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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs.
Revision 1.61 by root, Tue Jul 10 05:51:37 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
9	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
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21
22	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/*	24	/*
26	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
27	*/	26	*/
28		27
36	#include <global.h>	35	#include <global.h>
37	#include <funcpoint.h>	36	#include <funcpoint.h>
38	#include <material.h>	37	#include <material.h>
39		38
40	#include <glib.h>	39	#include <glib.h>
		40
		41	rand_gen rndm;
		42
		43	void
		44	tausworthe_random_generator::seed (uint32_t seed)
		45	{
		46	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		47	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		48	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		49	state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
		50
		51	for (int i = 11; --i; )
		52	operator ()();
		53	}
		54
		55	uint32_t
		56	tausworthe_random_generator::next ()
		57	{
		58	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		59	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		60	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		61	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		62
		63	return state [0] ^ state [1] ^ state [2] ^ state [3];
		64	}
		65
		66	uint32_t
		67	tausworthe_random_generator::get_range (uint32_t num)
		68	{
		69	return (next () * (uint64_t)num) >> 32U;
		70	}
		71
		72	// return a number within (min .. max)
		73	int
		74	tausworthe_random_generator::get_range (int r_min, int r_max)
		75	{
		76	return r_min + get_range (max (r_max - r_min + 1, 0));
		77	}
41		78
42	/*	79	/*
43	* The random functions here take luck into account when rolling random	80	* The random functions here take luck into account when rolling random
44	* dice or numbers. This function has less of an impact the larger the	81	* dice or numbers. This function has less of an impact the larger the
45	* difference becomes in the random numbers. IE, the effect is lessened	82	* difference becomes in the random numbers. IE, the effect is lessened
…		…
52	* Roll a random number between min and max. Uses op to determine luck,	89	* Roll a random number between min and max. Uses op to determine luck,
53	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.	90	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
54	* Generally, op should be the player/caster/hitter requesting the roll,	91	* Generally, op should be the player/caster/hitter requesting the roll,
55	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	92	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
56	*/	93	*/
57
58	int	94	int
59	random_roll (int min, int max, const object *op, int goodbad)	95	random_roll (int r_min, int r_max, const object *op, int goodbad)
60	{	96	{
61	int omin, diff, luck, base, ran;	97	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
62		98
63	omin = min;	99	if (r_max < r_min)
64	diff = max - min + 1;
65	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
66
67	if (max < 1 \|\| diff < 1)
68	{	100	{
69	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);	101	LOG (llevError \| logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
		102	return r_min;
		103	}
		104
		105	if (op->type == PLAYER)
		106	{
		107	int luck = op->stats.luck;
		108
		109	if (rndm (base) < min (10, abs (luck)))
		110	{
		111	//TODO: take luck into account
		112	}
		113	}
		114
		115	return rndm (r_min, r_max);
		116	}
		117
		118	/*
		119	* This is a 64 bit version of random_roll above. This is needed
		120	* for exp loss calculations for players changing religions.
		121	*/
		122	sint64
		123	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
		124	{
		125	sint64 omin = min;
		126	sint64 diff = max - min + 1;
		127	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		128
		129	if (diff < 0)
		130	{
		131	LOG (llevError \| logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
70	return (min); /* avoids a float exception */	132	return (min); /* avoids a float exception */
71	}	133	}
72		134
73	ran = RANDOM ();	135	/*
		136	* Make a call to get two 32 bit unsigned random numbers, and just to
		137	* a little bitshifting.
