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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs.
Revision 1.67 by root, Sat Jun 9 21:16:12 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3		3	*
4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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	* Crossfire TRT is free software; you can redistribute it and/or modify it
9	it under the terms of the GNU General Public License as published by	9	* under the terms of the GNU General Public License as published by the Free
10	the Free Software Foundation; either version 2 of the License, or	10	* Software Foundation; either version 2 of the License, or (at your option)
11	(at your option) any later version.	11	* 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, but
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16	GNU General Public License for more details.	16	* for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License along
19	along with this program; if not, write to the Free Software	19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 <crossfire@schmorp.de>
23	*/	23	*/
24		24
25	#include <cassert>	25	#include <cassert>
26		26
27	#include <global.h>	27	#include <global.h>
28	#include <funcpoint.h>	28	#include <funcpoint.h>
29	#include <loader.h>	29	#include <loader.h>
30		30
31	#define USE_UNORDERED_MAP 0
32
33	#if USE_UNORDERED_MAP
34	# include <tr1/functional>	31	#include <tr1/functional>
35	# include <tr1/unordered_map>	32	#include <tr1/unordered_map>
36	#endif
37
38	int arch_cmp = 0; /* How many strcmp's */
39	int arch_search = 0; /* How many searches */
40	int arch_init; /* True if doing arch initialization */
41		33
42	/* The naming of these functions is really poor - they are all	34	/* The naming of these functions is really poor - they are all
43	* pretty much named '.._arch_...', but they may more may not	35	* pretty much named '.._arch_...', but they may more may not
44	* return archetypes. Some make the arch_to_object call, and thus	36	* return archetypes. Some make the arch_to_object call, and thus
45	* return an object. Perhaps those should be called 'archob' functions	37	* return an object. Perhaps those should be called 'archob' functions
46	* to denote they return an object derived from the archetype.	38	* to denote they return an object derived from the archetype.
47	* MSW 2003-04-29	39	* MSW 2003-04-29
48	*/	40	*/
49		41
50	#if USE_UNORDERED_MAP	42	bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
		43
51	// the hashtable	44	// the hashtable
52	typedef std::tr1::unordered_map	45	typedef std::tr1::unordered_map
53	<	46	<
54	std::size_t,	47	const char *,
55	arch_ptr,	48	arch_ptr,
56	std::tr1::hash<size_t>,	49	str_hash,
57	std::equal_to<size_t>,	50	str_equal,
58	slice_allocator< std::pair<const std::size_t, archetype *> >	51	slice_allocator< std::pair<const char *const, arch_ptr> >
59	true,
60	> HT;	52	> HT;
61		53
62	static HT ht;	54	static HT ht (5000);
63	#else	55	archvec archetypes;
64	static arch_ptr arch_table[ARCHTABLE];
65	#endif
66		56
67	/**	57	/**
68	* GROS - This function retrieves an archetype given the name that appears	58	* GROS - This function retrieves an archetype given the name that appears
69	* during the game (for example, "writing pen" instead of "stylus").	59	* during the game (for example, "writing pen" instead of "stylus").
70	* It does not use the hashtable system, but browse the whole archlist each time.	60	* It does not use the hashtable system, but browse the whole archlist each time.
76	* - the archetype found or null if nothing was found.	66	* - the archetype found or null if nothing was found.
77	*/	67	*/
78	archetype *	68	archetype *
79	find_archetype_by_object_name (const char *name)	69	find_archetype_by_object_name (const char *name)
80	{	70	{
81	archetype *at;	71	shstr_cmp name_cmp (name);
82		72
83	if (name == NULL)	73	for_all_archetypes (at)
84	return (archetype *) NULL;	74	if (at->name == name_cmp)
85
86	for (at = first_archetype; at != NULL; at = at->next)
87	{
88	if (!strcmp (at->clone.name, name))
89	return at;	75	return at;
90	}	76
91	return NULL;	77	return 0;
92	}	78	}
93		79
94	/**	80	/**
95	* This function retrieves an archetype by type and name that appears during	81	* This function retrieves an archetype by type and name that appears during
96	* the game. It is basically the same as find_archetype_by_object_name()	82	* the game. It is basically the same as find_archetype_by_object_name()
97	* except that it considers only items of the given type.	83	* except that it considers only items of the given type.
