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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.33 by root, Sun Dec 31 17:17:22 2006 UTC vs.
Revision 1.63 by root, Mon Jun 4 13:04:00 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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	* Crossfire TRT is free software; you can redistribute it and/or modify it
8	it under the terms of the GNU General Public License as published by	9	* under the terms of the GNU General Public License as published by the Free
9	the Free Software Foundation; either version 2 of the License, or	10	* Software Foundation; either version 2 of the License, or (at your option)
10	(at your option) any later version.	11	* 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, but
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15	GNU General Public License for more details.	16	* for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License along
18	along with this program; if not, write to the Free Software	19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 <crossfire@schmorp.de>
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 <funcpoint.h>
28	#include <loader.h>	29	#include <loader.h>
29		30
30	#define USE_UNORDERED_MAP 0
31
32	#if USE_UNORDERED_MAP
33	# include <tr1/functional>	31	#include <tr1/functional>
34	# include <tr1/unordered_map>	32	#include <tr1/unordered_map>
35	#endif
36
37	int arch_cmp = 0; /* How many strcmp's */
38	int arch_search = 0; /* How many searches */
39	int arch_init; /* True if doing arch initialization */
40		33
41	/* The naming of these functions is really poor - they are all	34	/* The naming of these functions is really poor - they are all
42	* pretty much named '.._arch_...', but they may more may not	35	* pretty much named '.._arch_...', but they may more may not
43	* return archetypes. Some make the arch_to_object call, and thus	36	* return archetypes. Some make the arch_to_object call, and thus
44	* return an object. Perhaps those should be called 'archob' functions	37	* return an object. Perhaps those should be called 'archob' functions
45	* to denote they return an object derived from the archetype.	38	* to denote they return an object derived from the archetype.
46	* MSW 2003-04-29	39	* MSW 2003-04-29
47	*/	40	*/
48		41
49	#if USE_UNORDERED_MAP	42	bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
		43
50	// the hashtable	44	// the hashtable
51	typedef std::tr1::unordered_map	45	typedef std::tr1::unordered_map
52	<	46	<
53	std::size_t,	47	const char *,
54	arch_ptr,	48	arch_ptr,
55	std::tr1::hash<size_t>,	49	str_hash,
56	std::equal_to<size_t>,	50	str_equal,
57	slice_allocator< std::pair<const std::size_t, archetype *> >	51	slice_allocator< std::pair<const char *const, arch_ptr> >
58	true,
59	> HT;	52	> HT;
60		53
61	static HT ht;	54	static HT ht (5000);
62	#else	55	archvec archetypes;
63	static arch_ptr arch_table[ARCHTABLE];
64	#endif
65		56
66	/**	57	/**
67	* GROS - This function retrieves an archetype given the name that appears	58	* GROS - This function retrieves an archetype given the name that appears
68	* during the game (for example, "writing pen" instead of "stylus").	59	* 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.	60	* It does not use the hashtable system, but browse the whole archlist each time.
75	* - the archetype found or null if nothing was found.	66	* - the archetype found or null if nothing was found.
76	*/	67	*/
77	archetype *	68	archetype *
78	find_archetype_by_object_name (const char *name)	69	find_archetype_by_object_name (const char *name)
79	{	70	{
80	archetype *at;	71	shstr_cmp name_cmp (name);
81		72
82	if (name == NULL)	73	for_all_archetypes (at)
83	return (archetype *) NULL;	74	if (at->archname == name_cmp)
84
85	for (at = first_archetype; at != NULL; at = at->next)
86	{
87	if (!strcmp (at->clone.name, name))
88	return at;	75	return at;
89	}	76
90	return NULL;	77	return 0;
91	}	78	}
92		79
93	/**	80	/**
94	* This function retrieves an archetype by type and name that appears during	81	* 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()	82	* the game. It is basically the same as find_archetype_by_object_name()
96	* except that it considers only items of the given type.	83	* except that it considers only items of the given type.
