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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.15 by root, Sun Sep 10 13:20:12 2006 UTC vs.
Revision 1.74 by root, Sun Apr 20 05:24:55 2008 UTC

…		…
1
2	/*	1	/*
3	* static char *rcsid_arch_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4	* "$Id: arch.C,v 1.15 2006/09/10 13:20:12 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7	/*
8	CrossFire, A Multiplayer game for X-windows
9
10	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
12		7	*
13	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
14	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
15	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
16	(at your option) any later version.	11	* (at your option) any later version.
17		12	*
18	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,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.	16	* GNU General Public License for more details.
22		17	*
23	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
24	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
26		21	* The authors can be reached via e-mail to <support@deliantra.net>
27	The authors can be reached via e-mail at crossfire-devel@real-time.com
28	*/	22	*/
29		23
30	#include <cassert>	24	#include <cassert>
31		25
32	#include <tr1/unordered_map>
33
34	#include <global.h>	26	#include <global.h>
35	#include <arch.h>
36	#include <funcpoint.h>	27	#include <funcpoint.h>
37	#include <loader.h>	28	#include <loader.h>
38		29
39	/* IF set, does a little timing on the archetype load. */	30	#include <tr1/functional>
40	#define TIME_ARCH_LOAD 0	31	#include <tr1/unordered_map>
41		32
42	static void add_arch (archetype *at);	33	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
		34	arch_ptr archetype::empty;
43		35
44	static archetype *arch_table[ARCHTABLE];
45	int arch_cmp = 0; /* How many strcmp's */
46	int arch_search = 0; /* How many searches */
47	int arch_init; /* True if doing arch initialization */
48
49	/* The naming of these functions is really poor - they are all
50	* pretty much named '.._arch_...', but they may more may not
51	* return archetypes. Some make the arch_to_object call, and thus
52	* return an object. Perhaps those should be called 'archob' functions
53	* to denote they return an object derived from the archetype.
54	* MSW 2003-04-29
55	*/
56
57	#if USE_UNORDERED_MAP
58	// the hashtable	36	// the hashtable
59	typedef
60	std::tr1::unordered_map <	37	typedef std::tr1::unordered_map
61	size_t, archetype *>	38	<
		39	const char *,
		40	arch_ptr,
		41	str_hash,
		42	str_equal,
		43	slice_allocator< std::pair<const char *const, arch_ptr> >
62	HT;	44	> HT;
63		45
64	static HT	46	static HT ht (10000);
65	ht;	47	archvec archetypes;
66	#endif	48	static unordered_vector<archetype *> allarch;
		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;
67		55
68	/**	56	/**
69	* GROS - This function retrieves an archetype given the name that appears	57	* GROS - This function retrieves an archetype given the name that appears
70	* during the game (for example, "writing pen" instead of "stylus").	58	* during the game (for example, "writing pen" instead of "stylus").
71	* It does not use the hashtable system, but browse the whole archlist each time.	59	* It does not use the hashtable system, but browse the whole archlist each time.
77	* - the archetype found or null if nothing was found.	65	* - the archetype found or null if nothing was found.
78	*/	66	*/
79	archetype *	67	archetype *
80	find_archetype_by_object_name (const char *name)	68	find_archetype_by_object_name (const char *name)
81	{	69	{
82	archetype *	70	shstr_cmp name_cmp (name);
83	at;
84		71
85	if (name == NULL)	72	for_all_archetypes (at)
86	return (archetype *) NULL;	73	if (at->name == name_cmp)
87
88	for (at = first_archetype; at != NULL; at = at->next)
89	{
90	if (!strcmp (at->clone.name, name))
91	return at;	74	return at;
92	}	75
93	return NULL;	76	return 0;
94	}	77	}
95		78
96	/**	79	/**
97	* This function retrieves an archetype by type and name that appears during	80	* This function retrieves an archetype by type and name that appears during
98	* the game. It is basically the same as find_archetype_by_object_name()	81	* the game. It is basically the same as find_archetype_by_object_name()
99	* except that it considers only items of the given type.	82	* except that it considers only items of the given type.
