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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.58 by root, Sat Apr 21 11:55:36 2007 UTC vs.
Revision 1.97 by root, Sun Nov 8 22:28:10 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 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 it under
9	* 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
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* 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 Affero GNU General Public License
19	* 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
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* 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>
23	*/	23	*/
24		24
25	#include <cassert>	25	#include <cassert>
26		26
27	#include <global.h>	27	#include <global.h>
28	#include <funcpoint.h>
29	#include <loader.h>	28	#include <loader.h>
30		29
31	#include <tr1/functional>	30	#include <tr1/functional>
32	#include <tr1/unordered_map>	31	#include <tr1/unordered_map>
33		32
34	/* The naming of these functions is really poor - they are all
35	* pretty much named '.._arch_...', but they may more may not
36	* return archetypes. Some make the arch_to_object call, and thus
37	* return an object. Perhaps those should be called 'archob' functions
38	* to denote they return an object derived from the archetype.
39	* MSW 2003-04-29
40	*/
41
42	bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing	33	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
		34	arch_ptr archetype::empty;
43		35
44	// the hashtable	36	// the hashtable
45	typedef std::tr1::unordered_map	37	typedef std::tr1::unordered_map
46	<	38	<
47	const char *,	39	const char *,
49	str_hash,	41	str_hash,
50	str_equal,	42	str_equal,
51	slice_allocator< std::pair<const char *const, arch_ptr> >	43	slice_allocator< std::pair<const char *const, arch_ptr> >
52	> HT;	44	> HT;
53		45
54	static HT ht (5000);	46	static HT ht (10000);
		47	archvec archetypes;
		48	static unordered_vector<archetype *> allarch;
		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
55	static std::vector<archetype *> archetypes;	54	static std::vector<archetype *> postponed_arch;
		55
		56	//+GPL
		57
		58	/*
		59	* Creates an object. This function is called by get_archetype ()
		60	* if it fails to find the appropriate archetype.
		61	* Thus get_archetype() will be guaranteed to always return
		62	* an object, and never NULL.
		63	*/
		64	static object *
		65	create_singularity (const char *name)
		66	{
		67	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
		68
		69	if (!strcmp (name, "bug"))
		70	abort ();
		71
		72	object *op = archetype::get (shstr_bug);
		73	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		74
		75	return op;
		76	}
56		77
57	/**	78	/**
58	* GROS - This function retrieves an archetype given the name that appears	79	* GROS - This function retrieves an archetype given the name that appears
59	* during the game (for example, "writing pen" instead of "stylus").	80	* during the game (for example, "writing pen" instead of "stylus").
60	* It does not use the hashtable system, but browse the whole archlist each time.	81	* It does not use the hashtable system, but browse the whole archlist each time.
…		…
68	archetype *	89	archetype *
69	find_archetype_by_object_name (const char *name)	90	find_archetype_by_object_name (const char *name)
70	{	91	{
71	shstr_cmp name_cmp (name);	92	shstr_cmp name_cmp (name);
72		93
73	for (archetype *at = first_archetype; at; at = at->next)	94	for_all_archetypes (at)
74	if (at->clone.name == name_cmp)	95	if (at->name == name_cmp)
75	return at;	96	return at;
76		97
77	return 0;	98	return 0;
78	}	99	}
79		100
…		…
85	archetype *	106	archetype *
86	find_archetype_by_object_type_name (int type, const char *name)	107	find_archetype_by_object_type_name (int type, const char *name)
87	{	108	{
88	shstr_cmp name_cmp (name);	109	shstr_cmp name_cmp (name);
89		110
90	for (archetype *at = first_archetype; at; at = at->next)	111	for_all_archetypes (at)
91	if (at->clone.name == name_cmp && at->clone.type == type)	112	if (at->name == name_cmp && at->type == type)
92	return at;	113	return at;
93		114
94	return 0;	115	return 0;
95	}	116	}
96		117
…		…
102	object *	123	object *
