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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.21 by root, Thu Sep 14 22:33:58 2006 UTC vs.
Revision 1.88 by root, Thu Jan 1 19:44:22 2009 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>
		27	#include <loader.h>
		28
		29	#include <tr1/functional>
26	#include <tr1/unordered_map>	30	#include <tr1/unordered_map>
27		31
28	#include <global.h>	32	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
29	#include <arch.h>	33	arch_ptr archetype::empty;
30	#include <funcpoint.h>
31	#include <loader.h>
32		34
33	/* IF set, does a little timing on the archetype load. */
34	#define TIME_ARCH_LOAD 0
35
36	static void add_arch (archetype *at);
37
38	static archetype *arch_table[ARCHTABLE];
39	int arch_cmp = 0; /* How many strcmp's */
40	int arch_search = 0; /* How many searches */
41	int arch_init; /* True if doing arch initialization */
42
43	/* The naming of these functions is really poor - they are all
44	* pretty much named '.._arch_...', but they may more may not
45	* return archetypes. Some make the arch_to_object call, and thus
46	* return an object. Perhaps those should be called 'archob' functions
47	* to denote they return an object derived from the archetype.
48	* MSW 2003-04-29
49	*/
50
51	#if USE_UNORDERED_MAP
52	// the hashtable	35	// the hashtable
53	typedef std::tr1::unordered_map	36	typedef std::tr1::unordered_map
54	<	37	<
55	std::size_t,	38	const char *,
56	archetype *,	39	arch_ptr,
57	std::hash<size_t>,	40	str_hash,
58	std::equal_to<size_t>,	41	str_equal,
59	slice_allocator< std::pair<const std::size_t, archetype *> >	42	slice_allocator< std::pair<const char *const, arch_ptr> >
60	true,
61	> HT;	43	> HT;
62		44
63	static HT ht;	45	static HT ht (10000);
64	#endif	46	archvec archetypes;
		47	static unordered_vector<archetype *> allarch;
		48	static int dirtycnt;
		49
		50	// the vector of other_arch references to be resolved
		51	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		52	// the vector of loaded but not yet committed archetypes
		53	static std::vector<archetype *> postponed_arch;
65		54
66	/**	55	/**
67	* GROS - This function retrieves an archetype given the name that appears	56	* GROS - This function retrieves an archetype given the name that appears
68	* during the game (for example, "writing pen" instead of "stylus").	57	* 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.	58	* It does not use the hashtable system, but browse the whole archlist each time.
75	* - the archetype found or null if nothing was found.	64	* - the archetype found or null if nothing was found.
76	*/	65	*/
77	archetype *	66	archetype *
78	find_archetype_by_object_name (const char *name)	67	find_archetype_by_object_name (const char *name)
79	{	68	{
80	archetype *at;	69	shstr_cmp name_cmp (name);
81		70
82	if (name == NULL)	71	for_all_archetypes (at)
83	return (archetype *) NULL;	72	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;	73	return at;
89	}	74
90	return NULL;	75	return 0;
91	}	76	}
92		77
93	/**	78	/**
94	* This function retrieves an archetype by type and name that appears during	79	* 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()	80	* the game. It is basically the same as find_archetype_by_object_name()
96	* except that it considers only items of the given type.	81	* except that it considers only items of the given type.
97	*/	82	*/
98	archetype *	83	archetype *
99	find_archetype_by_object_type_name (int type, const char *name)	84	find_archetype_by_object_type_name (int type, const char *name)
100	{	85	{
101	archetype *at;	86	shstr_cmp name_cmp (name);
102		87
103	if (name == NULL)	88	for_all_archetypes (at)
104	return NULL;	89	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;	90	return at;
110	}
111		91
112	return NULL;	92	return 0;
113	}	93	}
114		94
115	/* This is a lot like the above function. Instead, we are trying to match	95	/* 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	96	* 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).	97	* against (eg, to only match against skills or only skill objects for example).
118	* If type is -1, ew don't match on type.	98	* If type is -1, ew don't match on type.