		138	*/
		139	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
74		140
75	if (op->type != PLAYER)	141	if (op->type != PLAYER)
76	return ((ran % diff) + min);	142	return ((ran % diff) + min);
77		143
78	luck = op->stats.luck;	144	int luck = op->stats.luck;
		145
79	if (RANDOM () % base < MIN (10, abs (luck)))	146	if (rndm (base) < MIN (10, abs (luck)))
80	{	147	{
81	/* we have a winner */	148	/* we have a winner */
82	((luck > 0) ? (luck = 1) : (luck = -1));	149	((luck > 0) ? (luck = 1) : (luck = -1));
83	diff -= luck;	150	diff -= luck;
84	if (diff < 1)	151	if (diff < 1)
85	return (omin); /check again /	152	return (omin); /check again /
		153
86	((goodbad) ? (min += luck) : (diff));	154	((goodbad) ? (min += luck) : (diff));
87		155
88	return (MAX (omin, MIN (max, (ran % diff) + min)));	156	return (MAX (omin, MIN (max, (ran % diff) + min)));
89	}	157	}
		158
90	return ((ran % diff) + min);	159	return ran % diff + min;
91	}
92
93	/*
94	* This is a 64 bit version of random_roll above. This is needed
95	* for exp loss calculations for players changing religions.
96	*/
97
98	sint64
99	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
100	{
101	sint64 omin, diff, luck, ran;
102	int base;
103
104	omin = min;
105	diff = max - min + 1;
106	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
107
108	if (max < 1 \|\| diff < 1)
109	{
110	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
111	return (min); /* avoids a float exception */
112	}
113
114	/* Don't know of a portable call to get 64 bit random values.
115	* So make a call to get two 32 bit random numbers, and just to
116	* a little byteshifting. Do make sure the first one is only
117	* 32 bit, so we don't get skewed results
118	*/
119	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);
120
121	if (op->type != PLAYER)
122	return ((ran % diff) + min);
123
124	luck = op->stats.luck;
125	if (RANDOM () % base < MIN (10, abs (luck)))
126	{
127	/* we have a winner */
128	((luck > 0) ? (luck = 1) : (luck = -1));
129	diff -= luck;
130	if (diff < 1)
131	return (omin); /check again /
132	((goodbad) ? (min += luck) : (diff));
133
134	return (MAX (omin, MIN (max, (ran % diff) + min)));
135	}
136	return ((ran % diff) + min);
137	}	160	}
138		161
139	/*	162	/*
140	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	163	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,
141	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.	164	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.
142	* Generally, op should be the player/caster/hitter requesting the roll,	165	* Generally, op should be the player/caster/hitter requesting the roll,
143	* not the recipient (ie, the poor slob getting hit).	166	* not the recipient (ie, the poor slob getting hit).
144	* The args are num D size (ie 4d6) [garbled 20010916]	167	* The args are num D size (ie 4d6) [garbled 20010916]
145	*/	168	*/
146
147	int	169	int
148	die_roll (int num, int size, const object *op, int goodbad)	170	die_roll (int num, int size, const object *op, int goodbad)
149	{	171	{
150	int min, diff, luck, total, i, gotlucky, base, ran;	172	int min, luck, total, i, gotlucky;
151		173
152	diff = size;	174	int diff = size;
153	min = 1;	175	min = 1;
154	luck = total = gotlucky = 0;	176	luck = total = gotlucky = 0;
155	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	177	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		178
156	if (size < 2 \|\| diff < 1)	179	if (size < 2 \|\| diff < 1)
157	{	180	{
158	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	181	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
159	return (num); /* avoids a float exception */	182	return num; /* avoids a float exception */
160	}	183	}
161		184
162	if (op->type == PLAYER)	185	if (op->type == PLAYER)
163	luck = op->stats.luck;	186	luck = op->stats.luck;
164		187
165	for (i = 0; i < num; i++)	188	for (i = 0; i < num; i++)
166	{	189	{
167	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	190	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
168	{	191	{
169	/* we have a winner */	192	/* we have a winner */
170	gotlucky++;	193	gotlucky++;
171	((luck > 0) ? (luck = 1) : (luck = -1));	194	((luck > 0) ? (luck = 1) : (luck = -1));
172	diff -= luck;	195	diff -= luck;
173	if (diff < 1)	196	if (diff < 1)
174	return (num); /check again /	197	return (num); /check again /
175	((goodbad) ? (min += luck) : (diff));	198	((goodbad) ? (min += luck) : (diff));
176	ran = RANDOM ();
177	total += MAX (1, MIN (size, (ran % diff) + min));	199	total += MAX (1, MIN (size, rndm (diff) + min));
178	}	200	}
179	else	201	else
180	{
181	total += RANDOM () % size + 1;	202	total += rndm (size) + 1;
182	}
183	}	203	}
		204
184	return (total);	205	return total;
185	}
186
187	/*
188	* Another convenience function. Returns a number between min and max.
