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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.19 by root, Thu Sep 14 18:13:01 2006 UTC vs.
Revision 1.52 by root, Tue Apr 17 10:06:32 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-devel@real-time.com	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 *	71	shstr_cmp name_cmp (name);
81	at;
82		72
83	if (name == NULL)
84	return (archetype *) NULL;
85
86	for (at = first_archetype; at != NULL; at = at->next)	73	for (archetype *at = first_archetype; at; at = at->next)
87	{	74	if (at->clone.name == name_cmp)
88	if (!strcmp (at->clone.name, name))
89	return at;	75	return at;
90	}	76
91	return NULL;	77	return 0;
92	}	78	}
93		79
94	/**	80	/**
95	* 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
96	* 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()
97	* except that it considers only items of the given type.	83	* except that it considers only items of the given type.
98	*/	84	*/
99	archetype *	85	archetype *
100	find_archetype_by_object_type_name (int type, const char *name)	86	find_archetype_by_object_type_name (int type, const char *name)
101	{	87	{
102	archetype *	88	shstr_cmp name_cmp (name);
103	at;
104		89
105	if (name == NULL)
106	return NULL;
107
108	for (at = first_archetype; at != NULL; at = at->next)	90	for (archetype *at = first_archetype; at; at = at->next)
109	{	91	if (at->clone.name == name_cmp && at->clone.type == type)
110	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
111	return at;	92	return at;
112	}
113		93
114	return NULL;	94	return 0;
115	}	95	}
116		96
117	/* 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
118	* 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
119	* 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).
120	* If type is -1, ew don't match on type.	100	* If type is -1, ew don't match on type.
121	*/	101	*/
122	object *	102	object *
123	get_archetype_by_skill_name (const char *skill, int type)	103	get_archetype_by_skill_name (const char *skill, int type)
124	{	104	{
125	archetype *	105	shstr_cmp skill_cmp (skill);
126	at;
127		106
128	if (skill == NULL)
129	return NULL;
130
131	for (at = first_archetype; at != NULL; at = at->next)	107	for (archetype *at = first_archetype; at; at = at->next)
132	{	108	if (at->clone.skill == skill_cmp && (type == -1 \|\| type == at->clone.type))
133	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
134	return arch_to_object (at);	109	return arch_to_object (at);
135	}	110
136	return NULL;	111	return 0;
137	}	112	}
138		113
139	/* similiar to above - this returns the first archetype	114	/* similiar to above - this returns the first archetype
140	* that matches both the type and subtype. type and subtype	115	* that matches both the type and subtype. type and subtype
141	* 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
…		…
144	* (eg, skills)	119	* (eg, skills)
145	*/	120	*/
146	archetype *	121	archetype *
147	get_archetype_by_type_subtype (int type, int subtype)	122	get_archetype_by_type_subtype (int type, int subtype)
148	{	123	{
149	archetype *
150	at;
151
152	for (at = first_archetype; at != NULL; at = at->next)	124	for (archetype *at = first_archetype; at; at = at->next)
153	{
154	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))
155	return at;	126	return at;
156	}	127
157	return NULL;	128	return 0;
158	}	129	}
159		130
160	/**	131	/**
161	* 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
162	* (for example, "writing pen" instead of "stylus").	133	* (for example, "writing pen" instead of "stylus").
…		…
170	* but it otherwise had a big memory leak.	141	* but it otherwise had a big memory leak.
171	*/	142	*/
172	object *	143	object *
173	get_archetype_by_object_name (const char *name)	144	get_archetype_by_object_name (const char *name)
174	{	145	{
175	archetype *at;
176	char tmpname[MAX_BUF];	146	char tmpname[MAX_BUF];
177	int i;	147	int i;
178		148
179	assign (tmpname, name);	149	assign (tmpname, name);
180		150
181	for (i = strlen (tmpname); i > 0; i--)	151	for (i = strlen (tmpname); i > 0; i--)
182	{	152	{
183	tmpname[i] = 0;	153	tmpname[i] = 0;
		154
184	at = find_archetype_by_object_name (tmpname);	155	if (archetype *at = find_archetype_by_object_name (tmpname))
185
186	if (at != NULL)
187	{
188	return arch_to_object (at);	156	return arch_to_object (at);
189	}
190	}	157	}
191		158
192	return create_singularity (name);	159	return create_singularity (name);
193	}	160	}
194		161
…		…
210	* Last, make a check on the full name.	177	* Last, make a check on the full name.