119	*/	99	*/
120	object *	100	object *
121	get_archetype_by_skill_name (const char *skill, int type)	101	get_archetype_by_skill_name (const char *skill, int type)
122	{	102	{
123	archetype *	103	shstr_cmp skill_cmp (skill);
124	at;
125		104
126	if (skill == NULL)	105	for_all_archetypes (at)
127	return NULL;	106	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
		107	return at->instance ();
128		108
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);
133	}
134	return NULL;	109	return 0;
135	}	110	}
136		111
137	/* similiar to above - this returns the first archetype	112	/* similiar to above - this returns the first archetype
138	* that matches both the type and subtype. type and subtype	113	* 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	114	* can be -1 to say ignore, but in this case, the match it does
…		…
142	* (eg, skills)	117	* (eg, skills)
143	*/	118	*/
144	archetype *	119	archetype *
145	get_archetype_by_type_subtype (int type, int subtype)	120	get_archetype_by_type_subtype (int type, int subtype)
146	{	121	{
147	archetype *	122	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))	123	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
153	return at;	124	return at;
154	}	125
155	return NULL;	126	return 0;
156	}	127	}
157		128
158	/**	129	/**
159	* GROS - this returns a new object given the name that appears during the game	130	* GROS - this returns a new object given the name that appears during the game
160	* (for example, "writing pen" instead of "stylus").	131	* (for example, "writing pen" instead of "stylus").
…		…
162	* - name: The name we're searching for (ex: "writing pen");	133	* - name: The name we're searching for (ex: "writing pen");
163	* Return value:	134	* Return value:
164	* - a corresponding object if found; a singularity object if not found.	135	* - a corresponding object if found; a singularity object if not found.
165	* Note by MSW - it appears that it takes the full name and keeps	136	* Note by MSW - it appears that it takes the full name and keeps
166	* shortening it until it finds a match. I re-wrote this so that it	137	* shortening it until it finds a match. I re-wrote this so that it
167	* doesn't malloc it each time - not that this function is used much,	138	* doesn't allocate it each time - not that this function is used much,
168	* but it otherwise had a big memory leak.	139	* but it otherwise had a big memory leak.
169	*/	140	*/
170	object *	141	object *
171	get_archetype_by_object_name (const char *name)	142	get_archetype_by_object_name (const char *name)
172	{	143	{
173	archetype *at;
174	char tmpname[MAX_BUF];	144	char tmpname[MAX_BUF];
175	int i;	145	int i;
176		146
177	assign (tmpname, name);	147	assign (tmpname, name);
178		148
179	for (i = strlen (tmpname); i > 0; i--)	149	for (i = strlen (tmpname); i > 0; i--)
180	{	150	{
181	tmpname[i] = 0;	151	tmpname[i] = 0;
		152
182	at = find_archetype_by_object_name (tmpname);	153	if (archetype *at = find_archetype_by_object_name (tmpname))
183		154	return at->instance ();
184	if (at != NULL)
185	return arch_to_object (at);
186	}	155	}
187		156
188	return create_singularity (name);	157	return create_singularity (name);
189	}	158	}
190		159
191	/* This is a subset of the parse_id command. Basically, name can be	160	/* 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.	161	* a string seperated lists of things to match, with certain keywords.
193	* pl is the player (only needed to set count properly)	162	* pl is the player (only needed to set count properly)
194	* op is the item we are trying to match. Calling function takes care	163	* 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	164	* 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	165	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
197	* value means a better match. 0 means no match.	166	* value means a better match. 0 means no match.
198	*	167	*
199	* Brief outline of the procedure:	168	* Brief outline of the procedure:
200	* We take apart the name variable into the individual components.	169	* We take apart the name variable into the individual components.
201	* cases for 'all' and unpaid are pretty obvious.	170	* cases for 'all' and unpaid are pretty obvious.
202	* Next, we check for a count (either specified in name, or in the	171	* Next, we check for a count (either specified in name, or in the
203	* player object.)	172	* player object.)
204	* If count is 1, make a quick check on the name.	173	* 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.	174	* IF count is >1, we need to make plural name. Return if match.
206	* Last, make a check on the full name.	175	* Last, make a check on the full name.
