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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.41 by root, Thu Feb 8 03:09:31 2007 UTC vs.
Revision 1.119 by root, Sat Dec 1 20:22:12 2018 UTC

…		…
1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
		5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2002 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* This program is free software; you can redistribute it and/or modify	9	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	10	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	18	*
		19	* You should have received a copy of the Affero GNU General Public License
		20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
		22	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	23	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	24	*/
24		25
25	#include <cassert>	26	#include <cassert>
		27	#include <functional>
		28
		29	#include <flat_hash_map.hpp>
26		30
27	#include <global.h>	31	#include <global.h>
28	#include <funcpoint.h>
29	#include <loader.h>
30		32
31	#include <tr1/functional>	33	archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
32	#include <tr1/unordered_map>	34	arch_ptr archetype::empty;
33
34	int arch_init; /* True if doing arch initialization */
35
36	/* The naming of these functions is really poor - they are all
37	* pretty much named '.._arch_...', but they may more may not
38	* return archetypes. Some make the arch_to_object call, and thus
39	* return an object. Perhaps those should be called 'archob' functions
40	* to denote they return an object derived from the archetype.
41	* MSW 2003-04-29
42	*/
43		35
44	// the hashtable	36	// the hashtable
45	typedef std::tr1::unordered_map	37	typedef ska::flat_hash_map
46	<	38	<
47	const char *,	39	const char *,
48	arch_ptr,	40	arch_ptr,
49	str_hash,	41	str_hash,
50	str_equal,	42	str_equal,
51	slice_allocator< std::pair<const char *const, arch_ptr> >	43	slice_allocator< std::pair<const char *const, arch_ptr> >
52	> HT;	44	> HT;
53		45
54	static HT ht (5000);	46	static HT ht (10000);
		47	archvec archetypes;
		48	static unordered_vector<archetype *> allarch;
		49	static int dirtycnt;
		50
		51	// the vector of other_arch references to be resolved
		52	static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
		53	// the vector of loaded but not yet committed archetypes
		54	static std::vector<archetype *> postponed_arch;
		55
		56	//+GPL
		57
		58	/*
		59	* Creates an object. This function is called by archetype::get ()
		60	* if it fails to find the appropriate archetype.
		61	* Thus archetype::get() will be guaranteed to always return
		62	* an object, and never NULL.
		63	*/
		64	static object *
		65	create_singularity (const char *name)
		66	{
		67	LOG (llevError \| logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
		68
		69	if (!strcmp (name, "bug"))
		70	abort ();
		71
		72	object *op = archetype::get (shstr_bug);
		73	op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
		74
		75	return op;
		76	}
55		77
56	/**	78	/**
57	* GROS - This function retrieves an archetype given the name that appears	79	* GROS - This function retrieves an archetype given the name that appears
58	* during the game (for example, "writing pen" instead of "stylus").	80	* during the game (for example, "writing pen" instead of "stylus").
59	* 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.
