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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.10 by root, Sun Sep 3 00:18:39 2006 UTC vs.
Revision 1.97 by root, Sun Nov 8 22:28:10 2009 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 1.10 2006/09/03 00:18:39 root Exp $";	3	*
		4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
		6	* Copyright (©) 1992,2007 Frank Tore Johansen
		7	*
		8	* Deliantra is free software: you can redistribute it and/or modify it under
		9	* the terms of the Affero GNU General Public License as published by the
		10	* Free Software Foundation, either version 3 of the License, or (at your
		11	* option) any later version.
		12	*
		13	* This program is distributed in the hope that it will be useful,
		14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		16	* GNU General Public License for more details.
		17	*
		18	* You should have received a copy of the Affero GNU General Public License
		19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
		21	*
		22	* The authors can be reached via e-mail to <support@deliantra.net>
4	*/	23	*/
		24
		25	#include <cassert>
		26
		27	#include <global.h>
		28	#include <loader.h>
		29
		30	#include <tr1/functional>
		31	#include <tr1/unordered_map>
		32
		33	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
		34	arch_ptr archetype::empty;
		35
		36	// the hashtable
		37	typedef std::tr1::unordered_map
		38	<
		39	const char *,
		40	arch_ptr,
		41	str_hash,
		42	str_equal,
		43	slice_allocator< std::pair<const char *const, arch_ptr> >
		44	> HT;
		45
		46	static HT ht (10000);
		47	archvec archetypes;
		48	static unordered_vector<archetype *> allarch;
		49	static int dirtycnt;
		50
		51	// the vector of other_arch references to be resolved
		52	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		53	// the vector of loaded but not yet committed archetypes
		54	static std::vector<archetype *> postponed_arch;
		55
		56	//+GPL
5		57
6	/*	58	/*
7	CrossFire, A Multiplayer game for X-windows	59	* Creates an object. This function is called by get_archetype ()
8		60	* if it fails to find the appropriate archetype.
9	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	61	* Thus get_archetype() will be guaranteed to always return
10	Copyright (C) 1992 Frank Tore Johansen	62	* an object, and never NULL.
11
12	This program is free software; you can redistribute it and/or modify
13	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
15	(at your option) any later version.
16
17	This program is distributed in the hope that it will be useful,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU General Public License for more details.
21
22	You should have received a copy of the GNU General Public License
23	along with this program; if not, write to the Free Software
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/	63	*/
		64	static object *
		65	create_singularity (const char *name)
		66	{
		67	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
28		68
29	#include <global.h>	69	if (!strcmp (name, "bug"))
30	#include <arch.h>	70	abort ();
31	#include <funcpoint.h>
32	#include <loader.h>
33		71
34	#include <cassert>	72	object *op = archetype::get (shstr_bug);
		73	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
35		74
36	/* IF set, does a little timing on the archetype load. */	75	return op;
37	#define TIME_ARCH_LOAD 0	76	}
38
39	static void add_arch(archetype *at);
40
41	static archetype *arch_table[ARCHTABLE];
42	int arch_cmp=0; /* How many strcmp's */
43	int arch_search=0; /* How many searches */
44	int arch_init; /* True if doing arch initialization */
45
46	/* The naming of these functions is really poor - they are all
47	* pretty much named '.._arch_...', but they may more may not
48	* return archetypes. Some make the arch_to_object call, and thus
49	* return an object. Perhaps those should be called 'archob' functions
50	* to denote they return an object derived from the archetype.
51	* MSW 2003-04-29
52	*/
53		77
54	/**	78	/**
55	* GROS - This function retrieves an archetype given the name that appears	79	* GROS - This function retrieves an archetype given the name that appears
56	* during the game (for example, "writing pen" instead of "stylus").	80	* 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.	81	* It does not use the hashtable system, but browse the whole archlist each time.
60	* Params:	84	* Params:
61	* - name: the name we're searching for (ex: "writing pen");	85	* - name: the name we're searching for (ex: "writing pen");
62	* Return value:	86	* Return value:
63	* - the archetype found or null if nothing was found.	87	* - the archetype found or null if nothing was found.
