ambient mixer

src/net/torvald/terrarum/CreditSingleton.kt

@@ -273,14 +273,15 @@ limitations under the License.
 
 $BULLET Foleys:
 
-    - ambient/season/crepuscular_summer.*.ogg
+    - ambient/season/crepuscular.*.ogg
     - ambient/season/diurnal_autumn.*.ogg
     - ambient/season/diurnal_spring.*.ogg
     - ambient/season/diurnal_summer.*.ogg
     - ambient/season/diurnal_winter.*.ogg
+    - ambient/season/matutinal.*.ogg
     - ambient/season/nocturnal_summer.*.ogg
 
-Copyright (C) 2013, 2015, 2020, 2021 Klankbeeld
+Copyright (C) 2011, 2013, 2015, 2020, 2021 Klankbeeld
 Sound from <https://www.freesound.org/people/klankbeeld>
 
     - effects/steps/GRSS.*.ogg

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

@@ -7,7 +7,6 @@ import com.badlogic.gdx.utils.Disposable
 import com.jme3.math.FastMath
 import net.torvald.spriteanimation.AssembledSpriteAnimation
 import net.torvald.terrarum.*
-import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATE
 import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATED
 import net.torvald.terrarum.audio.dsp.*
@@ -56,18 +55,20 @@ class AudioMixer(val bufferSize: Int): Disposable {
     val dynamicSourceCount: Int
         get() = App.getConfigInt("audio_dynamic_source_max")
 
-    val tracks = Array(10) { TerrarumAudioMixerTrack(
+    val tracks = Array(12) { TerrarumAudioMixerTrack(
         if (it == 0) "Music"
         else if (it == 1) "Amb1"
         else if (it == 2) "Amb2"
-        else if (it == 3) "GUI"
-        else if (it == 4) "\u00E4AMB"
-        else if (it == 5) "\u00E4SFX"
-        else if (it == 6) "\u00F0 \u00E4 \u00F0" // summation
-        else if (it == 7) "\u00D9Open\u00D9" // convolution1
-        else if (it == 8) "\u00D9Cave\u00D9" // convolution2
-        else if (it == 9) "\u00F0 \u00DA \u00F0" // fade
-        else "Trk${it+1}", trackType = if (it >= 3) TrackType.BUS else TrackType.STATIC_SOURCE, maxVolumeFun = {
+        else if (it == 3) "AMB1+2"
+        else if (it == 4) "Amb3"
+        else if (it == 5) "Amb4"
+        else if (it == 6) "GUI"
+        else if (it == 7) "\u00E4SFX"
+        else if (it == 8) "\u00F0 \u00E4 \u00F0" // summation
+        else if (it == 9) "\u00D9Open\u00D9" // convolution1
+        else if (it == 10) "\u00D9Cave\u00D9" // convolution2
+        else if (it == 11) "\u00F0 \u00DA \u00F0" // fade
+        else "Trk${it+1}", trackType = if (it >= 7 || it == 3) TrackType.BUS else TrackType.STATIC_SOURCE, maxVolumeFun = {
             when (it) {
                 0 -> { musicVolume }
                 4 -> { ambientVolume }
@@ -91,21 +92,30 @@ class AudioMixer(val bufferSize: Int): Disposable {
         get() = tracks[1]
     val ambientTrack2: TerrarumAudioMixerTrack
         get() = tracks[2]
-    val guiTrack: TerrarumAudioMixerTrack
+    val amb1plus2: TerrarumAudioMixerTrack
         get() = tracks[3]
-
-    val ambSumBus: TerrarumAudioMixerTrack
+    val ambientTrack3: TerrarumAudioMixerTrack
         get() = tracks[4]
-    val sfxSumBus: TerrarumAudioMixerTrack
+    val ambientTrack4: TerrarumAudioMixerTrack
         get() = tracks[5]
-    val sumBus: TerrarumAudioMixerTrack
+
+    val guiTrack: TerrarumAudioMixerTrack
         get() = tracks[6]
-    val convolveBusOpen: TerrarumAudioMixerTrack
+
+    val sfxSumBus: TerrarumAudioMixerTrack
         get() = tracks[7]
-    val convolveBusCave: TerrarumAudioMixerTrack
+    val sumBus: TerrarumAudioMixerTrack
         get() = tracks[8]
-    val fadeBus: TerrarumAudioMixerTrack
+    val convolveBusOpen: TerrarumAudioMixerTrack
         get() = tracks[9]
+    val convolveBusCave: TerrarumAudioMixerTrack
+        get() = tracks[10]
+    val fadeBus: TerrarumAudioMixerTrack
+        get() = tracks[11]
+
+    val ambientTracks = arrayOf(
+        ambientTrack1, ambientTrack2
+    )
 
