Toad/Tree Code

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Toad Sub-pages:
ToadVersion History - Segmentation Tree - Tree Code - Movement - RRGC

This is the code used in Toad RRGC 1.1

package florent;

import java.io.File;
import java.io.OutputStreamWriter;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Vector;

import robocode.AdvancedRobot;
import robocode.Condition;
import robocode.RobocodeFileOutputStream;



//TODO add a thread dedicated to add leaves


public class SegmentationTree implements Serializable,Runnable{
	//TODO try segmentation on distance traveled in the last 15,30 ticks
	/**
	 * 
	 */
	private static final long serialVersionUID = 2503026896538361157L;
	private static final boolean RUMBLE = Toad.RUMBLE;
	private boolean saveToFile = false, showSegementation = false;
	private int completeRebuildRound = 7;
	private int GF_ZERO;
	private int GF_ONE;	
	private double[] ALL_ACCEL = {Double.NEGATIVE_INFINITY,-1.5,-.5,0,.5,Double.POSITIVE_INFINITY};//-1.5,0,.5 vs FloodMini & PulsarMAX	
	private double[] ALL_DISTANCE = {Double.NEGATIVE_INFINITY,100,150,200,250,300,350,400,450,500,550,600,650,Double.POSITIVE_INFINITY};
	private double[] ALL_POWER = {Double.NEGATIVE_INFINITY,.5,1,1.5,2,2.5,Double.POSITIVE_INFINITY};
	private double[] ALL_TIME = {Double.NEGATIVE_INFINITY,.1,.15,.25,.3,.45,.55,.65,.7,.9,1.1,Double.POSITIVE_INFINITY};
	private double[] ALL_VEL = {Double.NEGATIVE_INFINITY,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,Double.POSITIVE_INFINITY};
	private double[] ALL_WALL = {Double.NEGATIVE_INFINITY,.15,.4,.8,.1,1.3,1.6,Double.POSITIVE_INFINITY};
	private double[] ALL_WALL_REVERSE = {Double.NEGATIVE_INFINITY,.5,.75,1,1.45,Double.POSITIVE_INFINITY};//1.45 & 0.73 vs Quest
	private double minAccel=.5,minVel=1.5,minLatvel = 1.5,minDistance=150,minPower=4,minWall=.15,minTime=.1,minWallReverse = .35;
	private int threshold;	
	private boolean verbose = false;
	private int rebuilding = 0;
	private boolean start = false;
	private boolean rebuild = true;
	private Node root;
	private int leaves = 0,weightedLeaves = 0;;
	public AdvancedRobot me;
	private boolean bufferingEntry = false;
	private Vector buffer = new Vector();
	private Thread rebuildThread,treeThread;
	private boolean rebuildingInProcess = false,addingInProcess = false;
	private WeightedVisitRecorder recorder = new WeightedVisitRecorder();
	private boolean dynamicTree = true;
	private boolean quitThread = false;
	private double round;
	
	
	private Segmentation seg;
	
	public SegmentationTree(int gf0,int gf1, int threshold){
		GF_ZERO = gf0;
		GF_ONE = gf1;
		this.threshold =threshold*5;
		root = new NonPreTerminalNode();
		root.nSeg=new NodeSegmentation();
	}
	
	public void init(){
		quitThread=false;
		round = me.getRoundNum();
		treeThread = ((Toad)me).giveThread(this);//new Thread(this);
		//System.out.println(treeThread.getThreadGroup());
		treeThread.start();
		treeThread.setPriority(Thread.MAX_PRIORITY);
	}
	
	public void setRoot(Node node){
		System.out.println("Root changed");
		root = node;
	}
	
	private int getRealThreshold(){
		return threshold;
	}
	
	public void newEntry(double d, double e, double f, double g, double h, double i, double j, double k, double wallReverse, boolean vb){

		//System.out.println("newEntry");
		//if (!vb){		
		leaves++;
		weightedLeaves += vb ? 1 : 5;
			//System.out.println("add new leaf " + leaves);
		Leaf leaf = new Leaf(d,e,f,g,h,i,j,k,wallReverse);
		leaf.weigth = vb ? 1 : 5;
		buffer.add(leaf);
		treeThread.setPriority(Thread.MAX_PRIORITY);
	/*		//root.accept(new TreeAddVisitor(leaf));
		if (!bufferingEntry){
			TreeAddVisitor v =new TreeAddVisitor(leaf);
			v.test();
		//	Thread p = new Thread(v);
		//	p.start();
		//	me.addCustomEvent(v);
		//}
		} else {
			buffer.add(leaf);
		}*/

	}

	
	public void run(){
		quitThread=false;
		if (!RUMBLE)
			System.out.println("Tree started");
		while(!quitThread){
			if(!rebuildingInProcess){				
				if (buffer.size()>0){
				//	System.out.println(buffer.size());
					Leaf leaf = (Leaf)buffer.get(0);
					buffer.remove(leaf);
					TreeAddVisitor v = new TreeAddVisitor(leaf);
					addingInProcess = true;
					v.test();
					addingInProcess = false;
				} else
					treeThread.setPriority(Thread.MIN_PRIORITY);
			}
		}
	}
	
	
	public int getPeak(double d, double e, double f, double g, double h, double i, double j, double k, double wallReverse){
		Leaf leaf = new Leaf(d,e,f,g,h,i,j,k,wallReverse);
		return getPeak(leaf);
	}
	public int getPeak(Leaf leaf){
		if (leaves == 0) return GF_ZERO;
		TreePeakVisitor peak = new TreePeakVisitor(leaf);
		root.accept(peak);
		return peak.getPeak();
	}
	
	public void clean(){
		TreeCleanerVisitor v = new TreeCleanerVisitor();
		root.accept(v);
		if (!RUMBLE) System.out.println("NPTN:"+v.nptn+"|PTN:"+v.ptn);
	}
	
	public void populate(){
		TreeVisitor v = new TreePopulatorVisitor();
		root.accept(v);	
	}
	
	public void rebuild(){

		if (!rebuild)
			return;
		//root.accept(new TreeRebuildVisitor());
		bufferingEntry = true;
		TreeRebuildVisitor visitor = new TreeRebuildVisitor();
		rebuildThread = new Thread(visitor);
		while(addingInProcess){};
		rebuildThread.start();
		rebuildThread.setPriority(Thread.MAX_PRIORITY);
		