64	*/	88	*/
		89	archetype *
65	archetype find_archetype_by_object_name(const char name) {	90	find_archetype_by_object_name (const char *name)
66	archetype *at;	91	{
		92	shstr_cmp name_cmp (name);
67		93
68	if (name == NULL)	94	for_all_archetypes (at)
69	return (archetype *) NULL;	95	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;	96	return at;
74	}	97
75	return NULL;	98	return 0;
76	}	99	}
77		100
78	/**	101	/**
79	* This function retrieves an archetype by type and name that appears during	102	* 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()	103	* the game. It is basically the same as find_archetype_by_object_name()
81	* except that it considers only items of the given type.	104	* except that it considers only items of the given type.
82	*/	105	*/
		106	archetype *
83	archetype find_archetype_by_object_type_name(int type, const char name) {	107	find_archetype_by_object_type_name (int type, const char *name)
84	archetype *at;	108	{
		109	shstr_cmp name_cmp (name);
85		110
86	if (name == NULL)	111	for_all_archetypes (at)
87	return NULL;	112	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;	113	return at;
92	}
93		114
94	return NULL;	115	return 0;
95	}	116	}
96		117
97	/* This is a lot like the above function. Instead, we are trying to match	118	/* 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	119	* 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).	120	* against (eg, to only match against skills or only skill objects for example).
100	* If type is -1, ew don't match on type.	121	* If type is -1, ew don't match on type.
101	*/	122	*/
		123	object *
102	object get_archetype_by_skill_name(const char skill, int type) {	124	get_archetype_by_skill_name (const char *skill, int type)
103	archetype *at;	125	{
		126	shstr_cmp skill_cmp (skill);
104		127
105	if (skill == NULL)	128	for_all_archetypes (at)
106	return NULL;	129	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
		130	return at->instance ();
107		131
108	for(at = first_archetype;at!=NULL;at=at->next) {	132	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	}	133	}
115		134
116	/* similiar to above - this returns the first archetype	135	/* similiar to above - this returns the first archetype
117	* that matches both the type and subtype. type and subtype	136	* 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	137	* 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	138	* may not be very useful. This function is most useful when
120	* subtypes are known to be unique for a particular type	139	* subtypes are known to be unique for a particular type
121	* (eg, skills)	140	* (eg, skills)
122	*/	141	*/
		142	archetype *
123	archetype *get_archetype_by_type_subtype(int type, int subtype) {	143	get_archetype_by_type_subtype (int type, int subtype)
124	archetype *at;	144	{
125		145	for_all_archetypes (at)
126	for(at = first_archetype;at!=NULL;at=at->next) {	146	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;	147	return at;
130	}	148
131	return NULL;	149	return 0;
132	}	150	}
133		151
134	/**	152	/**
135	* GROS - this returns a new object given the name that appears during the game	153	* GROS - this returns a new object given the name that appears during the game
136	* (for example, "writing pen" instead of "stylus").	154	* (for example, "writing pen" instead of "stylus").
…		…
138	* - name: The name we're searching for (ex: "writing pen");	156	* - name: The name we're searching for (ex: "writing pen");
139	* Return value:	157	* Return value:
140	* - a corresponding object if found; a singularity object if not found.	158	* - 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	159	* 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	160	* 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,	161	* doesn't allocate it each time - not that this function is used much,
144	* but it otherwise had a big memory leak.	162	* but it otherwise had a big memory leak.
145	*/	163	*/
		164	object *
146	object get_archetype_by_object_name(const char name) {	165	get_archetype_by_object_name (const char *name)
147	archetype *at;	166	{
148	char tmpname[MAX_BUF];	167	char tmpname[MAX_BUF];
149	int i;
150		168
151	strncpy(tmpname,name,MAX_BUF-1);	169	assign (tmpname, name);
152	tmpname[MAX_BUF-1] = 0;	170
153	for(i=strlen(tmpname); i>0; i--) {	171	for (int i = strlen (tmpname); i > 0; i--)
		172	{
154	tmpname[i] = 0;	173	tmpname[i] = 0;
		174
155	at = find_archetype_by_object_name(tmpname);	175	if (archetype *at = find_archetype_by_object_name (tmpname))
156	if (at !=NULL)	176	return at->instance ();
		177	}
		178
		179	return create_singularity (name);
		180	}
		181
		182	/* This is a subset of the parse_id command. Basically, name can be
		183	* a string seperated lists of things to match, with certain keywords.
