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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.35 by root, Wed Jan 3 20:32:13 2007 UTC vs.
Revision 1.89 by root, Mon Oct 12 14:00:57 2009 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* 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 Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <cassert>	25	#include <cassert>
25		26
26	#include <global.h>	27	#include <global.h>
27	#include <funcpoint.h>
28	#include <loader.h>	28	#include <loader.h>
29		29
30	#define USE_UNORDERED_MAP 0
31
32	#if USE_UNORDERED_MAP
33	# include <tr1/functional>	30	#include <tr1/functional>
34	# include <tr1/unordered_map>	31	#include <tr1/unordered_map>
35	#endif
36		32
37	int arch_cmp = 0; /* How many strcmp's */	33	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
38	int arch_search = 0; /* How many searches */	34	arch_ptr archetype::empty;
39	int arch_init; /* True if doing arch initialization */
40		35
41	/* The naming of these functions is really poor - they are all
42	* pretty much named '.._arch_...', but they may more may not
43	* return archetypes. Some make the arch_to_object call, and thus
44	* return an object. Perhaps those should be called 'archob' functions
45	* to denote they return an object derived from the archetype.
46	* MSW 2003-04-29
47	*/
48
49	#if USE_UNORDERED_MAP
50	// the hashtable	36	// the hashtable
51	typedef std::tr1::unordered_map	37	typedef std::tr1::unordered_map
52	<	38	<
53	std::size_t,	39	const char *,
54	arch_ptr,	40	arch_ptr,
55	std::tr1::hash<size_t>,	41	str_hash,
56	std::equal_to<size_t>,	42	str_equal,
57	slice_allocator< std::pair<const std::size_t, archetype *> >	43	slice_allocator< std::pair<const char *const, arch_ptr> >
58	true,
59	> HT;	44	> HT;
60		45
61	static HT ht;	46	static HT ht (10000);
62	#else	47	archvec archetypes;
63	static arch_ptr arch_table[ARCHTABLE];	48	static unordered_vector<archetype *> allarch;
64	#endif	49	static int dirtycnt;
		50
		51	// the vector of other_arch references to be resolved
		52	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		53	// the vector of loaded but not yet committed archetypes
		54	static std::vector<archetype *> postponed_arch;
65		55
66	/**	56	/**
67	* GROS - This function retrieves an archetype given the name that appears	57	* GROS - This function retrieves an archetype given the name that appears
68	* during the game (for example, "writing pen" instead of "stylus").	58	* 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.	59	* It does not use the hashtable system, but browse the whole archlist each time.
75	* - the archetype found or null if nothing was found.	65	* - the archetype found or null if nothing was found.
76	*/	66	*/
77	archetype *	67	archetype *
78	find_archetype_by_object_name (const char *name)	68	find_archetype_by_object_name (const char *name)
79	{	69	{
80	archetype *at;	70	shstr_cmp name_cmp (name);
81		71
82	if (name == NULL)	72	for_all_archetypes (at)
83	return (archetype *) NULL;	73	if (at->name == name_cmp)
84
85	for (at = first_archetype; at != NULL; at = at->next)
86	{
87	if (!strcmp (at->clone.name, name))
88	return at;	74	return at;
89	}	75
90	return NULL;	76	return 0;
91	}	77	}
92		78
93	/**	79	/**
94	* 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
95	* 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()
96	* except that it considers only items of the given type.	82	* except that it considers only items of the given type.
97	*/	83	*/
98	archetype *	84	archetype *
99	find_archetype_by_object_type_name (int type, const char *name)	85	find_archetype_by_object_type_name (int type, const char *name)
100	{	86	{
101	archetype *at;	87	shstr_cmp name_cmp (name);
102		88
103	if (name == NULL)	89	for_all_archetypes (at)
104	return NULL;	90	if (at->name == name_cmp && at->type == type)
105
106	for (at = first_archetype; at != NULL; at = at->next)
107	{
108	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
109	return at;	91	return at;
110	}
111		92
112	return NULL;	93	return 0;
113	}	94	}
114		95
115	/* 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
116	* 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
117	* 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).
118	* If type is -1, ew don't match on type.	99	* If type is -1, ew don't match on type.