100	*/	83	*/
101	archetype *	84	archetype *
102	find_archetype_by_object_type_name (int type, const char *name)	85	find_archetype_by_object_type_name (int type, const char *name)
103	{	86	{
104	archetype *	87	shstr_cmp name_cmp (name);
105	at;
106		88
107	if (name == NULL)	89	for_all_archetypes (at)
108	return NULL;	90	if (at->name == name_cmp && at->type == type)
109
110	for (at = first_archetype; at != NULL; at = at->next)
111	{
112	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
113	return at;	91	return at;
114	}
115		92
116	return NULL;	93	return 0;
117	}	94	}
118		95
119	/* This is a lot like the above function. Instead, we are trying to match	96	/* This is a lot like the above function. Instead, we are trying to match
120	* the arch->skill values. type is the type of object to match	97	* the arch->skill values. type is the type of object to match
121	* against (eg, to only match against skills or only skill objects for example).	98	* against (eg, to only match against skills or only skill objects for example).
122	* If type is -1, ew don't match on type.	99	* If type is -1, ew don't match on type.
123	*/	100	*/
124	object *	101	object *
125	get_archetype_by_skill_name (const char *skill, int type)	102	get_archetype_by_skill_name (const char *skill, int type)
126	{	103	{
127	archetype *	104	shstr_cmp skill_cmp (skill);
128	at;
129		105
130	if (skill == NULL)	106	for_all_archetypes (at)
131	return NULL;	107	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
132
133	for (at = first_archetype; at != NULL; at = at->next)
134	{
135	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
136	return arch_to_object (at);	108	return arch_to_object (at);
137	}	109
138	return NULL;	110	return 0;
139	}	111	}
140		112
141	/* similiar to above - this returns the first archetype	113	/* similiar to above - this returns the first archetype
142	* that matches both the type and subtype. type and subtype	114	* that matches both the type and subtype. type and subtype
143	* can be -1 to say ignore, but in this case, the match it does	115	* can be -1 to say ignore, but in this case, the match it does
…		…
146	* (eg, skills)	118	* (eg, skills)
147	*/	119	*/
148	archetype *	120	archetype *
149	get_archetype_by_type_subtype (int type, int subtype)	121	get_archetype_by_type_subtype (int type, int subtype)
150	{	122	{
151	archetype *	123	for_all_archetypes (at)
152	at;
153
154	for (at = first_archetype; at != NULL; at = at->next)
155	{
156	if (((type == -1) \|\| (type == at->clone.type)) && (subtype == -1 \|\| subtype == at->clone.subtype))	124	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
157	return at;	125	return at;
158	}	126
159	return NULL;	127	return 0;
160	}	128	}
161		129
162	/**	130	/**
163	* GROS - this returns a new object given the name that appears during the game	131	* GROS - this returns a new object given the name that appears during the game
164	* (for example, "writing pen" instead of "stylus").	132	* (for example, "writing pen" instead of "stylus").
…		…
172	* but it otherwise had a big memory leak.	140	* but it otherwise had a big memory leak.
173	*/	141	*/
174	object *	142	object *
175	get_archetype_by_object_name (const char *name)	143	get_archetype_by_object_name (const char *name)
176	{	144	{
177	archetype *
178	at;
179	char
180	tmpname[MAX_BUF];	145	char tmpname[MAX_BUF];
181	int	146	int i;
182	i;
183		147
184	strncpy (tmpname, name, MAX_BUF - 1);	148	assign (tmpname, name);
185	tmpname[MAX_BUF - 1] = 0;	149
186	for (i = strlen (tmpname); i > 0; i--)	150	for (i = strlen (tmpname); i > 0; i--)
187	{	151	{
188	tmpname[i] = 0;	152	tmpname[i] = 0;
		153
189	at = find_archetype_by_object_name (tmpname);	154	if (archetype *at = find_archetype_by_object_name (tmpname))
190	if (at != NULL)
191	{
192	return arch_to_object (at);	155	return arch_to_object (at);
193	}
194	}	156	}
		157
195	return create_singularity (name);	158	return create_singularity (name);
196	}	159	}
197		160
198	/* This is a subset of the parse_id command. Basically, name can be	161	/* This is a subset of the parse_id command. Basically, name can be
199	* a string seperated lists of things to match, with certain keywords.	162	* a string seperated lists of things to match, with certain keywords.
200	* pl is the player (only needed to set count properly)	163	* pl is the player (only needed to set count properly)
201	* op is the item we are trying to match. Calling function takes care	164	* op is the item we are trying to match. Calling function takes care
202	* of what action might need to be done and if it is valid	165	* of what action might need to be done and if it is valid
203	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	166	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
204	* value means a better match. 0 means no match.	167	* value means a better match. 0 means no match.
