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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.13 by pippijn, Thu Sep 7 09:37:11 2006 UTC vs.
Revision 1.70 by root, Tue Oct 16 00:30:24 2007 UTC

…		…
1	/*	1	/*
2	* static char *rcsid_arch_c =	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3	* "$Id: arch.C,v 1.13 2006/09/07 09:37:11 pippijn Exp $";	3	*
4	*/	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5
6	/*
7	CrossFire, A Multiplayer game for X-windows
8
9	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
10	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
11		7	*
12	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
13	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
14	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
15	(at your option) any later version.	11	* (at your option) any later version.
16		12	*
17	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,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU General Public License for more details.	16	* GNU General Public License for more details.
21		17	*
22	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
23	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
25		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/	22	*/
28		23
29	#include <cassert>	24	#include <cassert>
30		25
31	#include <tr1/unordered_map>
32
33	#include <global.h>	26	#include <global.h>
34	#include <arch.h>
35	#include <funcpoint.h>	27	#include <funcpoint.h>
36	#include <loader.h>	28	#include <loader.h>
37		29
38	/* IF set, does a little timing on the archetype load. */	30	#include <tr1/functional>
39	#define TIME_ARCH_LOAD 0	31	#include <tr1/unordered_map>
40
41	static void add_arch (archetype * at);
42
43	static archetype *arch_table[ARCHTABLE];
44	int arch_cmp = 0; /* How many strcmp's */
45	int arch_search = 0; /* How many searches */
46	int arch_init; /* True if doing arch initialization */
47		32
48	/* The naming of these functions is really poor - they are all	33	/* The naming of these functions is really poor - they are all
49	* pretty much named '.._arch_...', but they may more may not	34	* pretty much named '.._arch_...', but they may more may not
50	* return archetypes. Some make the arch_to_object call, and thus	35	* return archetypes. Some make the arch_to_object call, and thus
51	* return an object. Perhaps those should be called 'archob' functions	36	* return an object. Perhaps those should be called 'archob' functions
52	* to denote they return an object derived from the archetype.	37	* to denote they return an object derived from the archetype.
53	* MSW 2003-04-29	38	* MSW 2003-04-29
54	*/	39	*/
55		40
56	#if USE_UNORDERED_MAP	41	archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
		42
57	// the hashtable	43	// the hashtable
58	typedef std::tr1::unordered_map<size_t, archetype *> HT;	44	typedef std::tr1::unordered_map
		45	<
		46	const char *,
		47	arch_ptr,
		48	str_hash,
		49	str_equal,
		50	slice_allocator< std::pair<const char *const, arch_ptr> >
		51	> HT;
59		52
60	static HT ht;	53	static HT ht (5000);
61	#endif	54	archvec archetypes;
62		55
63	/**	56	/**
64	* GROS - This function retrieves an archetype given the name that appears	57	* GROS - This function retrieves an archetype given the name that appears
65	* during the game (for example, "writing pen" instead of "stylus").	58	* during the game (for example, "writing pen" instead of "stylus").
66	* 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.
72	* - the archetype found or null if nothing was found.	65	* - the archetype found or null if nothing was found.
73	*/	66	*/
74	archetype *	67	archetype *
75	find_archetype_by_object_name (const char *name)	68	find_archetype_by_object_name (const char *name)
76	{	69	{
77	archetype *at;	70	shstr_cmp name_cmp (name);
78		71
79	if (name == NULL)	72	for_all_archetypes (at)
80	return (archetype *) NULL;	73	if (at->name == name_cmp)
81
82	for (at = first_archetype; at != NULL; at = at->next)
83	{
84	if (!strcmp (at->clone.name, name))
85	return at;	74	return at;
86	}	75
87	return NULL;	76	return 0;
88	}	77	}
89		78
90	/**	79	/**
91	* 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
92	* 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()
93	* except that it considers only items of the given type.	82	* except that it considers only items of the given type.
