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MLAgent.java
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MLAgent.java
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package project6867;
import java.io.FileInputStream;
import java.io.ObjectInputStream;
import java.util.BitSet;
import net.sf.javaml.classification.Classifier;
import net.sf.javaml.core.Instance;
import net.sf.javaml.core.SparseInstance;
import ch.idsia.agents.Agent;
import ch.idsia.benchmark.mario.environments.Environment;
import erekspeed.ActionWrapper;
public class MLAgent implements Agent {
Classifier clf;
String filename;
BitSet obs;
private String name;
private String maskFile;
public MLAgent(String fn, String maskFile) {
this(fn);
this.maskFile = maskFile;
}
public MLAgent(Classifier c, String maskFile) {
this(c);
this.maskFile = maskFile;
}
public MLAgent(String fn) {
try {
long start, stop, elapsed;
start = System.currentTimeMillis();
FileInputStream is = new FileInputStream(fn);
ObjectInputStream in = new ObjectInputStream(is);
Object obj = in.readObject();
if(obj instanceof Classifier)
clf = (Classifier)obj;
stop = System.currentTimeMillis();
elapsed = stop - start;
System.out.println("Time taken to load:" + elapsed);
}
catch (Exception ex) {
System.err.println(ex);
}
setName("ML Agent");
}
public MLAgent(Classifier c) {
clf = c;
setName("ML Agent");
}
@Override
public boolean[] getAction() {
String cls = clf.classify(getInstance()).toString();
//System.out.print(cls + " ");
int cl = Integer.parseInt(cls);
ActionWrapper a = ActionWrapper.parseActionWrapper(cl);
return a.acts;
}
private Instance getInstance() {
Instance ret = new SparseInstance(obs.size());
int index = 0;
while((index = obs.nextSetBit(index)) != -1) {
ret.put(index, 1.0);
index += 1;
}
if(maskFile != null )
ret = DataHandler.removeFeatures(ret, maskFile);
return ret;
}
@Override
public void integrateObservation(Environment environment) {
obs = environment.getMergedObservationZZBit(3, 3);
if(environment.getMarioMode() != 0)
obs.set(environment.getReceptiveFieldHeight()*environment.getReceptiveFieldWidth()*13 + environment.getMarioMode()-1);
if(environment.isMarioAbleToJump())
obs.set(environment.getReceptiveFieldHeight()*environment.getReceptiveFieldWidth()*13 + 2);
if(!environment.isMarioOnGround())
obs.set(environment.getReceptiveFieldHeight()*environment.getReceptiveFieldWidth()*13 + 3);
// obs = new BitSet();
// if(environment.isMarioAbleToJump())
// obs.set(0);
//
// if(!environment.isMarioOnGround())
// obs.set(1);
// System.out.println(obs.toString());
}
@Override
public void giveIntermediateReward(float intermediateReward) {
// TODO Auto-generated method stub
}
@Override
public void reset() {
// TODO Auto-generated method stub
}
@Override
public void setObservationDetails(int rfWidth, int rfHeight, int egoRow,
int egoCol) {
// TODO Auto-generated method stub
}
@Override
public String getName() {
// TODO Auto-generated method stub
return name;
}
@Override
public void setName(String name) {
this.name = name;
}
}