98	*/	84	*/
99	archetype *	85	archetype *
100	find_archetype_by_object_type_name (int type, const char *name)	86	find_archetype_by_object_type_name (int type, const char *name)
101	{	87	{
102	archetype *at;	88	shstr_cmp name_cmp (name);
103		89
104	if (name == NULL)	90	for_all_archetypes (at)
105	return NULL;	91	if (at->name == name_cmp && at->type == type)
106
107	for (at = first_archetype; at != NULL; at = at->next)
108	{
109	if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
110	return at;	92	return at;
111	}
112		93
113	return NULL;	94	return 0;
114	}	95	}
115		96
116	/* This is a lot like the above function. Instead, we are trying to match	97	/* This is a lot like the above function. Instead, we are trying to match
117	* the arch->skill values. type is the type of object to match	98	* the arch->skill values. type is the type of object to match
118	* against (eg, to only match against skills or only skill objects for example).	99	* against (eg, to only match against skills or only skill objects for example).
119	* If type is -1, ew don't match on type.	100	* If type is -1, ew don't match on type.
120	*/	101	*/
121	object *	102	object *
122	get_archetype_by_skill_name (const char *skill, int type)	103	get_archetype_by_skill_name (const char *skill, int type)
123	{	104	{
124	archetype *at;	105	shstr_cmp skill_cmp (skill);
125		106
126	if (skill)	107	for_all_archetypes (at)
127	for (at = first_archetype; at; at = at->next)	108	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
128	if (((type == -1) \|\| (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
129	return arch_to_object (at);	109	return arch_to_object (at);
130		110
131	return 0;	111	return 0;
132	}	112	}
133		113
134	/* similiar to above - this returns the first archetype	114	/* similiar to above - this returns the first archetype
…		…
139	* (eg, skills)	119	* (eg, skills)
140	*/	120	*/
141	archetype *	121	archetype *
142	get_archetype_by_type_subtype (int type, int subtype)	122	get_archetype_by_type_subtype (int type, int subtype)
143	{	123	{
144	archetype *	124	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))	125	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
150	return at;	126	return at;
151	}	127
152	return NULL;	128	return 0;
153	}	129	}
154		130
155	/**	131	/**
156	* GROS - this returns a new object given the name that appears during the game	132	* GROS - this returns a new object given the name that appears during the game
157	* (for example, "writing pen" instead of "stylus").	133	* (for example, "writing pen" instead of "stylus").
…		…
165	* but it otherwise had a big memory leak.	141	* but it otherwise had a big memory leak.
166	*/	142	*/
167	object *	143	object *
168	get_archetype_by_object_name (const char *name)	144	get_archetype_by_object_name (const char *name)
169	{	145	{
170	archetype *at;
171	char tmpname[MAX_BUF];	146	char tmpname[MAX_BUF];
172	int i;	147	int i;
173		148
174	assign (tmpname, name);	149	assign (tmpname, name);
175		150
176	for (i = strlen (tmpname); i > 0; i--)	151	for (i = strlen (tmpname); i > 0; i--)
177	{	152	{
178	tmpname[i] = 0;	153	tmpname[i] = 0;
		154
179	at = find_archetype_by_object_name (tmpname);	155	if (archetype *at = find_archetype_by_object_name (tmpname))
180
181	if (at)
182	return arch_to_object (at);	156	return arch_to_object (at);
183	}	157	}
184		158
185	return create_singularity (name);	159	return create_singularity (name);
186	}	160	}
187		161
188	/* This is a subset of the parse_id command. Basically, name can be	162	/* This is a subset of the parse_id command. Basically, name can be
189	* a string seperated lists of things to match, with certain keywords.	163	* a string seperated lists of things to match, with certain keywords.
190	* pl is the player (only needed to set count properly)	164	* pl is the player (only needed to set count properly)
191	* op is the item we are trying to match. Calling function takes care	165	* op is the item we are trying to match. Calling function takes care
192	* of what action might need to be done and if it is valid	166	* of what action might need to be done and if it is valid
193	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	167	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
194	* value means a better match. 0 means no match.	168	* value means a better match. 0 means no match.
