *skill, int type)	100	get_archetype_by_skill_name (const char *skill, int type)
122	{	101	{
123	archetype *	102	shstr_cmp skill_cmp (skill);
124	at;
125		103
126	if (skill == NULL)	104	for_all_archetypes (at)
127	return NULL;	105	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
128
129	for (at = first_archetype; at != NULL; at = at->next)
130	{
131	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
132	return arch_to_object (at);	106	return arch_to_object (at);
133	}	107
134	return NULL;	108	return 0;
135	}	109	}
136		110
137	/* similiar to above - this returns the first archetype	111	/* similiar to above - this returns the first archetype
138	* that matches both the type and subtype. type and subtype	112	* that matches both the type and subtype. type and subtype
139	* can be -1 to say ignore, but in this case, the match it does	113	* can be -1 to say ignore, but in this case, the match it does
…		…
142	* (eg, skills)	116	* (eg, skills)
143	*/	117	*/
144	archetype *	118	archetype *
145	get_archetype_by_type_subtype (int type, int subtype)	119	get_archetype_by_type_subtype (int type, int subtype)
146	{	120	{
147	archetype *	121	for_all_archetypes (at)
148	at;
149
150	for (at = first_archetype; at != NULL; at = at->next)
151	{
152	if (((type == -1) \|\| (type == at->clone.type)) && (subtype == -1 \|\| subtype == at->clone.subtype))	122	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
153	return at;	123	return at;
154	}	124
155	return NULL;	125	return 0;
156	}	126	}
157		127
158	/**	128	/**
159	* GROS - this returns a new object given the name that appears during the game	129	* GROS - this returns a new object given the name that appears during the game
160	* (for example, "writing pen" instead of "stylus").	130	* (for example, "writing pen" instead of "stylus").
…		…
168	* but it otherwise had a big memory leak.	138	* but it otherwise had a big memory leak.
169	*/	139	*/
170	object *	140	object *
171	get_archetype_by_object_name (const char *name)	141	get_archetype_by_object_name (const char *name)
172	{	142	{
173	archetype *at;
174	char tmpname[MAX_BUF];	143	char tmpname[MAX_BUF];
175	int i;	144	int i;
176		145
177	assign (tmpname, name);	146	assign (tmpname, name);
178		147
179	for (i = strlen (tmpname); i > 0; i--)	148	for (i = strlen (tmpname); i > 0; i--)
180	{	149	{
181	tmpname[i] = 0;	150	tmpname[i] = 0;
		151
182	at = find_archetype_by_object_name (tmpname);	152	if (archetype *at = find_archetype_by_object_name (tmpname))
183
184	if (at != NULL)
185	return arch_to_object (at);	153	return arch_to_object (at);
186	}	154	}
187		155
188	return create_singularity (name);	156	return create_singularity (name);
189	}	157	}
190		158
191	/* This is a subset of the parse_id command. Basically, name can be	159	/* This is a subset of the parse_id command. Basically, name can be
192	* a string seperated lists of things to match, with certain keywords.	160	* a string seperated lists of things to match, with certain keywords.
193	* pl is the player (only needed to set count properly)	161	* pl is the player (only needed to set count properly)
194	* op is the item we are trying to match. Calling function takes care	162	* op is the item we are trying to match. Calling function takes care
195	* of what action might need to be done and if it is valid	163	* of what action might need to be done and if it is valid
196	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	164	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
197	* value means a better match. 0 means no match.	165	* value means a better match. 0 means no match.
198	*	166	*
199	* Brief outline of the procedure:	167	* Brief outline of the procedure:
200	* We take apart the name variable into the individual components.	168	* We take apart the name variable into the individual components.
201	* cases for 'all' and unpaid are pretty obvious.	169	* cases for 'all' and unpaid are pretty obvious.
202	* Next, we check for a count (either specified in name, or in the	170	* Next, we check for a count (either specified in name, or in the
203	* player object.)	171	* player object.)
204	* If count is 1, make a quick check on the name.	172	* If count is 1, make a quick check on the name.
205	* IF count is >1, we need to make plural name. Return if match.	173	* IF count is >1, we need to make plural name. Return if match.
206	* Last, make a check on the full name.	174	* Last, make a check on the full name.