211	*/	178	*/
212	int	179	int
213	item_matched_string (object pl, object op, const char *name)	180	item_matched_string (object pl, object op, const char *name)
214	{	181	{
215	char *
216	cp,
217	local_name[MAX_BUF];	182	char *cp, local_name[MAX_BUF];
218	int	183	int count, retval = 0;
219	count,
220	retval = 0;
221		184
222	strcpy (local_name, name); /* strtok is destructive to name */	185	assign (local_name, name); /* strtok is destructive to name */
223		186
224	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	187	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
225	{	188	{
226	while (cp[0] == ' ')	189	while (cp[0] == ' ')
227	++cp; /* get rid of spaces */	190	++cp; /* get rid of spaces */
…		…
277	retval = 15;	240	retval = 15;
278	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	241	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
279	retval = 14;	242	retval = 14;
280	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	243	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
281	retval = 14;	244	retval = 14;
282
283	/* Do substring checks, so things like 'Str+1' will match.	245	/* Do substring checks, so things like 'Str+1' will match.
284	* retval of these should perhaps be lower - they are lower	246	* retval of these should perhaps be lower - they are lower
285	* then the specific strcasecmp aboves, but still higher than	247	* then the specific strcasecmp aboves, but still higher than
286	* some other match criteria.	248	* some other match criteria.
287	*/	249	*/
…		…
289	retval = 12;	251	retval = 12;
290	else if (strstr (query_base_name (op, 0), cp))	252	else if (strstr (query_base_name (op, 0), cp))
291	retval = 12;	253	retval = 12;
292	else if (strstr (query_short_name (op), cp))	254	else if (strstr (query_short_name (op), cp))
293	retval = 12;	255	retval = 12;
294
295	/* Check against plural/non plural based on count. */	256	/* Check against plural/non plural based on count. */
296	else if (count > 1 && !strcasecmp (cp, op->name_pl))	257	else if (count > 1 && !strcasecmp (cp, op->name_pl))
297	{
298	retval = 6;	258	retval = 6;
299	}
300	else if (count == 1 && !strcasecmp (op->name, cp))	259	else if (count == 1 && !strcasecmp (op->name, cp))
301	{
302	retval = 6;	260	retval = 6;
303	}
304	/* base name matched - not bad */	261	/* base name matched - not bad */
305	else if (strcasecmp (cp, op->name) == 0 && !count)	262	else if (strcasecmp (cp, op->name) == 0 && !count)
306	retval = 4;	263	retval = 4;
307	/* Check for partial custom name, but give a real low priority */	264	/* Check for partial custom name, but give a real low priority */
308	else if (op->custom_name && strstr (op->custom_name, cp))	265	else if (op->custom_name && strstr (op->custom_name, cp))
…		…
310		267
311	if (retval)	268	if (retval)
312	{	269	{
313	if (pl->type == PLAYER)	270	if (pl->type == PLAYER)
314	pl->contr->count = count;	271	pl->contr->count = count;
		272
315	return retval;	273	return retval;
316	}	274	}
317	}	275	}
		276
318	return 0;	277	return 0;
319	}	278	}
320		279
321	/*	280	archetype::archetype ()
322	* Initialises the internal linked list of archetypes (read from file).	281	{
323	* Then the global "empty_archetype" pointer is initialised.	282	clone.arch = this;
324	* Then the blocksview[] array is initialised.
325	*/
326		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
327	void	310	void
328	init_archetypes (void)	311	overwrite (archetype at, object op)
329	{ /* called from add_player() and edit() */
330	if (first_archetype != NULL) /* Only do this once */
331	return;
332	arch_init = 1;
333	load_archetypes ();
334	arch_init = 0;
335	empty_archetype = find_archetype ("empty_archetype");
336
337	/* init_blocksview();*/
338	}
339
340	/*
341	* Stores debug-information about how efficient the hashtable
342	* used for archetypes has been in the static errmsg array.
343	*/
344
345	void
346	arch_info (object *op)
347	{	312	{
348	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	313	at->clone = *op;
349	new_draw_info (NDI_BLACK, 0, op, errmsg);	314
350	}	315	at->clone.arch = at;
		316	at->clone.inv = op->inv; op->inv = 0;
351		317
352	/*	318	op->destroy ();
353	* Initialise the hashtable used by the archetypes.
