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Diffstat (limited to 'common/GameUI/Random.h')
| -rw-r--r-- | common/GameUI/Random.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/GameUI/Random.h b/common/GameUI/Random.h new file mode 100644 index 0000000..90beb78 --- /dev/null +++ b/common/GameUI/Random.h @@ -0,0 +1,30 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: Generalized 32-bit random number generator +// Range is 0x00000000 - 0x7FFFFFFF +// +// $NoKeywords: $ +//=============================================================================// + +#ifndef RANDOM_H +#define RANDOM_H +#ifdef _WIN32 +#pragma once +#endif + +// the random number seeding is automatic + +#define MAX_RANDOM_RANGE 0x7FFFFFFFUL + +// restarts random generator +// setting lSeed to 0 causes the current time to be used as the seed +// random number generator will automatically seed itself on first use with current time if this is not called +extern void SeedRandomNumberGenerator(long lSeed = 0); + +// returns a random integer of range [low, high] +extern long RandomLong( long lLow, long lHigh ); + +// returns a random float of range [low, high) +extern float RandomFloat( float flLow, float flHigh ); + +#endif // RANDOM_H |