////  Agent.h//  assignment-client/src////  Created by Stephen Birarda on 7/1/13.//  Copyright 2013 High Fidelity, Inc.//  Copyright 2023 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  SPDX-License-Identifier: Apache-2.0// #ifndef hifi_Agent_h#define hifi_Agent_h #include <memory>#include <vector> #include <QtCore/QObject>#include <QtCore/QSharedPointer>#include <QtCore/QUrl>#include <QtCore/QTimer>#include <QUuid>#include <QtCore/QSharedPointer> #include <EntityEditPacketSender.h>#include <EntityTree.h>#include <ScriptEngine.h>#include <ThreadedAssignment.h> #include <plugins/CodecPlugin.h> #include <Sound.h>#include "AudioGate.h"#include "MixedAudioStream.h"#include "entities/EntityTreeHeadlessViewer.h"#include "avatars/ScriptableAvatar.h" class ScriptEngine;class ScriptManager;using ScriptEnginePointer = std::shared_ptr<ScriptEngine>;using ScriptManagerPointer = std::shared_ptr<ScriptManager>; class Agent : public ThreadedAssignment {    Q_OBJECT     Q_PROPERTY(bool isAvatar READ isAvatar WRITE setIsAvatar)    Q_PROPERTY(bool isPlayingAvatarSound READ isPlayingAvatarSound)    Q_PROPERTY(bool isListeningToAudioStream READ isListeningToAudioStream WRITE setIsListeningToAudioStream)    Q_PROPERTY(bool isNoiseGateEnabled READ isNoiseGateEnabled WRITE setIsNoiseGateEnabled)    Q_PROPERTY(float lastReceivedAudioLoudness READ getLastReceivedAudioLoudness)    Q_PROPERTY(QUuid sessionUUID READ getSessionUUID) public:    Agent(ReceivedMessage& message);     bool isPlayingAvatarSound() const { return _avatarSound != NULL; }     bool isListeningToAudioStream() const { return _isListeningToAudioStream; }    void setIsListeningToAudioStream(bool isListeningToAudioStream);     bool isNoiseGateEnabled() const { return _isNoiseGateEnabled; }    void setIsNoiseGateEnabled(bool isNoiseGateEnabled);     float getLastReceivedAudioLoudness() const { return _lastReceivedAudioLoudness; }    QUuid getSessionUUID() const;     virtual void aboutToFinish() override; public slots:    void run() override;     void playAvatarSound(SharedSoundPointer avatarSound);     void setIsAvatar(bool isAvatar);    bool isAvatar() const { return _isAvatar; }     Q_INVOKABLE virtual void stop() override; private slots:    void requestScript();    void scriptRequestFinished();    void executeScript();     void handleAudioPacket(QSharedPointer<ReceivedMessage> message);    void handleOctreePacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer senderNode);    void handleSelectedAudioFormat(QSharedPointer<ReceivedMessage> message);     void nodeActivated(SharedNodePointer activatedNode);    void nodeKilled(SharedNodePointer killedNode);     void processAgentAvatarAudio(); private:    void negotiateAudioFormat();    void selectAudioFormat(const QString& selectedCodecName);    void encodeFrameOfZeros(QByteArray& encodedZeros);    void computeLoudness(const QByteArray* decodedBuffer, QSharedPointer<ScriptableAvatar>);     ScriptManagerPointer _scriptManager;    EntityEditPacketSender _entityEditSender;    EntityTreeHeadlessViewer _entityViewer;     MixedAudioStream _receivedAudioStream;    float _lastReceivedAudioLoudness;     void setAvatarSound(SharedSoundPointer avatarSound) { _avatarSound = avatarSound; }     void queryAvatars();     QString _scriptContents;    QTimer* _scriptRequestTimeout { nullptr };    ResourceRequest* _pendingScriptRequest { nullptr };    bool _isListeningToAudioStream = false;    SharedSoundPointer _avatarSound;    bool _shouldMuteRecordingAudio { false };    int _numAvatarSoundSentBytes = 0;    bool _isAvatar = false;    QTimer* _avatarQueryTimer = nullptr;    QHash<QUuid, quint16> _outgoingScriptAudioSequenceNumbers;     AudioGate _audioGate;    bool _audioGateOpen { true };    bool _isNoiseGateEnabled { false };     CodecPluginPointer _codec;    QString _selectedCodecName;    Encoder* _encoder { nullptr };    QTimer _avatarAudioTimer;    bool _flushEncoder { false };}; #endif // hifi_Agent_h