67	archetype *	89	archetype *
68	find_archetype_by_object_name (const char *name)	90	find_archetype_by_object_name (const char *name)
69	{	91	{
70	shstr_cmp name_cmp (name);	92	shstr_cmp name_cmp (name);
71		93
72	for (archetype *at = first_archetype; at; at = at->next)	94	for_all_archetypes (at)
73	if (at->clone.name == name_cmp)	95	if (at->name == name_cmp)
74	return at;	96	return at;
75		97
76	return 0;	98	return 0;
77	}	99	}
78		100
…		…
84	archetype *	106	archetype *
85	find_archetype_by_object_type_name (int type, const char *name)	107	find_archetype_by_object_type_name (int type, const char *name)
86	{	108	{
87	shstr_cmp name_cmp (name);	109	shstr_cmp name_cmp (name);
88		110
89	for (archetype *at = first_archetype; at; at = at->next)	111	for_all_archetypes (at)
90	if (at->clone.name == name_cmp && at->clone.type == type)	112	if (at->name == name_cmp && at->type == type)
91	return at;	113	return at;
92		114
93	return 0;	115	return 0;
94	}	116	}
95		117
…		…
101	object *	123	object *
102	get_archetype_by_skill_name (const char *skill, int type)	124	get_archetype_by_skill_name (const char *skill, int type)
103	{	125	{
104	shstr_cmp skill_cmp (skill);	126	shstr_cmp skill_cmp (skill);
105		127
106	for (archetype *at = first_archetype; at; at = at->next)	128	for_all_archetypes (at)
107	if (at->clone.skill == skill_cmp && (type == -1 \|\| type == at->clone.type))	129	if (at->skill == skill_cmp && (type == -1 \|\| type == at->type))
108	return arch_to_object (at);	130	return at->instance ();
109		131
110	return 0;	132	return 0;
111	}	133	}
112		134
113	/* similiar to above - this returns the first archetype	135	/* similiar to above - this returns the first archetype
…		…
118	* (eg, skills)	140	* (eg, skills)
119	*/	141	*/
120	archetype *	142	archetype *
121	get_archetype_by_type_subtype (int type, int subtype)	143	get_archetype_by_type_subtype (int type, int subtype)
122	{	144	{
123	for (archetype *at = first_archetype; at; at = at->next)	145	for_all_archetypes (at)
124	if ((type == -1 \|\| type == at->clone.type) && (subtype == -1 \|\| subtype == at->clone.subtype))	146	if ((type == -1 \|\| type == at->type) && (subtype == -1 \|\| subtype == at->subtype))
125	return at;	147	return at;
126		148
127	return 0;	149	return 0;
128	}	150	}
129		151
…		…
134	* - name: The name we're searching for (ex: "writing pen");	156	* - name: The name we're searching for (ex: "writing pen");
135	* Return value:	157	* Return value:
136	* - a corresponding object if found; a singularity object if not found.	158	* - a corresponding object if found; a singularity object if not found.
137	* 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
138	* 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
139	* 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,
140	* but it otherwise had a big memory leak.	162	* but it otherwise had a big memory leak.
141	*/	163	*/
142	object *	164	object *
143	get_archetype_by_object_name (const char *name)	165	get_archetype_by_object_name (const char *name)
144	{	166	{
145	char tmpname[MAX_BUF];	167	char tmpname[MAX_BUF];
146	int i;
147		168
148	assign (tmpname, name);	169	assign (tmpname, name);
149		170
150	for (i = strlen (tmpname); i > 0; i--)	171	for (int i = strlen (tmpname); i > 0; i--)
151	{	172	{
152	tmpname[i] = 0;	173	tmpname[i] = 0;
153		174
154	if (archetype *at = find_archetype_by_object_name (tmpname))	175	if (archetype *at = find_archetype_by_object_name (tmpname))
155	return arch_to_object (at);	176	return at->instance ();
156	}	177	}
157		178
158	return create_singularity (name);	179	return create_singularity (name);
159	}	180	}
160		181
161	/* This is a subset of the parse_id command. Basically, name can be	182	/* This is a subset of the parse_id command. Basically, name can be
162	* a string seperated lists of things to match, with certain keywords.	183	* a string seperated lists of things to match, with certain keywords.
163	* pl is the player (only needed to set count properly)	184	* pl is the player (only needed to set count properly)
164	* op is the item we are trying to match. Calling function takes care	185	* op is the item we are trying to match. Calling function takes care
165	* of what action might need to be done and if it is valid	186	* of what action might need to be done and if it is valid
166	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher	187	* (pickup, drop, etc.) Return NONZERO if we have a match. A higher
167	* value means a better match. 0 means no match.	188	* value means a better match. 0 means no match.
168	*	189	*
169	* Brief outline of the procedure:	190	* Brief outline of the procedure:
170	* We take apart the name variable into the individual components.	191	* We take apart the name variable into the individual components.
171	* cases for 'all' and unpaid are pretty obvious.	192	* cases for 'all' and unpaid are pretty obvious.
172	* Next, we check for a count (either specified in name, or in the	193	* Next, we check for a count (either specified in name, or in the
173	* player object.)	194	* player object.)
174	* If count is 1, make a quick check on the name.	195	* If count is 1, make a quick check on the name.