207	*/	176	*/
208	int	177	int
209	item_matched_string (object pl, object op, const char *name)	178	item_matched_string (object pl, object op, const char *name)
210	{	179	{
211	char *
212	cp,
213	local_name[MAX_BUF];	180	char *cp, local_name[MAX_BUF];
214	int	181	int count, retval = 0;
215	count,
216	retval = 0;
217		182
218	strcpy (local_name, name); /* strtok is destructive to name */	183	assign (local_name, name); /* strtok is destructive to name */
219		184
220	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	185	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
221	{	186	{
222	while (cp[0] == ' ')	187	while (cp[0] == ' ')
223	++cp; /* get rid of spaces */	188	++cp; /* get rid of spaces */
…		…
273	retval = 15;	238	retval = 15;
274	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	239	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
275	retval = 14;	240	retval = 14;
276	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	241	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
277	retval = 14;	242	retval = 14;
278
279	/* Do substring checks, so things like 'Str+1' will match.	243	/* Do substring checks, so things like 'Str+1' will match.
280	* retval of these should perhaps be lower - they are lower	244	* retval of these should perhaps be lower - they are lower
281	* then the specific strcasecmp aboves, but still higher than	245	* then the specific strcasecmp aboves, but still higher than
282	* some other match criteria.	246	* some other match criteria.
283	*/	247	*/
…		…
285	retval = 12;	249	retval = 12;
286	else if (strstr (query_base_name (op, 0), cp))	250	else if (strstr (query_base_name (op, 0), cp))
287	retval = 12;	251	retval = 12;
288	else if (strstr (query_short_name (op), cp))	252	else if (strstr (query_short_name (op), cp))
289	retval = 12;	253	retval = 12;
290
291	/* Check against plural/non plural based on count. */	254	/* Check against plural/non plural based on count. */
292	else if (count > 1 && !strcasecmp (cp, op->name_pl))	255	else if (count > 1 && !strcasecmp (cp, op->name_pl))
293	{
294	retval = 6;	256	retval = 6;
295	}
296	else if (count == 1 && !strcasecmp (op->name, cp))	257	else if (count == 1 && !strcasecmp (op->name, cp))
297	{
298	retval = 6;	258	retval = 6;
299	}
300	/* base name matched - not bad */	259	/* base name matched - not bad */
301	else if (strcasecmp (cp, op->name) == 0 && !count)	260	else if (strcasecmp (cp, op->name) == 0 && !count)
302	retval = 4;	261	retval = 4;
303	/* Check for partial custom name, but give a real low priority */	262	/* Check for partial custom name, but give a real low priority */
304	else if (op->custom_name && strstr (op->custom_name, cp))	263	else if (op->custom_name.contains (cp))
305	retval = 3;	264	retval = 3;
306		265
307	if (retval)	266	if (retval)
308	{	267	{
309	if (pl->type == PLAYER)	268	if (pl->type == PLAYER)
310	pl->contr->count = count;	269	pl->contr->count = count;
		270
311	return retval;	271	return retval;
312	}	272	}
313	}	273	}
		274
314	return 0;	275	return 0;
315	}	276	}
316		277
		278	archetype::archetype (const char *name)
		279	{
		280	arch = this;
		281	this->archname = this->name = this->name_pl = name;
		282	}
		283
		284	archetype::~archetype ()
		285	{
		286	unlink ();
		287	}
		288
		289	void
		290	archetype::link ()
		291	{
		292	if (!archetypes.contains (this))
		293	{
		294	archetypes.insert (this);
		295	ht.insert (std::make_pair (archname, this));
		296	}
		297	}
		298
		299	void
		300	archetype::unlink ()
		301	{
		302	if (archetypes.contains (this))
		303	{
		304	archetypes.erase (this);
		305	ht.erase (archname);
		306	}
		307	}
		308
317	/*	309	/*
318	* Initialises the internal linked list of archetypes (read from file).	310	* Finds, using the hashtable, which archetype matches the given name.
319	* Then the global "empty_archetype" pointer is initialised.	311	* returns a pointer to the found archetype, otherwise NULL.
