openclonk/src/lib/C4Random.h

40 lines
960 B
C

/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 1998-2000, Matthes Bender
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
* Copyright (c) 2013-2016, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
/* Network-safe random number generator */
#ifndef INC_C4Random
#define INC_C4Random
#include <pcg/pcg_random.hpp>
extern int RandomCount;
extern pcg32 SafeRandom;
void FixedRandom(uint64_t dwSeed);
uint32_t Random(uint32_t iRange);
inline uint32_t SeededRandom(uint64_t iSeed, uint32_t iRange)
{
if (!iRange) return 0;
pcg32 rng(iSeed);
return rng(iRange);
}
#endif // INC_C4Random