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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.9 by root, Wed Aug 30 11:02:15 2006 UTC vs.
Revision 1.86 by root, Sun Oct 5 14:54:05 2008 UTC

…		…
1	/*	1	/*
2	* static char *rcsid_arch_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	* "$Id: arch.C,v 1.9 2006/08/30 11:02:15 root Exp $";	3	*
4	*/	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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	* Deliantra 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 <support@deliantra.net>
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/	22	*/
		23
		24	#include <cassert>
28		25
29	#include <global.h>	26	#include <global.h>
30	#include <arch.h>
31	#include <funcpoint.h>
32	#include <loader.h>	27	#include <loader.h>
33		28
34	#include <cassert>	29	#include <tr1/functional>
		30	#include <tr1/unordered_map>
35		31
36	/* IF set, does a little timing on the archetype load. */	32	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
37	#define TIME_ARCH_LOAD 0	33	arch_ptr archetype::empty;
38		34
39	static void add_arch(archetype *at);	35	// the hashtable
		36	typedef std::tr1::unordered_map
		37	<
		38	const char *,
		39	arch_ptr,
		40	str_hash,
		41	str_equal,
		42	slice_allocator< std::pair<const char *const, arch_ptr> >
		43	> HT;
40		44
41	static archetype *arch_table[ARCHTABLE];	45	static HT ht (10000);
42	int arch_cmp=0; /* How many strcmp's */	46	archvec archetypes;
43	int arch_search=0; /* How many searches */	47	static unordered_vector<archetype *> allarch;
44	int arch_init; /* True if doing arch initialization */	48	static int dirtycnt;
45		49
46	/* The naming of these functions is really poor - they are all	50	// the vector of other_arch references to be resolved
47	* pretty much named '.._arch_...', but they may more may not	51	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
48	* return archetypes. Some make the arch_to_object call, and thus	52	// the vector of loaded but not yet committed archetypes
49	* return an object. Perhaps those should be called 'archob' functions	53	static std::vector<archetype *> postponed_arch;
50	* to denote they return an object derived from the archetype.
51	* MSW 2003-04-29
52	*/
53		54
54	/**	55	/**
55	* GROS - This function retrieves an archetype given the name that appears	56	* GROS - This function retrieves an archetype given the name that appears
56	* during the game (for example, "writing pen" instead of "stylus").	57	* during the game (for example, "writing pen" instead of "stylus").
57	* It does not use the hashtable system, but browse the whole archlist each time.	58	* It does not use the hashtable system, but browse the whole archlist each time.
60	* Params:	61	* Params:
61	* - name: the name we're searching for (ex: "writing pen");	62	* - name: the name we're searching for (ex: "writing pen");
62	* Return value:	63	* Return value:
63	* - the archetype found or null if nothing was found.	64	* - the archetype found or null if nothing was found.
64	*/	65	*/
		66	archetype *
65	archetype find_archetype_by_object_name(const char name) {	67	find_archetype_by_object_name (const char *name)
66	archetype *at;	68	{
		69	shstr_cmp name_cmp (name);
67		70
68	if (name == NULL)	71	for_all_archetypes (at)
69	return (archetype *) NULL;	72	if (at->name == name_cmp)
70
71	for(at = first_archetype;at!=NULL;at=at->next) {
72	if (!strcmp(at->clone.name, name))
73	return at;	73	return at;
74	}	74
75	return NULL;	75	return 0;
76	}	76	}
77		77
78	/**	78	/**
79	* This function retrieves an archetype by type and name that appears during	79	* This function retrieves an archetype by type and name that appears during
80	* the game. It is basically the same as find_archetype_by_object_name()	80	* the game. It is basically the same as find_archetype_by_object_name()
81	* except that it considers only items of the given type.	81	* except that it considers only items of the given type.
82	*/	82	*/
		83	archetype *
83	archetype find_archetype_by_object_type_name(int type, const char name) {	84	find_archetype_by_object_type_name (int type, const char *name)
84	archetype *at;	85	{
		86	shstr_cmp name_cmp (name);
85		87
86	if (name == NULL)	88	for_all_archetypes (at)
87	return NULL;	89	if (at->name == name_cmp && at->type == type)
88
89	for (at = first_archetype; at != NULL; at = at->next) {
90	if (at->clone.type == type && strcmp(at->clone.name, name) == 0)
91	return at;	90	return at;
92	}
93		91
94	return NULL;	92	return 0;
95	}	93	}
96		94
97	/* This is a lot like the above function. Instead, we are trying to match	95	/* This is a lot like the above function. Instead, we are trying to match
98	* the arch->skill values. type is the type of object to match	96	* the arch->skill values. type is the type of object to match
99	* against (eg, to only match against skills or only skill objects for example).	97	* against (eg, to only match against skills or only skill objects for example).