		//me.addCustomEvent(visitor);
		//visitor.priority=50;
	}
	
	public void endRound(){
		quitThread=true;
		if (!RUMBLE)
			System.out.println(buffer.size()+":"+rebuildingInProcess+":"+addingInProcess);
	}
	
	public void setRebuild(boolean rebuild) {
		this.rebuild = rebuild;
	}

	public boolean isRebuilding(){
		return ((rebuilding != 0)||start);
	}
	
	public Node save(){
		root.accept(new TreeCleanerVisitor());		
		return root;
	}

	public SymbolicTree saveSymbolic(){
		TreeSaveSymbolicVisitor v = new TreeSaveSymbolicVisitor();
		root.accept(v);
		return v.getTheNode();
	}
	
	public void restoreFromSymbolicTree (SymbolicTree sTree){
		SymbolicTree.TreeRestoreSymbolicVisitor v  = sTree.new TreeRestoreSymbolicVisitor(sTree,root,this);
		Thread restoreThread = new Thread(v);
		restoreThread.start();
	}
	
	public void restore(Node node){
		node.accept(new TreePopulatorVisitor());
		root = node;
	}
	
	public NonPreTerminalNode getNode(int code){
		int offset = 0;
		if (code == -1)
			return new NonPreTerminalNode();
		if (code<ALL_ACCEL.length)
			return new AccelNode(ALL_ACCEL[code]);
		offset+=ALL_ACCEL.length;
		if  (code<offset+ALL_DISTANCE.length)
			return new DistanceNode(ALL_DISTANCE[code-offset]);
		offset+=ALL_DISTANCE.length;
		if (code<offset+ALL_VEL.length)
			return new LatvelNode(ALL_VEL[code-offset]);
		offset += ALL_VEL.length;
		if (code<offset+ALL_POWER.length)
			return new PowerNode(ALL_POWER[code-offset]);
		offset+=ALL_POWER.length;
		if (code<offset+ALL_TIME.length)
			return new MoveTimeNode(ALL_TIME[code-offset]);
		offset+=ALL_TIME.length;
		if (code<offset+ALL_VEL.length)
			return new VelNode(ALL_VEL[code-offset]);
		offset+=ALL_VEL.length;
		if (code<offset+ALL_WALL.length)
			return new WallNode(ALL_WALL[code-offset]);
		offset+=ALL_WALL.length;
		if (code<offset+ALL_WALL_REVERSE.length)
			return new WallReverseNode(ALL_WALL_REVERSE[code-offset]);
		return null;
	}
	
	
	
	/**
	 * @return Returns the start.
	 */
	public boolean isStart() {
		return start;
	}

	/**
	 * @param start The start to set.
	 */
	public void setStart(boolean start) {
		this.start = start;
	}

	/**
	 * @param verbose The verbose to set.
	 */
	public void setVerbose(boolean verbose) {
		this.verbose = verbose;
	}
	
	
	//tree structure
	abstract class Node implements Serializable {	
		protected int count;
		protected NodeSegmentation nSeg;
		public void accept(TreeVisitor v){
			count = 0;
		}
		/**
		 * @return Returns the count.
		 */
		public int getCount() {
			return count;
		}
		/**
		 * @param count The count to set.
		 */
		public void setCount(int count) {
			this.count = count;
		};	
	}
	
	/**
	 * we need a state pattern here
	 */
	public class NonPreTerminalNode extends Node{
		/**
		 * 
		 */
		private static final long serialVersionUID = 2511616405755008534L;
		protected Node right,left;	
		protected ArrayList[] factors;
		
		protected NonPreTerminalNode(){
			factors = new ArrayList[GF_ONE+1];
			for (int i=0;i<GF_ONE+1;i++)
				factors[i]=new ArrayList();
			if (rebuild){
				left = new DynamicNode();
				right = new DynamicNode();
				left.nSeg=new NodeSegmentation();
				right.nSeg=new NodeSegmentation();
			} else {
				left = new StaticNode();
				right = new StaticNode();
			}
		}
		
		
		public boolean goRight(Leaf leaf) {
			return false;
		}
		
		/**
		 * @return Returns the left.
		 */
		public Node getLeft() {
			return left;
		}

		/**
		 * @param left The left to set.
		 */
		public void setLeft(Node left) {
			this.left = left;
		}

		/**
		 * @return Returns the right.
		 */
		public Node getRight() {
			return right;
		}

		/**
		 * @param right The right to set.
		 */
		public void setRight(Node right) {
			this.right = right;
		}
		
		/**
		 * precond right and left are PreTerminalNode
		 * @param list
		 */
		public void fillFactors(ArrayList[] list){
			for (int k = 0; k<GF_ONE;k++){
				Iterator it = list[k].listIterator();
				while(it.hasNext()){
					count++;
					Leaf leaf = ((Leaf)it.next());
					add(leaf);
					if (goRight(leaf)){
						((PreTerminalNode)right).add(leaf);
					}
					else
						((PreTerminalNode)left).add(leaf);
				}
			}
		}
		
		public void add(Leaf leaf){
			factors[(int) FUtils.bindToRange(Math.round((1d+leaf.gf)*GF_ZERO),0,GF_ONE)].add(leaf);			
		}
		
		public ArrayList[] getLeaves(){
			return factors;
		}
		
		/* (non-Javadoc)
		 * @see florent.segmentation.DynamicSegmentation.Node#accept(florent.segmentation.DynamicSegmentation.TreeVisitor)
		 */
		public void accept(TreeVisitor v) {
			v.visitNPTN(this);
		}
		
		public int code(){
			return -1;
		}

		public String toString(){
			return "NonPreTerminal root";
		}
		
	}

	class StaticNonPreTerminalNode extends NonPreTerminalNode{
		private NonPreTerminalNode node;
		private double[] factors = new double[GF_ONE+1];
		
		public StaticNonPreTerminalNode(NonPreTerminalNode node){
			this.node = node;
		}
		
		public void addLeaf(Leaf leaf){
			recorder.setWeight(leaf.getWeigth());
			recorder.registerVisit(leaf.getGf(),factors);
		}
		
		public void accept(TreeVisitor v) {
			v.visitSNPTN(this);
			v.visitNPTN(node);
		}
		
		public int code(){
			return node.code();
		}
		
	}
	
	class DistanceNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -3017031763049964074L;
		protected double distance;
		
		public DistanceNode(double distance){
			this.distance= distance;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getDistance()>distance;
		}

		/**
		 * @return Returns the distance.
		 */
		public double getDistance() {
			return distance;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_DISTANCE,distance)+ALL_ACCEL.length;
		}
		
		public String toString(){
			return "Distance:"+distance;
		}
		
	}
	
	class AccelNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -5774124356484777243L;
		protected double accel;
		
		public AccelNode(double accel){
			this.accel=accel;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getAccel()>accel;
		}
		
		public double getAccel(){
			return accel;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_ACCEL,accel);
		}
		
		public String toString(){
			return "Acceleration:"+accel;
		}
		
	}
	
	class VelNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = 943213232679268372L;
		protected double velocity;
		
		public VelNode(double velocity){
			this.velocity=velocity;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getVelocity()>velocity;
		}
		
		public double getVelocity(){
			return velocity;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_VEL,velocity)+ALL_ACCEL.length+ALL_DISTANCE.length+ALL_VEL.length+ALL_POWER.length+ALL_TIME.length;
		}
		
		public String toString(){
			return "Velocity:"+velocity;
		}
		
	}
	
	class LatvelNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = 2699104696000932491L;
		protected double latvel;
		
		public LatvelNode(double latvel){
			this.latvel=latvel;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getLatvel()>latvel;
		}
		
		public double getLatvel(){
			return latvel;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_VEL,latvel)+ALL_ACCEL.length+ALL_DISTANCE.length;
		}
		
		public String toString(){
			return "Lateral Velocity:"+latvel;
		}
		
	}	
	
	class MoveTimeNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -403423486376627154L;
		protected double move;
		
		public MoveTimeNode(double move){
			this.move=move;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getMoveTime()>move;
		}
		
		public double getMoveTime(){
			return move;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_TIME,move)+ALL_ACCEL.length+ALL_DISTANCE.length+ALL_VEL.length+ALL_POWER.length;
		}
		
		public String toString(){
			return "Move Time:"+move;
		}
		
	}

	class PowerNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -4244374812884848001L;
		protected double power;
		
		public PowerNode(double power){
			this.power=power;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getFirePower()>power/50d;
		}
		