205	*	168	*
206	* Brief outline of the procedure:	169	* Brief outline of the procedure:
207	* We take apart the name variable into the individual components.	170	* We take apart the name variable into the individual components.
208	* cases for 'all' and unpaid are pretty obvious.	171	* cases for 'all' and unpaid are pretty obvious.
209	* Next, we check for a count (either specified in name, or in the	172	* Next, we check for a count (either specified in name, or in the
210	* player object.)	173	* player object.)
211	* If count is 1, make a quick check on the name.	174	* If count is 1, make a quick check on the name.
212	* IF count is >1, we need to make plural name. Return if match.	175	* IF count is >1, we need to make plural name. Return if match.
213	* Last, make a check on the full name.	176	* Last, make a check on the full name.
214	*/	177	*/
215	int	178	int
216	item_matched_string (object pl, object op, const char *name)	179	item_matched_string (object pl, object op, const char *name)
217	{	180	{
218	char *
219	cp,
220	local_name[MAX_BUF];	181	char *cp, local_name[MAX_BUF];
221	int	182	int count, retval = 0;
222	count,
223	retval = 0;
224		183
225	strcpy (local_name, name); /* strtok is destructive to name */	184	assign (local_name, name); /* strtok is destructive to name */
226		185
227	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	186	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
228	{	187	{
229	while (cp[0] == ' ')	188	while (cp[0] == ' ')
230	++cp; /* get rid of spaces */	189	++cp; /* get rid of spaces */
…		…
280	retval = 15;	239	retval = 15;
281	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	240	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
282	retval = 14;	241	retval = 14;
283	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	242	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
284	retval = 14;	243	retval = 14;
285
286	/* Do substring checks, so things like 'Str+1' will match.	244	/* Do substring checks, so things like 'Str+1' will match.
287	* retval of these should perhaps be lower - they are lower	245	* retval of these should perhaps be lower - they are lower
288	* then the specific strcasecmp aboves, but still higher than	246	* then the specific strcasecmp aboves, but still higher than
289	* some other match criteria.	247	* some other match criteria.
290	*/	248	*/
…		…
292	retval = 12;	250	retval = 12;
293	else if (strstr (query_base_name (op, 0), cp))	251	else if (strstr (query_base_name (op, 0), cp))
294	retval = 12;	252	retval = 12;
295	else if (strstr (query_short_name (op), cp))	253	else if (strstr (query_short_name (op), cp))
296	retval = 12;	254	retval = 12;
297
298	/* Check against plural/non plural based on count. */	255	/* Check against plural/non plural based on count. */
299	else if (count > 1 && !strcasecmp (cp, op->name_pl))	256	else if (count > 1 && !strcasecmp (cp, op->name_pl))
300	{
301	retval = 6;	257	retval = 6;
302	}
303	else if (count == 1 && !strcasecmp (op->name, cp))	258	else if (count == 1 && !strcasecmp (op->name, cp))
304	{
305	retval = 6;	259	retval = 6;
306	}
307	/* base name matched - not bad */	260	/* base name matched - not bad */
308	else if (strcasecmp (cp, op->name) == 0 && !count)	261	else if (strcasecmp (cp, op->name) == 0 && !count)
309	retval = 4;	262	retval = 4;
310	/* Check for partial custom name, but give a real low priority */	263	/* Check for partial custom name, but give a real low priority */
311	else if (op->custom_name && strstr (op->custom_name, cp))	264	else if (op->custom_name && strstr (op->custom_name, cp))
…		…
313		266
314	if (retval)	267	if (retval)
315	{	268	{
316	if (pl->type == PLAYER)	269	if (pl->type == PLAYER)
317	pl->contr->count = count;	270	pl->contr->count = count;
		271
318	return retval;	272	return retval;
319	}	273	}
320	}	274	}
		275
321	return 0;	276	return 0;
322	}	277	}
323		278
324	/*	279	archetype::archetype (const char *name)
325	* Initialises the internal linked list of archetypes (read from file).	280	{
326	* Then the global "empty_archetype" pointer is initialised.	281	arch = this;
327	* Then the blocksview[] array is initialised.	282	this->archname = this->name = this->name_pl = name;
328	*/	283	}
		284
		285	archetype::~archetype ()
		286	{
		287	unlink ();
		288	}
329		289
330	void	290	void
331	init_archetypes (void)	291	archetype::link ()
332	{ /* called from add_player() and edit() */	292	{
333	if (first_archetype != NULL) /* Only do this once */	293	if (!archetypes.contains (this))
334	return;	294	{
335	arch_init = 1;	295	archetypes.insert (this);
336	load_archetypes ();	296	ht.insert (std::make_pair (archname, this));
337	arch_init = 0;	297	}
338	empty_archetype = find_archetype ("empty_archetype");
339
340	/* init_blocksview();*/
341	}	298	}
342
343	/*
344	* Stores debug-information about how efficient the hashtable
345	* used for archetypes has been in the static errmsg array.