97	*/	84	*/
98	archetype *	85	archetype *
99	find_archetype_by_object_type_name (int type, const char *name)	86	find_archetype_by_object_type_name (int type, const char *name)
100	{	87	{
101	archetype *at;	88	shstr_cmp name_cmp (name);
102		89
103	if (name == NULL)	90	for_all_archetypes (at)
104	return NULL;	91	if (at->archname == 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;	92	return at;
110	}
111		93
112	return NULL;	94	return 0;
113	}	95	}
114		96
115	/* This is a lot like the above function. Instead, we are trying to match	97	/* 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	98	* 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).	99	* against (eg, to only match against skills or only skill objects for example).
118	* If type is -1, ew don't match on type.	100	* If type is -1, ew don't match on type.
119	*/	101	*/
120	object *	102	object *
121	get_archetype_by_skill_name (const char *skill, int type)	103	get_archetype_by_skill_name (const char *skill, int type)
122	{	104	{
123	archetype *	105	shstr_cmp skill_cmp (skill);
124	at;
125		106
126	if (skill == NULL)	107	for_all_archetypes (at)
127	return NULL;	108	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
128
129	for (at = first_archetype; at != NULL; at = at->next)
130	{
131	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
132	return arch_to_object (at);	109	return arch_to_object (at);
133	}	110
134	return NULL;	111	return 0;
135	}	112	}
136		113
137	/* similiar to above - this returns the first archetype	114	/* similiar to above - this returns the first archetype
138	* that matches both the type and subtype. type and subtype	115	* 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	116	* can be -1 to say ignore, but in this case, the match it does
…		…
142	* (eg, skills)	119	* (eg, skills)
143	*/	120	*/
144	archetype *	121	archetype *
145	get_archetype_by_type_subtype (int type, int subtype)	122	get_archetype_by_type_subtype (int type, int subtype)
146	{	123	{
147	archetype *	124	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))	125	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
153	return at;	126	return at;
154	}	127
155	return NULL;	128	return 0;
156	}	129	}
157		130
158	/**	131	/**
159	* GROS - this returns a new object given the name that appears during the game	132	* GROS - this returns a new object given the name that appears during the game
160	* (for example, "writing pen" instead of "stylus").	133	* (for example, "writing pen" instead of "stylus").
…		…
168	* but it otherwise had a big memory leak.	141	* but it otherwise had a big memory leak.
169	*/	142	*/
170	object *	143	object *
171	get_archetype_by_object_name (const char *name)	144	get_archetype_by_object_name (const char *name)
172	{	145	{
173	archetype *at;
174	char tmpname[MAX_BUF];	146	char tmpname[MAX_BUF];
175	int i;	147	int i;
176		148
177	assign (tmpname, name);	149	assign (tmpname, name);
178		150
179	for (i = strlen (tmpname); i > 0; i--)	151	for (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
184	if (at != NULL)
185	return arch_to_object (at);	156	return arch_to_object (at);
186	}	157	}
187		158
188	return create_singularity (name);	159	return create_singularity (name);
189	}	160	}
…		…
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 */
…		…
304	}	275	}
305		276
306	return 0;	277	return 0;
307	}	278	}
308		279
309	/*	280	archetype::archetype (const char *name)
310	* Initialises the internal linked list of archetypes (read from file).	281	{
311	* Then the global "empty_archetype" pointer is initialised.	282	stub = true;
312	* Then the blocksview[] array is initialised.	283	arch = this;
313	*/	284	this->archname = this->name = this->name_pl = name;
		285	}
		286
		287	archetype::~archetype ()
		288	{
		289	unlink ();
		290	}
314		291
315	void	292	void
316	init_archetypes (void)	293	archetype::link ()
317	{ /* called from add_player() and edit() */	294	{
318	if (first_archetype != NULL) /* Only do this once */	295	ht.insert (std::make_pair (archname, this));
		296
		297	if (!archetypes.contains (this))
		298	archetypes.insert (this);
		299	}
		300
		301	void
		302	archetype::unlink ()
		303	{
		304	ht.erase (archname);
		305
		306	if (archetypes.contains (this))
		307	archetypes.erase (this);
		308	}
		309
		310	/*
		311	* Finds, using the hashtable, which archetype matches the given name.
