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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs.
Revision 1.72 by root, Wed Apr 2 11:13:51 2008 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	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
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	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,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	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
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	#include <cassert>	24	#include <cassert>
26		25
27	#include <global.h>	26	#include <global.h>
28	#include <funcpoint.h>	27	#include <funcpoint.h>
29	#include <loader.h>	28	#include <loader.h>
30		29
31	#define USE_UNORDERED_MAP 0
32
33	#if USE_UNORDERED_MAP
34	# include <tr1/functional>	30	#include <tr1/functional>
35	# include <tr1/unordered_map>	31	#include <tr1/unordered_map>
36	#endif
37
38	int arch_cmp = 0; /* How many strcmp's */
39	int arch_search = 0; /* How many searches */
40	int arch_init; /* True if doing arch initialization */
41		32
42	/* The naming of these functions is really poor - they are all	33	/* The naming of these functions is really poor - they are all
43	* pretty much named '.._arch_...', but they may more may not	34	* pretty much named '.._arch_...', but they may more may not
44	* return archetypes. Some make the arch_to_object call, and thus	35	* return archetypes. Some make the arch_to_object call, and thus
45	* return an object. Perhaps those should be called 'archob' functions	36	* return an object. Perhaps those should be called 'archob' functions
46	* to denote they return an object derived from the archetype.	37	* to denote they return an object derived from the archetype.
47	* MSW 2003-04-29	38	* MSW 2003-04-29
48	*/	39	*/
49		40
50	#if USE_UNORDERED_MAP	41	archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
		42
51	// the hashtable	43	// the hashtable
52	typedef std::tr1::unordered_map	44	typedef std::tr1::unordered_map
53	<	45	<
54	std::size_t,	46	const char *,
55	arch_ptr,	47	arch_ptr,
56	std::tr1::hash<size_t>,	48	str_hash,
57	std::equal_to<size_t>,	49	str_equal,
58	slice_allocator< std::pair<const std::size_t, archetype *> >	50	slice_allocator< std::pair<const char *const, arch_ptr> >
59	true,
60	> HT;	51	> HT;
61		52
62	static HT ht;	53	static HT ht (5000);
63	#else	54	archvec archetypes;
64	static arch_ptr arch_table[ARCHTABLE];
65	#endif
66		55
67	/**	56	/**
68	* GROS - This function retrieves an archetype given the name that appears	57	* GROS - This function retrieves an archetype given the name that appears
69	* during the game (for example, "writing pen" instead of "stylus").	58	* during the game (for example, "writing pen" instead of "stylus").
70	* It does not use the hashtable system, but browse the whole archlist each time.	59	* It does not use the hashtable system, but browse the whole archlist each time.
76	* - the archetype found or null if nothing was found.	65	* - the archetype found or null if nothing was found.
77	*/	66	*/
78	archetype *	67	archetype *
79	find_archetype_by_object_name (const char *name)	68	find_archetype_by_object_name (const char *name)
80	{	69	{
81	archetype *at;	70	shstr_cmp name_cmp (name);
82		71
83	if (name == NULL)	72	for_all_archetypes (at)
84	return (archetype *) NULL;	73	if (at->name == name_cmp)
85
86	for (at = first_archetype; at != NULL; at = at->next)
87	{
88	if (!strcmp (at->clone.name, name))
89	return at;	74	return at;
90	}	75
91	return NULL;	76	return 0;
92	}	77	}
93		78
94	/**	79	/**
95	* This function retrieves an archetype by type and name that appears during	80	* This function retrieves an archetype by type and name that appears during
96	* the game. It is basically the same as find_archetype_by_object_name()	81	* the game. It is basically the same as find_archetype_by_object_name()
97	* except that it considers only items of the given type.	82	* except that it considers only items of the given type.