103	get_archetype_by_skill_name (const char *skill, int type)	124	get_archetype_by_skill_name (const char *skill, int type)
104	{	125	{
105	shstr_cmp skill_cmp (skill);	126	shstr_cmp skill_cmp (skill);
106		127
107	for (archetype *at = first_archetype; at; at = at->next)	128	for_all_archetypes (at)
108	if (at->clone.skill == skill_cmp && (type == -1 \|\| type == at->clone.type))	129	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
109	return arch_to_object (at);	130	return at->instance ();
110		131
111	return 0;	132	return 0;
112	}	133	}
113		134
114	/* similiar to above - this returns the first archetype	135	/* similiar to above - this returns the first archetype
…		…
119	* (eg, skills)	140	* (eg, skills)
120	*/	141	*/
121	archetype *	142	archetype *
122	get_archetype_by_type_subtype (int type, int subtype)	143	get_archetype_by_type_subtype (int type, int subtype)
123	{	144	{
124	for (archetype *at = first_archetype; at; at = at->next)	145	for_all_archetypes (at)
125	if ((type == -1 \|\| type == at->clone.type) && (subtype == -1 \|\| subtype == at->clone.subtype))	146	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
126	return at;	147	return at;
127		148
128	return 0;	149	return 0;
129	}	150	}
130		151
…		…
135	* - name: The name we're searching for (ex: "writing pen");	156	* - name: The name we're searching for (ex: "writing pen");
136	* Return value:	157	* Return value:
137	* - a corresponding object if found; a singularity object if not found.	158	* - a corresponding object if found; a singularity object if not found.
138	* Note by MSW - it appears that it takes the full name and keeps	159	* Note by MSW - it appears that it takes the full name and keeps
139	* shortening it until it finds a match. I re-wrote this so that it	160	* shortening it until it finds a match. I re-wrote this so that it
140	* doesn't malloc it each time - not that this function is used much,	161	* doesn't allocate it each time - not that this function is used much,
141	* but it otherwise had a big memory leak.	162	* but it otherwise had a big memory leak.
142	*/	163	*/
143	object *	164	object *
144	get_archetype_by_object_name (const char *name)	165	get_archetype_by_object_name (const char *name)
145	{	166	{
146	char tmpname[MAX_BUF];	167	char tmpname[MAX_BUF];
147	int i;
148		168
149	assign (tmpname, name);	169	assign (tmpname, name);
150		170
151	for (i = strlen (tmpname); i > 0; i--)	171	for (int i = strlen (tmpname); i > 0; i--)
152	{	172	{
153	tmpname[i] = 0;	173	tmpname[i] = 0;
154		174
155	if (archetype *at = find_archetype_by_object_name (tmpname))	175	if (archetype *at = find_archetype_by_object_name (tmpname))
156	return arch_to_object (at);	176	return at->instance ();
157	}	177	}
158		178
159	return create_singularity (name);	179	return create_singularity (name);
160	}	180	}
161		181
162	/* This is a subset of the parse_id command. Basically, name can be	182	/* This is a subset of the parse_id command. Basically, name can be
163	* a string seperated lists of things to match, with certain keywords.	183	* a string seperated lists of things to match, with certain keywords.
164	* pl is the player (only needed to set count properly)	184	* pl is the player (only needed to set count properly)
165	* op is the item we are trying to match. Calling function takes care	185	* op is the item we are trying to match. Calling function takes care
166	* of what action might need to be done and if it is valid	186	* of what action might need to be done and if it is valid
167	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	187	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
168	* value means a better match. 0 means no match.	188	* value means a better match. 0 means no match.
169	*	189	*
170	* Brief outline of the procedure:	190	* Brief outline of the procedure:
171	* We take apart the name variable into the individual components.	191	* We take apart the name variable into the individual components.
172	* cases for 'all' and unpaid are pretty obvious.	192	* cases for 'all' and unpaid are pretty obvious.
173	* Next, we check for a count (either specified in name, or in the	193	* Next, we check for a count (either specified in name, or in the
174	* player object.)	194	* player object.)
