Merge pull request #120 from ButterscotchV/bvh-recording

Add simple BVH recording button

src/main/java/dev/slimevr/gui/VRServerGUI.java

@@ -13,10 +13,14 @@
 import dev.slimevr.gui.swing.EJBox;
 import dev.slimevr.gui.swing.EJBoxNoStretch;
 import dev.slimevr.vr.trackers.TrackerRole;
+import dev.slimevr.posestreamer.BVHFileStream;
+import dev.slimevr.posestreamer.PoseDataStream;
+import dev.slimevr.posestreamer.ServerPoseStreamer;
 import io.eiren.util.MacOSX;
 import io.eiren.util.OperatingSystem;
 import io.eiren.util.StringUtils;
 import io.eiren.util.ann.AWTThread;
+import io.eiren.util.logging.LogManager;
 
 import java.awt.Component;
 import java.awt.Container;
@@ -29,6 +33,8 @@
 import java.awt.event.ComponentEvent;
 import java.awt.event.MouseEvent;
 import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -45,6 +51,10 @@ public class VRServerGUI extends JFrame {
 	private final SkeletonList skeletonList;
 	private JButton resetButton;
 	private EJBox pane;
+
+	private static File bvhSaveDir = new File("BVH Recordings");
+	private final ServerPoseStreamer poseStreamer;
+	private PoseDataStream poseDataStream = null;
 
 	private float zoom = 1.5f;
 	private float initZoom = zoom;
@@ -88,6 +98,8 @@ public VRServerGUI(VRServer server) {
 		this.trackersList = new TrackersList(server, this);
 		this.skeletonList = new SkeletonList(server, this);
 
+		this.poseStreamer = new ServerPoseStreamer(server);
+
 		add(new JScrollPane(pane = new EJBox(PAGE_AXIS), ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED));
 		GraphicsConfiguration gc = getGraphicsConfiguration();
 		Rectangle screenBounds = gc.getBounds();
@@ -136,6 +148,22 @@ public void run() {
 		});
 	}
 
+	private File getBvhFile() {
+		if (bvhSaveDir.isDirectory() || bvhSaveDir.mkdirs()) {
+			File saveRecording;
+			int recordingIndex = 1;
+			do {
+				saveRecording = new File(bvhSaveDir, "BVH-Recording" + recordingIndex++ + ".bvh");
+			} while(saveRecording.exists());
+
+			return saveRecording;
+		} else {
+			LogManager.log.severe("[BVH] Failed to create the recording directory \"" + bvhSaveDir.getPath() + "\".");
+		}
+
+		return null;
+	}
+
 	@AWTThread
 	private void build() {
 		pane.removeAll();
@@ -162,6 +190,37 @@ public void mouseClicked(MouseEvent e) {
 				});
 			}});
 			add(Box.createHorizontalGlue());
+			add(new JButton("Record BVH") {{
+				addMouseListener(new MouseInputAdapter() {
+					@Override
+					public void mouseClicked(MouseEvent e) {
+						if (poseDataStream == null) {
+							File bvhFile = getBvhFile();
+							if (bvhFile != null) {
+								try {
+									poseDataStream = new BVHFileStream(bvhFile);
+									setText("Stop Recording BVH...");
+									poseStreamer.setOutput(poseDataStream, 1000L / 100L);
+								} catch (IOException e1) {
+									LogManager.log.severe("[BVH] Failed to create the recording file \"" + bvhFile.getPath() + "\".");
+								}
+							} else {
+								LogManager.log.severe("[BVH] Unable to get file to save to");
+							}
+						} else {
+							try {
+								poseStreamer.closeOutput(poseDataStream);
+							} catch (Exception e1) {
+								LogManager.log.severe("[BVH] Exception while closing poseDataStream", e1);
+							} finally {
+								poseDataStream = null;
+								setText("Record BVH");
+							}
+						}
+					}
+				});
+			}});
+			add(Box.createHorizontalGlue());
 			add(new JButton("GUI Zoom (x" + StringUtils.prettyNumber(zoom, 2) + ")") {{
 				addMouseListener(new MouseInputAdapter() {
 					@Override