98	*/	83	*/
99	archetype *	84	archetype *
100	find_archetype_by_object_type_name (int type, const char *name)	85	find_archetype_by_object_type_name (int type, const char *name)
101	{	86	{
102	archetype *at;	87	shstr_cmp name_cmp (name);
103		88
104	if (name == NULL)	89	for_all_archetypes (at)
105	return NULL;	90	if (at->name == name_cmp && at->type == type)
106
107	for (at = first_archetype; at != NULL; at = at->next)
108	{
109	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
110	return at;	91	return at;
111	}
112		92
113	return NULL;	93	return 0;
114	}	94	}
115		95
116	/* This is a lot like the above function. Instead, we are trying to match	96	/* This is a lot like the above function. Instead, we are trying to match
117	* the arch->skill values. type is the type of object to match	97	* the arch->skill values. type is the type of object to match
118	* against (eg, to only match against skills or only skill objects for example).	98	* against (eg, to only match against skills or only skill objects for example).
119	* If type is -1, ew don't match on type.	99	* If type is -1, ew don't match on type.
120	*/	100	*/
121	object *	101	object *
122	get_archetype_by_skill_name (const char *skill, int type)	102	get_archetype_by_skill_name (const char *skill, int type)
123	{	103	{
124	archetype *at;	104	shstr_cmp skill_cmp (skill);
125		105
126	if (skill)	106	for_all_archetypes (at)
127	for (at = first_archetype; at; at = at->next)	107	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
128	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
129	return arch_to_object (at);	108	return arch_to_object (at);
130		109
131	return 0;	110	return 0;
132	}	111	}
133		112
134	/* similiar to above - this returns the first archetype	113	/* similiar to above - this returns the first archetype
…		…
139	* (eg, skills)	118	* (eg, skills)
140	*/	119	*/
141	archetype *	120	archetype *
142	get_archetype_by_type_subtype (int type, int subtype)	121	get_archetype_by_type_subtype (int type, int subtype)
143	{	122	{
144	archetype *	123	for_all_archetypes (at)
145	at;
146
147	for (at = first_archetype; at != NULL; at = at->next)
148	{
149	if (((type == -1) \|\| (type == at->clone.type)) && (subtype == -1 \|\| subtype == at->clone.subtype))	124	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
150	return at;	125	return at;
151	}	126
152	return NULL;	127	return 0;
153	}	128	}
154		129
155	/**	130	/**
156	* GROS - this returns a new object given the name that appears during the game	131	* GROS - this returns a new object given the name that appears during the game
157	* (for example, "writing pen" instead of "stylus").	132	* (for example, "writing pen" instead of "stylus").
…		…
165	* but it otherwise had a big memory leak.	140	* but it otherwise had a big memory leak.
166	*/	141	*/
167	object *	142	object *
168	get_archetype_by_object_name (const char *name)	143	get_archetype_by_object_name (const char *name)
169	{	144	{
170	archetype *at;
171	char tmpname[MAX_BUF];	145	char tmpname[MAX_BUF];
172	int i;	146	int i;
173		147
174	assign (tmpname, name);	148	assign (tmpname, name);
175		149
176	for (i = strlen (tmpname); i > 0; i--)	150	for (i = strlen (tmpname); i > 0; i--)
177	{	151	{
178	tmpname[i] = 0;	152	tmpname[i] = 0;
		153
179	at = find_archetype_by_object_name (tmpname);	154	if (archetype *at = find_archetype_by_object_name (tmpname))
180
181	if (at)
182	return arch_to_object (at);	155	return arch_to_object (at);
183	}	156	}
184		157
185	return create_singularity (name);	158	return create_singularity (name);
186	}	159	}
187		160
188	/* This is a subset of the parse_id command. Basically, name can be	161	/* This is a subset of the parse_id command. Basically, name can be
189	* a string seperated lists of things to match, with certain keywords.	162	* a string seperated lists of things to match, with certain keywords.
190	* pl is the player (only needed to set count properly)	163	* pl is the player (only needed to set count properly)
191	* op is the item we are trying to match. Calling function takes care	164	* op is the item we are trying to match. Calling function takes care
192	* of what action might need to be done and if it is valid	165	* of what action might need to be done and if it is valid
193	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	166	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
194	* value means a better match. 0 means no match.	167	* value means a better match. 0 means no match.
195	*	168	*
196	* Brief outline of the procedure:	169	* Brief outline of the procedure:
197	* We take apart the name variable into the individual components.	170	* We take apart the name variable into the individual components.
198	* cases for 'all' and unpaid are pretty obvious.	171	* cases for 'all' and unpaid are pretty obvious.
199	* Next, we check for a count (either specified in name, or in the	172	* Next, we check for a count (either specified in name, or in the
200	* player object.)	173	* player object.)