354	*/
355
356	void
357	clear_archetable (void)
358	{
359	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));
360	}	319	}
361		320
362	/*	321	bool
363	* An alternative way to init the hashtable which is slower, but _works_...	322	archetype::load (object_thawer &f)
364	*/
365
366	void
367	init_archetable (void)
368	{	323	{
369	archetype *	324	assert (f.kw == KW_object);
370	at;
371		325
372	LOG (llevDebug, " Setting up archetable...\n");	326	typedef std::pair<archetype , object > part;
		327	std::vector<part> parts;
373		328
374	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)	329	coroapi::cede_to_tick_every (100);
375	add_arch (at);
376		330
377	LOG (llevDebug, "done\n");	331	for (;;)
378	}	332	{
		333	archetype *at = get (f.get_str ());
		334	object *op = object::create ();
379		335
380	/*	336	if (!op->parse_kv (f))
381	* Dumps an archetype to debug-level output.	337	goto fail;
382	*/
383		338
384	void	339	parts.push_back (std::make_pair (at, op));
385	dump_arch (archetype *at)
386	{
387	dump_object (&at->clone);
388	}
389		340
390	/*	341	if (f.kw != KW_more)
391	* Dumps _all_ archetypes to debug-level output.	342	break;
392	* If you run crossfire with debug, and enter DM-mode, you can trigger
393	* this with the O key.
394	*/
395		343
396	void	344	f.next ();
397	dump_all_archetypes (void)	345	assert (f.kw == KW_object);
398	{	346	}
399	archetype *
400	at;
401		347
402	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)	348	{
		349	archetype *head = parts.front ().first;
		350
		351	// check that all archetypes belong to the same object or are heads
		352	for (auto (p, parts.begin ()); p != parts.end (); ++p)
403	{	353	{
404	dump_arch (at);	354	archetype *at = p->first;
405	fprintf (logfile, "%s\n", errmsg);	355
		356	if (at->head != head && at->head)
		357	{
		358	LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name);
		359	goto fail;
		360	}
		361
		362	if (at->next && at != head)
		363	{
		364	LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name);
		365	goto fail;
		366	}
406	}	367	}
407	}
408		368
409	void	369	// sever chain of existing head object
410	free_all_archs (void)	370	for (archetype more, at = head; at; at = more)
411	{
412	archetype *
413	at, *
414	next;
415	int
416	i = 0, f = 0;
417
418	for (at = first_archetype; at != NULL; at = next)
419	{	371	{
420	if (at->more)
421	next = at->more;	372	more = at->more;
422	else
423	next = at->next;
424		373
425	delete	374	at->head = 0;
426	at;	375	at->more = 0;
427
428	i++;
429	}	376	}
430	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
431	}
432		377
433	archetype::archetype ()	378	// replace/update head
434	{	379	overwrite (head, parts.front ().second);
435	clear_object (&clone); /* to initial state other also */	380	head->tail_x = 0;
436	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */	381	head->tail_y = 0;
437	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
438	}
439		382
440	archetype::~archetype ()	383	// link into list of heads, if not already there
441	{	384	if (!head->linked)
		385	{
		386	head->linked = true;
		387	head->next = first_archetype;
		388	first_archetype = head;
		389	}
		390
		391	// reassemble new chain
		392	archetype *prev = head;
		393	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		394	{
		395	archetype *at = p->first;
		396	overwrite (at, p->second);
		397
		398	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
		399	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
		400
		401	at->head = head;
		402	at->clone.head = &head->clone;
		403	prev->more = at;
		404	prev->clone.more = &at->clone;
		405
		406	prev = at;
		407	}
		408	}
		409
		410	return true;
		411
		412	fail:
		413	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		414	p->second->destroy (true);
		415
		416	return false;
442	}	417	}
443		418
444	/*	419	/*
445	* Reads/parses the archetype-file, and copies into a linked list	420	* Reads/parses the archetype-file, and copies into a linked list
446	* of archetype-structures.	421	* of archetype-structures.
447	*/	422	*/
448	void	423	static bool
449	first_arch_pass (object_thawer & fp)	424	load_archetypes (object_thawer &f)
450	{	425	{
451	archetype *	426	for (;;)
452	at, *
453	head = NULL, *last_more = NULL;
454
455	at->clone.arch = first_archetype = at = new archetype;
456
457	while (int i = load_object (fp, &at->clone, 0))
458	{	427	{
459	at->clone.speed_left = (float) (-0.1);
460	/* copy the body_info to the body_used - this is only really
461	* need for monsters, but doesn't hurt to do it for everything.
