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

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.42 by root, Fri Feb 9 01:52:10 2007 UTC vs.
Revision 1.59 by root, Mon May 7 06:01:47 2007 UTC

…		…
29	#include <loader.h>	29	#include <loader.h>
30		30
31	#include <tr1/functional>	31	#include <tr1/functional>
32	#include <tr1/unordered_map>	32	#include <tr1/unordered_map>
33		33
34	int arch_init; /* True if doing arch initialization */
35
36	/* The naming of these functions is really poor - they are all	34	/* The naming of these functions is really poor - they are all
37	* pretty much named '.._arch_...', but they may more may not	35	* pretty much named '.._arch_...', but they may more may not
38	* return archetypes. Some make the arch_to_object call, and thus	36	* return archetypes. Some make the arch_to_object call, and thus
39	* return an object. Perhaps those should be called 'archob' functions	37	* return an object. Perhaps those should be called 'archob' functions
40	* to denote they return an object derived from the archetype.	38	* to denote they return an object derived from the archetype.
41	* MSW 2003-04-29	39	* MSW 2003-04-29
42	*/	40	*/
		41
		42	bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
43		43
44	// the hashtable	44	// the hashtable
45	typedef std::tr1::unordered_map	45	typedef std::tr1::unordered_map
46	<	46	<
47	const char *,	47	const char *,
…		…
50	str_equal,	50	str_equal,
51	slice_allocator< std::pair<const char *const, arch_ptr> >	51	slice_allocator< std::pair<const char *const, arch_ptr> >
52	> HT;	52	> HT;
53		53
54	static HT ht (5000);	54	static HT ht (5000);
		55	static std::vector<archetype *> archetypes;
55		56
56	/**	57	/**
57	* GROS - This function retrieves an archetype given the name that appears	58	* GROS - This function retrieves an archetype given the name that appears
58	* during the game (for example, "writing pen" instead of "stylus").	59	* 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.	60	* It does not use the hashtable system, but browse the whole archlist each time.
…		…
274	}	275	}
275		276
276	return 0;	277	return 0;
277	}	278	}
278		279
279	/*
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
285	void
286	init_archetypes (void)
287	{ /* called from add_player() and edit() */
288	if (first_archetype != NULL) /* Only do this once */
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	}
298
299	/*
300	* An alternative way to init the hashtable which is slower, but _works_...
301	*/
302	void
303	init_archetable (void)
304	{
305	archetype *at;
306
307	LOG (llevDebug, " Setting up archetable...\n");
308
309	for (at = first_archetype; at; at = at->more ? at->more : at->next)
310	at->hash_add ();
311
312	LOG (llevDebug, "done\n");
313	}
314
315	void
316	free_all_archs (void)
317	{
318	archetype at, next;
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	}
333
334	LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
335	}
336
337	archetype::archetype ()	280	archetype::archetype ()
338	{	281	{
		282	clone.arch = this;
		283
339	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */	284	CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
340	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */	285	SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
341	}	286	}
342		287
343	archetype::~archetype ()	288	archetype::~archetype ()
344	{	289	{
		290	//TODO: nuke ->more's
345	}	291	}
346		292
347	/*	293	static void
348	* Reads/parses the archetype-file, and copies into a linked list	294	unlink (archetype *at)
349	* of archetype-structures.	295	{
350	*/	296	if (at->head)
		297	at = at->head;
		298
		299	// destroy this archetype's link, making singletons out of its parts
		300	while (at)
		301	{
		302	archetype *more = at->more;
		303	at->clone.destroy_inv ();
		304	at->head = at->more = 0;
		305	at = more;
		306	}
		307	}
		308
		309	// dire hack, need to rationalise
351	void	310	void