175	* If count is 1, make a quick check on the name.	195	* If count is 1, make a quick check on the name.
176	* IF count is >1, we need to make plural name. Return if match.	196	* IF count is >1, we need to make plural name. Return if match.
177	* Last, make a check on the full name.	197	* Last, make a check on the full name.
178	*/	198	*/
179	int	199	int
180	item_matched_string (object pl, object op, const char *name)	200	item_matched_string (object pl, object op, const char *name)
181	{	201	{
182	char *cp, local_name[MAX_BUF];	202	char *cp, local_name[MAX_BUF];
183	int count, retval = 0;	203	int count, retval = 0;
…		…
195	return 1;	215	return 1;
196		216
197	/* unpaid is a little more specific */	217	/* unpaid is a little more specific */
198	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))	218	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
199	return 2;	219	return 2;
		220
200	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))	221	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))
201	return 2;	222	return 2;
202		223
203	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))	224	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
204	return 2;	225	return 2;
…		…
226	* is because of the 'else' handling - we don't want to match on	247	* is because of the 'else' handling - we don't want to match on
227	* something and set a low retval, even though it may match a higher retcal	248	* something and set a low retval, even though it may match a higher retcal
228	* later. So keep it in descending order here, so we try for the best	249	* later. So keep it in descending order here, so we try for the best
229	* match first, and work downward.	250	* match first, and work downward.
230	*/	251	*/
		252	const char qbn0, qbn1, *qsn; // query base name/short name caches
		253
231	if (!strcasecmp (cp, query_name (op)))	254	if (!strcasecmp (cp, query_name (op)))
232	retval = 20;	255	retval = 20;
233	else if (!strcasecmp (cp, query_short_name (op)))	256	else if (!strcasecmp (cp, qsn = query_short_name (op)))
234	retval = 18;	257	retval = 18;
235	else if (!strcasecmp (cp, query_base_name (op, 0)))	258	else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
236	retval = 16;	259	retval = 16;
237	else if (!strcasecmp (cp, query_base_name (op, 1)))	260	else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
238	retval = 16;	261	retval = 16;
239	else if (op->custom_name && !strcasecmp (cp, op->custom_name))	262	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
240	retval = 15;	263	retval = 15;
241	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	264	else if (!strncasecmp (cp, qbn0, strlen (cp)))
242	retval = 14;	265	retval = 14;
243	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	266	else if (!strncasecmp (cp, qbn1, strlen (cp)))
244	retval = 14;	267	retval = 14;
245	/* Do substring checks, so things like 'Str+1' will match.	268	/* Do substring checks, so things like 'Str+1' will match.
246	* retval of these should perhaps be lower - they are lower	269	* retval of these should perhaps be lower - they are lower
247	* then the specific strcasecmp aboves, but still higher than	270	* then the specific strcasecmp aboves, but still higher than
248	* some other match criteria.	271	* some other match criteria.
