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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.24 by root, Sat Sep 16 22:24:12 2006 UTC vs.
Revision 1.57 by root, Thu Apr 19 19:24:25 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game for X-windows
3		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (C) 2002 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program; if not, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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 at <crossfire@schmorp.de>
22	*/	23	*/
23		24
24	#include <cassert>	25	#include <cassert>
25		26
26	#include <tr1/unordered_map>
27
28	#include <global.h>	27	#include <global.h>
29	#include <arch.h>
30	#include <funcpoint.h>	28	#include <funcpoint.h>
31	#include <loader.h>	29	#include <loader.h>
32		30
33	/* IF set, does a little timing on the archetype load. */	31	#include <tr1/functional>
34	#define TIME_ARCH_LOAD 0	32	#include <tr1/unordered_map>
35
36	static void add_arch (archetype *at);
37
38	static archetype *arch_table[ARCHTABLE];
39	int arch_cmp = 0; /* How many strcmp's */
40	int arch_search = 0; /* How many searches */
41	int arch_init; /* True if doing arch initialization */
42		33
43	/* The naming of these functions is really poor - they are all	34	/* The naming of these functions is really poor - they are all
44	* pretty much named '.._arch_...', but they may more may not	35	* pretty much named '.._arch_...', but they may more may not
45	* return archetypes. Some make the arch_to_object call, and thus	36	* return archetypes. Some make the arch_to_object call, and thus
46	* return an object. Perhaps those should be called 'archob' functions	37	* return an object. Perhaps those should be called 'archob' functions
47	* to denote they return an object derived from the archetype.	38	* to denote they return an object derived from the archetype.
48	* MSW 2003-04-29	39	* MSW 2003-04-29
49	*/	40	*/
50		41
51	#if USE_UNORDERED_MAP	42	bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
		43
52	// the hashtable	44	// the hashtable
53	typedef std::tr1::unordered_map	45	typedef std::tr1::unordered_map
54	<	46	<
55	std::size_t,	47	const char *,
56	archetype *,	48	arch_ptr,
57	std::hash<size_t>,	49	str_hash,
58	std::equal_to<size_t>,	50	str_equal,
59	slice_allocator< std::pair<const std::size_t, archetype *> >	51	slice_allocator< std::pair<const char *const, arch_ptr> >
60	true,
61	> HT;	52	> HT;
62		53
63	static HT ht;	54	static HT ht (5000);
64	#endif	55	static std::vector<archetype *> archetypes;
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)
83	return (archetype *) NULL;
84
85	for (at = first_archetype; at != NULL; at = at->next)	73	for (archetype *at = first_archetype; at; at = at->next)
86	{	74	if (at->clone.name == name_cmp)
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)
104	return NULL;
105
106	for (at = first_archetype; at != NULL; at = at->next)	90	for (archetype *at = first_archetype; at; at = at->next)
107	{	91	if (at->clone.name == name_cmp && at->clone.type == type)
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)
127	return NULL;
128
129	for (at = first_archetype; at != NULL; at = at->next)	107	for (archetype *at = first_archetype; at; at = at->next)
130	{	108	if (at->clone.skill == skill_cmp && (type == -1 \|\| type == at->clone.type))
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 *
148	at;
149
150	for (at = first_archetype; at != NULL; at = at->next)	124	for (archetype *at = first_archetype; at; at = at->next)
151	{
152	if (((type == -1) \|\| (type == at->clone.type)) && (subtype == -1 \|\| subtype == at->clone.subtype))	125	if ((type == -1 \|\| type == at->clone.type) && (subtype == -1 \|\| subtype == at->clone.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 ()
310	* Initialises the internal linked list of archetypes (read from file).	281	{
311	* Then the global "empty_archetype" pointer is initialised.	282	clone.arch = this;
312	* Then the blocksview[] array is initialised.