201	* If count is 1, make a quick check on the name.	174	* If count is 1, make a quick check on the name.
202	* IF count is >1, we need to make plural name. Return if match.	175	* IF count is >1, we need to make plural name. Return if match.
203	* Last, make a check on the full name.	176	* Last, make a check on the full name.
204	*/	177	*/
205	int	178	int
206	item_matched_string (object pl, object op, const char *name)	179	item_matched_string (object pl, object op, const char *name)
207	{	180	{
208	char *cp, local_name[MAX_BUF];	181	char *cp, local_name[MAX_BUF];
209	int count, retval = 0;	182	int count, retval = 0;
210		183
211	strcpy (local_name, name); /* strtok is destructive to name */	184	assign (local_name, name); /* strtok is destructive to name */
212		185
213	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	186	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
214	{	187	{
215	while (cp[0] == ' ')	188	while (cp[0] == ' ')
216	++cp; /* get rid of spaces */	189	++cp; /* get rid of spaces */
…		…
301	}	274	}
302		275
303	return 0;	276	return 0;
304	}	277	}
305		278
306	/*	279	archetype::archetype (const char *name)
307	* Initialises the internal linked list of archetypes (read from file).	280	{
308	* Then the global "empty_archetype" pointer is initialised.	281	stub = true;
309	* Then the blocksview[] array is initialised.	282	arch = this;
310	*/	283	this->archname = this->name = this->name_pl = name;
		284	}
		285
		286	archetype::~archetype ()
		287	{
		288	unlink ();
		289	}
311		290
312	void	291	void
313	init_archetypes (void)	292	archetype::link ()
314	{ /* called from add_player() and edit() */	293	{
315	if (first_archetype != NULL) /* Only do this once */	294	ht.insert (std::make_pair (archname, this));
		295
		296	if (!archetypes.contains (this))
		297	archetypes.insert (this);
		298	}
		299
		300	void
		301	archetype::unlink ()
		302	{
		303	ht.erase (archname);
		304
		305	if (archetypes.contains (this))
		306	archetypes.erase (this);
		307	}
		308
		309	/*
		310	* Finds, using the hashtable, which archetype matches the given name.
		311	* returns a pointer to the found archetype, otherwise NULL.
		312	*/
		313	archetype *
		314	archetype::find (const char *name)
		315	{
		316	if (!name)
316	return;	317	return 0;
317		318
318	arch_init = 1;	319	auto (i, ht.find (name));
319	load_archetypes ();	320
320	arch_init = 0;	321	if (i == ht.end ())
		322	return 0;
		323	else
		324	return i->second;
		325	}
		326
		327	archetype *
		328	archetype::get (const char *name)
		329	{
		330	if (!name)
		331	{
		332	LOG (llevError, "null archetype requested\n");
		333	name = "(null)";
		334	}
		335
		336	if (loading_arch && !strcmp (&loading_arch->archname, name))
		337	return loading_arch;
		338
		339	archetype *at = find (name);
		340
		341	if (!at)
		342	{
		343	at = new archetype (name);
		344	at->link ();
		345	}
		346
		347	return at;
		348	}
		349
		350	archetype *
		351	archetype::read (object_thawer &f)
		352	{
		353	assert (f.kw == KW_object);
		354
		355	std::vector<archetype *> parts;
		356
		357	coroapi::cede_to_tick ();
		358
		359	for (;;)
		360	{
		361	// the archetype might have been referenced earlier
		362	// so try to find an existing stub archetype first
		363	archetype *at = find (f.get_str ());
		364
		365	if (!at \|\| !at->stub)
		366	at = new archetype (f.get_str ());
		367
		368	f.next ();
		369
		370	#if 0
		371	// implementing it here in the server does neither allow multiple inheritence
		372	// nor does it cleanly "just override". it would allow use in map files, though,
		373	// and other resource files dynamically laoded (as opposed to being preprocessed).
		374	// not that any of this is relevant as of yet...
