accept a number as input for a sound - interpret as index

HISTORY.md

@@ -50,6 +50,7 @@
     * using "inherit" no longer un-hides the palette in presentation mode
     * relabelling custom blocks with empty numerical input slots no longer fills in zeroes
     * the language menu now has a "globe" icon (so it can be found in any language)
+    * accept a number as input for a sound - interpret as index
 * Translation Updates:
     * Chinese, thanks, Simon!
     * Turkish, thanks, Turgut!
@@ -63,6 +64,7 @@
 * Blocks, Objects, Threads: new "getSoundAttribute" reporter primitive
 * Blocks, Objects, Threads: new "play sound at sample rate" command primitive
 * Objects: added relabelling information for the new "play sound at sample rate" block
+* Objects, Threads: accept a number as input for a sound - interpret as index
 
 ### 2019-04-05
 * Objects: eliminated "clicks" when playing music notes

src/objects.js

@@ -3323,10 +3323,12 @@ SpriteMorph.prototype.addSound = function (audio, name) {
 
 SpriteMorph.prototype.playSound = function (name) {
     var stage = this.parentThatIsA(StageMorph),
-        sound = name instanceof Sound ? name : detect(
-            this.sounds.asArray(),
-            function (s) {return s.name === name.toString(); }
-        ),
+        sound = name instanceof Sound ? name
+            : (typeof name === 'number' ? this.sounds.at(name)
+                : detect(
+                    this.sounds.asArray(),
+                    function (s) {return s.name === name.toString(); }
+            )),
         ctx = this.audioContext(),
         gain =  this.getGainNode(),
         pan = this.getPannerNode(),

src/threads.js

@@ -2254,9 +2254,12 @@ Process.prototype.doPlaySoundAtRate = function (name, rate) {
         i, source, rcvr;
 
     if (!(name instanceof List)) {
-        sound = name instanceof Sound ? name : detect(
-            this.blockReceiver().sounds.asArray(),
-            function (s) {return s.name === name.toString(); }
+        sound = name instanceof Sound ? name
+            : (typeof name === 'number' ? this.blockReceiver().sounds.at(name)
+                : detect(
+                    this.blockReceiver().sounds.asArray(),
+                    function (s) {return s.name === name.toString(); }
+            )
         );
         if (!sound.audioBuffer) {
             this.decodeSound(sound);
@@ -2315,9 +2318,13 @@ Process.prototype.doPlaySoundAtRate = function (name, rate) {
 };
 
 Process.prototype.reportGetSoundAttribute = function (choice, soundName) {
-    var sound = soundName instanceof Sound ? soundName : detect(
-            this.blockReceiver().sounds.asArray(),
-            function (s) {return s.name === soundName.toString(); }
+    var sound = soundName instanceof Sound ? soundName
+            : (typeof soundName === 'number' ?
+                this.blockReceiver().sounds.at(soundName)
+                : detect(
+                    this.blockReceiver().sounds.asArray(),
+                    function (s) {return s.name === soundName.toString(); }
+            )
         ),
         option = this.inputOption(choice);