175	* IF count is >1, we need to make plural name. Return if match.	196	* IF count is >1, we need to make plural name. Return if match.
176	* Last, make a check on the full name.	197	* Last, make a check on the full name.
177	*/	198	*/
178	int	199	int
179	item_matched_string (object pl, object op, const char *name)	200	item_matched_string (object pl, object op, const char *name)
180	{	201	{
181	char *cp, local_name[MAX_BUF];	202	char *cp, local_name[MAX_BUF];
182	int count, retval = 0;	203	int count, retval = 0;
…		…
192	/* All is a very generic match - low match value */	213	/* All is a very generic match - low match value */
193	if (!strcmp (cp, "all"))	214	if (!strcmp (cp, "all"))
194	return 1;	215	return 1;
195		216
196	/* unpaid is a little more specific */	217	/* unpaid is a little more specific */
197	if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))	218	if (!strcmp (cp, "unpaid") && op->flag [FLAG_UNPAID])
198	return 2;	219	return 2;
199	if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) \|\| QUERY_FLAG (op, FLAG_DAMNED)))	220
		221	if (!strcmp (cp, "cursed") && op->flag [FLAG_KNOWN_CURSED] && (op->flag [FLAG_CURSED] \|\| op->flag [FLAG_DAMNED]))
200	return 2;	222	return 2;
201		223
202	if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))	224	if (!strcmp (cp, "unlocked") && !op->flag [FLAG_INV_LOCKED])
203	return 2;	225	return 2;
204		226
205	/* Allow for things like '100 arrows' */	227	/* Allow for things like '100 arrows' */
206	if ((count = atoi (cp)) != 0)	228	if ((count = atoi (cp)) != 0)
207	{	229	{
…		…
225	* is because of the 'else' handling - we don't want to match on	247	* is because of the 'else' handling - we don't want to match on
226	* something and set a low retval, even though it may match a higher retcal	248	* something and set a low retval, even though it may match a higher retcal
227	* later. So keep it in descending order here, so we try for the best	249	* later. So keep it in descending order here, so we try for the best
228	* match first, and work downward.	250	* match first, and work downward.
229	*/	251	*/
		252	const char qbn0, qbn1, *qsn; // query base name/short name caches
		253
230	if (!strcasecmp (cp, query_name (op)))	254	if (!strcasecmp (cp, query_name (op)))
231	retval = 20;	255	retval = 20;
232	else if (!strcasecmp (cp, query_short_name (op)))	256	else if (!strcasecmp (cp, qsn = query_short_name (op)))
233	retval = 18;	257	retval = 18;
234	else if (!strcasecmp (cp, query_base_name (op, 0)))	258	else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
235	retval = 16;	259	retval = 16;
236	else if (!strcasecmp (cp, query_base_name (op, 1)))	260	else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
237	retval = 16;	261	retval = 16;
238	else if (op->custom_name && !strcasecmp (cp, op->custom_name))	262	else if (op->custom_name && !strcasecmp (cp, op->custom_name))
239	retval = 15;	263	retval = 15;
240	else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))	264	else if (!strncasecmp (cp, qbn0, strlen (cp)))
241	retval = 14;	265	retval = 14;
242	else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))	266	else if (!strncasecmp (cp, qbn1, strlen (cp)))
243	retval = 14;	267	retval = 14;
244	/* Do substring checks, so things like 'Str+1' will match.	268	/* Do substring checks, so things like 'Str+1' will match.
245	* retval of these should perhaps be lower - they are lower	269	* retval of these should perhaps be lower - they are lower
246	* then the specific strcasecmp aboves, but still higher than	270	* then the specific strcasecmp aboves, but still higher than
247	* some other match criteria.	271	* some other match criteria.
