| … | |
… | |
| 42 | rand_gen rndm; |
42 | rand_gen rndm; |
| 43 | |
43 | |
| 44 | void |
44 | void |
| 45 | tausworthe_random_generator::seed (uint32_t seed) |
45 | tausworthe_random_generator::seed (uint32_t seed) |
| 46 | { |
46 | { |
| 47 | state [0] = max ( 2U, seed * 69069U); |
47 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
| 48 | state [1] = max ( 8U, state [0] * 69069U); |
48 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
| 49 | state [2] = max ( 16U, state [1] * 69069U); |
49 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
| 50 | state [3] = max (128U, state [2] * 69069U); |
50 | state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; |
| 51 | |
51 | |
| 52 | for (int i = 11; --i; ) |
52 | for (int i = 11; --i; ) |
| 53 | operator ()(); |
53 | operator ()(); |
| 54 | } |
54 | } |
| 55 | |
55 | |
| … | |
… | |
| 63 | |
63 | |
| 64 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
64 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
| 65 | } |
65 | } |
| 66 | |
66 | |
| 67 | uint32_t |
67 | uint32_t |
| 68 | tausworthe_random_generator::get_range (uint32_t r_max) |
68 | tausworthe_random_generator::get_range (uint32_t num) |
| 69 | { |
69 | { |
| 70 | return next () % r_max; |
70 | return (next () * (uint64_t)num) >> 32U; |
| 71 | } |
71 | } |
| 72 | |
72 | |
| 73 | // return a number within (min .. max) |
73 | // return a number within (min .. max) |
| 74 | int |
74 | int |
| 75 | tausworthe_random_generator::get_range (int r_min, int r_max) |
75 | tausworthe_random_generator::get_range (int r_min, int r_max) |
| 76 | { |
76 | { |
| 77 | return r_min + (*this) (max (r_max - r_min + 1, 1)); |
77 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
| 78 | } |
78 | } |
| 79 | |
79 | |
| 80 | /* |
80 | /* |
| 81 | * The random functions here take luck into account when rolling random |
81 | * The random functions here take luck into account when rolling random |
| 82 | * dice or numbers. This function has less of an impact the larger the |
82 | * dice or numbers. This function has less of an impact the larger the |
| … | |
… | |
| 251 | if (op->stats.food < 0) |
251 | if (op->stats.food < 0) |
| 252 | destroy = 1; |
252 | destroy = 1; |
| 253 | } |
253 | } |
| 254 | else |
254 | else |
| 255 | { |
255 | { |
| 256 | int mat = op->material; |
256 | int mat = op->materials; |
| 257 | |
257 | |
| 258 | if (mat & M_PAPER |
258 | if (mat & M_PAPER |
| 259 | || mat & M_LEATHER |
259 | || mat & M_LEATHER |
| 260 | || mat & M_WOOD |
260 | || mat & M_WOOD |
| 261 | || mat & M_ORGANIC |
261 | || mat & M_ORGANIC |
| … | |
… | |
| 276 | } |
276 | } |
| 277 | |
277 | |
| 278 | /* convert materialname to materialtype_t */ |
278 | /* convert materialname to materialtype_t */ |
| 279 | |
279 | |
| 280 | materialtype_t * |
280 | materialtype_t * |
| 281 | name_to_material (const char *name) |
281 | name_to_material (const shstr &name) |
| 282 | { |
282 | { |
| 283 | materialtype_t *mt, *nmt; |
283 | for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) |
| 284 | |
284 | if (name == mt->name) |
| 285 | mt = NULL; |
|
|
| 286 | for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
|
|
| 287 | { |
|
|
| 288 | if (strcmp (name, nmt->name) == 0) |
|
|
| 289 | { |
|
|
| 290 | mt = nmt; |
|
|
| 291 | break; |
|
|
| 292 | } |
|
|
| 293 | } |
|
|
| 294 | return mt; |
285 | return mt; |
|
|
286 | |
|
|
287 | return materialt; |
| 295 | } |
288 | } |
| 296 | |
289 | |
| 297 | /* when doing transmutation of objects, we have to recheck the resistances, |
290 | /* when doing transmutation of objects, we have to recheck the resistances, |
| 298 | * as some that did not apply previously, may apply now. |
291 | * as some that did not apply previously, may apply now. |
| 299 | */ |
292 | */ |
| … | |
… | |
| 348 | |
341 | |
| 349 | if (nmt == NULL) |
342 | if (nmt == NULL) |
| 350 | { |
343 | { |