		312	* returns a pointer to the found archetype, otherwise NULL.
		313	*/
		314	archetype *
		315	archetype::find (const char *name)
		316	{
		317	if (!name)
319	return;	318	return 0;
320		319
321	arch_init = 1;	320	auto (i, ht.find (name));
322	load_archetypes ();	321
323	arch_init = 0;	322	if (i == ht.end ())
		323	return 0;
		324	else
		325	return i->second;
		326	}
		327
		328	archetype *
		329	archetype::get (const char *name)
		330	{
		331	if (!name)
		332	{
		333	LOG (llevError, "null archetype requested\n");
		334	name = "(null)";
		335	}
		336
		337	archetype *at = find (name);
		338
		339	if (loading_arch && at && !at->stub)
		340	{
		341	at->unlink ();
		342	at = 0;
		343	}
		344
		345	if (!at \|\| (!at->stub && loading_arch))
		346	{
		347	at = new archetype (name);
		348	at->link ();
		349	}
		350
		351	return at;
		352	}
		353
		354	archetype *
		355	archetype::read (object_thawer &f)
		356	{
		357	assert (f.kw == KW_object);
		358
		359	loading_arch = true; // hack to tell parse_kv et al. to behave
		360
		361	std::vector<archetype *> parts;
		362
		363	coroapi::cede_to_tick_every (10);
		364
		365	for (;;)
		366	{
		367	// the archetype might have been referenced earlier
		368	// so try to find an existing stub archetype first
		369	archetype *at = find (f.get_str ());
		370
		371	if (!at \|\| !at->stub)
		372	at = new archetype (f.get_str ());
		373
		374	f.next ();
		375
		376	#if 0
		377	// implementing it here in the server does neither allow multiple inheritence
		378	// nor does it cleanly "just override". it would allow use in map files, though,
		379	// and other resource files dynamically laoded (as opposed to being preprocessed).
		380	// not that any of this is relevant as of yet...
		381	if (f.kw == KW_inherit)
		382	{
		383	if (archetype *at = find (f.get_str ()))
		384	*op = at->clone;
		385	else
		386	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		387	&at->archname, f.get_str ());
		388
		389	f.next ();
		390	}
		391	#endif
		392
		393	if (!at->parse_kv (f))
		394	goto fail;
		395
		396	at->post_load_check ();
		397
		398	parts.push_back (at);
		399
		400	if (f.kw != KW_more)
		401	break;
		402
		403	f.next ();
		404
		405	if (f.kw != KW_object)
		406	{
		407	f.parse_error ("more object");
		408	goto fail;
		409	}
		410	}
		411
		412	loading_arch = false;
		413
		414	{
		415	auto (at, parts.begin ());
		416
		417	archetype *new_head = parts.front ();
		418	archetype *old_head = find (new_head->archname);
		419
		420	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		421	fprintf (stderr, "%d: %s\n", at - parts.begin(), &(*at)->archname);//D
		422
		423	// check that all archetypes belong to the same old object or are new
		424	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		425	{
		426	archetype new_part = at;
		427	archetype *old_part = find (new_part->archname);
		428
		429	if (old_part && old_part->head_ () != old_head)
		430	{
		431	fprintf (stderr, "nhn %s\n", &new_head->archname);//D
		432	fprintf (stderr, "old_head %p,%p new_head %p,%p ph %p\n", old_head, old_part, new_head, new_part, old_part->head_());
		433	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		434	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		435	goto fail;
		436	}
		437	}
		438
		439	fprintf (stderr, "oh %p %s\n", old_head, &new_head->archname);//D
		440
		441	// deactivate existing archetype
		442	for (archetype at = old_head; at; at = (archetype )at->more)
		443	at->unlink ();
		444
		445	// reassemble new chain
