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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.26 by root, Mon Dec 18 03:00:02 2006 UTC vs.
Revision 1.66 by root, Sun Sep 9 06:56:10 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 (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	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
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	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
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	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>
22	*/	22	*/
23		23
24	/*	24	/*
25	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
26	*/	26	*/
		27
		28	#include <cstdlib>
		29	#include <sys/types.h>
		30	#include <unistd.h>
		31	#include <sys/time.h>
		32	#include <time.h>
		33	#include <signal.h>
27		34
28	#include <global.h>	35	#include <global.h>
29	#include <funcpoint.h>	36	#include <funcpoint.h>
30	#include <material.h>	37	#include <material.h>
31		38
32	#include <sys/time.h>
33	#include <time.h>
34	#include <glib.h>	39	#include <glib.h>
		40
		41	refcnt_base::refcnt_t refcnt_dummy;
		42
		43	rand_gen rndm;
		44
		45	void
		46	tausworthe_random_generator::seed (uint32_t seed)
		47	{
		48	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		49	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		50	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		51	state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
		52
		53	for (int i = 11; --i; )
		54	operator ()();
		55	}
		56
		57	uint32_t
		58	tausworthe_random_generator::next ()
		59	{
		60	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		61	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		62	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		63	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		64
		65	return state [0] ^ state [1] ^ state [2] ^ state [3];
		66	}
		67
		68	uint32_t
		69	tausworthe_random_generator::get_range (uint32_t num)
		70	{
		71	return (next () * (uint64_t)num) >> 32U;
		72	}
		73
		74	// return a number within (min .. max)
		75	int
		76	tausworthe_random_generator::get_range (int r_min, int r_max)
		77	{
		78	return r_min + get_range (max (r_max - r_min + 1, 0));
		79	}
35		80
36	/*	81	/*
37	* The random functions here take luck into account when rolling random	82	* The random functions here take luck into account when rolling random
38	* dice or numbers. This function has less of an impact the larger the	83	* dice or numbers. This function has less of an impact the larger the
39	* difference becomes in the random numbers. IE, the effect is lessened	84	* difference becomes in the random numbers. IE, the effect is lessened
46	* Roll a random number between min and max. Uses op to determine luck,	91	* Roll a random number between min and max. Uses op to determine luck,
47	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.	92	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
48	* Generally, op should be the player/caster/hitter requesting the roll,	93	* Generally, op should be the player/caster/hitter requesting the roll,
49	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	94	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50	*/	95	*/
51
52	int	96	int
53	random_roll (int min, int max, const object *op, int goodbad)	97	random_roll (int r_min, int r_max, const object *op, int goodbad)
54	{	98	{
55	int omin, diff, luck, base, ran;	99	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56		100
57	omin = min;	101	if (r_max < r_min)
58	diff = max - min + 1;
59	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
60
61	if (max < 1 \|\| diff < 1)
62	{	102	{
63	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);	103	LOG (llevError \| logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
		104	return r_min;
		105	}
		106
		107	if (op->type == PLAYER)
		108	{
		109	int luck = op->stats.luck;
		110
		111	if (rndm (base) < min (10, abs (luck)))
		112	{
		113	//TODO: take luck into account
		114	}
		115	}
		116
		117	return rndm (r_min, r_max);
		118	}
		119
		120	/*
		121	* This is a 64 bit version of random_roll above. This is needed
		122	* for exp loss calculations for players changing religions.
		123	*/
		124	sint64
		125	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
		126	{
		127	sint64 omin = min;
		128	sint64 diff = max - min + 1;
		129	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		130
		131	if (diff < 0)
		132	{
		133	LOG (llevError \| logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
64	return (min); /* avoids a float exception */	134	return (min); /* avoids a float exception */
65	}	135	}
66		136
67	ran = RANDOM ();	137	/*
		138	* Make a call to get two 32 bit unsigned random numbers, and just to
		139	* a little bitshifting.
