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AvatarImageEnum,
AvatarFaceEnum,
} from './pixiUtils/metaData/ImageMetaData';
import RTCSignalingHelper, {IceDto, OfferAnswerDto} from './RTCSignalingHelper';
import {Formant} from './pixiUtils/metaData/ImageMetaData';
/**
* DataDto 의 type enum
*/
export enum DataDtoType {
PLAYER_INFO,
CHAT_MESSAGE,
SHARED_SCREEN_CLOSE,
SHARED_SCREEN_CLEAR,
SHARED_SCREEN_DRAWING,
SHARED_SCREEN_DRAW_START,
}
/**
* peerConnection 의 dataChannel 을 통해서 Data 를 전송할때 규약
*/
export interface DataDto {
type: DataDtoType;
// eslint-disable-next-line
data: any;
}
/**
* position 등 x, y 두 변수를 가지고 있을 때 주로 사용
*/
export interface Vec2 {
x: number;
y: number;
}
/**
* AudioAnalyser 인스턴스의 getAvatarFaceDtoByAudioAnalysis() 메소드의 output
* avatarFace 중 어떤 형태의 face 를 적용할지와 얼만큼의 scale 로 적용할지에 대한 정보를 담음.
*/
export interface AvatarFaceDto {
avatarFace: AvatarFaceEnum;
avatarFaceScale: number;
}
/**
* player 를 대표하는 아바타정보
* p2p dataChannel 을 통해 지속적으로 전송되는 정보.
*/
export interface PlayerDto extends AvatarFaceDto {
nickname: string;
textMessage: string;
avatar: AvatarImageEnum;
centerPos: Vec2;
partRotatedegree: number[];
rotateCounterclockwise: boolean;
lookLeft: boolean;
}
function getMonvingAverage(period: number) {
const arr: number[] = [];
let sum = 0;
return (value: number) => {
sum += value;
arr.push(value);
if (arr.length >= period) {
sum -= arr[0];
arr.shift();
}
if (arr.length < period / 2) return 0;
return sum / arr.length;
};
}
/**
* LocalAudioMediaStream 을 분석하여 avatarFace 를 어떻게 그려야 할지 결정해주는 책임을 가짐
*
*/
export class AudioAnalyser {
private analyser: AnalyserNode;
// value // 추후 자음을 분석하여 입모양을 결정하는 부분이 합쳐질 경우 변경될 가능성이 높음
private readonly speakThrashHold: number;
private readonly speakMouseThrashHold: number;
private readonly volumeDivideValue: number;
private readonly smad: number[];
// for audio Analysis
private readonly byteFrequencyDataArray: Uint8Array;
constructor(
stream: MediaStream, // audio
volumeDivideValue = 250,
speakThrashHold = 30,
speakMouseThrashHold = 50,
) {
// make analyser with stream
const audioContext = new AudioContext();
const source = audioContext.createMediaStreamSource(stream);
this.analyser = audioContext.createAnalyser();
source.connect(this.analyser);
this.analyser.smoothingTimeConstant = 0.6;
this.analyser.fftSize = 2048;
this.smad = [];
// value
this.volumeDivideValue = volumeDivideValue;
this.speakThrashHold = speakThrashHold;
this.speakMouseThrashHold = speakMouseThrashHold;
// for audio Analysis
this.byteFrequencyDataArray = new Uint8Array(
this.analyser.frequencyBinCount,
);
}
getAvatarFaceDtoByAudioAnalysis(): AvatarFaceDto {
let avatarFace = AvatarFaceEnum.FACE_MUTE;
this.analyser.getByteFrequencyData(this.byteFrequencyDataArray);
// get volume
const volume =
this.byteFrequencyDataArray.reduce((acc, cur) => {
return acc + cur;
}, 0) / this.byteFrequencyDataArray.length;
// get avatarFace scale by volume and volumeDivideValue
const scale = 1 + volume / this.volumeDivideValue;
const stringFormants = localStorage.getItem('formants');
if (stringFormants === null) {
// get avatarFaceEnum by volume
if (volume > this.speakThrashHold) avatarFace = AvatarFaceEnum.FACE_A;
