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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.35 by root, Wed Jan 3 20:32:13 2007 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 *at;	106	shstr_cmp skill_cmp (skill);
124		107
125	if (skill)	108	for_all_archetypes (at)
126	for (at = first_archetype; at; at = at->next)	109	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
127	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))	110	return at->instance ();
128	return arch_to_object (at);
129		111
130	return 0;	112	return 0;
131	}	113	}
132		114
133	/* similiar to above - this returns the first archetype	115	/* similiar to above - this returns the first archetype
…		…
138	* (eg, skills)	120	* (eg, skills)
139	*/	121	*/
140	archetype *	122	archetype *
141	get_archetype_by_type_subtype (int type, int subtype)	123	get_archetype_by_type_subtype (int type, int subtype)
142	{	124	{
143	archetype *	125	for_all_archetypes (at)
144	at;
145
146	for (at = first_archetype; at != NULL; at = at->next)
147	{
148	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))
149	return at;	127	return at;
150	}	128
151	return NULL;	129	return 0;
152	}	130	}
153		131
154	/**	132	/**
155	* 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
156	* (for example, "writing pen" instead of "stylus").	134	* (for example, "writing pen" instead of "stylus").
…		…
158	* - name: The name we're searching for (ex: "writing pen");	136	* - name: The name we're searching for (ex: "writing pen");
159	* Return value:	137	* Return value:
160	* - a corresponding object if found; a singularity object if not found.	138	* - a corresponding object if found; a singularity object if not found.
161	* 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
162	* 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
163	* 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,
164	* but it otherwise had a big memory leak.	142	* but it otherwise had a big memory leak.
165	*/	143	*/
166	object *	144	object *
167	get_archetype_by_object_name (const char *name)	145	get_archetype_by_object_name (const char *name)
168	{	146	{
169	archetype *at;
170	char tmpname[MAX_BUF];	147	char tmpname[MAX_BUF];
171	int i;
172		148
173	assign (tmpname, name);	149	assign (tmpname, name);
174		150
175	for (i = strlen (tmpname); i > 0; i--)	151	for (int i = strlen (tmpname); i > 0; i--)
176	{	152	{
177	tmpname[i] = 0;	153	tmpname[i] = 0;
		154
178	at = find_archetype_by_object_name (tmpname);	155	if (archetype *at = find_archetype_by_object_name (tmpname))
179		156	return at->instance ();
180	if (at)
181	return arch_to_object (at);
182	}	157	}
183		158
184	return create_singularity (name);	159	return create_singularity (name);
185	}	160	}
186		161
187	/* 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
188	* a string seperated lists of things to match, with certain keywords.	163	* a string seperated lists of things to match, with certain keywords.
189	* pl is the player (only needed to set count properly)	164	* pl is the player (only needed to set count properly)
190	* 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
191	* 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
192	* (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
193	* value means a better match. 0 means no match.	168	* value means a better match. 0 means no match.
194	*	169	*
195	* Brief outline of the procedure:	170	* Brief outline of the procedure:
196	* We take apart the name variable into the individual components.	171	* We take apart the name variable into the individual components.
197	* cases for 'all' and unpaid are pretty obvious.	172	* cases for 'all' and unpaid are pretty obvious.
198	* 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
199	* player object.)	174	* player object.)
200	* If count is 1, make a quick check on the name.	175	* If count is 1, make a quick check on the name.
201	* 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.
202	* Last, make a check on the full name.	177	* Last, make a check on the full name.