320	* Then the blocksview[] array is initialised.
321	*/	312	*/
		313	archetype *
		314	archetype::find (const char *name)
		315	{
		316	if (!name)
		317	return 0;
		318
		319	auto (i, ht.find (name));
		320
		321	if (i == ht.end ())
		322	return 0;
		323	else
		324	return i->second;
		325	}
		326
		327	archetype *
		328	archetype::read (object_thawer &f)
		329	{
		330	assert (f.kw == KW_object);
		331
		332	std::vector<archetype *> parts;
		333
		334	coroapi::cede_to_tick ();
		335
		336	for (;;)
		337	{
		338	archetype *at = new archetype (f.get_str ());
		339
		340	f.next ();
		341
		342	#if 0
		343	// implementing it here in the server does neither allow multiple inheritence
		344	// nor does it cleanly "just override". it would allow use in map files, though,
		345	// and other resource files dynamically laoded (as opposed to being preprocessed).
		346	// not that any of this is relevant as of yet...
		347	if (f.kw == KW_inherit)
		348	{
		349	if (archetype *at = find (f.get_str ()))
		350	*op = at->clone;
		351	else
		352	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		353	&at->archname, f.get_str ());
		354
		355	f.next ();
		356	}
		357	#endif
		358
		359	loading_arch = at; // hack to tell parse_kv et al. to behave
		360	bool parse_ok = at->parse_kv (f);
		361	loading_arch = 0;
		362
		363	if (!parse_ok)
		364	goto fail;
		365
		366	loading_arch = at; // hack to tell parse_kv et al. to behave
		367	at->post_load_check ();
		368	loading_arch = 0;
		369
		370	parts.push_back (at);
		371
		372	if (f.kw != KW_more)
		373	break;
		374
		375	f.next ();
		376
		377	if (f.kw != KW_object)
		378	{
		379	f.parse_error ("more object");
		380	goto fail;
		381	}
		382	}
		383
		384	{
		385	auto (at, parts.begin ());
		386
		387	archetype *new_head = parts.front ();
		388	archetype *old_head = find (new_head->archname);
		389
		390	if (old_head && !old_head->is_head ())
		391	{
		392	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		393	&new_head->archname, &old_head->archname);
		394	goto fail;
		395	}
		396
		397	// check that all archetypes belong to the same old object or are new
		398	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		399	{
		400	archetype new_part = at;
		401	archetype *old_part = find (new_part->archname);
		402
		403	if (old_part && old_part->head_ () != old_head)
		404	{
		405	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		406	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		407	goto fail;
		408	}
		409	}
		410
		411	// assemble new chain
		412	new_head->min_x = new_head->max_x = new_head->x;
		413	new_head->min_y = new_head->max_y = new_head->y;
		414
		415	archetype *less = new_head;
		416	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		417	{
		418	archetype at = p;
		419
		420	// some flags get inherited from the head (probably a lot more)
		421	// doing it here doesn't feel too cozy, but it allows code
		422	// to ignore head checks for these flags, which saves time
		423	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		424	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		425	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		426	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		427
		428	new_head->min_x = min (new_head->min_x, at->x);
		429	new_head->min_y = min (new_head->min_y, at->y);
		430	new_head->max_x = max (new_head->max_x, at->x);
		431	new_head->max_y = max (new_head->max_y, at->y);
		432
		433	at->head = new_head;
		434	less->more = at;
		435	less = at;
		436	}
		437
		438	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		439
		440	return new_head;
		441	}
		442
		443	fail:
		444	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		445	(*p)->destroy ();
		446
		447	return 0;
		448	}
322		449
323	void	450	void
324	init_archetypes (void)	451	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
325	{ /* called from add_player() and edit() */	452	{
326	if (first_archetype != NULL) /* Only do this once */	453	ref = 0;
327	return;	454	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
328
329	arch_init = 1;
330	load_archetypes ();
331	arch_init = 0;
332	empty_archetype = archetype::find ("empty_archetype");
333
334	/* init_blocksview();*/
335	}	455	}
336
337	/*
338	* Stores debug-information about how efficient the hashtable
339	* used for archetypes has been in the static errmsg array.
