refactor; visualizer tuning; main menu updates to use metadata once

loaded;

core/src/zero1hd/rhythmbullet/audio/AudioMetadataController.java

@@ -1,5 +1,6 @@
 package zero1hd.rhythmbullet.audio;
 
+import java.util.Comparator;
 import java.util.Observable;
 import java.util.Observer;
 
@@ -7,22 +8,30 @@ import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.files.FileHandle;
 import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.Disposable;
+import com.badlogic.gdx.utils.Sort;
 
 import zero1hd.rhythmbullet.audio.metadata.AudioMetadata;
 import zero1hd.rhythmbullet.audio.metadata.MP3Metadata;
 import zero1hd.rhythmbullet.audio.metadata.WAVMetadata;
 
-public class MusicMetadataController extends Observable implements Disposable, Observer {
+public class AudioMetadataController extends Observable implements Disposable, Observer {
 	private MusicList musicList;
 	private Array<AudioMetadata> metadataArray;
 	private MetadataLoadingThread loadingThread;
 	private volatile boolean searching;
+	private Comparator<AudioMetadata> metadataComparer;
 	
-	public MusicMetadataController(MusicList musicList) {
+	public AudioMetadataController(MusicList musicList) {
 		this.musicList = musicList;
 		metadataArray = new Array<>();
 		loadingThread = new MetadataLoadingThread();
 		musicList.addObserver(this);
+		metadataComparer = new Comparator<AudioMetadata>() {
+			@Override
+			public int compare(AudioMetadata o1, AudioMetadata o2) {
+				return o1.getTitle().compareToIgnoreCase(o2.getTitle());
+			}
+		};
 	}
 	
 	public MusicList getMusicList() {
@@ -44,7 +53,7 @@ public class MusicMetadataController extends Observable implements Disposable, O
 	 * if there is the same amount of metadata as there is music in the music list.
 	 * @return whether or not both sizes are equal.
 	 */
-	public boolean isDone() {
+	public boolean isSameSizeMusicList() {
 		return (metadataArray.size == musicList.getMusicArray().size);
 	}
 	
@@ -59,13 +68,18 @@ public class MusicMetadataController extends Observable implements Disposable, O
 		return metadataArray.size;
 	}
 	
-	public AudioMetadata getMetadata(int index) {
+	public AudioMetadata getAudioMetadata(int index) {
 		return metadataArray.get(index);
 	}
 	
 	
-	public AudioMetadata getInfo(FileHandle filehandle) {
+	public AudioMetadata getAudioMetadata(FileHandle filehandle) {
-		return metadataArray.get(musicList.getMusicArray().indexOf(filehandle, true));
+		for (int i = 0; i < metadataArray.size; i++) {
+			if (metadataArray.get(i).getFileHandle() == filehandle) {
+				return metadataArray.get(i);
+			}
+		}
+		return null;
 	}
 	
 	public boolean isSearching() {
@@ -97,6 +111,8 @@ public class MusicMetadataController extends Observable implements Disposable, O
 				}
 			}
 			
+			Sort.instance().sort(tempMetadataArray, metadataComparer);
+			
 			if (work) {
 				metadataArray = tempMetadataArray;
 				searching = false;
@@ -123,7 +139,7 @@ public class MusicMetadataController extends Observable implements Disposable, O
 
 	@Override
 	public void update(Observable o, Object arg) {
-		if (o == musicList) {
+		if (o == musicList && arg == musicList.states.COMPLETE) {
 			loadAudioMetadata();
 		}
 	}

core/src/zero1hd/rhythmbullet/audio/MusicController.java

@@ -25,7 +25,7 @@ public class MusicController extends Observable implements OnCompletionListener,
 	public final States states = new States();
 	private MusicList musicList;
 	private MinimalAudioHeader musicHeader;
-	private Music music;
+	private volatile Music music;
 	private int currentlyPlayingIndex;
 	private boolean autoPlay;
 	private boolean shuffle;
@@ -153,7 +153,6 @@ public class MusicController extends Observable implements OnCompletionListener,
 		musicHeader = null;
 		if (music != null) {
 			music.dispose();
-			music = null;
 		}
 		if (currentlyPlayingIndex < 0) {
 			currentlyPlayingIndex = musicList.getTotal()-1;

core/src/zero1hd/rhythmbullet/audio/metadata/AudioMetadata.java

@@ -29,7 +29,7 @@ public interface AudioMetadata extends Disposable {
 	
 	/**
 	 * 
-	 * @return the title of the song in the metadata.
+	 * @return the title of the song in the metadata, or if it doesn't exist, the filename without extension and _ is given.
 	 */
 	public String getTitle();
 	