248	*/	272	*/
249	else if (strstr (query_base_name (op, 1), cp))	273	else if (strstr (qbn1, cp))
250	retval = 12;	274	retval = 12;
251	else if (strstr (query_base_name (op, 0), cp))	275	else if (strstr (qbn0, cp))
252	retval = 12;	276	retval = 12;
253	else if (strstr (query_short_name (op), cp))	277	else if (strstr (qsn, cp))
254	retval = 12;	278	retval = 12;
255	/* Check against plural/non plural based on count. */	279	/* Check against plural/non plural based on count. */
256	else if (count > 1 && !strcasecmp (cp, op->name_pl))	280	else if (count > 1 && !strcasecmp (cp, op->name_pl))
257	retval = 6;	281	retval = 6;
258	else if (count == 1 && !strcasecmp (op->name, cp))	282	else if (count == 1 && !strcasecmp (op->name, cp))
259	retval = 6;	283	retval = 6;
260	/* base name matched - not bad */	284	/* base name matched - not bad */
261	else if (strcasecmp (cp, op->name) == 0 && !count)	285	else if (strcasecmp (cp, op->name) == 0 && !count)
262	retval = 4;	286	retval = 4;
263	/* Check for partial custom name, but give a real low priority */	287	/* Check for partial custom name, but give a real low priority */
264	else if (op->custom_name && strstr (op->custom_name, cp))	288	else if (op->custom_name.contains (cp))
265	retval = 3;	289	retval = 3;
266		290
267	if (retval)	291	if (retval)
268	{	292	{
269	if (pl->type == PLAYER)	293	if (pl->type == PLAYER)
…		…
274	}	298	}
275		299
276	return 0;	300	return 0;
277	}	301	}
278		302
279	/*	303	//-GPL
280	* Initialises the internal linked list of archetypes (read from file).
281	* Then the global "empty_archetype" pointer is initialised.
282	* Then the blocksview[] array is initialised.
283	*/
284		304
285	void	305	void
286	init_archetypes (void)	306	archetype::do_delete ()
287	{ /* called from add_player() and edit() */	307	{
288	if (first_archetype != NULL) /* Only do this once */	308	delete this;
289	return;
290
291	arch_init = 1;
292	load_archetypes ();
293	arch_init = 0;
294	empty_archetype = archetype::find ("empty_archetype");
295
296	/* init_blocksview();*/
297	}	309	}
298		310
299	/*	311	archetype::archetype (const char *name)
300	* An alternative way to init the hashtable which is slower, but _works_...	312	{
301	*/	313	arch = this;
		314	this->archname = this->name = this->name_pl = name;
		315	}
		316
		317	archetype::~archetype ()
		318	{
		319	unlink ();
		320	}
		321
302	void	322	void
303	init_archetable (void)	323	archetype::link ()
304	{	324	{
305	archetype *at;	325	if (!archetypes.contains (this))
306		326	{
307	LOG (llevDebug, " Setting up archetable...\n");	327	archetypes.insert (this);
308		328	ht.insert (std::make_pair (archname, this));
309	for (at = first_archetype; at; at = at->more ? at->more : at->next)	329	}
310	at->hash_add ();
311
312	LOG (llevDebug, "done\n");
313	}	330	}
314		331
315	void	332	void
316	free_all_archs (void)	333	archetype::unlink ()
317	{	334	{
318	archetype at, next;	335	if (archetypes.contains (this))
319	int i = 0, f = 0;
320
321	for (at = first_archetype; at; at = next)
322	{
323	if (at->more)
324	next = at->more;
325	else
326	next = at->next;
327
328	delete
329	at;
330
331	i++;
332	}	336	{
333		337	archetypes.erase (this);
334	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);	338	ht.erase (archname);
335	}
336
337	archetype::archetype ()
338	{
339	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
340	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
341	}
342
343	archetype::~archetype ()
344	{
345	}
346
347	/*
348	* Reads/parses the archetype-file, and copies into a linked list
349	* of archetype-structures.
350	*/
351	void
352	first_arch_pass (object_thawer & fp)
353	{
354	archetype head = 0, last_more = 0;
355
356	archetype *at = new archetype;
357	at->clone.arch = first_archetype = at;
358
359	while (int i = load_object (fp, &at->clone, 0))
360	{	339	}
361	at->clone.speed_left = (float) (-0.1);
362	/* copy the body_info to the body_used - this is only really
363	* need for monsters, but doesn't hurt to do it for everything.