     var processing = false
 
@@ -215,20 +225,19 @@ class AudioMixer(val bufferSize: Int): Disposable {
 
         musicTrack.filters[1] = Vecto()
         musicTrack.filters[2] = Spectro()
-        ambientTrack1.filters[1] = Vecto(decibelsToFullscale(24.0).toFloat())
-        ambientTrack1.filters[2] = Spectro()
-        ambientTrack2.filters[1] = Vecto(decibelsToFullscale(24.0).toFloat())
-        ambientTrack2.filters[2] = Spectro()
+        ambientTracks.forEach {
+            it.filters[1] = Vecto(decibelsToFullscale(24.0).toFloat())
+            it.filters[2] = Spectro()
+            amb1plus2.addSidechainInput(it, 1.0)
+        }
         sfxSumBus.filters[1] = Vecto(0.7071f)
         sfxSumBus.filters[2] = Spectro()
 
-        ambSumBus.addSidechainInput(ambientTrack1, 1.0)
-        ambSumBus.addSidechainInput(ambientTrack2, 1.0)
-        ambSumBus.filters[1] = Gain(1f) // controlled by the "openness" controller
-
         listOf(sumBus, convolveBusOpen, convolveBusCave).forEach {
             it.addSidechainInput(musicTrack, 1.0)
-            it.addSidechainInput(ambSumBus, 1.0)
+            it.addSidechainInput(amb1plus2, 1.0)
+            it.addSidechainInput(ambientTrack3, 1.0)
+            it.addSidechainInput(ambientTrack4, 1.0)
             it.addSidechainInput(sfxSumBus, 1.0)
         }
 
@@ -282,7 +291,7 @@ class AudioMixer(val bufferSize: Int): Disposable {
     )
 
     private val fadeReqs = HashMap<TerrarumAudioMixerTrack, FadeRequest>().also { map ->
-        listOf(musicTrack, ambientTrack1, ambientTrack2, guiTrack, ambSumBus, fadeBus).forEach {
+        listOf(musicTrack, ambientTrack1, ambientTrack2, guiTrack, amb1plus2, fadeBus).forEach {
             map[it] = FadeRequest()
         }
     }
@@ -349,8 +358,9 @@ class AudioMixer(val bufferSize: Int): Disposable {
         (Gdx.audio as? Lwjgl3Audio)?.update()
         masterTrack.volume = masterVolume
         musicTrack.getFilter<Gain>().gain = musicVolume.toFloat() * 0.5f
-        ambientTrack1.getFilter<Gain>().gain = ambientVolume.toFloat() * 2
-        ambientTrack2.getFilter<Gain>().gain = ambientVolume.toFloat() * 2
+        ambientTracks.forEach {
+            it.getFilter<Gain>().gain = ambientVolume.toFloat()
+        }
         sfxSumBus.volume = sfxVolume
         guiTrack.volume = guiVolume
 