195	*	169	*
196	* Brief outline of the procedure:	170	* Brief outline of the procedure:
197	* We take apart the name variable into the individual components.	171	* We take apart the name variable into the individual components.
198	* cases for 'all' and unpaid are pretty obvious.	172	* cases for 'all' and unpaid are pretty obvious.
199	* Next, we check for a count (either specified in name, or in the	173	* Next, we check for a count (either specified in name, or in the
200	* player object.)	174	* player object.)
201	* If count is 1, make a quick check on the name.	175	* If count is 1, make a quick check on the name.
202	* IF count is >1, we need to make plural name. Return if match.	176	* IF count is >1, we need to make plural name. Return if match.
203	* Last, make a check on the full name.	177	* Last, make a check on the full name.
204	*/	178	*/
205	int	179	int
206	item_matched_string (object pl, object op, const char *name)	180	item_matched_string (object pl, object op, const char *name)
207	{	181	{
208	char *cp, local_name[MAX_BUF];	182	char *cp, local_name[MAX_BUF];
209	int count, retval = 0;	183	int count, retval = 0;
210		184
211	strcpy (local_name, name); /* strtok is destructive to name */	185	assign (local_name, name); /* strtok is destructive to name */
212		186
213	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))	187	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
214	{	188	{
215	while (cp[0] == ' ')	189	while (cp[0] == ' ')
216	++cp; /* get rid of spaces */	190	++cp; /* get rid of spaces */
…		…
301	}	275	}
302		276
303	return 0;	277	return 0;
304	}	278	}
305		279
306	/*	280	archetype::archetype (const char *name)
307	* Initialises the internal linked list of archetypes (read from file).	281	{
308	* Then the global "empty_archetype" pointer is initialised.	282	stub = true;
309	* Then the blocksview[] array is initialised.	283	arch = this;
310	*/	284	this->archname = this->name = this->name_pl = name;
		285	}
		286
		287	archetype::~archetype ()
		288	{
		289	unlink ();
		290	}
311		291
312	void	292	void
313	init_archetypes (void)	293	archetype::link ()
314	{ /* called from add_player() and edit() */	294	{
315	if (first_archetype != NULL) /* Only do this once */	295	ht.insert (std::make_pair (archname, this));
		296
		297	if (!archetypes.contains (this))
		298	archetypes.insert (this);
		299	}
		300
		301	void
		302	archetype::unlink ()
		303	{
		304	ht.erase (archname);
		305	if (!strcmp (&archname, "Gaea")) fprintf (stderr, "oI\n");//D
		306	if (archetypes.contains (this))
		307	archetypes.erase (this);
		308	}
		309
		310	/*
		311	* Finds, using the hashtable, which archetype matches the given name.
		312	* returns a pointer to the found archetype, otherwise NULL.
		313	*/
		314	archetype *
		315	archetype::find (const char *name)
		316	{
		317	if (!name)
316	return;	318	return 0;
317		319
318	arch_init = 1;	320	auto (i, ht.find (name));
319	load_archetypes ();	321
320	arch_init = 0;	322	if (i == ht.end ())
		323	return 0;
		324	else
		325	return i->second;
		326	}
		327
		328	archetype *
		329	archetype::get (const char *name)
		330	{
		331	if (!name)
		332	{
		333	LOG (llevError, "null archetype requested\n");
		334	name = "(null)";
		335	}
		336
		337	archetype *at = find (name);
		338
		339	if (!at)
		340	{
		341	at = new archetype (name);
		342	at->link ();
		343	}
		344
		345	return at;
		346	}
		347
		348	archetype *
		349	archetype::read (object_thawer &f)
		350	{
		351	assert (f.kw == KW_object);
		352
		353	loading_arch = true; // hack to tell parse_kv et al. to behave
		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	if (!at->parse_kv (f))
		388	goto fail;
		389
		390	at->post_load_check ();
		391
		392	parts.push_back (at);
		393
		394	if (f.kw != KW_more)
		395	break;
		396
		397	f.next ();
		398
		399	if (f.kw != KW_object)
		400	{
		401	f.parse_error ("more object");
		402	goto fail;
		403	}
		404	}
		405
		406	loading_arch = false;
		407
		408	{
		409	auto (at, parts.begin ());
		410
		411	archetype *new_head = parts.front ();
		412	archetype *old_head = find (new_head->archname);
		413