		446	new_head->min_x = new_head->max_x = new_head->x;
		447	new_head->min_y = new_head->max_y = new_head->y;
		448
		449	archetype *less = new_head;
		450	archetype *head = 0;
		451	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		452	{
		453	archetype at = p;
		454
		455	if (at->x < new_head->min_x) new_head->min_x = at->x;
		456	if (at->y < new_head->min_y) new_head->min_y = at->y;
		457	if (at->x > new_head->max_x) new_head->max_x = at->x;
		458	if (at->y > new_head->max_y) new_head->max_y = at->y;
		459
		460	at->head = head; head = new_head;
		461	less->more = at; less = at;
		462	}
		463
		464	// now activate it
		465	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		466	{
		467	archetype at = p;
		468	at->stub = false;
		469	at->link ();
		470	}
		471
		472	return new_head;
		473	}
		474
		475	fail:
		476	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		477	(*p)->destroy (true);
		478
		479	loading_arch = false;
		480	return 0;
		481	}
		482
		483	/*
		484	* Initialize global archtype pointers:
		485	*/
		486	void
		487	init_archetype_pointers ()
		488	{
		489	ring_arch = archetype::find ("ring");
		490	amulet_arch = archetype::find ("amulet");
		491	staff_arch = archetype::find ("staff");
		492	crown_arch = archetype::find ("crown");
324	empty_archetype = archetype::find ("empty_archetype");	493	empty_archetype = archetype::find ("empty_archetype");
325
326	/* init_blocksview();*/
327	}
328
329	/*
330	* Stores debug-information about how efficient the hashtable
331	* used for archetypes has been in the static errmsg array.
332	*/
333
334	void
335	arch_info (object *op)
336	{
337	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);
338	new_draw_info (NDI_BLACK, 0, op, errmsg);
339	}
340
341	/*
342	* Initialise the hashtable used by the archetypes.
343	*/
344
345	void
346	clear_archetable (void)
347	{
348	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));
349	}
350
351	/*
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	{
376	if (at->more)
377	next = at->more;
378	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_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
393	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
394	}
395
396	archetype::~archetype ()
397	{
398	}
399
400	/*
401	* Reads/parses the archetype-file, and copies into a linked list
402	* of archetype-structures.
403	*/
404	void
405	first_arch_pass (object_thawer & fp)
406	{
407	archetype head = 0, last_more = 0;
408
409	archetype *at = new archetype;
410	at->clone.arch = first_archetype = at;
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	{
425	case LL_NORMAL: /* A new archetype, just link it with the previous */
426	if (last_more != NULL)
427	last_more->next = at;
428	if (head != NULL)
429	head->next = at;
430	head = last_more = at;
431	#if 0
432	if (!op->type)
433	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
434	#endif
435	at->tail_x = 0;
436	at->tail_y = 0;
437	break;
438
439	case LL_MORE: /* Another part of the previous archetype, link it correctly */
440
441	at->head = head;
442	at->clone.head = &head->clone;
443	if (last_more != NULL)
444	{
445	last_more->more = at;
446	last_more->clone.more = &at->clone;
447	}
448	last_more = at;
449
450	/* If this multipart image is still composed of individual small
451	* images, don't set the tail_.. values. We can't use them anyways,
452	* and setting these to zero makes the map sending to the client much
453	* easier as just looking at the head, we know what to do.