313	*/
314		283
		284	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
		285	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
		286	}
		287
		288	archetype::~archetype ()
		289	{
		290	//TODO: nuke ->more's
		291	}
		292
		293	static void
		294	unlink (archetype *at)
		295	{
		296	if (at->head)
		297	at = at->head;
		298
		299	// destroy this archetype's link, making singletons out of its parts
		300	while (at)
		301	{
		302	archetype *more = at->more;
		303	at->clone.destroy_inv ();
		304	at->head = at->more = 0;
		305	at = more;
		306	}
		307	}
		308
		309	// dire hack, need to rationalise
315	void	310	void
316	init_archetypes (void)	311	overwrite (archetype at, object op)
317	{ /* called from add_player() and edit() */	312	{
318	if (first_archetype != NULL) /* Only do this once */	313	at->clone = *op;
		314	at->clone.arch = at;
		315
		316	at->clone.inv = op->inv; op->inv = 0;
		317
		318	op->destroy ();
		319	}
		320
		321	archetype *
		322	archetype::read (object_thawer &f)
		323	{
		324	assert (f.kw == KW_object);
		325
		326	loading_arch = true; // hack to tell parse_kv et al. to behave
		327
		328	typedef std::pair<archetype , object > part;
		329	std::vector<part> parts;
		330
		331	coroapi::cede_to_tick_every (100);
		332
		333	for (;;)
		334	{
		335	object *op = object::create ();
		336	archetype *at = get (f.get_str ());
		337	f.get (op->name);
		338	f.next ();
		339
		340	#if 0
		341	if (f.kw == KW_inherit)
		342	{
		343	if (archetype *at = find (f.get_str ()))
		344	*op = at->clone;
		345	else
		346	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		347	&at->name, f.get_str ());
		348
		349	f.next ();
		350	}
		351	#endif
		352
		353	if (!op->parse_kv (f))
		354	goto fail;
		355
		356	parts.push_back (std::make_pair (at, op));
		357
		358	if (f.kw != KW_more)
		359	break;
		360
		361	f.next ();
		362
		363	if (f.kw != KW_object)
		364	{
		365	f.parse_error ("more object");
		366	goto fail;
		367	}
		368	}
		369
		370	{
		371	archetype *head = parts.front ().first;
		372
		373	// check that all archetypes belong to the same object or are heads
		374	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		375	{
		376	archetype *at = p->first;
		377
		378	if (at->head != head && at->head)
		379	{
		380	LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name);
		381	goto fail;
		382	}
		383
		384	if (at->next && at != head)
		385	{
		386	LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name);
		387	goto fail;
		388	}
		389	}
		390
		391	// sever chain of existing head object
		392	for (archetype more, at = head; at; at = more)
		393	{
		394	more = at->more;
		395
		396	at->head = 0;
		397	at->more = 0;
		398	}
		399
		400	// replace/update head
		401	overwrite (head, parts.front ().second);
		402	head->tail_x = 0;
		403	head->tail_y = 0;
		404
		405	// link into list of heads, if not already there
		406	if (!head->linked)
		407	{
		408	head->linked = true;
		409	head->next = first_archetype;
		410	first_archetype = head;
		411	}
		412
		413	// reassemble new chain
		414	archetype *prev = head;
		415	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		416	{
		417	archetype *at = p->first;
		418	overwrite (at, p->second);
		419
		420	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
		421	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
		422
		423	at->head = head;
		424	at->clone.head = &head->clone;
		425	prev->more = at;
		426	prev->clone.more = &at->clone;
		427
		428	prev = at;
		429	}
		430
		431	loading_arch = false;
		432	return head;
		433	}
		434
		435	fail:
		436	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		437	p->second->destroy (true);
		438
		439	loading_arch = false;
319	return;	440	return 0;
		441	}
320		442
321	arch_init = 1;	443	/*
322	load_archetypes ();	444	* Initialize global archtype pointers:
323	arch_init = 0;	445	*/
		446	void
		447	init_archetype_pointers ()
		448	{
		449	ring_arch = archetype::find ("ring");
		450	amulet_arch = archetype::find ("amulet");
		451	staff_arch = archetype::find ("staff");
		452	crown_arch = archetype::find ("crown");
324	empty_archetype = archetype::find ("empty_archetype");	453	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	add_arch (at);
364
365	LOG (llevDebug, "done\n");
366	}
367
368	/*
369	* Dumps an archetype to debug-level output.
370	*/
371
372	void
373	dump_arch (archetype *at)
374	{
375	dump_object (&at->clone);
376	}
377
378	/*
379	* Dumps _all_ archetypes to debug-level output.
380	* If you run crossfire with debug, and enter DM-mode, you can trigger
381	* this with the O key.