		414	if (old_head && !old_head->is_head ())
		415	{
		416	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		417	&new_head->archname, &old_head->archname);
		418	goto fail;
		419	}
		420
		421	// check that all archetypes belong to the same old object or are new
		422	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		423	{
		424	archetype new_part = at;
		425	archetype *old_part = find (new_part->archname);
		426
		427	if (old_part && old_part->head_ () != old_head)
		428	{
		429	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		430	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		431	goto fail;
		432	}
		433	}
		434
		435	// deactivate existing archetype
		436	for (archetype at = old_head; at; at = (archetype )at->more)
		437	at->unlink ();
		438
		439	// assemble new chain
		440	new_head->min_x = new_head->max_x = new_head->x;
		441	new_head->min_y = new_head->max_y = new_head->y;
		442
		443	archetype *less = new_head;
		444	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		445	{
		446	archetype at = p;
		447
		448	// some flags get inherited formt he head (probably a lot more)
		449	// doing it here doesn't feel too cozy, but it allows code
		450	// to ignore head checks for these flags, which saves time
		451	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		452	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		453	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		454	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		455
		456	if (at->x < new_head->min_x) new_head->min_x = at->x;
		457	if (at->y < new_head->min_y) new_head->min_y = at->y;
		458	if (at->x > new_head->max_x) new_head->max_x = at->x;
		459	if (at->y > new_head->max_y) new_head->max_y = at->y;
		460
		461	at->head = new_head;
		462	less->more = at;
		463	less = at;
		464	}
		465
		466	// now activate it
		467	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		468	{
		469	archetype at = p;
		470	at->stub = false;
		471	at->link ();
		472	}
		473
		474	return new_head;
		475	}
		476
		477	fail:
		478	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		479	(*p)->destroy (true);
		480
		481	loading_arch = false;
		482	return 0;
		483	}
		484
		485	/*
		486	* Initialize global archtype pointers:
		487	*/
		488	void
		489	init_archetype_pointers ()
		490	{
		491	ring_arch = archetype::find ("ring");
		492	amulet_arch = archetype::find ("amulet");
		493	staff_arch = archetype::find ("staff");
		494	crown_arch = archetype::find ("crown");
321	empty_archetype = archetype::find ("empty_archetype");	495	empty_archetype = archetype::find ("empty_archetype");
322
323	/* init_blocksview();*/
324	}
325
326	/*
327	* Stores debug-information about how efficient the hashtable
328	* used for archetypes has been in the static errmsg array.
329	*/
330
331	void
332	arch_info (object *op)
333	{
334	sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp);
335	new_draw_info (NDI_BLACK, 0, op, errmsg);
336	}
337
338	/*
339	* Initialise the hashtable used by the archetypes.
340	*/
341
342	void
343	clear_archetable (void)
344	{
345	memset ((void ) arch_table, 0, ARCHTABLE sizeof (archetype *));
346	}
347
348	/*
349	* An alternative way to init the hashtable which is slower, but _works_...
350	*/
351
352	void
353	init_archetable (void)
354	{
355	archetype *at;
356
357	LOG (llevDebug, " Setting up archetable...\n");
358
359	for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
360	at->hash_add ();
361
362	LOG (llevDebug, "done\n");
363	}
364
365	void
366	free_all_archs (void)
367	{
368	archetype at, next;
369	int i = 0, f = 0;
370
371	for (at = first_archetype; at != NULL; at = next)
372	{
373	if (at->more)
374	next = at->more;
375	else
376	next = at->next;
377
378	delete
379	at;
380
381	i++;
382	}
383
384	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
385	}
386
387	archetype::archetype ()
388	{
389	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
390	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
391	}
392
393	archetype::~archetype ()
394	{
395	}
396
397	/*
398	* Reads/parses the archetype-file, and copies into a linked list
399	* of archetype-structures.