462	* by doing so, when a monster is created, it has good starting
463	* values for the body_used info, so when items are created
464	* for it, they can be properly equipped.
465	*/
466	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
467
468	switch (i)	428	switch (f.kw)
469	{	429	{
470	case LL_NORMAL: /* A new archetype, just link it with the previous */	430	case KW_object:
471	if (last_more != NULL)	431	loading_arch = true;
472	last_more->next = at;	432	if (!archetype::load (f))
473	if (head != NULL)
474	head->next = at;
475	head = last_more = at;
476	#if 0
477	if (!op->type)
478	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
479	#endif
480	at->tail_x = 0;
481	at->tail_y = 0;
482	break;
483
484	case LL_MORE: /* Another part of the previous archetype, link it correctly */
485
486	at->head = head;
487	at->clone.head = &head->clone;
488	if (last_more != NULL)
489	{	433	{
490	last_more->more = at;	434	loading_arch = false;
491	last_more->clone.more = &at->clone;	435	return false;
492	}	436	}
493	last_more = at;
494		437
495	/* If this multipart image is still composed of individual small	438	loading_arch = false;
496	* images, don't set the tail_.. values. We can't use them anyways,	439	continue;
497	* and setting these to zero makes the map sending to the client much	440
498	* easier as just looking at the head, we know what to do.	441	case KW_EOF:
499	*/	442	return true;
500	if (at->clone.face != head->clone.face)	443
501	{	444	default:
502	head->tail_x = 0;	445	if (!f.parse_error ("archetypes file"))
503	head->tail_y = 0;
504	}
505	else	446	return false;
506	{
507	if (at->clone.x > head->tail_x)
508	head->tail_x = at->clone.x;
509	if (at->clone.y > head->tail_y)
510	head->tail_y = at->clone.y;
511	}
512	break;
513
514	}	447	}
515		448
516	at = new archetype;	449	f.next ();
517
518	at->clone.arch = at;
519	}
520
521	delete at;
522	}
523
524	/*
525	* Reads the archetype file once more, and links all pointers between
526	* archetypes.
527	*/
528
529	void
530	second_arch_pass (object_thawer & thawer)
531	{
532	char
533	buf[MAX_BUF], *
534	variable = buf, argument, cp;
535	archetype *
536	at = NULL, *other;
537
538	while (fgets (buf, MAX_BUF, thawer) != NULL)
539	{	450	}
540	if (*buf == '#')
541	continue;
542	if ((argument = strchr (buf, ' ')) != NULL)
543	{
544	*argument = '\0', argument++;
545	cp = argument + strlen (argument) - 1;
546	while (isspace (*cp))
547	{
548	*cp = '\0';
549	cp--;
550	}
551	}
552	if (!strcmp ("Object", variable))
553	{
554	if ((at = find_archetype (argument)) == NULL)
555	LOG (llevError, "Warning: failed to find arch %s\n", argument);
556	}
557	else if (!strcmp ("other_arch", variable))
558	{
559	if (at != NULL && at->clone.other_arch == NULL)
560	{
561	if ((other = find_archetype (argument)) == NULL)
562	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
563	else if (at != NULL)
564	at->clone.other_arch = other;
565	}
566	}
567	else if (!strcmp ("randomitems", variable))
568	{
569	if (at != NULL)
570	{
571	treasurelist *
572	tl = find_treasurelist (argument);
573
574	if (tl == NULL)
575	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
576	else
577	at->clone.randomitems = tl;
578	}
579	}
580	}
581	}	451	}
582
583	#ifdef DEBUG
584	void
585	check_generators (void)
586	{
587	archetype *
588	at;
589
590	for (at = first_archetype; at != NULL; at = at->next)
591	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
592	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
593	}
594	#endif
595		452
596	/*	453	/*
597	* First initialises the archtype hash-table (init_archetable()).	454	* First initialises the archtype hash-table (init_archetable()).
598	* Reads and parses the archetype file (with the first and second-pass	455	* Reads and parses the archetype file (with the first and second-pass
599	* functions).	456	* functions).
600	* Then initialises treasures by calling load_treasures().