		140	*/
		141	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
68		142
69	if (op->type != PLAYER)	143	if (op->type != PLAYER)
70	return ((ran % diff) + min);	144	return ((ran % diff) + min);
71		145
72	luck = op->stats.luck;	146	int luck = op->stats.luck;
		147
73	if (RANDOM () % base < MIN (10, abs (luck)))	148	if (rndm (base) < MIN (10, abs (luck)))
74	{	149	{
75	/* we have a winner */	150	/* we have a winner */
76	((luck > 0) ? (luck = 1) : (luck = -1));	151	((luck > 0) ? (luck = 1) : (luck = -1));
77	diff -= luck;	152	diff -= luck;
78	if (diff < 1)	153	if (diff < 1)
79	return (omin); /check again /	154	return (omin); /check again /
		155
80	((goodbad) ? (min += luck) : (diff));	156	((goodbad) ? (min += luck) : (diff));
81		157
82	return (MAX (omin, MIN (max, (ran % diff) + min)));	158	return (MAX (omin, MIN (max, (ran % diff) + min)));
83	}	159	}
		160
84	return ((ran % diff) + min);	161	return ran % diff + min;
85	}
86
87	/*
88	* This is a 64 bit version of random_roll above. This is needed
89	* for exp loss calculations for players changing religions.
90	*/
91
92	sint64
93	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
94	{
95	sint64 omin, diff, luck, ran;
96	int base;
97
98	omin = min;
99	diff = max - min + 1;
100	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
101
102	if (max < 1 \|\| diff < 1)
103	{
104	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
105	return (min); /* avoids a float exception */
106	}
107
108	/* Don't know of a portable call to get 64 bit random values.
109	* So make a call to get two 32 bit random numbers, and just to
110	* a little byteshifting. Do make sure the first one is only
111	* 32 bit, so we don't get skewed results
112	*/
113	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);
114
115	if (op->type != PLAYER)
116	return ((ran % diff) + min);
117
118	luck = op->stats.luck;
119	if (RANDOM () % base < MIN (10, abs (luck)))
120	{
121	/* we have a winner */
122	((luck > 0) ? (luck = 1) : (luck = -1));
123	diff -= luck;
124	if (diff < 1)
125	return (omin); /check again /
126	((goodbad) ? (min += luck) : (diff));
127
128	return (MAX (omin, MIN (max, (ran % diff) + min)));
129	}
130	return ((ran % diff) + min);
131	}	162	}
132		163
133	/*	164	/*
134	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	165	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,
135	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.	166	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.
136	* Generally, op should be the player/caster/hitter requesting the roll,	167	* Generally, op should be the player/caster/hitter requesting the roll,
137	* not the recipient (ie, the poor slob getting hit).	168	* not the recipient (ie, the poor slob getting hit).
138	* The args are num D size (ie 4d6) [garbled 20010916]	169	* The args are num D size (ie 4d6) [garbled 20010916]
139	*/	170	*/
140
141	int	171	int
142	die_roll (int num, int size, const object *op, int goodbad)	172	die_roll (int num, int size, const object *op, int goodbad)
143	{	173	{
144	int min, diff, luck, total, i, gotlucky, base, ran;	174	int min, luck, total, i, gotlucky;
145		175
146	diff = size;	176	int diff = size;
147	min = 1;	177	min = 1;
148	luck = total = gotlucky = 0;	178	luck = total = gotlucky = 0;
149	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	179	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		180
150	if (size < 2 \|\| diff < 1)	181	if (size < 2 \|\| diff < 1)
151	{	182	{
152	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	183	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
153	return (num); /* avoids a float exception */	184	return num; /* avoids a float exception */
154	}	185	}
155		186
156	if (op->type == PLAYER)	187	if (op->type == PLAYER)
157	luck = op->stats.luck;	188	luck = op->stats.luck;
158		189
159	for (i = 0; i < num; i++)	190	for (i = 0; i < num; i++)
160	{	191	{
161	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	192	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162	{	193	{
163	/* we have a winner */	194	/* we have a winner */
164	gotlucky++;	195	gotlucky++;
165	((luck > 0) ? (luck = 1) : (luck = -1));	196	((luck > 0) ? (luck = 1) : (luck = -1));
166	diff -= luck;	197	diff -= luck;
167	if (diff < 1)	198	if (diff < 1)
168	return (num); /check again /	199	return (num); /check again /
169	((goodbad) ? (min += luck) : (diff));	200	((goodbad) ? (min += luck) : (diff));
170	ran = RANDOM ();
171	total += MAX (1, MIN (size, (ran % diff) + min));	201	total += MAX (1, MIN (size, rndm (diff) + min));
172	}	202	}
173	else	203	else
174	{
175	total += RANDOM () % size + 1;	204	total += rndm (size) + 1;
176	}
177	}	205	}
		206
178	return (total);	207	return total;
179	}
180
181	/*
182	* Another convenience function. Returns a number between min and max.