400	*/
401	void
402	first_arch_pass (object_thawer & fp)
403	{
404	archetype head = 0, last_more = 0;
405
406	archetype *at = new archetype;
407	at->clone.arch = first_archetype = at;
408
409	while (int i = load_object (fp, &at->clone, 0))
410	{
411	at->clone.speed_left = (float) (-0.1);
412	/* copy the body_info to the body_used - this is only really
413	* need for monsters, but doesn't hurt to do it for everything.
414	* by doing so, when a monster is created, it has good starting
415	* values for the body_used info, so when items are created
416	* for it, they can be properly equipped.
417	*/
418	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
419
420	switch (i)
421	{
422	case LL_NORMAL: /* A new archetype, just link it with the previous */
423	if (last_more != NULL)
424	last_more->next = at;
425	if (head != NULL)
426	head->next = at;
427	head = last_more = at;
428	#if 0
429	if (!op->type)
430	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
431	#endif
432	at->tail_x = 0;
433	at->tail_y = 0;
434	break;
435
436	case LL_MORE: /* Another part of the previous archetype, link it correctly */
437
438	at->head = head;
439	at->clone.head = &head->clone;
440	if (last_more != NULL)
441	{
442	last_more->more = at;
443	last_more->clone.more = &at->clone;
444	}
445	last_more = at;
446
447	/* If this multipart image is still composed of individual small
448	* images, don't set the tail_.. values. We can't use them anyways,
449	* and setting these to zero makes the map sending to the client much
450	* easier as just looking at the head, we know what to do.
451	*/
452	if (at->clone.face != head->clone.face)
453	{
454	head->tail_x = 0;
455	head->tail_y = 0;
456	}
457	else
458	{
459	if (at->clone.x > head->tail_x)
460	head->tail_x = at->clone.x;
461	if (at->clone.y > head->tail_y)
462	head->tail_y = at->clone.y;
463	}
464	break;
465
466	}
467
468	at = new archetype;
469
470	at->clone.arch = at;
471	}
472
473	delete at;
474	}
475
476	/*
477	* Reads the archetype file once more, and links all pointers between
478	* archetypes.
479	*/
480
481	void
482	second_arch_pass (object_thawer & thawer)
483	{
484	char buf[MAX_BUF], variable = buf, argument, *cp;
485	archetype at = NULL, other;
486
487	while (fgets (buf, MAX_BUF, thawer) != NULL)
488	{
489	if (*buf == '#')
490	continue;
491	if ((argument = strchr (buf, ' ')) != NULL)
492	{
493	*argument = '\0', argument++;
494	cp = argument + strlen (argument) - 1;
495	while (isspace (*cp))
496	{
497	*cp = '\0';
498	cp--;
499	}
500	}
501	if (!strcmp ("Object", variable))
502	{
503	if ((at = archetype::find (argument)) == NULL)
504	LOG (llevError, "Warning: failed to find arch %s\n", argument);
505	}
506	else if (!strcmp ("other_arch", variable))
507	{
508	if (at != NULL && at->clone.other_arch == NULL)
509	{
510	if ((other = archetype::find (argument)) == NULL)
511	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
512	else if (at != NULL)
513	at->clone.other_arch = other;
514	}
515	}
516	else if (!strcmp ("randomitems", variable))
517	{
518	if (at != NULL)
519	{
520	treasurelist *tl = find_treasurelist (argument);
521
522	if (tl == NULL)
523	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
524	else
525	at->clone.randomitems = tl;
526	}
527	}
528	}
529	}
530
531	#ifdef DEBUG
532	void
533	check_generators (void)
534	{
535	archetype *at;
536
537	for (at = first_archetype; at != NULL; at = at->next)
538	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
539	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
540	}
541	#endif
542
543	/*
544	* First initialises the archtype hash-table (init_archetable()).
545	* Reads and parses the archetype file (with the first and second-pass
546	* functions).
547	* Then initialises treasures by calling load_treasures().