454	*/
455	if (at->clone.face != head->clone.face)
456	{
457	head->tail_x = 0;
458	head->tail_y = 0;
459	}
460	else
461	{
462	if (at->clone.x > head->tail_x)
463	head->tail_x = at->clone.x;
464	if (at->clone.y > head->tail_y)
465	head->tail_y = at->clone.y;
466	}
467	break;
468
469	}
470
471	at = new archetype;
472
473	at->clone.arch = at;
474	}
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	{
492	if (*buf == '#')
493	continue;
494	if ((argument = strchr (buf, ' ')) != NULL)
495	{
496	*argument = '\0', argument++;
497	cp = argument + strlen (argument) - 1;
498	while (isspace (*cp))
499	{
500	*cp = '\0';
501	cp--;
502	}
503	}
504	if (!strcmp ("Object", variable))
505	{
506	if ((at = archetype::find (argument)) == NULL)
507	LOG (llevError, "Warning: failed to find arch %s\n", argument);
508	}
509	else if (!strcmp ("other_arch", variable))
510	{
511	if (at != NULL && at->clone.other_arch == NULL)
512	{
513	if ((other = archetype::find (argument)) == NULL)
514	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
515	else if (at != NULL)
516	at->clone.other_arch = other;
517	}
518	}
519	else if (!strcmp ("randomitems", variable))
520	{
521	if (at != NULL)
522	{
523	treasurelist *tl = find_treasurelist (argument);
524
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	}
533
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	}	494	}
589		495
590	/*	496	/*
591	* Creates and returns a new object which is a copy of the given archetype.	497	* Creates and returns a new object which is a copy of the given archetype.
592	* This function returns NULL on failure.	498	* This function returns NULL on failure.
593	*/	499	*/
594	object *	500	object *
595	arch_to_object (archetype *at)	501	arch_to_object (archetype *at)
596	{	502	{
597	object *op;	503	if (!at)
598
599	if (at == NULL)
600	{	504	{
601	if (warn_archetypes)
602	LOG (llevError, "Couldn't find archetype.\n");	505	LOG (llevError, "Couldn't find archetype.\n");
603
604	return NULL;	506	return 0;
605	}	507	}
606		508
607	op = at->clone.clone ();	509	object *op = at->clone ();
608	op->arch = at;	510	op->arch = at;
609	op->instantiate ();	511	op->instantiate ();
		512
610	return op;	513	return op;
611	}	514	}
612		515
613	/*	516	/*
614	* Creates an object. This function is called by get_archetype()	517	* Creates an object. This function is called by get_archetype()
…		…
643		546
644	return arch_to_object (at);	547	return arch_to_object (at);
645	}	548	}
646		549
647	/*	550	/*
648	* Hash-function used by the arch-hashtable.
649	*/
650
651	unsigned long
652	hasharch (const char *str, int tablesize)
653	{
654	unsigned long hash = 0;
655	unsigned int i = 0;
656	const char *p;
657
658	/* use the one-at-a-time hash function, which supposedly is
659	* better than the djb2-like one used by perl5.005, but
660	* certainly is better then the bug used here before.
661	* see http://burtleburtle.net/bob/hash/doobs.html
662	*/
663	for (p = str; i < MAXSTRING && *p; p++, i++)
664	{
665	hash += *p;
666	hash += hash << 10;
667	hash ^= hash >> 6;
668	}
669
670	hash += hash << 3;
671	hash ^= hash >> 11;
672	hash += hash << 15;
673
674	return hash % tablesize;
675	}
676
677	/*
678	* Finds, using the hashtable, which archetype matches the given name.
679	* returns a pointer to the found archetype, otherwise NULL.
680	*/
681
682	archetype *
683	archetype::find (const char *name)
684	{
685	if (!name)
686	return 0;
687
688	#if USE_UNORDERED_MAP
689	AUTODECL (i, ht.find ((size_t) name));
690
691	if (i == ht.end ())
692	return 0;
693	else
694	return i->second;
695	#endif
696
697	archetype *at;
698	unsigned long index;
699
700	index = hasharch (name, ARCHTABLE);
701	arch_search++;
702	for (;;)
703	{
704	at = arch_table[index];
705
706	if (at == NULL)
707	{
708	if (warn_archetypes)
709	LOG (llevError, "Couldn't find archetype %s\n", name);
710
711	return NULL;
712	}
713
714	arch_cmp++;
715
716	if (!strcmp ((const char *) at->name, name))
717	return at;
718
719	if (++index >= ARCHTABLE)
720	index = 0;
721	}
722	}
723
724	/*
725	* Adds an archetype to the hashtable.
