mirror of
https://github.com/genxium/DelayNoMore
synced 2024-12-28 04:28:04 +00:00
349 lines
15 KiB
JavaScript
349 lines
15 KiB
JavaScript
const RingBuffer = require('./RingBuffer');
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window.UPSYNC_MSG_ACT_HB_PING = 1;
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window.UPSYNC_MSG_ACT_PLAYER_CMD = 2;
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window.UPSYNC_MSG_ACT_PLAYER_COLLIDER_ACK = 3;
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window.DOWNSYNC_MSG_ACT_PLAYER_ADDED_AND_ACKED = -98;
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window.DOWNSYNC_MSG_ACT_BATTLE_READY_TO_START = -1;
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window.DOWNSYNC_MSG_ACT_BATTLE_START = 0;
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window.DOWNSYNC_MSG_ACT_HB_REQ = 1;
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window.DOWNSYNC_MSG_ACT_INPUT_BATCH = 2;
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window.DOWNSYNC_MSG_ACT_BATTLE_STOPPED = 3;
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window.DOWNSYNC_MSG_ACT_FORCED_RESYNC = 4;
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window.DOWNSYNC_MSG_ACT_PEER_INPUT_BATCH = 5;
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window.DOWNSYNC_MSG_ACT_PEER_UDP_ADDR = 6;
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window.sendSafely = function(msgStr) {
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/**
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* - "If the data can't be sent (for example, because it needs to be buffered but the buffer is full), the socket is closed automatically."
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*
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* from https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send.
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*/
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if (null == window.clientSession || window.clientSession.readyState != WebSocket.OPEN) return false;
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window.clientSession.send(msgStr);
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}
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window.sendUint8AsBase64Safely = function(msgUint8Arr) {
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if (null == window.clientSession || window.clientSession.readyState != WebSocket.OPEN) return false;
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window.clientSession.send(_uint8ToBase64(msgUint8Arr));
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}
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window.closeWSConnection = function(code, reason) {
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if (null == window.clientSession || window.clientSession.readyState != WebSocket.OPEN) {
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console.log(`"window.clientSession" is already closed or destroyed.`);
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return;
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}
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console.log(`Closing "window.clientSession" from the client-side with code=${code}.`);
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window.clientSession.close(code, reason);
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}
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window.getBoundRoomIdFromPersistentStorage = function() {
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const boundRoomIdExpiresAt = parseInt(cc.sys.localStorage.getItem("boundRoomIdExpiresAt"));
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if (!boundRoomIdExpiresAt || Date.now() >= boundRoomIdExpiresAt) {
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window.clearBoundRoomIdInBothVolatileAndPersistentStorage();
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return null;
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}
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return cc.sys.localStorage.getItem("boundRoomId");
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};
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window.getBoundRoomCapacityFromPersistentStorage = function() {
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const boundRoomIdExpiresAt = parseInt(cc.sys.localStorage.getItem("boundRoomIdExpiresAt"));
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if (!boundRoomIdExpiresAt || Date.now() >= boundRoomIdExpiresAt) {
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window.clearBoundRoomIdInBothVolatileAndPersistentStorage();
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return null;
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}
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return cc.sys.localStorage.getItem("boundRoomCapacity");
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};
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window.clearBoundRoomIdInBothVolatileAndPersistentStorage = function() {
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window.boundRoomId = null;
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cc.sys.localStorage.removeItem("boundRoomId");
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cc.sys.localStorage.removeItem("boundRoomCapacity");
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cc.sys.localStorage.removeItem("boundRoomIdExpiresAt");
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};
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window.clearSelfPlayer = function() {
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cc.sys.localStorage.removeItem("selfPlayer");
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};
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window.boundRoomId = getBoundRoomIdFromPersistentStorage();
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window.boundRoomCapacity = getBoundRoomCapacityFromPersistentStorage();
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window.handleHbRequirements = function(resp) {
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console.log(`Handle hb requirements #1`);
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if (constants.RET_CODE.OK != resp.ret) return;
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// The assignment of "window.mapIns" is inside "Map.onLoad", which precedes "initPersistentSessionClient".
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window.mapIns.selfPlayerInfo = JSON.parse(cc.sys.localStorage.getItem('selfPlayer')); // This field is kept for distinguishing "self" and "others".