		184	* pl is the player (only needed to set count properly)
		185	* op is the item we are trying to match. Calling function takes care
		186	* of what action might need to be done and if it is valid
		187	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
		188	* value means a better match. 0 means no match.
		189	*
		190	* Brief outline of the procedure:
		191	* We take apart the name variable into the individual components.
		192	* cases for 'all' and unpaid are pretty obvious.
		193	* Next, we check for a count (either specified in name, or in the
		194	* player object.)
		195	* If count is 1, make a quick check on the name.
		196	* IF count is >1, we need to make plural name. Return if match.
		197	* Last, make a check on the full name.
		198	*/
		199	int
		200	item_matched_string (object pl, object op, const char *name)
		201	{
		202	char *cp, local_name[MAX_BUF];
		203	int count, retval = 0;
		204
		205	assign (local_name, name); /* strtok is destructive to name */
		206
		207	for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
		208	{
		209	while (cp[0] == ' ')
		210	++cp; /* get rid of spaces */
		211
		212	/* LOG(llevDebug,"Trying to match %s\n", cp); */
		213	/* All is a very generic match - low match value */
		214	if (!strcmp (cp, "all"))
		215	return 1;
		216
		217	/* unpaid is a little more specific */
		218	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
		219	return 2;
		220
		221	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))
		222	return 2;
		223
		224	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
		225	return 2;
		226
		227	/* Allow for things like '100 arrows' */
		228	if ((count = atoi (cp)) != 0)
157	{	229	{
158	return arch_to_object(at);	230	cp = strchr (cp, ' ');
		231	while (cp && cp[0] == ' ')
		232	++cp; /* get rid of spaces */
159	}	233	}
160	}	234	else
161	return create_singularity(name);	235	{
162	}	236	if (pl->type == PLAYER)
163		237	count = pl->contr->count;
164	/* This is a subset of the parse_id command. Basically, name can be	238	else
165	* a string seperated lists of things to match, with certain keywords.	239	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	}	240	}
		241
		242	if (!cp \|\| cp[0] == '\0' \|\| count < 0)
		243	return 0;
		244
		245
		246	/* The code here should go from highest retval to lowest. That
		247	* is because of the 'else' handling - we don't want to match on
		248	* something and set a low retval, even though it may match a higher retcal
		249	* later. So keep it in descending order here, so we try for the best
		250	* match first, and work downward.
		251	*/
		252	const char qbn0, qbn1, *qsn; // query base name/short name caches
		253
		254	if (!strcasecmp (cp, query_name (op)))
		255	retval = 20;
		256	else if (!strcasecmp (cp, qsn = query_short_name (op)))
		257	retval = 18;
		258	else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
		259	retval = 16;
		260	else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
		261	retval = 16;
		262	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
		263	retval = 15;
		264	else if (!strncasecmp (cp, qbn0, strlen (cp)))
		265	retval = 14;
		266	else if (!strncasecmp (cp, qbn1, strlen (cp)))
		267	retval = 14;
		268	/* Do substring checks, so things like 'Str+1' will match.
		269	* retval of these should perhaps be lower - they are lower
		270	* then the specific strcasecmp aboves, but still higher than
		271	* some other match criteria.
