forked from Mirrors/openclonk
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000, Matthes Bender
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2009-2013, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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/* Network-safe random number generator */
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#include "C4Include.h"
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#include <C4Random.h>
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#include <C4Record.h>
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int RandomCount = 0;
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static unsigned int RandomHold = 0;
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void FixedRandom(DWORD dwSeed)
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{
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// for SafeRandom
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srand((unsigned)time(NULL));
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RandomHold = dwSeed;
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RandomCount = 0;
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}
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int Random(int iRange)
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{
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if (Config.General.DebugRec)
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{
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// next pseudorandom value
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RandomCount++;
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C4RCRandom rc;
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rc.Cnt=RandomCount;
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rc.Range=iRange;
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if (iRange<=0)
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rc.Val=0;
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else
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{
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RandomHold = ((uint64_t)RandomHold * 16807) % 2147483647;
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rc.Val = RandomHold % iRange;
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}
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AddDbgRec(RCT_Random, &rc, sizeof(rc));
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return rc.Val;
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}
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else
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{
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RandomCount++;
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if (iRange<=0) return 0;
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RandomHold = ((uint64_t)RandomHold * 16807) % 2147483647;
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return RandomHold % iRange;
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}
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}
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