364	* by doing so, when a monster is created, it has good starting
365	* values for the body_used info, so when items are created
366	* for it, they can be properly equipped.
367	*/
368	memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
369
370	switch (i)
371	{
372	case LL_NORMAL: /* A new archetype, just link it with the previous */
373	if (last_more != NULL)
374	last_more->next = at;
375	if (head != NULL)
376	head->next = at;
377	head = last_more = at;
378	#if 0
379	if (!op->type)
380	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
381	#endif
382	at->tail_x = 0;
383	at->tail_y = 0;
384	break;
385
386	case LL_MORE: /* Another part of the previous archetype, link it correctly */
387
388	at->head = head;
389	at->clone.head = &head->clone;
390	if (last_more != NULL)
391	{
392	last_more->more = at;
393	last_more->clone.more = &at->clone;
394	}
395	last_more = at;
396
397	/* If this multipart image is still composed of individual small
398	* images, don't set the tail_.. values. We can't use them anyways,
399	* and setting these to zero makes the map sending to the client much
400	* easier as just looking at the head, we know what to do.
401	*/
402	if (at->clone.face != head->clone.face)
403	{
404	head->tail_x = 0;
405	head->tail_y = 0;
406	}
407	else
408	{
409	if (at->clone.x > head->tail_x)
410	head->tail_x = at->clone.x;
411	if (at->clone.y > head->tail_y)
412	head->tail_y = at->clone.y;
413	}
414	break;
415
416	}
417
418	at = new archetype;
419
420	at->clone.arch = at;
421	}
422
423	delete at;
424	}
425
426	/*
427	* Reads the archetype file once more, and links all pointers between
428	* archetypes.
429	*/
430
431	void
432	second_arch_pass (object_thawer & thawer)
433	{
434	char buf[MAX_BUF], variable = buf, argument, *cp;
435	archetype at = NULL, other;
436
437	while (fgets (buf, MAX_BUF, thawer) != NULL)
438	{
439	if (*buf == '#')
440	continue;
441	if ((argument = strchr (buf, ' ')) != NULL)
442	{
443	*argument = '\0', argument++;
444	cp = argument + strlen (argument) - 1;
445	while (isspace (*cp))
446	{
447	*cp = '\0';
448	cp--;
449	}
450	}
451	if (!strcmp ("object", variable))
452	{
453	if ((at = archetype::find (argument)) == NULL)
454	LOG (llevError, "Warning: failed to find arch %s\n", argument);
455	}
456	else if (!strcmp ("other_arch", variable))
457	{
458	if (at != NULL && at->clone.other_arch == NULL)
459	{
460	if ((other = archetype::find (argument)) == NULL)
461	LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
462	else if (at != NULL)
463	at->clone.other_arch = other;
464	}
465	}
466	else if (!strcmp ("randomitems", variable))
467	{
468	if (at != NULL)
469	{
470	treasurelist *tl = find_treasurelist (argument);
471
472	if (tl == NULL)
473	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
474	else
475	at->clone.randomitems = tl;
476	}
477	}
478	}
479	}
480
481	#ifdef DEBUG
482	void
483	check_generators (void)
484	{
485	archetype *at;
486
487	for (at = first_archetype; at != NULL; at = at->next)
488	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
489	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
490	}
491	#endif
492
493	/*
494	* First initialises the archtype hash-table (init_archetable()).
495	* Reads and parses the archetype file (with the first and second-pass
496	* functions).
497	* Then initialises treasures by calling load_treasures().
498	*/
499
500	void
501	load_archetypes (void)
502	{
503	char filename[MAX_BUF];
504
505	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
506	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
507
508	{
509	object_thawer
510	thawer (filename);
511
512	LOG (llevDebug, " arch-pass 1...\n");
513	first_arch_pass (thawer);
514	LOG (llevDebug, " done\n");
515	}
516
517	init_archetable ();
518	warn_archetypes = 1;
519
520	{
521	object_thawer
522	thawer (filename);
523
524	LOG (llevDebug, " loading treasure...\n");
525	load_treasures ();
526	LOG (llevDebug, " done\n");
527	LOG (llevDebug, " arch-pass 2...\n");
528	second_arch_pass (thawer);
529	LOG (llevDebug, " done\n");
530	#ifdef DEBUG
531	check_generators ();
532	#endif
533	}
534	LOG (llevDebug, " done\n");
535	}
536
537	/*
538	* Creates and returns a new object which is a copy of the given archetype.
