Test_Project_Cocos/DelayNoMore
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Simplified frontend codes.

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This commit is contained in:
genxium 2022-10-16 10:38:38 +08:00
parent cb794d70c7
commit c3c7854e92
3 changed files with 37 additions and 44 deletions
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2
frontend/assets/scenes/login.fire
View File

@ -440,7 +440,7 @@
"array": [
0,
0,
209.57814771583418,
209.73151519075364,
0,
0,
0,

75
frontend/assets/scripts/Map.js
View File

@ -133,7 +133,7 @@ cc.Class({
dumpToInputCache: function(inputFrameDownsync) {
const self = this;
let minToKeepInputFrameId = self._convertToInputFrameId(self.lastAllConfirmedRenderFrameId, self.inputDelayFrames); // [WARNING] This could be different from "self.lastAllConfirmedInputFrameId". We'd like to keep the corresponding inputFrame for "self.lastAllConfirmedRenderFrameId" such that a rollback could place "self.chaserRenderFrameId = self.lastAllConfirmedRenderFrameId" for the worst case incorrect prediction.
let minToKeepInputFrameId = self._convertToInputFrameId(self.lastAllConfirmedRenderFrameId, self.inputDelayFrames); // [WARNING] This could be different from "self.lastAllConfirmedInputFrameId". We'd like to keep the corresponding delayedInputFrame for "self.lastAllConfirmedRenderFrameId" such that a rollback could place "self.chaserRenderFrameId = self.lastAllConfirmedRenderFrameId" for the worst case incorrect prediction.
if (minToKeepInputFrameId > self.lastAllConfirmedInputFrameId) {
minToKeepInputFrameId = self.lastAllConfirmedInputFrameId;
}
@ -637,7 +637,7 @@ cc.Class({
return true;
},
onInputFrameDownsyncBatch(batch, dumpRenderCacheRet /* second param is default to null */ ) {
onInputFrameDownsyncBatch(batch) {
const self = this;
if (ALL_BATTLE_STATES.IN_BATTLE != self.battleState
&& ALL_BATTLE_STATES.IN_SETTLEMENT != self.battleState) {
@ -651,49 +651,42 @@ cc.Class({
if (inputFrameDownsyncId < self.lastAllConfirmedInputFrameId) {
continue;
}
if (window.RING_BUFF_NON_CONSECUTIVE_SET == dumpRenderCacheRet) {
// Deliberately left blank, in this case "chaserRenderFrameId" is already reset to proper value.
} else {
const inputFrameIdConsecutive = (inputFrameDownsyncId == self.lastAllConfirmedInputFrameId + 1);
const localInputFrame = self.recentInputCache.getByFrameId(inputFrameDownsyncId);
if (null == localInputFrame && false == inputFrameIdConsecutive) {
throw "localInputFrame not existing and is NOT CONSECUTIVELY EXTENDING recentInputCache: inputFrameDownsyncId=" + inputFrameDownsyncId + ", lastAllConfirmedInputFrameId=" + self.lastAllConfirmedInputFrameId + ", recentInputCache=" + self._stringifyRecentInputCache(false);
} else if (null == firstPredictedYetIncorrectInputFrameId && null != localInputFrame && !self.equalInputLists(localInputFrame.inputList, inputFrameDownsync.inputList)) {
firstPredictedYetIncorrectInputFrameId = inputFrameDownsyncId;
}
const localInputFrame = self.recentInputCache.getByFrameId(inputFrameDownsyncId);
if (null != localInputFrame
&&
null == firstPredictedYetIncorrectInputFrameId
&&
!self.equalInputLists(localInputFrame.inputList, inputFrameDownsync.inputList)
) {
firstPredictedYetIncorrectInputFrameId = inputFrameDownsyncId;
}
self.lastAllConfirmedInputFrameId = inputFrameDownsyncId;
self.dumpToInputCache(inputFrameDownsync);
}
if (null != firstPredictedYetIncorrectInputFrameId) {
const inputFrameId1 = firstPredictedYetIncorrectInputFrameId;
const renderFrameId1 = self._convertToFirstUsedRenderFrameId(inputFrameId1, self.inputDelayFrames); // a.k.a. "firstRenderFrameIdUsingIncorrectInputFrameId"
if (renderFrameId1 < self.renderFrameId) {
/*
A typical case is as follows.
--------------------------------------------------------
[self.lastAllConfirmedRenderFrameId] : 22
if (null == firstPredictedYetIncorrectInputFrameId) return;
const inputFrameId1 = firstPredictedYetIncorrectInputFrameId;
const renderFrameId1 = self._convertToFirstUsedRenderFrameId(inputFrameId1, self.inputDelayFrames); // a.k.a. "firstRenderFrameIdUsingIncorrectInputFrameId"
if (renderFrameId1 >= self.renderFrameId) return; // No need to rollback when "renderFrameId1 == self.renderFrameId", because the "corresponding delayedInputFrame for renderFrameId1" is NOT YET EXECUTED BY NOW, it just went through "++self.renderFrameId" in "update(dt)" and javascript-runtime is mostly single-threaded in our programmable range.
<renderFrameId1> : 36
if (renderFrameId1 >= self.chaserRenderFrameId) return;
/*
A typical case is as follows.
