package mocap.reader;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.regex.Pattern;
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import mocap.figure.AnimData;
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import mocap.figure.Bone;
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/**
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* Reads AMC motion files.
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*
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* @author Michael Kipp
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*/
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public class AMCReader {
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public AMCReader() {
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}
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// public AnimData readAMC(File file, Bone skeletonRoot, int layer) {
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public AnimData readAMC(File file, Bone skeletonRoot) {
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System.out.println("Read AMC: " + file);
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Pattern num = Pattern.compile("[0-9]+");
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BufferedReader in = null;
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int keyframe = -1;
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try {
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HashMap<String, Bone> name2bone = new HashMap<String, Bone>();
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HashMap<String, List<Float>> name2data = new HashMap<String, List<Float>>();
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skeletonRoot.collectBones(name2bone);
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AnimData dat = new AnimData(name2bone.size());
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in = new BufferedReader(new FileReader(file));
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String line;
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// read data
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while ((line = in.readLine()) != null) {
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// ignore comments + acclaim info
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if (!(line.startsWith("#") || line.startsWith(":"))) {
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if (num.matcher(line).matches()) {
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keyframe++;
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} else {
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parseBoneKeyframe(line, name2data, name2bone);
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}
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}
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}
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// put data in skeleton
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for (String key : name2bone.keySet()) {
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List<Float> ls = name2data.get(key);
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if (ls != null) {
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// name2bone.get(key).loadAnimData(layer, ls);
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dat.putBoneData(name2bone.get(key).getIndex(), ls);
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}
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}
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dat.setNumFrames(keyframe + 1);
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return dat;
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} catch (IOException ex) {
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Logger.getLogger(ASFReader.class.getName()).log(Level.SEVERE, null, ex);
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} finally {
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try {
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in.close();
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} catch (IOException ex) {
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Logger.getLogger(ASFReader.class.getName()).log(Level.SEVERE, null, ex);
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}
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}
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// return keyframe + 1;
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return null;
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}
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private void parseBoneKeyframe(String line, HashMap<String, List<Float>> data,
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HashMap<String, Bone> name2bone) {
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String[] tok = line.split(" ");
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Bone b = name2bone.get(tok[0]);
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if (b == null) {
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System.out.println("WARNING: Bone " + tok[0] + " does not exist.");
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return;
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}
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List<Float> list = data.get(tok[0]);
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if (list == null) {
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list = new ArrayList<Float>();
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data.put(tok[0], list);
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}
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for (int i = 1; i < tok.length; i++) {
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try {
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Float fl = Float.parseFloat(tok[i]);
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if (b.getDOF()[i - 1] == Bone.TX || b.getDOF()[i - 1] == Bone.TY || b.getDOF()[i - 1] == Bone.TZ) {
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list.add(fl);
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} else {
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list.add((float) Math.toRadians(fl));
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}
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} catch (NumberFormatException e) {
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System.out.println("WARNING: Couldn't parse: " + tok[i]);
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}
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}
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}
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}
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