		272	*/
		273	else if (strstr (qbn1, cp))
		274	retval = 12;
		275	else if (strstr (qbn0, cp))
		276	retval = 12;
		277	else if (strstr (qsn, cp))
		278	retval = 12;
		279	/* Check against plural/non plural based on count. */
		280	else if (count > 1 && !strcasecmp (cp, op->name_pl))
		281	retval = 6;
		282	else if (count == 1 && !strcasecmp (op->name, cp))
		283	retval = 6;
		284	/* base name matched - not bad */
		285	else if (strcasecmp (cp, op->name) == 0 && !count)
		286	retval = 4;
		287	/* Check for partial custom name, but give a real low priority */
		288	else if (op->custom_name.contains (cp))
		289	retval = 3;
		290
		291	if (retval)
208	else {	292	{
209	if (pl->type==PLAYER)	293	if (pl->type == PLAYER)
210	count=pl->contr->count;	294	pl->contr->count = count;
211	else	295
212	count = 0;	296	return retval;
213	}	297	}
		298	}
214		299
215	if (!cp \|\| cp[0]=='\0' \|\| count<0) return 0;	300	return 0;
		301	}
216		302
		303	//-GPL
217		304
218	/* The code here should go from highest retval to lowest. That	305	archetype::archetype (const char *name)
219	* is because of the 'else' handling - we don't want to match on	306	{
220	* something and set a low retval, even though it may match a higher retcal	307	arch = this;
221	* later. So keep it in descending order here, so we try for the best	308	this->archname = this->name = this->name_pl = name;
222	* match first, and work downward.	309	}
		310
		311	archetype::~archetype ()
		312	{
		313	unlink ();
		314	}
		315
		316	void
		317	archetype::link ()
		318	{
		319	if (!archetypes.contains (this))
		320	{
		321	archetypes.insert (this);
		322	ht.insert (std::make_pair (archname, this));
		323	}
		324	}
		325
		326	void
		327	archetype::unlink ()
		328	{
		329	if (archetypes.contains (this))
		330	{
		331	archetypes.erase (this);
		332	ht.erase (archname);
		333	}
		334	}
		335
		336	/*
		337	* Finds, using the hashtable, which archetype matches the given name.
		338	* returns a pointer to the found archetype, otherwise NULL.
		339	*/
		340	archetype *
		341	archetype::find (const char *name)
		342	{
		343	if (!name)
		344	return 0;
		345
		346	auto (i, ht.find (name));
		347
		348	if (i == ht.end ())
		349	return 0;
		350	else
		351	return i->second;
		352	}
		353
		354	void
		355	archetype::post_load_check ()
		356	{
		357	object::post_load_check ();
		358
		359	assert (("obj_original MUST NOT be set for archetypes", !flag [FLAG_OBJ_ORIGINAL]));
		360	}
		361
		362	archetype *
		363	archetype::read (object_thawer &f)
		364	{
		365	assert (f.kw == KW_object);
		366
		367	std::vector<archetype *> parts;
		368
		369	coroapi::cede_to_tick ();
		370
		371	for (;;)
		372	{
		373	archetype *at = new archetype (f.get_str ());
		374
		375	f.next ();
		376
		377	#if 0
		378	// implementing it here in the server does neither allow multiple inheritence
		379	// nor does it cleanly "just override". it would allow use in map files, though,
		380	// and other resource files dynamically laoded (as opposed to being preprocessed).
		381	// not that any of this is relevant as of yet...
		382	if (f.kw == KW_inherit)
223	*/	383	{
224	if (!strcasecmp(cp,query_name(op))) retval=20;	384	if (archetype *at = find (f.get_str ()))
225	else if (!strcasecmp(cp,query_short_name(op))) retval=18;	385	*op = at->clone;
226	else if (!strcasecmp(cp,query_base_name(op,0))) retval=16;	386	else
227	else if (!strcasecmp(cp,query_base_name(op,1))) retval=16;	387	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;	388	&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		389
234	/* Do substring checks, so things like 'Str+1' will match.	390	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	}	391	}
247	else if (count==1 && !strcasecmp(op->name,cp)) {	392	#endif
248	retval=6;	393
		394	loading_arch = at; // hack to tell parse_kv et al. to behave
		395	bool parse_ok = at->parse_kv (f);
		396	loading_arch = 0;
		397
		398	if (!parse_ok)
		399	goto fail;
		400
		401	loading_arch = at; // hack to tell parse_kv et al. to behave
		402	at->post_load_check ();
		403	loading_arch = 0;
		404
		405	parts.push_back (at);
		406
		407	if (f.kw != KW_more)
		408	break;
		409
		410	f.next ();
		411
		412	if (f.kw != KW_object)
		413	{
		414	f.parse_error ("more object");
		415	goto fail;
249	}	416	}
250	/* base name matched - not bad */	417	}