340	*/
341		456
342	void	457	void
343	arch_info (object *op)	458	archetype::commit_load ()
344	{	459	{
345	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	460	// unlink old archetypes and link in new ones */
346	new_draw_info (NDI_BLACK, 0, op, errmsg);	461	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
347	}	462	{
		463	archetype at = p;
348		464
349	/*	465	if (archetype *old = find (at->archname))
350	* Initialise the hashtable used by the archetypes.	466	old->unlink ();
351	*/	467
		468	allarch.push_back (at);
		469
		470	at->link ();
		471	++dirtycnt;
		472	}
		473
		474	postponed_arch.clear ();
		475
		476	// now resolve arch references
		477	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		478	{
		479	arch_ptr *ap = p->first;
		480	archetype *at = find (p->second);
		481
		482	if (!at)
		483	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		484
		485	*ap = at;
		486	}
		487
		488	postponed_arch_ref.clear ();
		489
		490	empty = find (shstr_empty_archetype);
		491	}
352		492
353	void	493	void
354	clear_archetable (void)	494	archetype::gc ()
355	{	495	{
356	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	496	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
357	}	497	dirtycnt = max (0, dirtycnt - cnt);
358		498
359	/*	499	do
360	* An alternative way to init the hashtable which is slower, but _works_...
361	*/
362
363	void
364	init_archetable (void)
365	{
366	archetype *
367	at;
368
369	LOG (llevDebug, " Setting up archetable...\n");
370
371	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
372	add_arch (at);
373
374	LOG (llevDebug, "done\n");
375	}
376
377	/*
378	* Dumps an archetype to debug-level output.
379	*/
380
381	void
382	dump_arch (archetype *at)
383	{
384	dump_object (&at->clone);
385	}
386
387	/*
388	* Dumps _all_ archetypes to debug-level output.
389	* If you run crossfire with debug, and enter DM-mode, you can trigger
390	* this with the O key.
391	*/
392
393	void
394	dump_all_archetypes (void)
395	{
396	archetype *
397	at;
398
399	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
400	{
401	dump_arch (at);
402	fprintf (logfile, "%s\n", errmsg);
403	}	500	{
404	}	501	static int idx;
405		502
406	void	503	if (idx >= allarch.size ())
407	free_all_archs (void)	504	if (idx)
408	{	505	idx = 0;
409	archetype *	506	else
410	at, *	507	return;
411	next;
412	int
413	i = 0, f = 0;
414		508
415	for (at = first_archetype; at != NULL; at = next)	509	archetype *at = allarch [idx];
416	{	510
417	if (at->more)	511	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
418	next = at->more;	512	++idx;
419	else	513	else
420	next = at->next;
421
422	delete
423	at;
424
425	i++;
426	}
427	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
428	}
429
430	archetype::archetype ()
431	{
432	clear_object (&clone); /* to initial state other also */
433	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
434	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
435	}
436
437	archetype::~archetype ()
438	{
439	}
440
441	/*
442	* Reads/parses the archetype-file, and copies into a linked list
443	* of archetype-structures.
444	*/
445	void
446	first_arch_pass (object_thawer & fp)
447	{
448	archetype *
449	at, *
450	head = NULL, *last_more = NULL;
451
452	at->clone.arch = first_archetype = at = new archetype;
453
454	while (int i = load_object (fp, &at->clone, 0))
455	{
456	at->clone.speed_left = (float) (-0.1);
457	/* copy the body_info to the body_used - this is only really
458	* need for monsters, but doesn't hurt to do it for everything.
459	* by doing so, when a monster is created, it has good starting
460	* values for the body_used info, so when items are created
461	* for it, they can be properly equipped.