94	*/	83	*/
95	archetype *	84	archetype *
96	find_archetype_by_object_type_name (int type, const char *name)	85	find_archetype_by_object_type_name (int type, const char *name)
97	{	86	{
98	archetype *at;	87	shstr_cmp name_cmp (name);
99		88
100	if (name == NULL)	89	for_all_archetypes (at)
101	return NULL;	90	if (at->name == name_cmp && at->type == type)
102
103	for (at = first_archetype; at != NULL; at = at->next)
104	{
105	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
106	return at;	91	return at;
107	}
108		92
109	return NULL;	93	return 0;
110	}	94	}
111		95
112	/* 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
113	* 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
114	* 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).
115	* If type is -1, ew don't match on type.	99	* If type is -1, ew don't match on type.
116	*/	100	*/
117	object *	101	object *
118	get_archetype_by_skill_name (const char *skill, int type)	102	get_archetype_by_skill_name (const char *skill, int type)
119	{	103	{
120	archetype *	104	shstr_cmp skill_cmp (skill);
121	at;
122		105
123	if (skill == NULL)	106	for_all_archetypes (at)
124	return NULL;	107	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
125
126	for (at = first_archetype; at != NULL; at = at->next)
127	{
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 NULL;	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
135	* that matches both the type and subtype. type and subtype	114	* that matches both the type and subtype. type and subtype
136	* can be -1 to say ignore, but in this case, the match it does	115	* can be -1 to say ignore, but in this case, the match it does
…		…
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 *
171	at;
172	char
173	tmpname[MAX_BUF];	145	char tmpname[MAX_BUF];
174	int	146	int i;
175	i;
176		147
177	strncpy (tmpname, name, MAX_BUF - 1);	148	assign (tmpname, name);
178	tmpname[MAX_BUF - 1] = 0;	149
179	for (i = strlen (tmpname); i > 0; i--)	150	for (i = strlen (tmpname); i > 0; i--)
180	{	151	{
181	tmpname[i] = 0;	152	tmpname[i] = 0;
		153
182	at = find_archetype_by_object_name (tmpname);	154	if (archetype *at = find_archetype_by_object_name (tmpname))
183	if (at != NULL)
184	{
185	return arch_to_object (at);	155	return arch_to_object (at);
186	}
187	}	156	}
		157
188	return create_singularity (name);	158	return create_singularity (name);
189	}	159	}
190		160
191	/* 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
192	* a string seperated lists of things to match, with certain keywords.	162	* a string seperated lists of things to match, with certain keywords.
193	* pl is the player (only needed to set count properly)	163	* pl is the player (only needed to set count properly)
194	* 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
195	* 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
196	* (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
197	* value means a better match. 0 means no match.	167	* value means a better match. 0 means no match.
198	*	168	*
199	* Brief outline of the procedure:	169	* Brief outline of the procedure:
200	* We take apart the name variable into the individual components.	170	* We take apart the name variable into the individual components.
201	* cases for 'all' and unpaid are pretty obvious.	171	* cases for 'all' and unpaid are pretty obvious.
202	* 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
203	* player object.)	173	* player object.)
204	* If count is 1, make a quick check on the name.	174	* If count is 1, make a quick check on the name.
205	* 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.
206	* Last, make a check on the full name.	176	* Last, make a check on the full name.
207	*/	177	*/
208	int	178	int
209	item_matched_string (object * pl, object * op, const char *name)	179	item_matched_string (object pl, object op, const char *name)
210	{	180	{
211	char *
212	cp,
213	local_name[MAX_BUF];	181	char *cp, local_name[MAX_BUF];
214	int	182	int count, retval = 0;
215	count,	183
216	retval = 0;
217	strcpy (local_name, name); /* strtok is destructive to name */	184	assign (local_name, name); /* strtok is destructive to name */
218		185
219	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	186	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
220	{	187	{
221	while (cp[0] == ' ')	188	while (cp[0] == ' ')
222	++cp; /* get rid of spaces */	189	++cp; /* get rid of spaces */
…		…
272	retval = 15;	239	retval = 15;
273	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	240	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
274	retval = 14;	241	retval = 14;
275	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	242	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
276	retval = 14;	243	retval = 14;
277
278	/* Do substring checks, so things like 'Str+1' will match.	244	/* Do substring checks, so things like 'Str+1' will match.