if (volume > this.speakMouseThrashHold)
avatarFace = AvatarFaceEnum.FACE_A;
return {
avatarFace: avatarFace,
avatarFaceScale: scale,
};
} else E{
avatarFace = AvatarFaceEnum.FACE_MUTE;
const sma = getMonvingAverage(16);
this.smad.length = 0;
this.byteFrequencyDataArray.forEach(value => {
this.smad.push(sma(value));
});
const formants = JSON.parse(stringFormants) as Formant[];
const candidates = formants.map(value => {
let vowelsSelfDist = 0;
const dot = value.array.reduce((acc, cur, idx) => {
vowelsSelfDist += cur * cur;
return acc + cur * this.smad[idx];
}, 0);
const smadSelfDist = this.smad.reduce((acc, cur) => {
return acc + cur * cur;
}, 0);
const similarity =
dot / (Math.sqrt(vowelsSelfDist) * Math.sqrt(smadSelfDist));
return {
vowel: value.label,
similarity: similarity,
distPercent: smadSelfDist / vowelsSelfDist,
};
});
candidates.sort((a, b) => b.similarity - a.similarity);
if (candidates[0].similarity > 0.9 && candidates[0].distPercent > 0.5) {
// console.log(candidates[0].vowel);
if (candidates[0].vowel === 'A') avatarFace = AvatarFaceEnum.FACE_A;
else if (candidates[0].vowel === 'E')
avatarFace = AvatarFaceEnum.FACE_E;
else if (candidates[0].vowel === 'I')
avatarFace = AvatarFaceEnum.FACE_I;
else if (candidates[0].vowel === 'O')
avatarFace = AvatarFaceEnum.FACE_O;
else if (candidates[0].vowel === 'U')
avatarFace = AvatarFaceEnum.FACE_U;
}
return {
avatarFace: avatarFace,
avatarFaceScale: scale,
};
}
}
}
/**
* 책임 : 자기 avatar 의 모든 정보를 가지고 있고, update 가 호출되면 현재 위치, 방향 등의 정보를 업데이트함
* 내부적으로 AudioAnalyser 를 가지고 연결된 peer 들에게 전송해야 되는 데이터를 output 함
*/
export class Me implements PlayerDto {
// PlayerDto
private _nickname: string; //외부에서 변경하는 것이 아니라, setter 를 통해서 변경. setter 에서는 nickname 이 변경되면 nicknameDiv 의 innerText 도 같이 변경함.
private _textMessage: string;
avatar: AvatarImageEnum;
avatarFace: AvatarFaceEnum;
avatarFaceScale: number;
centerPos: Vec2;
partRotatedegree: number[];
rotateCounterclockwise: boolean;
lookLeft: boolean;
//nickname overlay div
nicknameDiv: HTMLDivElement;
//textMessage overlay div
textMessageDiv: HTMLDivElement;
// update avatar position values
private lastUpdateTimeStamp: number;
private readonly velocity: number;
private normalizedDirectionVector: Vec2;
nextNormalizedDirectionVector: Vec2;
isMoving: boolean;
// AudioAnalyser
public audioAnalyser: AudioAnalyser;
constructor(
nicknameDiv: HTMLDivElement,
textMessageDiv: HTMLDivElement,
audioAnalyser: AudioAnalyser,
centerPos: Vec2, // original centerPos
nickname = '익명의 곰', // 추후 .env 로 이동해야 될듯 (하드코딩 제거)
textMessage: string,
avatar = AvatarImageEnum.BUNNY,
velocity = 0.2,
) {
//nickname overlay div
this.nicknameDiv = nicknameDiv;
//textMessage overlay div
this.textMessageDiv = textMessageDiv;
// PlayerDto
this._nickname = nickname;
this.nickname = nickname;
this._textMessage = textMessage;
this.textMessage = textMessage;
this.avatar = avatar;
this.avatarFace = AvatarFaceEnum.FACE_MUTE;
this.avatarFaceScale = 1;
this.centerPos = {...centerPos};
this.partRotatedegree = Array.from({length: 6}, () => 0);
this.rotateCounterclockwise = false;
this.lookLeft = false;
// update avatar position values
this.lastUpdateTimeStamp = Date.now();
this.velocity = velocity;