346	*/
347		299
348	void	300	void
349	arch_info (object *op)	301	archetype::unlink ()
350	{	302	{
351	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	303	if (archetypes.contains (this))
352	new_draw_info (NDI_BLACK, 0, op, errmsg);	304	{
		305	archetypes.erase (this);
		306	ht.erase (archname);
		307	}
353	}	308	}
354		309
355	/*	310	/*
356	* Initialise the hashtable used by the archetypes.	311	* Finds, using the hashtable, which archetype matches the given name.
		312	* returns a pointer to the found archetype, otherwise NULL.
357	*/	313	*/
		314	archetype *
		315	archetype::find (const char *name)
		316	{
		317	if (!name)
		318	return 0;
		319
		320	auto (i, ht.find (name));
		321
		322	if (i == ht.end ())
		323	return 0;
		324	else
		325	return i->second;
		326	}
		327
		328	archetype *
		329	archetype::read (object_thawer &f)
		330	{
		331	assert (f.kw == KW_object);
		332
		333	std::vector<archetype *> parts;
		334
		335	coroapi::cede_to_tick ();
		336
		337	for (;;)
		338	{
		339	archetype *at = new archetype (f.get_str ());
		340
		341	f.next ();
		342
		343	#if 0
		344	// implementing it here in the server does neither allow multiple inheritence
		345	// nor does it cleanly "just override". it would allow use in map files, though,
		346	// and other resource files dynamically laoded (as opposed to being preprocessed).
		347	// not that any of this is relevant as of yet...
		348	if (f.kw == KW_inherit)
		349	{
		350	if (archetype *at = find (f.get_str ()))
		351	*op = at->clone;
		352	else
		353	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		354	&at->archname, f.get_str ());
		355
		356	f.next ();
		357	}
		358	#endif
		359
		360	loading_arch = at; // hack to tell parse_kv et al. to behave
		361	bool parse_ok = at->parse_kv (f);
		362	loading_arch = 0;
		363
		364	if (!parse_ok)
		365	goto fail;
		366
		367	loading_arch = at; // hack to tell parse_kv et al. to behave
		368	at->post_load_check ();
		369	loading_arch = 0;
		370
		371	parts.push_back (at);
		372
		373	if (f.kw != KW_more)
		374	break;
		375
		376	f.next ();
		377
		378	if (f.kw != KW_object)
		379	{
		380	f.parse_error ("more object");
		381	goto fail;
		382	}
		383	}
		384
		385	{
		386	auto (at, parts.begin ());
		387
		388	archetype *new_head = parts.front ();
		389	archetype *old_head = find (new_head->archname);
		390
		391	if (old_head && !old_head->is_head ())
		392	{
		393	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		394	&new_head->archname, &old_head->archname);
		395	goto fail;
		396	}
		397
		398	// check that all archetypes belong to the same old object or are new
		399	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		400	{
		401	archetype new_part = at;
		402	archetype *old_part = find (new_part->archname);
		403
		404	if (old_part && old_part->head_ () != old_head)
		405	{
		406	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		407	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		408	goto fail;
		409	}
		410	}
		411
		412	// assemble new chain
		413	new_head->min_x = new_head->max_x = new_head->x;
		414	new_head->min_y = new_head->max_y = new_head->y;
		415
		416	archetype *less = new_head;
		417	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		418	{
		419	archetype at = p;
		420
		421	// some flags get inherited from the head (probably a lot more)
		422	// doing it here doesn't feel too cozy, but it allows code
		423	// to ignore head checks for these flags, which saves time
		424	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		425	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		426	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		427	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		428
		429	new_head->min_x = min (new_head->min_x, at->x);
		430	new_head->min_y = min (new_head->min_y, at->y);
		431	new_head->max_x = max (new_head->max_x, at->x);
		432	new_head->max_y = max (new_head->max_y, at->y);
		433
		434	at->head = new_head;
		435	less->more = at;
		436	less = at;
		437	}
		438
		439	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		440
		441	return new_head;
		442	}
		443
		444	fail:
		445	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		446	(*p)->destroy (true);
		447
		448	return 0;
		449	}
358		450
359	void	451	void
360	clear_archetable (void)	452	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
361	{	453	{
362	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	454	ref = 0;
		455	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
363	}	456	}
364
365	/*
366	* An alternative way to init the hashtable which is slower, but _works_...