| 351 | lmt = NULL; |
344 | lmt = NULL; |
| 352 | #ifndef NEW_MATERIAL_CODE |
345 | #ifndef NEW_MATERIAL_CODE |
| 353 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
346 | for (mt = materialt; mt && mt->next; mt = mt->next) |
| 354 | { |
347 | { |
| 355 | if (op->material & mt->material) |
348 | if (op->materials & mt->material) |
| 356 | { |
349 | { |
| 357 | lmt = mt; |
350 | lmt = mt; |
| 358 | break; |
351 | break; |
| 359 | } |
352 | } |
| 360 | } |
353 | } |
| 361 | |
354 | |
| 362 | #else |
355 | #else |
| 363 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
356 | for (mt = materialt; mt && mt->next; mt = mt->next) |
| 364 | { |
357 | { |
| 365 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
358 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
| 366 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
359 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
| 367 | { |
360 | { |
| 368 | lmt = mt; |
361 | lmt = mt; |
| 369 | if (!(op->is_weapon () || op->is_armor ())) |
362 | if (!(op->is_weapon () || op->is_armor ())) |
| 370 | break; |
363 | break; |
| … | |
… | |
| 388 | { |
381 | { |
| 389 | op->stats.dam += lmt->damage; |
382 | op->stats.dam += lmt->damage; |
| 390 | if (op->stats.dam < 1) |
383 | if (op->stats.dam < 1) |
| 391 | op->stats.dam = 1; |
384 | op->stats.dam = 1; |
| 392 | } |
385 | } |
|
|
386 | |
| 393 | if (op->stats.sp && op->type == BOW) |
387 | if (op->stats.sp && op->type == BOW) |
| 394 | op->stats.sp += lmt->sp; |
388 | op->stats.sp += lmt->sp; |
| 395 | if (op->stats.wc && op->is_weapon ()) |
389 | if (op->stats.wc && op->is_weapon ()) |
| 396 | op->stats.wc += lmt->wc; |
390 | op->stats.wc += lmt->wc; |
| 397 | if (op->is_armor ()) |
391 | if (op->is_armor ()) |
| … | |
… | |
| 406 | op->resist[j] = 100; |
400 | op->resist[j] = 100; |
| 407 | if (op->resist[j] < -100) |
401 | if (op->resist[j] < -100) |
| 408 | op->resist[j] = -100; |
402 | op->resist[j] = -100; |
| 409 | } |
403 | } |
| 410 | } |
404 | } |
| 411 | op->materialname = add_string (lmt->name); |
405 | op->materialname = lmt->name; |
| 412 | /* dont make it unstackable if it doesn't need to be */ |
406 | /* dont make it unstackable if it doesn't need to be */ |
| 413 | if (op->is_weapon () || op->is_armor ()) |
407 | if (op->is_weapon () || op->is_armor ()) |
| 414 | { |
408 | { |
| 415 | op->weight = (op->weight * lmt->weight) / 100; |
409 | op->weight = (op->weight * lmt->weight) / 100; |
| 416 | op->value = (op->value * lmt->value) / 100; |
410 | op->value = (op->value * lmt->value) / 100; |
| … | |
… | |
| 615 | } |
609 | } |
| 616 | else |
610 | else |
| 617 | memcpy (dst, src, len + 1); |
611 | memcpy (dst, src, len + 1); |
| 618 | } |
612 | } |
| 619 | |
613 | |
|
|
614 | const std::string |
|
|
615 | format (const char *format, ...) |
|
|
616 | { |
|
|
617 | int len; |
|
|
618 | |
|
|
619 | { |
|
|
620 | char buf[128]; |
|
|
621 | |
|
|
622 | va_list ap; |
|
|
623 | va_start (ap, format); |
|
|
624 | len = vsnprintf (buf, sizeof (buf), format, ap); |
|
|
625 | va_end (ap); |
|
|
626 | |
|
|
627 | assert (len >= 0); // shield againstz broken vsnprintf's |
|
|
628 | |
|
|
629 | // was our static buffer short enough? |
|
|
630 | if (len < sizeof (buf)) |
|
|
631 | return std::string (buf, len); |
|
|
632 | } |
|
|
633 | |
|
|
634 | { |
|
|
635 | // longer, try harder |
|
|
636 | char *buf = salloc<char> (len + 1); |
|
|
637 | |
|
|
638 | va_list ap; |
|
|
639 | va_start (ap, format); |
|
|
640 | vsnprintf (buf, len + 1, format, ap); |
|
|
641 | va_end (ap); |
|
|
642 | |
|
|
643 | const std::string s (buf, len); |
|
|
644 | sfree<char> (buf, len + 1); |
|
|
645 | |
|
|
646 | return buf; |
|
|
647 | } |
|
|
648 | } |
|
|
649 | |
| 620 | tstamp now () |
650 | tstamp now () |
| 621 | { |
651 | { |
| 622 | struct timeval tv; |
652 | struct timeval tv; |
| 623 | |
653 | |