100	* If type is -1, ew don't match on type.	98	* If type is -1, ew don't match on type.
101	*/	99	*/
		100	object *
102	object get_archetype_by_skill_name(const char skill, int type) {	101	get_archetype_by_skill_name (const char *skill, int type)
103	archetype *at;	102	{
		103	shstr_cmp skill_cmp (skill);
104		104
105	if (skill == NULL)	105	for_all_archetypes (at)
106	return NULL;	106	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
		107	return at->instance ();
107		108
108	for(at = first_archetype;at!=NULL;at=at->next) {	109	return 0;
109	if ( ((type == -1) \|\| (type == at->clone.type)) &&
110	(!strcmp(at->clone.skill, skill)))
111	return arch_to_object(at);
112	}
113	return NULL;
114	}	110	}
115		111
116	/* similiar to above - this returns the first archetype	112	/* similiar to above - this returns the first archetype
117	* that matches both the type and subtype. type and subtype	113	* that matches both the type and subtype. type and subtype
118	* can be -1 to say ignore, but in this case, the match it does	114	* can be -1 to say ignore, but in this case, the match it does
119	* may not be very useful. This function is most useful when	115	* may not be very useful. This function is most useful when
120	* subtypes are known to be unique for a particular type	116	* subtypes are known to be unique for a particular type
121	* (eg, skills)	117	* (eg, skills)
122	*/	118	*/
		119	archetype *
123	archetype *get_archetype_by_type_subtype(int type, int subtype) {	120	get_archetype_by_type_subtype (int type, int subtype)
124	archetype *at;	121	{
125		122	for_all_archetypes (at)
126	for(at = first_archetype;at!=NULL;at=at->next) {	123	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
127	if ( ((type == -1) \|\| (type == at->clone.type)) &&
128	(subtype == -1 \|\| subtype == at->clone.subtype))
129	return at;	124	return at;
130	}	125
131	return NULL;	126	return 0;
132	}	127	}
133		128
134	/**	129	/**
135	* GROS - this returns a new object given the name that appears during the game	130	* GROS - this returns a new object given the name that appears during the game
136	* (for example, "writing pen" instead of "stylus").	131	* (for example, "writing pen" instead of "stylus").
…		…
138	* - name: The name we're searching for (ex: "writing pen");	133	* - name: The name we're searching for (ex: "writing pen");
139	* Return value:	134	* Return value:
140	* - a corresponding object if found; a singularity object if not found.	135	* - a corresponding object if found; a singularity object if not found.
141	* Note by MSW - it appears that it takes the full name and keeps	136	* Note by MSW - it appears that it takes the full name and keeps
142	* shortening it until it finds a match. I re-wrote this so that it	137	* shortening it until it finds a match. I re-wrote this so that it
143	* doesn't malloc it each time - not that this function is used much,	138	* doesn't allocate it each time - not that this function is used much,
144	* but it otherwise had a big memory leak.	139	* but it otherwise had a big memory leak.
145	*/	140	*/
		141	object *
146	object get_archetype_by_object_name(const char name) {	142	get_archetype_by_object_name (const char *name)
147	archetype *at;	143	{
148	char tmpname[MAX_BUF];	144	char tmpname[MAX_BUF];
149	int i;	145	int i;
150		146
151	strncpy(tmpname,name,MAX_BUF-1);	147	assign (tmpname, name);
152	tmpname[MAX_BUF-1] = 0;	148
153	for(i=strlen(tmpname); i>0; i--) {	149	for (i = strlen (tmpname); i > 0; i--)
		150	{
154	tmpname[i] = 0;	151	tmpname[i] = 0;
		152
155	at = find_archetype_by_object_name(tmpname);	153	if (archetype *at = find_archetype_by_object_name (tmpname))
156	if (at !=NULL)	154	return at->instance ();
		155	}
		156
		157	return create_singularity (name);
		158	}
		159
		160	/* This is a subset of the parse_id command. Basically, name can be
		161	* a string seperated lists of things to match, with certain keywords.
		162	* pl is the player (only needed to set count properly)
		163	* op is the item we are trying to match. Calling function takes care
		164	* of what action might need to be done and if it is valid
		165	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
		166	* value means a better match. 0 means no match.
		167	*
		168	* Brief outline of the procedure:
		169	* We take apart the name variable into the individual components.
		170	* cases for 'all' and unpaid are pretty obvious.
		171	* Next, we check for a count (either specified in name, or in the
		172	* player object.)
		173	* If count is 1, make a quick check on the name.
		174	* IF count is >1, we need to make plural name. Return if match.
		175	* Last, make a check on the full name.