203	*/	178	*/
204	int	179	int
205	item_matched_string (object pl, object op, const char *name)	180	item_matched_string (object pl, object op, const char *name)
206	{	181	{
207	char *cp, local_name[MAX_BUF];	182	char *cp, local_name[MAX_BUF];
208	int count, retval = 0;	183	int count, retval = 0;
209		184
210	strcpy (local_name, name); /* strtok is destructive to name */	185	assign (local_name, name); /* strtok is destructive to name */
211		186
212	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	187	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
213	{	188	{
214	while (cp[0] == ' ')	189	while (cp[0] == ' ')
215	++cp; /* get rid of spaces */	190	++cp; /* get rid of spaces */
…		…
220	return 1;	195	return 1;
221		196
222	/* unpaid is a little more specific */	197	/* unpaid is a little more specific */
223	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))	198	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
224	return 2;	199	return 2;
		200
225	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)))
226	return 2;	202	return 2;
227		203
228	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))	204	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
229	return 2;	205	return 2;
…		…
251	* 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
252	* 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
253	* 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
254	* match first, and work downward.	230	* match first, and work downward.
255	*/	231	*/
		232	const char qbn0, qbn1, *qsn; // query base name/short name caches
		233
256	if (!strcasecmp (cp, query_name (op)))	234	if (!strcasecmp (cp, query_name (op)))
257	retval = 20;	235	retval = 20;
258	else if (!strcasecmp (cp, query_short_name (op)))	236	else if (!strcasecmp (cp, qsn = query_short_name (op)))
259	retval = 18;	237	retval = 18;
260	else if (!strcasecmp (cp, query_base_name (op, 0)))	238	else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
261	retval = 16;	239	retval = 16;
262	else if (!strcasecmp (cp, query_base_name (op, 1)))	240	else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
263	retval = 16;	241	retval = 16;
264	else if (op->custom_name && !strcasecmp (cp, op->custom_name))	242	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
265	retval = 15;	243	retval = 15;
266	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	244	else if (!strncasecmp (cp, qbn0, strlen (cp)))
267	retval = 14;	245	retval = 14;
268	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	246	else if (!strncasecmp (cp, qbn1, strlen (cp)))
269	retval = 14;	247	retval = 14;
270	/* Do substring checks, so things like 'Str+1' will match.	248	/* Do substring checks, so things like 'Str+1' will match.
271	* retval of these should perhaps be lower - they are lower	249	* retval of these should perhaps be lower - they are lower
272	* then the specific strcasecmp aboves, but still higher than	250	* then the specific strcasecmp aboves, but still higher than
273	* some other match criteria.	251	* some other match criteria.
274	*/	252	*/
275	else if (strstr (query_base_name (op, 1), cp))	253	else if (strstr (qbn1, cp))
276	retval = 12;	254	retval = 12;
277	else if (strstr (query_base_name (op, 0), cp))	255	else if (strstr (qbn0, cp))
278	retval = 12;	256	retval = 12;
279	else if (strstr (query_short_name (op), cp))	257	else if (strstr (qsn, cp))
280	retval = 12;	258	retval = 12;
281	/* Check against plural/non plural based on count. */	259	/* Check against plural/non plural based on count. */
282	else if (count > 1 && !strcasecmp (cp, op->name_pl))	260	else if (count > 1 && !strcasecmp (cp, op->name_pl))
283	retval = 6;	261	retval = 6;
284	else if (count == 1 && !strcasecmp (op->name, cp))	262	else if (count == 1 && !strcasecmp (op->name, cp))
285	retval = 6;	263	retval = 6;
286	/* base name matched - not bad */	264	/* base name matched - not bad */
287	else if (strcasecmp (cp, op->name) == 0 && !count)	265	else if (strcasecmp (cp, op->name) == 0 && !count)
288	retval = 4;	266	retval = 4;
289	/* Check for partial custom name, but give a real low priority */	267	/* Check for partial custom name, but give a real low priority */
290	else if (op->custom_name && strstr (op->custom_name, cp))	268	else if (op->custom_name.contains (cp))
291	retval = 3;	269	retval = 3;
292		270
293	if (retval)	271	if (retval)
294	{	272	{
295	if (pl->type == PLAYER)	273	if (pl->type == PLAYER)
…		…
300	}	278	}
301		279
302	return 0;	280	return 0;
303	}	281	}
304		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
305	/*	316	/*
306	* Initialises the internal linked list of archetypes (read from file).	317	* Finds, using the hashtable, which archetype matches the given name.