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		418
255	if (retval) {	419	{
256	if (pl->type == PLAYER)	420	auto (at, parts.begin ());
257	pl->contr->count=count;	421
		422	archetype *new_head = parts.front ();
		423	archetype *old_head = find (new_head->archname);
		424
		425	if (old_head && !old_head->is_head ())
		426	{
		427	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		428	&new_head->archname, &old_head->archname);
		429	goto fail;
		430	}
		431
		432	// check that all archetypes belong to the same old object or are new
		433	for (auto (at, parts.begin ()); at != parts.end (); ++at)
		434	{
		435	archetype new_part = at;
		436	archetype *old_part = find (new_part->archname);
		437
		438	if (old_part && old_part->head_ () != old_head)
		439	{
		440	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		441	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		442	goto fail;
		443	}
		444	}
		445
		446	// assemble new chain
		447	new_head->min_x = new_head->max_x = new_head->x;
		448	new_head->min_y = new_head->max_y = new_head->y;
		449
		450	archetype *less = new_head;
		451	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		452	{
		453	archetype at = p;
		454
		455	// some flags get inherited from the head (probably a lot more)
		456	// doing it here doesn't feel too cozy, but it allows code
		457	// to ignore head checks for these flags, which saves time
		458	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		459	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		460	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		461	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		462
		463	new_head->min_x = min (new_head->min_x, at->x);
		464	new_head->min_y = min (new_head->min_y, at->y);
		465	new_head->max_x = max (new_head->max_x, at->x);
		466	new_head->max_y = max (new_head->max_y, at->y);
		467
		468	at->head = new_head;
		469	less->more = at;
		470	less = at;
		471	}
		472
		473	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		474
		475	return new_head;
		476	}
		477
		478	fail:
		479	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		480	(*p)->destroy ();
		481
		482	return 0;
		483	}
		484
		485	void
		486	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
		487	{
		488	ref = 0;
		489	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
		490	}
		491
		492	void
		493	archetype::commit_load ()
		494	{
		495	// unlink old archetypes and link in new ones */
		496	for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
		497	{
		498	archetype at = p;
		499
		500	if (archetype *old = find (at->archname))
		501	old->unlink ();
		502
		503	allarch.push_back (at);
		504
		505	at->link ();
		506	++dirtycnt;
		507	}
		508
		509	postponed_arch.clear ();
		510
		511	// now resolve arch references
		512	for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
		513	{
		514	arch_ptr *ap = p->first;
		515	archetype *at = find (p->second);
		516
		517	if (!at)
		518	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
		519
		520	*ap = at;
		521	}
		522
		523	postponed_arch_ref.clear ();
		524
		525	empty = find (shstr_empty_archetype);
		526	}
		527
		528	void
		529	archetype::gc ()
		530	{
		531	int cnt = max (1, min (allarch.size () / 128, dirtycnt));
		532	dirtycnt = max (0, dirtycnt - cnt);
		533
		534	do
		535	{
		536	static int idx;
		537
		538	if (idx >= allarch.size ())
		539	if (idx)
		540	idx = 0;
		541	else
258	return retval;	542	return;
		543
		544	archetype *at = allarch [idx];
		545
		546	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		547	++idx;
		548	else
		549	{
		550	LOG (llevDebug, "garbage collect arch %s", &at->archname);
		551	assert (at->arch == at); // verify that refcnt == 1 is truly valid
		552	allarch.erase (idx);
		553
		554	// break chain
		555	for (object *op = at->head_ (); op; )
		556	{
		557	object *next = op->more;
		558	op->head = 0;
		559	op->more = 0;
		560	op = next;
		561	}
		562
		563	at->destroy ();
		564	at->arch = 0;
259	}	565	}
260	}	566	}
261	return 0;	567	while (--cnt);
262	}	568	}
263		569
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
341	delete at;
342	i++;
343	}
344	LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
345	}
346
347	/*
348	* Allocates, initialises and returns the pointer to an archetype structure.