249	*/	272	*/
250	else if (strstr (query_base_name (op, 1), cp))	273	else if (strstr (qbn1, cp))
251	retval = 12;	274	retval = 12;
252	else if (strstr (query_base_name (op, 0), cp))	275	else if (strstr (qbn0, cp))
253	retval = 12;	276	retval = 12;
254	else if (strstr (query_short_name (op), cp))	277	else if (strstr (qsn, cp))
255	retval = 12;	278	retval = 12;
256	/* Check against plural/non plural based on count. */	279	/* Check against plural/non plural based on count. */
257	else if (count > 1 && !strcasecmp (cp, op->name_pl))	280	else if (count > 1 && !strcasecmp (cp, op->name_pl))
258	retval = 6;	281	retval = 6;
259	else if (count == 1 && !strcasecmp (op->name, cp))	282	else if (count == 1 && !strcasecmp (op->name, cp))
260	retval = 6;	283	retval = 6;
261	/* base name matched - not bad */	284	/* base name matched - not bad */
262	else if (strcasecmp (cp, op->name) == 0 && !count)	285	else if (strcasecmp (cp, op->name) == 0 && !count)
263	retval = 4;	286	retval = 4;
264	/* Check for partial custom name, but give a real low priority */	287	/* Check for partial custom name, but give a real low priority */
265	else if (op->custom_name && strstr (op->custom_name, cp))	288	else if (op->custom_name.contains (cp))
266	retval = 3;	289	retval = 3;
267		290
268	if (retval)	291	if (retval)
269	{	292	{
270	if (pl->type == PLAYER)	293	if (pl->type == PLAYER)
…		…
275	}	298	}
276		299
277	return 0;	300	return 0;
278	}	301	}
279		302
280	archetype::archetype ()	303	//-GPL
		304
		305	archetype::archetype (const char *name)
281	{	306	{
282	clone.arch = this;	307	arch = this;
283		308	this->archname = this->name = this->name_pl = name;
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	}	309	}
287		310
288	archetype::~archetype ()	311	archetype::~archetype ()
289	{	312	{
290	//TODO: nuke ->more's	313	unlink ();
291	}	314	}
292		315
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
310	void	316	void
311	overwrite (archetype at, object op)	317	archetype::link ()
312	{	318	{
313	at->clone = *op;	319	if (!archetypes.contains (this))
314	at->clone.arch = at;	320	{
		321	archetypes.insert (this);
		322	ht.insert (std::make_pair (archname, this));
		323	}
		324	}
315		325
316	at->clone.inv = op->inv; op->inv = 0;	326	void
		327	archetype::unlink ()
		328	{
		329	if (archetypes.contains (this))
		330	{
		331	archetypes.erase (this);
		332	ht.erase (archname);
		333	}
		334	}
317		335
318	op->destroy ();	336	/*
		337	* Finds, using the hashtable, which archetype matches the given name.
		338	* returns a pointer to the found archetype, otherwise NULL.
		339	*/
		340	archetype *
		341	archetype::find (const char *name)
		342	{
		343	if (!name)
		344	return 0;
		345
		346	auto (i, ht.find (name));
		347
		348	if (i == ht.end ())
		349	return 0;
		350	else
		351	return i->second;
		352	}
		353
		354	void
		355	archetype::post_load_check ()
		356	{
		357	object::post_load_check ();
		358
		359	assert (("obj_original MUST NOT be set for archetypes", !flag [FLAG_OBJ_ORIGINAL]));
319	}	360	}
320		361
321	archetype *	362	archetype *
322	archetype::read (object_thawer &f)	363	archetype::read (object_thawer &f)
323	{	364	{
324	assert (f.kw == KW_object);	365	assert (f.kw == KW_object);
325		366
326	loading_arch = true; // hack to tell parse_kv et al. to behave
327
328	typedef std::pair<archetype , object > part;
329	std::vector<part> parts;	367	std::vector<archetype *> parts;
330		368
331	coroapi::cede_to_tick_every (100);	369	coroapi::cede_to_tick ();
332		370
333	for (;;)	371	for (;;)
334	{	372	{
335	object *op = object::create ();
336	archetype *at = get (f.get_str ());	373	archetype *at = new archetype (f.get_str ());
337	f.get (op->name);	374
338	f.next ();	375	f.next ();
339		376
340	#if 0	377	#if 0
		378	// implementing it here in the server does neither allow multiple inheritence
		379	// nor does it cleanly "just override". it would allow use in map files, though,
		380	// and other resource files dynamically laoded (as opposed to being preprocessed).
		381	// not that any of this is relevant as of yet...