		public double getPower(){
			return power;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_POWER,power)+ALL_ACCEL.length+ALL_DISTANCE.length+ALL_VEL.length;
		}
		
		public String toString(){
			return "Power:"+power;
		}
	}

	class WallNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -2695158178698601457L;
		protected double wall;
		
		public WallNode(double wall){
			this.wall= wall;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getWallIndex()>wall;
		}
		
		public double getWall(){
			return wall;
		}
		
		public int code(){
			return Arrays.binarySearch(ALL_WALL,wall)+ALL_ACCEL.length+ALL_DISTANCE.length+ALL_VEL.length+ALL_POWER.length+ALL_TIME.length+ALL_VEL.length;
		}
		
		public String toString(){
			return "Wall:"+wall;
		}
		
	}
	
	class WallReverseNode extends NonPreTerminalNode {
		/**
		 * 
		 */
		private static final long serialVersionUID = -2695158178698601457L;
		protected double wall;
		
		public WallReverseNode(double wall){
			this.wall= wall;
		}
		
		public boolean goRight(Leaf leaf){
			return leaf.getWallIndex()>wall;
		}
		
		public double getWall(){
			return wall;
		}
		public int code(){
			return Arrays.binarySearch(ALL_WALL_REVERSE,wall)+ALL_ACCEL.length+ALL_DISTANCE.length+ALL_VEL.length+ALL_POWER.length+ALL_TIME.length+ALL_VEL.length+ALL_WALL.length;
		}
		
		public String toString(){
			return "Wall Reverse:"+wall;
		}
		
	}
	
	abstract class PreTerminalNode extends Node{
		/**
		 * 
		 */
		protected Leaf leaf;
		protected boolean done = false;
		

		
		public boolean isDone(){
			return done;
		}
		
		/**
		 * @param leaf The leaf to set.
		 */
		public void setLeaf(Leaf leaf) {
			this.leaf = leaf;
		}

		public abstract void add(Leaf leaf);
		
		public abstract int getPeak();
		

		public void fillFactors(ArrayList[] list){
			for (int k = 0; k<GF_ONE;k++){
				Iterator it = list[k].listIterator();
				while(it.hasNext()){
					add((Leaf)it.next());
				}
			}
		}


		/* (non-Javadoc)
		 * @see florent.segmentation.DynamicSegmentation.Node#accept(florent.segmentation.DynamicSegmentation.TreeVisitor)
		 */
		public void accept(TreeVisitor v) {
			v.visitPTN(this);
		}
		
		
	}
	class StaticNode extends PreTerminalNode{

		/**
		 * 
		 */
		private static final long serialVersionUID = -8584356499226512475L;

		private double[] factors;
		
		public StaticNode(){
			factors = new double[GF_ONE+1];
			if (verbose) System.out.println("new static node");
		}
		
		public void add(Leaf leaf) {
			recorder.setWeight(leaf.getWeigth());
			recorder.registerVisit(leaf.getGf(),factors);			
		}


		public int getPeak(){
	        int bestGF = (int)(GF_ZERO*(6d/5d));
	        double bestVal = 0;
	        int halfWidth = (int)Math.floor(Math.atan(18d/leaf.distance)*GF_ONE);
	        for (int gf = GF_ONE; gf > 0; gf--){
	            double tmp = 0;
	       //     for (int i = Math.max(1, gf-halfWidth); i <= Math.min(gf+halfWidth, GF_ONE); i++){
	                tmp += factors[gf];
	                if (tmp > bestVal){
	                    bestGF = gf;
	                    bestVal = tmp;
	                }
	        //    }
	        }
			return bestGF;
		}
	}
	
	class DynamicNode extends PreTerminalNode implements Runnable{
		/**
		 * 
		 */
		private static final long serialVersionUID = -3948835283424191222L;
		/**
		 * 
		 */

		private ArrayList[] factors;
		private Leaf leaf;
		private boolean done = false;
		private boolean accelDone=false,velDone=false,latvelDone=false,distanceDone=false,powerDone=false,wallDone=false,moveDone=false,wallReverseDone=false;
		private double minAccel1 = Double.POSITIVE_INFINITY,minVel1 = Double.POSITIVE_INFINITY, minLatvel1 = Double.POSITIVE_INFINITY, minDistance1 = Double.POSITIVE_INFINITY, minPower1 = Double.POSITIVE_INFINITY, minWall1 = Double.POSITIVE_INFINITY, minMove1 = Double.POSITIVE_INFINITY, minWallReverse1 = Double.POSITIVE_INFINITY;
		private double maxAccel1 = Double.NEGATIVE_INFINITY,maxVel1 = Double.NEGATIVE_INFINITY, maxLatvel1 = Double.NEGATIVE_INFINITY, maxDistance1 = Double.NEGATIVE_INFINITY, maxPower1 = Double.NEGATIVE_INFINITY, maxWall1 = Double.NEGATIVE_INFINITY, maxMove1 = Double.NEGATIVE_INFINITY, maxWallReverse1 = Double.NEGATIVE_INFINITY;
		
		public DynamicNode(){
			factors = new ArrayList[GF_ONE+1];
			for (int i=0;i<=GF_ONE;i++)
				factors[i]=new ArrayList();
		}

		public DynamicNode(ArrayList[] factors){
			this.factors = factors;
		}
		
		public boolean isDone(){
			return done;
		}
		
		/**
		 * @param leaf The leaf to set.
		 */
		public void setLeaf(Leaf leaf) {
			this.leaf = leaf;
		}

		/**
		 * @return Returns the factors.
		 */
		public ArrayList[] getFactors() {
			return factors;
		}


		public void add(Leaf leaf){
			//for (int i =0 ;i<leaf.weigth ;i++)
			try{
				factors[(int) FUtils.bindToRange((int)(FUtils.bindToRange(leaf.getGf(),-1,1)*GF_ZERO+GF_ZERO),0,GF_ONE)].add(leaf);
	/*			minAccel1 = Math.min(minAccel1,leaf.accel);
				minVel1 = Math.min(minVel1,leaf.velocity);
				minLatvel1 = Math.min(minLatvel1,leaf.latvel);
				minDistance1 = Math.min(minDistance1,leaf.distance);
				minWall1 = Math.min(minWall1,leaf.wallIndex);
				minWallReverse1 = Math.min(minWallReverse1,leaf.wallReverse);
				minMove1 = Math.min(minMove1,leaf.moveTime);
				minPower1 = Math.min(minPower1,leaf.firePower);
				maxAccel1 = Math.max(maxAccel1,leaf.accel);
				maxVel1 = Math.max(maxVel1,leaf.velocity);
				maxLatvel1 = Math.max(maxLatvel1,leaf.latvel);
				maxDistance1 = Math.max(maxDistance1,leaf.distance);
				maxWall1 = Math.max(maxWall1,leaf.wallIndex);
				maxWallReverse1 = Math.max(maxWallReverse1,leaf.wallReverse);
				maxMove1 = Math.max(maxMove1,leaf.moveTime);
				maxPower1 = Math.max(maxPower1,leaf.firePower);*/
			//	System.out.println(minAccel1+"/"+maxAccel1+":"+minAccel+"|"+minVel1+"/"+maxVel1);
				