119	*/	100	*/
120	object *	101	object *
121	get_archetype_by_skill_name (const char *skill, int type)	102	get_archetype_by_skill_name (const char *skill, int type)
122	{	103	{
123	archetype *at;	104	shstr_cmp skill_cmp (skill);
124		105
125	if (skill)	106	for_all_archetypes (at)
126	for (at = first_archetype; at; at = at->next)	107	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
127	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))	108	return at->instance ();
128	return arch_to_object (at);
129		109
130	return 0;	110	return 0;
131	}	111	}
132		112
133	/* similiar to above - this returns the first archetype	113	/* similiar to above - this returns the first archetype
…		…
138	* (eg, skills)	118	* (eg, skills)
139	*/	119	*/
140	archetype *	120	archetype *
141	get_archetype_by_type_subtype (int type, int subtype)	121	get_archetype_by_type_subtype (int type, int subtype)
142	{	122	{
143	archetype *	123	for_all_archetypes (at)
144	at;
145
146	for (at = first_archetype; at != NULL; at = at->next)
147	{
148	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))
149	return at;	125	return at;
150	}	126
151	return NULL;	127	return 0;
152	}	128	}
153		129
154	/**	130	/**
155	* 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
156	* (for example, "writing pen" instead of "stylus").	132	* (for example, "writing pen" instead of "stylus").
…		…
158	* - name: The name we're searching for (ex: "writing pen");	134	* - name: The name we're searching for (ex: "writing pen");
159	* Return value:	135	* Return value:
160	* - a corresponding object if found; a singularity object if not found.	136	* - a corresponding object if found; a singularity object if not found.
161	* Note by MSW - it appears that it takes the full name and keeps	137	* Note by MSW - it appears that it takes the full name and keeps
162	* shortening it until it finds a match. I re-wrote this so that it	138	* shortening it until it finds a match. I re-wrote this so that it
163	* doesn't malloc it each time - not that this function is used much,	139	* doesn't allocate it each time - not that this function is used much,
164	* but it otherwise had a big memory leak.	140	* but it otherwise had a big memory leak.
165	*/	141	*/
166	object *	142	object *
167	get_archetype_by_object_name (const char *name)	143	get_archetype_by_object_name (const char *name)
168	{	144	{
169	archetype *at;
170	char tmpname[MAX_BUF];	145	char tmpname[MAX_BUF];
171	int i;	146	int i;
172		147
173	assign (tmpname, name);	148	assign (tmpname, name);
174		149
175	for (i = strlen (tmpname); i > 0; i--)	150	for (i = strlen (tmpname); i > 0; i--)
176	{	151	{
177	tmpname[i] = 0;	152	tmpname[i] = 0;
		153
178	at = find_archetype_by_object_name (tmpname);	154	if (archetype *at = find_archetype_by_object_name (tmpname))
179		155	return at->instance ();
180	if (at)
181	return arch_to_object (at);
182	}	156	}
183		157
184	return create_singularity (name);	158	return create_singularity (name);
185	}	159	}
186		160
187	/* 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
188	* a string seperated lists of things to match, with certain keywords.	162	* a string seperated lists of things to match, with certain keywords.
189	* pl is the player (only needed to set count properly)	163	* pl is the player (only needed to set count properly)
190	* 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
191	* 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
192	* (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
193	* value means a better match. 0 means no match.	167	* value means a better match. 0 means no match.
194	*	168	*
195	* Brief outline of the procedure:	169	* Brief outline of the procedure:
196	* We take apart the name variable into the individual components.	170	* We take apart the name variable into the individual components.
197	* cases for 'all' and unpaid are pretty obvious.	171	* cases for 'all' and unpaid are pretty obvious.
198	* 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
199	* player object.)	173	* player object.)
200	* If count is 1, make a quick check on the name.	174	* If count is 1, make a quick check on the name.
201	* 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.
202	* Last, make a check on the full name.	176	* Last, make a check on the full name.