207	*/	175	*/
208	int	176	int
209	item_matched_string (object pl, object op, const char *name)	177	item_matched_string (object pl, object op, const char *name)
210	{	178	{
211	char *cp, local_name[MAX_BUF];	179	char *cp, local_name[MAX_BUF];
212	int count, retval = 0;	180	int count, retval = 0;
213		181
214	strcpy (local_name, name); /* strtok is destructive to name */	182	assign (local_name, name); /* strtok is destructive to name */
215		183
216	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	184	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
217	{	185	{
218	while (cp[0] == ' ')	186	while (cp[0] == ' ')
219	++cp; /* get rid of spaces */	187	++cp; /* get rid of spaces */
…		…
304	}	272	}
305		273
306	return 0;	274	return 0;
307	}	275	}
308		276
309	/*	277	archetype::archetype (const char *name)
310	* Initialises the internal linked list of archetypes (read from file).	278	{
311	* Then the global "empty_archetype" pointer is initialised.	279	arch = this;
312	* Then the blocksview[] array is initialised.	280	this->archname = this->name = this->name_pl = name;
313	*/	281	}
		282
		283	archetype::~archetype ()
		284	{
		285	unlink ();
		286	}
314		287
315	void	288	void
316	init_archetypes (void)	289	archetype::link ()
317	{ /* called from add_player() and edit() */	290	{
318	if (first_archetype != NULL) /* Only do this once */	291	ht.insert (std::make_pair (archname, this));
319	return;
320		292
321	arch_init = 1;	293	if (!archetypes.contains (this))
322	load_archetypes ();	294	archetypes.insert (this);
323	arch_init = 0;
324	empty_archetype = archetype::find ("empty_archetype");
325
326	/* init_blocksview();*/
327	}	295	}
328
329	/*
330	* Stores debug-information about how efficient the hashtable
331	* used for archetypes has been in the static errmsg array.
332	*/
333		296
334	void	297	void
335	arch_info (object *op)	298	archetype::unlink ()
336	{	299	{
337	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	300	ht.erase (archname);
338	new_draw_info (NDI_BLACK, 0, op, errmsg);
339	}
340		301
		302	if (archetypes.contains (this))
		303	archetypes.erase (this);
		304	}
		305
341	/*	306	/*
342	* Initialise the hashtable used by the archetypes.	307	* Finds, using the hashtable, which archetype matches the given name.
		308	* returns a pointer to the found archetype, otherwise NULL.
343	*/	309	*/
		310	archetype *
		311	archetype::find (const char *name)
		312	{
		313	if (!name)
		314	return 0;
		315
		316	auto (i, ht.find (name));
		317
		318	if (i == ht.end ())
		319	return 0;
		320	else
		321	return i->second;
		322	}
		323
		324	archetype *
		325	archetype::read (object_thawer &f)
		326	{
		327	assert (f.kw == KW_object);
		328
		329	std::vector<archetype *> parts;
		330
		331	coroapi::cede_to_tick ();
		332
		333	for (;;)
		334	{
		335	archetype *at = new archetype (f.get_str ());
		336
		337	f.next ();
		338
		339	#if 0
		340	// implementing it here in the server does neither allow multiple inheritence
		341	// nor does it cleanly "just override". it would allow use in map files, though,
		342	// and other resource files dynamically laoded (as opposed to being preprocessed).
		343	// not that any of this is relevant as of yet...
