Duck

Author: Jazza-231

addons/addons.json

@@ -188,5 +188,6 @@
   "remove-curved-stage-border",
   "columns",
   "editor-compact",
-  "editor-theme3"
+  "editor-theme3",
+  "duck"
 ]

addons/duck/addon.json

@@ -0,0 +1,15 @@
+{
+  "name": "Duck project sounds",
+  "description": "Mutes or lowers the volume of project when audio is being played elsewhere.",
+  "tags": ["editor", "codeEditor", "beta"],
+  "versionAdded": "1.43.0",
+  "userscripts": [
+    {
+      "url": "userscript.js",
+      "matches": ["projects"]
+    }
+  ],
+  "credits": [{ "name": "Jazza", "link": "http://github.com/Jazza-231" }],
+  "relatedAddons": ["vol-slider", "mute-project"],
+  "settings": [{ "name": "Duck volume", "id": "volume", "type": "integer", "min": 0, "max": 100, "default": 10 }]
+}

addons/duck/userscript.js

@@ -0,0 +1,50 @@
+import { setup, setVolume, getVolume } from "../vol-slider/module.js";
+
+export default async ({ addon }) => {
+  while (true) {
+    const soundEditorContainer = await addon.tab.waitForElement('[class*="sound-editor_editor-container_"]', {
+      markAsSeen: true,
+    });
+
+    const vm = addon.tab.traps.vm;
+
+    console.log(vm);
+
+    setup(vm);
+
+    let currentVolume = getVolume();
+    let ducking = false;
+
+    let fiber = soundEditorContainer[addon.tab.traps.getInternalKey(soundEditorContainer)];
+    while (fiber && !(fiber.stateNode && (fiber.stateNode.handlePlay || fiber.stateNode.handleEffect))) {
+      fiber = fiber.return;
+    }
+    if (!fiber || !fiber.stateNode) continue;
+
+    const instance = fiber.stateNode;
+
+    console.log(instance);
+
+    const oldHandlePlay = instance.handlePlay;
+    instance.handlePlay = function () {
+      const result = oldHandlePlay.apply(this);
+
+      if (!ducking) currentVolume = getVolume();
+      setVolume(addon.settings.get("volume") / 100);
+
+      ducking = true;
+
+      return result;
+    };
+
+    const oldHandleStoppedPlaying = instance.handleStoppedPlaying;
+    instance.handleStoppedPlaying = function () {
+      const result = oldHandleStoppedPlaying.apply(this);
+
+      setVolume(currentVolume);
+      ducking = false;
+
+      return result;
+    };
+  }
+};