footsteps using dynamic track wip

src/net/torvald/terrarum/CreditSingleton.kt

@@ -261,7 +261,20 @@ $BULLET Ambient sound recordings:
     - crickets_02.ogg
 
 Copyright (C) 2012, 2013, 2015, 2016, 2017 Klankbeeld
-Sound from <https://www.freesound.org/people/klankbeeld/>
+Sound from <https://www.freesound.org/people/klankbeeld>
+
+
+
+$BULLET Footstep sound recordings:
+
+    - GRSS_01..06.ogg
+    - GRVL_01..07.ogg
+    - ROCK_01..09.ogg
+    - SAND_01..04.ogg
+    - WOOD_01..03.ogg
+
+Copyright (C) 2020, 2021, 2022 Nox Sound
+Sound from <https://freesound.org/people/Nox_Sound>
 
 
 

src/net/torvald/terrarum/IngameInstance.kt

@@ -217,7 +217,7 @@ open class IngameInstance(val batch: FlippingSpriteBatch, val isMultiplayer: Boo
         actorContainerInactive.forEach { it.dispose() }
         world.dispose()
 
-        disposables.forEach(Consumer { it.tryDispose() })
+        disposables.forEach { it.tryDispose() }
     }
 
     ////////////

src/net/torvald/terrarum/ModMgr.kt

@@ -6,6 +6,7 @@ import com.badlogic.gdx.graphics.Pixmap
 import com.badlogic.gdx.utils.JsonValue
 import net.torvald.terrarum.App.*
 import net.torvald.terrarum.App.setToGameConfig
+import net.torvald.terrarum.audio.AudioCodex
 import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.blockproperties.OreCodex
 import net.torvald.terrarum.blockproperties.WireCodex
@@ -464,6 +465,16 @@ object ModMgr {
             return dir.listFiles()
         }
     }
+    fun getGdxFiles(module: String, path: String): Array<FileHandle> {
+        checkExistence(module)
+        val dir = getGdxFile(module, path)
+        if (!dir.isDirectory) {
+            throw FileNotFoundException("The path is not a directory")
+        }
+        else {
+            return dir.list()
+        }
+    }
 
     /** Get a common file (literal file or directory) from all the installed mods. Files are guaranteed to exist. If a mod does not
      * contain the file, the mod will be skipped.
@@ -668,6 +679,35 @@ object ModMgr {
         }
     }
 
+    object GameAudioLoader {
+        val audioPath = listOf(
+            "audio/music",
+            "audio/effects",
+            "audio/ambient",
+        )
+
+        init {
+            Terrarum.audioCodex = AudioCodex()
+        }
+
+        private fun loadAudio(basename: String, file: FileHandle) {
+            if (file.isDirectory)
+                file.list().forEach { loadAudio("$basename.${it.nameWithoutExtension()}", it) }
+            else {
+                val id = basename
+                val materialID = file.nameWithoutExtension().substringBefore('_')
+                Terrarum.audioCodex.addToFootstepPool(materialID, file)
+                printdbg(this, "Registering music $id")
+            }
+        }
+
+        @JvmStatic operator fun invoke(module: String) {
+            audioPath.forEach {
+                getGdxFiles(module, it).forEach { file -> loadAudio("audio.${file.name()}", file) }
+            }
+        }
+    }
+
     /**
      * A sugar-library for easy texture pack creation
      */

src/net/torvald/terrarum/Terrarum.kt

@@ -16,6 +16,7 @@ import net.torvald.random.HQRNG
 import net.torvald.terrarum.App.*
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZED
+import net.torvald.terrarum.audio.AudioCodex
 import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.blockproperties.FluidCodex
 import net.torvald.terrarum.blockproperties.OreCodex
@@ -78,6 +79,7 @@ object Terrarum : Disposable {
     var apocryphas = HashMap<String, Any>(); internal set
     var fluidCodex = FluidCodex(); internal set
     var oreCodex = OreCodex(); internal set
+    var audioCodex = AudioCodex(); internal set
 
 
     //////////////////////////////

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

@@ -0,0 +1,34 @@
+package net.torvald.terrarum.audio
+
+import com.badlogic.gdx.Gdx
+import com.badlogic.gdx.audio.Music
+import com.badlogic.gdx.files.FileHandle
+import com.badlogic.gdx.utils.Disposable
+import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.modulebasegame.MusicContainer
+import net.torvald.terrarum.tryDispose
+
+typealias MaterialID = String
+
+/**
+ * Created by minjaesong on 2023-12-02.
+ */
+class AudioCodex: Disposable {
+
+    @Transient val footsteps = HashMap<MaterialID, HashSet<MusicContainer>>()
+
+    internal constructor()
+
+    fun addToFootstepPool(materialID: MaterialID, music: FileHandle) {
+        if (footsteps[materialID] == null) footsteps[materialID] = HashSet()
+        footsteps[materialID]!!.add(
+            MusicContainer(music.nameWithoutExtension(), music.file(), Gdx.audio.newMusic(music)) {}
+        )
+    }
+
+    fun getRandomFootstep(materialID: MaterialID) = footsteps[materialID]?.random()
+
+    override fun dispose() {
+        footsteps.values.forEach { it.forEach { it.gdxMusic.tryDispose() } }
+    }
+}

