ydeng/rhythmbullet
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minor cleanup

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This commit is contained in:
Harrison Deng 2018-01-10 01:41:21 -06:00
parent 7b8f442f98
commit df56545408
1 changed files with 15 additions and 8 deletions
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23
desktop/src/zero1hd/rhythmbullet/desktop/graphics/ui/components/Visualizer.java
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@ -27,13 +27,15 @@ public class Visualizer extends Widget implements Disposable {
private MusicManager mm; private MusicManager mm;
private ShortBuffer buffer; private ShortBuffer buffer;
private int sourceID; private int sourceID;
private float visRefreshRate = 1f/60f;
private float timer;
public Visualizer() { public Visualizer() {
vis = new BasicVisualizer(); vis = new BasicVisualizer();
try { try {
Field tempBufferField = ClassReflection.getDeclaredField(OpenALMusic.class, "tempBuffer"); Field bufferField = ClassReflection.getDeclaredField(OpenALMusic.class, "tempBuffer");
tempBufferField.setAccessible(true); bufferField.setAccessible(true);
buffer = ((ByteBuffer) tempBufferField.get(null)).asShortBuffer(); buffer = ((ByteBuffer) bufferField.get(null)).asShortBuffer();
} catch (IllegalArgumentException | SecurityException | ReflectionException e) { } catch (IllegalArgumentException | SecurityException | ReflectionException e) {
e.printStackTrace(); e.printStackTrace();
Gdx.app.debug("Visualizer reflection", "Failed attempt at retrieving tempBuffer field."); Gdx.app.debug("Visualizer reflection", "Failed attempt at retrieving tempBuffer field.");
@ -64,18 +66,23 @@ public class Visualizer extends Widget implements Disposable {
vis.setxPos((getWidth() - vis.getActualWidth())/2f); vis.setxPos((getWidth() - vis.getActualWidth())/2f);
} }
if (mmSet) { if (mmSet) {
setupPCMData(); if (timer >= visRefreshRate) {
} timer = 0;
calcPCMData();
vis.calculate(delta); vis.calculate(delta);
} else {
timer += delta;
}
}
super.act(delta); super.act(delta);
} }
public void setupPCMData() { public void calcPCMData() {
short chanVal; short chanVal;
int pos = (int) ((alGetSourcef(sourceID, AL11.AL_SAMPLE_OFFSET)-4)); int pos = (int) ((alGetSourcef(sourceID, AL11.AL_SAMPLE_OFFSET)));
try { try {
buffer.position((int) Math.max(0, pos)); buffer.position(pos);
} catch (IllegalArgumentException outOfBounds) { } catch (IllegalArgumentException outOfBounds) {
System.out.println(outOfBounds); System.out.println(outOfBounds);
} }