462	*/
463	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
464
465	switch (i)
466	{	514	{
467	case LL_NORMAL: /* A new archetype, just link it with the previous */	515	LOG (llevDebug, "garbage collect arch %s", &at->archname);
468	if (last_more != NULL)	516	assert (at->arch == at); // verify that refcnt == 1 is truly valid
469	last_more->next = at;	517	allarch.erase (idx);
470	if (head != NULL)
471	head->next = at;
472	head = last_more = at;
473	#if 0
474	if (!op->type)
475	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
476	#endif
477	at->tail_x = 0;
478	at->tail_y = 0;
479	break;
480		518
481	case LL_MORE: /* Another part of the previous archetype, link it correctly */	519	// break chain
482		520	for (object *op = at->head_ (); op; )
483	at->head = head;
484	at->clone.head = &head->clone;
485	if (last_more != NULL)
486	{	521	{
		522	object *next = op->more;
		523	op->head = 0;
487	last_more->more = at;	524	op->more = 0;
488	last_more->clone.more = &at->clone;	525	op = next;
489	}	526	}
490	last_more = at;
491		527
492	/* If this multipart image is still composed of individual small	528	at->destroy ();
493	* images, don't set the tail_.. values. We can't use them anyways,	529	at->arch = 0;
494	* and setting these to zero makes the map sending to the client much
495	* easier as just looking at the head, we know what to do.
496	*/
497	if (at->clone.face != head->clone.face)
498	{
499	head->tail_x = 0;
500	head->tail_y = 0;
501	}
502	else
503	{
504	if (at->clone.x > head->tail_x)
505	head->tail_x = at->clone.x;
506	if (at->clone.y > head->tail_y)
507	head->tail_y = at->clone.y;
508	}
509	break;
510
511	}	530	}
512
513	at = new archetype;
514
515	at->clone.arch = at;
516	}
517
518	delete at;
519	}
520
521	/*
522	* Reads the archetype file once more, and links all pointers between
523	* archetypes.
524	*/
525
526	void
527	second_arch_pass (object_thawer & thawer)
528	{
529	char
530	buf[MAX_BUF], *
531	variable = buf, argument, cp;
532	archetype *
533	at = NULL, *other;
534
535	while (fgets (buf, MAX_BUF, thawer) != NULL)
536	{	531	}
537	if (*buf == '#')	532	while (--cnt);
538	continue;
539	if ((argument = strchr (buf, ' ')) != NULL)
540	{
541	*argument = '\0', argument++;
542	cp = argument + strlen (argument) - 1;
543	while (isspace (*cp))
544	{
545	*cp = '\0';
546	cp--;
547	}
548	}
549	if (!strcmp ("Object", variable))
550	{
551	if ((at = archetype::find (argument)) == NULL)
552	LOG (llevError, "Warning: failed to find arch %s\n", argument);
553	}
554	else if (!strcmp ("other_arch", variable))
555	{
556	if (at != NULL && at->clone.other_arch == NULL)
557	{
558	if ((other = archetype::find (argument)) == NULL)
559	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
560	else if (at != NULL)
561	at->clone.other_arch = other;
562	}
563	}
564	else if (!strcmp ("randomitems", variable))
565	{
566	if (at != NULL)
567	{
568	treasurelist *
569	tl = find_treasurelist (argument);
570
571	if (tl == NULL)
572	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
573	else
574	at->clone.randomitems = tl;
575	}
576	}
577	}
578	}	533	}
579		534
580	#ifdef DEBUG
581	void
582	check_generators (void)
583	{
584	archetype *
585	at;
586
587	for (at = first_archetype; at != NULL; at = at->next)
588	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
589	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
590	}
591	#endif
592
593	/*
594	* First initialises the archtype hash-table (init_archetable()).
595	* Reads and parses the archetype file (with the first and second-pass
596	* functions).
597	* Then initialises treasures by calling load_treasures().
598	*/
599
600	void
601	load_archetypes (void)
602	{
603	char
604	filename[MAX_BUF];
605
606	#if TIME_ARCH_LOAD
607	struct timeval
608	tv1,
609	tv2;
610	#endif
611
612	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
613	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
614
615	{
616	object_thawer
617	thawer (filename);
618
619	clear_archetable ();
620	LOG (llevDebug, " arch-pass 1...\n");
621	first_arch_pass (thawer);
622	LOG (llevDebug, " done\n");
623	}
624
625	init_archetable ();
626	warn_archetypes = 1;
627
628	{
629	object_thawer
630	thawer (filename);
631
632	LOG (llevDebug, " loading treasure...\n");
633	load_treasures ();
634	LOG (llevDebug, " done\n arch-pass 2...\n");
635	second_arch_pass (thawer);
636	LOG (llevDebug, " done\n");
637	#ifdef DEBUG
638	check_generators ();
639	#endif
640	}
641	LOG (llevDebug, " done\n");
642	}
643
644	/*
645	* Creates and returns a new object which is a copy of the given archetype.