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

@@ -101,18 +101,14 @@ object AudioMixer: Disposable {
      * Return oldest dynamic track, even if the track is currently playing
      */
     fun getFreeTrackNoMatterWhat(): TerrarumAudioMixerTrack {
-        return dynamicTracks.minBy { it.playStartedTime }
+        return getFreeTrack() ?: dynamicTracks.minBy { it.playStartedTime }
     }
 
     /**
      * Return oldest dynamic track that is not playing
      */
     fun getFreeTrack(): TerrarumAudioMixerTrack? {
-        val oldestTrack = dynamicTracks.minBy { it.playStartedTime }
+        return dynamicTracks.filter { it.trackingTarget == null && !it.isPlaying }.minByOrNull { it.playStartedTime }
-        return if (oldestTrack.isPlaying)
-            null
-        else
-            oldestTrack
     }
 
     private val processingExecutor = ThreadExecutor()

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

@@ -2,6 +2,7 @@ package net.torvald.terrarum.audio
 
 import com.badlogic.gdx.utils.Queue
 import net.torvald.reflection.forceInvoke
+import net.torvald.terrarum.App
 import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.audio.dsp.BinoPan
 import net.torvald.terrarum.audio.dsp.NullFilter
@@ -41,7 +42,7 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
     private val distFalloff = 2048.0
 
     private fun printdbg(msg: Any) {
-        if (true) println("[AudioAdapter ${track.name}] $msg")
+        if (true) App.printdbg("AudioAdapter ${track.name}", msg)
     }
     override fun run() {
 //        while (running) { // uncomment to multithread
@@ -80,8 +81,8 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
                         track.volume = track.maxVolume
                         (track.filters[0] as BinoPan).pan = 0f
                     }
-                    else {
+                    else if (track.trackingTarget is ActorWithBody) {
-                        val relativeXpos = relativeXposition(AudioMixer.actorNowPlaying!!, track.trackingTarget!!)
+                        val relativeXpos = relativeXposition(AudioMixer.actorNowPlaying!!, track.trackingTarget as ActorWithBody)
                         track.volume = track.maxVolume * (1.0 - relativeXpos.absoluteValue.pow(0.5) / distFalloff)
                         (track.filters[0] as BinoPan).pan = ((2*asin(relativeXpos / distFalloff)) / Math.PI).toFloat()
                     }
@@ -91,6 +92,10 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
 
             // fetch deviceBufferSize amount of sample from the disk
             if (track.trackType != TrackType.MASTER && track.trackType != TrackType.BUS && track.streamPlaying) {
+                if (track.trackType == TrackType.DYNAMIC_SOURCE) {
+                    printdbg("${track.name} streaming")
+                }
+
                 streamBuf.fetchBytes {
                     val bytesRead = track.currentTrack?.gdxMusic?.forceInvoke<Int>("read", arrayOf(it))
                     if (bytesRead == null || bytesRead <= 0) { // some class (namely Mp3) may return 0 instead of negative value

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

@@ -9,6 +9,7 @@ import net.torvald.reflection.forceInvoke
 import net.torvald.terrarum.App
 import net.torvald.terrarum.audio.dsp.NullFilter
 import net.torvald.terrarum.audio.dsp.TerrarumAudioFilter
+import net.torvald.terrarum.gameactors.Actor
 import net.torvald.terrarum.gameactors.ActorWithBody
 import net.torvald.terrarum.getHashStr
 import net.torvald.terrarum.hashStrMap
@@ -22,7 +23,7 @@ enum class TrackType {
     STATIC_SOURCE, DYNAMIC_SOURCE, BUS, MASTER
 }
 
