Game string parser and maker

StringParser.java

final String charTable = "0123456789:;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
public String getCaryString(){
    int humanNum = 0;
    int timeLimitNum=99999;
    int timeBonusNum=99999;
    if(redBot){
        humanNum+=(2*redDepth+4);//(redDepth/2+1)*4
    }
    if(blueBot){
        humanNum+=(blueDepth/2+1);
    }
    if(timeLimit[1]!=Integer.MAX_VALUE){
        timeLimitNum = timeLimit[1];
        timeBonusNum = timeBonus;
    }
    if(screen==2){
        boardStart = getBoard();
        moveSequence = "";
    }
    String result = rules+","+Math.max(WIDTH,HEIGHT)+","+timeLimitNum+","+timeBonusNum+","+humanNum+","+boardStart+moveSequence;
    return result;
}
public String getBoard(){
    String result="";
    int counter=2;
    int sum=0;
    ArrayList<Integer> triplets = new ArrayList<Integer>();
    for(int x=0; x<WIDTH; x++){
        for(int y=HEIGHT-1;y>=0;y--){
            Tile t=allTiles[x][y];
            sum+=(Math.pow(4,counter)*t.getState());
            if(counter==0){
                triplets.add(sum);
                sum=0;
                counter=3;
            }
            counter--;
        }
    }
    if(counter!=2){
        triplets.add(sum);
    }
    for(int i:triplets){
        result+=charTable.toCharArray()[i];
    }
    return result
}
public void stringToBoard(String in,boolean update){
    int position = 0;
    int sum = 0;
    int positionInString = 0;
    char[] s = in.toCharArray();
    reds.clear();
    blues.clear();
    int exp = 3;
    int bas = 4;
    removeObjects(getObjects(Tile.class));
    allTiles = new Tile[WIDTH][HEIGHT];
    createGrid();
    try{
        for (int x = 0; x < WIDTH; x++) {
            for (int y = HEIGHT-1; y >=0 ; y--) {
                if (position == 0) {
                    sum = charTable.indexOf(s[positionInString]);                       
                    positionInString++;
                }
                int value = (int)(sum / Math.pow(bas,(exp-1)-position));
                sum -= value * (int)Math.pow(bas,(exp-1)-position);
                allTiles[x][y].setState(value);
                position++;
                if (position >= exp) {
                    position = 0;
                }
            }
        }
    }catch(Exception e){
        for (Tile[] ts:allTiles) {
            for (Tile t:ts) {
                t.setState(0);
            }
        }
    }
    for (Tile[] ts:allTiles) {
        for (Tile t:ts) {
            if(update){
                t.preupdate(allTiles);
            }else{
                t.willDie = t.isDead;
                t.updateImg();
            }
        }   
    }
    moveNumber = 0;
    totalMoves = 0;
    updateLists();
}
public void readBoard(String in,boolean update){   
    moveSequence = "";
    redTurn = true;
    blueTurn = false;
    try{
        String[] parts;
        boolean newMode = false;
        char[] id = in.toCharArray();
        if(id[0]=='B'){
            int indexOfFirstComma = in.indexOf(",");
            int indexOfFirstSlash = in.indexOf("/");
            birth.clear();
            survive.clear();
            for(int i=1;i<indexOfFirstSlash;i++){
                birth.add(Character.getNumericValue(id[i]));
            }
            for(int i=indexOfFirstSlash+2;i<indexOfFirstComma;i++){
                survive.add(Character.getNumericValue(id[i]));
            }
            parts = in.substring(indexOfFirstComma+1).split(",");
        }else{
            parts = in.split(",");
        }
        if (parts.length < 5) {
            throw new IOException();
        }

        WIDTH = HEIGHT = Math.min(Math.max(Integer.parseInt(parts[0]),3),20);
        timeLimit[0]=0;
        timeLimit[1] = Integer.parseInt(parts[1]);
        timeLimit[2]=0;
        timeLimit[3]=0;
        timeBonus = Integer.parseInt(parts[2]);
        int humanNum = Integer.parseInt(parts[3]);
        stringToBoard(parts[4],update);
        /*redDepth = (int)(((humanNum/4)-1)*2);
        blueDepth = (((humanNum%4)-1)*2);
        if(redDepth<0){
            redBot = false;
        }else{
            redBot = true;
        }
        if(blueDepth<0){
            blueBot = false;
        }else{
            redBot = true;
        }*/
        int noSwapsUntil = -1;
        String[] moves = new String[parts.length-5];
        for(int i = 0; i<moves.length; i++){
            moves[i]=parts[i+5];
        } 
        int moveLimit = Integer.MAX_VALUE;
        if(screen==4){
            moveArray = moves;        
            totalMoves = moveArray.length;
            moveNumber = 0;
            saveTiles();
        }else{
            saveTiles();
            for (int t = 0; t < moves.length; t++) { // Go through all the moves.
                makeMove(moves[t]);
            } 
        }
        updateNumbers();
        updateLists();            
        boardStart = getBoard();
    }catch (Exception e) {
        JFrame frame = new JFrame("Error");
        JOptionPane.showMessageDialog(frame, "Illegal game string", "Error", 0);
    }       
}
public void makeMove(String s){
    String[] moveParts = s.split("\\+");
    if (moveParts.length == 3) {
        redTimer.set(Integer.parseInt(moveParts[1])*(long)(0.01f));
        blueTimer.set(Integer.parseInt(moveParts[2])*(long)(0.01f));
    }else{
        redTimer.set(0);
        blueTimer.set(0);
    }
    int moveType = charTable.indexOf(moveParts[0].charAt(moveParts[0].length()-1))-12;
    if (moveType <= 3) {

        int x = charTable.indexOf(moveParts[0].charAt(0))-12;
        int y = charTable.indexOf(moveParts[0].charAt(1))-12;
        if(moveType==1){
            if(redTurn){
                allTiles[x][HEIGHT-y-1].setState(1);
            }else if(blueTurn){
                allTiles[x][HEIGHT-y-1].setState(2);
            }
        }else{
            int swapWith = 0;
            allTiles[x][HEIGHT-y-1].setState(0);
        }
        allTiles[x][HEIGHT-y-1].preupdate(allTiles);
        allTiles[x][HEIGHT-y-1].updateNeighbours(allTiles);
    }else if (moveType == 4){
        //moveNumber = 0;
        //totalMoves = 0;
        doTurn();
    }else{
        int endGameCause = moveType-5;
        endGameCause = 2+3*(moveType-5);
        return;
    }
}