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Addressed PR feedback - now dynamically reads userdata

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This commit is contained in:
Philip Rosedale 2016-12-20 12:02:13 -08:00
parent 70942925bc
commit e2dfbf1b02
1 changed files with 49 additions and 29 deletions
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78
scripts/tutorials/entity_scripts/ambientSound.js
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@ -3,13 +3,12 @@
// This entity script will allow you to create an ambient sound that loops when a person is within a given
// range of this entity. Great way to add one or more ambisonic soundfields to your environment.
//
// In the userData section for the entity, add two values:
// In the userData section for the entity, add/edit three values:
// userData.SoundURL should be a string giving the URL to the sound file. Defaults to 100 meters if not set.
// userData.range should be an integer for the max distance away from the entity where the sound will be audible.
// userData.volume is the max volume at which the clip should play.
// userData.volume is the max volume at which the clip should play. Defaults to 1.0 full volume)
//
// Note: When you update the above values, you need to reload the entity script for it to see the changes. Also,
// remember that the entity has to be visible to the user for the sound to play at all, so make sure the entity is
// Remember that the entity has to be visible to the user for the sound to play at all, so make sure the entity is
// large enough to be loaded at the range you set, particularly for large ranges.
//
// Copyright 2016 High Fidelity, Inc.
@ -24,7 +23,7 @@
var DEFAULT_URL = "http://hifi-content.s3.amazonaws.com/ken/samples/forest_ambiX.wav";
var DEFAULT_VOLUME = 1.0;
var soundURL = DEFAULT_URL;
var soundURL = "";
var range = DEFAULT_RANGE;
var maxVolume = DEFAULT_VOLUME;
var UPDATE_INTERVAL_MSECS = 100;
@ -33,40 +32,61 @@
var ambientSound;
var center;
var soundPlaying = false;
var updateTimer = false;
var WANT_DEBUG = false;
var checkTimer = false;
var _this;
var WANT_DEBUG = true;
function debugPrint(string) {
if (WANT_DEBUG) {
print(string);
}
}
this.updateSettings = function() {
// Check user data on the entity for any changes
var oldSoundURL = soundURL;
var props = Entities.getEntityProperties(entity, [ "userData" ]);
if (props.userData) {
var data = JSON.parse(props.userData);
if (data.soundURL && !(soundURL === data.soundURL)) {
soundURL = data.soundURL;
debugPrint("Read ambient sound URL: " + soundURL);
} else if (!data.soundURL) {
soundURL = DEFAULT_URL;
}
if (data.range && !(range === data.range)) {
range = data.range;
debugPrint("Read ambient sound range: " + range);
}
if (data.volume && !(maxVolume === data.volume)) {
maxVolume = data.volume;
debugPrint("Read ambient sound volume: " + maxVolume);
}
}
if (!(soundURL === oldSoundURL) || (soundURL === "")) {
debugPrint("Loading ambient sound into cache");
ambientSound = SoundCache.getSound(soundURL);
if (soundPlaying && soundPlaying.playing) {
soundPlaying.stop();
soundPlaying = false;
Entities.editEntity(entity, { color: { red: 128, green: 128, blue: 128 }});
debugPrint("Restarting ambient sound");
}
}
}
this.preload = function(entityID) {
// Load the sound and range from the entity userData fields, and note the position of the entity.
debugPrint("Ambient sound preload");
entity = entityID;
var props = Entities.getEntityProperties(entityID, [ "userData" ]);
var data = JSON.parse(props.userData);
if (data.soundURL) {
soundURL = data.soundURL;
debugPrint("Read ambient sound URL: " + soundURL);
}
ambientSound = SoundCache.getSound(soundURL);
if (data.range) {
range = data.range;
debugPrint("Read ambient sound range: " + range);
}
if (data.volume) {
maxVolume = data.volume;
debugPrint("Read ambient sound volume: " + maxVolume);
}
updateTimer = Script.setInterval(this.update, UPDATE_INTERVAL_MSECS);
_this = this;
checkTimer = Script.setInterval(this.maybeUpdate, UPDATE_INTERVAL_MSECS);
};
this.update = function() {
this.maybeUpdate = function() {
// Every UPDATE_INTERVAL_MSECS, update the volume of the ambient sound based on distance from my avatar
_this.updateSettings();
var props = Entities.getEntityProperties(entity);
var HYSTERESIS_FRACTION = 0.1;
var props = Entities.getEntityProperties(entity, [ "position" ]);
center = props.position;
@ -74,7 +94,7 @@
if (distance <= range) {
var volume = (1.0 - distance / range) * maxVolume;
if (!soundPlaying && ambientSound.downloaded) {
soundPlaying = Audio.playSound(ambientSound, { loop: true, volume: volume });
soundPlaying = Audio.playSound(ambientSound, { loop: true, localOnly: true, volume: volume });
debugPrint("Starting ambient sound, volume: " + volume);
Entities.editEntity(entity, { color: { red: 255, green: 0, blue: 0 }});
} else if (soundPlaying && soundPlaying.playing) {
@ -90,12 +110,12 @@
this.unload = function(entityID) {
debugPrint("Ambient sound unload");
if (updateTimer) {
Script.clearInterval(updateTimer);
if (checkTimer) {
Script.clearInterval(checkTimer);
}
if (soundPlaying && soundPlaying.playing) {
soundPlaying.stop();
}
};
})
})