| 624 | gettimeofday (&tv, 0); |
654 | gettimeofday (&tv, 0); |
| … | |
… | |
| 633 | |
663 | |
| 634 | int diff = (b - a) & 7; |
664 | int diff = (b - a) & 7; |
| 635 | return diff <= 1 || diff >= 7; |
665 | return diff <= 1 || diff >= 7; |
| 636 | } |
666 | } |
| 637 | |
667 | |
|
|
668 | /* crc32 0xdebb20e3 table and supplementary functions. */ |
|
|
669 | extern const uint32_t crc_32_tab[256] = |
|
|
670 | { |
|
|
671 | 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, |
|
|
672 | 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, |
|
|
673 | 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, |
|
|
674 | 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, |
|
|
675 | 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, |
|
|
676 | 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, |
|
|
677 | 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, |
|
|
678 | 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, |
|
|
679 | 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, |
|
|
680 | 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, |
|
|
681 | 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, |
|
|
682 | 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, |
|
|
683 | 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, |
|
|
684 | 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, |
|
|
685 | 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, |
|
|
686 | 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, |
|
|
687 | 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, |
|
|
688 | 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, |
|
|
689 | 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, |
|
|
690 | 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, |
|
|
691 | 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, |
|
|
692 | 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, |
|
|
693 | 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, |
|
|
694 | 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, |
|
|
695 | 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, |
|
|
696 | 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, |
|
|
697 | 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, |
|
|
698 | 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, |
|
|
699 | 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, |
|
|
700 | 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, |
|
|
701 | 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, |
|
|
702 | 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, |
|
|
703 | 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, |
|
|
704 | 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, |
|
|
705 | 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, |
|
|
706 | 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, |
|
|
707 | 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, |
|
|
708 | 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, |
|
|
709 | 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, |
|
|
710 | 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, |
|
|
711 | 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, |
|
|
712 | 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, |
|
|
713 | 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, |
|
|
714 | 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, |
|
|
715 | 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, |
|
|
716 | 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, |
|
|
717 | 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, |
|
|
718 | 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, |
|
|
719 | 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, |
|
|
720 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
|
|
721 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
|
|
722 | 0x2d02ef8dL |
|
|
723 | }; |
|
|
724 | |
|
|
725 | |
