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//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2007 by Bradford W. Mott and the Stella team
//
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: Random.hxx,v 1.4 2007/01/01 18:04:49 stephena Exp $
//============================================================================
#ifndef RANDOM_HXX
#define RANDOM_HXX
#include "m6502/src/bspf/src/bspf.hxx"
class Serializer;
class Deserializer;
/**
This Random class uses a Mersenne Twister to provide pseudorandom numbers.
The class itself is derived from the original 'Random' class by Bradford W. Mott.
*/
class Random
{
public:
/**
Class method which allows you to set the seed that'll be used
for created new instances of this class
@param value The value to seed the random number generator with
*/
void seed(uInt32 value);
/**
Create a new random number generator
*/
Random();
~Random();
/**
Answer the next random number from the random number generator
@return A random number
*/
uInt32 next();
/**
Answer the next random number between 0 and 1 from the random number generator
@return A random number between 0 and 1
*/
double nextDouble();
/**
Serializes the RNG state.
*/
bool saveState(Serializer& out);
/**
Deserializes the RNG state.
*/
bool loadState(Deserializer& in);
private:
// Actual rng (implementation hidden away from the header to avoid depending on rng libraries).
class Impl;
Impl *m_pimpl;
};
#endif