import java.util.Vector;
import java.util.Iterator;
import java.util.StringTokenizer;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;

/**
 * A special type of group node, this acts as the root of a
 * subgraph that defines a mocap animation.
 * <p>
 * This class will read a mocap file and generate the hierarchy
 * for representation of the mocap data.
 *
 * @version	1.00
 * @author	Ben Carter
 */

public class jooglMocapGroup extends jooglGroup {
        /** The number of points of mocap data captured */
	final private static int NUM_POINTS = 41;
        /** The maximum number of frames of data you need to support */
	final private static int MAX_FRAMES = 5000;

        /** Milliseconds for each frame. */
	private double millisPerFrame;
        
        /** The number of frames in the animation. */
	private int numFrames;
	
	public jooglMocapGroup(String filename) {
		super();
		setFrameRate(120);
		numFrames = setMocapData(filename);
	}
	
	public jooglMocapGroup(String filename, int framesPerSecond) {
		super();
		setFrameRate(framesPerSecond);
		numFrames = setMocapData(filename);
	}
	
	public void setFrameRate(int framesPerSecond) {
		millisPerFrame = 1000.0 / framesPerSecond;
	}
	
	/** Set the current data from the provided file. */
	public int setMocapData(String filename) {
		String oneLine;
		StringTokenizer tok;
		int currPoint = 0;
		int tosses[][] = new int[3][MAX_FRAMES];
		int catches[][] = new int[3][MAX_FRAMES];
		int numTosses[] = new int[3];
		double frames[][][] = new double[NUM_POINTS][MAX_FRAMES][3];
		
		numTosses[0] = numTosses[1] = numTosses[2] = 0;

		try {
			BufferedReader in = new BufferedReader(new FileReader(filename));
	
			in.readLine();
			in.readLine();
			while((oneLine = in.readLine()) != null && numFrames < MAX_FRAMES) {
				tok = new StringTokenizer(oneLine);
	
				if(oneLine.charAt(0) == 'T') {
					int id = oneLine.charAt(1) - '0';
					tosses[id][numTosses[id]] = numFrames-1;
				} else if(oneLine.charAt(0) == 'C') {
					int id = oneLine.charAt(1) - '0';
					catches[id][numTosses[id]++] = numFrames-1;
				} else if(oneLine.charAt(0) == '*') {
					continue;
				}else {				
					currPoint = 0;
					tok.nextToken();
		
					while(tok.hasMoreTokens()) {
						frames[currPoint][numFrames][0] = Float.parseFloat(tok.nextToken());
						frames[currPoint][numFrames][1] = Float.parseFloat(tok.nextToken());
						frames[currPoint][numFrames][2] = Float.parseFloat(tok.nextToken());
						++currPoint;
					}
		
					++numFrames;
				}
			}
                        in.close();		
		} catch(IOException ioe) {
			System.out.println("IOException in setMocapData()");
		}
		
		System.out.println("Number of throws for ball 0: " + numTosses[0]);
		System.out.println("Number of throws for ball 1: " + numTosses[1]);
		System.out.println("Number of throws for ball 2: " + numTosses[2]);
        
		return numFrames;
	}
}