279	* retval of these should perhaps be lower - they are lower	245	* retval of these should perhaps be lower - they are lower
280	* then the specific strcasecmp aboves, but still higher than	246	* then the specific strcasecmp aboves, but still higher than
281	* some other match criteria.	247	* some other match criteria.
282	*/	248	*/
…		…
284	retval = 12;	250	retval = 12;
285	else if (strstr (query_base_name (op, 0), cp))	251	else if (strstr (query_base_name (op, 0), cp))
286	retval = 12;	252	retval = 12;
287	else if (strstr (query_short_name (op), cp))	253	else if (strstr (query_short_name (op), cp))
288	retval = 12;	254	retval = 12;
289
290	/* Check against plural/non plural based on count. */	255	/* Check against plural/non plural based on count. */
291	else if (count > 1 && !strcasecmp (cp, op->name_pl))	256	else if (count > 1 && !strcasecmp (cp, op->name_pl))
292	{
293	retval = 6;	257	retval = 6;
294	}
295	else if (count == 1 && !strcasecmp (op->name, cp))	258	else if (count == 1 && !strcasecmp (op->name, cp))
296	{
297	retval = 6;	259	retval = 6;
298	}
299	/* base name matched - not bad */	260	/* base name matched - not bad */
300	else if (strcasecmp (cp, op->name) == 0 && !count)	261	else if (strcasecmp (cp, op->name) == 0 && !count)
301	retval = 4;	262	retval = 4;
302	/* Check for partial custom name, but give a real low priority */	263	/* Check for partial custom name, but give a real low priority */
303	else if (op->custom_name && strstr (op->custom_name, cp))	264	else if (op->custom_name && strstr (op->custom_name, cp))
…		…
305		266
306	if (retval)	267	if (retval)
307	{	268	{
308	if (pl->type == PLAYER)	269	if (pl->type == PLAYER)
309	pl->contr->count = count;	270	pl->contr->count = count;
		271
310	return retval;	272	return retval;
311	}	273	}
312	}	274	}
		275
313	return 0;	276	return 0;
314	}	277	}
315		278
316	/*	279	archetype::archetype (const char *name)
317	* Initialises the internal linked list of archetypes (read from file).	280	{
318	* Then the global "empty_archetype" pointer is initialised.	281	stub = true;
319	* Then the blocksview[] array is initialised.	282	arch = this;
320	*/	283	this->archname = this->name = this->name_pl = name;
		284	}
		285
		286	archetype::~archetype ()
		287	{
		288	unlink ();
		289	}
321		290
322	void	291	void
323	init_archetypes (void)	292	archetype::link ()
324	{ /* called from add_player() and edit() */	293	{
325	if (first_archetype != NULL) /* Only do this once */	294	ht.insert (std::make_pair (archname, this));
326	return;
327	arch_init = 1;
328	load_archetypes ();
329	arch_init = 0;
330	empty_archetype = find_archetype ("empty_archetype");
331	/* init_blocksview();*/
332	}
333		295
334	/*	296	if (!archetypes.contains (this))
335	* Stores debug-information about how efficient the hashtable	297	archetypes.insert (this);
336	* used for archetypes has been in the static errmsg array.	298	}
337	*/
338		299
339	void	300	void
340	arch_info (object * op)	301	archetype::unlink ()
341	{	302	{
342	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);	303	ht.erase (archname);
343	new_draw_info (NDI_BLACK, 0, op, errmsg);
344	}
345		304
346	/*	305	if (archetypes.contains (this))
347	* Initialise the hashtable used by the archetypes.	306	archetypes.erase (this);
348	*/	307	}
349		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)
		317	return 0;
		318
		319	auto (i, ht.find (name));
		320
		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_every (10);
		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	*/
350	void	491	void
351	clear_archetable (void)	492	init_archetype_pointers ()
352	{	493	{
353	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));	494	ring_arch = archetype::find ("ring");
354	}	495	amulet_arch = archetype::find ("amulet");
355		496	staff_arch = archetype::find ("staff");
356	/*	497	crown_arch = archetype::find ("crown");
357	* An alternative way to init the hashtable which is slower, but _works_...	498	empty_archetype = archetype::find ("empty_archetype");
358	*/
359
360	void
361	init_archetable (void)
362	{
363	archetype *at;
364
365	LOG (llevDebug, " Setting up archetable...\n");
366
367	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
368	add_arch (at);
369
370	LOG (llevDebug, "done\n");
371	}
372
373	/*
374	* Dumps an archetype to debug-level output.