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window.mapIns.selfPlayerInfo.Id = window.mapIns.selfPlayerInfo.playerId;
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window.mapIns.selfPlayerInfo.JoinIndex = resp.peerJoinIndex;
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console.log(`Handle hb requirements #2`);
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if (null == window.boundRoomId || null == window.boundRoomCapacity) {
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window.boundRoomId = resp.bciFrame.boundRoomId;
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window.boundRoomCapacity = resp.bciFrame.boundRoomCapacity;
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cc.sys.localStorage.setItem('boundRoomId', window.boundRoomId);
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cc.sys.localStorage.setItem('boundRoomCapacity', window.boundRoomCapacity);
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cc.sys.localStorage.setItem('boundRoomIdExpiresAt', Date.now() + 10 * 60 * 1000); // Temporarily hardcoded, for `boundRoomId` only.
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}
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console.log(`Handle hb requirements #3`);
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if (window.handleBattleColliderInfo) {
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window.handleBattleColliderInfo(resp.bciFrame);
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}
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console.log(`Handle hb requirements #4`);
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if (!cc.sys.isNative) {
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console.log(`Handle hb requirements #5, web`);
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window.initSecondarySession(null, window.boundRoomId);
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} else {
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console.log(`Handle hb requirements #5, native`);
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const res1 = DelayNoMore.UdpSession.openUdpSession(8888 + window.mapIns.selfPlayerInfo.JoinIndex);
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const intAuthToken = window.mapIns.selfPlayerInfo.intAuthToken;
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const authKey = Math.floor(Math.random() * 65535);
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window.mapIns.selfPlayerInfo.authKey = authKey;
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const holePunchData = window.pb.protos.HolePunchUpsync.encode({
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boundRoomId: window.boundRoomId,
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intAuthToken: intAuthToken,
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authKey: authKey,
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}).finish();
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const res2 = DelayNoMore.UdpSession.punchToServer(backendAddress.HOST, 3000, holePunchData);
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}
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};
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function _uint8ToBase64(uint8Arr) {
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return window.btoa(uint8Arr);
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}
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function _base64ToUint8Array(base64) {
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var origBytes = null;
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if (null != window.atob) {
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var origBinaryStr = window.atob(base64);
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var origLen = origBinaryStr.length;
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origBytes = new Uint8Array(origLen);
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for (var i = 0; i < origLen; i++) {
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origBytes[i] = origBinaryStr.charCodeAt(i);
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}
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return origBytes;
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} else {
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return null;
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}
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}
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function _base64ToArrayBuffer(base64) {
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return _base64ToUint8Array(base64).buffer;
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}
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window.getExpectedRoomIdSync = function() {
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const qDict = window.getQueryParamDict();
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if (qDict) {
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return qDict["expectedRoomId"];
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} else {
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if (window.history && window.history.state) {
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return window.history.state.expectedRoomId;
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}
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}
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return null;
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};
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window.initPersistentSessionClient = function(onopenCb, expectedRoomId) {
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if (window.clientSession && window.clientSession.readyState == WebSocket.OPEN) {
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if (null != onopenCb) {
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onopenCb();
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}
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return;
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}
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const selfPlayerStr = cc.sys.localStorage.getItem("selfPlayer");
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const selfPlayer = null == selfPlayerStr ? null : JSON.parse(selfPlayerStr);
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const intAuthToken = null == selfPlayer ? "" : selfPlayer.intAuthToken;
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let urlToConnect = backendAddress.PROTOCOL.replace('http', 'ws') + '://' + backendAddress.HOST + ":" + backendAddress.PORT + backendAddress.WS_PATH_PREFIX + "?intAuthToken=" + intAuthToken;
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if (null != expectedRoomId) {
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console.log("initPersistentSessionClient with expectedRoomId == " + expectedRoomId);
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urlToConnect = urlToConnect + "&expectedRoomId=" + expectedRoomId;
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} else {
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window.boundRoomId = getBoundRoomIdFromPersistentStorage();
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window.boundRoomCapacity = getBoundRoomCapacityFromPersistentStorage();
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if (null != window.boundRoomId) {
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console.log("initPersistentSessionClient with boundRoomId == " + boundRoomId);
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urlToConnect = urlToConnect + "&boundRoomId=" + window.boundRoomId;
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}
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}
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const clientSession = new WebSocket(urlToConnect);
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clientSession.binaryType = 'arraybuffer'; // Make 'event.data' of 'onmessage' an "ArrayBuffer" instead of a "Blob"
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clientSession.onopen = function(evt) {
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console.log("The WS clientSession is opened.");
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window.clientSession = clientSession;
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if (null == onopenCb) return;
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onopenCb();
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};
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clientSession.onmessage = function(evt) {
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if (null == evt || null == evt.data) {
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return;
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}
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// FIXME: In practice, it seems like the thread invoking "onmessage" could be different from "Map.update(dt)", which makes it necessary to guard "recentRenderCache & recentInputCache" for "getOrPrefabInputFrameUpsync & rollbackAndChase & onRoomDownsyncFrame & onInputFrameDownsyncBatch" to avoid mysterious RAM contamination, but there's no explicit mutex in JavaScript for browsers -- this issue is found in Firefox (108.0.1, 64-bit, Windows 11), but not in Chrome (108.0.5359.125, Official Build, 64-bit, Windows 11) -- just breakpoint in "Map.rollbackAndChase" then see whether the logs of "onmessage" can still be printed and whether the values of "recentRenderCache & recentInputCache" change in console).