382	*/
383
384	void
385	dump_all_archetypes (void)
386	{
387	archetype *at;
388
389	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
390	{
391	dump_arch (at);
392	fprintf (logfile, "%s\n", errmsg);
393	}
394	}
395
396	void
397	free_all_archs (void)
398	{
399	archetype at, next;
400	int i = 0, f = 0;
401
402	for (at = first_archetype; at != NULL; at = next)
403	{
404	if (at->more)
405	next = at->more;
406	else
407	next = at->next;
408
409	delete
410	at;
411
412	i++;
413	}
414	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
415	}
416
417	archetype::archetype ()
418	{
419	clear_object (&clone); /* to initial state other also */
420	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
421	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
422	}
423
424	archetype::~archetype ()
425	{
426	}
427
428	/*
429	* Reads/parses the archetype-file, and copies into a linked list
430	* of archetype-structures.
431	*/
432	void
433	first_arch_pass (object_thawer & fp)
434	{
435	archetype at, head = NULL, *last_more = NULL;
436
437	at->clone.arch = first_archetype = at = new archetype;
438
439	while (int i = load_object (fp, &at->clone, 0))
440	{
441	at->clone.speed_left = (float) (-0.1);
442	/* copy the body_info to the body_used - this is only really
443	* need for monsters, but doesn't hurt to do it for everything.
444	* by doing so, when a monster is created, it has good starting
445	* values for the body_used info, so when items are created
446	* for it, they can be properly equipped.
447	*/
448	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
449
450	switch (i)
451	{
452	case LL_NORMAL: /* A new archetype, just link it with the previous */
453	if (last_more != NULL)
454	last_more->next = at;
455	if (head != NULL)
456	head->next = at;
457	head = last_more = at;
458	#if 0
459	if (!op->type)
460	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
461	#endif
462	at->tail_x = 0;
463	at->tail_y = 0;
464	break;
465
466	case LL_MORE: /* Another part of the previous archetype, link it correctly */
467
468	at->head = head;
469	at->clone.head = &head->clone;
470	if (last_more != NULL)
471	{
472	last_more->more = at;
473	last_more->clone.more = &at->clone;
474	}
475	last_more = at;
476
477	/* If this multipart image is still composed of individual small
478	* images, don't set the tail_.. values. We can't use them anyways,
479	* and setting these to zero makes the map sending to the client much
480	* easier as just looking at the head, we know what to do.
481	*/
482	if (at->clone.face != head->clone.face)
483	{
484	head->tail_x = 0;
485	head->tail_y = 0;
486	}
487	else
488	{
489	if (at->clone.x > head->tail_x)
490	head->tail_x = at->clone.x;
491	if (at->clone.y > head->tail_y)
492	head->tail_y = at->clone.y;
493	}
494	break;
495
496	}
497
498	at = new archetype;
499
500	at->clone.arch = at;
501	}
502
503	delete at;
504	}
505
506	/*
507	* Reads the archetype file once more, and links all pointers between
508	* archetypes.
509	*/
510
511	void
512	second_arch_pass (object_thawer & thawer)
513	{
514	char buf[MAX_BUF], variable = buf, argument, *cp;
515	archetype at = NULL, other;
516
517	while (fgets (buf, MAX_BUF, thawer) != NULL)
518	{
519	if (*buf == '#')
520	continue;
521	if ((argument = strchr (buf, ' ')) != NULL)
522	{
523	*argument = '\0', argument++;
524	cp = argument + strlen (argument) - 1;
525	while (isspace (*cp))
526	{
527	*cp = '\0';
528	cp--;
529	}
530	}
531	if (!strcmp ("Object", variable))
532	{
533	if ((at = archetype::find (argument)) == NULL)
534	LOG (llevError, "Warning: failed to find arch %s\n", argument);
535	}
536	else if (!strcmp ("other_arch", variable))
537	{
538	if (at != NULL && at->clone.other_arch == NULL)
539	{
540	if ((other = archetype::find (argument)) == NULL)
541	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
542	else if (at != NULL)
543	at->clone.other_arch = other;
544	}
545	}
546	else if (!strcmp ("randomitems", variable))
547	{
548	if (at != NULL)
549	{
550	treasurelist *tl = find_treasurelist (argument);
551
552	if (tl == NULL)
553	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
554	else
555	at->clone.randomitems = tl;
556	}
557	}
558	}
559	}
560
561	#ifdef DEBUG
562	void
563	check_generators (void)
564	{
565	archetype *at;
566
567	for (at = first_archetype; at != NULL; at = at->next)
568	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
569	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
570	}
571	#endif
572
573	/*
574	* First initialises the archtype hash-table (init_archetable()).
575	* Reads and parses the archetype file (with the first and second-pass
576	* functions).
577	* Then initialises treasures by calling load_treasures().