this.normalizedDirectionVector = {x: 0, y: 1};
this.nextNormalizedDirectionVector = {x: 0, y: 1};
this.isMoving = false;
// AudioAnalyser
this.audioAnalyser = audioAnalyser;
}
set nickname(nickname: string) {
this._nickname = nickname;
this.nicknameDiv.innerText = nickname;
}
get nickname(): string {
return this._nickname;
}
set textMessage(textMessage: string) {
this._textMessage = textMessage;
this.textMessageDiv.innerText = textMessage;
}
get textMessage(): string {
return this._textMessage;
}
getPlayerDto(): PlayerDto {
return {
nickname: this._nickname,
textMessage: this._textMessage,
avatar: this.avatar,
avatarFace: this.avatarFace,
avatarFaceScale: this.avatarFaceScale,
centerPos: {...this.centerPos},
partRotatedegree: this.partRotatedegree,
rotateCounterclockwise: this.rotateCounterclockwise,
lookLeft: this.lookLeft,
};
}
setAnalyser(analyser: AudioAnalyser): void {
this.audioAnalyser = analyser;
}
}
/**
* 책임 : Peer 간 연결을 수립하여 localStream 전송한다.
* Peer 간 연결을 통해 remoteStream 이 도착하면 AudioElement 에 업데이트한다.
* dataChannel 을 통해 playerDto 를 받아서 자신의 상태를 계속하여 업데이트한다.
* dataChannel 을 통해 연결된 peer 에게 me 의 상태를 전송한다.
*/
export class Peer extends RTCPeerConnection implements PlayerDto {
// for signaling
readonly connectedClientSocketID: string;
readonly socketID: string;
// for dataChannel
private readonly dc: RTCDataChannel;
// for audio stream
audio: HTMLAudioElement;
volumnMultiplyValue: number;
// for sound control by distance between peer and peer
maxSoundDistance: number;
// PlayerDto
nickname: string; //외부에서 변경하는 것이 아니라, setter 를 통해서 변경. setter 에서는 nickname 이 변경되면 nicknameDiv 의 innerText 도 같이 변경함.
textMessage: string;
avatar: AvatarImageEnum;
avatarFace: AvatarFaceEnum;
avatarFaceScale: number;
centerPos: Vec2;
partRotatedegree: number[];
rotateCounterclockwise: boolean;
lookLeft: boolean;
//nickname overlay div
nicknameDiv: HTMLDivElement;
// textMessage overlay div
textMessageDiv: HTMLDivElement;
//trackEventHandler (ontrack 으로 새로운 트랙이 들어왔을 때)
trackEventHandler: (peerId: string, event: RTCTrackEvent) => void;
//dataChannel onMessageEvents container
// eslint-disable-next-line
dataChannelEventHandlers: Map<DataDtoType, (data: any, peer: Peer) => void>;
constructor(
signalingHelper: RTCSignalingHelper,
connectedClientSocketID: string,
localStream: MediaStream,
audio: HTMLAudioElement,
nicknameDiv: HTMLDivElement,
textMessageDiv: HTMLDivElement,
pcConfig: RTCConfiguration,
// eslint-disable-next-line
dataChannelEventHandlers: Map<DataDtoType, (data: any, peer: Peer) => void>,
trackEventHandler: (peerId: string, event: RTCTrackEvent) => void,
maxSoundDistance = 500,
) {
super(pcConfig);
// for signaling
this.connectedClientSocketID = connectedClientSocketID;
this.socketID = signalingHelper.getSocketID();
// for dataChannel
this.dc = this.createDataChannel('dc');
// for audio stream
this.audio = audio;
this.volumnMultiplyValue = 1;
// for sound control by distance between peer and peer
this.maxSoundDistance = maxSoundDistance;
// PlayerDto
this.nickname = 'Loading...';
this.textMessage = '';
this.avatar = AvatarImageEnum.BUNNY;
this.avatarFace = AvatarFaceEnum.FACE_MUTE;
this.avatarFaceScale = 1;
this.centerPos = {x: -1000, y: -1000};