349	*/
350	// TODO: should become constructor
351	archetype *get_archetype_struct(void) {
352	archetype *arch;
353
354	arch = new archetype;
355
356	clear_object (&arch->clone); /* to initial state other also */
357	CLEAR_FLAG (&arch->clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
358	SET_FLAG (&arch->clone, FLAG_REMOVED); /* doesn't copy these flags... */
359
360	return arch;
361	}
362
363	/*
364	* Reads/parses the archetype-file, and copies into a linked list
365	* of archetype-structures.
366	*/
367	void first_arch_pass(object_thawer &fp) {
368	object *op;
369	archetype at,head=NULL,*last_more=NULL;
370	int i,first=2;
371
372	op=get_object();
373	op->arch=first_archetype=at=get_archetype_struct();
374
375	while((i=load_object(fp,op,first,0))) {
376	first=0;
377	copy_object(op,&at->clone);
378	at->clone.speed_left= (float) (-0.1);
379	/* copy the body_info to the body_used - this is only really
380	* need for monsters, but doesn't hurt to do it for everything.
381	* by doing so, when a monster is created, it has good starting
382	* values for the body_used info, so when items are created
383	* for it, they can be properly equipped.
384	*/
385	memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info));
386
387	switch(i) {
388	case LL_NORMAL: /* A new archetype, just link it with the previous */
389	if(last_more!=NULL)
390	last_more->next=at;
391	if(head!=NULL)
392	head->next=at;
393	head=last_more=at;
394	#if 0
395	if(!op->type)
396	LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
397	#endif
398	at->tail_x = 0;
399	at->tail_y = 0;
400	break;
401
402	case LL_MORE: /* Another part of the previous archetype, link it correctly */
403
404	at->head=head;
405	at->clone.head = &head->clone;
406	if(last_more!=NULL) {
407	last_more->more=at;
408	last_more->clone.more = &at->clone;
409	}
410	last_more=at;
411
412	/* If this multipart image is still composed of individual small
413	* images, don't set the tail_.. values. We can't use them anyways,
414	* and setting these to zero makes the map sending to the client much
415	* easier as just looking at the head, we know what to do.
416	*/
417	if (at->clone.face != head->clone.face) {
418	head->tail_x = 0;
419	head->tail_y = 0;
420	} else {
421	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
422	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
423	}
424	break;
425
426	}
427
428	at=get_archetype_struct();
429	clear_object(op);
430	op->arch=at;
431	}
432
433	delete at;
434	free_object(op);
435	}
436
437	/*
438	* Reads the archetype file once more, and links all pointers between
439	* archetypes.
440	*/
441
442	void second_arch_pass(object_thawer &thawer) {
443	char buf[MAX_BUF],variable=buf,argument,*cp;
444	archetype at=NULL,other;
445
446	while(fgets(buf,MAX_BUF,thawer)!=NULL) {
447	if(*buf=='#')
448	continue;
449	if((argument=strchr(buf,' '))!=NULL) {
450	*argument='\0',argument++;
451	cp = argument + strlen(argument)-1;
452	while (isspace(*cp)) {
453	*cp='\0';
454	cp--;
455	}
456	}
457	if(!strcmp("Object",variable)) {
458	if((at=find_archetype(argument))==NULL)
459	LOG(llevError,"Warning: failed to find arch %s\n",argument);
460	} else if(!strcmp("other_arch",variable)) {
461	if(at!=NULL&&at->clone.other_arch==NULL) {
462	if((other=find_archetype(argument))==NULL)
463	LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
464	else if(at!=NULL)
465	at->clone.other_arch=other;
466	}
467	} else if(!strcmp("randomitems",variable)) {
468	if(at!=NULL) {
469	treasurelist *tl=find_treasurelist(argument);
470	if(tl==NULL)
471	LOG(llevError,"Failed to link treasure to arch (%s): %s\n", &at->name, argument);
472	else
473	at->clone.randomitems=tl;
474	}
475	}
476	}
477	}
478
479	#ifdef DEBUG
480	void check_generators(void) {
481	archetype *at;
482	for(at=first_archetype;at!=NULL;at=at->next)
483	if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
484	LOG(llevError,"Warning: %s is generator but lacks other_arch.\n", &at->name);
485	}
486	#endif
487
488	/*
489	* First initialises the archtype hash-table (init_archetable()).