203	*/	177	*/
204	int	178	int
205	item_matched_string (object pl, object op, const char *name)	179	item_matched_string (object pl, object op, const char *name)
206	{	180	{
207	char *cp, local_name[MAX_BUF];	181	char *cp, local_name[MAX_BUF];
208	int count, retval = 0;	182	int count, retval = 0;
209		183
210	strcpy (local_name, name); /* strtok is destructive to name */	184	assign (local_name, name); /* strtok is destructive to name */
211		185
212	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	186	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
213	{	187	{
214	while (cp[0] == ' ')	188	while (cp[0] == ' ')
215	++cp; /* get rid of spaces */	189	++cp; /* get rid of spaces */
…		…
285	retval = 6;	259	retval = 6;
286	/* base name matched - not bad */	260	/* base name matched - not bad */
287	else if (strcasecmp (cp, op->name) == 0 && !count)	261	else if (strcasecmp (cp, op->name) == 0 && !count)
288	retval = 4;	262	retval = 4;
289	/* Check for partial custom name, but give a real low priority */	263	/* Check for partial custom name, but give a real low priority */
290	else if (op->custom_name && strstr (op->custom_name, cp))	264	else if (op->custom_name.contains (cp))
291	retval = 3;	265	retval = 3;
292		266
293	if (retval)	267	if (retval)
294	{	268	{
295	if (pl->type == PLAYER)	269	if (pl->type == PLAYER)
…		…
300	}	274	}
301		275
302	return 0;	276	return 0;
303	}	277	}
304		278
		279	archetype::archetype (const char *name)
		280	{
		281	arch = this;
		282	this->archname = this->name = this->name_pl = name;
		283	}
		284
		285	archetype::~archetype ()
		286	{
		287	unlink ();
		288	}
		289
		290	void
		291	archetype::link ()
		292	{
		293	if (!archetypes.contains (this))
		294	{
		295	archetypes.insert (this);
		296	ht.insert (std::make_pair (archname, this));
		297	}
		298	}
		299
		300	void
		301	archetype::unlink ()
		302	{
		303	if (archetypes.contains (this))
		304	{
		305	archetypes.erase (this);
		306	ht.erase (archname);
		307	}
		308	}
		309
305	/*	310	/*
306	* Initialises the internal linked list of archetypes (read from file).	311	* Finds, using the hashtable, which archetype matches the given name.
307	* Then the global "empty_archetype" pointer is initialised.	312	* returns a pointer to the found archetype, otherwise NULL.
308	* Then the blocksview[] array is initialised.
309	*/	313	*/
		314	archetype *
		315	archetype::find (const char *name)
		316	{
		317	if (!name)
		318	return 0;
		319
		320	auto (i, ht.find (name));
		321
		322	if (i == ht.end ())
		323	return 0;
		324	else
		325	return i->second;
		326	}
		327
		328	archetype *
		329	archetype::read (object_thawer &f)
		330	{
		331	assert (f.kw == KW_object);
		332
		333	std::vector<archetype *> parts;
		334
		335	coroapi::cede_to_tick ();
		336
		337	for (;;)
		338	{
		339	archetype *at = new archetype (f.get_str ());
		340
		341	f.next ();
		342
		343	#if 0
		344	// implementing it here in the server does neither allow multiple inheritence
		345	// nor does it cleanly "just override". it would allow use in map files, though,
		346	// and other resource files dynamically laoded (as opposed to being preprocessed).
		347	// not that any of this is relevant as of yet...
		348	if (f.kw == KW_inherit)
		349	{
		350	if (archetype *at = find (f.get_str ()))
		351	*op = at->clone;
		352	else
		353	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		354	&at->archname, f.get_str ());
		355
		356	f.next ();
		357	}
		358	#endif
		359
		360	loading_arch = at; // hack to tell parse_kv et al. to behave
		361	bool parse_ok = at->parse_kv (f);
		362	loading_arch = 0;
		363
		364	if (!parse_ok)
		365	goto fail;
		366
		367	loading_arch = at; // hack to tell parse_kv et al. to behave
		368	at->post_load_check ();
		369	loading_arch = 0;
		370
		371	parts.push_back (at);
		372
		373	if (f.kw != KW_more)
		374	break;
		375
		376	f.next ();
		377
		378	if (f.kw != KW_object)
		379	{
		380	f.parse_error ("more object");
		381	goto fail;
		382	}
		383	}
		384
		385	{
		386	auto (at, parts.begin ());
		387
		388	archetype *new_head = parts.front ();
		389	archetype *old_head = find (new_head->archname);
		390
		391	if (old_head && !old_head->is_head ())
		392	{
		393	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		394	&new_head->archname, &old_head->archname);
		395	goto fail;
		396	}
		397
		398	// check that all archetypes belong to the same old object or are new
		399	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		400	{
		401	archetype new_part = at;
		402	archetype *old_part = find (new_part->archname);
		403
