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CnC_Renegade/Code/Combat/crandom.h

123 lines
4.2 KiB
C++

/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** Confidential - Westwood Studios ***
***********************************************************************************************
* *
* Project Name : Commando *
* *
* $Archive:: /Commando/Code/Combat/crandom.h $*
* *
* $Author:: Byon_g $*
* *
* $Modtime:: 5/09/01 3:48p $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef CRANDOM_H
#define CRANDOM_H
#ifndef ALWAYS_H
#include "always.h"
#endif
#ifndef RANDOM_H
#include "random.h"
#endif
#ifndef WWDEBUG_H
#include "wwdebug.h"
#endif
#define CRANDOM_FLOAT_RANGE 0x1000
/*
** Commando Random Numbers Manager
*/
class CRandom {
public:
CRandom( void ) {}
~CRandom( void ) {}
// Get a random 32 bit long integer
inline int Get_Int( void ) { return Generator(); }
// Get a random 32 bit long integer less than max
inline int Get_Int( int max ) { WWASSERT( max > 0 ); return (Generator() & 0x7FFFFFFF) % max; }
// Get a random 32 bit long between min and max (both inclusive)
inline int Get_Int( int min, int max );
// Get a random float between 0 and 1 (both inclusive)
inline float Get_Float( void ) { return (float)(Get_Int( CRANDOM_FLOAT_RANGE+1 )) / (float)CRANDOM_FLOAT_RANGE; }
// Get a random float between 0 and max (both inclusive)
inline float Get_Float( float max ) { return Get_Float() * max; }
// Get a random float between min and max (both inclusive)
inline float Get_Float( float min, float max );
private:
Random2Class Generator;
};
// Get a random 32 bit long between min and max (both inclusive)
inline int CRandom::Get_Int( int min, int max )
{
// make sure we have a valid range
if ( min > max ) {
int temp = min;
min = max;
max = temp;
}
// Get one
return Get_Int( max - min ) + min;
}
// Get a random float between min and max (both inclusive)
inline float CRandom::Get_Float( float min, float max )
{
// make sure we have a valid range
if ( min > max ) {
float temp = min;
min = max;
max = temp;
}
// Get one
return Get_Float() * ( max - min ) + min;
}
/*
** A free random number generator. This can be used for any numbers not required to
** be synced between other computers. Good for simple visual and sound effects.
*/
extern CRandom FreeRandom;
#endif