548	*/
549
550	void
551	load_archetypes (void)
552	{
553	char filename[MAX_BUF];
554
555	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
556	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
557
558	{
559	object_thawer
560	thawer (filename);
561
562	clear_archetable ();
563	LOG (llevDebug, " arch-pass 1...\n");
564	first_arch_pass (thawer);
565	LOG (llevDebug, " done\n");
566	}
567
568	init_archetable ();
569	warn_archetypes = 1;
570
571	{
572	object_thawer
573	thawer (filename);
574
575	LOG (llevDebug, " loading treasure...\n");
576	load_treasures ();
577	LOG (llevDebug, " done\n");
578	LOG (llevDebug, " arch-pass 2...\n");
579	second_arch_pass (thawer);
580	LOG (llevDebug, " done\n");
581	#ifdef DEBUG
582	check_generators ();
583	#endif
584	}
585	LOG (llevDebug, " done\n");
586	}	496	}
587		497
588	/*	498	/*
589	* Creates and returns a new object which is a copy of the given archetype.	499	* Creates and returns a new object which is a copy of the given archetype.
590	* This function returns NULL on failure.	500	* This function returns NULL on failure.
591	*/	501	*/
592	object *	502	object *
593	arch_to_object (archetype *at)	503	arch_to_object (archetype *at)
594	{	504	{
595	object *op;	505	if (!at)
596
597	if (at == NULL)
598	{	506	{
599	if (warn_archetypes)
600	LOG (llevError, "Couldn't find archetype.\n");	507	LOG (llevError, "Couldn't find archetype.\n");
601
602	return NULL;	508	return 0;
603	}	509	}
604		510
605	op = at->clone.clone ();	511	object *op = at->clone ();
606	op->arch = at;	512	op->arch = at;
607	op->instantiate ();	513	op->instantiate ();
		514
608	return op;	515	return op;
609	}	516	}
610		517
611	/*	518	/*
612	* Creates an object. This function is called by get_archetype()	519	* Creates an object. This function is called by get_archetype()
…		…
615	* an object, and never NULL.	522	* an object, and never NULL.
616	*/	523	*/
617	object *	524	object *
618	create_singularity (const char *name)	525	create_singularity (const char *name)
619	{	526	{
620	object *op;	527	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
		528
		529	if (!strcmp (name, "bug"))
		530	abort ();
		531
621	char buf[MAX_BUF];	532	char buf[MAX_BUF];
		533	sprintf (buf, "bug, please report (%s)", name);
622		534
623	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);	535	object *op = get_archetype ("bug");
624	op = object::create ();
625	op->name = op->name_pl = buf;	536	op->name = op->name_pl = buf;
626	SET_FLAG (op, FLAG_NO_PICK);	537
627	return op;	538	return op;
628	}	539	}
629		540
630	/*	541	/*
631	* Finds which archetype matches the given name, and returns a new	542	* Finds which archetype matches the given name, and returns a new
…		…
641		552
642	return arch_to_object (at);	553	return arch_to_object (at);
643	}	554	}
644		555
645	/*	556	/*
646	* Hash-function used by the arch-hashtable.
647	*/
648
649	unsigned long
650	hasharch (const char *str, int tablesize)
651	{
652	unsigned long hash = 0;
653	unsigned int i = 0;
654	const char *p;
655
656	/* use the one-at-a-time hash function, which supposedly is
657	* better than the djb2-like one used by perl5.005, but
658	* certainly is better then the bug used here before.
659	* see http://burtleburtle.net/bob/hash/doobs.html
660	*/
661	for (p = str; i < MAXSTRING && *p; p++, i++)
662	{
663	hash += *p;
664	hash += hash << 10;
665	hash ^= hash >> 6;
666	}
667
668	hash += hash << 3;
669	hash ^= hash >> 11;
670	hash += hash << 15;
671
672	return hash % tablesize;
673	}
674
675	/*
676	* Finds, using the hashtable, which archetype matches the given name.
677	* returns a pointer to the found archetype, otherwise NULL.
678	*/
679
680	archetype *
681	archetype::find (const char *name)
682	{
683	if (!name)
684	return 0;
685
686	#if USE_UNORDERED_MAP
687	AUTODECL (i, ht.find ((size_t) name));
688
689	if (i == ht.end ())
690	return 0;
691	else
692	return i->second;
693	#endif
694
695	archetype *at;
696	unsigned long index;
697
698	index = hasharch (name, ARCHTABLE);
699	arch_search++;
700	for (;;)
701	{
702	at = arch_table[index];
703
704	if (at == NULL)
705	{
706	if (warn_archetypes)
707	LOG (llevError, "Couldn't find archetype %s\n", name);
708
709	return NULL;
710	}
711
712	arch_cmp++;
713
714	if (!strcmp ((const char *) at->name, name))
715	return at;
716
717	if (++index >= ARCHTABLE)
718	index = 0;
719	}
720	}
721
722	/*
723	* Adds an archetype to the hashtable.
