| 1 | /* |
1 | /* |
| 2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 | * |
3 | * |
| 4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * |
5 | * |
| 6 | * Deliantra is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 3 of the License, or |
8 | * the Free Software Foundation, either version 3 of the License, or |
| 9 | * (at your option) any later version. |
9 | * (at your option) any later version. |
| … | |
… | |
| 365 | } |
365 | } |
| 366 | |
366 | |
| 367 | void seed (uint32_t seed); |
367 | void seed (uint32_t seed); |
| 368 | uint32_t next (); |
368 | uint32_t next (); |
| 369 | |
369 | |
| 370 | // uniform distribution |
370 | // uniform distribution, 0 .. num - 1 |
| 371 | uint32_t operator ()(uint32_t num) |
371 | uint32_t operator ()(uint32_t num) |
| 372 | { |
372 | { |
| 373 | return is_constant (num) |
373 | return is_constant (num) |
| 374 | ? (next () * (uint64_t)num) >> 32U |
374 | ? (next () * (uint64_t)num) >> 32U |
| 375 | : get_range (num); |
375 | : get_range (num); |
| … | |
… | |
| 393 | int get_range (int r_min, int r_max); |
393 | int get_range (int r_min, int r_max); |
| 394 | }; |
394 | }; |
| 395 | |
395 | |
| 396 | typedef tausworthe_random_generator rand_gen; |
396 | typedef tausworthe_random_generator rand_gen; |
| 397 | |
397 | |
| 398 | extern rand_gen rndm; |
398 | extern rand_gen rndm, rmg_rndm; |
| 399 | |
399 | |
| 400 | INTERFACE_CLASS (attachable) |
400 | INTERFACE_CLASS (attachable) |
| 401 | struct refcnt_base |
401 | struct refcnt_base |
| 402 | { |
402 | { |
| 403 | typedef int refcnt_t; |
403 | typedef int refcnt_t; |