490	* Reads and parses the archetype file (with the first and second-pass
491	* functions).
492	* Then initialises treasures by calling load_treasures().
493	*/
494
495	void
496	load_archetypes (void)
497	{
498	char filename[MAX_BUF];
499	int comp;
500	#if TIME_ARCH_LOAD
501	struct timeval tv1, tv2;
502	#endif
503
504	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
505	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
506
507	{
508	object_thawer thawer (filename);
509
510	clear_archetable ();
511	LOG (llevDebug, " arch-pass 1...\n");
512	first_arch_pass (thawer);
513	LOG (llevDebug, " done\n");
514
515	init_archetable ();
516	warn_archetypes = 1;
517	}
518
519	{
520	object_thawer thawer (filename);
521
522	LOG (llevDebug, " loading treasure...\n");
523	load_treasures ();
524	LOG (llevDebug, " done\n arch-pass 2...\n");
525	second_arch_pass (thawer);
526	LOG (llevDebug, " done\n");
527	#ifdef DEBUG
528	check_generators ();
529	#endif
530	}
531	LOG (llevDebug, " done\n");
532	}
533
534	/*
535	* Creates and returns a new object which is a copy of the given archetype.
536	* This function returns NULL on failure.
537	*/
538
539	object arch_to_object(archetype at) {
540	object *op;	570	object *
541	if(at==NULL) {	571	archetype::instance ()
542	if(warn_archetypes)	572	{
543	LOG(llevError,"Couldn't find archetype.\n");	573	object *op = clone ();
544	return NULL;
545	}
546	op=get_object();
547	copy_object(&at->clone,op);
548	op->instantiate ();	574	op->instantiate ();
549	op->arch=at;
550	return op;	575	return op;
551	}	576	}
552		577
553	/*	578	//+GPL
554	* Creates an object. This function is called by get_archetype()
555	* if it fails to find the appropriate archetype.
556	* Thus get_archetype() will be guaranteed to always return
557	* an object, and never NULL.
558	*/
559
560	object create_singularity(const char name) {
561	object *op;
562	char buf[MAX_BUF];
563	sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name);
564	op = get_object();
565	op->name = op->name_pl = buf;
566	SET_FLAG(op,FLAG_NO_PICK);
567	return op;
568	}
569		579
570	/*	580	/*
571	* Finds which archetype matches the given name, and returns a new	581	* Finds which archetype matches the given name, and returns a new
572	* object containing a copy of the archetype.	582	* object containing a copy of the archetype.
573	*/	583	*/
574		584	object *
575	object get_archetype(const char name) {	585	get_archetype (const char *name)
576	archetype *at;	586	{
577	at = find_archetype(name);	587	return archetype::get (name);
578	if (at == NULL)	588	}
		589
		590	object *
		591	archetype::get (const char *name)
		592	{
		593	archetype *at = find (name);
		594
		595	if (!at)
579	return create_singularity(name);	596	return create_singularity (name);
580	return arch_to_object(at);
581	}
582		597
583	/*	598	return at->instance ();
584	* Hash-function used by the arch-hashtable.
585	*/
586
587	unsigned long
588	hasharch(const char *str, int tablesize)
589	{
590	unsigned long hash = 0;
591	unsigned int i = 0;
592	const char *p;
593
594	/* use the one-at-a-time hash function, which supposedly is
595	* better than the djb2-like one used by perl5.005, but
596	* certainly is better then the bug used here before.
597	* see http://burtleburtle.net/bob/hash/doobs.html
598	*/
599	for (p = str; i < MAXSTRING && *p; p++, i++)
600	{
601	hash += *p;
602	hash += hash << 10;
603	hash ^= hash >> 6;
604	}
605
606	hash += hash << 3;
607	hash ^= hash >> 11;
608	hash += hash << 15;
609
610	return hash % tablesize;
611	}
612
613	/*
614	* Finds, using the hashtable, which archetype matches the given name.