		344	if (f.kw == KW_inherit)
		345	{
		346	if (archetype *at = find (f.get_str ()))
		347	*op = at->clone;
		348	else
		349	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		350	&at->archname, f.get_str ());
		351
		352	f.next ();
		353	}
		354	#endif
		355
		356	loading_arch = at; // hack to tell parse_kv et al. to behave
		357	bool parse_ok = at->parse_kv (f);
		358	loading_arch = 0;
		359
		360	if (!parse_ok)
		361	goto fail;
		362
		363	loading_arch = at; // hack to tell parse_kv et al. to behave
		364	at->post_load_check ();
		365	loading_arch = 0;
		366
		367	parts.push_back (at);
		368
		369	if (f.kw != KW_more)
		370	break;
		371
		372	f.next ();
		373
		374	if (f.kw != KW_object)
		375	{
		376	f.parse_error ("more object");
		377	goto fail;
		378	}
		379	}
		380
		381	{
		382	auto (at, parts.begin ());
		383
		384	archetype *new_head = parts.front ();
		385	archetype *old_head = find (new_head->archname);
		386
		387	if (old_head && !old_head->is_head ())
		388	{
		389	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		390	&new_head->archname, &old_head->archname);
		391	goto fail;
		392	}
		393
		394	// check that all archetypes belong to the same old object or are new
		395	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		396	{
		397	archetype new_part = at;
		398	archetype *old_part = find (new_part->archname);
		399
		400	if (old_part && old_part->head_ () != old_head)
		401	{
		402	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		403	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		404	goto fail;
		405	}
		406	}
		407
		408	// assemble new chain
		409	new_head->min_x = new_head->max_x = new_head->x;
		410	new_head->min_y = new_head->max_y = new_head->y;
		411
		412	archetype *less = new_head;
		413	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		414	{
		415	archetype at = p;
		416
		417	// some flags get inherited formt he head (probably a lot more)
		418	// doing it here doesn't feel too cozy, but it allows code
		419	// to ignore head checks for these flags, which saves time
		420	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		421	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		422	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		423	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		424
		425	if (at->x < new_head->min_x) new_head->min_x = at->x;
		426	if (at->y < new_head->min_y) new_head->min_y = at->y;
		427	if (at->x > new_head->max_x) new_head->max_x = at->x;
		428	if (at->y > new_head->max_y) new_head->max_y = at->y;
		429
		430	at->head = new_head;
		431	less->more = at;
		432	less = at;
		433	}
		434
		435	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		436
		437	return new_head;
		438	}
		439
		440	fail:
		441	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		442	(*p)->destroy (true);
		443
		444	return 0;
		445	}
344		446
345	void	447	void
346	clear_archetable (void)	448	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
347	{	449	{
348	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	450	ref = 0;
		451	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
349	}	452	}
350
351	/*
352	* An alternative way to init the hashtable which is slower, but _works_...
353	*/
354		453
355	void	454	void
356	init_archetable (void)	455	archetype::commit_load ()
357	{	456	{
358	archetype *at;	457	// unlink old archetypes and link in new ones */
359		458	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
360	LOG (llevDebug, " Setting up archetable...\n");
361
362	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
363	at->hash_add ();
364
365	LOG (llevDebug, "done\n");
366	}
367
368	void
369	free_all_archs (void)
370	{
371	archetype at, next;
372	int i = 0, f = 0;
373
374	for (at = first_archetype; at != NULL; at = next)
375	{
376	if (at->more)
377	next = at->more;
378	else
379	next = at->next;
380
381	delete
382	at;
383
384	i++;
385	}	459	{
		460	archetype at = p;
386		461
387	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);	462	if (archetype *old = find (at->archname))
388	}	463	old->unlink ();
389		464
390	archetype::archetype ()	465	at->link ();
391	{
392	clear_object (&clone); /* to initial state other also */
393	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
394	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
395	}
396
397	archetype::~archetype ()
398	{
399	}
400
401	/*
402	* Reads/parses the archetype-file, and copies into a linked list
403	* of archetype-structures.
404	*/
405	void
406	first_arch_pass (object_thawer & fp)
407	{
408	archetype at, head = NULL, *last_more = NULL;
409
410	at->clone.arch = first_archetype = at = new archetype;
411
412	while (int i = load_object (fp, &at->clone, 0))
413	{	466	}
414	at->clone.speed_left = (float) (-0.1);
415	/* copy the body_info to the body_used - this is only really
416	* need for monsters, but doesn't hurt to do it for everything.
417	* by doing so, when a monster is created, it has good starting
418	* values for the body_used info, so when items are created
419	* for it, they can be properly equipped.