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try {
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const resp = window.pb.protos.WsResp.decode(new Uint8Array(evt.data));
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//console.log(`Got non-empty onmessage decoded: resp.act=${resp.act}`);
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switch (resp.act) {
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case window.DOWNSYNC_MSG_ACT_HB_REQ:
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window.handleHbRequirements(resp);
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break;
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case window.DOWNSYNC_MSG_ACT_PLAYER_ADDED_AND_ACKED:
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mapIns.onPlayerAdded(resp.rdf);
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break;
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case window.DOWNSYNC_MSG_ACT_BATTLE_READY_TO_START:
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mapIns.onBattleReadyToStart(resp.rdf);
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break;
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case window.DOWNSYNC_MSG_ACT_BATTLE_START:
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mapIns.onRoomDownsyncFrame(resp.rdf);
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break;
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case window.DOWNSYNC_MSG_ACT_BATTLE_STOPPED:
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mapIns.onBattleStopped();
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break;
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case window.DOWNSYNC_MSG_ACT_INPUT_BATCH:
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mapIns.onInputFrameDownsyncBatch(resp.inputFrameDownsyncBatch);
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break;
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case window.DOWNSYNC_MSG_ACT_FORCED_RESYNC:
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if (null == resp.inputFrameDownsyncBatch || 0 >= resp.inputFrameDownsyncBatch.length) {
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console.error(`Got empty inputFrameDownsyncBatch upon resync@localRenderFrameId=${mapIns.renderFrameId}, @lastAllConfirmedRenderFrameId=${mapIns.lastAllConfirmedRenderFrameId}, @lastAllConfirmedInputFrameId=${mapIns.lastAllConfirmedInputFrameId}, @chaserRenderFrameId=${mapIns.chaserRenderFrameId}, @localRecentInputCache=${mapIns._stringifyRecentInputCache(false)}, the incoming resp=${JSON.stringify(resp, null, 2)}`);
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return;
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}
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mapIns.onRoomDownsyncFrame(resp.rdf, resp.inputFrameDownsyncBatch);
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break;
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case window.DOWNSYNC_MSG_ACT_PEER_UDP_ADDR:
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console.warn(`Got DOWNSYNC_MSG_ACT_PEER_UDP_ADDR resp=${JSON.stringify(resp, null, 2)}`);
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if (cc.sys.isNative) {
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const peerJoinIndex = resp.peerJoinIndex;
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const peerAddrList = resp.rdf.peerUdpAddrList;
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const peerAddr = peerAddrList[peerJoinIndex - 1];
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console.log(`Got DOWNSYNC_MSG_ACT_PEER_UDP_ADDR peerAddr=${peerAddr}; boundRoomCapacity=${window.boundRoomCapacity}, mapIns.selfPlayerInfo=${window.mapIns.selfPlayerInfo}`);
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DelayNoMore.UdpSession.upsertPeerUdpAddr(peerJoinIndex, peerAddr.ip, peerAddr.port, peerAddr.authKey, window.boundRoomCapacity, window.mapIns.selfPlayerInfo.JoinIndex);
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}
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break;
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default:
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break;
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}
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} catch (e) {
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console.error("Unexpected error when parsing data of:", evt.data, e);
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}
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};
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clientSession.onerror = function(evt) {
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console.error("Error caught on the WS clientSession: ", evt);
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window.clearLocalStorageAndBackToLoginScene(true);
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};
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clientSession.onclose = function(evt) {
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// [WARNING] The callback "onclose" might be called AFTER the webpage is refreshed with "1001 == evt.code".
