Add impulse response stuff

src/engine/builders/room.js

@@ -9,7 +9,7 @@ export default class RoomBuilder {
         this.room.id = ID;
         return this;
     }
-    
+
     withTitle(title) {
         this.room.title = title;
         return this;
@@ -60,6 +60,21 @@ export default class RoomBuilder {
         return this;
     }
 
+    withMusic(file) {
+        this.room.music = file;
+        return this;
+    }
+
+    withAmbience(file) {
+        this.room.ambience = file;
+        return this;
+    }
+
+    withImpulse(file) {
+        this.room.impulse = file;
+        return this;
+    }
+    
     create() {
         return this.room;
     }

src/engine/output.js

@@ -23,4 +23,16 @@ export default class Output {
     play(file) {
         this.sound.play(file);
     }
+
+    setAmbience(file) {
+        return this.sound.setAmbience(file);
+    }
+
+    setMusic(file) {
+        return this.sound.setMusic(file);
+    }
+
+    setImpulse(file) {
+        this.sound.setImpulse(file);
+    }
 }

src/engine/room.js

@@ -12,9 +12,15 @@ export default class Room {
         this.canExitLogic = null;
         this.tickCallback = null;
         this.context = null;
+        this.music = null;
+        this.ambience = null;
+        this.impulse = null;
     }
 
     async onEnter() {
+        this.context.output.setMusic(this.music);
+        this.context.output.setAmbience(this.ambience);
+        this.context.output.setImpulse(this.impulse);
         if (this.enterCallback) return this.enterCallback(this.context);
     }
 

src/engine/sound.js

@@ -4,7 +4,6 @@ import Resonator from '../framework/resonator';
 export default class Sound {
     constructor() {
         this.res = new Resonator();
-        this.res.setEnvironmentImpulse(`assets/Greek7EchoHall.wav`);
         this.ambience = null;
         this.music = null;
         this.previousAmbience = null;
@@ -15,4 +14,34 @@ export default class Sound {
         const sound = this.res.loadImmediate(file);
         sound.play();
     }
+
+    async setAmbience(file) {
+        if (this.ambience) {
+            this.previousAmbience = this.ambience;
+            this.ambience = null;
+            setTimeout(() => this.previousAmbience.fadeOut(6), 1500);
+            // setTimeout(() => this.previousAmbience.destroy(), 6000);
+        }
+        if (!file) return;
+        this.ambience = this.res.stream(file, 0);
+        this.ambience.play();
+        this.ambience.loop(true);
+        this.ambience.fadeIn(3);
+    }
+
+    setMusic(file) {
+        if (this.music) {
+            this.previousMusic = this.music;
+            setTimeout(() => this.previousMusic.fadeOut(2), 500);
+            setTimeout(() => this.previousMusic.destroy(), 2000);
+        }
+        if (!file) return;
+        this.music = this.res.stream(file, 1);
+        this.music.play();
+        this.music.fadeIn(2);
+    }
+
+    setImpulse(file) {
+        this.res.setEnvironmentImpulse(file);
+    }
 }

src/framework/resonator/effects/convolver.js

@@ -15,5 +15,6 @@ export default class Convolver extends BaseEffect {
         this.channelSplitter.connect(this.channelMerger, 1, 1);
         node.connect(this.channelSplitter);
         this.channelMerger.connect(this.effectNode);
+        this.inputNode = node;
     }
 }

src/framework/resonator/sources/audio-source.js

@@ -14,6 +14,7 @@ export default class AudioSource {
         this.graph = graph;
         this.type = type;
         this.playbackRate = 1;
+        this.volume = 1;
         this.init();
     }
     init() {
@@ -133,6 +134,7 @@ export default class AudioSource {
         if (!this.node) {
             return;
         }
+        this.gain.gain.setValueAtTime(this.getVolume(), this.context.getContext().currentTime);
         this.gain.gain.exponentialRampToValueAtTime(0.0001, this.context.getContext().currentTime + time);
         setTimeout(() => this.stop(), time * 1000);
     }

src/framework/resonator/sources/streaming-source.js

@@ -91,6 +91,7 @@ export class StreamingSource {
         if (!this.node) {
             return;
         }
+        this.gain.gain.setValueAtTime(this.getVolume(), this.context.getContext().currentTime);
         this.gain.gain.exponentialRampToValueAtTime(0.0001, this.context.getContext().currentTime + time);
         setTimeout(() => this.stop(), time * 1000);
     }

src/game/rooms/start.js

@@ -27,4 +27,7 @@ Just... make it stop. Please.`
 .withItem("stone")
 .withItem("cup")
 .withItem("torch")
+.withAmbience("assets/cave1.wav")
+.withMusic("assets/music1.wav")
+.withImpulse("assets/Greek7EchoHall.wav")
 .create();

src/game/rooms/tunnel1.js

@@ -6,4 +6,7 @@ export default new RoomBuilder()
 .withFirstDescription("You first step foot in this dark loomy tunnel.")
 .withDescription("The walls are wet. Everything is wet. Ugh. Why do you even.")
 .withExit("south", "start")
+.withAmbience("assets/windy1.wav")
+.withMusic("assets/music2.wav")
+.withImpulse("assets/parkingGarage.wav")
 .create();