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31 lines
915 B
31 lines
915 B
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Generalized 32-bit random number generator
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// Range is 0x00000000 - 0x7FFFFFFF
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef RANDOM_H
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#define RANDOM_H
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#ifdef _WIN32
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#pragma once
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#endif
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// the random number seeding is automatic
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#define MAX_RANDOM_RANGE 0x7FFFFFFFUL
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// restarts random generator
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// setting lSeed to 0 causes the current time to be used as the seed
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// random number generator will automatically seed itself on first use with current time if this is not called
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extern void SeedRandomNumberGenerator(long lSeed = 0);
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// returns a random integer of range [low, high]
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extern long RandomLong( long lLow, long lHigh );
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// returns a random float of range [low, high)
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extern float RandomFloat( float flLow, float flHigh );
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#endif // RANDOM_H
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