367	*/
368		457
369	void	458	void
370	init_archetable (void)	459	archetype::commit_load ()
371	{	460	{
372	archetype *	461	// unlink old archetypes and link in new ones */
373	at;	462	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
		463	{
		464	archetype at = p;
374		465
375	LOG (llevDebug, " Setting up archetable...\n");	466	if (archetype *old = find (at->archname))
		467	old->unlink ();
376		468
377	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)	469	allarch.push_back (at);
378	add_arch (at);
379		470
380	LOG (llevDebug, "done\n");	471	at->link ();
381	}	472	++dirtycnt;
		473	}
382		474
383	/*	475	postponed_arch.clear ();
384	* Dumps an archetype to debug-level output.	476
385	*/	477	// now resolve arch references
		478	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		479	{
		480	arch_ptr *ap = p->first;
		481	archetype *at = find (p->second);
		482
		483	if (!at)
		484	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		485
		486	*ap = at;
		487	}
		488
		489	postponed_arch_ref.clear ();
		490
		491	empty = find (shstr_empty_archetype);
		492	}
386		493
387	void	494	void
388	dump_arch (archetype *at)	495	archetype::gc ()
389	{	496	{
390	dump_object (&at->clone);	497	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
391	}	498	dirtycnt = max (0, dirtycnt - cnt);
392		499
393	/*	500	do
394	* Dumps _all_ archetypes to debug-level output.
395	* If you run crossfire with debug, and enter DM-mode, you can trigger
396	* this with the O key.
397	*/
398
399	void
400	dump_all_archetypes (void)
401	{
402	archetype *
403	at;
404
405	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
406	{
407	dump_arch (at);
408	fprintf (logfile, "%s\n", errmsg);
409	}	501	{
410	}	502	static int idx;
411		503
412	void	504	if (idx >= allarch.size ())
413	free_all_archs (void)	505	if (idx)
414	{	506	idx = 0;
415	archetype *	507	else
416	at, *	508	return;
417	next;
418	int
419	i = 0, f = 0;
420		509
421	for (at = first_archetype; at != NULL; at = next)	510	archetype *at = allarch [idx];
422	{	511
423	if (at->more)	512	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
424	next = at->more;	513	++idx;
425	else	514	else
426	next = at->next;
427
428	delete at;
429	i++;
430	}
431	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
432	}
433
434	archetype::archetype ()
435	{
436	clear_object (&clone); /* to initial state other also */
437	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
438	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
439	}
440
441	archetype::~archetype ()
442	{
443	}
444
445	/*
446	* Reads/parses the archetype-file, and copies into a linked list
447	* of archetype-structures.
448	*/
449	void
450	first_arch_pass (object_thawer & fp)
451	{
452	archetype *
453	at, *
454	head = NULL, *last_more = NULL;
455
456	at->clone.arch = first_archetype = at = new archetype;
457
458	while (int i = load_object (fp, &at->clone, 0))
459	{
460	at->clone.speed_left = (float) (-0.1);
461	/* copy the body_info to the body_used - this is only really
462	* need for monsters, but doesn't hurt to do it for everything.
463	* by doing so, when a monster is created, it has good starting
464	* values for the body_used info, so when items are created
465	* for it, they can be properly equipped.
