84 lines
3.8 KiB
C++
84 lines
3.8 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/RANDOM.H 1 3/03/97 10:25a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : RANDOM.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 02/27/96 *
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* *
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* Last Update : February 27, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef RANDOM_H
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#define RANDOM_H
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/**********************************************************************
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** Enable this define to turn on the random # counters. This must not
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** be defined for the release version, or saved games won't work!
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*/
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//#define RANDOM_COUNT
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/*
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** This class functions like a 'magic' int value that returns a random number
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** every time it is read. To set the "random seed" for this, just assign a number
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** to the object (just as you would if it were a true 'int' value). Take note that although
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** this class will return an 'int', the actual significance of the random number is
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** limited to 15 bits (0..32767).
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*/
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class RandomClass {
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public:
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RandomClass(unsigned seed=0);
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operator int(void) {return(operator()());};
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int operator() (void);
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int operator() (int minval, int maxval);
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enum {
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SIGNIFICANT_BITS=15 // Random number bit significance.
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};
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unsigned long Seed;
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#ifdef RANDOM_COUNT
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unsigned long Count1;
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unsigned long Count2;
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#endif
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protected:
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/*
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** Internal working constants that are used to generate the next
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** random number.
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*/
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enum {
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MULT_CONSTANT=0x41C64E6D, // K multiplier value.
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ADD_CONSTANT=0x00003039, // K additive value.
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THROW_AWAY_BITS=10 // Low bits to throw away.
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};
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};
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#endif
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