		375	if (f.kw == KW_inherit)
		376	{
		377	if (archetype *at = find (f.get_str ()))
		378	*op = at->clone;
		379	else
		380	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		381	&at->archname, f.get_str ());
		382
		383	f.next ();
		384	}
		385	#endif
		386
		387	loading_arch = at; // hack to tell parse_kv et al. to behave
		388	bool parse_ok = at->parse_kv (f);
		389	loading_arch = 0;
		390
		391	if (!parse_ok)
		392	goto fail;
		393
		394	loading_arch = at; // hack to tell parse_kv et al. to behave
		395	at->post_load_check ();
		396	loading_arch = 0;
		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	{
		413	auto (at, parts.begin ());
		414
		415	archetype *new_head = parts.front ();
		416	archetype *old_head = find (new_head->archname);
		417
		418	if (old_head && !old_head->is_head ())
		419	{
		420	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		421	&new_head->archname, &old_head->archname);
		422	goto fail;
		423	}
		424
		425	// check that all archetypes belong to the same old object or are new
		426	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		427	{
		428	archetype new_part = at;
		429	archetype *old_part = find (new_part->archname);
		430
		431	if (old_part && old_part->head_ () != old_head)
		432	{
		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	// deactivate existing archetype
		440	for (archetype at = old_head; at; at = (archetype )at->more)
		441	at->unlink ();
		442
		443	// assemble new chain
		444	new_head->min_x = new_head->max_x = new_head->x;
		445	new_head->min_y = new_head->max_y = new_head->y;
		446
		447	archetype *less = new_head;
		448	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		449	{
		450	archetype at = p;
		451
		452	// some flags get inherited formt he head (probably a lot more)
		453	// doing it here doesn't feel too cozy, but it allows code
		454	// to ignore head checks for these flags, which saves time
		455	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		456	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		457	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		458	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		459
		460	if (at->x < new_head->min_x) new_head->min_x = at->x;
		461	if (at->y < new_head->min_y) new_head->min_y = at->y;
		462	if (at->x > new_head->max_x) new_head->max_x = at->x;
		463	if (at->y > new_head->max_y) new_head->max_y = at->y;
		464
		465	at->head = new_head;
		466	less->more = at;
		467	less = at;
		468	}
		469
		470	// now activate it
		471	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		472	{
		473	archetype at = p;
		474	at->stub = false;
		475	at->link ();
		476	}
		477
		478	return new_head;
		479	}
		480
		481	fail:
		482	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		483	(*p)->destroy (true);
		484
		485	return 0;
		486	}
		487
		488	/*
		489	* Initialize global archtype pointers:
		490	*/
		491	void
		492	init_archetype_pointers ()
		493	{
		494	ring_arch = archetype::find ("ring");
		495	amulet_arch = archetype::find ("amulet");
		496	staff_arch = archetype::find ("staff");
		497	crown_arch = archetype::find ("crown");
321	empty_archetype = archetype::find ("empty_archetype");	498	empty_archetype = archetype::find ("empty_archetype");
322
323	/* init_blocksview();*/
324	}
325
326	/*
327	* Stores debug-information about how efficient the hashtable
328	* used for archetypes has been in the static errmsg array.
329	*/
330
331	void
332	arch_info (object *op)
333	{
334	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);
335	new_draw_info (NDI_BLACK, 0, op, errmsg);
336	}
337
338	/*
339	* Initialise the hashtable used by the archetypes.
340	*/
341
342	void
343	clear_archetable (void)
344	{
345	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));
346	}
347
348	/*
349	* An alternative way to init the hashtable which is slower, but _works_...
350	*/
351
352	void
353	init_archetable (void)
354	{
355	archetype *at;
356
357	LOG (llevDebug, " Setting up archetable...\n");
358
359	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
360	at->hash_add ();
361
362	LOG (llevDebug, "done\n");
363	}
364
365	void
366	free_all_archs (void)
367	{
368	archetype at, next;
369	int i = 0, f = 0;
370
371	for (at = first_archetype; at != NULL; at = next)
372	{
373	if (at->more)
374	next = at->more;
375	else
376	next = at->next;
377
378	delete
379	at;
380
381	i++;
382	}
383
384	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
385	}
386
387	archetype::archetype ()
388	{
389	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
390	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
391	}
392
393	archetype::~archetype ()
394	{
395	}
396
397	/*
398	* Reads/parses the archetype-file, and copies into a linked list
399	* of archetype-structures.