466	*/
467	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
468
469	switch (i)
470	{	515	{
471	case LL_NORMAL: /* A new archetype, just link it with the previous */	516	LOG (llevDebug, "garbage collect arch %s", at->debug_desc ());
472	if (last_more != NULL)	517	assert (at->arch == at); // verify that refcnt == 1 is truely valid
473	last_more->next = at;	518	allarch.erase (idx);
474	if (head != NULL)
475	head->next = at;
476	head = last_more = at;
477	#if 0
478	if (!op->type)
479	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
480	#endif
481	at->tail_x = 0;	519	at->arch = 0;
482	at->tail_y = 0;
483	break;
484
485	case LL_MORE: /* Another part of the previous archetype, link it correctly */
486
487	at->head = head;
488	at->clone.head = &head->clone;
489	if (last_more != NULL)
490	{
491	last_more->more = at;
492	last_more->clone.more = &at->clone;
493	}
494	last_more = at;	520	at->more = 0;
495		521	at->destroy ();
496	/* If this multipart image is still composed of individual small
497	* images, don't set the tail_.. values. We can't use them anyways,
498	* and setting these to zero makes the map sending to the client much
499	* easier as just looking at the head, we know what to do.
500	*/
501	if (at->clone.face != head->clone.face)
502	{
503	head->tail_x = 0;
504	head->tail_y = 0;
505	}
506	else
507	{
508	if (at->clone.x > head->tail_x)
509	head->tail_x = at->clone.x;
510	if (at->clone.y > head->tail_y)
511	head->tail_y = at->clone.y;
512	}
513	break;
514
515	}	522	}
516
517	at = new archetype;
518
519	at->clone.arch = at;
520	}
521
522	delete
523	at;
524	}
525
526	/*
527	* Reads the archetype file once more, and links all pointers between
528	* archetypes.
529	*/
530
531	void
532	second_arch_pass (object_thawer & thawer)
533	{
534	char
535	buf[MAX_BUF], *
536	variable = buf, argument, cp;
537	archetype *
538	at = NULL, *other;
539
540	while (fgets (buf, MAX_BUF, thawer) != NULL)
541	{	523	}
542	if (*buf == '#')	524	while (--cnt);
543	continue;
544	if ((argument = strchr (buf, ' ')) != NULL)
545	{
546	*argument = '\0', argument++;
547	cp = argument + strlen (argument) - 1;
548	while (isspace (*cp))
549	{
550	*cp = '\0';
551	cp--;
552	}
553	}
554	if (!strcmp ("Object", variable))
555	{
556	if ((at = find_archetype (argument)) == NULL)
557	LOG (llevError, "Warning: failed to find arch %s\n", argument);
558	}
559	else if (!strcmp ("other_arch", variable))
560	{
561	if (at != NULL && at->clone.other_arch == NULL)
562	{
563	if ((other = find_archetype (argument)) == NULL)
564	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
565	else if (at != NULL)
566	at->clone.other_arch = other;
567	}
568	}
569	else if (!strcmp ("randomitems", variable))
570	{
571	if (at != NULL)
572	{
573	treasurelist *
574	tl = find_treasurelist (argument);
575
576	if (tl == NULL)
577	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
578	else
579	at->clone.randomitems = tl;
580	}
581	}
582	}
583	}
584
585	#ifdef DEBUG
586	void
587	check_generators (void)
588	{
589	archetype *
590	at;
591
592	for (at = first_archetype; at != NULL; at = at->next)
593	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
594	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
595	}
596	#endif
597
598	/*
599	* First initialises the archtype hash-table (init_archetable()).
600	* Reads and parses the archetype file (with the first and second-pass
601	* functions).
602	* Then initialises treasures by calling load_treasures().
603	*/
604
605	void
606	load_archetypes (void)
607	{
608	char
609	filename[MAX_BUF];
610
611	#if TIME_ARCH_LOAD
612	struct timeval
613	tv1,
614	tv2;
615	#endif
616
617	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
618	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
619
620	{
621	object_thawer thawer (filename);
622
623	clear_archetable ();
624	LOG (llevDebug, " arch-pass 1...\n");
625	first_arch_pass (thawer);
626	LOG (llevDebug, " done\n");
627	}
628
629	init_archetable ();
630	warn_archetypes = 1;
631
632	{
633	object_thawer thawer (filename);
634
635	LOG (llevDebug, " loading treasure...\n");
636	load_treasures ();
637	LOG (llevDebug, " done\n arch-pass 2...\n");
638	second_arch_pass (thawer);
639	LOG (llevDebug, " done\n");
640	#ifdef DEBUG
641	check_generators ();
642	#endif
643	}
644	LOG (llevDebug, " done\n");
645	}	525	}
646		526
647	/*	527	/*
648	* Creates and returns a new object which is a copy of the given archetype.	528	* Creates and returns a new object which is a copy of the given archetype.