		176	*/
		177	int
		178	item_matched_string (object pl, object op, const char *name)
		179	{
		180	char *cp, local_name[MAX_BUF];
		181	int count, retval = 0;
		182
		183	assign (local_name, name); /* strtok is destructive to name */
		184
		185	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
		186	{
		187	while (cp[0] == ' ')
		188	++cp; /* get rid of spaces */
		189
		190	/* LOG(llevDebug,"Trying to match %s\n", cp); */
		191	/* All is a very generic match - low match value */
		192	if (!strcmp (cp, "all"))
		193	return 1;
		194
		195	/* unpaid is a little more specific */
		196	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
		197	return 2;
		198	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))
		199	return 2;
		200
		201	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
		202	return 2;
		203
		204	/* Allow for things like '100 arrows' */
		205	if ((count = atoi (cp)) != 0)
157	{	206	{
158	return arch_to_object(at);	207	cp = strchr (cp, ' ');
		208	while (cp && cp[0] == ' ')
		209	++cp; /* get rid of spaces */
159	}	210	}
160	}	211	else
161	return create_singularity(name);	212	{
162	}	213	if (pl->type == PLAYER)
163		214	count = pl->contr->count;
164	/* This is a subset of the parse_id command. Basically, name can be	215	else
165	* a string seperated lists of things to match, with certain keywords.	216	count = 0;
166	* pl is the player (only needed to set count properly)
167	* op is the item we are trying to match. Calling function takes care
168	* of what action might need to be done and if it is valid
169	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
170	* value means a better match. 0 means no match.
171	*
172	* Brief outline of the procedure:
173	* We take apart the name variable into the individual components.
174	* cases for 'all' and unpaid are pretty obvious.
175	* Next, we check for a count (either specified in name, or in the
176	* player object.)
177	* If count is 1, make a quick check on the name.
178	* IF count is >1, we need to make plural name. Return if match.
179	* Last, make a check on the full name.
180	*/
181	int item_matched_string(object pl, object op, const char *name)
182	{
183	char *cp, local_name[MAX_BUF];
184	int count,retval=0;
185	strcpy(local_name, name); /* strtok is destructive to name */
186
187	for (cp=strtok(local_name,","); cp; cp=strtok(NULL,",")) {
188	while (cp[0]==' ') ++cp; /* get rid of spaces */
189
190	/* LOG(llevDebug,"Trying to match %s\n", cp);*/
191	/* All is a very generic match - low match value */
192	if (!strcmp(cp,"all")) return 1;
193
194	/* unpaid is a little more specific */
195	if (!strcmp(cp,"unpaid") && QUERY_FLAG(op,FLAG_UNPAID)) return 2;
196	if (!strcmp(cp,"cursed") && QUERY_FLAG(op,FLAG_KNOWN_CURSED) &&
197	(QUERY_FLAG(op,FLAG_CURSED) \|\|QUERY_FLAG(op,FLAG_DAMNED)))
198	return 2;
199
200	if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED))
201	return 2;
202
203	/* Allow for things like '100 arrows' */
204	if ((count=atoi(cp))!=0) {
205	cp=strchr(cp, ' ');
206	while (cp && cp[0]==' ') ++cp; /* get rid of spaces */
207	}	217	}
		218
		219	if (!cp \|\| cp[0] == '\0' \|\| count < 0)
		220	return 0;
		221
		222
		223	/* The code here should go from highest retval to lowest. That
		224	* is because of the 'else' handling - we don't want to match on
		225	* something and set a low retval, even though it may match a higher retcal
		226	* later. So keep it in descending order here, so we try for the best
		227	* match first, and work downward.
		228	*/
		229	if (!strcasecmp (cp, query_name (op)))
		230	retval = 20;
		231	else if (!strcasecmp (cp, query_short_name (op)))
		232	retval = 18;
		233	else if (!strcasecmp (cp, query_base_name (op, 0)))
		234	retval = 16;
		235	else if (!strcasecmp (cp, query_base_name (op, 1)))
		236	retval = 16;
		237	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
		238	retval = 15;
		239	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
		240	retval = 14;
		241	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
		242	retval = 14;
		243	/* Do substring checks, so things like 'Str+1' will match.
		244	* retval of these should perhaps be lower - they are lower
		245	* then the specific strcasecmp aboves, but still higher than
		246	* some other match criteria.