646	* This function returns NULL on failure.
647	*/
648
649	object *
650	arch_to_object (archetype *at)
651	{
652	object *	535	object *
653	op;	536	archetype::instance ()
654		537	{
655	if (at == NULL)	538	object *op = clone ();
656	{
657	if (warn_archetypes)
658	LOG (llevError, "Couldn't find archetype.\n");
659
660	return NULL;
661	}
662
663	op = get_object ();
664	copy_object (&at->clone, op);
665	op->arch = at;
666	op->instantiate ();	539	op->instantiate ();
667	return op;	540	return op;
668	}	541	}
669		542
670	/*	543	/*
671	* Creates an object. This function is called by get_archetype()	544	* Creates an object. This function is called by get_archetype()
672	* if it fails to find the appropriate archetype.	545	* if it fails to find the appropriate archetype.
673	* Thus get_archetype() will be guaranteed to always return	546	* Thus get_archetype() will be guaranteed to always return
674	* an object, and never NULL.	547	* an object, and never NULL.
675	*/	548	*/
676
677	object *	549	object *
678	create_singularity (const char *name)	550	create_singularity (const char *name)
679	{	551	{
680	object * op;	552	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
681	char buf[MAX_BUF];
682		553
683	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	554	if (!strcmp (name, "bug"))
684	op = get_object ();	555	abort ();
685	op->name = op->name_pl = buf;	556
686	SET_FLAG (op, FLAG_NO_PICK);	557	object *op = archetype::get (shstr_bug);
		558	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		559
687	return op;	560	return op;
688	}	561	}
689		562
690	/*	563	/*
691	* Finds which archetype matches the given name, and returns a new	564	* Finds which archetype matches the given name, and returns a new
692	* object containing a copy of the archetype.	565	* object containing a copy of the archetype.
693	*/	566	*/
694
695	object *	567	object *
696	get_archetype (const char *name)	568	get_archetype (const char *name)
697	{	569	{
		570	return archetype::get (name);
		571	}
		572
		573	object *
		574	archetype::get (const char *name)
		575	{
698	archetype *at = archetype::find (name);	576	archetype *at = find (name);
699		577
700	if (!at)	578	if (!at)
701	return create_singularity (name);	579	return create_singularity (name);
702		580
703	return arch_to_object (at);	581	return at->instance ();
704	}
705
706	/*
707	* Hash-function used by the arch-hashtable.
708	*/
709
710	unsigned long
711	hasharch (const char *str, int tablesize)
712	{
713	unsigned long hash = 0;
714	unsigned int i = 0;
715	const char *p;
716
717	/* use the one-at-a-time hash function, which supposedly is
718	* better than the djb2-like one used by perl5.005, but
719	* certainly is better then the bug used here before.
720	* see http://burtleburtle.net/bob/hash/doobs.html
721	*/
722	for (p = str; i < MAXSTRING && *p; p++, i++)
723	{
724	hash += *p;
725	hash += hash << 10;
726	hash ^= hash >> 6;
727	}
728
729	hash += hash << 3;
730	hash ^= hash >> 11;
731	hash += hash << 15;
732
733	return hash % tablesize;
734	}
735
736	/*
737	* Finds, using the hashtable, which archetype matches the given name.
738	* returns a pointer to the found archetype, otherwise NULL.