core/src/zero1hd/rhythmbullet/audio/metadata/MP3Metadata.java

@@ -51,7 +51,7 @@ public class MP3Metadata implements AudioMetadata {
 			genre = tag.getFirst(ID3v23FieldKey.GENRE);
 			title = tag.getFirst(ID3v23FieldKey.TITLE);
 			if (title.isEmpty()) {
-				title = fileHandle.nameWithoutExtension();
+				title = fileHandle.nameWithoutExtension().replace('_', ' ');
 			}
 		} catch (IOException | CannotWriteException | CannotReadException | TagException | ReadOnlyFileException | InvalidAudioFrameException e) {
 			Gdx.app.error("MP3Metadata", "Failed to read metadata of file: " + fileHandle.name());

core/src/zero1hd/rhythmbullet/audio/metadata/WAVMetadata.java

@@ -40,7 +40,7 @@ public class WAVMetadata implements AudioMetadata {
 			author = tag.getFirst(FieldKey.ARTIST);
 			genre = tag.getFirst(FieldKey.GENRE);
 			if (title.isEmpty()) {
-				title = fileHandle.nameWithoutExtension();
+				title = fileHandle.nameWithoutExtension().replace('_', ' ');
 			}
 		} catch (CannotReadException | IOException | TagException | ReadOnlyFileException | InvalidAudioFrameException e) {
 			Gdx.app.error("WAVMetadata", "Failed to read metadata of file: " + fileHandle.name());

core/src/zero1hd/rhythmbullet/audio/visualizer/DoubleHorizontalVisualizer.java

@@ -25,7 +25,7 @@ public class DoubleHorizontalVisualizer implements Disposable {
 	private float spacePercentage = 0.7f;
 	private float baseSensitivity = 0.009f;
 	private int barCount = 120;
-	private float barChangeRate = 7f;
+	private float barChangeRate = 6.5f;
 	private int smoothRange = 2;
 	private int binsToInclude = 120;
 	private Color color = new Color(0.5f, 0.6f, 0.8f, 0.46f);
@@ -81,13 +81,13 @@ public class DoubleHorizontalVisualizer implements Disposable {
 			pixelsMoved = MathUtils.floor(difference*targetDelta*barChangeRate);
 			if (pixelsMoved >= 0) {
 				if (barHeights[bar] + pixelsMoved > amplitudes[bar]) {
-					barHeights[bar] += MathUtils.round(difference*targetDelta);
+					barHeights[bar] = (int) amplitudes[bar];
 				} else {
 					barHeights[bar] += pixelsMoved;
 				}
 			} else {
 				if (barHeights[bar] + pixelsMoved < amplitudes[bar]) {
-					barHeights[bar] += MathUtils.round(difference*targetDelta);
+					barHeights[bar] = (int) amplitudes[bar];
 				} else {
 					barHeights[bar] += pixelsMoved;
 				}

core/src/zero1hd/rhythmbullet/graphics/shaders/BloomShader.java

@@ -104,12 +104,12 @@ public class BloomShader implements Disposable {
 		
 		for (int i = 0; i <= bloomLevel; i++) {
 //			Horizontal gaussian blur
-			hBlur.begin();
 			if (i > 0) {
 				fboRegion.setTexture(vBlur.getColorBufferTexture());
 			} else {
 				fboRegion.setTexture(lightFilterBuffer.getColorBufferTexture());
 			}
+			hBlur.begin();
 			screenBatch.setShader(gaussianBlurShader);
 			gaussianBlurShader.setUniformi("horizontal", 1);
 			screenBatch.draw(fboRegion, 0f, 0f, width, height);
@@ -139,6 +139,10 @@ public class BloomShader implements Disposable {
 		this.bloomLevel = bloomLevel;
 	}
 	
+	public int getBloomLevel() {
+		return bloomLevel;
+	}
+	
 	@Override
 	public void dispose() {
 		brightFilterShader.dispose();

desktop/src/zero1hd/rhythmbullet/desktop/screens/main/MainPage.java

@@ -18,6 +18,7 @@ import com.badlogic.gdx.utils.Align;
 
 import zero1hd.rhythmbullet.RhythmBullet;
 import zero1hd.rhythmbullet.audio.MusicController;
+import zero1hd.rhythmbullet.audio.AudioMetadataController;
 import zero1hd.rhythmbullet.audio.visualizer.DoubleHorizontalVisualizer;
 import zero1hd.rhythmbullet.desktop.audio.PCMObtainer;
 import zero1hd.rhythmbullet.graphics.ui.Page;
@@ -27,6 +28,7 @@ import zero1hd.rhythmbullet.util.ScreenConfiguration;
 
 public class MainPage extends Page implements Observer {
 	private MusicController mc;
+	private AudioMetadataController mmc;
 	
 	private Label versionLabel;
 	private Image title;
@@ -41,10 +43,12 @@ public class MainPage extends Page implements Observer {
 	
 	private DoubleHorizontalVisualizer dhv;
 	