539	* This function returns NULL on failure.
540	*/
541	object *
542	arch_to_object (archetype *at)
543	{
544	object *op;
545
546	if (at == NULL)
547	{
548	if (warn_archetypes)
549	LOG (llevError, "Couldn't find archetype.\n");
550
551	return NULL;
552	}
553
554	op = at->clone.clone ();
555	op->arch = at;
556	op->instantiate ();
557	return op;
558	}
559
560	/*
561	* Creates an object. This function is called by get_archetype()
562	* if it fails to find the appropriate archetype.
563	* Thus get_archetype() will be guaranteed to always return
564	* an object, and never NULL.
565	*/
566	object *
567	create_singularity (const char *name)
568	{
569	object *op;
570	char buf[MAX_BUF];
571
572	sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);
573	op = object::create ();
574	op->name = op->name_pl = buf;
575	SET_FLAG (op, FLAG_NO_PICK);
576	return op;
577	}
578
579	/*
580	* Finds which archetype matches the given name, and returns a new
581	* object containing a copy of the archetype.
582	*/
583	object *
584	get_archetype (const char *name)
585	{
586	archetype *at = archetype::find (name);
587
588	if (!at)
589	return create_singularity (name);
590
591	return arch_to_object (at);
592	}
593
594	/*
595	* Hash-function used by the arch-hashtable.
596	*/
597
598	unsigned long
599	hasharch (const char *str, int tablesize)
600	{
601	unsigned long hash = 0;
602	unsigned int i = 0;
603	const char *p;
604
605	/* use the one-at-a-time hash function, which supposedly is
606	* better than the djb2-like one used by perl5.005, but
607	* certainly is better then the bug used here before.
608	* see http://burtleburtle.net/bob/hash/doobs.html
609	*/
610	for (p = str; i < MAXSTRING && *p; p++, i++)
611	{
612	hash += *p;
613	hash += hash << 10;
614	hash ^= hash >> 6;
615	}
616
617	hash += hash << 3;
618	hash ^= hash >> 11;
619	hash += hash << 15;
620
621	return hash % tablesize;
622	}	340	}
623		341
624	/*	342	/*
625	* Finds, using the hashtable, which archetype matches the given name.	343	* Finds, using the hashtable, which archetype matches the given name.
626	* returns a pointer to the found archetype, otherwise NULL.	344	* returns a pointer to the found archetype, otherwise NULL.
…		…
629	archetype::find (const char *name)	347	archetype::find (const char *name)
630	{	348	{
631	if (!name)	349	if (!name)
632	return 0;	350	return 0;
633		351
634	AUTODECL (i, ht.find (name));	352	auto i = ht.find (name);
635		353
636	if (i == ht.end ())	354	if (i == ht.end ())
637	return 0;	355	return 0;
638	else	356	else
639	return i->second;	357	return i->second;
640	}	358	}
641		359
		360	void
		361	archetype::post_load_check ()
		362	{
		363	assert (("obj_original MUST NOT be set for archetypes", !flag [FLAG_OBJ_ORIGINAL]));
		364
		365	if (type == SKILL)
		366	add_skill_archetype (this);
		367
		368	object::post_load_check ();
		369	}
		370
		371	archetype *
		372	archetype::read (object_thawer &f)
		373	{
		374	assert (f.kw == KW_object);
		375
		376	std::vector<archetype *> parts;
		377
		378	coroapi::cede_to_tick ();
		379
		380	for (;;)
		381	{
		382	archetype *at = new archetype (f.get_str ());
		383
		384	f.next ();
		385
		386	#if 0
		387	// implementing it here in the server does neither allow multiple inheritence
		388	// nor does it cleanly "just override". it would allow use in map files, though,
		389	// and other resource files dynamically loaded (as opposed to being preprocessed).