601	*/	457	*/
602		458	bool
603	void	459	load_archetype_file (const char *filename)
604	load_archetypes (void)
605	{	460	{
606	char
607	filename[MAX_BUF];
608
609	#if TIME_ARCH_LOAD
610	struct timeval
611	tv1,
612	tv2;
613	#endif
614
615	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
616	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
617
618	{
619	object_thawer
620	thawer (filename);	461	object_thawer f (filename);
621		462
622	clear_archetable ();	463	f.next ();
623	LOG (llevDebug, " arch-pass 1...\n");
624	first_arch_pass (thawer);
625	LOG (llevDebug, " done\n");
626	}
627		464
628	init_archetable ();	465	if (!load_archetypes (f))
		466	return false;
		467
629	warn_archetypes = 1;	468	warn_archetypes = 1;
630		469
631	{	470	empty_archetype = archetype::find ("empty_archetype");
632	object_thawer	471	if (!empty_archetype)
633	thawer (filename);	472	return false;
634		473
635	LOG (llevDebug, " loading treasure...\n");	474	return true;
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	}	475	}
646		476
647	/*	477	/*
648	* Creates and returns a new object which is a copy of the given archetype.	478	* Creates and returns a new object which is a copy of the given archetype.
649	* This function returns NULL on failure.	479	* This function returns NULL on failure.
650	*/	480	*/
651
652	object *	481	object *
653	arch_to_object (archetype *at)	482	arch_to_object (archetype *at)
654	{	483	{
655	object *	484	if (!at)
656	op;
657
658	if (at == NULL)
659	{	485	{
660	if (warn_archetypes)	486	if (warn_archetypes)
661	LOG (llevError, "Couldn't find archetype.\n");	487	LOG (llevError, "Couldn't find archetype.\n");
662		488
663	return NULL;	489	return NULL;
664	}	490	}
665		491
666	op = get_object ();	492	object *op = at->clone.clone ();
667	copy_object (&at->clone, op);
668	op->arch = at;	493	op->arch = at;
669	op->instantiate ();	494	op->instantiate ();
670	return op;	495	return op;
671	}	496	}
672		497
…		…
674	* Creates an object. This function is called by get_archetype()	499	* Creates an object. This function is called by get_archetype()
675	* if it fails to find the appropriate archetype.	500	* if it fails to find the appropriate archetype.
676	* Thus get_archetype() will be guaranteed to always return	501	* Thus get_archetype() will be guaranteed to always return
677	* an object, and never NULL.	502	* an object, and never NULL.
678	*/	503	*/
679
680	object *	504	object *
681	create_singularity (const char *name)	505	create_singularity (const char *name)
682	{	506	{
683	object *	507	object *op;
684	op;
685	char
686	buf[MAX_BUF];	508	char buf[MAX_BUF];
687		509
688	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	510	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);
689	op = get_object ();	511	op = object::create ();
690	op->name = op->name_pl = buf;	512	op->name = op->name_pl = buf;
691	SET_FLAG (op, FLAG_NO_PICK);	513	SET_FLAG (op, FLAG_NO_PICK);
692	return op;	514	return op;
693	}	515	}
694		516
695	/*	517	/*
696	* Finds which archetype matches the given name, and returns a new	518	* Finds which archetype matches the given name, and returns a new
697	* object containing a copy of the archetype.	519	* object containing a copy of the archetype.
698	*/	520	*/
699
700	object *	521	object *
701	get_archetype (const char *name)	522	get_archetype (const char *name)
702	{	523	{
703	archetype *	524	archetype *at = archetype::find (name);
704	at;
705		525
706	at = find_archetype (name);	526	if (!at)
707	if (at == NULL)
708	return create_singularity (name);	527	return create_singularity (name);
709		528
710	return arch_to_object (at);	529	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	}	530	}
745		531
746	/*	532	/*
747	* Finds, using the hashtable, which archetype matches the given name.	533	* Finds, using the hashtable, which archetype matches the given name.
748	* returns a pointer to the found archetype, otherwise NULL.	534	* returns a pointer to the found archetype, otherwise NULL.