@@ -371,15 +381,12 @@ class AudioMixer(val bufferSize: Int): Disposable {
                         musicTrack.stop()
                         musicTrack.currentTrack = null
                     }
-                    if (req.fadeTarget == 0.0 && (track == ambientTrack1 || track == fadeBus)) {
-                        ambientTrack1.stop()
-                        ambientTrack1.currentTrack = null
-                    }
-                    if (req.fadeTarget == 0.0 && (track == ambientTrack2 || track == fadeBus)) {
-                        ambientTrack2.stop()
-                        ambientTrack2.currentTrack = null
-                    }
-
+                    /*ambientTracks.forEach {
+                        if (req.fadeTarget == 0.0 && (track == it || track == fadeBus)) {
+                            it.stop()
+                            it.currentTrack = null
+                        }
+                    }*/
                     req.callback()
                 }
             }
@@ -427,14 +434,15 @@ class AudioMixer(val bufferSize: Int): Disposable {
             musicTrack.play()
         }
 
-        if (!ambientTrack1.isPlaying && ambientTrack1.nextTrack != null) {
-            ambientTrack1.queueNext(null)
-            if (ambientStopped) {
-                requestFadeIn(ambientTrack1, DEFAULT_FADEOUT_LEN * 4, 1.0, 0.00001)
+        ambientTracks.forEach {
+            if (!it.isPlaying && it.nextTrack != null) {
+                it.queueNext(null)
+                if (ambientStopped) {
+                    requestFadeIn(it, DEFAULT_FADEOUT_LEN * 4, 1.0, 0.00001)
+                }
+                it.play()
+                ambientStopped = false
             }
-            ambientTrack1.volume = 1.0
-            ambientTrack1.play()
-            ambientStopped = false
         }
     }
 
@@ -468,6 +476,22 @@ class AudioMixer(val bufferSize: Int): Disposable {
         // fade will be processed by the update()
     }
 
+    fun startAmb1(song: MusicContainer) {
+        if (ambientTrack1.isPlaying == true) {
+            requestFadeOut(musicTrack, DEFAULT_FADEOUT_LEN)
+        }
+        ambientTrack1.nextTrack = song
+        // fade will be processed by the update()
+    }
+
+    fun startAmb2(song: MusicContainer) {
+        if (ambientTrack2.isPlaying == true) {
+            requestFadeOut(musicTrack, DEFAULT_FADEOUT_LEN)
+        }
+        ambientTrack2.nextTrack = song
+        // fade will be processed by the update()
+    }
+
     fun requestFadeOut(track: TerrarumAudioMixerTrack, length: Double = DEFAULT_FADEOUT_LEN, target: Double = 0.0, source: Double? = null, jobAfterFadeout: () -> Unit = {}) {
         val req = fadeReqs[track]!!
         if (!req.fadeoutFired) {
@@ -481,8 +505,8 @@ class AudioMixer(val bufferSize: Int): Disposable {
     }
 
     fun requestFadeIn(track: TerrarumAudioMixerTrack, length: Double, target: Double = 1.0, source: Double? = null, jobAfterFadeout: () -> Unit = {}) {
-        printdbg(this, "fadein called by")
-        printStackTrace(this)
+//        printdbg(this, "fadein called by")
+//        printStackTrace(this)
 
         val req = fadeReqs[track]!!
         if (!req.fadeinFired) {

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

@@ -74,19 +74,29 @@ class MixerTrackProcessor(bufferSize: Int, val rate: Int, val track: TerrarumAud
                 track.currentTrack?.reset()
                 track.pullNextTrack()
 
-                val tmpBuf = ByteArray(buffer.size - bytesRead)
-                val newRead = track.currentTrack?.gdxMusic?.forceInvoke<Int>("read", arrayOf(tmpBuf)) ?: 0
+                bytesRead += read0(buffer, bytesRead)
+            }
+            // if isLooping=true, do gapless sampleRead but reads from itself
+            else if (track.currentTrack?.gdxMusic?.isLooping == true && bytesRead < buffer.size) {
+                track.currentTrack?.reset()
 