		404	if (old_part && old_part->head_ () != old_head)
		405	{
		406	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		407	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		408	goto fail;
		409	}
		410	}
		411
		412	// assemble new chain
		413	new_head->min_x = new_head->max_x = new_head->x;
		414	new_head->min_y = new_head->max_y = new_head->y;
		415
		416	archetype *less = new_head;
		417	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		418	{
		419	archetype at = p;
		420
		421	// some flags get inherited from the head (probably a lot more)
		422	// doing it here doesn't feel too cozy, but it allows code
		423	// to ignore head checks for these flags, which saves time
		424	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		425	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		426	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		427	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		428
		429	new_head->min_x = min (new_head->min_x, at->x);
		430	new_head->min_y = min (new_head->min_y, at->y);
		431	new_head->max_x = max (new_head->max_x, at->x);
		432	new_head->max_y = max (new_head->max_y, at->y);
		433
		434	at->head = new_head;
		435	less->more = at;
		436	less = at;
		437	}
		438
		439	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		440
		441	return new_head;
		442	}
		443
		444	fail:
		445	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		446	(*p)->destroy ();
		447
		448	return 0;
		449	}
310		450
311	void	451	void
312	init_archetypes (void)	452	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
313	{ /* called from add_player() and edit() */	453	{
314	if (first_archetype != NULL) /* Only do this once */	454	ref = 0;
315	return;	455	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
316
317	arch_init = 1;
318	load_archetypes ();
319	arch_init = 0;
320	empty_archetype = archetype::find ("empty_archetype");
321
322	/* init_blocksview();*/
323	}	456	}
324
325	/*
326	* Stores debug-information about how efficient the hashtable
327	* used for archetypes has been in the static errmsg array.
328	*/
329		457
330	void	458	void
331	arch_info (object *op)	459	archetype::commit_load ()
332	{	460	{
333	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	461	// unlink old archetypes and link in new ones */
334	new_draw_info (NDI_BLACK, 0, op, errmsg);	462	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
335	}	463	{
		464	archetype at = p;
336		465
337	/*	466	if (archetype *old = find (at->archname))
338	* Initialise the hashtable used by the archetypes.	467	old->unlink ();
339	*/	468
		469	allarch.push_back (at);
		470
		471	at->link ();
		472	++dirtycnt;
		473	}
		474
		475	postponed_arch.clear ();
		476
		477	// now resolve arch references
		478	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		479	{
		480	arch_ptr *ap = p->first;
		481	archetype *at = find (p->second);
		482
		483	if (!at)
		484	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		485
		486	*ap = at;
		487	}
		488
		489	postponed_arch_ref.clear ();
		490
		491	empty = find (shstr_empty_archetype);
		492	}
340		493
341	void	494	void
342	clear_archetable (void)	495	archetype::gc ()
343	{	496	{
344	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	497	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
345	}	498	dirtycnt = max (0, dirtycnt - cnt);
346		499
347	/*	500	do
348	* An alternative way to init the hashtable which is slower, but _works_...
349	*/
350
351	void
352	init_archetable (void)
353	{
354	archetype *at;
355
356	LOG (llevDebug, " Setting up archetable...\n");
357
358	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
359	at->hash_add ();
360
361	LOG (llevDebug, "done\n");
362	}
363
364	void
365	free_all_archs (void)
366	{
367	archetype at, next;
368	int i = 0, f = 0;
369
370	for (at = first_archetype; at != NULL; at = next)
371	{	501	{
372	if (at->more)	502	static int idx;
373	next = at->more;	503
		504	if (idx >= allarch.size ())
		505	if (idx)
		506	idx = 0;
		507	else
		508	return;
		509
		510	archetype *at = allarch [idx];
		511
		512	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		513	++idx;
374	else	514	else
375	next = at->next;
376
377	delete
378	at;
379
380	i++;
381	}
382
383	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
384	}
385
386	archetype::archetype ()
387	{
388	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
389	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
390	}
391
392	archetype::~archetype ()
393	{
394	}
395
396	/*
397	* Reads/parses the archetype-file, and copies into a linked list
398	* of archetype-structures.