			}catch(Exception e){
				System.out.println("gf"+leaf.getGf()+"\n"+e);
			}
		}
				
		
		public int getPeak(){
/*			int idx = GF_ONE;
			int val = 0;
			int best = 0;
			for (int i=GF_ONE;i>-1;i--){
				val = 0;
				if (i==GF_ONE) val = 2*factors[GF_ONE].size()+factors[GF_ONE-1].size();
				else if (i==0) val = 2*factors[0].size()+factors[1].size();
				else val=factors[i-1].size()+factors[i].size()+factors[i+1].size();
				if (val>best){
					idx = i;
					best = val;
				}
			}
			*/
	        int bestGF = (int)(GF_ZERO*(6d/5d));
	        double bestVal = 0;
	        int halfWidth = (int)Math.floor(Math.atan(18d/leaf.distance)*GF_ONE);
	        for (int gf = GF_ONE; gf > 0; gf--){
	            double tmp = 0;
	          //  for (int i = Math.max(1, gf-halfWidth); i <= Math.min(gf+halfWidth, GF_ONE); i++){
	                tmp += factors[gf].size();
	                if (tmp > bestVal){
	                    bestGF = gf;
	                    bestVal = tmp;
	                }
	           // }
	        }
			return bestGF;
		}
		
		public void run(){
			split();
		}
		
		public NonPreTerminalNode split(){
			
			rebuilding++;	
			start = false;
			accelDone=velDone=latvelDone=powerDone=wallDone=moveDone=distanceDone=wallReverseDone = false;
/*			accelDone = maxAccel1-minAccel1 < minAccel; 
			velDone = maxVel1- minVel1 > minVel;
			latvelDone = maxLatvel1- minLatvel1 < minLatvel;
			powerDone = maxPower1- minPower1 < minPower;
			wallDone = maxWall1- minWall1 < minWall;
			wallReverseDone = maxWallReverse1- minWallReverse1 < minWallReverse;
			distanceDone = maxDistance1- minDistance1 < minDistance;
			moveDone = maxMove1- minMove1 < minTime;
*/			if (accelDone&&velDone&&latvelDone&&powerDone&&wallDone&&moveDone&&distanceDone&&wallReverseDone)
				return null;
			
			ArrayList accelArray = accelDone ? null : new ArrayList() ;
			ArrayList velArray =  velDone ? null : new ArrayList();
			ArrayList latvelArray =  latvelDone ? null : new ArrayList();
			ArrayList powerArray =  powerDone ? null : new ArrayList();
			ArrayList wallArray =  wallDone ? null : new ArrayList();
			ArrayList wallReverseArray =  wallReverseDone ? null : new ArrayList();
			ArrayList moveArray =  moveDone ? null : new ArrayList();
			ArrayList distanceArray =  distanceDone ? null : new ArrayList();

//			Iterator it;			
			for (int i=0;i<=GF_ONE;i++){
				//it = factors[i].listIterator();
				//while(it.hasNext()){				
				//	Leaf leaf = (Leaf) it.next();
				for (int j=0;j<factors[i].size();j++){
					Leaf leaf = (Leaf)factors[i].get(j);
					if (!accelDone) accelArray.add(new java.lang.Double(leaf.getAccel()));
					if (!velDone) velArray.add(new java.lang.Double(leaf.getVelocity()));
					if (!latvelDone) latvelArray.add(new java.lang.Double(leaf.getLatvel()));
					if (!powerDone) powerArray.add(new java.lang.Double(leaf.getFirePower()));
					if (!wallDone) wallArray.add(new java.lang.Double(leaf.getWallIndex()));
					if (!wallReverseDone) wallReverseArray.add(new java.lang.Double(leaf.getWallReverse()));
					if (!moveDone) moveArray.add(new java.lang.Double(leaf.getMoveTime()));
					if (!distanceDone) distanceArray.add(new java.lang.Double(leaf.getDistance()));
				}
			}
			
			if (!accelDone) Collections.sort(accelArray);
			if (!velDone) Collections.sort(velArray);
			if (!latvelDone) Collections.sort(latvelArray);
			if (!powerDone) Collections.sort(powerArray);
			if (!wallDone) Collections.sort(wallArray);
			if (!wallReverseDone) Collections.sort(wallReverseArray);
			if (!moveDone) Collections.sort(moveArray);
			if (!distanceDone) Collections.sort(distanceArray);
			
			
			//TODO add checks for minimum width of segmentation and an attribute to tell if the node can be split any further
			accelDone = accelDone ? accelDone : Math.abs(((Double)accelArray.get(0)).doubleValue()-((Double)accelArray.get(accelArray.size()-1)).doubleValue())<minAccel;
			latvelDone = latvelDone ? latvelDone : Math.abs(((Double)latvelArray.get(0)).doubleValue()-((Double)latvelArray.get(latvelArray.size()-1)).doubleValue())<minLatvel;
			velDone = velDone ? velDone : Math.abs(((Double)velArray.get(0)).doubleValue()-((Double)velArray.get(velArray.size()-1)).doubleValue())<minVel;
			distanceDone = distanceDone ? distanceDone : Math.abs(((Double)distanceArray.get(0)).doubleValue()-((Double)distanceArray.get(distanceArray.size()-1)).doubleValue())<minDistance;
			powerDone = powerDone ? powerDone : Math.abs(((Double)powerArray.get(0)).doubleValue()-((Double)powerArray.get(powerArray.size()-1)).doubleValue())<minPower;
			moveDone = moveDone ? moveDone : Math.abs(((Double)moveArray.get(0)).doubleValue()-((Double)moveArray.get(moveArray.size()-1)).doubleValue())<minTime;
			wallDone = wallDone ? wallDone : Math.abs(((Double)wallArray.get(0)).doubleValue()-((Double)wallArray.get(wallArray.size()-1)).doubleValue())<minWall;
			wallReverseDone = wallReverseDone ? wallReverseDone : Math.abs(((Double)wallReverseArray.get(0)).doubleValue()-((Double)wallReverseArray.get(wallReverseArray.size()-1)).doubleValue())<minWallReverse;

			if (accelDone&&velDone&&latvelDone&&powerDone&&wallDone&&moveDone&&distanceDone&&wallReverseDone)
				return null;
			
			double accelMean =accelDone ? -1000 : FUtils.closestBorder(ALL_ACCEL,((java.lang.Double)(accelArray.get(accelArray.size()/2))).doubleValue());
			double velMean =velDone ? -1000 :FUtils.closestBorder(ALL_VEL,((java.lang.Double)(velArray.get(velArray.size()/2))).doubleValue());
			double latvelMean =latvelDone ? -1000 :FUtils.closestBorder(ALL_VEL,((java.lang.Double)(latvelArray.get(latvelArray.size()/2))).doubleValue());
			double powerMean =powerDone ? -1000 :FUtils.closestBorder(ALL_POWER,((java.lang.Double)(powerArray.get(powerArray.size()/2))).doubleValue());
			double wallMean =wallDone ? -1000 :FUtils.closestBorder(ALL_WALL,((java.lang.Double)(wallArray.get(wallArray.size()/2))).doubleValue());
			double wallReverseMean =wallReverseDone ? -1000 :FUtils.closestBorder(ALL_WALL_REVERSE,((java.lang.Double)(wallReverseArray.get(wallReverseArray.size()/2))).doubleValue());
			double moveMean =moveDone ? -1000 :FUtils.closestBorder(ALL_TIME,((java.lang.Double)(moveArray.get(moveArray.size()/2))).doubleValue());
			double distanceMean =distanceDone ? -1000 :FUtils.closestBorder(ALL_DISTANCE,((java.lang.Double)(distanceArray.get(distanceArray.size()/2))).doubleValue());
			

			


