package net.perdue.setisim;

/**
 * 	COPYRIGHT 2002 TIM PERDUE
 * 	RELEASED UNDER GPL (GNU General Public License)
 *
 *	PLEASE CONTRIBUTE YOUR CHANGES TO tim@perdue.net
 *
 * 	Creation date: (9/13/2002 6:12:41 PM)
 * 	@author: Tim Perdue
 */
import java.util.*;

public class Civilization {
	private Galaxy galaxy;
	private double startYear;
	private int baseX;
	private int baseY;
	private double endYear = 0;
	private int radius = 0;

	private static double probability=0.0;
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:29:02 PM)
 * @param param net.perdue.setisim.Galaxy
 */
public Civilization(Galaxy galaxy) {
	setGalaxy(galaxy);
	initialCalcs();
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:30:32 PM)
 */
public void calc() {
	
	// If this civilization is already destroyed,
	// don't bother running the odds again
	if (getEndYear() > 0) {
		return;
	} else if (getGalaxy().getYear()-getStartYear() > getGalaxy().getPermanenceThreshold()) {
		//
		//	Past the destruction threshold
		//
		radius += (getGalaxy().getSpeed() * getGalaxy().getSpeedFactor());
	} else {
		//
		// How far has this civilization spread?
		//
		radius += (getGalaxy().getSpeed() * getGalaxy().getSpeedFactor());

		//1-((999/1000)^N)

		if (probability == 0.0) {
			System.out.println("Probability of survival 1 year: " + (double)(1.0-(1.0 / (double)getGalaxy().getL())));
			System.out.println("Probability of death 1 year: " + (double)(1.0 / (double)getGalaxy().getL()));
			System.out.println("L: " + getGalaxy().getL());
			System.out.println("Speed Factor: " + (double)getGalaxy().getSpeedFactor());
			//System.out.println("Probability of death: " + (( 1-(1 / getGalaxy().getL()) )^ (int)getGalaxy().getSpeedFactor()));
			
			probability = 1.0 - java.lang.Math.pow( (double)1.0-(1.0 / (double)getGalaxy().getL()) , (double)getGalaxy().getSpeedFactor());
			System.out.println("Probability of death with speedFactor: " + probability);
		}

		//
		//	choose a random number to see if it should die
		//
		if ( getGalaxy().getRandom().nextDouble() <=  probability ) {

			setEndYear(getGalaxy().getYear());
			//System.out.println("Dead: " + (long)(getEndYear() - getStartYear()) + " Distance: " + radius);
		}
	}
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:20:47 PM)
 * @return int
 */
public int getBaseX() {
	return baseX;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:21:28 PM)
 * @return int
 */
public int getBaseY() {
	return baseY;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:33:32 PM)
 * @return double
 */
public double getEndYear() {
	return endYear;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:29:32 PM)
 * @return net.perdue.setisim.Galaxy
 */
public Galaxy getGalaxy() {
	return galaxy;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:35:55 PM)
 * @return int
 */
public int getRadius() {
	return radius;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:29:54 PM)
 * @return double
 */
public double getStartYear() {
	return startYear;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:41:24 PM)
 */
private void initialCalcs() {
	setStartYear(getGalaxy().getYear());
	
	setBaseX((int) ((getGalaxy().getRandom().nextGaussian()/3)*getGalaxy().getRadius()+getGalaxy().getRadius()));
	setBaseY((int) ((getGalaxy().getRandom().nextGaussian()/3)*getGalaxy().getRadius()+getGalaxy().getRadius()));
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:20:47 PM)
 * @param newBaseX int
 */
private void setBaseX(int newBaseX) {
	baseX = newBaseX;
	//System.out.println("BaseX: " + baseX);
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:21:28 PM)
 * @param newBaseY int
 */
private void setBaseY(int newBaseY) {
	baseY = newBaseY;
	//System.out.println("BaseY: " + baseY);
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:33:32 PM)
 * @param newEndYear double
 */
private void setEndYear(double newEndYear) {
	endYear = newEndYear;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:29:32 PM)
 * @param newGalaxy net.perdue.setisim.Galaxy
 */
private void setGalaxy(Galaxy newGalaxy) {
	galaxy = newGalaxy;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 9:35:55 PM)
 * @param newRadius int
 */
private void setRadius(int newRadius) {
	radius = newRadius;
}
/**
 * Insert the method's description here.
 * Creation date: (9/13/2002 7:29:54 PM)
 * @param newStartYear double
 */
private void setStartYear(double newStartYear) {
	startYear = newStartYear;
}
}