rott/rott/rt_rand.c

148 lines
3.7 KiB
C
Executable File

/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "rt_def.h"
#include "_rt_rand.h"
#include "rt_rand.h"
#include "develop.h"
#include "rt_util.h"
#include <time.h>
#if (DEVELOPMENT == 1)
#include "rt_main.h"
#endif
//MED
#include "memcheck.h"
//****************************************************************************
//
// GLOBALS
//
//****************************************************************************
static int rndindex;
static int sndindex = 0;
//****************************************************************************
//
// GetRandomSeed ()
//
//****************************************************************************
int GetRandomSeed ( void )
{
return ( time (NULL) % (SIZE_OF_RANDOM_TABLE) );
}
//****************************************************************************
//
// InitializeRNG ()
//
//****************************************************************************
void InitializeRNG ( void )
{
SetRNGindex(GetRandomSeed());
sndindex=GetRandomSeed();
}
//****************************************************************************
//
// SetRNGindex ()
//
//****************************************************************************
void SetRNGindex ( int i )
{
rndindex=i;
//#if (DEVELOPMENT == 1)
SoftError("RNG index set at %d\n",i);
//#endif
}
//****************************************************************************
//
// GetRNGindex ()
//
//****************************************************************************
int GetRNGindex ( void )
{
return rndindex;
}
#if (RANDOMTEST==1)
//****************************************************************************
//
// int GameRNG ( char * string, int val )
//
//****************************************************************************
int GameRNG ( char * string, int val )
{
rndindex = (rndindex+1)&(SIZE_OF_RANDOM_TABLE-1);
SoftError("RNG - num=%3d called from=%s val=%d\n",RandomTable[rndindex],string,val);
return RandomTable[rndindex];
}
#else
//****************************************************************************
//
// int GameRNG (void)
//
//****************************************************************************
int GameRNG ( void )
{
rndindex = (rndindex+1)&(SIZE_OF_RANDOM_TABLE-1);
return RandomTable[rndindex];
}
#endif
#if (RANDOMTEST==1)
//****************************************************************************
//
// int RNG ( char * string, int val )
//
//****************************************************************************
int RNG ( char * string, int val )
{
sndindex = (sndindex+1)&(SIZE_OF_RANDOM_TABLE-1);
// SoftError("SRNG - num=%3ld called from=%s val=%ld\n",RandomTable[sndindex],string,val);
return RandomTable[sndindex];
}
#else
//****************************************************************************
//
// int RNG (void)
//
//****************************************************************************
int RNG( void )
{
sndindex = (sndindex+1)&(SIZE_OF_RANDOM_TABLE-1);
return RandomTable[sndindex];
}
#endif