183	* It is suggested one use these functions rather than RANDOM()%, as it
184	* would appear that a number of off-by-one-errors exist due to improper
185	* use of %. This should also prevent SIGFPE.
186	*/
187
188	int
189	rndm (int min, int max)
190	{
191	int diff;
192
193	diff = max - min + 1;
194	if (max < 1 \|\| diff < 1)
195	return (min);
196
197	return (RANDOM () % diff + min);
198	}
199
200	/* decay and destroy persihable items in a map */
201
202	void
203	decay_objects (maptile *m)
204	{
205	int x, y, destroy;
206	object op, otmp;
207
208	if (m->unique)
209	return;
210
211	for (x = 0; x < MAP_WIDTH (m); x++)
212	for (y = 0; y < MAP_HEIGHT (m); y++)
213	for (op = get_map_ob (m, x, y); op; op = otmp)
214	{
215	destroy = 0;
216	otmp = op->above;
217	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
218	break;
219	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
220	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
221	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
222	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
223	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
224	\|\| QUERY_FLAG (op, FLAG_UNPAID)
225	\|\| op->is_alive ())
226	continue;
227
228	/* otherwise, we decay and destroy */
229	if (op->is_weapon ())
230	{
231	op->stats.dam--;
232	if (op->stats.dam < 0)
233	destroy = 1;
234	}
235	else if (op->is_armor ())
236	{
237	op->stats.ac--;
238	if (op->stats.ac < 0)
239	destroy = 1;
240	}
241	else if (op->type == FOOD)
242	{
243	op->stats.food -= rndm (5, 20);
244	if (op->stats.food < 0)
245	destroy = 1;
246	}
247	else
248	{
249	if (op->material & M_PAPER \|\| op->material & M_LEATHER \|\|
250	op->material & M_WOOD \|\| op->material & M_ORGANIC \|\| op->material & M_CLOTH \|\| op->material & M_LIQUID)
251	destroy = 1;
252	if (op->material & M_IRON && rndm (1, 5) == 1)
253	destroy = 1;
254	if (op->material & M_GLASS && rndm (1, 2) == 1)
255	destroy = 1;
256	if ((op->material & M_STONE \|\| op->material & M_ADAMANT) && rndm (1, 10) == 1)
257	destroy = 1;
258	if ((op->material & M_SOFT_METAL \|\| op->material & M_BONE) && rndm (1, 3) == 1)
259	destroy = 1;
260	if (op->material & M_ICE && MAP_TEMP (m) > 32)
261	destroy = 1;
262	}
263	/* adjust overall chance below */
264	if (destroy && rndm (0, 1))
265	op->destroy ();
266	}
267	}	208	}
268		209
269	/* convert materialname to materialtype_t */	210	/* convert materialname to materialtype_t */
270		211
271	materialtype_t *	212	materialtype_t *
272	name_to_material (const char *name)	213	name_to_material (const shstr &name)
273	{	214	{
274	materialtype_t mt, nmt;	215	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
		216	if (name == mt->name)
		217	return mt;
275		218
276	mt = NULL;
277	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
278	{
279	if (strcmp (name, nmt->name) == 0)
280	{
281	mt = nmt;
282	break;
283	}
284	}
285	return mt;	219	return 0;
286	}	220	}
287		221
288	/* when doing transmutation of objects, we have to recheck the resistances,	222	/* when doing transmutation of objects, we have to recheck the resistances,
289	* as some that did not apply previously, may apply now.	223	* as some that did not apply previously, may apply now.