		247	*/
		248	else if (strstr (query_base_name (op, 1), cp))
		249	retval = 12;
		250	else if (strstr (query_base_name (op, 0), cp))
		251	retval = 12;
		252	else if (strstr (query_short_name (op), cp))
		253	retval = 12;
		254	/* Check against plural/non plural based on count. */
		255	else if (count > 1 && !strcasecmp (cp, op->name_pl))
		256	retval = 6;
		257	else if (count == 1 && !strcasecmp (op->name, cp))
		258	retval = 6;
		259	/* base name matched - not bad */
		260	else if (strcasecmp (cp, op->name) == 0 && !count)
		261	retval = 4;
		262	/* Check for partial custom name, but give a real low priority */
		263	else if (op->custom_name && strstr (op->custom_name, cp))
		264	retval = 3;
		265
		266	if (retval)
208	else {	267	{
209	if (pl->type==PLAYER)	268	if (pl->type == PLAYER)
210	count=pl->contr->count;	269	pl->contr->count = count;
211	else	270
212	count = 0;	271	return retval;
213	}	272	}
		273	}
214		274
215	if (!cp \|\| cp[0]=='\0' \|\| count<0) return 0;	275	return 0;
		276	}
216		277
		278	archetype::archetype (const char *name)
		279	{
		280	arch = this;
		281	this->archname = this->name = this->name_pl = name;
		282	}
217		283
218	/* The code here should go from highest retval to lowest. That	284	archetype::~archetype ()
219	* is because of the 'else' handling - we don't want to match on	285	{
220	* something and set a low retval, even though it may match a higher retcal	286	unlink ();
221	* later. So keep it in descending order here, so we try for the best	287	}
222	* match first, and work downward.	288
		289	void
		290	archetype::link ()
		291	{
		292	if (!archetypes.contains (this))
		293	{
		294	archetypes.insert (this);
		295	ht.insert (std::make_pair (archname, this));
		296	}
		297	}
		298
		299	void
		300	archetype::unlink ()
		301	{
		302	if (archetypes.contains (this))
		303	{
		304	archetypes.erase (this);
		305	ht.erase (archname);
		306	}
		307	}
		308
		309	/*
		310	* Finds, using the hashtable, which archetype matches the given name.
		311	* returns a pointer to the found archetype, otherwise NULL.
		312	*/
		313	archetype *
		314	archetype::find (const char *name)
		315	{
		316	if (!name)
		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::read (object_thawer &f)
		329	{
		330	assert (f.kw == KW_object);
		331
		332	std::vector<archetype *> parts;
		333
		334	coroapi::cede_to_tick ();
		335
		336	for (;;)
		337	{
		338	archetype *at = new archetype (f.get_str ());
		339
		340	f.next ();
		341
		342	#if 0
		343	// implementing it here in the server does neither allow multiple inheritence
		344	// nor does it cleanly "just override". it would allow use in map files, though,
		345	// and other resource files dynamically laoded (as opposed to being preprocessed).
		346	// not that any of this is relevant as of yet...
		347	if (f.kw == KW_inherit)
223	*/	348	{
224	if (!strcasecmp(cp,query_name(op))) retval=20;	349	if (archetype *at = find (f.get_str ()))
225	else if (!strcasecmp(cp,query_short_name(op))) retval=18;	350	*op = at->clone;
226	else if (!strcasecmp(cp,query_base_name(op,0))) retval=16;	351	else
227	else if (!strcasecmp(cp,query_base_name(op,1))) retval=16;	352	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
228	else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15;	353	&at->archname, f.get_str ());
229	else if (!strncasecmp(cp,query_base_name(op,0),
230	strlen(cp))) retval=14;
231	else if (!strncasecmp(cp,query_base_name(op,1),
232	strlen(cp))) retval=14;
233		354
234	/* Do substring checks, so things like 'Str+1' will match.	355	f.next ();
235	* retval of these should perhaps be lower - they are lower
236	* then the specific strcasecmp aboves, but still higher than
237	* some other match criteria.
238	*/
239	else if (strstr(query_base_name(op,1), cp)) retval = 12;
240	else if (strstr(query_base_name(op,0), cp)) retval = 12;
241	else if (strstr(query_short_name(op), cp)) retval = 12;
242
243	/* Check against plural/non plural based on count. */
244	else if (count>1 && !strcasecmp(cp,op->name_pl)) {
245	retval=6;
246	}	356	}
247	else if (count==1 && !strcasecmp(op->name,cp)) {	357	#endif
248	retval=6;	358
		359	loading_arch = at; // hack to tell parse_kv et al. to behave
		360	bool parse_ok = at->parse_kv (f);
		361	loading_arch = 0;
		362
		363	if (!parse_ok)
		364	goto fail;
		365
		366	loading_arch = at; // hack to tell parse_kv et al. to behave
		367	at->post_load_check ();
		368	loading_arch = 0;
		369
		370	parts.push_back (at);
		371
		372	if (f.kw != KW_more)
		373	break;
		374
		375	f.next ();
		376
		377	if (f.kw != KW_object)
		378	{
		379	f.parse_error ("more object");
		380	goto fail;
249	}	381	}
250	/* base name matched - not bad */	382	}
251	else if (strcasecmp(cp,op->name)==0 && !count) retval=4;
252	/* Check for partial custom name, but give a real low priority */
253	else if (op->custom_name && strstr(op->custom_name, cp)) retval = 3;
254		383
255	if (retval) {	384	{
256	if (pl->type == PLAYER)	385	auto (at, parts.begin ());
257	pl->contr->count=count;	386
		387	archetype *new_head = parts.front ();
		388	archetype *old_head = find (new_head->archname);