420	*/
421	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
422		467
423	switch (i)	468	postponed_arch.clear ();
424	{
425	case LL_NORMAL: /* A new archetype, just link it with the previous */
426	if (last_more != NULL)
427	last_more->next = at;
428	if (head != NULL)
429	head->next = at;
430	head = last_more = at;
431	#if 0
432	if (!op->type)
433	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
434	#endif
435	at->tail_x = 0;
436	at->tail_y = 0;
437	break;
438		469
439	case LL_MORE: /* Another part of the previous archetype, link it correctly */	470	// now resolve arch references
440		471	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
441	at->head = head;
442	at->clone.head = &head->clone;
443	if (last_more != NULL)
444	{
445	last_more->more = at;
446	last_more->clone.more = &at->clone;
447	}
448	last_more = at;
449
450	/* If this multipart image is still composed of individual small
451	* images, don't set the tail_.. values. We can't use them anyways,
452	* and setting these to zero makes the map sending to the client much
453	* easier as just looking at the head, we know what to do.
454	*/
455	if (at->clone.face != head->clone.face)
456	{
457	head->tail_x = 0;
458	head->tail_y = 0;
459	}
460	else
461	{
462	if (at->clone.x > head->tail_x)
463	head->tail_x = at->clone.x;
464	if (at->clone.y > head->tail_y)
465	head->tail_y = at->clone.y;
466	}
467	break;
468
469	}
470
471	at = new archetype;
472
473	at->clone.arch = at;
474	}	472	{
		473	arch_ptr *ap = p->first;
		474	archetype *at = find (p->second);
475		475
476	delete at;	476	if (!at)
477	}	477	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
478		478
479	/*	479	*ap = at;
480	* Reads the archetype file once more, and links all pointers between
481	* archetypes.
482	*/
483
484	void
485	second_arch_pass (object_thawer & thawer)
486	{
487	char buf[MAX_BUF], variable = buf, argument, *cp;
488	archetype at = NULL, other;
489
490	while (fgets (buf, MAX_BUF, thawer) != NULL)
491	{	480	}
492	if (*buf == '#')
493	continue;
494	if ((argument = strchr (buf, ' ')) != NULL)
495	{
496	*argument = '\0', argument++;
497	cp = argument + strlen (argument) - 1;
498	while (isspace (*cp))
499	{
500	*cp = '\0';
501	cp--;
502	}
503	}
504	if (!strcmp ("Object", variable))
505	{
506	if ((at = archetype::find (argument)) == NULL)
507	LOG (llevError, "Warning: failed to find arch %s\n", argument);
508	}
509	else if (!strcmp ("other_arch", variable))
510	{
511	if (at != NULL && at->clone.other_arch == NULL)
512	{
513	if ((other = archetype::find (argument)) == NULL)
514	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
515	else if (at != NULL)
516	at->clone.other_arch = other;
517	}
518	}
519	else if (!strcmp ("randomitems", variable))
520	{
521	if (at != NULL)
522	{
523	treasurelist *tl = find_treasurelist (argument);
524		481
525	if (tl == NULL)	482	postponed_arch_ref.clear ();
526	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
527	else
528	at->clone.randomitems = tl;
529	}
530	}
531	}
532	}
533		483
534	#ifdef DEBUG	484	empty = find (shstr_empty_archetype);
535	void
536	check_generators (void)
537	{
538	archetype *at;
539
540	for (at = first_archetype; at != NULL; at = at->next)
541	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
542	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
543	}
544	#endif
545
546	/*
547	* First initialises the archtype hash-table (init_archetable()).
548	* Reads and parses the archetype file (with the first and second-pass
549	* functions).
550	* Then initialises treasures by calling load_treasures().
551	*/
552
553	void
554	load_archetypes (void)
555	{
556	char filename[MAX_BUF];
557
558	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
559	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
560
561	{
562	object_thawer
563	thawer (filename);
564
565	clear_archetable ();
566	LOG (llevDebug, " arch-pass 1...\n");
567	first_arch_pass (thawer);
568	LOG (llevDebug, " done\n");
569	}
570
571	init_archetable ();
572	warn_archetypes = 1;
573
574	{
575	object_thawer
576	thawer (filename);
577
578	LOG (llevDebug, " loading treasure...\n");
579	load_treasures ();
580	LOG (llevDebug, " done\n arch-pass 2...\n");
581	second_arch_pass (thawer);
582	LOG (llevDebug, " done\n");
583	#ifdef DEBUG
584	check_generators ();
585	#endif
586	}
587	LOG (llevDebug, " done\n");
588	}	485	}
589		486
590	/*	487	/*
591	* Creates and returns a new object which is a copy of the given archetype.	488	* Creates and returns a new object which is a copy of the given archetype.