-class TerrarumAudioMixerTrack(val name: String, val trackType: TrackType, private val maxVolumeFun: () -> Double = {1.0}): Disposable {
+class TerrarumAudioMixerTrack(val name: String, val trackType: TrackType, var maxVolumeFun: () -> Double = {1.0}): Disposable {
 
     companion object {
         const val SAMPLING_RATE = 48000
@@ -57,7 +58,7 @@ class TerrarumAudioMixerTrack(val name: String, val trackType: TrackType, privat
 
     val filters: Array<TerrarumAudioFilter> = Array(4) { NullFilter }
 
-    var trackingTarget: ActorWithBody? = null
+    var trackingTarget: Actor? = null
 
     var playStartedTime = 0L; private set
 
@@ -140,9 +141,16 @@ class TerrarumAudioMixerTrack(val name: String, val trackType: TrackType, privat
     fun stop() {
         currentTrack?.gdxMusic?.forceInvoke<Int>("reset", arrayOf())
         streamPlaying = false
-        playStartedTime = 0L
+//        playStartedTime = 0L
+
+        if (trackingTarget != null && currentTrack != null) {
+            trackingTarget!!.onAudioInterrupt(currentTrack!!)
+        }
+
         fireSongFinishHook()
         // fireSoundFinishHook()
+
+        trackingTarget = null
     }
 
     fun fireSongFinishHook() {

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

@@ -3,11 +3,13 @@ package net.torvald.terrarum.gameactors
 import com.badlogic.gdx.audio.Music
 import com.badlogic.gdx.audio.Sound
 import net.torvald.random.HQRNG
+import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.INGAME
 import net.torvald.terrarum.ReferencingRanges
 import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.audio.AudioMixer
 import net.torvald.terrarum.audio.TerrarumAudioMixerTrack
+import net.torvald.terrarum.audio.TrackVolume
 import net.torvald.terrarum.modulebasegame.MusicContainer
 import net.torvald.terrarum.modulebasegame.gameactors.ActorHumanoid
 import net.torvald.terrarum.modulebasegame.gameactors.Pocketed
@@ -120,13 +122,17 @@ abstract class Actor : Comparable<Actor>, Runnable {
             }
         }
 
+        printdbg(this, "Dynamic Source ${track?.name}")
+
         return track
     }
 
-    open fun startAudio(music: MusicContainer) {
+    open fun startAudio(music: MusicContainer, volume: TrackVolume = 1.0) {
         getTrackByAudio(music)?.let {
-            it.trackingTarget = if (this is ActorWithBody) this else null
+            it.stop()
+            it.trackingTarget = this
             it.currentTrack = music
+            it.maxVolumeFun = { volume }
             it.play()
         }
     }

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

@@ -11,6 +11,7 @@ import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZED
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZEF
+import net.torvald.terrarum.audio.AudioCodex
 import net.torvald.terrarum.blockproperties.Block
 import net.torvald.terrarum.blockproperties.BlockProp
 import net.torvald.terrarum.gamecontroller.KeyToggler
@@ -2041,6 +2042,20 @@ open class ActorWithBody : Actor {
                     makeDust0(tile, px, py, particleCount, collisionDamage, vecSum)
                 }
             }
+
+            if (particleCount >= 1.0) {
+                val volumeMax = (particleCount.pow(0.75) / 8.0).coerceIn(0.0, 2.0)
+                val feetTileMats = feetTiles.map { BlockCodex[it.second].material }
+                val feetTileCnt = feetTileMats.size.toDouble()
+                val materialStats = feetTileMats.distinct().map { mat -> mat to feetTileMats.count { it == mat } }
+                materialStats.forEach { (mat, cnt) ->
+                    Terrarum.audioCodex.getRandomFootstep(mat)?.let {
+                        val vol = volumeMax * (cnt / feetTileCnt)
+                        startAudio(it, vol)
+                        printdbg(this, "Playing footstep $mat (vol: $vol, file: ${it.file.name})")
+                    }
+                }
+            }
         }
     }
 

src/net/torvald/terrarum/modulebasegame/EntryPoint.kt

@@ -43,6 +43,7 @@ class EntryPoint : ModuleEntryPoint() {
         ModMgr.GameOreLoader.invoke(moduleName)
         ModMgr.GameLanguageLoader.invoke(moduleName)
         ModMgr.GameCraftingRecipeLoader.invoke(moduleName)
+        ModMgr.GameAudioLoader.invoke(moduleName)
 
         if (App.IS_DEVELOPMENT_BUILD) {
             println("[EntryPoint] Crafting Recipes: ")

src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt

@@ -8,6 +8,7 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.graphics.glutils.ShapeRenderer
 import net.torvald.terrarum.*
 import net.torvald.terrarum.App.*
+import net.torvald.terrarum.Terrarum.audioCodex
 import net.torvald.terrarum.Terrarum.getPlayerSaveFiledesc
 import net.torvald.terrarum.Terrarum.getWorldSaveFiledesc
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
@@ -1586,7 +1587,7 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
         }
 
         musicGovernor.dispose()
-
+        audioCodex.dispose()
         super.dispose()
     }
 }