189	* It is suggested one use these functions rather than RANDOM()%, as it
190	* would appear that a number of off-by-one-errors exist due to improper
191	* use of %. This should also prevent SIGFPE.
192	*/
193
194	int
195	rndm (int min, int max)
196	{
197	int diff;
198
199	diff = max - min + 1;
200	if (max < 1 \|\| diff < 1)
201	return (min);
202
203	return (RANDOM () % diff + min);
204	}
205
206	/* decay and destroy perishable items in a map */
207	void
208	maptile::decay_objects ()
209	{
210	if (!spaces)
211	return;
212
213	for (mapspace *ms = spaces + size (); ms-- > spaces; )
214	for (object above, op = ms->bot; op; op = above)
215	{
216	above = op->above;
217
218	bool destroy = 0;
219
220	// do not decay anything above unique floor tiles (yet :)
221	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
222	break;
223
224	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
225	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
226	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
227	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
228	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
229	\|\| QUERY_FLAG (op, FLAG_UNPAID)
230	\|\| op->is_alive ())
231	; // do not decay
232	else if (op->is_weapon ())
233	{
234	op->stats.dam--;
235	if (op->stats.dam < 0)
236	destroy = 1;
237	}
238	else if (op->is_armor ())
239	{
240	op->stats.ac--;
241	if (op->stats.ac < 0)
242	destroy = 1;
243	}
244	else if (op->type == FOOD)
245	{
246	op->stats.food -= rndm (5, 20);
247	if (op->stats.food < 0)
248	destroy = 1;
249	}
250	else
251	{
252	int mat = op->material;
253
254	if (mat & M_PAPER
255	\|\| mat & M_LEATHER
256	\|\| mat & M_WOOD
257	\|\| mat & M_ORGANIC
258	\|\| mat & M_CLOTH
259	\|\| mat & M_LIQUID
260	\|\| (mat & M_IRON && rndm (1, 5) == 1)
261	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
262	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
263	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
264	\|\| (mat & M_ICE && temp > 32))
265	destroy = 1;
266	}
267
268	/* adjust overall chance below */
269	if (destroy && rndm (0, 1))
270	op->destroy ();
271	}
272	}	206	}
273		207
274	/* convert materialname to materialtype_t */	208	/* convert materialname to materialtype_t */
275		209
276	materialtype_t *	210	materialtype_t *
277	name_to_material (const char *name)	211	name_to_material (const shstr &name)
278	{	212	{
279	materialtype_t mt, nmt;	213	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
280		214	if (name == mt->name)
281	mt = NULL;
282	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
283	{
284	if (strcmp (name, nmt->name) == 0)
285	{
286	mt = nmt;
287	break;
288	}
289	}
290	return mt;	215	return mt;
		216
		217	return materialt;
291	}	218	}
292		219
293	/* when doing transmutation of objects, we have to recheck the resistances,	220	/* when doing transmutation of objects, we have to recheck the resistances,
294	* as some that did not apply previously, may apply now.	221	* as some that did not apply previously, may apply now.