		390	// not that any of this is relevant as of yet...
		391	if (f.kw == KW_inherit)
		392	{
		393	if (archetype *at = find (f.get_str ()))
		394	*op = at->clone;
		395	else
		396	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
		397	&at->archname, f.get_str ());
		398
		399	f.next ();
		400	}
		401	#endif
		402
		403	loading_arch = at; // hack to tell parse_kv et al. to behave
		404	bool parse_ok = at->parse_kv (f);
		405	loading_arch = 0;
		406
		407	if (!parse_ok)
		408	goto fail;
		409
		410	loading_arch = at; // hack to tell parse_kv et al. to behave
		411	at->post_load_check ();
		412	loading_arch = 0;
		413
		414	parts.push_back (at);
		415
		416	if (f.kw != KW_more)
		417	break;
		418
		419	f.next ();
		420
		421	if (f.kw != KW_object)
		422	{
		423	f.parse_error ("more object");
		424	goto fail;
		425	}
		426	}
		427
		428	{
		429	archetype *new_head = parts.front ();
		430	archetype *old_head = find (new_head->archname);
		431
		432	if (old_head && !old_head->is_head ())
		433	{
		434	LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
		435	&new_head->archname, &old_head->archname);
		436	goto fail;
		437	}
		438
		439	// check that all archetypes belong to the same old object or are new
		440	for (auto &&at : parts)
		441	{
		442	archetype *new_part = at;
		443	archetype *old_part = find (new_part->archname);
		444
		445	if (old_part && old_part->head_ () != old_head)
		446	{
		447	LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
		448	&new_part->archname, &((archetype *)old_part->head_ ())->archname);
		449	goto fail;
		450	}
		451	}
		452
		453	// assemble new chain
		454	new_head->max_x = new_head->x;
		455
		456	archetype *less = new_head;
		457	for (auto &&p = parts.begin () + 1; p != parts.end (); ++p)
		458	{
		459	archetype at = p;
		460
		461	// some flags get inherited from the head (probably a lot more)
		462	// doing it here doesn't feel too cozy, but it allows code
		463	// to ignore head checks for these flags, which saves time
		464	at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
		465	at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
		466	at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
		467	at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
		468
		469	new_head->max_x = max (new_head->max_x, at->x);
		470
		471	at->head = new_head;
		472	less->more = at;
		473	less = at;
		474	}
		475
		476	postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
		477
		478	return new_head;
		479	}
		480
		481	fail:
		482	for (auto &&at : parts)
		483	at->destroy ();
		484
		485	return 0;
		486	}
		487
		488	void
		489	archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
		490	{
		491	ref = 0;
		492	postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
		493	}
		494
		495	void
		496	archetype::commit_load ()
		497	{
		498	// unlink old archetypes and link in new ones */
		499	for (auto &&at : postponed_arch)
		500	{
		501	if (archetype *old = find (at->archname))
		502	old->unlink ();
		503
		504	allarch.push_back (at);
		505
		506	at->link ();
		507	++dirtycnt;
		508	}
		509
		510	postponed_arch.clear ();
		511
		512	// now resolve arch references
		513	for (auto &&p : postponed_arch_ref) // not yet C++17
		514	{
		515	arch_ptr *ap = p.first;
		516	archetype *at = find (p.second);
		517
		518	if (!at)
		519	LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p.second);
		520
		521	*ap = at;
		522	}
		523
		524	postponed_arch_ref.clear ();
		525
		526	empty = find (shstr_empty_archetype);
		527	}
		528
		529	void
		530	archetype::gc ()
		531	{
		532	int cnt = max (1, min<int> (allarch.size () / 128, dirtycnt));
		533	dirtycnt = max (0, dirtycnt - cnt);
		534
		535	do
		536	{
		537	static int idx;
		538
		539	if (idx >= allarch.size ())
		540	if (idx)
		541	idx = 0;
		542	else
		543	return;
		544
		545	archetype *at = allarch [idx];
		546
		547	if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
		548	++idx;
		549	else
		550	{
		551	//LOG (llevDebug, "garbage collect arch %s", &at->archname);
		552	assert (at->arch == at); // verify that refcnt == 1 is truly valid
		553	allarch.erase (idx);
		554
		555	// break chain
		556	for (object *op = at->head_ (); op; )
		557	{
		558	object *next = op->more;
		559	op->head = 0;
		560	op->more = 0;
		561	op = next;
		562	}
		563
		564	at->destroy ();
		565	at->arch = 0;
		566	}
		567	}
		568	while (--cnt);
		569	}
		570
		571	object *
		572	archetype::instance ()
		573	{
		574	object *op = clone ();
		575	op->instantiate ();
		576	return op;
		577	}
		578
		579	//+GPL
		580
642	/*	581	/*
643	* Adds an archetype to the hashtable.	582	* Finds which archetype matches the given name, and returns a new
		583	* object containing a copy of the archetype.