-	public MainPage(MusicController musicController, AssetManager assetManager, Skin skin, ScreenConfiguration screenConfiguration, ChangeListener playButtonListener, ChangeListener optionsButtonListener) {
+	public MainPage(MusicController musicController, AudioMetadataController mmc, AssetManager assetManager, Skin skin, ScreenConfiguration screenConfiguration, ChangeListener playButtonListener, ChangeListener optionsButtonListener) {
 		super(0, 0);
 		this.mc = musicController;
 		this.mc.addObserver(this);
+		this.mmc = mmc;
+		this.mmc.addObserver(this);
 
 		dhv = new DoubleHorizontalVisualizer((int) getWidth(), (int) 0, getHeight(), 0, screenConfiguration.getTargetFramesPerSecond(), mc, new PCMObtainer(mc));
 		dhv.setPosition(0, (int) ((getHeight() - dhv.getHeight())/2f));
@@ -118,7 +122,13 @@ public class MainPage extends Page implements Observer {
 	@Override
 	public void update(Observable o, Object arg) {
 		if (o == mc) {
-			scrollText.setText("Currently playing: " + mc.getCurrentSongName(), null);
+			if (mmc.isSameSizeMusicList()) {
+				scrollText.setText("Currently playing: " + mmc.getAudioMetadata(mc.getCurrentMusicFileHandle()).getTitle(), null);
+			} else {
+				scrollText.setText("Currently playing: " + mc.getCurrentMusicFileHandle().nameWithoutExtension().replace('_', ' '), null);
+			}
+	    } else if (o == mmc) {
+			scrollText.setText("Currently playing: " + mmc.getAudioMetadata(mc.getCurrentMusicFileHandle()).getTitle(), null);
 	    }
 	}
 }

desktop/src/zero1hd/rhythmbullet/desktop/screens/main/MainScreen.java

@@ -13,7 +13,7 @@ import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
 
 import zero1hd.rhythmbullet.RhythmBullet;
-import zero1hd.rhythmbullet.audio.MusicMetadataController;
+import zero1hd.rhythmbullet.audio.AudioMetadataController;
 import zero1hd.rhythmbullet.audio.MusicList;
 import zero1hd.rhythmbullet.audio.MusicController;
 import zero1hd.rhythmbullet.desktop.audio.processor.DesktopAudioProcessorFactory;
@@ -37,7 +37,7 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 	private AnalysisPage analysisPage;
 	
 	private MusicController musicController;
-	private MusicMetadataController musicMetadataController;
+	private AudioMetadataController musicMetadataController;
 	
 	private RhythmBullet rhythmBullet;
 	
@@ -49,6 +49,7 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 	
 	private Batch screenBatch;
 	
+	private float targetDelta;
 	public MainScreen(RhythmBullet core) {
 		this.rhythmBullet = core;
 		stage = new Stage(new ScreenViewport());
@@ -58,10 +59,11 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 		musicController = new MusicController(musicList, core.getPreferences());
 		musicController.setAutoPlay(true);
 		musicController.setShuffle(true);
-		musicMetadataController = new MusicMetadataController(musicList);
+		musicMetadataController = new AudioMetadataController(musicList);
 		
 		listeners = new Listeners();
 		screenBatch = new SpriteBatch();
+		targetDelta = 1f/core.getScreenConfiguration().getTargetFramesPerSecond();
 	}
 	
 	@Override
@@ -78,7 +80,7 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 		}
 
 		if (stage.getCamera().position.x != cameraPosition.x || stage.getCamera().position.y != cameraPosition.y) {
-			stage.getCamera().position.lerp(cameraPosition, delta*lerpAlpha);
+			stage.getCamera().position.lerp(cameraPosition, targetDelta*lerpAlpha);
 			stage.getViewport().apply();
 		}
 		
@@ -113,7 +115,7 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 		
 		background = rhythmBullet.getAssetManager().get("backgrounds/mainBG.png", Texture.class);
 		