307	* Then the global "empty_archetype" pointer is initialised.	318	* returns a pointer to the found archetype, otherwise NULL.
308	* Then the blocksview[] array is initialised.
309	*/	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	}
310		456
311	void	457	void
312	init_archetypes (void)	458	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
313	{ /* called from add_player() and edit() */	459	{
314	if (first_archetype != NULL) /* Only do this once */	460	ref = 0;
315	return;	461	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
316
317	arch_init = 1;
318	load_archetypes ();
319	arch_init = 0;
320	empty_archetype = archetype::find ("empty_archetype");
321
322	/* init_blocksview();*/
323	}	462	}
324
325	/*
326	* Stores debug-information about how efficient the hashtable
327	* used for archetypes has been in the static errmsg array.
328	*/
329		463
330	void	464	void
331	arch_info (object *op)	465	archetype::commit_load ()
332	{	466	{
333	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	467	// unlink old archetypes and link in new ones */
334	new_draw_info (NDI_BLACK, 0, op, errmsg);	468	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
335	}	469	{
		470	archetype at = p;
336		471
337	/*	472	if (archetype *old = find (at->archname))
338	* Initialise the hashtable used by the archetypes.	473	old->unlink ();
339	*/	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	}
340		499
341	void	500	void
342	clear_archetable (void)	501	archetype::gc ()
343	{	502	{
344	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	503	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
345	}	504	dirtycnt = max (0, dirtycnt - cnt);
346		505
347	/*	506	do
348	* An alternative way to init the hashtable which is slower, but _works_...
349	*/
350
351	void
352	init_archetable (void)
353	{
354	archetype *at;
355
356	LOG (llevDebug, " Setting up archetable...\n");
357
358	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
359	at->hash_add ();
360
361	LOG (llevDebug, "done\n");
362	}
363
364	void
365	free_all_archs (void)
366	{
367	archetype at, next;
368	int i = 0, f = 0;
369
370	for (at = first_archetype; at != NULL; at = next)
371	{	507	{
372	if (at->more)	508	static int idx;
373	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;
374	else	520	else
375	next = at->next;
376
377	delete
378	at;
379
380	i++;
381	}
382
383	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
384	}
385
386	archetype::archetype ()
387	{
388	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
389	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
390	}
391
392	archetype::~archetype ()
393	{
394	}
395
396	/*
397	* Reads/parses the archetype-file, and copies into a linked list
398	* of archetype-structures.
399	*/
400	void
401	first_arch_pass (object_thawer & fp)
402	{
403	archetype head = 0, last_more = 0;
404
405	archetype *at = new archetype;
406	at->clone.arch = first_archetype = at;
407
408	while (int i = load_object (fp, &at->clone, 0))
409	{
410	at->clone.speed_left = (float) (-0.1);
411	/* copy the body_info to the body_used - this is only really
412	* need for monsters, but doesn't hurt to do it for everything.
413	* by doing so, when a monster is created, it has good starting
414	* values for the body_used info, so when items are created
415	* for it, they can be properly equipped.
416	*/
417	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
418
419	switch (i)
420	{	521	{
421	case LL_NORMAL: /* A new archetype, just link it with the previous */	522	LOG (llevDebug, "garbage collect arch %s", &at->archname);
422	if (last_more != NULL)	523	assert (at->arch == at); // verify that refcnt == 1 is truly valid
423	last_more->next = at;	524	allarch.erase (idx);
424	if (head != NULL)
425	head->next = at;
426	head = last_more = at;
427	#if 0
428	if (!op->type)
429	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
430	#endif
431	at->tail_x = 0;
432	at->tail_y = 0;
433	break;
434		525
435	case LL_MORE: /* Another part of the previous archetype, link it correctly */	526	// break chain
436		527	for (object *op = at->head_ (); op; )
437	at->head = head;
438	at->clone.head = &head->clone;
439	if (last_more != NULL)
440	{	528	{
		529	object *next = op->more;
		530	op->head = 0;
441	last_more->more = at;	531	op->more = 0;
442	last_more->clone.more = &at->clone;	532	op = next;
443	}	533	}
444	last_more = at;
445		534
446	/* If this multipart image is still composed of individual small	535	at->destroy ();
447	* images, don't set the tail_.. values. We can't use them anyways,	536	at->arch = 0;
448	* and setting these to zero makes the map sending to the client much
449	* easier as just looking at the head, we know what to do.