649	* This function returns NULL on failure.	529	* This function returns NULL on failure.
650	*/	530	*/
651
652	object *	531	object *
653	arch_to_object (archetype *at)	532	arch_to_object (archetype *at)
654	{	533	{
655	object *	534	if (!at)
656	op;
657
658	if (at == NULL)
659	{	535	{
660	if (warn_archetypes)
661	LOG (llevError, "Couldn't find archetype.\n");	536	LOG (llevError, "Couldn't find archetype.\n");
662
663	return NULL;	537	return 0;
664	}	538	}
665		539
666	op = get_object ();	540	object *op = at->clone ();
667	copy_object (&at->clone, op);
668	op->arch = at;	541	op->arch = at;
669	op->instantiate ();	542	op->instantiate ();
		543
670	return op;	544	return op;
		545	}
		546
		547	object *
		548	archetype::instance ()
		549	{
		550	return arch_to_object (this);
671	}	551	}
672		552
673	/*	553	/*
674	* Creates an object. This function is called by get_archetype()	554	* Creates an object. This function is called by get_archetype()
675	* if it fails to find the appropriate archetype.	555	* if it fails to find the appropriate archetype.
676	* Thus get_archetype() will be guaranteed to always return	556	* Thus get_archetype() will be guaranteed to always return
677	* an object, and never NULL.	557	* an object, and never NULL.
678	*/	558	*/
679
680	object *	559	object *
681	create_singularity (const char *name)	560	create_singularity (const char *name)
682	{	561	{
683	object *	562	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
684	op;	563
685	char	564	if (!strcmp (name, "bug"))
		565	abort ();
		566
686	buf[MAX_BUF];	567	char buf[MAX_BUF];
		568	sprintf (buf, "bug, please report (%s)", name);
687		569
688	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	570	object *op = get_archetype ("bug");
689	op = get_object ();
690	op->name = op->name_pl = buf;	571	op->name = op->name_pl = buf;
691	SET_FLAG (op, FLAG_NO_PICK);	572
692	return op;	573	return op;
693	}	574	}
694		575
695	/*	576	/*
696	* Finds which archetype matches the given name, and returns a new	577	* Finds which archetype matches the given name, and returns a new
697	* object containing a copy of the archetype.	578	* object containing a copy of the archetype.
698	*/	579	*/
699
700	object *	580	object *
701	get_archetype (const char *name)	581	get_archetype (const char *name)
702	{	582	{
703	archetype *	583	archetype *at = archetype::find (name);
704	at;
705		584
706	at = find_archetype (name);	585	if (!at)
707	if (at == NULL)
708	return create_singularity (name);	586	return create_singularity (name);
709		587
710	return arch_to_object (at);	588	return arch_to_object (at);
711	}
712
713	/*
714	* Hash-function used by the arch-hashtable.
715	*/
716
717	unsigned long
718	hasharch (const char *str, int tablesize)
719	{
720	unsigned long
721	hash = 0;
722	unsigned int
723	i = 0;
724	const char *
725	p;
726
727	/* use the one-at-a-time hash function, which supposedly is
728	* better than the djb2-like one used by perl5.005, but
729	* certainly is better then the bug used here before.
730	* see http://burtleburtle.net/bob/hash/doobs.html
731	*/
732	for (p = str; i < MAXSTRING && *p; p++, i++)
733	{
734	hash += *p;
735	hash += hash << 10;
736	hash ^= hash >> 6;
737	}
738
739	hash += hash << 3;
740	hash ^= hash >> 11;
741	hash += hash << 15;
742
743	return hash % tablesize;
744	}
745
746	/*
747	* Finds, using the hashtable, which archetype matches the given name.
748	* returns a pointer to the found archetype, otherwise NULL.