399	*/
400	void
401	first_arch_pass (object_thawer & fp)
402	{
403	archetype head = 0, last_more = 0;
404
405	archetype *at = new archetype;
406	at->clone.arch = first_archetype = at;
407
408	while (int i = load_object (fp, &at->clone, 0))
409	{
410	at->clone.speed_left = (float) (-0.1);
411	/* copy the body_info to the body_used - this is only really
412	* need for monsters, but doesn't hurt to do it for everything.
413	* by doing so, when a monster is created, it has good starting
414	* values for the body_used info, so when items are created
415	* for it, they can be properly equipped.
416	*/
417	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
418
419	switch (i)
420	{	515	{
421	case LL_NORMAL: /* A new archetype, just link it with the previous */	516	LOG (llevDebug, "garbage collect arch %s", &at->archname);
422	if (last_more != NULL)	517	assert (at->arch == at); // verify that refcnt == 1 is truly valid
423	last_more->next = at;	518	allarch.erase (idx);
424	if (head != NULL)
425	head->next = at;
426	head = last_more = at;
427	#if 0
428	if (!op->type)
429	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
430	#endif
431	at->tail_x = 0;
432	at->tail_y = 0;
433	break;
434		519
435	case LL_MORE: /* Another part of the previous archetype, link it correctly */	520	// break chain
436		521	for (object *op = at->head_ (); op; )
437	at->head = head;
438	at->clone.head = &head->clone;
439	if (last_more != NULL)
440	{	522	{
		523	object *next = op->more;
		524	op->head = 0;
441	last_more->more = at;	525	op->more = 0;
442	last_more->clone.more = &at->clone;	526	op = next;
443	}	527	}
444	last_more = at;
445		528
446	/* If this multipart image is still composed of individual small	529	at->destroy ();
447	* images, don't set the tail_.. values. We can't use them anyways,	530	at->arch = 0;
448	* and setting these to zero makes the map sending to the client much
449	* easier as just looking at the head, we know what to do.
450	*/
451	if (at->clone.face != head->clone.face)
452	{
453	head->tail_x = 0;
454	head->tail_y = 0;
455	}
456	else
457	{
458	if (at->clone.x > head->tail_x)
459	head->tail_x = at->clone.x;
460	if (at->clone.y > head->tail_y)
461	head->tail_y = at->clone.y;
462	}
463	break;
464
465	}	531	}
466
467	at = new archetype;
468
469	at->clone.arch = at;
470	}
471
472	delete at;
473	}
474
475	/*
476	* Reads the archetype file once more, and links all pointers between
477	* archetypes.
478	*/
479
480	void
481	second_arch_pass (object_thawer & thawer)
482	{
483	char buf[MAX_BUF], variable = buf, argument, *cp;
484	archetype at = NULL, other;
485
486	while (fgets (buf, MAX_BUF, thawer) != NULL)
487	{	532	}
488	if (*buf == '#')	533	while (--cnt);
489	continue;
490	if ((argument = strchr (buf, ' ')) != NULL)
491	{
492	*argument = '\0', argument++;
493	cp = argument + strlen (argument) - 1;
494	while (isspace (*cp))
495	{
496	*cp = '\0';
497	cp--;
498	}
499	}
500	if (!strcmp ("Object", variable))
501	{
502	if ((at = archetype::find (argument)) == NULL)
503	LOG (llevError, "Warning: failed to find arch %s\n", argument);
504	}
505	else if (!strcmp ("other_arch", variable))
506	{
507	if (at != NULL && at->clone.other_arch == NULL)
508	{
509	if ((other = archetype::find (argument)) == NULL)
510	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
511	else if (at != NULL)
512	at->clone.other_arch = other;
513	}
514	}
515	else if (!strcmp ("randomitems", variable))
516	{
517	if (at != NULL)
518	{
519	treasurelist *tl = find_treasurelist (argument);
520
521	if (tl == NULL)
522	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
523	else
524	at->clone.randomitems = tl;
525	}
526	}
527	}
528	}	534	}
529		535
530	#ifdef DEBUG
531	void
532	check_generators (void)
533	{
534	archetype *at;
535
536	for (at = first_archetype; at != NULL; at = at->next)
537	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
538	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
539	}
540	#endif
541
542	/*
543	* First initialises the archtype hash-table (init_archetable()).
544	* Reads and parses the archetype file (with the first and second-pass
545	* functions).
546	* Then initialises treasures by calling load_treasures().
