fix: explosion cuts off randomly

src/net/torvald/terrarum/audio/AudioMixer.kt

@@ -453,9 +453,9 @@ class AudioMixer : Disposable {
     }
 
     fun startAmb(song: MusicContainer) {
-        val ambientTrack = if (!ambientTrack1.streamPlaying)
+        val ambientTrack = if (!ambientTrack1.streamPlaying.get())
             ambientTrack1
-        else if (!ambientTrack2.streamPlaying)
+        else if (!ambientTrack2.streamPlaying.get())
             ambientTrack2
         else if (ambientTrack1.playStartedTime < ambientTrack2.playStartedTime)
             ambientTrack1

src/net/torvald/terrarum/audio/MixerTrackProcessor.kt

@@ -181,8 +181,15 @@ class MixerTrackProcessor(bufferSize: Int, val rate: Int, val track: TerrarumAud
 
 
             // fetch deviceBufferSize amount of sample from the disk
-            if (track.trackType != TrackType.MASTER && track.trackType != TrackType.BUS && track.streamPlaying) {
-                if (streamBuf == null && track.currentTrack != null) allocateStreamBuf(track)
+            if (track.playRequested.get()) {
+                track.play()
+            }
+
+            if (track.trackType != TrackType.MASTER && track.trackType != TrackType.BUS && track.streamPlaying.get()) {
+                if (streamBuf == null && track.currentTrack != null) {
+                    allocateStreamBuf(track)
+                }
+
                 streamBuf!!.fetchBytes()
             }
 
@@ -208,7 +215,7 @@ class MixerTrackProcessor(bufferSize: Int, val rate: Int, val track: TerrarumAud
             }
             // source channel: skip processing if there's no active input
 //            else if (track.getSidechains().any { it != null && !it.isBus && !it.isMaster && !it.streamPlaying } && !track.streamPlaying) {
-            else if (!track.streamPlaying || streamBuf == null || streamBuf!!.validSamplesInBuf < App.audioBufferSize) {
+            else if (!track.streamPlaying.get() || streamBuf == null || streamBuf!!.validSamplesInBuf < App.audioBufferSize) {
                 samplesL1 = emptyBuf
                 samplesR1 = emptyBuf
 

src/net/torvald/terrarum/audio/MusicContainer.kt

@@ -41,13 +41,13 @@ data class MusicContainer(
             is Wav.Music -> {
                 val rate = gdxMusic.extortField<Wav.WavInputStream>("input")!!.sampleRate
 
-                App.printdbg(this, "music $name is WAV; rate = $rate")
+//                App.printdbg(this, "music $name is WAV; rate = $rate")
                 rate
             }
             is Ogg.Music -> {
                 val rate = gdxMusic.extortField<OggInputStream>("input")!!.sampleRate
 
-                App.printdbg(this, "music $name is OGG; rate = $rate")
+//                App.printdbg(this, "music $name is OGG; rate = $rate")
                 rate
             }
             is Mp3.Music -> {
@@ -62,11 +62,11 @@ data class MusicContainer(
 //                val rate = header.sampleRate
 //                gdxMusic.reset()
 
-                App.printdbg(this, "music $name is MP3; rate = $rate")
+//                App.printdbg(this, "music $name is MP3; rate = $rate")
                 rate
             }
             else -> {
-                App.printdbg(this, "music $name is ${gdxMusic::class.qualifiedName}; rate = default")
+//                App.printdbg(this, "music $name is ${gdxMusic::class.qualifiedName}; rate = default")
                 TerrarumAudioMixerTrack.SAMPLING_RATE
             }
         }

src/net/torvald/terrarum/audio/TerrarumAudioMixerTrack.kt

@@ -5,11 +5,14 @@ import com.badlogic.gdx.backends.lwjgl3.audio.OpenALLwjgl3Audio
 import com.badlogic.gdx.utils.Disposable
 import com.badlogic.gdx.utils.Queue
 import net.torvald.terrarum.App
+import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.audio.dsp.NullFilter
 import net.torvald.terrarum.audio.dsp.TerrarumAudioFilter
 import net.torvald.terrarum.gameactors.Actor
 import net.torvald.terrarum.getHashStr
 import net.torvald.terrarum.hashStrMap
+import net.torvald.terrarum.printStackTrace
+import java.util.concurrent.atomic.AtomicBoolean
 import kotlin.math.log10
 import kotlin.math.pow
 
@@ -60,7 +63,7 @@ class TerrarumAudioMixerTrack(
 
     var trackingTarget: Actor? = null
 
-    internal var streamPlaying = false
+    internal val streamPlaying = AtomicBoolean(false)
     var playStartedTime = 0L; internal set
 
 
@@ -70,7 +73,7 @@ class TerrarumAudioMixerTrack(
         other.nextTrack = this.nextTrack
         other.volume = this.volume
         other.trackingTarget = this.trackingTarget
-        other.streamPlaying = this.streamPlaying
+        other.streamPlaying.set(this.streamPlaying.get())
         other.playStartedTime = this.playStartedTime
         filters.indices.forEach { i ->
             other.filters[i].copyParamsFrom(this.filters[i])
@@ -133,15 +136,18 @@ class TerrarumAudioMixerTrack(
         nextTrack = nextNext
     }
 
+    val playRequested = AtomicBoolean(false)
+
 
     fun play() {
         playStartedTime = System.nanoTime()
-        streamPlaying = true
+        streamPlaying.set(true)
+        playRequested.set(false)
 //        currentTrack?.gdxMusic?.play()
     }
 
     val isPlaying: Boolean
-        get() = streamPlaying//currentTrack?.gdxMusic?.isPlaying
+        get() = streamPlaying.get()//currentTrack?.gdxMusic?.isPlaying
 
     override fun dispose() {
         /*if (isMaster) { // uncomment to multithread
@@ -158,7 +164,7 @@ class TerrarumAudioMixerTrack(
     fun stop() {
         currentTrack?.reset()
 
-        streamPlaying = false
+        streamPlaying.set(false)
 //        playStartedTime = 0L
 
         if (trackingTarget != null && currentTrack != null) {