-                track.currentTrack?.let { it.samplesRead += newRead / 4 }
-                System.arraycopy(tmpBuf, 0, buffer, bytesRead, tmpBuf.size)
-
-                bytesRead += newRead
+                bytesRead += read0(buffer, bytesRead)
             }
 
             bytesRead
         }, { purgeStreamBuf() })
     }
 
+    private fun read0(buffer: ByteArray, bytesRead: Int): Int {
+        val tmpBuf = ByteArray(buffer.size - bytesRead)
+        val newRead = track.currentTrack?.gdxMusic?.forceInvoke<Int>("read", arrayOf(tmpBuf)) ?: 0
+
+        track.currentTrack?.let { it.samplesRead += newRead / 4 }
+        System.arraycopy(tmpBuf, 0, buffer, bytesRead, tmpBuf.size)
+
+        return newRead
+    }
+
     override fun run() {
 //        while (running) { // uncomment to multithread
             /*synchronized(pauseLock) { // uncomment to multithread

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

@@ -12,7 +12,6 @@ import net.torvald.terrarum.Terrarum.getPlayerSaveFiledesc
 import net.torvald.terrarum.Terrarum.getWorldSaveFiledesc
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZED
-import net.torvald.terrarum.audio.dsp.Gain
 import net.torvald.terrarum.blockproperties.BlockPropUtil
 import net.torvald.terrarum.blockstats.MinimapComposer
 import net.torvald.terrarum.blockstats.TileSurvey
@@ -914,7 +913,7 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
                 App.audioMixer.convolveBusCave.volume = 0.0
             }
             val openness = (TileSurvey.getRatio("basegame.Ingame.openness") ?: 0.0).times(1.74).coerceIn(0.0, 1.0)
-            (App.audioMixer.ambSumBus.filters[1] as Gain).gain = openness.pow(2.0 / 3.0).toFloat()
+            App.audioMixer.amb1plus2.volume = openness.pow(2.0 / 3.0)
 
 
 

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

@@ -9,14 +9,15 @@ import com.badlogic.gdx.backends.lwjgl3.audio.Wav
 import com.badlogic.gdx.backends.lwjgl3.audio.Wav.WavInputStream
 import com.badlogic.gdx.utils.GdxRuntimeException
 import com.jcraft.jorbis.VorbisFile
+import com.jme3.math.FastMath
 import javazoom.jl.decoder.Bitstream
 import net.torvald.reflection.extortField
 import net.torvald.reflection.forceInvoke
 import net.torvald.terrarum.*
 import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.audio.AudioMixer
-import net.torvald.terrarum.audio.TerrarumAudioMixerTrack
 import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATE
+import net.torvald.terrarum.gameworld.WorldTime.Companion.DAY_LENGTH
 import java.io.File
 import java.io.FileInputStream
 import javax.sound.sampled.AudioSystem
@@ -278,7 +279,7 @@ class TerrarumMusicGovernor : MusicGovernor() {
                     Gdx.audio.newMusic(fileHandle).also {
                         it.isLooping = true
                     }
-                ) { stopAmbient() }
+                ) {  }
             }
             catch (e: GdxRuntimeException) {
                 e.printStackTrace()
@@ -373,15 +374,34 @@ class TerrarumMusicGovernor : MusicGovernor() {
 //            App.audioMixer.ambientTrack.nextTrack = currentAmbientTrack
     }
 
-    private fun startAmbient(song: MusicContainer) {
-        currentAmbientTrack = song
-        App.audioMixer.startAmb(song)
-        printdbg(this, "startAmbient Now playing: $song")
-//        INGAME.sendNotification("Now Playing $EMDASH ${song.name}")
+    private fun startAmbient1(song: MusicContainer) {
+        App.audioMixer.startAmb1(song)
+        printdbg(this, "startAmbient1 Now playing: $song")
+        ambState = STATE_PLAYING
+    }
+    private fun startAmbient2(song: MusicContainer) {
+        App.audioMixer.startAmb2(song)
+        printdbg(this, "startAmbient2 Now playing: $song")
+        ambState = STATE_PLAYING
+    }
+
+    private fun queueAmbientForce1(song: MusicContainer) {
+        App.audioMixer.ambientTrack1.let {
+            it.nextTrack = song
+            it.stop()
+        }
+        printdbg(this, "startAmbient1 Now playing: $song")
+        ambState = STATE_PLAYING
+    }
+    private fun queueAmbientForce2(song: MusicContainer) {
+        App.audioMixer.ambientTrack2.let {
+            it.nextTrack = song
+            it.stop()
+        }
+        printdbg(this, "startAmbient2 Now playing: $song")
         ambState = STATE_PLAYING
     }
 
