reloading the engine will copy track states from the old instance, obsoleting audioMixerRenewHooks

src/net/torvald/terrarum/audio/dsp/Reverb.kt

@@ -53,4 +53,7 @@ class Reverb(val delayMS: Float = 36f, var feedback: Float = 0.92f, var lowpass:
     }
 
     override val debugViewHeight = 0
+
+    override fun copyParamsFrom(other: TerrarumAudioFilter) {
+    }
 }