547	*/
548
549	void
550	load_archetypes (void)
551	{
552	char filename[MAX_BUF];
553
554	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
555	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
556
557	{
558	object_thawer
559	thawer (filename);
560
561	clear_archetable ();
562	LOG (llevDebug, " arch-pass 1...\n");
563	first_arch_pass (thawer);
564	LOG (llevDebug, " done\n");
565	}
566
567	init_archetable ();
568	warn_archetypes = 1;
569
570	{
571	object_thawer
572	thawer (filename);
573
574	LOG (llevDebug, " loading treasure...\n");
575	load_treasures ();
576	LOG (llevDebug, " done\n");
577	LOG (llevDebug, " arch-pass 2...\n");
578	second_arch_pass (thawer);
579	LOG (llevDebug, " done\n");
580	#ifdef DEBUG
581	check_generators ();
582	#endif
583	}
584	LOG (llevDebug, " done\n");
585	}
586
587	/*
588	* Creates and returns a new object which is a copy of the given archetype.
589	* This function returns NULL on failure.
590	*/
591	object *
592	arch_to_object (archetype *at)
593	{
594	object *op;	536	object *
595		537	archetype::instance ()
596	if (at == NULL)	538	{
597	{	539	object *op = clone ();
598	if (warn_archetypes)
599	LOG (llevError, "Couldn't find archetype.\n");
600
601	return NULL;
602	}
603
604	op = at->clone.clone ();
605	op->arch = at;
606	op->instantiate ();	540	op->instantiate ();
607	return op;	541	return op;
608	}	542	}
609		543
610	/*	544	/*
…		…
614	* an object, and never NULL.	548	* an object, and never NULL.
615	*/	549	*/
616	object *	550	object *
617	create_singularity (const char *name)	551	create_singularity (const char *name)
618	{	552	{
619	object *op;	553	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
620	char buf[MAX_BUF];
621		554
622	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	555	if (!strcmp (name, "bug"))
623	op = object::create ();	556	abort ();
624	op->name = op->name_pl = buf;	557
625	SET_FLAG (op, FLAG_NO_PICK);	558	object *op = archetype::get (shstr_bug);
		559	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		560
626	return op;	561	return op;
627	}	562	}
628		563
629	/*	564	/*
630	* Finds which archetype matches the given name, and returns a new	565	* Finds which archetype matches the given name, and returns a new
631	* object containing a copy of the archetype.	566	* object containing a copy of the archetype.
632	*/	567	*/
633	object *	568	object *
634	get_archetype (const char *name)	569	get_archetype (const char *name)
635	{	570	{
		571	return archetype::get (name);
		572	}
		573
		574	object *
		575	archetype::get (const char *name)
		576	{
636	archetype *at = archetype::find (name);	577	archetype *at = find (name);
637		578
638	if (!at)	579	if (!at)
639	return create_singularity (name);	580	return create_singularity (name);
640		581
641	return arch_to_object (at);	582	return at->instance ();
642	}
643
644	/*
645	* Hash-function used by the arch-hashtable.
646	*/
647
648	unsigned long
649	hasharch (const char *str, int tablesize)
650	{
651	unsigned long hash = 0;
652	unsigned int i = 0;
653	const char *p;
654
655	/* use the one-at-a-time hash function, which supposedly is
656	* better than the djb2-like one used by perl5.005, but
657	* certainly is better then the bug used here before.
658	* see http://burtleburtle.net/bob/hash/doobs.html
659	*/
660	for (p = str; i < MAXSTRING && *p; p++, i++)
661	{
662	hash += *p;
663	hash += hash << 10;
664	hash ^= hash >> 6;
665	}
666
667	hash += hash << 3;
668	hash ^= hash >> 11;
669	hash += hash << 15;
670
671	return hash % tablesize;
672	}
673
674	/*
675	* Finds, using the hashtable, which archetype matches the given name.
676	* returns a pointer to the found archetype, otherwise NULL.
677	*/
678
679	archetype *
680	archetype::find (const char *name)
681	{
682	if (!name)
683	return 0;
684
685	#if USE_UNORDERED_MAP
686	AUTODECL (i, ht.find ((size_t) name));
687
688	if (i == ht.end ())
689	return 0;
690	else
691	return i->second;
692	#endif
693
694	archetype *at;
695	unsigned long index;
696
697	index = hasharch (name, ARCHTABLE);
698	arch_search++;
699	for (;;)
700	{
701	at = arch_table[index];
702
703	if (at == NULL)
704	{
705	if (warn_archetypes)
706	LOG (llevError, "Couldn't find archetype %s\n", name);
707
708	return NULL;
709	}
710
711	arch_cmp++;
712
713	if (!strcmp ((const char *) at->name, name))
714	return at;
715
716	if (++index >= ARCHTABLE)
717	index = 0;
718	}
719	}
720
721	/*
722	* Adds an archetype to the hashtable.