724	*/
725	void
726	archetype::hash_add ()
727	{
728	#if USE_UNORDERED_MAP
729	ht.insert (std::make_pair ((size_t) (const char *) name, this));
730	#else
731
732	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
733
734	for (;;)
735	{
736	if (!arch_table[index])
737	{
738	arch_table[index] = this;
739	break;
740	}
741
742	if (++index == ARCHTABLE)
743	index = 0;
744
745	if (index == org_index)
746	fatal (ARCHTABLE_TOO_SMALL);
747	}
748	#endif
749	}
750
751	void
752	archetype::hash_del ()
753	{
754	#if USE_UNORDERED_MAP
755	# error remove this from HT
756	#else
757
758	int index = hasharch ((const char *) name, ARCHTABLE), org_index = index;
759
760	for (;;)
761	{
762	if (arch_table[index] == this)
763	{
764	arch_table[index] = 0;
765	break;
766	}
767
768	if (++index == ARCHTABLE)
769	index = 0;
770
771	if (index == org_index)
772	break;
773	}
774	#endif
775	}
776
777	/*
778	* Returns the first archetype using the given type.	557	* Returns the first archetype using the given type.
779	* Used in treasure-generation.	558	* Used in treasure-generation.
780	*/	559	*/
781
782	archetype *	560	archetype *
783	type_to_archetype (int type)	561	type_to_archetype (int type)
784	{	562	{
785	archetype *at;	563	for_all_archetypes (at)
786		564	if (at->type == type && at->head_ () != at)
787	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
788	if (at->clone.type == type)
789	return at;	565	return at;
790		566
791	return 0;	567	return 0;
792	}	568	}
793		569
794	/*	570	/*
795	* Returns a new object copied from the first archetype matching	571	* Returns a new object copied from the first archetype matching
796	* the given type.	572	* the given type.
797	* Used in treasure-generation.	573	* Used in treasure-generation.
798	*/	574	*/
799
800	object *	575	object *
801	clone_arch (int type)	576	clone_arch (int type)
802	{	577	{
803	archetype *at;	578	archetype *at;
804		579
…		…
806	{	581	{
807	LOG (llevError, "Can't clone archetype %d\n", type);	582	LOG (llevError, "Can't clone archetype %d\n", type);
808	return 0;	583	return 0;
809	}	584	}
810		585
811	object *op = at->clone.clone ();	586	object *op = at->clone ();
812	op->instantiate ();	587	op->instantiate ();
813	return op;	588	return op;
814	}	589	}
815		590
816	/*	591	/*
817	* member: make instance from class	592	* member: make instance from class
818	*/	593	*/
819
820	object *	594	object *
821	object_create_arch (archetype *at)	595	object_create_arch (archetype *at)
822	{	596	{
823	object op, prev = 0, *head = 0;	597	object op, prev = 0, *head = 0;
824		598
825	while (at)	599	while (at)
826	{	600	{
827	op = arch_to_object (at);	601	op = arch_to_object (at);
		602
828	op->x = at->clone.x;	603	op->x = at->x;
829	op->y = at->clone.y;	604	op->y = at->y;
830		605
831	if (head)	606	if (head)
832	op->head = head, prev->more = op;	607	op->head = head, prev->more = op;
833		608
834	if (!head)	609	if (!head)
835	head = op;	610	head = op;
836		611
837	prev = op;	612	prev = op;
838	at = at->more;	613	at = (archetype *)at->more;
839	}	614	}
840		615
841	return (head);	616	return head;
842	}	617	}
843		618

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs. Revision 1.67 by root, Sat Jun 9 21:16:12 2007 UTC

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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:28 2007 UTC vs.
Revision 1.67 by root, Sat Jun 9 21:16:12 2007 UTC