Courses/CS 461/Winter 2006/Justin Wu/Week 5

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Not quite done...

/**
	* Iterated Prisoner's Dilemma
	* Agent model
*/

public class Prisoner
{
	/**
		* Member variable declarations
	*/
	private int strategy = -1; // Strategies ( as listed from 0-16 in http://www.cs.nyu.edu/courses/fall01/G22.3033-002/http/hw1.html )
	private int score = 0;
	private int[] my_history = new int[16];
	private int[] opponents_history = new int[16];
	private boolean active = false;
	private int noise = 0;
	private int games_played = 0;
	private int wins = 0;
	private int total_points = 0;
	ResponseTable rt;

	/**
		* Class constructor
	*/
	public Prisoner ( int strategy, int noise )
	{
		this.strategy = strategy;
		this.noise = noise;

		rt = new ResponseTable ( strategy, noise );
	}

	/**
		* Accessors
	*/
	public int getStrategy()
	{
		return strategy;
	}

	public int getScore()
	{
		return score;
	}

	public int getMove( Prisoner opponent )
	{
		logMove( rt.getMove( my_history[ opponent.getStrategy() ] , opponents_history[ opponent.getStrategy() ] ), opponent.getStrategy() );
		return rt.getMove( my_history[ opponent.getStrategy() ] , opponents_history[ opponent.getStrategy() ] );
	}

	public int getOpponentsLastMove( Prisoner opponent )
	{
		return opponents_history[ opponent.getStrategy() ];
	}

	public boolean isActive()
	{
		return active;
	}

	public int getGamesPlayed()
	{
		return games_played;
	}

	public int getWins()
	{
		return wins;
	}

	public ResponseTable getResponseTable()
	{
		return rt;
	}

	public double getPercentage()
	{
		return ( double ) ( score / total_points );
	}

	/**
		* Manipulators
	*/
	public void setNoise ( int noise )
	{
		this.noise = noise;
	}

	public void setActive ( boolean active )
	{
		this.active = active;
	}

	public void win ()
	{
		wins++;
	}

	public void gamePlayed ()
	{
		games_played++;
	}

	public void logMove( int move, int index )
	{
		my_history[ index ] = move;
	}

	public void logOpponentsMove( int move, int index )
	{
		opponents_history[ index ] = move;
	}

	public void setTotal_Points( int total_points )
	{
		this.total_points = total_points;
	}
}

/**
	* Payoff model
*/
class Payoff
{
	private int r = 3; // both cooperate
	private int t = 5; // you defect, opponent cooperates
	private int p = 1; // both defect
	private int s = 0; // you cooperate, opponent defects

	/**
		* Class constructor
	*/
	public Payoff ( int r, int t, int p, int s )
	{
		this.r = r;
		this.t = t;
		this.p = p;
		this.s = s;
	}

	/**
		* Accessors
	*/

	public int getR()
	{
		return r;
	}

	public int getT()
	{
		return t;
	}

	public int getP()
	{
		return p;
	}

	public int getS()
	{
		return s;
	}

	/**
		* Manipulator
	*/
	public PayOff ( int r, int t, int p, int s )
	{
		this.r = r;
		this.t = t;
		this.p = p;
		this.s = s;
	}
}

/**
	* Response model
*/