			AccelNode accelNode = accelDone ? null :new AccelNode(accelMean);
			MoveTimeNode moveNode = moveDone ? null : new MoveTimeNode(moveMean);
			VelNode velNode = velDone ? null : new VelNode(velMean);
			LatvelNode latvelNode = latvelDone ? null : new LatvelNode(latvelMean);
			PowerNode powerNode = powerDone ? null : new PowerNode(powerMean);
			WallNode wallNode = wallDone ? null : new WallNode(wallMean);
			WallReverseNode wallReverseNode = wallReverseDone ? null : new WallReverseNode(wallReverseMean);
			DistanceNode distanceNode = distanceDone ? null : new DistanceNode(distanceMean);

			if (!accelDone) accelNode.fillFactors(factors);
			if (!moveDone) moveNode.fillFactors(factors);
			if (!velDone) velNode.fillFactors(factors);
			if (!latvelDone) latvelNode.fillFactors(factors);
			if (!powerDone) powerNode.fillFactors(factors);
			if (!wallDone) wallNode.fillFactors(factors);
			if (!wallReverseDone) wallReverseNode.fillFactors(factors);
			if (!distanceDone) distanceNode.fillFactors(factors);
						
			double[] factorsCount = getFactorsCount();
			double accel =accelDone || FUtils.isConstant(accelArray)  ? 0 : getGain(accelNode,factorsCount);
			double vel =  velDone || FUtils.isConstant(velArray) ? 0 :getGain(velNode,factorsCount);
			double latvel = latvelDone || FUtils.isConstant(latvelArray)  ? 0 : getGain(latvelNode,factorsCount);
			double dist = distanceDone || FUtils.isConstant(distanceArray) ? 0 : getGain(distanceNode,factorsCount);
			double power = powerDone || FUtils.isConstant(powerArray) ? 0 : getGain(powerNode,factorsCount);
			double move = moveDone || FUtils.isConstant(moveArray) ? 0 : getGain(moveNode,factorsCount);
			double wall = wallDone || FUtils.isConstant(wallArray)  ? 0 : getGain(wallNode,factorsCount);
			double wallReverse = wallReverseDone || FUtils.isConstant(wallReverseArray)  ? 0 : getGain(wallReverseNode,factorsCount);
			
			NonPreTerminalNode best;// = new NonDynamicNode(maxAccel,maxDistance,maxFirePower,maxLatVel,maxMoveTime,maxVelocity,maxWallIndex,minAccel,minDistance,minFirePower,minLatVel,minMoveTime,minVelocity,minWallIndex);
			
			if (verbose) System.out.print("Splitting on acceleration...");
			best = accelNode;
			if (best != null){
				best.nSeg=new NodeSegmentation(nSeg);
				best.nSeg.decisionValue=accelMean;
				best.left.nSeg=new NodeSegmentation(nSeg);
				best.right.nSeg=new NodeSegmentation(nSeg);
				best.left.nSeg.highAcceleration=accelMean;
				best.right.nSeg.lowAcceleration=accelMean;
			}
			double bestGain = accel;
			if (vel>=bestGain || best == null){
				if (verbose) System.out.print("NO/velocity...");
				best=velNode;
				bestGain = vel;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=velMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highVelocity=velMean;
					best.right.nSeg.lowVelocity=velMean;
				}
			}
			if (latvel>=bestGain || best == null){
				if (verbose) System.out.print("NO/lateral velocity...");
				best=latvelNode;
				bestGain = latvel;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=latvelMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highLateralVelocity=latvelMean;
					best.right.nSeg.lowLateralVelocity=latvelMean;
				}
			}
			if (dist>=bestGain || best == null){
				if (verbose) System.out.print("NO/distance...");
				best=distanceNode;
				bestGain = dist;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=distanceMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highDistance=distanceMean;
					best.right.nSeg.lowDistance=distanceMean;
				}
			}
			if (power>=bestGain || best == null){
				if (verbose) System.out.print("NO/fire power...");
				best=powerNode;
				bestGain = power;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=powerMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highPower=powerMean;
					best.right.nSeg.lowPower=powerMean;
				}
			}
			if (move>=bestGain || best == null){
				if (verbose) System.out.print("NO/move time...");				
				best=moveNode;
				bestGain = move;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=moveMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highTime=moveMean;
					best.right.nSeg.lowTime=moveMean;
				}
			}
			if (wall>=bestGain || best == null){
				if (verbose) System.out.print("NO/wall...");
				best=wallNode;
				bestGain = wall;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=wallMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highWall=wallMean;
					best.right.nSeg.lowWall=wallMean;
				}
			}
			if (wallReverse>=bestGain || best == null){
				if (verbose) System.out.print("NO/wall reverse...");
				best=wallReverseNode;
				bestGain = wallReverse;
				if (best != null){
					best.nSeg=new NodeSegmentation(nSeg);
					best.nSeg.decisionValue=wallReverseMean;
					best.left.nSeg=new NodeSegmentation(nSeg);
					best.right.nSeg=new NodeSegmentation(nSeg);
					best.left.nSeg.highWallReverse=wallReverseMean;
					best.right.nSeg.lowWallReverse=wallReverseMean;
				}
			}
			if (verbose) System.out.println("YES");
			if (bestGain == 0)
				return null;
			Node son;
			try{
			if (best.getRight().getCount()>getRealThreshold() && (son=((DynamicNode) best.getRight()).split()) != null)
				best.setRight(son);
			if (best.getLeft().getCount()>getRealThreshold() && (son=((DynamicNode) best.getLeft()).split())!=null)
				best.setLeft(son);
			} catch (Exception e){System.out.println(e+"\n"+bestGain+best+"\n"+accel+accelDone+accelNode+"\n"+vel+velDone+velNode+"\n"+latvel+latvelDone+latvelNode+"\n"+dist+distanceDone+distanceNode+"\n"+power+powerDone+powerNode+"\n"+wall+wallDone+wallNode+"\n"+move+moveDone+moveNode);}
			rebuilding--;			
			return best;
		}
		/**
		 * precond node kids are DynamicNodes
		 * @param node
		 * @param factorsCount
		 * @return
		 */
		private double getGain(NonPreTerminalNode node,double[] factorsCount){
			DynamicNode right,left;
			right = (DynamicNode) node.getRight();
			left = (DynamicNode) node.getLeft();
			double[][] seg = new double[2][GF_ONE+1];
			seg[0] = right.getFactorsCount();
			seg[1] = left.getFactorsCount();
			return FUtils.informationGain(factorsCount,seg);
		}
		
		public int getCount(){
			double[] factorsCount = getFactorsCount();
			int val = 0;
			for (int i=0;i<GF_ONE+1;i++)
				val += factorsCount[i];
			return val;
		}
		
		public double[] getFactorsCount(){
			double[] factorsCount= new double[GF_ONE+1];
			for (int i=0;i<GF_ONE+1;i++){
				factorsCount[i] = factors[i].size();
			}
			return factorsCount;
		}
		


		/* (non-Javadoc)
		 * @see florent.segmentation.DynamicSegmentation.Node#accept(florent.segmentation.DynamicSegmentation.TreeVisitor)
		 */
		public void accept(TreeVisitor v) {
			v.visitPTN(this);
		}
		
		
	}
	
	class Leaf implements Serializable{
		/**
		 * 
		 */
		private static final long serialVersionUID = 8764985023831432109L;
		private double accel;
		private double velocity;
		private double latvel;
		private double distance;
		private double firePower;
		private double wallIndex;
		private double gf;
		private double moveTime;
		private double weigth;
		private double wallReverse;
		