592	* This function returns NULL on failure.	489	* This function returns NULL on failure.
593	*/	490	*/
594
595	object *	491	object *
596	arch_to_object (archetype *at)	492	arch_to_object (archetype *at)
597	{	493	{
598	object *op;	494	if (!at)
599
600	if (at == NULL)
601	{	495	{
602	if (warn_archetypes)
603	LOG (llevError, "Couldn't find archetype.\n");	496	LOG (llevError, "Couldn't find archetype.\n");
604
605	return NULL;	497	return 0;
606	}	498	}
607		499
608	op = get_object ();	500	object *op = at->clone ();
609	copy_object (&at->clone, op);
610	op->arch = at;	501	op->arch = at;
611	op->instantiate ();	502	op->instantiate ();
		503
612	return op;	504	return op;
		505	}
		506
		507	object *
		508	archetype::instance ()
		509	{
		510	return arch_to_object (this);
613	}	511	}
614		512
615	/*	513	/*
616	* Creates an object. This function is called by get_archetype()	514	* Creates an object. This function is called by get_archetype()
617	* if it fails to find the appropriate archetype.	515	* if it fails to find the appropriate archetype.
618	* Thus get_archetype() will be guaranteed to always return	516	* Thus get_archetype() will be guaranteed to always return
619	* an object, and never NULL.	517	* an object, and never NULL.
620	*/	518	*/
621
622	object *	519	object *
623	create_singularity (const char *name)	520	create_singularity (const char *name)
624	{	521	{
625	object *op;	522	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
		523
		524	if (!strcmp (name, "bug"))
		525	abort ();
		526
626	char buf[MAX_BUF];	527	char buf[MAX_BUF];
		528	sprintf (buf, "bug, please report (%s)", name);
627		529
628	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	530	object *op = get_archetype ("bug");
629	op = get_object ();
630	op->name = op->name_pl = buf;	531	op->name = op->name_pl = buf;
631	SET_FLAG (op, FLAG_NO_PICK);	532
632	return op;	533	return op;
633	}	534	}
634		535
635	/*	536	/*
636	* Finds which archetype matches the given name, and returns a new	537	* Finds which archetype matches the given name, and returns a new
637	* object containing a copy of the archetype.	538	* object containing a copy of the archetype.
638	*/	539	*/
639
640	object *	540	object *
641	get_archetype (const char *name)	541	get_archetype (const char *name)
642	{	542	{
643	archetype *at = archetype::find (name);	543	archetype *at = archetype::find (name);
644		544
…		…
647		547
648	return arch_to_object (at);	548	return arch_to_object (at);
649	}	549	}
650		550
651	/*	551	/*
652	* Hash-function used by the arch-hashtable.
653	*/
654
655	unsigned long
656	hasharch (const char *str, int tablesize)
657	{
658	unsigned long hash = 0;
659	unsigned int i = 0;
660	const char *p;
661
662	/* use the one-at-a-time hash function, which supposedly is
663	* better than the djb2-like one used by perl5.005, but
664	* certainly is better then the bug used here before.
665	* see http://burtleburtle.net/bob/hash/doobs.html
666	*/
667	for (p = str; i < MAXSTRING && *p; p++, i++)
668	{
669	hash += *p;
670	hash += hash << 10;
671	hash ^= hash >> 6;
672	}
673
674	hash += hash << 3;
675	hash ^= hash >> 11;
676	hash += hash << 15;
677
678	return hash % tablesize;
679	}
680
681	/*
682	* Finds, using the hashtable, which archetype matches the given name.
683	* returns a pointer to the found archetype, otherwise NULL.
684	*/
685
686	archetype *
687	archetype::find (const char *name)
688	{
689	if (!name)
690	return 0;
691
692	#if USE_UNORDERED_MAP
693	AUTODECL (i, ht.find ((size_t) name));
694
695	if (i == ht.end ())
696	return 0;
697	else
698	return i->second;
699	#endif
700
701	archetype *at;
702	unsigned long index;
703
704	index = hasharch (name, ARCHTABLE);
705	arch_search++;
706	for (;;)
707	{
708	at = arch_table[index];
709
710	if (at == NULL)
711	{
712	if (warn_archetypes)
713	LOG (llevError, "Couldn't find archetype %s\n", name);
714
715	return NULL;
716	}
717
718	arch_cmp++;
719
720	if (!strcmp ((const char *) at->name, name))
721	return at;
722
723	if (++index >= ARCHTABLE)
724	index = 0;
725	}
726	}
727
728	/*
729	* Adds an archetype to the hashtable.