375	*/
376
377	void
378	dump_arch (archetype * at)
379	{
380	dump_object (&at->clone);
381	}
382
383	/*
384	* Dumps _all_ archetypes to debug-level output.
385	* If you run crossfire with debug, and enter DM-mode, you can trigger
386	* this with the O key.
387	*/
388
389	void
390	dump_all_archetypes (void)
391	{
392	archetype *
393	at;
394	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
395	{
396	dump_arch (at);
397	fprintf (logfile, "%s\n", errmsg);
398	}
399	}
400
401	void
402	free_all_archs (void)
403	{
404	archetype *
405	at, *
406	next;
407	int
408	i = 0, f = 0;
409
410	for (at = first_archetype; at != NULL; at = next)
411	{
412	if (at->more)
413	next = at->more;
414	else
415	next = at->next;
416
417	delete
418	at;
419	i++;
420	}
421	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
422	}
423
424	/*
425	* Allocates, initialises and returns the pointer to an archetype structure.
426	*/
427	// TODO: should become constructor
428	archetype *
429	get_archetype_struct (void)
430	{
431	archetype *
432	arch;
433
434	arch = new archetype;
435
436	clear_object (&arch->clone); /* to initial state other also */
437	CLEAR_FLAG (&arch->clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
438	SET_FLAG (&arch->clone, FLAG_REMOVED); /* doesn't copy these flags... */
439
440	return arch;
441	}
442
443	/*
444	* Reads/parses the archetype-file, and copies into a linked list
445	* of archetype-structures.
446	*/
447	void
448	first_arch_pass (object_thawer & fp)
449	{
450	object *
451	op;
452	archetype *
453	at, *
454	head = NULL, *last_more = NULL;
455	int
456	i;
457
458	op = get_object ();
459	op->arch = first_archetype = at = get_archetype_struct ();
460
461	while ((i = load_object (fp, op, 0)))
462	{
463	copy_object (op, &at->clone);
464	at->clone.speed_left = (float) (-0.1);
465	/* copy the body_info to the body_used - this is only really
466	* need for monsters, but doesn't hurt to do it for everything.
467	* by doing so, when a monster is created, it has good starting
468	* values for the body_used info, so when items are created
469	* for it, they can be properly equipped.
470	*/
471	memcpy (&at->clone.body_used, &op->body_info, sizeof (op->body_info));
472
473	switch (i)
474	{
475	case LL_NORMAL: /* A new archetype, just link it with the previous */
476	if (last_more != NULL)
477	last_more->next = at;
478	if (head != NULL)
479	head->next = at;
480	head = last_more = at;
481	#if 0
482	if (!op->type)
483	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
484	#endif
485	at->tail_x = 0;
486	at->tail_y = 0;
487	break;
488
489	case LL_MORE: /* Another part of the previous archetype, link it correctly */
490
491	at->head = head;
492	at->clone.head = &head->clone;
493	if (last_more != NULL)
494	{
495	last_more->more = at;
496	last_more->clone.more = &at->clone;
497	}
498	last_more = at;
499
500	/* If this multipart image is still composed of individual small
501	* images, don't set the tail_.. values. We can't use them anyways,
502	* and setting these to zero makes the map sending to the client much
503	* easier as just looking at the head, we know what to do.