this.partRotatedegree = Array.from({length: 5}, () => 0);
this.rotateCounterclockwise = false;
this.lookLeft = false;
//nickname overlay div
this.nicknameDiv = nicknameDiv;
//textMessage overlay div
this.textMessageDiv = textMessageDiv;
//trackEventHandler
this.trackEventHandler = trackEventHandler;
//dataChannel onMessageEvents container
this.dataChannelEventHandlers = dataChannelEventHandlers;
// connect localStream
localStream.getTracks().forEach(track => {
this.addTrack(track);
});
// event setting
this.setSignalingEvent(signalingHelper);
}
private getDataChannelEventHandler(
type: DataDtoType,
// eslint-disable-next-line
): ((data: any, peer: Peer) => void) | undefined {
return this.dataChannelEventHandlers.get(type);
}
private setSignalingEvent(signalingHelper: RTCSignalingHelper): void {
// negotitateneeded
this.onnegotiationneeded = () => {
console.log(`onnegotiationneeded, state: ${this.connectionState}`);
};
// fire when peer connection is established
this.ondatachannel = event => {
const receviedDC = event.channel;
receviedDC.onmessage = event => {
const dataDto = JSON.parse(event.data) as DataDto;
const cb = this.getDataChannelEventHandler(dataDto.type);
if (cb) cb(dataDto.data, this);
};
receviedDC.onopen = () => {
console.log(`dataChannel created with ${this.connectedClientSocketID}`);
};
receviedDC.onclose = () => {
console.log(`dataChannel closed with ${this.connectedClientSocketID}`);
};
};
// iceCandidate 이벤트는 setLocalDescripton 이후 지속적으로 호출됩니다.
this.addEventListener('icecandidate', event => {
const iceCandidate = event.candidate;
// iceCandidate 가 null 인 경우는 last iceCandidate 이후에 이벤트가 한번더 호출되었을 때 이다.
if (iceCandidate) {
const iceDto: IceDto = {
toClientId: this.connectedClientSocketID,
fromClientId: this.socketID,
ice: iceCandidate,
};
signalingHelper.emitIce(iceDto);
}
});
this.addEventListener('track', event => {
console.log(this.getReceivers());
if (!event.streams[0] && event.track.kind === 'audio') {
const stream = new MediaStream();
stream.addTrack(event.track);
this.audio.srcObject = stream;
} else {
this.trackEventHandler(this.connectedClientSocketID, event);
}
});
}
update(data: PlayerDto): void {
this.centerPos = data.centerPos;
this.nickname = data.nickname;
this.textMessage = data.textMessage;
this.avatar = data.avatar;
this.avatarFace = data.avatarFace;
this.avatarFaceScale = data.avatarFaceScale;
this.partRotatedegree = data.partRotatedegree;
this.nicknameDiv.innerText = data.nickname;
this.textMessageDiv.innerText = data.textMessage;
this.lookLeft = data.lookLeft;
}
updateSoundFromVec2(pos: Vec2): void {
const distance = Math.sqrt(
Math.pow(this.centerPos.x - pos.x, 2) +
Math.pow(this.centerPos.y - pos.y, 2),
);
const volumeValue = Math.max(0, 1 - distance / this.maxSoundDistance);
this.audio.volume = volumeValue * this.volumnMultiplyValue;
}
/**
*
* @param data JSON.stringify(dataDto: DataDto)
*/
transmitUsingDataChannel(data: string): void {
if (this.dc.readyState === 'open') {
this.dc.send(data);
} else {
// console.error(
// `${this.connectedClientSocketID} dataChannel is not opened`,
// );
}
}
}
/**
* 책임 : 내부적으로 Me 를 가지고 있으며
* signalingHelper 의 이벤트마다 적절하게 peer 를 새로 생성하거나,
* 이미 생성되어 있는 peer 의 이벤트의 맞는 메소드를 실행 시킨다.