352	first_arch_pass (object_thawer & fp)	311	overwrite (archetype at, object op)
353	{	312	{
354	archetype head = 0, last_more = 0;	313	at->clone = *op;
		314	at->clone.arch = at;
355		315
356	archetype *at = new archetype;	316	at->clone.inv = op->inv; op->inv = 0;
357	at->clone.arch = first_archetype = at;
358		317
359	while (int i = load_object (fp, &at->clone, 0))	318	op->destroy ();
360	{	319	}
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		320
370	switch (i)	321	archetype *
		322	archetype::read (object_thawer &f)
		323	{
		324	assert (f.kw == KW_object);
		325
		326	loading_arch = true; // hack to tell parse_kv et al. to behave
		327
		328	typedef std::pair<archetype , object > part;
		329	std::vector<part> parts;
		330
		331	coroapi::cede_to_tick_every (100);
		332
		333	for (;;)
		334	{
		335	object *op = object::create ();
		336	archetype *at = get (f.get_str ());
		337	f.get (op->name);
		338	f.next ();
		339
		340	#if 0
		341	if (f.kw == KW_inherit)
371	{	342	{
372	case LL_NORMAL: /* A new archetype, just link it with the previous */	343	if (archetype *at = find (f.get_str ()))
373	if (last_more != NULL)	344	*op = at->clone;
374	last_more->next = at;	345	else
375	if (head != NULL)	346	LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
376	head->next = at;	347	&at->name, f.get_str ());
377	head = last_more = at;	348
378	#if 0	349	f.next ();
379	if (!op->type)	350	}
380	LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
381	#endif	351	#endif
382	at->tail_x = 0;	352
383	at->tail_y = 0;	353	if (!op->parse_kv (f))
		354	goto fail;
		355
		356	op->post_load_check ();
		357
		358	parts.push_back (std::make_pair (at, op));
		359
		360	if (f.kw != KW_more)
384	break;	361	break;
385		362
386	case LL_MORE: /* Another part of the previous archetype, link it correctly */	363	f.next ();
387		364
388	at->head = head;	365	if (f.kw != KW_object)
389	at->clone.head = &head->clone;	366	{
390	if (last_more != NULL)	367	f.parse_error ("more object");
391	{	368	goto fail;
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	}	369	}
		370	}
417		371
418	at = new archetype;	372	{
		373	archetype *head = parts.front ().first;
419		374
420	at->clone.arch = at;	375	// check that all archetypes belong to the same object or are heads
		376	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		377	{
		378	archetype *at = p->first;
		379
		380	if (at->head != head && at->head)
		381	{
		382	LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name);
		383	goto fail;
		384	}
		385
		386	if (at->next && at != head)
		387	{
		388	LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name);
		389	goto fail;
		390	}
421	}	391	}
422		392
423	delete at;	393	// sever chain of existing head object
424	}	394	for (archetype more, at = head; at; at = more)
		395	{
		396	more = at->more;
425		397
426	/*	398	at->head = 0;
427	* Reads the archetype file once more, and links all pointers between	399	at->more = 0;
428	* archetypes.	400	}
429	*/
430		401
		402	// replace/update head
		403	overwrite (head, parts.front ().second);
		404	head->tail_x = 0;
		405	head->tail_y = 0;
		406
		407	// link into list of heads, if not already there
		408	if (!head->linked)
		409	{
		410	head->linked = true;
		411	head->next = first_archetype;
		412	first_archetype = head;
		413	}
		414
		415	// reassemble new chain
		416	archetype *prev = head;
		417	for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
		418	{
		419	archetype *at = p->first;
		420	overwrite (at, p->second);
		421
		422	if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
		423	if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
		424
		425	at->head = head;
		426	at->clone.head = &head->clone;
		427	prev->more = at;
		428	prev->clone.more = &at->clone;
		429
		430	prev = at;
		431	}
		432
		433	loading_arch = false;
		434	return head;
		435	}
		436
		437	fail:
		438	for (auto (p, parts.begin ()); p != parts.end (); ++p)
		439	p->second->destroy (true);
		440