		389
		390	if (old_head && !old_head->is_head ())
		391	{
		392	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		393	&new_head->archname, &old_head->archname);
		394	goto fail;
		395	}
		396
		397	// check that all archetypes belong to the same old object or are new
		398	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		399	{
		400	archetype new_part = at;
		401	archetype *old_part = find (new_part->archname);
		402
		403	if (old_part && old_part->head_ () != old_head)
		404	{
		405	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		406	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		407	goto fail;
		408	}
		409	}
		410
		411	// assemble new chain
		412	new_head->min_x = new_head->max_x = new_head->x;
		413	new_head->min_y = new_head->max_y = new_head->y;
		414
		415	archetype *less = new_head;
		416	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		417	{
		418	archetype at = p;
		419
		420	// some flags get inherited from the head (probably a lot more)
		421	// doing it here doesn't feel too cozy, but it allows code
		422	// to ignore head checks for these flags, which saves time
		423	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		424	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		425	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		426	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		427
		428	new_head->min_x = min (new_head->min_x, at->x);
		429	new_head->min_y = min (new_head->min_y, at->y);
		430	new_head->max_x = max (new_head->max_x, at->x);
		431	new_head->max_y = max (new_head->max_y, at->y);
		432
		433	at->head = new_head;
		434	less->more = at;
		435	less = at;
		436	}
		437
		438	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		439
		440	return new_head;
		441	}
		442
		443	fail:
		444	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		445	(*p)->destroy ();
		446
		447	return 0;
		448	}
		449
		450	void
		451	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
		452	{
		453	ref = 0;
		454	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
		455	}
		456
		457	void
		458	archetype::commit_load ()
		459	{
		460	// unlink old archetypes and link in new ones */
		461	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
		462	{
		463	archetype at = p;
		464
		465	if (archetype *old = find (at->archname))
		466	old->unlink ();
		467
		468	allarch.push_back (at);
		469
		470	at->link ();
		471	++dirtycnt;
		472	}
		473
		474	postponed_arch.clear ();
		475
		476	// now resolve arch references
		477	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		478	{
		479	arch_ptr *ap = p->first;
		480	archetype *at = find (p->second);
		481
		482	if (!at)
		483	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		484
		485	*ap = at;
		486	}
		487
		488	postponed_arch_ref.clear ();
		489
		490	empty = find (shstr_empty_archetype);
		491	}
		492
		493	void
		494	archetype::gc ()
		495	{
		496	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
		497	dirtycnt = max (0, dirtycnt - cnt);
		498
		499	do
		500	{
		501	static int idx;
		502
		503	if (idx >= allarch.size ())
		504	if (idx)
		505	idx = 0;
		506	else
258	return retval;	507	return;
		508
		509	archetype *at = allarch [idx];
		510
		511	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		512	++idx;
		513	else
		514	{
		515	LOG (llevDebug, "garbage collect arch %s", &at->archname);
		516	assert (at->arch == at); // verify that refcnt == 1 is truly valid
		517	allarch.erase (idx);
		518
		519	// break chain
		520	for (object *op = at->head_ (); op; )
		521	{
		522	object *next = op->more;
		523	op->head = 0;
		524	op->more = 0;
		525	op = next;
		526	}
		527
		528	at->destroy ();
		529	at->arch = 0;
259	}	530	}
260	}	531	}
261	return 0;	532	while (--cnt);
262	}	533	}
263		534
264	/*
265	* Initialises the internal linked list of archetypes (read from file).
266	* Then the global "empty_archetype" pointer is initialised.
267	* Then the blocksview[] array is initialised.
268	*/
269
270	void init_archetypes(void) { /* called from add_player() and edit() */
271	if(first_archetype!=NULL) /* Only do this once */
272	return;
273	arch_init = 1;
274	load_archetypes();
275	arch_init = 0;
276	empty_archetype=find_archetype("empty_archetype");
277	/* init_blocksview();*/
278	}
279
280	/*
281	* Stores debug-information about how efficient the hashtable
282	* used for archetypes has been in the static errmsg array.
283	*/
284
285	void arch_info(object *op) {
286	sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp);
287	new_draw_info(NDI_BLACK, 0, op,errmsg);
288	}
289
290	/*
291	* Initialise the hashtable used by the archetypes.
292	*/
293
294	void clear_archetable(void) {
295	memset((void ) arch_table,0,ARCHTABLEsizeof(archetype *));
296	}
297
298	/*
299	* An alternative way to init the hashtable which is slower, but _works_...
300	*/
301
302	void init_archetable(void) {
303	archetype *at;
304	LOG(llevDebug," Setting up archetable...\n");
305	for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more)
306	add_arch(at);
307	LOG(llevDebug,"done\n");
308	}
309
310	/*
311	* Dumps an archetype to debug-level output.
