src/tools/tRandom.h

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/*

*************************************************************************

ArmageTron -- Just another Tron Lightcycle Game in 3D.
Copyright (C) 2000  Manuel Moos (manuel@moosnet.de)

**************************************************************************

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  
***************************************************************************

*/

#ifndef         TRANDOM_H_INCLUDED
#define         TRANDOM_H_INCLUDED

// self include
#ifndef         TRANDOM_H_INCLUDED
#include        "tRandom.h"
#endif

#include    "defs.h"

class tRandomizer
{
public:
    tRandomizer  ()                                 ;   
    virtual ~tRandomizer ()                         ;   

    REAL    Get()                                   ;   
    int     Get( int max )                          ;   

    static tRandomizer & GetInstance()              ;   
protected:

    unsigned int randMax_;
private:
    tRandomizer  ( tRandomizer const & other )              ;   
    tRandomizer & operator =  ( tRandomizer const & other ) ;   

    virtual unsigned int GetRawRand()                ;   
};

class tReproducibleRandomizer: public tRandomizer
{
public:
    tReproducibleRandomizer  ()                      ;   
    ~tReproducibleRandomizer ()                      ;   

    static tReproducibleRandomizer & GetInstance()   ;   
private:
    virtual unsigned int GetRawRand()                ;   

    int z_, w_;
};

#endif // TRANDOM_H_INCLUDED

---