400	*/
401	void
402	first_arch_pass (object_thawer & fp)
403	{
404	archetype head = 0, last_more = 0;
405
406	archetype *at = new archetype;
407	at->clone.arch = first_archetype = at;
408
409	while (int i = load_object (fp, &at->clone, 0))
410	{
411	at->clone.speed_left = (float) (-0.1);
412	/* copy the body_info to the body_used - this is only really
413	* need for monsters, but doesn't hurt to do it for everything.
414	* by doing so, when a monster is created, it has good starting
415	* values for the body_used info, so when items are created
416	* for it, they can be properly equipped.
417	*/
418	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
419
420	switch (i)
421	{
422	case LL_NORMAL: /* A new archetype, just link it with the previous */
423	if (last_more != NULL)
424	last_more->next = at;
425	if (head != NULL)
426	head->next = at;
427	head = last_more = at;
428	#if 0
429	if (!op->type)
430	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
431	#endif
432	at->tail_x = 0;
433	at->tail_y = 0;
434	break;
435
436	case LL_MORE: /* Another part of the previous archetype, link it correctly */
437
438	at->head = head;
439	at->clone.head = &head->clone;
440	if (last_more != NULL)
441	{
442	last_more->more = at;
443	last_more->clone.more = &at->clone;
444	}
445	last_more = at;
446
447	/* If this multipart image is still composed of individual small
448	* images, don't set the tail_.. values. We can't use them anyways,
449	* and setting these to zero makes the map sending to the client much
450	* easier as just looking at the head, we know what to do.
451	*/
452	if (at->clone.face != head->clone.face)
453	{
454	head->tail_x = 0;
455	head->tail_y = 0;
456	}
457	else
458	{
459	if (at->clone.x > head->tail_x)
460	head->tail_x = at->clone.x;
461	if (at->clone.y > head->tail_y)
462	head->tail_y = at->clone.y;
463	}
464	break;
465
466	}
467
468	at = new archetype;
469
470	at->clone.arch = at;
471	}
472
473	delete at;
474	}
475
476	/*
477	* Reads the archetype file once more, and links all pointers between
478	* archetypes.
479	*/
480
481	void
482	second_arch_pass (object_thawer & thawer)
483	{
484	char buf[MAX_BUF], variable = buf, argument, *cp;
485	archetype at = NULL, other;
486
487	while (fgets (buf, MAX_BUF, thawer) != NULL)
488	{
489	if (*buf == '#')
490	continue;
491	if ((argument = strchr (buf, ' ')) != NULL)
492	{
493	*argument = '\0', argument++;
494	cp = argument + strlen (argument) - 1;
495	while (isspace (*cp))
496	{
497	*cp = '\0';
498	cp--;
499	}
500	}
501	if (!strcmp ("Object", variable))
502	{
503	if ((at = archetype::find (argument)) == NULL)
504	LOG (llevError, "Warning: failed to find arch %s\n", argument);
505	}
506	else if (!strcmp ("other_arch", variable))
507	{
508	if (at != NULL && at->clone.other_arch == NULL)
509	{
510	if ((other = archetype::find (argument)) == NULL)
511	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
512	else if (at != NULL)
513	at->clone.other_arch = other;
514	}
515	}
516	else if (!strcmp ("randomitems", variable))
517	{
518	if (at != NULL)
519	{
520	treasurelist *tl = find_treasurelist (argument);
521
522	if (tl == NULL)
523	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
524	else
525	at->clone.randomitems = tl;
526	}
527	}
528	}
529	}
530
531	#ifdef DEBUG
532	void
533	check_generators (void)
534	{
535	archetype *at;
536
537	for (at = first_archetype; at != NULL; at = at->next)
538	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
539	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
540	}
541	#endif
542
543	/*
544	* First initialises the archtype hash-table (init_archetable()).
545	* Reads and parses the archetype file (with the first and second-pass
546	* functions).
547	* Then initialises treasures by calling load_treasures().