730	*/
731	void
732	archetype::hash_add ()
733	{
734	#if USE_UNORDERED_MAP
735	ht.insert (std::make_pair ((size_t) (const char *) name, this));
736	#else
737
738	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
739
740	for (;;)
741	{
742	if (!arch_table[index])
743	{
744	arch_table[index] = this;
745	break;
746	}
747
748	if (++index == ARCHTABLE)
749	index = 0;
750
751	if (index == org_index)
752	fatal (ARCHTABLE_TOO_SMALL);
753	}
754	#endif
755	}
756
757	void
758	archetype::hash_del ()
759	{
760	#if USE_UNORDERED_MAP
761	# error remove this from HT
762	#else
763
764	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
765
766	for (;;)
767	{
768	if (arch_table[index] == this)
769	{
770	arch_table[index] = 0;
771	break;
772	}
773
774	if (++index == ARCHTABLE)
775	index = 0;
776
777	if (index == org_index)
778	break;
779	}
780	#endif
781	}
782
783	/*
784	* Returns the first archetype using the given type.	552	* Returns the first archetype using the given type.
785	* Used in treasure-generation.	553	* Used in treasure-generation.
786	*/	554	*/
787
788	archetype *	555	archetype *
789	type_to_archetype (int type)	556	type_to_archetype (int type)
790	{	557	{
791	archetype *at;	558	for_all_archetypes (at)
792		559	if (at->type == type && at->head_ () != at)
793	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
794	if (at->clone.type == type)
795	return at;	560	return at;
796		561
797	return 0;	562	return 0;
798	}	563	}
799		564
800	/*	565	/*
801	* Returns a new object copied from the first archetype matching	566	* Returns a new object copied from the first archetype matching
802	* the given type.	567	* the given type.
803	* Used in treasure-generation.	568	* Used in treasure-generation.
804	*/	569	*/
805
806	object *	570	object *
807	clone_arch (int type)	571	clone_arch (int type)
808	{	572	{
809	archetype *at;	573	archetype *at;
810	object *op = get_object ();
811		574
812	if ((at = type_to_archetype (type)) == NULL)	575	if ((at = type_to_archetype (type)) == NULL)
813	{	576	{
814	LOG (llevError, "Can't clone archetype %d\n", type);	577	LOG (llevError, "Can't clone archetype %d\n", type);
815	free_object (op);
816	return NULL;	578	return 0;
817	}	579	}
818		580
819	copy_object (&at->clone, op);	581	object *op = at->clone ();
820	op->instantiate ();	582	op->instantiate ();
821	return op;	583	return op;
822	}	584	}
823		585
824	/*	586	/*
825	* member: make instance from class	587	* member: make instance from class
826	*/	588	*/
827
828	object *	589	object *
829	object_create_arch (archetype *at)	590	object_create_arch (archetype *at)
830	{	591	{
831	object op, prev = 0, *head = 0;	592	object op, prev = 0, *head = 0;
832		593
833	while (at)	594	while (at)
834	{	595	{
835	op = arch_to_object (at);	596	op = arch_to_object (at);
		597
836	op->x = at->clone.x;	598	op->x = at->x;
837	op->y = at->clone.y;	599	op->y = at->y;
838		600
839	if (head)	601	if (head)
840	op->head = head, prev->more = op;	602	op->head = head, prev->more = op;
841		603
842	if (!head)	604	if (!head)
843	head = op;	605	head = op;
844		606
845	prev = op;	607	prev = op;
846	at = at->more;	608	at = (archetype *)at->more;
847	}	609	}
848		610
849	return (head);	611	return head;
850	}	612	}
851		613

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.26 by root, Fri Nov 17 19:40:53 2006 UTC vs. Revision 1.73 by root, Sun Apr 20 00:44:12 2008 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.26 by root, Fri Nov 17 19:40:53 2006 UTC vs.
Revision 1.73 by root, Sun Apr 20 00:44:12 2008 UTC