450	*/
451	if (at->clone.face != head->clone.face)
452	{
453	head->tail_x = 0;
454	head->tail_y = 0;
455	}
456	else
457	{
458	if (at->clone.x > head->tail_x)
459	head->tail_x = at->clone.x;
460	if (at->clone.y > head->tail_y)
461	head->tail_y = at->clone.y;
462	}
463	break;
464
465	}	537	}
466
467	at = new archetype;
468
469	at->clone.arch = at;
470	}
471
472	delete at;
473	}
474
475	/*
476	* Reads the archetype file once more, and links all pointers between
477	* archetypes.
478	*/
479
480	void
481	second_arch_pass (object_thawer & thawer)
482	{
483	char buf[MAX_BUF], variable = buf, argument, *cp;
484	archetype at = NULL, other;
485
486	while (fgets (buf, MAX_BUF, thawer) != NULL)
487	{	538	}
488	if (*buf == '#')	539	while (--cnt);
489	continue;
490	if ((argument = strchr (buf, ' ')) != NULL)
491	{
492	*argument = '\0', argument++;
493	cp = argument + strlen (argument) - 1;
494	while (isspace (*cp))
495	{
496	*cp = '\0';
497	cp--;
498	}
499	}
500	if (!strcmp ("Object", variable))
501	{
502	if ((at = archetype::find (argument)) == NULL)
503	LOG (llevError, "Warning: failed to find arch %s\n", argument);
504	}
505	else if (!strcmp ("other_arch", variable))
506	{
507	if (at != NULL && at->clone.other_arch == NULL)
508	{
509	if ((other = archetype::find (argument)) == NULL)
510	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
511	else if (at != NULL)
512	at->clone.other_arch = other;
513	}
514	}
515	else if (!strcmp ("randomitems", variable))
516	{
517	if (at != NULL)
518	{
519	treasurelist *tl = find_treasurelist (argument);
520
521	if (tl == NULL)
522	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
523	else
524	at->clone.randomitems = tl;
525	}
526	}
527	}
528	}	540	}
529		541
530	#ifdef DEBUG
531	void
532	check_generators (void)
533	{
534	archetype *at;
535
536	for (at = first_archetype; at != NULL; at = at->next)
537	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
538	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
539	}
540	#endif
541
542	/*
543	* First initialises the archtype hash-table (init_archetable()).
544	* Reads and parses the archetype file (with the first and second-pass
545	* functions).
546	* Then initialises treasures by calling load_treasures().
547	*/
548
549	void
550	load_archetypes (void)
551	{
552	char filename[MAX_BUF];
553
554	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
555	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
556
557	{
558	object_thawer
559	thawer (filename);
560
561	clear_archetable ();
562	LOG (llevDebug, " arch-pass 1...\n");
563	first_arch_pass (thawer);
564	LOG (llevDebug, " done\n");
565	}
566
567	init_archetable ();
568	warn_archetypes = 1;
569
570	{
571	object_thawer
572	thawer (filename);
573
574	LOG (llevDebug, " loading treasure...\n");
575	load_treasures ();
576	LOG (llevDebug, " done\n");
577	LOG (llevDebug, " arch-pass 2...\n");
578	second_arch_pass (thawer);
579	LOG (llevDebug, " done\n");
580	#ifdef DEBUG
581	check_generators ();
582	#endif
583	}
584	LOG (llevDebug, " done\n");
585	}
586
587	/*
588	* Creates and returns a new object which is a copy of the given archetype.
589	* This function returns NULL on failure.