504	*/
505	if (at->clone.face != head->clone.face)
506	{
507	head->tail_x = 0;
508	head->tail_y = 0;
509	}
510	else
511	{
512	if (at->clone.x > head->tail_x)
513	head->tail_x = at->clone.x;
514	if (at->clone.y > head->tail_y)
515	head->tail_y = at->clone.y;
516	}
517	break;
518
519	}
520
521	at = get_archetype_struct ();
522	clear_object (op);
523	op->arch = at;
524	}
525
526	delete
527	at;
528	free_object (op);
529	}
530
531	/*
532	* Reads the archetype file once more, and links all pointers between
533	* archetypes.
534	*/
535
536	void
537	second_arch_pass (object_thawer & thawer)
538	{
539	char
540	buf[MAX_BUF], *
541	variable = buf, argument, cp;
542	archetype *
543	at = NULL, *other;
544
545	while (fgets (buf, MAX_BUF, thawer) != NULL)
546	{
547	if (*buf == '#')
548	continue;
549	if ((argument = strchr (buf, ' ')) != NULL)
550	{
551	*argument = '\0', argument++;
552	cp = argument + strlen (argument) - 1;
553	while (isspace (*cp))
554	{
555	*cp = '\0';
556	cp--;
557	}
558	}
559	if (!strcmp ("Object", variable))
560	{
561	if ((at = find_archetype (argument)) == NULL)
562	LOG (llevError, "Warning: failed to find arch %s\n", argument);
563	}
564	else if (!strcmp ("other_arch", variable))
565	{
566	if (at != NULL && at->clone.other_arch == NULL)
567	{
568	if ((other = find_archetype (argument)) == NULL)
569	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
570	else if (at != NULL)
571	at->clone.other_arch = other;
572	}
573	}
574	else if (!strcmp ("randomitems", variable))
575	{
576	if (at != NULL)
577	{
578	treasurelist *
579	tl = find_treasurelist (argument);
580	if (tl == NULL)
581	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
582	else
583	at->clone.randomitems = tl;
584	}
585	}
586	}
587	}
588
589	#ifdef DEBUG
590	void
591	check_generators (void)
592	{
593	archetype *
594	at;
595	for (at = first_archetype; at != NULL; at = at->next)
596	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
597	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
598	}
599	#endif
600
601	/*
602	* First initialises the archtype hash-table (init_archetable()).
603	* Reads and parses the archetype file (with the first and second-pass
604	* functions).
605	* Then initialises treasures by calling load_treasures().
606	*/
607
608	void
609	load_archetypes (void)
610	{
611	char
612	filename[MAX_BUF];
613	#if TIME_ARCH_LOAD
614	struct timeval
615	tv1,
616	tv2;
617	#endif
618
619	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
620	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
621
622	{
623	object_thawer
624	thawer (filename);
625
626	clear_archetable ();
627	LOG (llevDebug, " arch-pass 1...\n");
628	first_arch_pass (thawer);
629	LOG (llevDebug, " done\n");
630	}
631
632	init_archetable ();
633	warn_archetypes = 1;
634
635	{
636	object_thawer
637	thawer (filename);
638
639	LOG (llevDebug, " loading treasure...\n");
640	load_treasures ();
641	LOG (llevDebug, " done\n arch-pass 2...\n");
642	second_arch_pass (thawer);
643	LOG (llevDebug, " done\n");
644	#ifdef DEBUG
645	check_generators ();
646	#endif
647	}
648	LOG (llevDebug, " done\n");
649	}	499	}
650		500
651	/*	501	/*
652	* 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.
653	* This function returns NULL on failure.	503	* This function returns NULL on failure.
