//========= Copyright © 1996-2005, 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