////  recordingEntityScript.js//  examples/entityScripts////  Created by Alessandro Signa on 11/12/15.//  Copyright 2015 High Fidelity, Inc.// //  All the avatars in the area when the master presses the button will start/stop recording.//   //  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html (function () {     var _this;    var isAvatarRecording = false;    var MASTER_TO_CLIENTS_CHANNEL = "startStopChannel";    var CLIENTS_TO_MASTER_CHANNEL = "resultsChannel";    var START_MESSAGE = "recordingStarted";    var STOP_MESSAGE = "recordingEnded";    var PARTICIPATING_MESSAGE = "participatingToRecording";    var RECORDING_ICON_URL = "http://cdn.highfidelity.com/alan/production/icons/ICO_rec-active.svg";    var NOT_RECORDING_ICON_URL = "http://cdn.highfidelity.com/alan/production/icons/ICO_rec-inactive.svg";    var ICON_WIDTH = 60;    var ICON_HEIGHT = 60;    var overlay = null;      function recordingEntity() {        _this = this;        return;    };     function receivingMessage(channel, message, senderID) {        if (channel === MASTER_TO_CLIENTS_CHANNEL) {            print("CLIENT received message:" + message);            if (message === START_MESSAGE) {                _this.startRecording();            } else if (message === STOP_MESSAGE) {                _this.stopRecording();            }        }    };     function getClipUrl(url) {        Messages.sendMessage(CLIENTS_TO_MASTER_CHANNEL, url);    //send back the url to the master        print("clip uploaded and url sent to master");    };     recordingEntity.prototype = {         preload: function (entityID) {            print("RECORDING ENTITY PRELOAD");            this.entityID = entityID;             var entityProperties = Entities.getEntityProperties(_this.entityID);            if (!entityProperties.collisionless) {                Entities.editEntity(_this.entityID, { collisionless: true });            }             Messages.messageReceived.connect(receivingMessage);        },         enterEntity: function (entityID) {            print("entering in the recording area");            Messages.subscribe(MASTER_TO_CLIENTS_CHANNEL);            overlay = Overlays.addOverlay("image", {                imageURL: NOT_RECORDING_ICON_URL,                width: ICON_HEIGHT,                height: ICON_WIDTH,                x: 275,                y: 0,                visible: true            });        },         leaveEntity: function (entityID) {            print("leaving the recording area");            _this.stopRecording();            Messages.unsubscribe(MASTER_TO_CLIENTS_CHANNEL);            Overlays.deleteOverlay(overlay);            overlay = null;        },         startRecording: function () {            if (!isAvatarRecording) {                print("RECORDING STARTED");                Messages.sendMessage(CLIENTS_TO_MASTER_CHANNEL, PARTICIPATING_MESSAGE);  //tell to master that I'm participating                Recording.startRecording();                isAvatarRecording = true;                Overlays.editOverlay(overlay, {imageURL: RECORDING_ICON_URL});            }        },         stopRecording: function () {            if (isAvatarRecording) {                print("RECORDING ENDED");                Recording.stopRecording();                isAvatarRecording = false;                Recording.saveRecordingToAsset(getClipUrl);     //save the clip to the asset and link a callback to get its url                Overlays.editOverlay(overlay, {imageURL: NOT_RECORDING_ICON_URL});            }        },         unload: function (entityID) {            print("RECORDING ENTITY UNLOAD");            _this.stopRecording();            Messages.unsubscribe(MASTER_TO_CLIENTS_CHANNEL);            Messages.messageReceived.disconnect(receivingMessage);            if (overlay !== null) {                Overlays.deleteOverlay(overlay);                overlay = null;            }        }    }     return new recordingEntity();});