654	*/	504	*/
655
656	object *	505	object *
657	arch_to_object (archetype * at)	506	arch_to_object (archetype *at)
658	{	507	{
659	object *	508	if (!at)
660	op;
661	if (at == NULL)
662	{	509	{
663	if (warn_archetypes)
664	LOG (llevError, "Couldn't find archetype.\n");	510	LOG (llevError, "Couldn't find archetype.\n");
665	return NULL;	511	return 0;
666	}	512	}
667	op = get_object ();	513
668	copy_object (&at->clone, op);	514	object *op = at->clone ();
		515	op->arch = at;
669	op->instantiate ();	516	op->instantiate ();
670	op->arch = at;	517
671	return op;	518	return op;
		519	}
		520
		521	object *
		522	archetype::instance ()
		523	{
		524	return arch_to_object (this);
672	}	525	}
673		526
674	/*	527	/*
675	* Creates an object. This function is called by get_archetype()	528	* Creates an object. This function is called by get_archetype()
676	* if it fails to find the appropriate archetype.	529	* if it fails to find the appropriate archetype.
677	* Thus get_archetype() will be guaranteed to always return	530	* Thus get_archetype() will be guaranteed to always return
678	* an object, and never NULL.	531	* an object, and never NULL.
679	*/	532	*/
680
681	object *	533	object *
682	create_singularity (const char *name)	534	create_singularity (const char *name)
683	{	535	{
684	object *	536	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
685	op;	537
686	char	538	if (!strcmp (name, "bug"))
		539	abort ();
		540
687	buf[MAX_BUF];	541	char buf[MAX_BUF];
688	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	542	sprintf (buf, "bug, please report (%s)", name);
689	op = get_object ();	543
		544	object *op = get_archetype ("bug");
690	op->name = op->name_pl = buf;	545	op->name = op->name_pl = buf;
691	SET_FLAG (op, FLAG_NO_PICK);	546
692	return op;	547	return op;
693	}	548	}
694		549
695	/*	550	/*
696	* Finds which archetype matches the given name, and returns a new	551	* Finds which archetype matches the given name, and returns a new
697	* object containing a copy of the archetype.	552	* object containing a copy of the archetype.
698	*/	553	*/
699
700	object *	554	object *
701	get_archetype (const char *name)	555	get_archetype (const char *name)
702	{	556	{
703	archetype *	557	archetype *at = archetype::find (name);
704	at;	558
705	at = find_archetype (name);	559	if (!at)
706	if (at == NULL)
707	return create_singularity (name);	560	return create_singularity (name);
		561
708	return arch_to_object (at);	562	return arch_to_object (at);
709	}
710
711	/*
712	* Hash-function used by the arch-hashtable.
713	*/
714
715	unsigned long
716	hasharch (const char *str, int tablesize)
717	{
718	unsigned long
719	hash = 0;
720	unsigned int
721	i = 0;
722	const char *
723	p;
724
725	/* use the one-at-a-time hash function, which supposedly is
726	* better than the djb2-like one used by perl5.005, but
727	* certainly is better then the bug used here before.
728	* see http://burtleburtle.net/bob/hash/doobs.html
729	*/
730	for (p = str; i < MAXSTRING && *p; p++, i++)
731	{
732	hash += *p;
733	hash += hash << 10;
734	hash ^= hash >> 6;
735	}
736
737	hash += hash << 3;
738	hash ^= hash >> 11;
739	hash += hash << 15;
740
741	return hash % tablesize;
742	}
743
744	/*
745	* Finds, using the hashtable, which archetype matches the given name.
746	* returns a pointer to the found archetype, otherwise NULL.
747	*/
748
749	archetype *
750	find_archetype (const char *name)
751	{
752	#if USE_UNORDERED_MAP
753	name = shstr::find (name);
754
755	if (!name)
756	return 0;
757
758	HT::const_iterator i = ht.find ((size_t)name);
759
760	if (i == ht.end ())
761	return 0;
762	else
763	return i->second;
764	#endif
765
766	archetype *at;
767	unsigned long index;
768
769	if (name == NULL)
770	return (archetype *) NULL;
771
772	index = hasharch (name, ARCHTABLE);
773	arch_search++;
774	for (;;)
775	{
776	at = arch_table[index];
777	if (at == NULL)
778	{
779	if (warn_archetypes)
780	LOG (llevError, "Couldn't find archetype %s\n", name);
781	return NULL;
782	}
783	arch_cmp++;
784	if (!strcmp ((const char *) at->name, name))
785	return at;
786	if (++index >= ARCHTABLE)
787	index = 0;
788	}
789	}
790
791	/*
792	* Adds an archetype to the hashtable.