590	*/
591	object *
592	arch_to_object (archetype *at)
593	{
594	object *op;	542	object *
595		543	archetype::instance ()
596	if (at == NULL)	544	{
597	{	545	object *op = clone ();
598	if (warn_archetypes)
599	LOG (llevError, "Couldn't find archetype.\n");
600
601	return NULL;
602	}
603
604	op = at->clone.clone ();
605	op->arch = at;
606	op->instantiate ();	546	op->instantiate ();
607	return op;	547	return op;
608	}	548	}
		549
		550	//+GPL
609		551
610	/*	552	/*
611	* Creates an object. This function is called by get_archetype()	553	* Creates an object. This function is called by get_archetype()
612	* if it fails to find the appropriate archetype.	554	* if it fails to find the appropriate archetype.
613	* Thus get_archetype() will be guaranteed to always return	555	* Thus get_archetype() will be guaranteed to always return
614	* an object, and never NULL.	556	* an object, and never NULL.
615	*/	557	*/
616	object *	558	object *
617	create_singularity (const char *name)	559	create_singularity (const char *name)
618	{	560	{
619	object *op;	561	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
620	char buf[MAX_BUF];
621		562
622	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	563	if (!strcmp (name, "bug"))
623	op = object::create ();	564	abort ();
624	op->name = op->name_pl = buf;	565
625	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
626	return op;	569	return op;
627	}	570	}
628		571
629	/*	572	/*
630	* Finds which archetype matches the given name, and returns a new	573	* Finds which archetype matches the given name, and returns a new
631	* object containing a copy of the archetype.	574	* object containing a copy of the archetype.
632	*/	575	*/
633	object *	576	object *
634	get_archetype (const char *name)	577	get_archetype (const char *name)
635	{	578	{
		579	return archetype::get (name);
		580	}
		581
		582	object *
		583	archetype::get (const char *name)
		584	{
636	archetype *at = archetype::find (name);	585	archetype *at = find (name);
637		586
638	if (!at)	587	if (!at)
639	return create_singularity (name);	588	return create_singularity (name);
640		589
641	return arch_to_object (at);	590	return at->instance ();
642	}
643
644	/*
645	* Hash-function used by the arch-hashtable.
646	*/
647
648	unsigned long
649	hasharch (const char *str, int tablesize)
650	{
651	unsigned long hash = 0;
652	unsigned int i = 0;
653	const char *p;
654
655	/* use the one-at-a-time hash function, which supposedly is
656	* better than the djb2-like one used by perl5.005, but
657	* certainly is better then the bug used here before.
658	* see http://burtleburtle.net/bob/hash/doobs.html
659	*/
660	for (p = str; i < MAXSTRING && *p; p++, i++)
661	{
662	hash += *p;
663	hash += hash << 10;
664	hash ^= hash >> 6;
665	}
666
667	hash += hash << 3;
668	hash ^= hash >> 11;
669	hash += hash << 15;
670
671	return hash % tablesize;
672	}
673
674	/*
675	* Finds, using the hashtable, which archetype matches the given name.
676	* returns a pointer to the found archetype, otherwise NULL.
677	*/
678
679	archetype *
680	archetype::find (const char *name)
681	{
682	if (!name)
683	return 0;
684
685	#if USE_UNORDERED_MAP
686	AUTODECL (i, ht.find ((size_t) name));
687
688	if (i == ht.end ())
689	return 0;
690	else
691	return i->second;
692	#endif
693
694	archetype *at;
695	unsigned long index;
696
697	index = hasharch (name, ARCHTABLE);
698	arch_search++;
699	for (;;)
700	{
701	at = arch_table[index];
702
703	if (at == NULL)
704	{
705	if (warn_archetypes)
706	LOG (llevError, "Couldn't find archetype %s\n", name);
707
708	return NULL;
709	}
710
711	arch_cmp++;
712
713	if (!strcmp ((const char *) at->name, name))
714	return at;
715
716	if (++index >= ARCHTABLE)
717	index = 0;
718	}
719	}
720
721	/*
722	* Adds an archetype to the hashtable.