-    private lateinit var currentAmbientTrack: MusicContainer
 
     override fun update(ingame: IngameInstance, delta: Float) {
         // start the song queueing if there is one to play
@@ -409,36 +429,112 @@ class TerrarumMusicGovernor : MusicGovernor() {
             }
         }
 
+        val season = ingame.world.worldTime.ecologicalSeason
+        val isAM = (ingame.world.worldTime.todaySeconds < DAY_LENGTH / 2) // 0 until DAY_LENGTH (86400)
+        val solarElevDeg = ingame.world.worldTime.solarElevationDeg
+        val isSunUp = (solarElevDeg >= 0)
+        val seasonName = when (season) {
+            in 0f..2f -> "autumn"
+            in 2f..3f -> "summer"
+            in 3f..5f -> "autumn"
+            else -> "winter"
+        }
+
         when (ambState) {
             STATE_FIREPLAY -> {
                 if (!ambFired) {
                     ambFired = true
 
-                    val season = ingame.world.worldTime.ecologicalSeason
-                    val time = ingame.world.worldTime.todaySeconds // 0 until DAY_LENGTH (86400)
-                    val seasonName = when (season) {
-                        in 0f..2f -> "autumn"
-                        in 2f..3f -> "summer"
-                        in 3f..5f -> "autumn"
-                        else -> "winter"
-                    }
-                    val timeMode = "diurnal"
+                    // ambient track 1: diurnal/nocturnal
+                    // ambient track 2: crepuscular/matutinal
+                    val track1 = if (isSunUp)
+                        ambients["ambient.season.diurnal_$seasonName"]!!.random() // mad respect to Klankbeeld
+                    else
+                        ambients["ambient.season.nocturnal"]!!.random() // as it turns out ambient recordings of a wild place AT NIGHT is quite rare
 