578	*/
579
580	void
581	load_archetypes (void)
582	{
583	char filename[MAX_BUF];
584
585	#if TIME_ARCH_LOAD
586	struct timeval
587	tv1,
588	tv2;
589	#endif
590
591	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
592	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
593
594	{
595	object_thawer
596	thawer (filename);
597
598	clear_archetable ();
599	LOG (llevDebug, " arch-pass 1...\n");
600	first_arch_pass (thawer);
601	LOG (llevDebug, " done\n");
602	}
603
604	init_archetable ();
605	warn_archetypes = 1;
606
607	{
608	object_thawer
609	thawer (filename);
610
611	LOG (llevDebug, " loading treasure...\n");
612	load_treasures ();
613	LOG (llevDebug, " done\n arch-pass 2...\n");
614	second_arch_pass (thawer);
615	LOG (llevDebug, " done\n");
616	#ifdef DEBUG
617	check_generators ();
618	#endif
619	}
620	LOG (llevDebug, " done\n");
621	}	454	}
622		455
623	/*	456	/*
624	* Creates and returns a new object which is a copy of the given archetype.	457	* Creates and returns a new object which is a copy of the given archetype.
625	* This function returns NULL on failure.	458	* This function returns NULL on failure.
626	*/	459	*/
627
628	object *	460	object *
629	arch_to_object (archetype *at)	461	arch_to_object (archetype *at)
630	{	462	{
631	object *op;	463	if (!at)
632
633	if (at == NULL)
634	{	464	{
635	if (warn_archetypes)
636	LOG (llevError, "Couldn't find archetype.\n");	465	LOG (llevError, "Couldn't find archetype.\n");
637
638	return NULL;	466	return 0;
639	}	467	}
640		468
641	op = get_object ();	469	object *op = at->clone.clone ();
642	copy_object (&at->clone, op);
643	op->arch = at;	470	op->arch = at;
644	op->instantiate ();	471	op->instantiate ();
		472
645	return op;	473	return op;
646	}	474	}
647		475
648	/*	476	/*
649	* Creates an object. This function is called by get_archetype()	477	* Creates an object. This function is called by get_archetype()
650	* if it fails to find the appropriate archetype.	478	* if it fails to find the appropriate archetype.
651	* Thus get_archetype() will be guaranteed to always return	479	* Thus get_archetype() will be guaranteed to always return
652	* an object, and never NULL.	480	* an object, and never NULL.
653	*/	481	*/
654
655	object *	482	object *
656	create_singularity (const char *name)	483	create_singularity (const char *name)
657	{	484	{
658	object *op;	485	object *op;
659	char buf[MAX_BUF];	486	char buf[MAX_BUF];
660		487
661	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	488	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);
662	op = get_object ();	489	op = object::create ();
663	op->name = op->name_pl = buf;	490	op->name = op->name_pl = buf;
664	SET_FLAG (op, FLAG_NO_PICK);	491	SET_FLAG (op, FLAG_NO_PICK);
665	return op;	492	return op;
666	}	493	}
667		494
668	/*	495	/*
669	* Finds which archetype matches the given name, and returns a new	496	* Finds which archetype matches the given name, and returns a new
670	* object containing a copy of the archetype.	497	* object containing a copy of the archetype.
671	*/	498	*/
672
673	object *	499	object *
674	get_archetype (const char *name)	500	get_archetype (const char *name)
675	{	501	{
676	archetype *at = archetype::find (name);	502	archetype *at = archetype::find (name);
677		503
…		…
680		506
681	return arch_to_object (at);	507	return arch_to_object (at);
682	}	508	}
683		509
684	/*	510	/*
685	* Hash-function used by the arch-hashtable.
686	*/
687
688	unsigned long
689	hasharch (const char *str, int tablesize)
690	{
691	unsigned long hash = 0;
692	unsigned int i = 0;
693	const char *p;
694
695	/* use the one-at-a-time hash function, which supposedly is
696	* better than the djb2-like one used by perl5.005, but
697	* certainly is better then the bug used here before.
698	* see http://burtleburtle.net/bob/hash/doobs.html
699	*/
700	for (p = str; i < MAXSTRING && *p; p++, i++)
701	{
702	hash += *p;
703	hash += hash << 10;
704	hash ^= hash >> 6;
705	}
706
707	hash += hash << 3;
708	hash ^= hash >> 11;
709	hash += hash << 15;
710
711	return hash % tablesize;
712	}
713
714	/*
715	* Finds, using the hashtable, which archetype matches the given name.	511	* Finds, using the hashtable, which archetype matches the given name.