*/
export default class PeerManager {
static readonly nicknameDivClassName = 'canvasOverlay';
// create new Peer params
private readonly signalingHelper: RTCSignalingHelper;
localStream: MediaStream;
private readonly audioContainer: HTMLDivElement;
readonly nicknameContainer: HTMLDivElement;
private readonly pcConfig: RTCConfiguration;
// peer container
peers: Map<string, Peer>;
// Me
me: Me;
// RoomID
readonly roomID: string;
//dataChannel onMessageEvents container
// eslint-disable-next-line
dataChannelEventHandlers: Map<DataDtoType, (data: any, peer: Peer) => void>;
// trackEventHadler
trackEventHandler: (peerId: string, event: RTCTrackEvent) => void;
// screenVideoTracks
screenVideoTracks: MediaStreamTrack[];
// my socket ID
readonly socketID: string;
// speakerDeviceID (for sink)
speakerDeviceID: string;
// micDeviceID (stream)
readonly micDeviceID: string;
// events for Pixi
onPeerCreated: (createdPeerSocketID: string) => void;
onPeerDeleted: (deletedPeerSocketID: string) => void;
constructor(
signalingHelper: RTCSignalingHelper,
localStream: MediaStream,
audioContainer: HTMLDivElement,
nicknameContainer: HTMLDivElement,
pcConfig: RTCConfiguration,
roomID: string,
me: Me,
speakerDeviceID = 'default',
micDeviceID = 'default',
) {
// create new Peer params
this.signalingHelper = signalingHelper;
this.localStream = localStream;
this.audioContainer = audioContainer;
this.nicknameContainer = nicknameContainer;
this.pcConfig = pcConfig;
// peer container
this.peers = new Map<string, Peer>();
// Me
this.me = me;
// roomID
this.roomID = roomID;
//dataChannel onMessageEvents container
this.dataChannelEventHandlers = new Map();
// trackEventHandler
this.trackEventHandler = () => {
return;
};
// screenVideoTracks
this.screenVideoTracks = [];
// my socket ID
this.socketID = signalingHelper.getSocketID();
// speaker Device ID
this.speakerDeviceID = speakerDeviceID;
// micDeviceID
this.micDeviceID = micDeviceID;
// setEvent
this.setSignalingEvent();
// JoinRoom
this.signalingHelper.joinRoom(roomID);
// events for Pixi
this.onPeerCreated = () => {
return;
};
this.onPeerDeleted = () => {
return;
};
}
changeEachAudio(deviceId: string): void {
this.speakerDeviceID = deviceId;
this.forEachPeer((peer: Peer) => {
// eslint-disable-next-line
const audio = peer.audio as any;
audio.setSinkId(deviceId);
});
}
forEachPeer(callback: (peer: Peer) => void): void {
this.peers.forEach(peer => callback(peer));
}
setDataChannelEventHandler(
type: DataDtoType,
// eslint-disable-next-line
handler: (data: any, peer: Peer) => void,
): void {
this.dataChannelEventHandlers.set(type, handler);
}
private createAudioElementAndSetDeviceIfSetSinkIdExist(
audioContainer: HTMLDivElement = this.audioContainer,
): HTMLAudioElement {
const audio = document.createElement('audio') as HTMLAudioElement;
audio.autoplay = true;
// eslint-disable-next-line
Iif ((audio as any).setSinkId) {
// eslint-disable-next-line
(audio as any).setSinkId(this.speakerDeviceID);
}
audioContainer.appendChild(audio);
return audio;
}
private createDivElement(
divContainer: HTMLDivElement,
className: string,
): HTMLDivElement {
const newDiv = document.createElement('div') as HTMLDivElement;
newDiv.className = className;
divContainer.appendChild(newDiv);
return newDiv;
}
private createNewPeerAndAddPeers(connectedClientSocketID: string): Peer {
Iif (this.peers.has(connectedClientSocketID)) {
console.error('create already exists peer');
}
const peer = new Peer(