-                    val track = ambients["ambient.season.${timeMode}_$seasonName"]!!.random()
-                    startAmbient(track)
+                    val track2 = if (isAM)
+                        ambients["ambient.season.matutinal"]!!.random()
+                    else
+                        ambients["ambient.season.crepuscular"]!!.random()
+
+                    startAmbient1(track1)
+                    startAmbient2(track2)
                 }
             }
             STATE_PLAYING -> {
-                // stopMusic() will be called when the music finishes; it's on the setOnCompletionListener
+                // mix ambient tracks
+
+                // queue up nocturnal
+                if (!isSunUp && oldWorldSolarElev >= 0)
+                    queueAmbientForce1(ambients["ambient.season.nocturnal"]!!.random()) // as it turns out ambient recordings of a wild place AT NIGHT is quite rare
+                // queue up diurnal
+                else if (isSunUp && oldWorldSolarElev < 0)
+                    queueAmbientForce1(ambients["ambient.season.diurnal_$seasonName"]!!.random()) // mad respect to Klankbeeld
+
+                // queue up crepuscular
+                if (!isAM && oldWorldTime < DAY_LENGTH / 2)
+                    queueAmbientForce2(ambients["ambient.season.crepuscular"]!!.random())
+                else if (isAM && oldWorldTime >= DAY_LENGTH / 2)
+                    queueAmbientForce2(ambients["ambient.season.matutinal"]!!.random())
+
+                // play around the fader
+                val track2vol = if (isAM)
+                    when (solarElevDeg) {
+                        in TRACK2_DAWN_ELEV_UP_MIN..TRACK2_DAWN_ELEV_UP_MAX ->
+                            FastMath.interpolateLinear(
+                                (solarElevDeg - TRACK2_DAWN_ELEV_UP_MIN) / (TRACK2_DAWN_ELEV_UP_MAX - TRACK2_DAWN_ELEV_UP_MIN),
+                                1.0, 0.0
+                            )
+                        in TRACK2_DAWN_ELEV_DN_MAX..TRACK2_DAWN_ELEV_DN_MIN ->
+                            FastMath.interpolateLinear(
+                                (solarElevDeg - TRACK2_DAWN_ELEV_DN_MIN) / (TRACK2_DAWN_ELEV_DN_MAX - TRACK2_DAWN_ELEV_DN_MIN),
+                                1.0, 0.0
+                            )
+                        in TRACK2_DAWN_ELEV_DN_MIN..TRACK2_DAWN_ELEV_UP_MIN -> 1.0
+                        else -> 0.0
+                    }
+                else 
+                    when (solarElevDeg) {
+                        in TRACK2_DUSK_ELEV_UP_MIN..TRACK2_DUSK_ELEV_UP_MAX ->
+                            FastMath.interpolateLinear(
+                                (solarElevDeg - TRACK2_DUSK_ELEV_UP_MIN) / (TRACK2_DUSK_ELEV_UP_MAX - TRACK2_DUSK_ELEV_UP_MIN),
+                                1.0, 0.0
+                            )
+                        in TRACK2_DUSK_ELEV_DN_MAX..TRACK2_DUSK_ELEV_DN_MIN ->
+                            FastMath.interpolateLinear(
+                                (solarElevDeg - TRACK2_DUSK_ELEV_DN_MIN) / (TRACK2_DUSK_ELEV_DN_MAX - TRACK2_DUSK_ELEV_DN_MIN),
+                                1.0, 0.0
+                            )
+                        in TRACK2_DUSK_ELEV_DN_MIN..TRACK2_DUSK_ELEV_UP_MIN -> 1.0
+                        else -> 0.0
+                    }
+                val track1vol = 1.0 - track2vol
+
+                App.audioMixer.ambientTrack1.volume = track1vol
+                App.audioMixer.ambientTrack2.volume = track2vol
             }
             STATE_INTERMISSION -> {
                 ambState = STATE_FIREPLAY
             }
         }
 
-
+        oldWorldSolarElev = solarElevDeg
+        oldWorldTime = ingame.world.worldTime.todaySeconds
     }
 
+    private var oldWorldSolarElev = Terrarum.ingame?.world?.worldTime?.solarElevationDeg ?: 0.0
+    private var oldWorldTime = Terrarum.ingame?.world?.worldTime?.todaySeconds ?: 0
+
+    private val TRACK2_DUSK_ELEV_UP_MAX = 15.0
+    private val TRACK2_DUSK_ELEV_UP_MIN = 0.1
+    private val TRACK2_DUSK_ELEV_DN_MIN = -0.1
+    private val TRACK2_DUSK_ELEV_DN_MAX = -15.0
+
+    private val TRACK2_DAWN_ELEV_UP_MAX = 20.0
+    private val TRACK2_DAWN_ELEV_UP_MIN = 5.0
+    private val TRACK2_DAWN_ELEV_DN_MIN = 5.0
+    private val TRACK2_DAWN_ELEV_DN_MAX = -10.0
+
     override fun dispose() {
         App.audioMixer.requestFadeOut(App.audioMixer.fadeBus, AudioMixer.DEFAULT_FADEOUT_LEN) // explicit call for fade-out when the game instance quits
         stopMusic(App.audioMixer.musicTrack.currentTrack)

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

@@ -266,7 +266,7 @@ class TitleScreen(batch: FlippingSpriteBatch) : IngameInstance(batch) {
         App.bogoflops = maxOf(App.bogoflops, bogoflops)
 
 
-        listOf(App.audioMixer.ambientTrack1, App.audioMixer.ambientTrack2).forEach {
+        App.audioMixer.ambientTracks.forEach {
             it.stop()
             it.currentTrack = null
             it.nextTrack = null