312	*/
313
314	void dump_arch(archetype *at) {
315	dump_object(&at->clone);
316	}
317
318	/*
319	* Dumps _all_ archetypes to debug-level output.
320	* If you run crossfire with debug, and enter DM-mode, you can trigger
321	* this with the O key.
322	*/
323
324	void dump_all_archetypes(void) {
325	archetype *at;
326	for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) {
327	dump_arch(at);
328	fprintf(logfile, "%s\n", errmsg);
329	}
330	}
331
332	void free_all_archs(void)
333	{
334	archetype at, next;
335	int i=0,f=0;
336
337	for (at=first_archetype; at!=NULL; at=next) {
338	if (at->more) next=at->more;
339	else next=at->next;
340	if (at->name) free_string(at->name);
341	if (at->clone.name) free_string(at->clone.name);
342	if (at->clone.name_pl) free_string(at->clone.name_pl);
343	if (at->clone.title) free_string(at->clone.title);
344	if (at->clone.race) free_string(at->clone.race);
345	if (at->clone.slaying) free_string(at->clone.slaying);
346	if (at->clone.msg) free_string(at->clone.msg);
347	free(at);
348	i++;
349	}
350	LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
351	}
352
353	/*
354	* Allocates, initialises and returns the pointer to an archetype structure.
355	*/
356
357	archetype *get_archetype_struct(void) {
358	archetype *arch;
359
360	arch=(archetype *)CALLOC(1,sizeof(archetype));
361	if(arch==NULL)
362	fatal(OUT_OF_MEMORY);
363	arch->next=NULL;
364	arch->name=NULL;
365	arch->clone.other_arch=NULL;
366	arch->clone.name=NULL;
367	arch->clone.name_pl=NULL;
368	arch->clone.title=NULL;
369	arch->clone.race=NULL;
370	arch->clone.slaying=NULL;
371	arch->clone.msg=NULL;
372	clear_object(&arch->clone); /* to initial state other also */
373	CLEAR_FLAG((&arch->clone),FLAG_FREED); /* This shouldn't matter, since copy_object() */
374	SET_FLAG((&arch->clone), FLAG_REMOVED); /* doesn't copy these flags... */
375	arch->head=NULL;
376	arch->more=NULL;
377	return arch;
378	}
379
380	/*
381	* Reads/parses the archetype-file, and copies into a linked list
382	* of archetype-structures.
383	*/
384	void first_arch_pass(object_thawer &fp) {
385	object *op;
386	archetype at,head=NULL,*last_more=NULL;
387	int i,first=2;
388
389	op=get_object();
390	op->arch=first_archetype=at=get_archetype_struct();
391
392	while((i=load_object(fp,op,first,0))) {
393	first=0;
394	copy_object(op,&at->clone);
395	at->clone.speed_left= (float) (-0.1);
396	/* copy the body_info to the body_used - this is only really
397	* need for monsters, but doesn't hurt to do it for everything.
398	* by doing so, when a monster is created, it has good starting
399	* values for the body_used info, so when items are created
400	* for it, they can be properly equipped.
401	*/
402	memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info));
403
404	switch(i) {
405	case LL_NORMAL: /* A new archetype, just link it with the previous */
406	if(last_more!=NULL)
407	last_more->next=at;
408	if(head!=NULL)
409	head->next=at;
410	head=last_more=at;
411	#if 0
412	if(!op->type)
413	LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
414	#endif
415	at->tail_x = 0;
416	at->tail_y = 0;
417	break;
418
419	case LL_MORE: /* Another part of the previous archetype, link it correctly */
420
421	at->head=head;
422	at->clone.head = &head->clone;
423	if(last_more!=NULL) {
424	last_more->more=at;
425	last_more->clone.more = &at->clone;
426	}
427	last_more=at;
428
429	/* If this multipart image is still composed of individual small
430	* images, don't set the tail_.. values. We can't use them anyways,
431	* and setting these to zero makes the map sending to the client much
432	* easier as just looking at the head, we know what to do.
433	*/
434	if (at->clone.face != head->clone.face) {
435	head->tail_x = 0;
436	head->tail_y = 0;
437	} else {
438	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
439	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
440	}
441	break;
442
443	}
444
445	at=get_archetype_struct();
446	clear_object(op);
447	op->arch=at;
448	}
449	free(at);
450	free_object(op);
451	}
452
453	/*
454	* Reads the archetype file once more, and links all pointers between
455	* archetypes.