644	*/	584	*/
645	void	585	object *
646	archetype::hash_add ()	586	archetype::get (const char *name)
647	{	587	{
648	ht.insert (std::make_pair (name, this));	588	archetype *at = find (name);
649	}
650		589
651	void	590	if (!at)
652	archetype::hash_del ()	591	return create_singularity (name);
653	{	592
654	ht.erase (name);	593	return at->instance ();
655	}	594	}
656		595
657	/*	596	/*
658	* Returns the first archetype using the given type.	597	* Returns the first archetype using the given type.
659	* Used in treasure-generation.	598	* Used in treasure-generation.
660	*/	599	*/
661	archetype *	600	static archetype *
662	type_to_archetype (int type)	601	type_to_archetype (int type)
663	{	602	{
664	archetype *at;	603	for_all_archetypes (at)
665		604	if (at->type == type && at->head_ () != at)
666	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
667	if (at->clone.type == type)
668	return at;	605	return at;
669		606
670	return 0;	607	return 0;
671	}	608	}
672		609
673	/*	610	/*
674	* Returns a new object copied from the first archetype matching	611	* Returns a new object copied from the first archetype matching
675	* the given type.	612	* the given type.
676	* Used in treasure-generation.	613	* Used in treasure-generation.
677	*/	614	*/
678
679	object *	615	object *
680	clone_arch (int type)	616	clone_arch (int type)
681	{	617	{
682	archetype *at;	618	archetype *at = type_to_archetype (type);
683		619
684	if ((at = type_to_archetype (type)) == NULL)	620	if (!at)
685	{	621	{
686	LOG (llevError, "Can't clone archetype %d\n", type);	622	LOG (llevError, "Can't clone archetype %d\n", type);
687	return 0;	623	return 0;
688	}	624	}
689		625
690	object *op = at->clone.clone ();	626	return at->instance ();
691	op->instantiate ();
692	return op;
693	}	627	}
694		628
695	/*	629	/*
696	* member: make instance from class	630	* member: make instance from class
697	*/	631	*/
698
699	object *	632	object *
700	object_create_arch (archetype *at)	633	object_create_arch (archetype *at)
701	{	634	{
702	object op, prev = 0, *head = 0;	635	object op, prev = 0, *head = 0;
703		636
704	while (at)	637	while (at)
705	{	638	{
706	op = arch_to_object (at);	639	op = at->instance ();
		640
707	op->x = at->clone.x;	641	op->x = at->x;
708	op->y = at->clone.y;	642	op->y = at->y;
709		643
710	if (head)	644	if (head)
711	op->head = head, prev->more = op;	645	op->head = head, prev->more = op;
712		646
713	if (!head)	647	if (!head)
714	head = op;	648	head = op;
715		649
716	prev = op;	650	prev = op;
717	at = at->more;	651	at = (archetype *)at->more;
718	}	652	}
719		653
720	return (head);	654	return head;
721	}	655	}
722		656
		657	//-GPL
		658

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.41 by root, Thu Feb 8 03:09:31 2007 UTC vs. Revision 1.119 by root, Sat Dec 1 20:22:12 2018 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.41 by root, Thu Feb 8 03:09:31 2007 UTC vs.
Revision 1.119 by root, Sat Dec 1 20:22:12 2018 UTC