726	*/
727	void
728	archetype::hash_add ()
729	{
730	#if USE_UNORDERED_MAP
731	ht.insert (std::make_pair ((size_t) (const char *) name, this));
732	#else
733
734	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
735
736	for (;;)
737	{
738	if (!arch_table[index])
739	{
740	arch_table[index] = this;
741	break;
742	}
743
744	if (++index == ARCHTABLE)
745	index = 0;
746
747	if (index == org_index)
748	fatal (ARCHTABLE_TOO_SMALL);
749	}
750	#endif
751	}
752
753	void
754	archetype::hash_del ()
755	{
756	#if USE_UNORDERED_MAP
757	# error remove this from HT
758	#else
759
760	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
761
762	for (;;)
763	{
764	if (arch_table[index] == this)
765	{
766	arch_table[index] = 0;
767	break;
768	}
769
770	if (++index == ARCHTABLE)
771	index = 0;
772
773	if (index == org_index)
774	break;
775	}
776	#endif
777	}
778
779	/*
780	* Returns the first archetype using the given type.	551	* Returns the first archetype using the given type.
781	* Used in treasure-generation.	552	* Used in treasure-generation.
782	*/	553	*/
783
784	archetype *	554	archetype *
785	type_to_archetype (int type)	555	type_to_archetype (int type)
786	{	556	{
787	archetype *at;	557	for_all_archetypes (at)
788		558	if (at->type == type && at->head_ () != at)
789	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
790	if (at->clone.type == type)
791	return at;	559	return at;
792		560
793	return 0;	561	return 0;
794	}	562	}
795		563
796	/*	564	/*
797	* Returns a new object copied from the first archetype matching	565	* Returns a new object copied from the first archetype matching
798	* the given type.	566	* the given type.
799	* Used in treasure-generation.	567	* Used in treasure-generation.
800	*/	568	*/
801
802	object *	569	object *
803	clone_arch (int type)	570	clone_arch (int type)
804	{	571	{
805	archetype *at;	572	archetype *at;
806		573
…		…
808	{	575	{
809	LOG (llevError, "Can't clone archetype %d\n", type);	576	LOG (llevError, "Can't clone archetype %d\n", type);
810	return 0;	577	return 0;
811	}	578	}
812		579
813	object *op = at->clone.clone ();	580	object *op = at->clone ();
814	op->instantiate ();	581	op->instantiate ();
815	return op;	582	return op;
816	}	583	}
817		584
818	/*	585	/*
819	* member: make instance from class	586	* member: make instance from class
820	*/	587	*/
821
822	object *	588	object *
823	object_create_arch (archetype *at)	589	object_create_arch (archetype *at)
824	{	590	{
825	object op, prev = 0, *head = 0;	591	object op, prev = 0, *head = 0;
826		592
827	while (at)	593	while (at)
828	{	594	{
829	op = arch_to_object (at);	595	op = arch_to_object (at);
		596
830	op->x = at->clone.x;	597	op->x = at->x;
831	op->y = at->clone.y;	598	op->y = at->y;
832		599
833	if (head)	600	if (head)
834	op->head = head, prev->more = op;	601	op->head = head, prev->more = op;
835		602
836	if (!head)	603	if (!head)
837	head = op;	604	head = op;
838		605
839	prev = op;	606	prev = op;
840	at = at->more;	607	at = (archetype *)at->more;
841	}	608	}
842		609
843	return (head);	610	return head;
844	}	611	}
845		612

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.33 by root, Sun Dec 31 17:17:22 2006 UTC vs. Revision 1.63 by root, Mon Jun 4 13:04:00 2007 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.33 by root, Sun Dec 31 17:17:22 2006 UTC vs.
Revision 1.63 by root, Mon Jun 4 13:04:00 2007 UTC