723	*/
724	void
725	archetype::hash_add ()
726	{
727	#if USE_UNORDERED_MAP
728	ht.insert (std::make_pair ((size_t) (const char *) name, this));
729	#else
730
731	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
732
733	for (;;)
734	{
735	if (!arch_table[index])
736	{
737	arch_table[index] = this;
738	break;
739	}
740
741	if (++index == ARCHTABLE)
742	index = 0;
743
744	if (index == org_index)
745	fatal (ARCHTABLE_TOO_SMALL);
746	}
747	#endif
748	}
749
750	void
751	archetype::hash_del ()
752	{
753	#if USE_UNORDERED_MAP
754	# error remove this from HT
755	#else
756
757	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
758
759	for (;;)
760	{
761	if (arch_table[index] == this)
762	{
763	arch_table[index] = 0;
764	break;
765	}
766
767	if (++index == ARCHTABLE)
768	index = 0;
769
770	if (index == org_index)
771	break;
772	}
773	#endif
774	}	583	}
775		584
776	/*	585	/*
777	* Returns the first archetype using the given type.	586	* Returns the first archetype using the given type.
778	* Used in treasure-generation.	587	* Used in treasure-generation.
779	*/	588	*/
780
781	archetype *	589	archetype *
782	type_to_archetype (int type)	590	type_to_archetype (int type)
783	{	591	{
784	archetype *at;	592	for_all_archetypes (at)
785		593	if (at->type == type && at->head_ () != at)
786	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
787	if (at->clone.type == type)
788	return at;	594	return at;
789		595
790	return 0;	596	return 0;
791	}	597	}
792		598
793	/*	599	/*
794	* Returns a new object copied from the first archetype matching	600	* Returns a new object copied from the first archetype matching
795	* the given type.	601	* the given type.
796	* Used in treasure-generation.	602	* Used in treasure-generation.
797	*/	603	*/
798
799	object *	604	object *
800	clone_arch (int type)	605	clone_arch (int type)
801	{	606	{
802	archetype *at;	607	archetype *at = type_to_archetype (type);
803		608
804	if ((at = type_to_archetype (type)) == NULL)	609	if (!at)
805	{	610	{
806	LOG (llevError, "Can't clone archetype %d\n", type);	611	LOG (llevError, "Can't clone archetype %d\n", type);
807	return 0;	612	return 0;
808	}	613	}
809		614
810	object *op = at->clone.clone ();	615	return at->instance ();
811	op->instantiate ();
812	return op;
813	}	616	}
814		617
815	/*	618	/*
816	* member: make instance from class	619	* member: make instance from class
817	*/	620	*/
818
819	object *	621	object *
820	object_create_arch (archetype *at)	622	object_create_arch (archetype *at)
821	{	623	{
822	object op, prev = 0, *head = 0;	624	object op, prev = 0, *head = 0;
823		625
824	while (at)	626	while (at)
825	{	627	{
826	op = arch_to_object (at);	628	op = at->instance ();
		629
827	op->x = at->clone.x;	630	op->x = at->x;
828	op->y = at->clone.y;	631	op->y = at->y;
829		632
830	if (head)	633	if (head)
831	op->head = head, prev->more = op;	634	op->head = head, prev->more = op;
832		635
833	if (!head)	636	if (!head)
834	head = op;	637	head = op;
835		638
836	prev = op;	639	prev = op;
837	at = at->more;	640	at = (archetype *)at->more;
838	}	641	}
839		642
840	return (head);	643	return head;
841	}	644	}
842		645

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/common/arch.C (file contents): Revision 1.35 by root, Wed Jan 3 20:32:13 2007 UTC vs. Revision 1.89 by root, Mon Oct 12 14:00:57 2009 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.35 by root, Wed Jan 3 20:32:13 2007 UTC vs.
Revision 1.89 by root, Mon Oct 12 14:00:57 2009 UTC