456	*/
457
458	void second_arch_pass(object_thawer &thawer) {
459	char buf[MAX_BUF],variable=buf,argument,*cp;
460	archetype at=NULL,other;
461
462	while(fgets(buf,MAX_BUF,thawer)!=NULL) {
463	if(*buf=='#')
464	continue;
465	if((argument=strchr(buf,' '))!=NULL) {
466	*argument='\0',argument++;
467	cp = argument + strlen(argument)-1;
468	while (isspace(*cp)) {
469	*cp='\0';
470	cp--;
471	}
472	}
473	if(!strcmp("Object",variable)) {
474	if((at=find_archetype(argument))==NULL)
475	LOG(llevError,"Warning: failed to find arch %s\n",argument);
476	} else if(!strcmp("other_arch",variable)) {
477	if(at!=NULL&&at->clone.other_arch==NULL) {
478	if((other=find_archetype(argument))==NULL)
479	LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
480	else if(at!=NULL)
481	at->clone.other_arch=other;
482	}
483	} else if(!strcmp("randomitems",variable)) {
484	if(at!=NULL) {
485	treasurelist *tl=find_treasurelist(argument);
486	if(tl==NULL)
487	LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument);
488	else
489	at->clone.randomitems=tl;
490	}
491	}
492	}
493	}
494
495	#ifdef DEBUG
496	void check_generators(void) {
497	archetype *at;
498	for(at=first_archetype;at!=NULL;at=at->next)
499	if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
500	LOG(llevError,"Warning: %s is generator but lacks other_arch.\n",
501	at->name);
502	}
503	#endif
504
505	/*
506	* First initialises the archtype hash-table (init_archetable()).
507	* Reads and parses the archetype file (with the first and second-pass
508	* functions).
509	* Then initialises treasures by calling load_treasures().
510	*/
511
512	void
513	load_archetypes (void)
514	{
515	char filename[MAX_BUF];
516	int comp;
517	#if TIME_ARCH_LOAD
518	struct timeval tv1, tv2;
519	#endif
520
521	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
522	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
523
524	{
525	object_thawer thawer (filename);
526
527	clear_archetable ();
528	LOG (llevDebug, " arch-pass 1...\n");
529	first_arch_pass (thawer);
530	LOG (llevDebug, " done\n");
531
532	init_archetable ();
533	warn_archetypes = 1;
534	}
535
536	{
537	object_thawer thawer (filename);
538
539	LOG (llevDebug, " loading treasure...\n");
540	load_treasures ();
541	LOG (llevDebug, " done\n arch-pass 2...\n");
542	second_arch_pass (thawer);
543	LOG (llevDebug, " done\n");
544	#ifdef DEBUG
545	check_generators ();
546	#endif
547	}
548	LOG (llevDebug, " done\n");
549	}
550
551	/*
552	* Creates and returns a new object which is a copy of the given archetype.
553	* This function returns NULL on failure.
554	*/
555
556	object arch_to_object(archetype at) {
557	object *op;	535	object *
558	if(at==NULL) {	536	archetype::instance ()
559	if(warn_archetypes)	537	{
560	LOG(llevError,"Couldn't find archetype.\n");	538	object *op = clone ();
561	return NULL;
562	}
563	op=get_object();
564	copy_object(&at->clone,op);
565	op->instantiate ();	539	op->instantiate ();
566	op->arch=at;
567	return op;	540	return op;
568	}	541	}
569		542
570	/*	543	/*
571	* Creates an object. This function is called by get_archetype()	544	* Creates an object. This function is called by get_archetype()
572	* if it fails to find the appropriate archetype.	545	* if it fails to find the appropriate archetype.
573	* Thus get_archetype() will be guaranteed to always return	546	* Thus get_archetype() will be guaranteed to always return
574	* an object, and never NULL.	547	* an object, and never NULL.
575	*/	548	*/
576		549	object *
577	object create_singularity(const char name) {	550	create_singularity (const char *name)
578	object *op;	551	{
579	char buf[MAX_BUF];	552	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
580	sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name);	553
581	op = get_object();	554	if (!strcmp (name, "bug"))
582	op->name = add_string(buf);	555	abort ();
583	op->name_pl = add_string(buf);	556
584	SET_FLAG(op,FLAG_NO_PICK);	557	object *op = archetype::get (shstr_bug);
		558	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		559
585	return op;	560	return op;
586	}	561	}
587		562
588	/*	563	/*
589	* Finds which archetype matches the given name, and returns a new	564	* Finds which archetype matches the given name, and returns a new
590	* object containing a copy of the archetype.	565	* object containing a copy of the archetype.
591	*/	566	*/
592		567	object *
593	object get_archetype(const char name) {	568	get_archetype (const char *name)
594	archetype *at;	569	{
595	at = find_archetype(name);	570	return archetype::get (name);
596	if (at == NULL)	571	}
		572
		573	object *
		574	archetype::get (const char *name)
		575	{
		576	archetype *at = find (name);
		577
		578	if (!at)
597	return create_singularity(name);	579	return create_singularity (name);
598	return arch_to_object(at);
599	}
600		580
601	/*	581	return at->instance ();
602	* Hash-function used by the arch-hashtable.