548	*/
549
550	void
551	load_archetypes (void)
552	{
553	char filename[MAX_BUF];
554
555	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
556	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
557
558	{
559	object_thawer
560	thawer (filename);
561
562	clear_archetable ();
563	LOG (llevDebug, " arch-pass 1...\n");
564	first_arch_pass (thawer);
565	LOG (llevDebug, " done\n");
566	}
567
568	init_archetable ();
569	warn_archetypes = 1;
570
571	{
572	object_thawer
573	thawer (filename);
574
575	LOG (llevDebug, " loading treasure...\n");
576	load_treasures ();
577	LOG (llevDebug, " done\n");
578	LOG (llevDebug, " arch-pass 2...\n");
579	second_arch_pass (thawer);
580	LOG (llevDebug, " done\n");
581	#ifdef DEBUG
582	check_generators ();
583	#endif
584	}
585	LOG (llevDebug, " done\n");
586	}	499	}
587		500
588	/*	501	/*
589	* Creates and returns a new object which is a copy of the given archetype.	502	* Creates and returns a new object which is a copy of the given archetype.
590	* This function returns NULL on failure.	503	* This function returns NULL on failure.
591	*/	504	*/
592	object *	505	object *
593	arch_to_object (archetype *at)	506	arch_to_object (archetype *at)
594	{	507	{
595	object *op;	508	if (!at)
596
597	if (at == NULL)
598	{	509	{
599	if (warn_archetypes)
600	LOG (llevError, "Couldn't find archetype.\n");	510	LOG (llevError, "Couldn't find archetype.\n");
601
602	return NULL;	511	return 0;
603	}	512	}
604		513
605	op = at->clone.clone ();	514	object *op = at->clone ();
606	op->arch = at;	515	op->arch = at;
607	op->instantiate ();	516	op->instantiate ();
		517
608	return op;	518	return op;
		519	}
		520
		521	object *
		522	archetype::instance ()
		523	{
		524	return arch_to_object (this);
609	}	525	}
610		526
611	/*	527	/*
612	* Creates an object. This function is called by get_archetype()	528	* Creates an object. This function is called by get_archetype()
613	* if it fails to find the appropriate archetype.	529	* if it fails to find the appropriate archetype.
…		…
615	* an object, and never NULL.	531	* an object, and never NULL.
616	*/	532	*/
617	object *	533	object *
618	create_singularity (const char *name)	534	create_singularity (const char *name)
619	{	535	{
620	object *op;	536	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
		537
		538	if (!strcmp (name, "bug"))
		539	abort ();
		540
621	char buf[MAX_BUF];	541	char buf[MAX_BUF];
		542	sprintf (buf, "bug, please report (%s)", name);
622		543
623	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	544	object *op = get_archetype ("bug");
624	op = object::create ();
625	op->name = op->name_pl = buf;	545	op->name = op->name_pl = buf;
626	SET_FLAG (op, FLAG_NO_PICK);	546
627	return op;	547	return op;
628	}	548	}
629		549
630	/*	550	/*
631	* Finds which archetype matches the given name, and returns a new	551	* Finds which archetype matches the given name, and returns a new
…		…
641		561
642	return arch_to_object (at);	562	return arch_to_object (at);
643	}	563	}
644		564
645	/*	565	/*
646	* Hash-function used by the arch-hashtable.
647	*/
648
649	unsigned long
650	hasharch (const char *str, int tablesize)
651	{
652	unsigned long hash = 0;
653	unsigned int i = 0;
654	const char *p;
655
656	/* use the one-at-a-time hash function, which supposedly is
657	* better than the djb2-like one used by perl5.005, but
658	* certainly is better then the bug used here before.
659	* see http://burtleburtle.net/bob/hash/doobs.html
660	*/
661	for (p = str; i < MAXSTRING && *p; p++, i++)
662	{
663	hash += *p;
664	hash += hash << 10;
665	hash ^= hash >> 6;
666	}
667
668	hash += hash << 3;
669	hash ^= hash >> 11;
670	hash += hash << 15;
671
672	return hash % tablesize;
673	}
674
675	/*
676	* Finds, using the hashtable, which archetype matches the given name.
677	* returns a pointer to the found archetype, otherwise NULL.