		441	loading_arch = false;
		442	return 0;
		443	}
		444
		445	/*
		446	* Initialize global archtype pointers:
		447	*/
431	void	448	void
432	second_arch_pass (object_thawer & thawer)	449	init_archetype_pointers ()
433	{	450	{
434	char buf[MAX_BUF], variable = buf, argument, *cp;	451	ring_arch = archetype::find ("ring");
435	archetype at = NULL, other;	452	amulet_arch = archetype::find ("amulet");
436		453	staff_arch = archetype::find ("staff");
437	while (fgets (buf, MAX_BUF, thawer) != NULL)	454	crown_arch = archetype::find ("crown");
438	{	455	empty_archetype = archetype::find ("empty_archetype");
439	if (*buf == '#')
440	continue;
441
442	if ((argument = strchr (buf, ' ')) != NULL)
443	{
444	*argument = '\0', argument++;
445	cp = argument + strlen (argument) - 1;
446	while (isspace (*cp))
447	{
448	*cp = '\0';
449	cp--;
450	}
451	}
452
453	if (!strcmp ("object", variable))
454	{
455	if ((at = archetype::find (argument)) == NULL)
456	LOG (llevError, "Warning: failed to find arch %s\n", argument);
457	}
458	else if (!strcmp ("other_arch", variable))
459	{
460	if (at != NULL && at->clone.other_arch == NULL)
461	{
462	if ((other = archetype::find (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	}
468	else if (!strcmp ("randomitems", variable))
469	{
470	if (at)
471	{
472	treasurelist *tl = find_treasurelist (argument);
473
474	if (tl == NULL)
475	LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
476	else
477	at->clone.randomitems = tl;
478	}
479	}
480	}
481	}
482
483	#ifdef DEBUG
484	void
485	check_generators (void)
486	{
487	archetype *at;
488
489	for (at = first_archetype; at != NULL; at = at->next)
490	if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
491	LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
492	}
493	#endif
494
495	/*
496	* First initialises the archtype hash-table (init_archetable()).
497	* Reads and parses the archetype file (with the first and second-pass
498	* functions).
499	* Then initialises treasures by calling load_treasures().
500	*/
501
502	void
503	load_archetypes (void)
504	{
505	char filename[MAX_BUF];
506
507	sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
508	LOG (llevDebug, "Reading archetypes from %s:\n", filename);
509
510	{
511	object_thawer
512	thawer (filename);
513
514	LOG (llevDebug, " arch-pass 1...\n");
515	first_arch_pass (thawer);
516	LOG (llevDebug, " done\n");
517	}
518
519	init_archetable ();
520	warn_archetypes = 1;
521
522	{
523	object_thawer
524	thawer (filename);
525
526	LOG (llevDebug, " loading treasure...\n");
527	load_treasures ();
528	LOG (llevDebug, " done\n");
529	LOG (llevDebug, " arch-pass 2...\n");
530	second_arch_pass (thawer);
531	LOG (llevDebug, " done\n");
532	#ifdef DEBUG
533	check_generators ();
534	#endif
535	}
536	LOG (llevDebug, " done\n");
537	}	456	}
538		457
539	/*	458	/*
540	* Creates and returns a new object which is a copy of the given archetype.	459	* Creates and returns a new object which is a copy of the given archetype.
541	* This function returns NULL on failure.	460	* This function returns NULL on failure.
542	*/	461	*/
543	object *	462	object *
544	arch_to_object (archetype *at)	463	arch_to_object (archetype *at)
545	{	464	{
546	object *op;	465	if (!at)
547
548	if (at == NULL)
549	{	466	{
550	if (warn_archetypes)
551	LOG (llevError, "Couldn't find archetype.\n");	467	LOG (llevError, "Couldn't find archetype.\n");
552
553	return NULL;	468	return 0;
554	}	469	}
555		470
556	op = at->clone.clone ();	471	object *op = at->clone.clone ();
557	op->arch = at;	472	op->arch = at;
558	op->instantiate ();	473	op->instantiate ();
		474
559	return op;	475	return op;
560	}	476	}
561		477
562	/*	478	/*
563	* Creates an object. This function is called by get_archetype()	479	* Creates an object. This function is called by get_archetype()
…		…
592		508
593	return arch_to_object (at);	509	return arch_to_object (at);
594	}	510	}
595		511
596	/*	512	/*
597	* Hash-function used by the arch-hashtable.