603	*/
604
605	unsigned long
606	hasharch(const char *str, int tablesize) {
607	unsigned long hash = 0;
608	int i = 0;
609	const char *p;
610
611	/* use the one-at-a-time hash function, which supposedly is
612	* better than the djb2-like one used by perl5.005, but
613	* certainly is better then the bug used here before.
614	* see http://burtleburtle.net/bob/hash/doobs.html
615	*/
616	for (p = str; i < MAXSTRING && *p; p++, i++) {
617	hash += *p;
618	hash += hash << 10;
619	hash ^= hash >> 6;
620	}
621	hash += hash << 3;
622	hash ^= hash >> 11;
623	hash += hash << 15;
624	return hash % tablesize;
625	}
626
627	/*
628	* Finds, using the hashtable, which archetype matches the given name.
629	* returns a pointer to the found archetype, otherwise NULL.
630	*/
631
632	archetype find_archetype(const char name) {
633	archetype *at;
634	unsigned long index;
635
636	if (name == NULL)
637	return (archetype *) NULL;
638
639	index=hasharch(name, ARCHTABLE);
640	arch_search++;
641	for(;;) {
642	at = arch_table[index];
643	if (at==NULL) {
644	if(warn_archetypes)
645	LOG(llevError,"Couldn't find archetype %s\n",name);
646	return NULL;
647	}
648	arch_cmp++;
649	if (!strcmp(at->name,name))
650	return at;
651	if(++index>=ARCHTABLE)
652	index=0;
653	}
654	}
655
656	/*
657	* Adds an archetype to the hashtable.
658	*/
659
660	static void add_arch(archetype *at) {
661	int index=hasharch(at->name, ARCHTABLE),org_index=index;
662	for(;;) {
663	if(arch_table[index]==NULL) {
664	arch_table[index]=at;
665	return;
666	}
667	if(++index==ARCHTABLE)
668	index=0;
669	if(index==org_index)
670	fatal(ARCHTABLE_TOO_SMALL);
671	}
672	}	582	}
673		583
674	/*	584	/*
675	* Returns the first archetype using the given type.	585	* Returns the first archetype using the given type.
676	* Used in treasure-generation.	586	* Used in treasure-generation.
677	*/	587	*/
678
679	archetype *type_to_archetype(int type) {
680	archetype *at;	588	archetype *
681		589	type_to_archetype (int type)
682	for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more)	590	{
683	if(at->clone.type==type)	591	for_all_archetypes (at)
		592	if (at->type == type && at->head_ () != at)
684	return at;	593	return at;
		594
685	return NULL;	595	return 0;
686	}	596	}
687		597
688	/*	598	/*
689	* Returns a new object copied from the first archetype matching	599	* Returns a new object copied from the first archetype matching
690	* the given type.	600	* the given type.
691	* Used in treasure-generation.	601	* Used in treasure-generation.
692	*/	602	*/
693		603	object *
694	object *clone_arch(int type) {	604	clone_arch (int type)
695	archetype *at;	605	{
696	object *op=get_object();	606	archetype *at = type_to_archetype (type);
697		607
698	if((at=type_to_archetype(type))==NULL) {	608	if (!at)
		609	{
699	LOG(llevError,"Can't clone archetype %d\n",type);	610	LOG (llevError, "Can't clone archetype %d\n", type);
700	free_object(op);
701	return NULL;	611	return 0;
702	}	612	}
703	copy_object(&at->clone,op);	613
704	op->instantiate ();	614	return at->instance ();
705	return op;
706	}	615	}
707		616
708	/*	617	/*
709	* member: make instance from class	618	* member: make instance from class
710	*/	619	*/
711		620	object *
712	object object_create_arch (archetype at)	621	object_create_arch (archetype *at)
713	{	622	{
714	object op, prev = NULL, *head = NULL;	623	object op, prev = 0, *head = 0;
715		624
716	while (at) {	625	while (at)
717	op = arch_to_object (at);	626	{
		627	op = at->instance ();
		628
718	op->x = at->clone.x;	629	op->x = at->x;
719	op->y = at->clone.y;	630	op->y = at->y;
		631
720	if (head)	632	if (head)
721	op->head = head, prev->more = op;	633	op->head = head, prev->more = op;
		634
722	if (!head)	635	if (!head)
723	head = op;	636	head = op;
		637
724	prev = op;	638	prev = op;
725	at = at->more;	639	at = (archetype *)at->more;
726	}	640	}
		641
727	return (head);	642	return head;
728	}	643	}
729		644
730	/* end of arch.c */

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.9 by root, Wed Aug 30 11:02:15 2006 UTC vs. Revision 1.86 by root, Sun Oct 5 14:54:05 2008 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.9 by root, Wed Aug 30 11:02:15 2006 UTC vs.
Revision 1.86 by root, Sun Oct 5 14:54:05 2008 UTC