295	*/	222	*/
…		…
310	return;	237	return;
311		238
312	mt = name_to_material (op->materialname);	239	mt = name_to_material (op->materialname);
313	if (!mt)	240	if (!mt)
314	{	241	{
315	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	242	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
316	return;	243	return;
317	}	244	}
318		245
319	for (j = 0; j < NROFATTACKS; j++)	246	for (j = 0; j < NROFATTACKS; j++)
320	if (op->resist[j] == 0 && change->resist[j] != 0)	247	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
331	void	258	void
332	set_materialname (object op, int difficulty, materialtype_t nmt)	259	set_materialname (object op, int difficulty, materialtype_t nmt)
333	{	260	{
334	materialtype_t mt, lmt;	261	materialtype_t mt, lmt;
335		262
336	#ifdef NEW_MATERIAL_CODE
337	int j;
338	#endif
339
340	if (op->materialname != NULL)	263	if (op->materialname != NULL)
341	return;	264	return;
342		265
343
344
345	if (nmt == NULL)	266	if (nmt == NULL)
346	{	267	{
347	lmt = NULL;	268	lmt = NULL;
348	#ifndef NEW_MATERIAL_CODE	269
349	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	270	for (mt = materialt; mt && mt->next; mt = mt->next)
350	{	271	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
351	if (op->material & mt->material)	272	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
352	{	273	{
353	lmt = mt;	274	lmt = mt;
		275	if (!(op->is_weapon () \|\| op->is_armor ()))
354	break;	276	break;
355	}	277	}
356	}
357
358	#else
359	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
360	{
361	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
362	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
363	{
364	lmt = mt;
365	if (!(op->is_weapon () \|\| op->is_armor ()))
366	break;
367	}
368	}
369	#endif
370	}	278	}
371	else	279	else
372	{
373	lmt = nmt;	280	lmt = nmt;
374	}
375		281
376	if (lmt != NULL)	282	if (lmt != NULL)
377	{	283	{
378	#ifndef NEW_MATERIAL_CODE
379	op->materialname = lmt->name;
380	return;
381	#else
382
383	if (op->stats.dam && op->is_weapon ())	284	if (op->stats.dam && op->is_weapon ())
384	{	285	{
385	op->stats.dam += lmt->damage;	286	op->stats.dam += lmt->damage;
386	if (op->stats.dam < 1)	287	if (op->stats.dam < 1)
387	op->stats.dam = 1;	288	op->stats.dam = 1;
388	}	289	}
		290
389	if (op->stats.sp && op->type == BOW)	291	if (op->stats.sp && op->type == BOW)
390	op->stats.sp += lmt->sp;	292	op->stats.sp += lmt->sp;
391	if (op->stats.wc && op->is_weapon ())	293	if (op->stats.wc && op->is_weapon ())
392	op->stats.wc += lmt->wc;	294	op->stats.wc += lmt->wc;
393	if (op->is_armor ())	295	if (op->is_armor ())
394	{	296	{
395	if (op->stats.ac)	297	if (op->stats.ac)
396	op->stats.ac += lmt->ac;	298	op->stats.ac += lmt->ac;
		299
397	for (j = 0; j < NROFATTACKS; j++)	300	for (int j = 0; j < NROFATTACKS; j++)
398	if (op->resist[j] != 0)	301	if (op->resist[j] != 0)
399	{	302	{
400	op->resist[j] += lmt->mod[j];	303	op->resist[j] += lmt->mod[j];
401	if (op->resist[j] > 100)	304	if (op->resist[j] > 100)
402	op->resist[j] = 100;	305	op->resist[j] = 100;
403	if (op->resist[j] < -100)	306	if (op->resist[j] < -100)
404	op->resist[j] = -100;	307	op->resist[j] = -100;
405	}	308	}
406	}	309	}
		310
407	op->materialname = add_string (lmt->name);	311	op->materialname = lmt->name;
408	/* dont make it unstackable if it doesn't need to be */	312	/* dont make it unstackable if it doesn't need to be */
409	if (op->is_weapon () \|\| op->is_armor ())	313	if (op->is_weapon () \|\| op->is_armor ())
410	{	314	{
411	op->weight = (op->weight * lmt->weight) / 100;	315	op->weight = (op->weight * lmt->weight) / 100;
412	op->value = (op->value * lmt->value) / 100;	316	op->value = (op->value * lmt->value) / 100;
413	}	317	}
414	#endif
415	}	318	}
416	}	319	}
417		320
418	/*	321	/*
419	* Strip out the media tags from a String.	322	* Strip out the media tags from a String.