-		mainPage = new MainPage(musicController, rhythmBullet.getAssetManager(), rhythmBullet.getSkin(), rhythmBullet.getScreenConfiguration(), listeners.musicSelectionPageButtonListener, listeners.optionsPageButtonListener);
+		mainPage = new MainPage(musicController, musicMetadataController, rhythmBullet.getAssetManager(), rhythmBullet.getSkin(), rhythmBullet.getScreenConfiguration(), listeners.musicSelectionPageButtonListener, listeners.optionsPageButtonListener);
 		stage.addActor(mainPage);
 		//End main menu
 
@@ -251,7 +253,7 @@ public class MainScreen extends ScreenAdapter implements ResizeReadyScreen {
 				}
 				if (bloomLevel > 0) {
 					if (bloomShader == null) bloomShader = new BloomShader(screenBatch);
-					bloomShader.setBloomLevel(bloomLevel);
+					bloomShader.setBloomLevel((bloomLevel-1)*2);
 				} else if (bloomShader != null) {
 					bloomShader.dispose();
 					bloomShader = null;

desktop/src/zero1hd/rhythmbullet/desktop/screens/main/MusicSelectionPage.java

@@ -31,7 +31,7 @@ import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable;
 import com.badlogic.gdx.utils.Align;
 import com.badlogic.gdx.utils.Array;
 
-import zero1hd.rhythmbullet.audio.MusicMetadataController;
+import zero1hd.rhythmbullet.audio.AudioMetadataController;
 import zero1hd.rhythmbullet.audio.metadata.AudioMetadata;
 import zero1hd.rhythmbullet.audio.MusicController;
 import zero1hd.rhythmbullet.graphics.ui.Page;
@@ -41,7 +41,7 @@ public class MusicSelectionPage extends Page implements Observer {
 	Preferences musicFileAnnotation;
 	
 	private MusicController mc;
-	private MusicMetadataController mmc;
+	private AudioMetadataController mmc;
 	private MusicSelectableButtonGroup selectables;
 	private VerticalGroup vGroup;
 	private TextButton back;
@@ -62,7 +62,7 @@ public class MusicSelectionPage extends Page implements Observer {
 	
 	private float scrollTimer, scrollDelay = 0.2f, scrollDelMod, songSelectionTimer;
 	private float musicSelectDelay;
-	public MusicSelectionPage(AssetManager assetManager, Skin skin, MusicController musicController, MusicMetadataController musicMetadataController, ChangeListener backButtonListener, ChangeListener beginButtonListener) {
+	public MusicSelectionPage(AssetManager assetManager, Skin skin, MusicController musicController, AudioMetadataController musicMetadataController, ChangeListener backButtonListener, ChangeListener beginButtonListener) {
 		super(1, 0);
 		this.assets = assetManager;
 		this.mc = musicController;
@@ -77,8 +77,6 @@ public class MusicSelectionPage extends Page implements Observer {
 		scrollPane = new ScrollPane(vGroup, skin);
 		scrollPane.setSize(0.45f*getWidth(), getHeight());
 		scrollPane.setOverscroll(false, false);
-		scrollPane.setClamp(true);
-		scrollPane.setSmoothScrolling(false);
 		scrollPane.setColor(Color.BLUE);
 		addActor(scrollPane);
 		back = new TextButton("Back", skin);
@@ -179,9 +177,9 @@ public class MusicSelectionPage extends Page implements Observer {
 	private synchronized void updateList(float delta) {
 		if (mc.getMusicList().isSearched()) {
 			if (mc.getMusicList().getTotal() != 0) {
-				if (mmc.isDone() && !mmc.isSearching()) {
+				if (mmc.isSameSizeMusicList() && !mmc.isSearching()) {
 					if (selectables.size() != mmc.size()) {
-						MusicSelectable selectable = new MusicSelectable(mmc.getMetadata(selectables.size()));
+						MusicSelectable selectable = new MusicSelectable(mmc.getAudioMetadata(selectables.size()));
 						selectables.add(selectable);
 					} else if (selectables.size() != vGroup.getChildren().size) {
 						vGroup.addActor(selectables.getButtons().get(vGroup.getChildren().size));
@@ -351,7 +349,7 @@ public class MusicSelectionPage extends Page implements Observer {
 			actualCoords.x = getX() + getParent().getX();
 			actualCoords.y = getY() + getParent().getY();
 
-			if ((actualCoords.y < 0 - getHeight() - getStage().getHeight()*1.5f || actualCoords.y > getStage().getHeight()*1.5f) && selectables.getChecked() != this) {
+			if ((actualCoords.y < 0 - getHeight() - getStage().getHeight()*1.5f || actualCoords.y > getStage().getHeight()*2.5f) && selectables.getChecked() != this) {
 				offScreenAct(delta);
 			} else {
 				onScreenAct(delta);