290	*/	224	*/
291
292	void	225	void
293	transmute_materialname (object op, const object change)	226	transmute_materialname (object op, const object change)
294	{	227	{
295	materialtype_t *mt;	228	materialtype_t *mt;
296	int j;	229	int j;
…		…
305	return;	238	return;
306		239
307	mt = name_to_material (op->materialname);	240	mt = name_to_material (op->materialname);
308	if (!mt)	241	if (!mt)
309	{	242	{
310	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	243	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
311	return;	244	return;
312	}	245	}
313		246
314	for (j = 0; j < NROFATTACKS; j++)	247	for (j = 0; j < NROFATTACKS; j++)
315	if (op->resist[j] == 0 && change->resist[j] != 0)	248	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
326	void	259	void
327	set_materialname (object op, int difficulty, materialtype_t nmt)	260	set_materialname (object op, int difficulty, materialtype_t nmt)
328	{	261	{
329	materialtype_t mt, lmt;	262	materialtype_t mt, lmt;
330		263
331	#ifdef NEW_MATERIAL_CODE
332	int j;
333	#endif
334
335	if (op->materialname != NULL)	264	if (op->materialname != NULL)
336	return;	265	return;
337		266
338
339
340	if (nmt == NULL)	267	if (nmt == NULL)
341	{	268	{
342	lmt = NULL;	269	lmt = NULL;
343	#ifndef NEW_MATERIAL_CODE	270
344	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	271	for (mt = materialt; mt && mt->next; mt = mt->next)
345	{	272	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
346	if (op->material & mt->material)	273	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
347	{	274	{
348	lmt = mt;	275	lmt = mt;
		276	if (!(op->is_weapon () \|\| op->is_armor ()))
349	break;	277	break;
350	}	278	}
351	}
352
353	#else
354	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
355	{
356	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
357	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
358	{
359	lmt = mt;
360	if (!(op->is_weapon () \|\| op->is_armor ()))
361	break;
362	}
363	}
364	#endif
365	}	279	}
366	else	280	else
367	{
368	lmt = nmt;	281	lmt = nmt;
369	}
370		282
371	if (lmt != NULL)	283	if (lmt != NULL)
372	{	284	{
373	#ifndef NEW_MATERIAL_CODE
374	op->materialname = lmt->name;
375	return;
376	#else
377
378	if (op->stats.dam && op->is_weapon ())	285	if (op->stats.dam && op->is_weapon ())
379	{	286	{
380	op->stats.dam += lmt->damage;	287	op->stats.dam += lmt->damage;
381	if (op->stats.dam < 1)	288	if (op->stats.dam < 1)
382	op->stats.dam = 1;	289	op->stats.dam = 1;
383	}	290	}
		291
384	if (op->stats.sp && op->type == BOW)	292	if (op->stats.sp && op->type == BOW)
385	op->stats.sp += lmt->sp;	293	op->stats.sp += lmt->sp;
386	if (op->stats.wc && op->is_weapon ())	294	if (op->stats.wc && op->is_weapon ())
387	op->stats.wc += lmt->wc;	295	op->stats.wc += lmt->wc;
388	if (op->is_armor ())	296	if (op->is_armor ())
389	{	297	{
390	if (op->stats.ac)	298	if (op->stats.ac)
391	op->stats.ac += lmt->ac;	299	op->stats.ac += lmt->ac;
		300
392	for (j = 0; j < NROFATTACKS; j++)	301	for (int j = 0; j < NROFATTACKS; j++)
393	if (op->resist[j] != 0)	302	if (op->resist[j] != 0)
394	{	303	{
395	op->resist[j] += lmt->mod[j];	304	op->resist[j] += lmt->mod[j];
396	if (op->resist[j] > 100)	305	if (op->resist[j] > 100)
397	op->resist[j] = 100;	306	op->resist[j] = 100;
398	if (op->resist[j] < -100)	307	if (op->resist[j] < -100)
399	op->resist[j] = -100;	308	op->resist[j] = -100;
400	}	309	}
401	}	310	}
		311
402	op->materialname = add_string (lmt->name);	312	op->materialname = lmt->name;
403	/* dont make it unstackable if it doesn't need to be */	313	/* dont make it unstackable if it doesn't need to be */
404	if (op->is_weapon () \|\| op->is_armor ())	314	if (op->is_weapon () \|\| op->is_armor ())
405	{	315	{
406	op->weight = (op->weight * lmt->weight) / 100;	316	op->weight = (op->weight * lmt->weight) / 100;
407	op->value = (op->value * lmt->value) / 100;	317	op->value = (op->value * lmt->value) / 100;
408	}	318	}
409	#endif
410	}	319	}
411	}	320	}
412		321
413	/*	322	/*
414	* Strip out the media tags from a String.	323	* Strip out the media tags from a String.