341	if (f.kw == KW_inherit)	382	if (f.kw == KW_inherit)
342	{	383	{
343	if (archetype *at = find (f.get_str ()))	384	if (archetype *at = find (f.get_str ()))
344	*op = at->clone;	385	*op = at->clone;
345	else	386	else
346	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",	387	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
347	&at->name, f.get_str ());	388	&at->archname, f.get_str ());
348		389
349	f.next ();	390	f.next ();
350	}	391	}
351	#endif	392	#endif
352		393
		394	loading_arch = at; // hack to tell parse_kv et al. to behave
		395	bool parse_ok = at->parse_kv (f);
		396	loading_arch = 0;
		397
353	if (!op->parse_kv (f))	398	if (!parse_ok)
354	goto fail;	399	goto fail;
355		400
356	parts.push_back (std::make_pair (at, op));	401	loading_arch = at; // hack to tell parse_kv et al. to behave
		402	at->post_load_check ();
		403	loading_arch = 0;
		404
		405	parts.push_back (at);
357		406
358	if (f.kw != KW_more)	407	if (f.kw != KW_more)
359	break;	408	break;
360		409
361	f.next ();	410	f.next ();
…		…
366	goto fail;	415	goto fail;
367	}	416	}
368	}	417	}
369		418
370	{	419	{
		420	auto (at, parts.begin ());
		421
371	archetype *head = parts.front ().first;	422	archetype *new_head = parts.front ();
		423	archetype *old_head = find (new_head->archname);
372		424
373	// check that all archetypes belong to the same object or are heads	425	if (old_head && !old_head->is_head ())
374	for (auto (p, parts.begin ()); p != parts.end (); ++p)
375	{	426	{
376	archetype *at = p->first;	427	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		428	&new_head->archname, &old_head->archname);
		429	goto fail;
		430	}
377		431
378	if (at->head != head && at->head)	432	// check that all archetypes belong to the same old object or are new
		433	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		434	{
		435	archetype new_part = at;
		436	archetype *old_part = find (new_part->archname);
		437
		438	if (old_part && old_part->head_ () != old_head)
379	{	439	{
380	LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name);	440	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
381	goto fail;	441	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
382	}
383
384	if (at->next && at != head)
385	{
386	LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name);
387	goto fail;	442	goto fail;
388	}	443	}
389	}	444	}
390		445
391	// sever chain of existing head object
392	for (archetype more, at = head; at; at = more)
393	{
394	more = at->more;
395
396	at->head = 0;
397	at->more = 0;
398	}
399
400	// replace/update head
401	overwrite (head, parts.front ().second);
402	head->tail_x = 0;
403	head->tail_y = 0;
404
405	// link into list of heads, if not already there
406	if (!head->linked)
407	{
408	head->linked = true;
409	head->next = first_archetype;
410	first_archetype = head;
411	}
412
413	// reassemble new chain	446	// assemble new chain
		447	new_head->min_x = new_head->max_x = new_head->x;
		448	new_head->min_y = new_head->max_y = new_head->y;
		449
414	archetype *prev = head;	450	archetype *less = new_head;
415	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)	451	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
416	{	452	{
417	archetype *at = p->first;	453	archetype at = p;
418	overwrite (at, p->second);
419		454
420	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;	455	// some flags get inherited from the head (probably a lot more)
421	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;	456	// doing it here doesn't feel too cozy, but it allows code
		457	// to ignore head checks for these flags, which saves time
		458	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		459	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		460	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		461	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
422		462
		463	new_head->min_x = min (new_head->min_x, at->x);
		464	new_head->min_y = min (new_head->min_y, at->y);
		465	new_head->max_x = max (new_head->max_x, at->x);
		466	new_head->max_y = max (new_head->max_y, at->y);
		467
423	at->head = head;	468	at->head = new_head;
424	at->clone.head = &head->clone;
425	prev->more = at;	469	less->more = at;
426	prev->clone.more = &at->clone;
427
428	prev = at;	470	less = at;
429	}	471	}
430		472
431	loading_arch = false;	473	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		474