739	*/
740
741	archetype *
742	archetype::find (const char *name)
743	{
744	if (!name)
745	return 0;
746
747	#if USE_UNORDERED_MAP
748	AUTODECL (i, ht.find ((size_t) name));
749
750	if (i == ht.end ())
751	return 0;
752	else
753	return i->second;
754	#endif
755
756	archetype *at;
757	unsigned long index;
758
759	index = hasharch (name, ARCHTABLE);
760	arch_search++;
761	for (;;)
762	{
763	at = arch_table[index];
764
765	if (at == NULL)
766	{
767	if (warn_archetypes)
768	LOG (llevError, "Couldn't find archetype %s\n", name);
769
770	return NULL;
771	}
772
773	arch_cmp++;
774
775	if (!strcmp ((const char *) at->name, name))
776	return at;
777
778	if (++index >= ARCHTABLE)
779	index = 0;
780	}
781	}
782
783	/*
784	* Adds an archetype to the hashtable.
785	*/
786
787	static void
788	add_arch (archetype *at)
789	{
790	#if USE_UNORDERED_MAP
791	ht.insert (std::make_pair ((size_t) (const char *) at->name, at));
792	#endif
793
794	int index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
795
796	for (;;)
797	{
798	if (arch_table[index] == NULL)
799	{
800	arch_table[index] = at;
801	return;
802	}
803
804	if (++index == ARCHTABLE)
805	index = 0;
806
807	if (index == org_index)
808	fatal (ARCHTABLE_TOO_SMALL);
809	}
810	}	582	}
811		583
812	/*	584	/*
813	* Returns the first archetype using the given type.	585	* Returns the first archetype using the given type.
814	* Used in treasure-generation.	586	* Used in treasure-generation.
815	*/	587	*/
816
817	archetype *	588	archetype *
818	type_to_archetype (int type)	589	type_to_archetype (int type)
819	{	590	{
820	archetype *at;	591	for_all_archetypes (at)
821		592	if (at->type == type && at->head_ () != at)
822	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
823	if (at->clone.type == type)
824	return at;	593	return at;
825		594
826	return 0;	595	return 0;
827	}	596	}
828		597
829	/*	598	/*
830	* Returns a new object copied from the first archetype matching	599	* Returns a new object copied from the first archetype matching
831	* the given type.	600	* the given type.
832	* Used in treasure-generation.	601	* Used in treasure-generation.
833	*/	602	*/
834
835	object *	603	object *
836	clone_arch (int type)	604	clone_arch (int type)
837	{	605	{
838	archetype *at;	606	archetype *at = type_to_archetype (type);
839	object *op = get_object ();
840		607
841	if ((at = type_to_archetype (type)) == NULL)	608	if (!at)
842	{	609	{
843	LOG (llevError, "Can't clone archetype %d\n", type);	610	LOG (llevError, "Can't clone archetype %d\n", type);
844	free_object (op);
845	return NULL;	611	return 0;
846	}	612	}
847		613
848	copy_object (&at->clone, op);	614	return at->instance ();
849	op->instantiate ();
850	return op;
851	}	615	}
852		616
853	/*	617	/*
854	* member: make instance from class	618	* member: make instance from class
855	*/	619	*/
856
857	object *	620	object *
858	object_create_arch (archetype *at)	621	object_create_arch (archetype *at)
859	{	622	{
860	object op, prev = 0, *head = 0;	623	object op, prev = 0, *head = 0;
861		624
862	while (at)	625	while (at)
863	{	626	{
864	op = arch_to_object (at);	627	op = at->instance ();
		628
865	op->x = at->clone.x;	629	op->x = at->x;
866	op->y = at->clone.y;	630	op->y = at->y;
867		631
868	if (head)	632	if (head)
869	op->head = head, prev->more = op;	633	op->head = head, prev->more = op;
870		634
871	if (!head)	635	if (!head)
872	head = op;	636	head = op;
873		637
874	prev = op;	638	prev = op;
875	at = at->more;	639	at = (archetype *)at->more;
876	}	640	}
877		641
878	return (head);	642	return head;
879	}	643	}
880		644

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.21 by root, Thu Sep 14 22:33:58 2006 UTC vs. Revision 1.88 by root, Thu Jan 1 19:44:22 2009 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.21 by root, Thu Sep 14 22:33:58 2006 UTC vs.
Revision 1.88 by root, Thu Jan 1 19:44:22 2009 UTC