…		…
509	* a 'list' for the purposes here, is a string of items, seperated by commas, except	418	* a 'list' for the purposes here, is a string of items, seperated by commas, except
510	* for the last entry, which has an 'and' before it, and a full stop (period) after it.	419	* for the last entry, which has an 'and' before it, and a full stop (period) after it.
511	* This function will also strip all trailing non alphanumeric characters.	420	* This function will also strip all trailing non alphanumeric characters.
512	* It does not insert an oxford comma.	421	* It does not insert an oxford comma.
513	*/	422	*/
514
515	void	423	void
516	make_list_like (char *input)	424	make_list_like (char *input)
517	{	425	{
518	char *p, tmp[MAX_BUF];	426	char *p, tmp[MAX_BUF];
519	int i;	427	int i;
…		…
544	return;	452	return;
545	}	453	}
546		454
547	/////////////////////////////////////////////////////////////////////////////	455	/////////////////////////////////////////////////////////////////////////////
548		456
549	#if 0	457	void
550	refcounted *refcounted::rc_first;	458	fork_abort (const char *msg)
551
552	refcounted::refcounted ()
553	{	459	{
554	refcnt = 0;	460	if (!fork ())
555	rc_next = rc_first;	461	{
556	rc_first = this;	462	signal (SIGABRT, SIG_DFL);
557	}	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	}
558		468
559	refcounted::~refcounted ()	469	LOG (llevError, "fork abort: %s\n", msg);
560	{
561	assert (!rc_next);
562	assert (!refcnt);
563	}	470	}
		471
		472	void *salloc_ (int n) throw (std::bad_alloc)
		473	{
		474	#ifdef PREFER_MALLOC
		475	void *ptr = malloc (n);
		476	#else
		477	void *ptr = g_slice_alloc (n);
564	#endif	478	#endif
565
566	void *salloc_ (int n) throw (std::bad_alloc)
567	{
568	void *ptr = g_slice_alloc (n);
569		479
570	if (!ptr)	480	if (!ptr)
571	throw std::bad_alloc ();	481	throw std::bad_alloc ();
572		482
573	return ptr;	483	return ptr;
…		…
607	}	517	}
608	else	518	else
609	memcpy (dst, src, len + 1);	519	memcpy (dst, src, len + 1);
610	}	520	}
611		521
		522	const char *
		523	format (const char *format, ...)
		524	{
		525	static dynbuf_text buf;
		526
		527	buf.clear ();
		528
		529	va_list ap;
		530	va_start (ap, format);
		531	buf.vprintf (format, ap);
		532	va_end (ap);
		533
		534	return buf;
		535	}
		536
612	tstamp now ()	537	tstamp now ()
613	{	538	{
614	struct timeval tv;	539	struct timeval tv;
615		540
616	gettimeofday (&tv, 0);	541	gettimeofday (&tv, 0);
617	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);	542	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
618	}	543	}
619		544
		545	int
		546	similar_direction (int a, int b)
		547	{
		548	if (!a \|\| !b)
		549	return 0;
		550
		551	int diff = (b - a) & 7;
		552	return diff <= 1 \|\| diff >= 7;
		553	}
		554
		555	/* crc32 0xdebb20e3 table and supplementary functions. */
		556	extern const uint32_t crc_32_tab[256] =
		557	{
		558	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		559	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		560	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		561	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		562	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		563	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		564	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		565	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		566	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		567	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		568	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		569	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		570	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		571	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		572	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		573	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		574	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		575	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		576	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		577	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		578	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		579	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		580	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		581	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		582	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		583	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		584	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		585	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		586	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		587	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		588	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		589	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		590	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		591	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		592	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		593	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		594	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		595	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		596	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		597	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		598	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		599	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		600	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		601	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		602	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		603	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		604	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		605	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		606	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		607	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		608	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		609	0x2d02ef8dL
		610	};
		611

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.26 by root, Mon Dec 18 03:00:02 2006 UTC vs. Revision 1.66 by root, Sun Sep 9 06:56:10 2007 UTC

Diff Legend

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.26 by root, Mon Dec 18 03:00:02 2006 UTC vs.
Revision 1.66 by root, Sun Sep 9 06:56:10 2007 UTC