432	return head;	475	return new_head;
433	}	476	}
434		477
435	fail:	478	fail:
436	for (auto (p, parts.begin ()); p != parts.end (); ++p)	479	for (auto (p, parts.begin ()); p != parts.end (); ++p)
437	p->second->destroy (true);	480	(*p)->destroy ();
438		481
439	loading_arch = false;
440	return 0;	482	return 0;
441	}	483	}
442		484
443	/*
444	* Initialize global archtype pointers:
445	*/
446	void	485	void
447	init_archetype_pointers ()	486	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
448	{	487	{
449	ring_arch = archetype::find ("ring");	488	ref = 0;
450	amulet_arch = archetype::find ("amulet");	489	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
451	staff_arch = archetype::find ("staff");
452	crown_arch = archetype::find ("crown");
453	empty_archetype = archetype::find ("empty_archetype");
454	}	490	}
455		491
456	/*	492	void
457	* Creates and returns a new object which is a copy of the given archetype.	493	archetype::commit_load ()
458	* This function returns NULL on failure.	494	{
459	*/	495	// unlink old archetypes and link in new ones */
		496	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
		497	{
		498	archetype at = p;
		499
		500	if (archetype *old = find (at->archname))
		501	old->unlink ();
		502
		503	allarch.push_back (at);
		504
		505	at->link ();
		506	++dirtycnt;
		507	}
		508
		509	postponed_arch.clear ();
		510
		511	// now resolve arch references
		512	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		513	{
		514	arch_ptr *ap = p->first;
		515	archetype *at = find (p->second);
		516
		517	if (!at)
		518	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		519
		520	*ap = at;
		521	}
		522
		523	postponed_arch_ref.clear ();
		524
		525	empty = find (shstr_empty_archetype);
		526	}
		527
		528	void
		529	archetype::gc ()
		530	{
		531	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
		532	dirtycnt = max (0, dirtycnt - cnt);
		533
		534	do
		535	{
		536	static int idx;
		537
		538	if (idx >= allarch.size ())
		539	if (idx)
		540	idx = 0;
		541	else
		542	return;
		543
		544	archetype *at = allarch [idx];
		545
		546	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		547	++idx;
		548	else
		549	{
		550	LOG (llevDebug, "garbage collect arch %s", &at->archname);
		551	assert (at->arch == at); // verify that refcnt == 1 is truly valid
		552	allarch.erase (idx);
		553
		554	// break chain
		555	for (object *op = at->head_ (); op; )
		556	{
		557	object *next = op->more;
		558	op->head = 0;
		559	op->more = 0;
		560	op = next;
		561	}
		562
		563	at->destroy ();
		564	at->arch = 0;
		565	}
		566	}
		567	while (--cnt);
		568	}
		569
460	object *	570	object *
461	arch_to_object (archetype *at)	571	archetype::instance ()
462	{	572	{
463	if (!at)
464	{
465	LOG (llevError, "Couldn't find archetype.\n");
466	return 0;
467	}
468
469	object *op = at->clone.clone ();	573	object *op = clone ();
470	op->arch = at;
471	op->instantiate ();	574	op->instantiate ();
472
473	return op;	575	return op;
474	}	576	}
475		577
476	/*	578	//+GPL
477	* Creates an object. This function is called by get_archetype()
478	* if it fails to find the appropriate archetype.
479	* Thus get_archetype() will be guaranteed to always return
480	* an object, and never NULL.
481	*/
482	object *
483	create_singularity (const char *name)
484	{
485	object *op;
486	char buf[MAX_BUF];
487
488	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);
489	op = object::create ();
490	op->name = op->name_pl = buf;
491	SET_FLAG (op, FLAG_NO_PICK);
492	return op;
493	}
494		579
495	/*	580	/*
496	* Finds which archetype matches the given name, and returns a new	581	* Finds which archetype matches the given name, and returns a new
497	* object containing a copy of the archetype.	582	* object containing a copy of the archetype.
498	*/	583	*/
499	object *	584	object *
500	get_archetype (const char *name)	585	get_archetype (const char *name)
501	{	586	{
		587	return archetype::get (name);
		588	}
		589
		590	object *
		591	archetype::get (const char *name)
		592	{
502	archetype *at = archetype::find (name);	593	archetype *at = find (name);
503		594
504	if (!at)	595	if (!at)
505	return create_singularity (name);	596	return create_singularity (name);
506		597
507	return arch_to_object (at);	598	return at->instance ();
508	}
509
510	/*
511	* Finds, using the hashtable, which archetype matches the given name.