this.signalingHelper,
connectedClientSocketID,
this.localStream,
this.createAudioElementAndSetDeviceIfSetSinkIdExist(),
this.createDivElement(
this.nicknameContainer,
PeerManager.nicknameDivClassName,
),
this.createDivElement(
this.nicknameContainer,
PeerManager.nicknameDivClassName,
),
this.pcConfig,
this.dataChannelEventHandlers,
this.trackEventHandler,
500,
);
Iif (this.screenVideoTracks.length > 0) {
peer.addEventListener('connectionstatechange', () => {
if (peer.connectionState === 'connected') {
const stream = new MediaStream();
this.screenVideoTracks.forEach(track => {
try {
peer.addTrack(track, stream);
} catch (error) {
console.error(`screenVideoTracks error!`);
}
});
this.peerOffer(peer);
}
});
}
this.peers.set(connectedClientSocketID, peer);
this.onPeerCreated(connectedClientSocketID);
return peer;
}
peerOffer(peer: Peer): void {
peer
.createOffer()
.then(sdp => {
peer.setLocalDescription(sdp);
const offerDto: OfferAnswerDto = {
toClientId: peer.connectedClientSocketID,
fromClientId: peer.socketID,
sdp: sdp,
};
this.signalingHelper.emitOffer(offerDto);
})
.catch(error => {
console.error(
`Peer SocketId: ${
peer.connectedClientSocketID
} createAnswer fail=> ${error.toString()}`,
);
});
}
setSignalingEvent(): void {
this.signalingHelper.onOffer = (offerDto: OfferAnswerDto): void => {
if (!this.peers.has(offerDto.fromClientId))
this.createNewPeerAndAddPeers(offerDto.fromClientId);
const offeredPeer = this.peers.get(offerDto.fromClientId);
if (offeredPeer) {
offeredPeer
.setRemoteDescription(offerDto.sdp)
.then(() => {
return offeredPeer.createAnswer();
})
.then(sdp => {
offeredPeer.setLocalDescription(sdp);
const answerDto: OfferAnswerDto = {
fromClientId: offeredPeer.socketID,
toClientId: offeredPeer.connectedClientSocketID,
sdp: sdp,
};
this.signalingHelper.emitAnswer(answerDto);
})
.catch(error => {
console.error(
`Peer SocketId: ${
offeredPeer.connectedClientSocketID
} offer answer fail => ${error.toString()}`,
);
});
}
};
this.signalingHelper.onNeedToOffer = (toSocketIDs: string[]): void => {
toSocketIDs.forEach(connectedSocketId => {
if (connectedSocketId !== this.signalingHelper.getSocketID()) {
const newPeer = this.createNewPeerAndAddPeers(connectedSocketId);
this.peerOffer(newPeer);
}
});
};
this.signalingHelper.onAnswer = (ansDto: OfferAnswerDto): void => {
console.log(`receive answer from ${ansDto.fromClientId}`);
const answeredPeer = this.peers.get(ansDto.fromClientId);
if (answeredPeer) {
answeredPeer.setRemoteDescription(ansDto.sdp);
}
};
this.signalingHelper.onIce = (iceDto: IceDto): void => {
const icedPeer = this.peers.get(iceDto.fromClientId);
if (icedPeer) {
const ice = new RTCIceCandidate(iceDto.ice);
icedPeer.addIceCandidate(ice).catch(error => {
console.error(`addIceCandidate Fail : ${error.toString()}`);
});
}
};
this.signalingHelper.onPeerExitRoom = (exitedSocketID: string): void => {
const exitedPeer = this.peers.get(exitedSocketID);
if (exitedPeer) {
this.peers.delete(exitedSocketID);
this.audioContainer.removeChild(exitedPeer.audio);
this.nicknameContainer.removeChild(exitedPeer.nicknameDiv);
this.nicknameContainer.removeChild(exitedPeer.textMessageDiv);
this.onPeerDeleted(exitedSocketID);
// delete shared screen
const data: DataDto = {
type: DataDtoType.SHARED_SCREEN_CLOSE,
data: exitedSocketID,
};
const cb = this.dataChannelEventHandlers.get(data.type);
Iif (cb) cb(exitedSocketID, exitedPeer);
}
};
}
close(): void {
this.signalingHelper.close();
}
}
|