716	* returns a pointer to the found archetype, otherwise NULL.	512	* returns a pointer to the found archetype, otherwise NULL.
717	*/	513	*/
718
719	archetype *	514	archetype *
720	archetype::find (const char *name)	515	archetype::find (const char *name)
721	{	516	{
722	if (!name)	517	if (!name)
723	return 0;	518	return 0;
724		519
725	#if USE_UNORDERED_MAP	520	auto (i, ht.find (name));
726	AUTODECL (i, ht.find ((size_t) name));
727		521
728	if (i == ht.end ())	522	if (i == ht.end ())
729	return 0;	523	return 0;
730	else	524	else
731	return i->second;	525	return i->second;
732	#endif	526	}
733		527
734	archetype *at;	528	archetype *
735	unsigned long index;	529	archetype::get (const char *name)
		530	{
		531	archetype *at = find (name);
736		532
737	index = hasharch (name, ARCHTABLE);	533	if (!at)
738	arch_search++;
739	for (;;)
740	{
741	at = arch_table[index];
742
743	if (at == NULL)
744	{
745	if (warn_archetypes)
746	LOG (llevError, "Couldn't find archetype %s\n", name);
747
748	return NULL;
749	}
750
751	arch_cmp++;
752
753	if (!strcmp ((const char *) at->name, name))
754	return at;
755
756	if (++index >= ARCHTABLE)
757	index = 0;
758	}	534	{
		535	archetypes.push_back (at = new archetype);
		536	at->name = at->clone.name = at->clone.name_pl = name;
		537	at->hash_add ();
		538	}
		539
		540	return at;
759	}	541	}
760		542
761	/*	543	/*
762	* Adds an archetype to the hashtable.	544	* Adds an archetype to the hashtable.
763	*/	545	*/
764		546	void
765	static void	547	archetype::hash_add ()
766	add_arch (archetype *at)
767	{	548	{
768	#if USE_UNORDERED_MAP	549	ht.insert (std::make_pair (name, this));
769	ht.insert (std::make_pair ((size_t) (const char *) at->name, at));	550	}
770	#endif
771		551
772	int index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;	552	void
773		553	archetype::hash_del ()
774	for (;;)	554	{
775	{	555	ht.erase (name);
776	if (arch_table[index] == NULL)
777	{
778	arch_table[index] = at;
779	return;
780	}
781
782	if (++index == ARCHTABLE)
783	index = 0;
784
785	if (index == org_index)
786	fatal (ARCHTABLE_TOO_SMALL);
787	}
788	}	556	}
789		557
790	/*	558	/*
791	* Returns the first archetype using the given type.	559	* Returns the first archetype using the given type.
792	* Used in treasure-generation.	560	* Used in treasure-generation.
793	*/	561	*/
794
795	archetype *	562	archetype *
796	type_to_archetype (int type)	563	type_to_archetype (int type)
797	{	564	{
798	archetype *at;
799
800	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)	565	for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
801	if (at->clone.type == type)	566	if (at->clone.type == type)
802	return at;	567	return at;
803		568
804	return 0;	569	return 0;
805	}	570	}
…		…
807	/*	572	/*
808	* Returns a new object copied from the first archetype matching	573	* Returns a new object copied from the first archetype matching
809	* the given type.	574	* the given type.
810	* Used in treasure-generation.	575	* Used in treasure-generation.
811	*/	576	*/
812
813	object *	577	object *
814	clone_arch (int type)	578	clone_arch (int type)
815	{	579	{
816	archetype *at;	580	archetype *at;
817	object *op = get_object ();
818		581
819	if ((at = type_to_archetype (type)) == NULL)	582	if ((at = type_to_archetype (type)) == NULL)
820	{	583	{
821	LOG (llevError, "Can't clone archetype %d\n", type);	584	LOG (llevError, "Can't clone archetype %d\n", type);
822	free_object (op);
823	return NULL;	585	return 0;
824	}	586	}
825		587
826	copy_object (&at->clone, op);	588	object *op = at->clone.clone ();
827	op->instantiate ();	589	op->instantiate ();
828	return op;	590	return op;
829	}	591	}
830		592
831	/*	593	/*

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.24 by root, Sat Sep 16 22:24:12 2006 UTC vs. Revision 1.57 by root, Thu Apr 19 19:24:25 2007 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.24 by root, Sat Sep 16 22:24:12 2006 UTC vs.
Revision 1.57 by root, Thu Apr 19 19:24:25 2007 UTC