512	* returns a pointer to the found archetype, otherwise NULL.
513	*/
514	archetype *
515	archetype::find (const char *name)
516	{
517	if (!name)
518	return 0;
519
520	auto (i, ht.find (name));
521
522	if (i == ht.end ())
523	return 0;
524	else
525	return i->second;
526	}
527
528	archetype *
529	archetype::get (const char *name)
530	{
531	if (!name)
532	{
533	LOG (llevError, "null archetype requested\n");
534	name = "(null)";
535	}
536
537	archetype *at = find (name);
538
539	if (!at)
540	{
541	archetypes.push_back (at = new archetype);
542	at->name = at->clone.name = at->clone.name_pl = name;
543	at->hash_add ();
544	}
545
546	return at;
547	}
548
549	/*
550	* Adds an archetype to the hashtable.
551	*/
552	void
553	archetype::hash_add ()
554	{
555	ht.insert (std::make_pair (name, this));
556	}
557
558	void
559	archetype::hash_del ()
560	{
561	ht.erase (name);
562	}	599	}
563		600
564	/*	601	/*
565	* Returns the first archetype using the given type.	602	* Returns the first archetype using the given type.
566	* Used in treasure-generation.	603	* Used in treasure-generation.
567	*/	604	*/
568	archetype *	605	static archetype *
569	type_to_archetype (int type)	606	type_to_archetype (int type)
570	{	607	{
571	for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more)	608	for_all_archetypes (at)
572	if (at->clone.type == type)	609	if (at->type == type && at->head_ () != at)
573	return at;	610	return at;
574		611
575	return 0;	612	return 0;
576	}	613	}
577		614
…		…
581	* Used in treasure-generation.	618	* Used in treasure-generation.
582	*/	619	*/
583	object *	620	object *
584	clone_arch (int type)	621	clone_arch (int type)
585	{	622	{
586	archetype *at;	623	archetype *at = type_to_archetype (type);
587		624
588	if ((at = type_to_archetype (type)) == NULL)	625	if (!at)
589	{	626	{
590	LOG (llevError, "Can't clone archetype %d\n", type);	627	LOG (llevError, "Can't clone archetype %d\n", type);
591	return 0;	628	return 0;
592	}	629	}
593		630
594	object *op = at->clone.clone ();	631	return at->instance ();
595	op->instantiate ();
596	return op;
597	}	632	}
598		633
599	/*	634	/*
600	* member: make instance from class	635	* member: make instance from class
601	*/	636	*/
602
603	object *	637	object *
604	object_create_arch (archetype *at)	638	object_create_arch (archetype *at)
605	{	639	{
606	object op, prev = 0, *head = 0;	640	object op, prev = 0, *head = 0;
607		641
608	while (at)	642	while (at)
609	{	643	{
610	op = arch_to_object (at);	644	op = at->instance ();
		645
611	op->x = at->clone.x;	646	op->x = at->x;
612	op->y = at->clone.y;	647	op->y = at->y;
613		648
614	if (head)	649	if (head)
615	op->head = head, prev->more = op;	650	op->head = head, prev->more = op;
616		651
617	if (!head)	652	if (!head)
618	head = op;	653	head = op;
619		654
620	prev = op;	655	prev = op;
621	at = at->more;	656	at = (archetype *)at->more;
622	}	657	}
623		658
624	return (head);	659	return head;
625	}	660	}
626		661
		662	//-GPL
		663

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.58 by root, Sat Apr 21 11:55:36 2007 UTC vs. Revision 1.97 by root, Sun Nov 8 22:28:10 2009 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.58 by root, Sat Apr 21 11:55:36 2007 UTC vs.
Revision 1.97 by root, Sun Nov 8 22:28:10 2009 UTC