		/**
		 * @param accel
		 * @param distance
		 * @param power
		 * @param gf
		 * @param latvel
		 * @param time
		 * @param velocity
		 * @param index
		 */
		public Leaf(double accel, double distance, double power, double gf, double latvel, double time, double velocity, double index, double wallReverse) {			
			this.accel =  accel;
			this.distance =  distance;
			firePower =  power;
			this.gf = gf;
			this.latvel =  Math.abs(latvel);
			moveTime = time;
			this.velocity =  Math.abs(velocity);
			wallIndex =  index;
			this.wallReverse=wallReverse;
			
		}


		/**
		 * @return Returns the accel.
		 */
		public double getAccel() {
			return accel;
		}


		/**
		 * @return Returns the distance.
		 */
		public double getDistance() {
			return distance;
		}

		/**
		 * @return Returns the firePower.
		 */
		public double getFirePower() {
			return firePower;
		}

		/**
		 * @return Returns the latvel.
		 */
		public double getLatvel() {
			return latvel;
		}



		/**
		 * @return Returns the velocity.
		 */
		public double getVelocity() {
			return velocity;
		}

		/**
		 * @return Returns the wallIndex.
		 */
		public double getWallIndex() {
			return wallIndex;
		}


		/**
		 * @return Returns the gf.
		 */
		public double getGf() {
			return gf;
		}


		/**
		 * @return Returns the moveTime.
		 */
		public double getMoveTime() {
			return moveTime;
		}


		public double getWeigth() {
			return weigth;
		}


		public void setWeigth(double weigth) {
			this.weigth = weigth;
		}


		public double getWallReverse() {
			return wallReverse;
		}


		
		
	}
	
	
	//visitor pattern for the tree
	abstract class TreeVisitor extends Condition{
		public void visitNPTN(NonPreTerminalNode node){if (verbose)System.out.println(node.left+"|"+node.right);};
		public void visitSNPTN(StaticNonPreTerminalNode node){};
		public void visitPTN(PreTerminalNode node){if (verbose)System.out.println("counts:"+node.getCount());};
		public boolean test(){
			return false;
		}
	}
	
	//implements the visit based on a leaf
	class TreeLeafVisitor extends TreeVisitor{
		protected Leaf leaf;
		protected NonPreTerminalNode father;
		protected boolean done =false;
		protected PreTerminalNode theNode;
		
		public TreeLeafVisitor(Leaf leaf){
			this.leaf=leaf;
		}
		
		public void visitNPTN(NonPreTerminalNode node){
			father = node;
			if (node.goRight(leaf)){
				node.getRight().accept(this);
			}
			else
				node.getLeft().accept(this);
		};
		public void visitPTN(PreTerminalNode node){
			theNode = node;
			node.setLeaf(leaf);
			done = true;
		};
		
		public PreTerminalNode getNode(){
			while (!done){};
			return theNode;
		}
	}
	
	class TreeAddVisitor extends TreeLeafVisitor implements Runnable{
		private boolean running = false;
		
		public TreeAddVisitor(Leaf leaf){
			super(leaf);
		}
		
		public boolean test(){
			if (!running){
				running=true;
				root.accept(this);				
				me.removeCustomEvent(this);
			}
			return false;
		}
		
		public void run(){
			running=true;
			root.accept(this);
			running=false;
		}
		
		public void visitNPTN(NonPreTerminalNode node){
			father = node;
			node.setCount((int) (node.getCount()+leaf.weigth));
			node.add(leaf);
			if (node.goRight(leaf)){
				node.getRight().accept(this);
			}
			else
				node.getLeft().accept(this);
		};
		
		public void visitSNTPN(StaticNonPreTerminalNode node){
			node.addLeaf(leaf);
		}
		
		public void visitPTN(PreTerminalNode node){
			if (dynamicTree)
				for (int i =0 ;i<leaf.weigth ;i++)
					node.add(leaf);
			else
				node.add(leaf);
			node.setCount((int) (node.getCount()+leaf.weigth));
			if (rebuild&&dynamicTree){
			//System.out.println(node.getCount());
			if (node.getCount() > getRealThreshold()){
				Node son = ((DynamicNode) node).split();
				if (node.equals(father.getRight())&& son!= null){
					father.setRight(son);
					if (verbose) {
						double[] factorsCount = ((DynamicNode) node).getFactorsCount();
						System.out.println("split"+((PreTerminalNode)((NonPreTerminalNode)(father.getRight())).getRight()).getCount()+"/"+((PreTerminalNode)((NonPreTerminalNode)(father.getRight())).getLeft()).getCount());
						double[] factorsCountRight = ((DynamicNode) ((NonPreTerminalNode)(father.getRight())).getRight()).getFactorsCount();
						double[] factorsCountLeft = ((DynamicNode)((NonPreTerminalNode)(father.getRight())).getLeft()).getFactorsCount();
						System.out.print(FUtils.doubleArrayToString(factorsCount)+"\n"+FUtils.doubleArrayToString(factorsCountLeft)+"|"+FUtils.doubleArrayToString(factorsCountRight));
					}
				}
				else if (son!=null){
					father.setLeft(son);
					if (verbose){
						double[] factorsCount = ((DynamicNode) node).getFactorsCount();
						System.out.println("split"+((PreTerminalNode)((NonPreTerminalNode)(father.getLeft())).getRight()).getCount()+"/"+((PreTerminalNode)((NonPreTerminalNode)(father.getLeft())).getLeft()).getCount());
						double[] factorsCountRight = ((DynamicNode)((NonPreTerminalNode)(father.getLeft())).getRight()).getFactorsCount();
						double[] factorsCountLeft = ((DynamicNode)((NonPreTerminalNode)(father.getLeft())).getLeft()).getFactorsCount();
						System.out.print(FUtils.doubleArrayToString(factorsCount)+"\n"+FUtils.doubleArrayToString(factorsCountLeft)+"\n"+FUtils.doubleArrayToString(factorsCountRight)+"\n");
					}
					
				}
			}
			}
				
		};
	}
	
	//TODO modify to allow static tree && use NPTN node as well as PTN node
	class TreePeakVisitor extends TreeLeafVisitor{
		private int idx;
		private ArrayList factorsList = new ArrayList(15);
		
		public TreePeakVisitor(Leaf leaf){
			super(leaf);
		}
		
		public void visitSNTPN(StaticNonPreTerminalNode node){
			factorsList.add(node.factors);
		}
		
		public void visitPTN(PreTerminalNode node){
			node.setLeaf(leaf);
			if (!dynamicTree)
				factorsList.add(((StaticNode)node).factors);
			idx = node.getPeak();			
		};
		
		public int getPeak(){
			if (!dynamicTree){
				double[][] buffers = (double[][]) factorsList.toArray();
			//	for (int i=0;i<factorsList.size();i++){
			//		buffers[i]=(double[])factorsList.get(i);
			//	}
				double bestVal=0;
				idx = (int) (GF_ZERO*(6d/5d));
				for (int gf = 0;gf<GF_ONE;gf++){
					double tmp = 0;
					for (int i=0;i<factorsList.size();i++){
						tmp += 1000*buffers[i][gf]/Math.max(1,buffers[i][0]);
					}
					if (tmp>bestVal){
						bestVal = tmp;
						idx = gf;
					}

