test play music from appdata/Custom/Music

src/net/torvald/terrarum/MusicGovernor.kt

@@ -0,0 +1,38 @@
+package net.torvald.terrarum
+
+open class MusicGovernor {
+
+    open fun update(ingameInstance: IngameInstance, delta: Float) {
+
+    }
+
+    protected var state = 0 // 0: disabled, 1: playing, 2: waiting
+    protected var intermissionAkku = 0f
+    protected var intermissionLength = 1f
+    protected var musicFired = false
+
+    protected var fadeoutAkku = 0f
+    protected var fadeoutLength = 0f
+    protected var fadeoutFired = false
+    protected var fadeinFired = false
+
+    fun requestFadeOut(length: Float) {
+        if (!fadeoutFired) {
+            fadeoutLength = length
+            fadeoutAkku = 0f
+            fadeoutFired = true
+        }
+    }
+
+    fun requestFadeIn(length: Float) {
+        if (!fadeoutFired) {
+            fadeoutLength = length
+            fadeoutAkku = 0f
+            fadeinFired = true
+        }
+    }
+    open fun dispose() {
+
+    }
+
+}