749	*/
750
751	archetype *
752	find_archetype (const char *name)
753	{
754	#if USE_UNORDERED_MAP
755	name = shstr::find (name);
756
757	if (!name)
758	return 0;
759
760	HT::const_iterator i = ht.find ((size_t) name);
761
762	if (i == ht.end ())
763	return 0;
764	else
765	return i->second;
766	#endif
767
768	archetype *
769	at;
770	unsigned long
771	index;
772
773	if (name == NULL)
774	return (archetype *) NULL;
775
776	index = hasharch (name, ARCHTABLE);
777	arch_search++;
778	for (;;)
779	{
780	at = arch_table[index];
781	if (at == NULL)
782	{
783	if (warn_archetypes)
784	LOG (llevError, "Couldn't find archetype %s\n", name);
785	return NULL;
786	}
787	arch_cmp++;
788	if (!strcmp ((const char *) at->name, name))
789	return at;
790	if (++index >= ARCHTABLE)
791	index = 0;
792	}
793	}
794
795	/*
796	* Adds an archetype to the hashtable.
797	*/
798
799	static void
800	add_arch (archetype *at)
801	{
802	#if USE_UNORDERED_MAP
803	ht.insert (std::make_pair ((size_t) (const char *) at->name, at));
804	#endif
805
806	int
807	index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
808
809	for (;;)
810	{
811	if (arch_table[index] == NULL)
812	{
813	arch_table[index] = at;
814	return;
815	}
816
817	if (++index == ARCHTABLE)
818	index = 0;
819
820	if (index == org_index)
821	fatal (ARCHTABLE_TOO_SMALL);
822	}
823	}	589	}
824		590
825	/*	591	/*
826	* Returns the first archetype using the given type.	592	* Returns the first archetype using the given type.
827	* Used in treasure-generation.	593	* Used in treasure-generation.
828	*/	594	*/
829
830	archetype *	595	archetype *
831	type_to_archetype (int type)	596	type_to_archetype (int type)
832	{	597	{
833	archetype *	598	for_all_archetypes (at)
834	at;	599	if (at->type == type && at->head_ () != at)
835
836	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
837	if (at->clone.type == type)
838	return at;	600	return at;
		601
839	return NULL;	602	return 0;
840	}	603	}
841		604
842	/*	605	/*
843	* Returns a new object copied from the first archetype matching	606	* Returns a new object copied from the first archetype matching
844	* the given type.	607	* the given type.
845	* Used in treasure-generation.	608	* Used in treasure-generation.
846	*/	609	*/
847
848	object *	610	object *
849	clone_arch (int type)	611	clone_arch (int type)
850	{	612	{
851	archetype *	613	archetype *at;
852	at;
853	object *
854	op = get_object ();
855		614
856	if ((at = type_to_archetype (type)) == NULL)	615	if ((at = type_to_archetype (type)) == NULL)
857	{	616	{
858	LOG (llevError, "Can't clone archetype %d\n", type);	617	LOG (llevError, "Can't clone archetype %d\n", type);
859	free_object (op);
860	return NULL;	618	return 0;
861	}	619	}
862	copy_object (&at->clone, op);	620
		621	object *op = at->clone ();
863	op->instantiate ();	622	op->instantiate ();
864	return op;	623	return op;
865	}	624	}
866		625
867	/*	626	/*
868	* member: make instance from class	627	* member: make instance from class
869	*/	628	*/
870
871	object *	629	object *
872	object_create_arch (archetype *at)	630	object_create_arch (archetype *at)
873	{	631	{
874	object *	632	object op, prev = 0, *head = 0;
875	op, *
876	prev = NULL, *head = NULL;
877		633
878	while (at)	634	while (at)
879	{	635	{
880	op = arch_to_object (at);	636	op = arch_to_object (at);
		637
881	op->x = at->clone.x;	638	op->x = at->x;
882	op->y = at->clone.y;	639	op->y = at->y;
		640
883	if (head)	641	if (head)
884	op->head = head, prev->more = op;	642	op->head = head, prev->more = op;
		643
885	if (!head)	644	if (!head)
886	head = op;	645	head = op;
		646
887	prev = op;	647	prev = op;
888	at = at->more;	648	at = (archetype *)at->more;
889	}	649	}
		650
890	return (head);	651	return head;
891	}	652	}
892		653
893	/* end of arch.c */

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.15 by root, Sun Sep 10 13:20:12 2006 UTC vs. Revision 1.74 by root, Sun Apr 20 05:24:55 2008 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.15 by root, Sun Sep 10 13:20:12 2006 UTC vs.
Revision 1.74 by root, Sun Apr 20 05:24:55 2008 UTC