Implement tracker designation selection

src/main/java/io/eiren/gui/TrackersList.java

@@ -1,8 +1,11 @@
 package io.eiren.gui;
 
 import java.awt.GridBagConstraints;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 import java.util.List;
 
+import javax.swing.JComboBox;
 import javax.swing.JLabel;
 
 import com.jme3.math.FastMath;
@@ -15,6 +18,7 @@ import io.eiren.util.ann.ThreadSafe;
 import io.eiren.util.ann.VRServerThread;
 import io.eiren.util.collections.FastList;
 import io.eiren.vr.VRServer;
+import io.eiren.vr.processor.TrackerBodyPosition;
 import io.eiren.vr.trackers.ReferenceAdjustedTracker;
 import io.eiren.vr.trackers.ComputedTracker;
 import io.eiren.vr.trackers.HMDTracker;
@@ -80,20 +84,27 @@ public class TrackersList extends EJBag {
 			}
 
 			tr.build(n);
-			TrackerConfig cfg = server.getTrackerConfig(t);
-			
-			if(cfg.designation != null)
-				add(new JLabel(cfg.designation), c(1, n, 2));
-			/*if(t instanceof CalibratingTracker) {
-				add(new JButton("Calibrate") {{
-					addMouseListener(new MouseInputAdapter() {
-						@Override
-						public void mouseClicked(MouseEvent e) {
-							new CalibrationWindow(t);
-						}
-					});
-				}}, c(12, n, 2));
-			}*/
+			if(t.userEditable()) {
+				TrackerConfig cfg = server.getTrackerConfig(t);
+				JComboBox<String> desSelect;
+				add(desSelect = new JComboBox<>(), c(1, n, 2));
+				for(TrackerBodyPosition p : TrackerBodyPosition.values) {
+					desSelect.addItem(p.name());
+				}
+				if(cfg.designation != null) {
+					TrackerBodyPosition p = TrackerBodyPosition.getByDesignation(cfg.designation);
+					if(p != null)
+						desSelect.setSelectedItem(p.name());
+				}
+				desSelect.addActionListener(new ActionListener() {
+					@Override
+					public void actionPerformed(ActionEvent e) {
+						TrackerBodyPosition p = TrackerBodyPosition.valueOf(String.valueOf(desSelect.getSelectedItem()));
+						t.setBodyPosition(p);
+						server.trackerUpdated(t);
+					}
+				});
+			}
 			n += tr.getSize();
 		}
 		gui.refresh();

src/main/java/io/eiren/gui/VRServerGUI.java

@@ -75,6 +75,7 @@ public class VRServerGUI extends JFrame {
 				
 				add(new JLabel("Trackers"));
 				add(trackersList);
+				add(Box.createVerticalGlue());
 			}});
 
 			add(new EJBox(PAGE_AXIS) {{

src/main/java/io/eiren/vr/VRServer.java

@@ -113,6 +113,14 @@ public class VRServer extends Thread {
 				consumer.accept(trackers.get(i));
 		});
 	}
+	
+	@ThreadSafe
+	public void trackerUpdated(Tracker tracker) {
+		queueTask(() -> {
+			humanPoseProcessor.trackerUpdated(tracker);
+			saveConfig();
+		});
+	}
 
 	@ThreadSafe
 	public void addSkeletonUpdatedCallback(Consumer<HumanSkeleton> consumer) {

src/main/java/io/eiren/vr/processor/HumanPoseProcessor.java

@@ -41,8 +41,11 @@ public class HumanPoseProcessor {
 	
 	@ThreadSafe
 	public float getSkeletonConfig(String key) {
-		if(skeleton != null)
-			return skeleton.getSkeletonConfig().get(key);
+		if(skeleton != null) {
+			Number f = skeleton.getSkeletonConfig().get(key);
+			if(f != null)
+				return f.floatValue();
+		}
 		return 0.0f;
 	}
 	

src/main/java/io/eiren/vr/processor/TrackerBodyPosition.java

@@ -19,6 +19,7 @@ public enum TrackerBodyPosition {
 	
 	public final String designation;
 	
+	public static final TrackerBodyPosition[] values = values();
 	private static final Map<String, TrackerBodyPosition> byDesignation = new HashMap<>();
 	
 	private TrackerBodyPosition(String designation) {

src/main/java/io/eiren/vr/trackers/ComputedTracker.java

@@ -75,4 +75,9 @@ public class ComputedTracker implements Tracker {
 	public void setBodyPosition(TrackerBodyPosition position) {
 		this.bodyPosition = position;
 	}
+
+	@Override
+	public boolean userEditable() {
+		return false;
+	}
 }

src/main/java/io/eiren/vr/trackers/IMUTracker.java

@@ -126,4 +126,9 @@ public class IMUTracker implements Tracker, TrackerWithTPS, TrackerWithBattery {
 	public void setBodyPosition(TrackerBodyPosition position) {
 		this.bodyPosition = position;
 	}
+
+	@Override
+	public boolean userEditable() {
+		return true;
+	}
 }

src/main/java/io/eiren/vr/trackers/ReferenceAdjustedTracker.java

@@ -20,13 +20,20 @@ public class ReferenceAdjustedTracker implements Tracker {
 	public ReferenceAdjustedTracker(Tracker tracker) {
 		this.tracker = tracker;
 	}
+	
+	@Override
+	public boolean userEditable() {
+		return this.tracker.userEditable();
+	}
 
 	@Override
 	public void loadConfig(TrackerConfig config) {
+		this.tracker.loadConfig(config);
 	}
 
 	@Override
 	public void saveConfig(TrackerConfig config) {
+		this.tracker.saveConfig(config);
 	}
 
 	/**

src/main/java/io/eiren/vr/trackers/Tracker.java

@@ -28,4 +28,6 @@ public interface Tracker {
 	public TrackerBodyPosition getBodyPosition();
 	
 	public void setBodyPosition(TrackerBodyPosition position);
+	
+	public boolean userEditable();
 }