…		…
552	/////////////////////////////////////////////////////////////////////////////	455	/////////////////////////////////////////////////////////////////////////////
553		456
554	void	457	void
555	fork_abort (const char *msg)	458	fork_abort (const char *msg)
556	{	459	{
		460	if (!fork ())
		461	{
		462	signal (SIGABRT, SIG_DFL);
		463	// try to put corefiles into a subdirectory, if existing, to allow
		464	// an administrator to reduce the I/O load.
		465	chdir ("cores");
		466	abort ();
		467	}
		468
557	LOG (llevError, "fork abort: %s\n", msg);	469	LOG (llevError, "fork abort: %s\n", msg);
558	if (!fork ())
559	{
560	signal (SIGABRT, SIG_DFL);
561	abort ();
562	}
563
564	}	470	}
		471
565	void *salloc_ (int n) throw (std::bad_alloc)	472	void *salloc_ (int n) throw (std::bad_alloc)
566	{	473	{
		474	#ifdef PREFER_MALLOC
		475	void *ptr = malloc (n);
		476	#else
567	void *ptr = g_slice_alloc (n);	477	void *ptr = g_slice_alloc (n);
		478	#endif
568		479
569	if (!ptr)	480	if (!ptr)
570	throw std::bad_alloc ();	481	throw std::bad_alloc ();
571		482
572	return ptr;	483	return ptr;
…		…
606	}	517	}
607	else	518	else
608	memcpy (dst, src, len + 1);	519	memcpy (dst, src, len + 1);
609	}	520	}
610		521
		522	const std::string
		523	format (const char *format, ...)
		524	{
		525	int len;
		526
		527	{
		528	char buf[128];
		529
		530	va_list ap;
		531	va_start (ap, format);
		532	len = vsnprintf (buf, sizeof (buf), format, ap);
		533	va_end (ap);
		534
		535	assert (len >= 0); // shield againstz broken vsnprintf's
		536
		537	// was our static buffer short enough?
		538	if (len < sizeof (buf))
		539	return std::string (buf, len);
		540	}
		541
		542	{
		543	// longer, try harder
		544	char *buf = salloc<char> (len + 1);
		545
		546	va_list ap;
		547	va_start (ap, format);
		548	vsnprintf (buf, len + 1, format, ap);
		549	va_end (ap);
		550
		551	const std::string s (buf, len);
		552	sfree<char> (buf, len + 1);
		553
		554	return buf;
		555	}
		556	}
		557
611	tstamp now ()	558	tstamp now ()
612	{	559	{
613	struct timeval tv;	560	struct timeval tv;
614		561
615	gettimeofday (&tv, 0);	562	gettimeofday (&tv, 0);
…		…
624		571
625	int diff = (b - a) & 7;	572	int diff = (b - a) & 7;
626	return diff <= 1 \|\| diff >= 7;	573	return diff <= 1 \|\| diff >= 7;
627	}	574	}
628		575
		576	/* crc32 0xdebb20e3 table and supplementary functions. */
		577	extern const uint32_t crc_32_tab[256] =
		578	{
		579	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		580	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		581	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		582	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		583	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		584	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		585	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		586	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		587	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		588	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		589	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		590	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		591	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		592	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		593	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		594	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		595	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		596	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		597	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		598	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		599	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		600	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		601	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		602	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		603	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		604	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		605	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		606	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		607	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		608	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		609	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		610	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		611	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		612	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		613	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		614	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		615	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		616	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		617	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		618	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		619	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		620	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		621	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		622	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		623	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		624	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		625	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		626	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		627	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		628	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		629	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		630	0x2d02ef8dL
		631	};
		632
		633

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs. Revision 1.61 by root, Tue Jul 10 05:51:37 2007 UTC

Diff Legend

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs.
Revision 1.61 by root, Tue Jul 10 05:51:37 2007 UTC