org.zmpp.vmutil
Class PredictableRandomGenerator

java.lang.Object
  org.zmpp.vmutil.PredictableRandomGenerator

All Implemented Interfaces:

RandomGenerator

public class PredictableRandomGenerator
extends Object
implements RandomGenerator

This class implements the predictable random number generator mentioned in the Z machine standards document. It takes a seed and generates the same sequence of numbers for equal seeds.

Version:

1.0

Author:

Wei-ju Wu

Field Summary

Fields inherited from interface org.zmpp.vmutil.RandomGenerator

MAX_VALUE

Constructor Summary

PredictableRandomGenerator(long seed)
Constructor.

Method Summary

int	next() Returns the next random value between 1 and MAX_VALUE.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PredictableRandomGenerator

public PredictableRandomGenerator(long seed)

Constructor.

Parameters:

seed - the start seed.

Method Detail

next

public int next()

Returns the next random value between 1 and MAX_VALUE.

Specified by:

next in interface RandomGenerator

Returns:

a random int value