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console.warn(`The WS clientSession is closed: evt=${JSON.stringify(evt)}, evt.code=${evt.code}`);
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if (cc.sys.isNative) {
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if (mapIns.frameDataLoggingEnabled) {
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console.warn(`${mapIns._stringifyRdfIdToActuallyUsedInput()}`);
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}
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DelayNoMore.UdpSession.closeUdpSession();
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}
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switch (evt.code) {
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case constants.RET_CODE.CLIENT_MISMATCHED_RENDER_FRAME:
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break;
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case constants.RET_CODE.BATTLE_STOPPED:
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// deliberately do nothing
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if (mapIns.frameDataLoggingEnabled) {
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console.warn(`${mapIns._stringifyRdfIdToActuallyUsedInput()}`);
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}
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break;
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case constants.RET_CODE.PLAYER_NOT_ADDABLE_TO_ROOM:
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case constants.RET_CODE.PLAYER_NOT_READDABLE_TO_ROOM:
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window.clearBoundRoomIdInBothVolatileAndPersistentStorage(); // To favor the player to join other rooms
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mapIns.onManualRejoinRequired("Couldn't join any room at the moment, please retry");
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break;
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case constants.RET_CODE.ACTIVE_WATCHDOG:
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mapIns.onManualRejoinRequired("Disconnected due to long-time inactivity, please rejoin");
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break;
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case constants.RET_CODE.UNKNOWN_ERROR:
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case constants.RET_CODE.MYSQL_ERROR:
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case constants.RET_CODE.PLAYER_NOT_FOUND:
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case constants.RET_CODE.PLAYER_CHEATING:
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case 1006: // Peer(i.e. the backend) gone unexpectedly, but not working for "cc.sys.isNative"
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if (mapIns.frameDataLoggingEnabled) {
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console.warn(`${mapIns._stringifyRdfIdToActuallyUsedInput()}`);
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}
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window.clearLocalStorageAndBackToLoginScene(true);
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break;
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default:
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break;
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}
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};
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};
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window.clearLocalStorageAndBackToLoginScene = function(shouldRetainBoundRoomIdInBothVolatileAndPersistentStorage) {
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console.warn("+++++++ Calling `clearLocalStorageAndBackToLoginScene`");
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window.clearSelfPlayer();
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if (true != shouldRetainBoundRoomIdInBothVolatileAndPersistentStorage) {
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window.clearBoundRoomIdInBothVolatileAndPersistentStorage();
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}
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if (window.mapIns && window.mapIns.musicEffectManagerScriptIns) {
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window.mapIns.musicEffectManagerScriptIns.stopAllMusic();
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}
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cc.director.loadScene('login');
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};
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// For secondary ws session
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window.initSecondarySession = function(onopenCb, boundRoomId) {
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if (window.secondarySession && window.secondarySession.readyState == WebSocket.OPEN) {
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if (null != onopenCb) {
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onopenCb();
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}
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return;
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}
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const selfPlayerStr = cc.sys.localStorage.getItem("selfPlayer");
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const selfPlayer = null == selfPlayerStr ? null : JSON.parse(selfPlayerStr);
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const intAuthToken = null == selfPlayer ? "" : selfPlayer.intAuthToken;
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let urlToConnect = backendAddress.PROTOCOL.replace('http', 'ws') + '://' + backendAddress.HOST + ":" + backendAddress.PORT + "/tsrhtSecondary?isSecondary=true&intAuthToken=" + intAuthToken + "&boundRoomId=" + boundRoomId;
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const clientSession = new WebSocket(urlToConnect);
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clientSession.binaryType = 'arraybuffer'; // Make 'event.data' of 'onmessage' an "ArrayBuffer" instead of a "Blob"
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clientSession.onopen = function(evt) {
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console.warn("The secondary WS clientSession is opened.");
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window.secondarySession = clientSession;
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if (null == onopenCb) return;
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onopenCb();
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};
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clientSession.onmessage = function(evt) {
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if (null == evt || null == evt.data) {
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return;
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}
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try {
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const resp = window.pb.protos.WsResp.decode(new Uint8Array(evt.data));
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//console.log(`Got non-empty onmessage decoded: resp.act=${resp.act}`);
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switch (resp.act) {
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case window.DOWNSYNC_MSG_ACT_PEER_INPUT_BATCH:
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mapIns.onPeerInputFrameUpsync(resp.peerJoinIndex, resp.inputFrameDownsyncBatch);
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break;
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default:
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break;
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}
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} catch (e) {
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console.error("Secondary ws session, unexpected error when parsing data of:", evt.data, e);
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}
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};
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clientSession.onerror = function(evt) {
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console.error("Secondary ws session, error caught on the WS clientSession: ", evt);
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};
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clientSession.onclose = function(evt) {
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// [WARNING] The callback "onclose" might be called AFTER the webpage is refreshed with "1001 == evt.code".
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console.warn(`Secondary ws session is closed: evt=${JSON.stringify(evt)}, evt.code=${evt.code}`);
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};
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};
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