598	*/
599
600	unsigned long
601	hasharch (const char *str, int tablesize)
602	{
603	unsigned long hash = 0;
604	unsigned int i = 0;
605	const char *p;
606
607	/* use the one-at-a-time hash function, which supposedly is
608	* better than the djb2-like one used by perl5.005, but
609	* certainly is better then the bug used here before.
610	* see http://burtleburtle.net/bob/hash/doobs.html
611	*/
612	for (p = str; i < MAXSTRING && *p; p++, i++)
613	{
614	hash += *p;
615	hash += hash << 10;
616	hash ^= hash >> 6;
617	}
618
619	hash += hash << 3;
620	hash ^= hash >> 11;
621	hash += hash << 15;
622
623	return hash % tablesize;
624	}
625
626	/*
627	* Finds, using the hashtable, which archetype matches the given name.	513	* Finds, using the hashtable, which archetype matches the given name.
628	* returns a pointer to the found archetype, otherwise NULL.	514	* returns a pointer to the found archetype, otherwise NULL.
629	*/	515	*/
630	archetype *	516	archetype *
631	archetype::find (const char *name)	517	archetype::find (const char *name)
632	{	518	{
633	if (!name)	519	if (!name)
634	return 0;	520	return 0;
635		521
636	AUTODECL (i, ht.find (name));	522	auto (i, ht.find (name));
637		523
638	if (i == ht.end ())	524	if (i == ht.end ())
639	return 0;	525	return 0;
640	else	526	else
641	return i->second;	527	return i->second;
642	}	528	}
643		529
		530	archetype *
		531	archetype::get (const char *name)
		532	{
		533	if (!name)
		534	{
		535	LOG (llevError, "null archetype requested\n");
		536	name = "(null)";
		537	}
		538
		539	archetype *at = find (name);
		540
		541	if (!at)
		542	{
		543	archetypes.push_back (at = new archetype);
		544	at->name = at->clone.name = at->clone.name_pl = name;
		545	at->hash_add ();
		546	}
		547
		548	return at;
		549	}
		550
644	/*	551	/*
645	* Adds an archetype to the hashtable.	552	* Adds an archetype to the hashtable.
646	*/	553	*/
647	void	554	void
648	archetype::hash_add ()	555	archetype::hash_add ()
…		…
661	* Used in treasure-generation.	568	* Used in treasure-generation.
662	*/	569	*/
663	archetype *	570	archetype *
664	type_to_archetype (int type)	571	type_to_archetype (int type)
665	{	572	{
666	archetype *at;
667
668	for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)	573	for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
669	if (at->clone.type == type)	574	if (at->clone.type == type)
670	return at;	575	return at;
671		576
672	return 0;	577	return 0;
673	}	578	}
…		…
675	/*	580	/*
676	* Returns a new object copied from the first archetype matching	581	* Returns a new object copied from the first archetype matching
677	* the given type.	582	* the given type.
678	* Used in treasure-generation.	583	* Used in treasure-generation.
679	*/	584	*/
680
681	object *	585	object *
682	clone_arch (int type)	586	clone_arch (int type)
683	{	587	{
684	archetype *at;	588	archetype *at;
685		589

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Comparing deliantra/server/common/arch.C (file contents): Revision 1.42 by root, Fri Feb 9 01:52:10 2007 UTC vs. Revision 1.59 by root, Mon May 7 06:01:47 2007 UTC

Diff Legend

Comparing deliantra/server/common/arch.C (file contents):
Revision 1.42 by root, Fri Feb 9 01:52:10 2007 UTC vs.
Revision 1.59 by root, Mon May 7 06:01:47 2007 UTC