678	*/
679
680	archetype *
681	archetype::find (const char *name)
682	{
683	if (!name)
684	return 0;
685
686	#if USE_UNORDERED_MAP
687	AUTODECL (i, ht.find ((size_t) name));
688
689	if (i == ht.end ())
690	return 0;
691	else
692	return i->second;
693	#endif
694
695	archetype *at;
696	unsigned long index;
697
698	index = hasharch (name, ARCHTABLE);
699	arch_search++;
700	for (;;)
701	{
702	at = arch_table[index];
703
704	if (at == NULL)
705	{
706	if (warn_archetypes)
707	LOG (llevError, "Couldn't find archetype %s\n", name);
708
709	return NULL;
710	}
711
712	arch_cmp++;
713
714	if (!strcmp ((const char *) at->name, name))
715	return at;
716
717	if (++index >= ARCHTABLE)
718	index = 0;
719	}
720	}
721
722	/*
723	* Adds an archetype to the hashtable.
724	*/
725	void
726	archetype::hash_add ()
727	{
728	#if USE_UNORDERED_MAP
729	ht.insert (std::make_pair ((size_t) (const char *) name, this));
730	#else
731
732	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
733
734	for (;;)
735	{
736	if (!arch_table[index])
737	{
738	arch_table[index] = this;
739	break;
740	}
741
742	if (++index == ARCHTABLE)
743	index = 0;
744
745	if (index == org_index)
746	fatal (ARCHTABLE_TOO_SMALL);
747	}
748	#endif
749	}
750
751	void
752	archetype::hash_del ()
753	{
754	#if USE_UNORDERED_MAP
755	# error remove this from HT
756	#else
757
758	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
759
760	for (;;)
761	{
762	if (arch_table[index] == this)
763	{
764	arch_table[index] = 0;
765	break;
766	}
767
768	if (++index == ARCHTABLE)
769	index = 0;
770
771	if (index == org_index)
772	break;
773	}
774	#endif
775	}
776
777	/*
778	* Returns the first archetype using the given type.	566	* Returns the first archetype using the given type.
779	* Used in treasure-generation.	567	* Used in treasure-generation.
780	*/	568	*/
781
782	archetype *	569	archetype *
783	type_to_archetype (int type)	570	type_to_archetype (int type)
784	{	571	{
785	archetype *at;	572	for_all_archetypes (at)
786		573	if (at->type == type && at->head_ () != at)
787	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
788	if (at->clone.type == type)
789	return at;	574	return at;
790		575
791	return 0;	576	return 0;
792	}	577	}
793		578
794	/*	579	/*
795	* Returns a new object copied from the first archetype matching	580	* Returns a new object copied from the first archetype matching
796	* the given type.	581	* the given type.
797	* Used in treasure-generation.	582	* Used in treasure-generation.
798	*/	583	*/
799
800	object *	584	object *
801	clone_arch (int type)	585	clone_arch (int type)
802	{	586	{
803	archetype *at;	587	archetype *at;
804		588
…		…
806	{	590	{
807	LOG (llevError, "Can't clone archetype %d\n", type);	591	LOG (llevError, "Can't clone archetype %d\n", type);
808	return 0;	592	return 0;
809	}	593	}
810		594
811	object *op = at->clone.clone ();	595	object *op = at->clone ();
812	op->instantiate ();	596	op->instantiate ();
813	return op;	597	return op;
814	}	598	}
815		599
816	/*	600	/*
817	* member: make instance from class	601	* member: make instance from class
818	*/	602	*/
819
820	object *	603	object *
821	object_create_arch (archetype *at)	604	object_create_arch (archetype *at)
822	{	605	{
823	object op, prev = 0, *head = 0;	606	object op, prev = 0, *head = 0;
824		607
825	while (at)	608	while (at)
826	{	609	{
827	op = arch_to_object (at);	610	op = arch_to_object (at);
		611
828	op->x = at->clone.x;	612	op->x = at->x;
829	op->y = at->clone.y;	613	op->y = at->y;
830		614
831	if (head)	615	if (head)
832	op->head = head, prev->more = op;	616	op->head = head, prev->more = op;
833		617
834	if (!head)	618	if (!head)
835	head = op;	619	head = op;
836		620
837	prev = op;	621	prev = op;
838	at = at->more;	622	at = (archetype *)at->more;
839	}	623	}
840		624
841	return (head);	625	return head;
842	}	626	}
843		627

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs. Revision 1.72 by root, Wed Apr 2 11:13:51 2008 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs.
Revision 1.72 by root, Wed Apr 2 11:13:51 2008 UTC