				}
			}
			
			return idx;
		}
	}

	
	class TreeCleanerVisitor extends TreeVisitor{
		NonPreTerminalNode father;
		int nptn,ptn;
		
		public void visitNPTN(NonPreTerminalNode node){
			nptn++;
			father = node;
			if (node.getRight()!=null)
				node.getRight().accept(this);
			if (node.getLeft()!=null)
				node.getLeft().accept(this);
		};
		public void visitPTN(PreTerminalNode node){
			ptn++;
			if (node.equals(father.getRight())){
				father.setRight(null);
			} else {
				father.setLeft(null);
			}
		};
	}
	
	class TreePopulatorVisitor extends TreeVisitor{		
		public void visitNPTN(NonPreTerminalNode node){
			if (node.getRight() == null)
				node.setRight(new StaticNode());
			else 
				node.getRight().accept(this);
			if (node.getLeft() == null)
				node.setLeft(new StaticNode());
			else 
				node.getLeft().accept(this);
		};
		
	}
	/**
	 * 
	 * @author Florent Lacroute
	 * called only when reubild == true
	 */
	class TreeRebuildVisitor extends TreeVisitor implements Runnable{
		private NonPreTerminalNode father;
		private int MAX_REBUILD = weightedLeaves<10000 ? weightedLeaves+1: threshold*16;
		private int MIN_REBUILD = getRealThreshold();
		private boolean running = false;
		private double startTime;		
		private int heigth = 0;
		
		public void run(){
			startTime=me.getTime();
			running = true;
			rebuildingInProcess=true;
			root.accept(this);
			rebuildingInProcess=false;
			bufferingEntry = false;
	/*		for (int i = 0; i<buffer.size();i++){
				TreeAddVisitor v = new TreeAddVisitor((Leaf)buffer.get(i));				
				v.test();
			}
			buffer.clear();		*/	
			running = false;			
			if (!RUMBLE) 
				System.out.println("tree rebuilded:"+(me.getTime()-startTime)+"|maxRebuild"+MAX_REBUILD+"|weightedLeaves:"+weightedLeaves);

			if (saveToFile || showSegementation){
				TreeSegmentationVisitor v = new TreeSegmentationVisitor();
				v.seg = new Segmentation();
				root.accept(v);
				System.out.println(v.seg.toString());
				if (saveToFile){
					try{
						File file = me.getDataFile("seg");
						RobocodeFileOutputStream o = new RobocodeFileOutputStream(file);
						OutputStreamWriter out = new OutputStreamWriter(o);
						out.write(v.ptnSeg);	
						out.flush();
						out.close();
					} catch(Exception e){System.out.println(e);};
				}
			}
		}
		
		public boolean test(){
			if (!running){
				running=true;
				root.accept(this);
				me.removeCustomEvent(this);
			}
			return false;
		}
		
		public void visitNPTN(NonPreTerminalNode node){
			if (quitThread)
				return;
			if ((node.getCount()<MAX_REBUILD)&&(node.getCount()>MIN_REBUILD)){
				if (verbose) System.out.println("rebuild");				
			//	TreeCollectorVisitor v = new TreeCollectorVisitor(node);
			//	node.accept(v);
			//	while (!v.isDone()){}
			//	DynamicNode newNode = new DynamicNode(v.getLeaves());
				DynamicNode newNode = new DynamicNode(node.getLeaves());
				newNode.nSeg = new NodeSegmentation(node.nSeg);
				if (verbose) System.out.println(FUtils.doubleArrayToString(newNode.getFactorsCount()));
				Node theNode= newNode.split();				
				if (theNode == null)
					return;
				if (father == null){
					node.setRight(new DynamicNode());
					node.setLeft(theNode);
				}
				else if (father.getRight().equals(node)){
					father.setRight(theNode);
				//	((NonPreTerminalNode) father.getRight()).getRight().accept(this);
				//	((NonPreTerminalNode) father.getRight()).getLeft().accept(this);
				}
				else if (father.getLeft().equals(node)){
					father.setLeft(theNode);
				//	((NonPreTerminalNode) father.getLeft()).getRight().accept(this);
				//	((NonPreTerminalNode) father.getLeft()).getLeft().accept(this);
				}
				

			}
			else {
				father = node;
				if (!RUMBLE){
					String space = "";
					for (int i=0;i<heigth;i++)
						space +="  ";
					System.out.println("No more rebuild for "+space+node.toString());
				}
				heigth++;
				if (node.getRight() != null)
					node.getRight().accept(this);
				if (node.getLeft() != null)
					node.getLeft().accept(this);
				heigth--;
			}
		};
		public void visitPTN(PreTerminalNode node) {
			try {
				visitPTN((DynamicNode)node);			
			} catch (Exception e){
				System.out.println("inappropriate use of TreeRebuildVisitor"+e);
			}
		}
		public void visitPTN(DynamicNode node){
			Node son ;
			if (node.getCount() > threshold && (son=node.split()) != null){
				
				if (node.equals(father.getRight())){
					father.setRight(son);
			
				}
				else if (son!=null){
					father.setLeft(son);					
				}
			}
		};
		
	}
	/**
	 * used only on dynamic trees
	 */
	class TreeCollectorVisitor extends TreeVisitor{
		private ArrayList[] leaves;
		private boolean done = false;
		private int count;
		
		public TreeCollectorVisitor(Node node){
			leaves = new ArrayList[GF_ONE+1];
			count = node.getCount();
			for (int i=0;i<GF_ONE+1;i++){
				leaves[i] = new ArrayList();
			}
		}
		
		public boolean isDone(){
			return done;
		}
		
		/**
		 * @return Returns the leaves.
		 */
		public ArrayList[] getLeaves() {
			return leaves;
		}

		public void visitNPTN(NonPreTerminalNode node){			
			if (node.getRight() != null)
				node.getRight().accept(this);
			if (node.getLeft() != null)
				node.getLeft().accept(this);

		};
		
		public void visitPTN(PreTerminalNode node) {
			try {
				visitPTN((DynamicNode)node);			
			} catch (Exception e){
				System.out.println("inappropriate use of TreeCollectorVisitor"+e);
			}
		}

		public void visitPTN(DynamicNode node){
			ArrayList[] all = node.getFactors();
			int size = 0;
			for (int i=0;i<all.length;i++){			
				leaves[i].addAll(all[i]);
				size += leaves[i].size(); 				
			}
			if (count==size)
				done =true;
		};
	}
	
	public class TreeSegmentationVisitor extends TreeVisitor{

		Segmentation seg;
		String ptnSeg = "";
	
		public TreeSegmentationVisitor(){

		}
		
		public void visitPTN(PreTerminalNode node) {
			ptnSeg += node.nSeg.toString()+"\n";
		}

		public void visitNPTN(NonPreTerminalNode node) {
			
			if (node.getLeft() != null)
				node.getLeft().accept(this);
			
			if (node instanceof DistanceNode) {
				DistanceNode node2 = (DistanceNode) node;
				seg.addDistance(node2.getDistance());
				
			}
			if (node instanceof PowerNode) {
				PowerNode node2 = (PowerNode) node;
				seg.addPower(node2.getPower());
				
			}
			if (node instanceof WallNode) {
				WallNode node2 = (WallNode) node;
				seg.addWall(node2.getWall());
				
			}

			if (node instanceof WallReverseNode) {
				WallReverseNode node2 = (WallReverseNode) node;
				seg.addWallReverse(node2.getWall());
				
			}
			if (node instanceof VelNode) {
				VelNode node2 = (VelNode) node;
				seg.addVelocity(node2.getVelocity());
				