615	* returns a pointer to the found archetype, otherwise NULL.
616	*/
617
618	archetype find_archetype(const char name) {
619	archetype *at;
620	unsigned long index;
621
622	if (name == NULL)
623	return (archetype *) NULL;
624
625	index=hasharch(name, ARCHTABLE);
626	arch_search++;
627	for(;;) {
628	at = arch_table[index];
629	if (at==NULL) {
630	if(warn_archetypes)
631	LOG(llevError,"Couldn't find archetype %s\n",name);
632	return NULL;
633	}
634	arch_cmp++;
635	if (!strcmp((const char *)at->name,name))
636	return at;
637	if(++index>=ARCHTABLE)
638	index=0;
639	}
640	}
641
642	/*
643	* Adds an archetype to the hashtable.
644	*/
645
646	static void add_arch(archetype *at) {
647	int index=hasharch((const char *)at->name, ARCHTABLE),org_index=index;
648	for(;;) {
649	if(arch_table[index]==NULL) {
650	arch_table[index]=at;
651	return;
652	}
653	if(++index==ARCHTABLE)
654	index=0;
655	if(index==org_index)
656	fatal(ARCHTABLE_TOO_SMALL);
657	}
658	}	599	}
659		600
660	/*	601	/*
661	* Returns the first archetype using the given type.	602	* Returns the first archetype using the given type.
662	* Used in treasure-generation.	603	* Used in treasure-generation.
663	*/	604	*/
664		605	static archetype *
665	archetype *type_to_archetype(int type) {	606	type_to_archetype (int type)
666	archetype *at;	607	{
667		608	for_all_archetypes (at)
668	for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more)	609	if (at->type == type && at->head_ () != at)
669	if(at->clone.type==type)
670	return at;	610	return at;
		611
671	return NULL;	612	return 0;
672	}	613	}
673		614
674	/*	615	/*
675	* Returns a new object copied from the first archetype matching	616	* Returns a new object copied from the first archetype matching
676	* the given type.	617	* the given type.
677	* Used in treasure-generation.	618	* Used in treasure-generation.
678	*/	619	*/
679		620	object *
680	object *clone_arch(int type) {	621	clone_arch (int type)
681	archetype *at;	622	{
682	object *op=get_object();	623	archetype *at = type_to_archetype (type);
683		624
684	if((at=type_to_archetype(type))==NULL) {	625	if (!at)
		626	{
685	LOG(llevError,"Can't clone archetype %d\n",type);	627	LOG (llevError, "Can't clone archetype %d\n", type);
686	free_object(op);
687	return NULL;	628	return 0;
688	}	629	}
689	copy_object(&at->clone,op);	630
690	op->instantiate ();	631	return at->instance ();
691	return op;
692	}	632	}
693		633
694	/*	634	/*
695	* member: make instance from class	635	* member: make instance from class
696	*/	636	*/
697		637	object *
698	object object_create_arch (archetype at)	638	object_create_arch (archetype *at)
699	{	639	{
700	object op, prev = NULL, *head = NULL;	640	object op, prev = 0, *head = 0;
701		641
702	while (at) {	642	while (at)
703	op = arch_to_object (at);	643	{
		644	op = at->instance ();
		645
704	op->x = at->clone.x;	646	op->x = at->x;
705	op->y = at->clone.y;	647	op->y = at->y;
		648
706	if (head)	649	if (head)
707	op->head = head, prev->more = op;	650	op->head = head, prev->more = op;
		651
708	if (!head)	652	if (!head)
709	head = op;	653	head = op;
		654
710	prev = op;	655	prev = op;
711	at = at->more;	656	at = (archetype *)at->more;
712	}	657	}
		658
713	return (head);	659	return head;
714	}	660	}
715		661
716	/* end of arch.c */	662	//-GPL
		663

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.10 by root, Sun Sep 3 00:18:39 2006 UTC vs. Revision 1.97 by root, Sun Nov 8 22:28:10 2009 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.10 by root, Sun Sep 3 00:18:39 2006 UTC vs.
Revision 1.97 by root, Sun Nov 8 22:28:10 2009 UTC