trying to fix glitchy audio after load

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

@@ -147,7 +147,7 @@ class AudioProcessBuf(val inputSamplingRate: Int, val audioReadFun: (ByteArray)
     private val readBuf = ByteArray(fetchSize * 4)
 
     init {
-        printdbg(this, "App.audioMixerBufferSize=${App.audioBufferSize}")
+//        printdbg(this, "App.audioMixerBufferSize=${App.audioBufferSize}")
     }
 
     private fun shift(array: FloatArray, size: Int) {

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

@@ -162,6 +162,8 @@ class TerrarumAudioMixerTrack(
     override fun equals(other: Any?) = this.hash == (other as TerrarumAudioMixerTrack).hash
 
     fun stop() {
+        printdbg(this, "Stop music (mixertrack=${this.name}, musictrack=$currentTrack)")
+
         currentTrack?.reset()
 
         streamPlaying.set(false)

src/net/torvald/terrarum/gameactors/Actor.kt

@@ -161,6 +161,9 @@ abstract class Actor : Comparable<Actor>, Runnable {
                 musicTracks1.add(track.name)
                 track.stop()
             }
+            else {
+//                printdbg(this, "Could not get a free track")
+            }
         }
 
 //        printdbg(this, "Dynamic Source ${track?.name}")
@@ -182,9 +185,9 @@ abstract class Actor : Comparable<Actor>, Runnable {
                 it.currentTrack = music
                 it.maxVolumeFun = { volume }
                 it.volume = volume
-                doSomethingWithTrack(it)
 //                it.play()
                 it.playRequested.set(true)
+                doSomethingWithTrack(it)
             }
         }
     }

src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt

@@ -248,7 +248,8 @@ open class FixtureBase : ActorWithBody, CuedByTerrainChange {
      * Condition for (if the tile is solid) is always implied regardless of this function. See [canSpawnHere0]
      */
     open fun canSpawnOnThisFloor(itemID: ItemID): Boolean {
-        return true
+        val blockprop = BlockCodex[itemID]
+        return blockprop.isSolid || blockprop.isPlatform
     }
 
     fun canSpawnHere(posX0: Int, posY0: Int): Boolean {
@@ -277,7 +278,7 @@ open class FixtureBase : ActorWithBody, CuedByTerrainChange {
             val xs = posX until posX + blockBox.width
             cannotSpawn = cannotSpawn or xs.any { x ->
                 world!!.getTileFromTerrain(x, y).let {
-                    !BlockCodex[it].isSolid || !canSpawnOnThisFloor(it)
+                    !canSpawnOnThisFloor(it)
                 }
             }
         }

src/net/torvald/terrarum/modulebasegame/gameactors/FixtureFurnaceAndAnvil.kt

@@ -4,6 +4,7 @@ import com.badlogic.gdx.Gdx
 import net.torvald.gdx.graphics.Cvec
 import net.torvald.spriteanimation.SheetSpriteAnimation
 import net.torvald.terrarum.*
+import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.audio.MusicContainer
 import net.torvald.terrarum.audio.decibelsToFullscale
 import net.torvald.terrarum.audio.dsp.Gain
@@ -19,6 +20,7 @@ import net.torvald.terrarum.modulebasegame.gameitems.FixtureItemBase
 import net.torvald.terrarum.modulebasegame.ui.UICrafting
 import net.torvald.terrarum.modulebasegame.ui.UIInventoryFull
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
+import net.torvald.unsafe.UnsafeHelper
 
 /**
  * Created by minjaesong on 2023-12-05.
@@ -81,6 +83,8 @@ class FixtureFurnaceAndAnvil : FixtureBase, CraftingStation {
     private var nextDelay = 0.25f
     private var spawnTimer = 0f
 
+    @Transient private var audioStatus = 0
+
     override fun updateImpl(delta: Float) {
         super.updateImpl(delta)
 
@@ -108,17 +112,33 @@ class FixtureFurnaceAndAnvil : FixtureBase, CraftingStation {
 
         // manage audio
         getTrackByAudio(static).let {
-            if (it != null && !it.isPlaying) {
+            printdbg(this, "hasbuf=${it?.processor?.streamBuf}, playing=${it?.isPlaying}, playRequested=${it?.playRequested}")
-                startAudio(static) {
+
-                    it.filters[filterIndex] = Gain(0f)
+            if (it != null) {
+
+                if (audioStatus == 0) {
+                    startAudio(static) {
+                        it.filters[filterIndex] = Gain(0f)
+                        audioStatus = 1
+                    }
                 }
             }
-        }
+            else {
-        getTrackByAudio(static)?.let {
+//                printdbg(this, "Track is null! (old audio status=$audioStatus")
-            if (it.filters[filterIndex] !is Gain) // just in case...
+                audioStatus = 0
-                it.filters[filterIndex] = Gain(0f)
+            }
 
-            (it.filters[filterIndex] as Gain).gain = 0.4f * volRand.get()
+            if (it != null) {
+                if (it.processor.streamBuf != null || it.playRequested.get()) {
+                    if (it.filters[filterIndex] !is Gain) // just in case...
+                        it.filters[filterIndex] = Gain(0f)
+
+                    (it.filters[filterIndex] as Gain).gain = 0.4f * volRand.get()
+                }
+                else {
+                    audioStatus = 0
+                }
+            }
         }
     }
 

src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSmelterBasic.kt

@@ -290,7 +290,7 @@ class FixtureSmelterBasic : FixtureBase, CraftingStation {
 
         // manage audio
         getTrackByAudio(static).let {
-            if (it == null || (temperature > 0f && !it.isPlaying)) {
+            if (it == null || (temperature > 0f && !it.isPlaying && !it.playRequested.get())) {
                 startAudio(static) {
                     it.filters[filterIndex] = Gain(0f)
                 }
@@ -300,12 +300,13 @@ class FixtureSmelterBasic : FixtureBase, CraftingStation {
                     it.filters[filterIndex] = NullFilter
                 }
             }
-        }
-        getTrackByAudio(static)?.let {
-            if (it.filters[filterIndex] !is Gain) // just in case...
-                it.filters[filterIndex] = Gain(0f)
 
-            (it.filters[filterIndex] as Gain).gain = (it.maxVolume * temperature * volRand.get()).toFloat()
+            if (it != null) {
+                if (it.filters[filterIndex] !is Gain) // just in case...
+                    it.filters[filterIndex] = Gain(0f)
+
+                (it.filters[filterIndex] as Gain).gain = (it.maxVolume * temperature * volRand.get()).toFloat()
+            }
         }
 
     }