793	*/
794
795	static void
796	add_arch (archetype *at)
797	{
798	#if USE_UNORDERED_MAP
799	ht.insert (std::make_pair ((size_t)(const char *)at->name, at));
800	#endif
801
802	int index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
803
804	for (;;)
805	{
806	if (arch_table[index] == NULL)
807	{
808	arch_table[index] = at;
809	return;
810	}
811
812	if (++index == ARCHTABLE)
813	index = 0;
814
815	if (index == org_index)
816	fatal (ARCHTABLE_TOO_SMALL);
817	}
818	}	563	}
819		564
820	/*	565	/*
821	* Returns the first archetype using the given type.	566	* Returns the first archetype using the given type.
822	* Used in treasure-generation.	567	* Used in treasure-generation.
823	*/	568	*/
824
825	archetype *	569	archetype *
826	type_to_archetype (int type)	570	type_to_archetype (int type)
827	{	571	{
828	archetype *	572	for_all_archetypes (at)
829	at;	573	if (at->type == type && at->head_ () != at)
830
831	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
832	if (at->clone.type == type)
833	return at;	574	return at;
		575
834	return NULL;	576	return 0;
835	}	577	}
836		578
837	/*	579	/*
838	* Returns a new object copied from the first archetype matching	580	* Returns a new object copied from the first archetype matching
839	* the given type.	581	* the given type.
840	* Used in treasure-generation.	582	* Used in treasure-generation.
841	*/	583	*/
842
843	object *	584	object *
844	clone_arch (int type)	585	clone_arch (int type)
845	{	586	{
846	archetype *	587	archetype *at;
847	at;
848	object *
849	op = get_object ();
850		588
851	if ((at = type_to_archetype (type)) == NULL)	589	if ((at = type_to_archetype (type)) == NULL)
852	{	590	{
853	LOG (llevError, "Can't clone archetype %d\n", type);	591	LOG (llevError, "Can't clone archetype %d\n", type);
854	free_object (op);
855	return NULL;	592	return 0;
856	}	593	}
857	copy_object (&at->clone, op);	594
		595	object *op = at->clone ();
858	op->instantiate ();	596	op->instantiate ();
859	return op;	597	return op;
860	}	598	}
861		599
862	/*	600	/*
863	* member: make instance from class	601	* member: make instance from class
864	*/	602	*/
865
866	object *	603	object *
867	object_create_arch (archetype * at)	604	object_create_arch (archetype *at)
868	{	605	{
869	object *	606	object op, prev = 0, *head = 0;
870	op, *
871	prev = NULL, *head = NULL;
872		607
873	while (at)	608	while (at)
874	{	609	{
875	op = arch_to_object (at);	610	op = arch_to_object (at);
		611
876	op->x = at->clone.x;	612	op->x = at->x;
877	op->y = at->clone.y;	613	op->y = at->y;
		614
878	if (head)	615	if (head)
879	op->head = head, prev->more = op;	616	op->head = head, prev->more = op;
		617
880	if (!head)	618	if (!head)
881	head = op;	619	head = op;
		620
882	prev = op;	621	prev = op;
883	at = at->more;	622	at = (archetype *)at->more;
884	}	623	}
		624
885	return (head);	625	return head;
886	}	626	}
887		627
888	/* end of arch.c */

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.13 by pippijn, Thu Sep 7 09:37:11 2006 UTC vs. Revision 1.70 by root, Tue Oct 16 00:30:24 2007 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.13 by pippijn, Thu Sep 7 09:37:11 2006 UTC vs.
Revision 1.70 by root, Tue Oct 16 00:30:24 2007 UTC