--------------------------------------------------------
[self.lastAllConfirmedRenderFrameId] : 22
<renderFrameId1> : 36
<self.chaserRenderFrameId> : 62
<self.chaserRenderFrameId> : 62
[self.renderFrameId] : 64
--------------------------------------------------------
*/
if (renderFrameId1 < self.chaserRenderFrameId) {
// The actual rollback-and-chase would later be executed in update(dt).
console.warn("Mismatched input detected, resetting chaserRenderFrameId: inputFrameId1:", inputFrameId1, ", renderFrameId1:", renderFrameId1, ", chaserRenderFrameId before reset: ", self.chaserRenderFrameId);
self.chaserRenderFrameId = renderFrameId1;
} else {
// Deliberately left blank, chasing is ongoing.
}
} else {
// No need to rollback when "renderFrameId1 == self.renderFrameId", because the "corresponding delayedInputFrame for renderFrameId2" is NOT YET EXECUTED BY NOW, it just went through "++self.renderFrameId" in "update(dt)" and javascript-runtime is mostly single-threaded in our programmable range.
}
}
[self.renderFrameId] : 64
--------------------------------------------------------
*/
// The actual rollback-and-chase would later be executed in update(dt).
console.warn("Mismatched input detected, resetting chaserRenderFrameId: inputFrameId1:", inputFrameId1, ", renderFrameId1:", renderFrameId1, ", chaserRenderFrameId before reset: ", self.chaserRenderFrameId);
self.chaserRenderFrameId = renderFrameId1;
},
onPlayerAdded(rdf) {
@ -803,7 +796,7 @@ cc.Class({
self.chaserRenderFrameId = nextChaserRenderFrameId; // Move the cursor "self.chaserRenderFrameId", keep in mind that "self.chaserRenderFrameId" is not monotonic!
let t2 = performance.now();
// Inside "self.rollbackAndChase", the "self.latestCollisionSys" is ALWAYS ROLLED BACK to "self.recentRenderCache.get(self.renderFrameId)" before being applied dynamics from corresponding inputFrameDownsync, REGARDLESS OF whether or not "self.chaserRenderFrameId == self.renderFrameId" now.
// Inside the following "self.rollbackAndChase" (which actually ROLLS FORWARD), the "self.latestCollisionSys" is ALWAYS "ROLLED BACK" to "self.recentRenderCache.get(self.renderFrameId)" before being applied dynamics from corresponding delayedInputFrame, REGARDLESS OF whether or not "self.chaserRenderFrameId == self.renderFrameId" now.
const rdf = self.rollbackAndChase(self.renderFrameId, self.renderFrameId + 1, self.latestCollisionSys, self.latestCollisionSysMap);
/*
const nonTrivialChaseEnded = (prevChaserRenderFrameId < nextChaserRenderFrameId && nextChaserRenderFrameId == self.renderFrameId);
@ -818,7 +811,7 @@ cc.Class({
} finally {
// Update countdown
if (null != self.countdownNanos) {
self.countdownNanos = self.battleDurationNanos - self.renderFrameId*self.rollbackEstimatedDtNanos;
self.countdownNanos = self.battleDurationNanos - self.renderFrameId * self.rollbackEstimatedDtNanos;
if (self.countdownNanos <= 0) {
self.onBattleStopped(self.playerRichInfoDict);
return;
@ -987,9 +980,9 @@ cc.Class({
self.playerRichInfoDict.forEach((playerRichInfo, playerId) => {
const immediatePlayerInfo = rdf.players[playerId];
const dx = (immediatePlayerInfo.x-playerRichInfo.node.x);
const dy = (immediatePlayerInfo.y-playerRichInfo.node.y);
const selfJiggling = (playerId == self.selfPlayerInfo.playerId && (0 != dx && self.teleportEps1D >= Math.abs(dx) && 0 != dy && self.teleportEps1D >= Math.abs(dy)));
const dx = (immediatePlayerInfo.x - playerRichInfo.node.x);
const dy = (immediatePlayerInfo.y - playerRichInfo.node.y);
const selfJiggling = (playerId == self.selfPlayerInfo.playerId && (0 != dx && self.teleportEps1D >= Math.abs(dx) && 0 != dy && self.teleportEps1D >= Math.abs(dy)));
if (!selfJiggling) {
playerRichInfo.node.setPosition(immediatePlayerInfo.x, immediatePlayerInfo.y);
} else {

4
frontend/assets/scripts/WsSessionMgr.js
View File

@ -194,8 +194,8 @@ window.initPersistentSessionClient = function(onopenCb, expectedRoomId) {
} else {
console.warn("Got forced resync@localRenderFrameId=", mapIns.renderFrameId, ", @lastAllConfirmedRenderFrameId=", mapIns.lastAllConfirmedRenderFrameId, "@lastAllConfirmedInputFrameId=", mapIns.lastAllConfirmedInputFrameId, ", @localRecentInputCache=", mapIns._stringifyRecentInputCache(false), ", the incoming resp=\n", JSON.stringify(resp, null, 2));
// The following order of execution is important
const dumpRenderCacheRet = mapIns.onRoomDownsyncFrame(resp.rdf);
mapIns.onInputFrameDownsyncBatch(resp.inputFrameDownsyncBatch, dumpRenderCacheRet);
mapIns.onRoomDownsyncFrame(resp.rdf);
mapIns.onInputFrameDownsyncBatch(resp.inputFrameDownsyncBatch);
}
break;
default: