[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 1.92 by root, Thu Nov 5 15:43:21 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 it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* 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 Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <cassert>	25	#include <cassert>
25		26
26	#include <global.h>	27	#include <global.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 loader etc. to suppress/request special processing
38	int arch_search = 0; /* How many searches */	34	arch_ptr 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 (10000);
62	#else	47	archvec archetypes;
63	static arch_ptr arch_table[ARCHTABLE];	48	static unordered_vector<archetype *> allarch;
64	#endif	49	static int dirtycnt;
		50
		51	// the vector of other_arch references to be resolved
		52	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		53	// the vector of loaded but not yet committed archetypes
		54	static std::vector<archetype *> postponed_arch;
		55
		56	//+GPL
65		57
66	/**	58	/**
67	* GROS - This function retrieves an archetype given the name that appears	59	* GROS - This function retrieves an archetype given the name that appears
68	* during the game (for example, "writing pen" instead of "stylus").	60	* 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.	61	* It does not use the hashtable system, but browse the whole archlist each time.
75	* - the archetype found or null if nothing was found.	67	* - the archetype found or null if nothing was found.
76	*/	68	*/
77	archetype *	69	archetype *
78	find_archetype_by_object_name (const char *name)	70	find_archetype_by_object_name (const char *name)
79	{	71	{
80	archetype *at;	72	shstr_cmp name_cmp (name);
81		73
82	if (name == NULL)	74	for_all_archetypes (at)
83	return (archetype *) NULL;	75	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;	76	return at;
89	}	77
90	return NULL;	78	return 0;
91	}	79	}
92		80
93	/**	81	/**
94	* This function retrieves an archetype by type and name that appears during	82	* 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()	83	* the game. It is basically the same as find_archetype_by_object_name()
96	* except that it considers only items of the given type.	84	* except that it considers only items of the given type.
97	*/	85	*/
98	archetype *	86	archetype *
99	find_archetype_by_object_type_name (int type, const char *name)	87	find_archetype_by_object_type_name (int type, const char *name)
100	{	88	{
101	archetype *at;	89	shstr_cmp name_cmp (name);
102		90
103	if (name == NULL)	91	for_all_archetypes (at)
104	return NULL;	92	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;	93	return at;
110	}
111		94
112	return NULL;	95	return 0;
113	}	96	}
114		97
115	/* This is a lot like the above function. Instead, we are trying to match	98	/* 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	99	* 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).	100	* against (eg, to only match against skills or only skill objects for example).
118	* If type is -1, ew don't match on type.	101	* If type is -1, ew don't match on type.
119	*/	102	*/
120	object *	103	object *
121	get_archetype_by_skill_name (const char *skill, int type)	104	get_archetype_by_skill_name (const char *skill, int type)
122	{	105	{
123	archetype *	106	shstr_cmp skill_cmp (skill);
124	at;
125		107
126	if (skill == NULL)	108	for_all_archetypes (at)
127	return NULL;	109	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
		110	return at->instance ();
128		111
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;	112	return 0;
135	}	113	}
136		114
137	/* similiar to above - this returns the first archetype	115	/* similiar to above - this returns the first archetype
138	* that matches both the type and subtype. type and subtype	116	* 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	117	* can be -1 to say ignore, but in this case, the match it does
…		…
142	* (eg, skills)	120	* (eg, skills)
143	*/	121	*/
144	archetype *	122	archetype *
145	get_archetype_by_type_subtype (int type, int subtype)	123	get_archetype_by_type_subtype (int type, int subtype)
146	{	124	{
147	archetype *	125	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))	126	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
153	return at;	127	return at;
154	}	128
155	return NULL;	129	return 0;
156	}	130	}
157		131
158	/**	132	/**
159	* GROS - this returns a new object given the name that appears during the game	133	* GROS - this returns a new object given the name that appears during the game
160	* (for example, "writing pen" instead of "stylus").	134	* (for example, "writing pen" instead of "stylus").
…		…
162	* - name: The name we're searching for (ex: "writing pen");	136	* - name: The name we're searching for (ex: "writing pen");
163	* Return value:	137	* Return value:
164	* - a corresponding object if found; a singularity object if not found.	138	* - 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	139	* 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	140	* 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,	141	* doesn't allocate it each time - not that this function is used much,
168	* but it otherwise had a big memory leak.	142	* but it otherwise had a big memory leak.
169	*/	143	*/
170	object *	144	object *
171	get_archetype_by_object_name (const char *name)	145	get_archetype_by_object_name (const char *name)
172	{	146	{
173	archetype *at;
174	char tmpname[MAX_BUF];	147	char tmpname[MAX_BUF];
175	int i;
176		148
177	assign (tmpname, name);	149	assign (tmpname, name);
178		150
179	for (i = strlen (tmpname); i > 0; i--)	151	for (int i = strlen (tmpname); i > 0; i--)
180	{	152	{
181	tmpname[i] = 0;	153	tmpname[i] = 0;
		154
182	at = find_archetype_by_object_name (tmpname);	155	if (archetype *at = find_archetype_by_object_name (tmpname))
183		156	return at->instance ();
184	if (at != NULL)
185	return arch_to_object (at);
186	}	157	}
187		158
188	return create_singularity (name);	159	return create_singularity (name);
189	}	160	}
190		161
191	/* This is a subset of the parse_id command. Basically, name can be	162	/* 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.	163	* a string seperated lists of things to match, with certain keywords.
193	* pl is the player (only needed to set count properly)	164	* pl is the player (only needed to set count properly)
194	* op is the item we are trying to match. Calling function takes care	165	* 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	166	* 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	167	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
197	* value means a better match. 0 means no match.	168	* value means a better match. 0 means no match.
198	*	169	*
199	* Brief outline of the procedure:	170	* Brief outline of the procedure:
200	* We take apart the name variable into the individual components.	171	* We take apart the name variable into the individual components.
201	* cases for 'all' and unpaid are pretty obvious.	172	* cases for 'all' and unpaid are pretty obvious.
202	* Next, we check for a count (either specified in name, or in the	173	* Next, we check for a count (either specified in name, or in the
203	* player object.)	174	* player object.)
204	* If count is 1, make a quick check on the name.	175	* 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.	176	* IF count is >1, we need to make plural name. Return if match.
206	* Last, make a check on the full name.	177	* Last, make a check on the full name.
207	*/	178	*/
208	int	179	int
209	item_matched_string (object pl, object op, const char *name)	180	item_matched_string (object pl, object op, const char *name)
210	{	181	{
211	char *cp, local_name[MAX_BUF];	182	char *cp, local_name[MAX_BUF];
212	int count, retval = 0;	183	int count, retval = 0;
213		184
214	strcpy (local_name, name); /* strtok is destructive to name */	185	assign (local_name, name); /* strtok is destructive to name */
215		186
216	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	187	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
217	{	188	{
218	while (cp[0] == ' ')	189	while (cp[0] == ' ')
219	++cp; /* get rid of spaces */	190	++cp; /* get rid of spaces */
…		…
224	return 1;	195	return 1;
225		196
226	/* unpaid is a little more specific */	197	/* unpaid is a little more specific */
227	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))	198	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
228	return 2;	199	return 2;
		200
229	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))	201	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))
230	return 2;	202	return 2;
231		203
232	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))	204	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
233	return 2;	205	return 2;
…		…
255	* is because of the 'else' handling - we don't want to match on	227	* is because of the 'else' handling - we don't want to match on
256	* something and set a low retval, even though it may match a higher retcal	228	* something and set a low retval, even though it may match a higher retcal
257	* later. So keep it in descending order here, so we try for the best	229	* later. So keep it in descending order here, so we try for the best
258	* match first, and work downward.	230	* match first, and work downward.
259	*/	231	*/
		232	const char qbn0, qbn1, *qsn; // query base name/short name caches
		233
260	if (!strcasecmp (cp, query_name (op)))	234	if (!strcasecmp (cp, query_name (op)))
261	retval = 20;	235	retval = 20;
262	else if (!strcasecmp (cp, query_short_name (op)))	236	else if (!strcasecmp (cp, qsn = query_short_name (op)))
263	retval = 18;	237	retval = 18;
264	else if (!strcasecmp (cp, query_base_name (op, 0)))	238	else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
265	retval = 16;	239	retval = 16;
266	else if (!strcasecmp (cp, query_base_name (op, 1)))	240	else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
267	retval = 16;	241	retval = 16;
268	else if (op->custom_name && !strcasecmp (cp, op->custom_name))	242	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
269	retval = 15;	243	retval = 15;
270	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	244	else if (!strncasecmp (cp, qbn0, strlen (cp)))
271	retval = 14;	245	retval = 14;
272	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	246	else if (!strncasecmp (cp, qbn1, strlen (cp)))
273	retval = 14;	247	retval = 14;
274	/* Do substring checks, so things like 'Str+1' will match.	248	/* Do substring checks, so things like 'Str+1' will match.
275	* retval of these should perhaps be lower - they are lower	249	* retval of these should perhaps be lower - they are lower
276	* then the specific strcasecmp aboves, but still higher than	250	* then the specific strcasecmp aboves, but still higher than
277	* some other match criteria.	251	* some other match criteria.
278	*/	252	*/
279	else if (strstr (query_base_name (op, 1), cp))	253	else if (strstr (qbn1, cp))
280	retval = 12;	254	retval = 12;
281	else if (strstr (query_base_name (op, 0), cp))	255	else if (strstr (qbn0, cp))
282	retval = 12;	256	retval = 12;
283	else if (strstr (query_short_name (op), cp))	257	else if (strstr (qsn, cp))
284	retval = 12;	258	retval = 12;
285	/* Check against plural/non plural based on count. */	259	/* Check against plural/non plural based on count. */
286	else if (count > 1 && !strcasecmp (cp, op->name_pl))	260	else if (count > 1 && !strcasecmp (cp, op->name_pl))
287	retval = 6;	261	retval = 6;
288	else if (count == 1 && !strcasecmp (op->name, cp))	262	else if (count == 1 && !strcasecmp (op->name, cp))
289	retval = 6;	263	retval = 6;
290	/* base name matched - not bad */	264	/* base name matched - not bad */
291	else if (strcasecmp (cp, op->name) == 0 && !count)	265	else if (strcasecmp (cp, op->name) == 0 && !count)
292	retval = 4;	266	retval = 4;
293	/* Check for partial custom name, but give a real low priority */	267	/* Check for partial custom name, but give a real low priority */
294	else if (op->custom_name && strstr (op->custom_name, cp))	268	else if (op->custom_name.contains (cp))
295	retval = 3;	269	retval = 3;
296		270
297	if (retval)	271	if (retval)
298	{	272	{
299	if (pl->type == PLAYER)	273	if (pl->type == PLAYER)
…		…
304	}	278	}
305		279
306	return 0;	280	return 0;
307	}	281	}
308		282
		283	//-GPL
		284
		285	archetype::archetype (const char *name)
		286	{
		287	arch = this;
		288	this->archname = this->name = this->name_pl = name;
		289	}
		290
		291	archetype::~archetype ()
		292	{
		293	unlink ();
		294	}
		295
		296	void
		297	archetype::link ()
		298	{
		299	if (!archetypes.contains (this))
		300	{
		301	archetypes.insert (this);
		302	ht.insert (std::make_pair (archname, this));
		303	}
		304	}
		305
		306	void
		307	archetype::unlink ()
		308	{
		309	if (archetypes.contains (this))
		310	{
		311	archetypes.erase (this);
		312	ht.erase (archname);
		313	}
		314	}
		315
309	/*	316	/*
310	* Initialises the internal linked list of archetypes (read from file).	317	* Finds, using the hashtable, which archetype matches the given name.
311	* Then the global "empty_archetype" pointer is initialised.	318	* returns a pointer to the found archetype, otherwise NULL.
312	* Then the blocksview[] array is initialised.
313	*/	319	*/
		320	archetype *
		321	archetype::find (const char *name)
		322	{
		323	if (!name)
		324	return 0;
		325
		326	auto (i, ht.find (name));
		327
		328	if (i == ht.end ())
		329	return 0;
		330	else
		331	return i->second;
		332	}
		333
		334	archetype *
		335	archetype::read (object_thawer &f)
		336	{
		337	assert (f.kw == KW_object);
		338
		339	std::vector<archetype *> parts;
		340
		341	coroapi::cede_to_tick ();
		342
		343	for (;;)
		344	{
		345	archetype *at = new archetype (f.get_str ());
		346
		347	f.next ();
		348
		349	#if 0
		350	// implementing it here in the server does neither allow multiple inheritence
		351	// nor does it cleanly "just override". it would allow use in map files, though,
		352	// and other resource files dynamically laoded (as opposed to being preprocessed).
		353	// not that any of this is relevant as of yet...
		354	if (f.kw == KW_inherit)
		355	{
		356	if (archetype *at = find (f.get_str ()))
		357	*op = at->clone;
		358	else
		359	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		360	&at->archname, f.get_str ());
		361
		362	f.next ();
		363	}
		364	#endif
		365
		366	loading_arch = at; // hack to tell parse_kv et al. to behave
		367	bool parse_ok = at->parse_kv (f);
		368	loading_arch = 0;
		369
		370	if (!parse_ok)
		371	goto fail;
		372
		373	loading_arch = at; // hack to tell parse_kv et al. to behave
		374	at->post_load_check ();
		375	loading_arch = 0;
		376
		377	parts.push_back (at);
		378
		379	if (f.kw != KW_more)
		380	break;
		381
		382	f.next ();
		383
		384	if (f.kw != KW_object)
		385	{
		386	f.parse_error ("more object");
		387	goto fail;
		388	}
		389	}
		390
		391	{
		392	auto (at, parts.begin ());
		393
		394	archetype *new_head = parts.front ();
		395	archetype *old_head = find (new_head->archname);
		396
		397	if (old_head && !old_head->is_head ())
		398	{
		399	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		400	&new_head->archname, &old_head->archname);
		401	goto fail;
		402	}
		403
		404	// check that all archetypes belong to the same old object or are new
		405	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		406	{
		407	archetype new_part = at;
		408	archetype *old_part = find (new_part->archname);
		409
		410	if (old_part && old_part->head_ () != old_head)
		411	{
		412	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		413	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		414	goto fail;
		415	}
		416	}
		417
		418	// assemble new chain
		419	new_head->min_x = new_head->max_x = new_head->x;
		420	new_head->min_y = new_head->max_y = new_head->y;
		421
		422	archetype *less = new_head;
		423	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		424	{
		425	archetype at = p;
		426
		427	// some flags get inherited from the head (probably a lot more)
		428	// doing it here doesn't feel too cozy, but it allows code
		429	// to ignore head checks for these flags, which saves time
		430	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		431	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		432	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		433	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		434
		435	new_head->min_x = min (new_head->min_x, at->x);
		436	new_head->min_y = min (new_head->min_y, at->y);
		437	new_head->max_x = max (new_head->max_x, at->x);
		438	new_head->max_y = max (new_head->max_y, at->y);
		439
		440	at->head = new_head;
		441	less->more = at;
		442	less = at;
		443	}
		444
		445	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		446
		447	return new_head;
		448	}
		449
		450	fail:
		451	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		452	(*p)->destroy ();
		453
		454	return 0;
		455	}
314		456
315	void	457	void
316	init_archetypes (void)	458	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
317	{ /* called from add_player() and edit() */	459	{
318	if (first_archetype != NULL) /* Only do this once */	460	ref = 0;
319	return;	461	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
320
321	arch_init = 1;
322	load_archetypes ();
323	arch_init = 0;
324	empty_archetype = archetype::find ("empty_archetype");
325
326	/* init_blocksview();*/
327	}	462	}
328
329	/*
330	* Stores debug-information about how efficient the hashtable
331	* used for archetypes has been in the static errmsg array.
332	*/
333		463
334	void	464	void
335	arch_info (object *op)	465	archetype::commit_load ()
336	{	466	{
337	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	467	// unlink old archetypes and link in new ones */
338	new_draw_info (NDI_BLACK, 0, op, errmsg);	468	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
339	}	469	{
		470	archetype at = p;
340		471
341	/*	472	if (archetype *old = find (at->archname))
342	* Initialise the hashtable used by the archetypes.	473	old->unlink ();
343	*/	474
		475	allarch.push_back (at);
		476
		477	at->link ();
		478	++dirtycnt;
		479	}
		480
		481	postponed_arch.clear ();
		482
		483	// now resolve arch references
		484	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		485	{
		486	arch_ptr *ap = p->first;
		487	archetype *at = find (p->second);
		488
		489	if (!at)
		490	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		491
		492	*ap = at;
		493	}
		494
		495	postponed_arch_ref.clear ();
		496
		497	empty = find (shstr_empty_archetype);
		498	}
344		499
345	void	500	void
346	clear_archetable (void)	501	archetype::gc ()
347	{	502	{
348	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	503	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
349	}	504	dirtycnt = max (0, dirtycnt - cnt);
350		505
351	/*	506	do
352	* An alternative way to init the hashtable which is slower, but _works_...
353	*/
354
355	void
356	init_archetable (void)
357	{
358	archetype *at;
359
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	{	507	{
376	if (at->more)	508	static int idx;
377	next = at->more;	509
		510	if (idx >= allarch.size ())
		511	if (idx)
		512	idx = 0;
		513	else
		514	return;
		515
		516	archetype *at = allarch [idx];
		517
		518	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		519	++idx;
378	else	520	else
379	next = at->next;
380
381	delete
382	at;
383
384	i++;
385	}
386
387	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
388	}
389
390	archetype::archetype ()
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	{
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
423	switch (i)
424	{	521	{
425	case LL_NORMAL: /* A new archetype, just link it with the previous */	522	LOG (llevDebug, "garbage collect arch %s", &at->archname);
426	if (last_more != NULL)	523	assert (at->arch == at); // verify that refcnt == 1 is truly valid
427	last_more->next = at;	524	allarch.erase (idx);
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		525
439	case LL_MORE: /* Another part of the previous archetype, link it correctly */	526	// break chain
440		527	for (object *op = at->head_ (); op; )
441	at->head = head;
442	at->clone.head = &head->clone;
443	if (last_more != NULL)
444	{	528	{
		529	object *next = op->more;
		530	op->head = 0;
445	last_more->more = at;	531	op->more = 0;
446	last_more->clone.more = &at->clone;	532	op = next;
447	}	533	}
448	last_more = at;
449		534
450	/* If this multipart image is still composed of individual small	535	at->destroy ();
451	* images, don't set the tail_.. values. We can't use them anyways,	536	at->arch = 0;
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	}	537	}
470
471	at = new archetype;
472
473	at->clone.arch = at;
474	}
475
476	delete at;
477	}
478
479	/*
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	{	538	}
492	if (*buf == '#')	539	while (--cnt);
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
525	if (tl == NULL)
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	}	540	}
533		541
534	#ifdef DEBUG
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	}
589
590	/*
591	* Creates and returns a new object which is a copy of the given archetype.
592	* This function returns NULL on failure.
593	*/
594
595	object *
596	arch_to_object (archetype *at)
597	{
598	object *op;	542	object *
599		543	archetype::instance ()
600	if (at == NULL)	544	{
601	{	545	object *op = clone ();
602	if (warn_archetypes)
603	LOG (llevError, "Couldn't find archetype.\n");
604
605	return NULL;
606	}
607
608	op = get_object ();
609	copy_object (&at->clone, op);
610	op->arch = at;
611	op->instantiate ();	546	op->instantiate ();
612	return op;	547	return op;
613	}	548	}
		549
		550	//+GPL
614		551
615	/*	552	/*
616	* Creates an object. This function is called by get_archetype()	553	* Creates an object. This function is called by get_archetype()
617	* if it fails to find the appropriate archetype.	554	* if it fails to find the appropriate archetype.
618	* Thus get_archetype() will be guaranteed to always return	555	* Thus get_archetype() will be guaranteed to always return
619	* an object, and never NULL.	556	* an object, and never NULL.
620	*/	557	*/
621
622	object *	558	object *
623	create_singularity (const char *name)	559	create_singularity (const char *name)
624	{	560	{
625	object *op;	561	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
626	char buf[MAX_BUF];
627		562
628	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	563	if (!strcmp (name, "bug"))
629	op = get_object ();	564	abort ();
630	op->name = op->name_pl = buf;	565
631	SET_FLAG (op, FLAG_NO_PICK);	566	object *op = archetype::get (shstr_bug);
		567	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		568
632	return op;	569	return op;
633	}	570	}
634		571
635	/*	572	/*
636	* Finds which archetype matches the given name, and returns a new	573	* Finds which archetype matches the given name, and returns a new
637	* object containing a copy of the archetype.	574	* object containing a copy of the archetype.
638	*/	575	*/
639
640	object *	576	object *
641	get_archetype (const char *name)	577	get_archetype (const char *name)
642	{	578	{
		579	return archetype::get (name);
		580	}
		581
		582	object *
		583	archetype::get (const char *name)
		584	{
643	archetype *at = archetype::find (name);	585	archetype *at = find (name);
644		586
645	if (!at)	587	if (!at)
646	return create_singularity (name);	588	return create_singularity (name);
647		589
648	return arch_to_object (at);	590	return at->instance ();
649	}
650
651	/*
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	}	591	}
782		592
783	/*	593	/*
784	* Returns the first archetype using the given type.	594	* Returns the first archetype using the given type.
785	* Used in treasure-generation.	595	* Used in treasure-generation.
786	*/	596	*/
787
788	archetype *	597	archetype *
789	type_to_archetype (int type)	598	type_to_archetype (int type)
790	{	599	{
791	archetype *at;	600	for_all_archetypes (at)
792		601	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;	602	return at;
796		603
797	return 0;	604	return 0;
798	}	605	}
799		606
800	/*	607	/*
801	* Returns a new object copied from the first archetype matching	608	* Returns a new object copied from the first archetype matching
802	* the given type.	609	* the given type.
803	* Used in treasure-generation.	610	* Used in treasure-generation.
804	*/	611	*/
805
806	object *	612	object *
807	clone_arch (int type)	613	clone_arch (int type)
808	{	614	{
809	archetype *at;	615	archetype *at = type_to_archetype (type);
810	object *op = get_object ();
811		616
812	if ((at = type_to_archetype (type)) == NULL)	617	if (!at)
813	{	618	{
814	LOG (llevError, "Can't clone archetype %d\n", type);	619	LOG (llevError, "Can't clone archetype %d\n", type);
815	free_object (op);
816	return NULL;	620	return 0;
817	}	621	}
818		622
819	copy_object (&at->clone, op);	623	return at->instance ();
820	op->instantiate ();
821	return op;
822	}	624	}
823		625
824	/*	626	/*
825	* member: make instance from class	627	* member: make instance from class
826	*/	628	*/
827
828	object *	629	object *
829	object_create_arch (archetype *at)	630	object_create_arch (archetype *at)
830	{	631	{
831	object op, prev = 0, *head = 0;	632	object op, prev = 0, *head = 0;
832		633
833	while (at)	634	while (at)
834	{	635	{
835	op = arch_to_object (at);	636	op = at->instance ();
		637
836	op->x = at->clone.x;	638	op->x = at->x;
837	op->y = at->clone.y;	639	op->y = at->y;
838		640
839	if (head)	641	if (head)
840	op->head = head, prev->more = op;	642	op->head = head, prev->more = op;
841		643
842	if (!head)	644	if (!head)
843	head = op;	645	head = op;
844		646
845	prev = op;	647	prev = op;
846	at = at->more;	648	at = (archetype *)at->more;
847	}	649	}
848		650
849	return (head);	651	return head;
850	}	652	}
851		653
		654	//-GPL
		655

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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 1.92 by root, Thu Nov 5 15:43:21 2009 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 1.92 by root, Thu Nov 5 15:43:21 2009 UTC