749	*/	535	*/
750
751	archetype *	536	archetype *
752	find_archetype (const char *name)	537	archetype::find (const char *name)
753	{	538	{
754	#if USE_UNORDERED_MAP
755	name = shstr::find (name);
756
757	if (!name)	539	if (!name)
758	return 0;	540	return 0;
759		541
760	AUTODECL (i, ht.find ((size_t) name));	542	auto (i, ht.find (name));
761		543
762	if (i == ht.end ())	544	if (i == ht.end ())
763	return 0;	545	return 0;
764	else	546	else
765	return i->second;	547	return i->second;
766	#endif	548	}
767		549
768	archetype *	550	archetype *
769	at;	551	archetype::get (const char *name)
770	unsigned long	552	{
771	index;	553	archetype *at = find (name);
772		554
773	if (name == NULL)	555	if (!at)
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	}	556	{
		557	archetypes.push_back (at = new archetype);
		558	at->name = name;
		559	at->hash_add ();
		560	}
		561
		562	return at;
793	}	563	}
794		564
795	/*	565	/*
796	* Adds an archetype to the hashtable.	566	* Adds an archetype to the hashtable.
797	*/	567	*/
798		568	void
799	static void	569	archetype::hash_add ()
800	add_arch (archetype *at)
801	{	570	{
802	#if USE_UNORDERED_MAP	571	ht.insert (std::make_pair (name, this));
803	ht.insert (std::make_pair ((size_t) (const char *) at->name, at));	572	}
804	#endif
805		573
806	int	574	void
807	index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;	575	archetype::hash_del ()
808		576	{
809	for (;;)	577	ht.erase (name);
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	}	578	}
824		579
825	/*	580	/*
826	* Returns the first archetype using the given type.	581	* Returns the first archetype using the given type.
827	* Used in treasure-generation.	582	* Used in treasure-generation.
828	*/	583	*/
829
830	archetype *	584	archetype *
831	type_to_archetype (int type)	585	type_to_archetype (int type)
832	{	586	{
833	archetype *
834	at;
835
836	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)	587	for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
837	if (at->clone.type == type)	588	if (at->clone.type == type)
838	return at;	589	return at;
		590
839	return NULL;	591	return 0;
840	}	592	}
841		593
842	/*	594	/*
843	* Returns a new object copied from the first archetype matching	595	* Returns a new object copied from the first archetype matching
844	* the given type.	596	* the given type.
845	* Used in treasure-generation.	597	* Used in treasure-generation.
846	*/	598	*/
847
848	object *	599	object *
849	clone_arch (int type)	600	clone_arch (int type)
850	{	601	{
851	archetype *	602	archetype *at;
852	at;
853	object *
854	op = get_object ();
855		603
856	if ((at = type_to_archetype (type)) == NULL)	604	if ((at = type_to_archetype (type)) == NULL)
857	{	605	{
858	LOG (llevError, "Can't clone archetype %d\n", type);	606	LOG (llevError, "Can't clone archetype %d\n", type);
859	free_object (op);
860	return NULL;	607	return 0;
861	}	608	}
862	copy_object (&at->clone, op);	609
		610	object *op = at->clone.clone ();
863	op->instantiate ();	611	op->instantiate ();
864	return op;	612	return op;
865	}	613	}
866		614
867	/*	615	/*
…		…
869	*/	617	*/
870		618
871	object *	619	object *
872	object_create_arch (archetype *at)	620	object_create_arch (archetype *at)
873	{	621	{
874	object *	622	object op, prev = 0, *head = 0;
875	op, *
876	prev = NULL, *head = NULL;
877		623
878	while (at)	624	while (at)
879	{	625	{
880	op = arch_to_object (at);	626	op = arch_to_object (at);
881	op->x = at->clone.x;	627	op->x = at->clone.x;
882	op->y = at->clone.y;	628	op->y = at->clone.y;
		629
883	if (head)	630	if (head)
884	op->head = head, prev->more = op;	631	op->head = head, prev->more = op;
		632
885	if (!head)	633	if (!head)
886	head = op;	634	head = op;
		635
887	prev = op;	636	prev = op;
888	at = at->more;	637	at = at->more;
889	}	638	}
		639
890	return (head);	640	return (head);
891	}	641	}
892		642
893	/* end of arch.c */

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.19 by root, Thu Sep 14 18:13:01 2006 UTC vs. Revision 1.52 by root, Tue Apr 17 10:06:32 2007 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.19 by root, Thu Sep 14 18:13:01 2006 UTC vs.
Revision 1.52 by root, Tue Apr 17 10:06:32 2007 UTC