			}
			if (node instanceof LatvelNode) {
				LatvelNode node2 = (LatvelNode) node;
				seg.addLateralVelocity(node2.getLatvel());
				
			}
			if (node instanceof MoveTimeNode) {
				MoveTimeNode node2 = (MoveTimeNode) node;
				seg.addMove(node2.getMoveTime());
				
			}
			if (node instanceof AccelNode) {
				AccelNode node2 = (AccelNode) node;
				seg.addAcceleration(node2.getAccel());
				
			}
			
			if (node.getRight() != null)
				node.getRight().accept(this);

		}
		
	}
	
	public class TreeSaveSymbolicVisitor extends TreeVisitor{
		SymbolicTree right,left,theNode;
		
		public void visitNPTN(NonPreTerminalNode node){
			theNode = new SymbolicTree(node.code());
			if (node.left!=null){
				TreeSaveSymbolicVisitor visitorLeft = new TreeSaveSymbolicVisitor();			
				node.left.accept(visitorLeft);
				theNode.setLeft(visitorLeft.theNode);
			}
			if (node.right!=null){
				TreeSaveSymbolicVisitor visitorRight = new TreeSaveSymbolicVisitor();
				node.right.accept(visitorRight);
				theNode.setRight(visitorRight.theNode);
			}
		}

		public SymbolicTree getTheNode() {
			return theNode;
		};

	}
	
	



}

class SymbolicTree implements Serializable{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = -7361823116265138539L;
	private byte code;
	private SymbolicTree left,right;
	
	public SymbolicTree(int code){
		this.code=(byte)code;
	}

	public SymbolicTree getLeft() {
		return left;
	}

	public void setLeft(SymbolicTree left) {
		this.left = left;
	}

	public SymbolicTree getRight() {
		return right;
	}

	public void setRight(SymbolicTree right) {
		this.right = right;
	}

	public int getCode() {
		return code;
	}
	
	public void accept(TreeRestoreSymbolicVisitor v){
		v.visit(this);
	}
	
	//TODO test this
	public class TreeRestoreSymbolicVisitor implements Runnable{		
		
		private SegmentationTree.Node root;
		private SegmentationTree.NonPreTerminalNode newNode;
		private SegmentationTree fullTree;
		private SymbolicTree tree;
		
	//	public TreeRestoreSymbolicVisitor(){};
		
		public TreeRestoreSymbolicVisitor(SymbolicTree tree,SegmentationTree.Node root,SegmentationTree fullTree){
			this.tree=tree;
			this.root = root;
			this.fullTree=fullTree;
		}
		
		public void visit(SymbolicTree node){
			//TODO add a decorator pattern to Node to allow to register hits at different heights in the tree
			newNode = fullTree.getNode(node.code);//fullTree.new StaticNonPreTerminalNode(fullTree.getNode(node.code));
			System.out.println(newNode.toString()+"|symbolic code:"+node.code);
			if (node.left != null){
				TreeRestoreSymbolicVisitor v = new TreeRestoreSymbolicVisitor(null,null,fullTree);
				node.left.accept(v);
				newNode.left=v.newNode;
			} else {
				newNode.left = fullTree.new StaticNode();
			}
			if (node.right!=null){
				TreeRestoreSymbolicVisitor v = new TreeRestoreSymbolicVisitor(null,null,fullTree);
				node.right.accept(v);
				newNode.right=v.newNode;
			} else {
				newNode.right = fullTree.new StaticNode();
			}
		}

		public void run() {
			tree.accept(this);
			fullTree.setRoot(newNode);
			
		}


	}
}


class Segmentation {
	HashSet wallSlices = new HashSet(),wallReverseSlices = new HashSet(),distanceSlices = new HashSet(),velocitySlices = new HashSet(),lateralVelocitySlices = new HashSet(),accelerationSlices = new HashSet(),powerSlices = new HashSet(),moveTimeSlices = new HashSet(); 
	
	public void addDistance(double distance){
		distanceSlices.add(new Double(distance));
	}
	
	public void addWall(double wall){
		wallSlices.add(new Double(wall));
	}
	public void addWallReverse(double wall){
		wallReverseSlices.add(new Double(wall));
	}	
	public void addVelocity(double velocity){
		velocitySlices.add(new Double(velocity));
	}
	public void addLateralVelocity(double lateralVelocity){
		lateralVelocitySlices.add(new Double(lateralVelocity));
	}
	
	public void addAcceleration(double acceleration){
		accelerationSlices.add(new Double(acceleration));
	}
	
	public void addPower(double power){
		powerSlices.add(new Double(power));
	}
	
	public void addMove(double move){
		moveTimeSlices.add(new Double(move));
	}
	
	public String toString(){
		String res = "wall";
		for (Iterator it = wallSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\nwall reverse";
		for (Iterator it = wallReverseSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\ndistance";
		for (Iterator it = distanceSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\naccel";
		for (Iterator it = accelerationSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\nvel";
		for (Iterator it = velocitySlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\nlatvel";
		for (Iterator it = lateralVelocitySlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\npower";
		for (Iterator it = powerSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		res+="\nmoveTime";
		for (Iterator it = moveTimeSlices.iterator(); it.hasNext();){
			res += ":"+((Double)it.next()).toString();
		}
		return res;
	}
}

class NodeSegmentation{
	double lowDistance, highDistance;
	double lowVelocity, highVelocity;
	double lowLateralVelocity, highLateralVelocity;
	double lowAcceleration, highAcceleration;
	double lowPower,highPower;
	double lowTime,highTime;
	double lowWall,highWall;
	double lowWallReverse,highWallReverse;
	
	double decisionValue;
	
	public NodeSegmentation(){
		lowDistance=lowVelocity=lowLateralVelocity=lowAcceleration=lowPower=lowTime=lowWall=lowWallReverse=Double.NEGATIVE_INFINITY;
		highDistance=highVelocity=highLateralVelocity=highAcceleration=highPower=highTime=highWall=highWallReverse=Double.POSITIVE_INFINITY;
	};
	
	public NodeSegmentation(NodeSegmentation seg){
		lowDistance=seg.lowDistance;
		highDistance=seg.highDistance;
		lowVelocity=seg.lowVelocity;
		highVelocity=seg.highVelocity;
		lowAcceleration=seg.lowAcceleration;
		highAcceleration=seg.highAcceleration;
		lowLateralVelocity=seg.lowLateralVelocity;
		highLateralVelocity=seg.highLateralVelocity;
		lowPower=seg.lowPower;
		highPower=seg.highPower;
		lowTime=seg.lowTime;
		highTime=seg.highTime;
		lowWall=seg.lowWall;
		highWall=seg.highWall;
		lowWallReverse=seg.lowWallReverse;
		highWallReverse=seg.highWallReverse;
		
		decisionValue=seg.decisionValue;
		
	}
	
	public String toString(){
		String res = "";
		res += "["+lowDistance+":"+highDistance+"]";
		res += "["+lowVelocity+":"+highVelocity+"]";
		res += "["+lowLateralVelocity+":"+highLateralVelocity+"]";
		res += "["+lowAcceleration+":"+highAcceleration+"]";
		res += "["+lowPower+":"+highPower+"]";
		res += "["+lowTime+":"+highTime+"]";
		res += "["+lowWall+":"+highWall+"]";
		res += "["+lowWallReverse+":"+highWallReverse+"]";
		return res;
	}
	
}