723	*/
724	void
725	archetype::hash_add ()
726	{
727	#if USE_UNORDERED_MAP
728	ht.insert (std::make_pair ((size_t) (const char *) name, this));
729	#else
730
731	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
732
733	for (;;)
734	{
735	if (!arch_table[index])
736	{
737	arch_table[index] = this;
738	break;
739	}
740
741	if (++index == ARCHTABLE)
742	index = 0;
743
744	if (index == org_index)
745	fatal (ARCHTABLE_TOO_SMALL);
746	}
747	#endif
748	}
749
750	void
751	archetype::hash_del ()
752	{
753	#if USE_UNORDERED_MAP
754	# error remove this from HT
755	#else
756
757	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
758
759	for (;;)
760	{
761	if (arch_table[index] == this)
762	{
763	arch_table[index] = 0;
764	break;
765	}
766
767	if (++index == ARCHTABLE)
768	index = 0;
769
770	if (index == org_index)
771	break;
772	}
773	#endif
774	}	591	}
775		592
776	/*	593	/*
777	* Returns the first archetype using the given type.	594	* Returns the first archetype using the given type.
778	* Used in treasure-generation.	595	* Used in treasure-generation.
779	*/	596	*/
780
781	archetype *	597	archetype *
782	type_to_archetype (int type)	598	type_to_archetype (int type)
783	{	599	{
784	archetype *at;	600	for_all_archetypes (at)
785		601	if (at->type == type && at->head_ () != at)
786	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
787	if (at->clone.type == type)
788	return at;	602	return at;
789		603
790	return 0;	604	return 0;
791	}	605	}
792		606
793	/*	607	/*
794	* Returns a new object copied from the first archetype matching	608	* Returns a new object copied from the first archetype matching
795	* the given type.	609	* the given type.
796	* Used in treasure-generation.	610	* Used in treasure-generation.
797	*/	611	*/
798
799	object *	612	object *
800	clone_arch (int type)	613	clone_arch (int type)
801	{	614	{
802	archetype *at;	615	archetype *at = type_to_archetype (type);
803		616
804	if ((at = type_to_archetype (type)) == NULL)	617	if (!at)
805	{	618	{
806	LOG (llevError, "Can't clone archetype %d\n", type);	619	LOG (llevError, "Can't clone archetype %d\n", type);
807	return 0;	620	return 0;
808	}	621	}
809		622
810	object *op = at->clone.clone ();	623	return at->instance ();
811	op->instantiate ();
812	return op;
813	}	624	}
814		625
815	/*	626	/*
816	* member: make instance from class	627	* member: make instance from class
817	*/	628	*/
818
819	object *	629	object *
820	object_create_arch (archetype *at)	630	object_create_arch (archetype *at)
821	{	631	{
822	object op, prev = 0, *head = 0;	632	object op, prev = 0, *head = 0;
823		633
824	while (at)	634	while (at)
825	{	635	{
826	op = arch_to_object (at);	636	op = at->instance ();
		637
827	op->x = at->clone.x;	638	op->x = at->x;
828	op->y = at->clone.y;	639	op->y = at->y;
829		640
830	if (head)	641	if (head)
831	op->head = head, prev->more = op;	642	op->head = head, prev->more = op;
832		643
833	if (!head)	644	if (!head)
834	head = op;	645	head = op;
835		646
836	prev = op;	647	prev = op;
837	at = at->more;	648	at = (archetype *)at->more;
838	}	649	}
839		650
840	return (head);	651	return head;
841	}	652	}
842		653
		654	//-GPL
		655

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.35 by root, Wed Jan 3 20:32:13 2007 UTC vs. Revision 1.92 by root, Thu Nov 5 15:43:21 2009 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.35 by root, Wed Jan 3 20:32:13 2007 UTC vs.
Revision 1.92 by root, Thu Nov 5 15:43:21 2009 UTC