demostf/demo.js
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Code Issues Releases Wiki Activity

cache entity baseline

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This commit is contained in:
Robin Appelman 2017-02-14 22:53:27 +01:00
commit 255602d1e2
6 changed files with 33 additions and 43 deletions
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48
src/Parser/Packet/PacketEntities.ts
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@ -23,37 +23,35 @@ function readPVSType(stream: BitStream): PVS {
return pvs;
}
function readEnterPVS(stream: BitStream, entityId: number, match: Match, baseLine: number): PacketEntity {
const baseLineCache: {[serverClass: string]: PacketEntity} = {};
function readEnterPVS(stream: BitStream, entityId: number, match: Match): PacketEntity {
// https://github.com/PazerOP/DemoLib/blob/5f9467650f942a4a70f9ec689eadcd3e0a051956/TF2Net/NetMessages/NetPacketEntitiesMessage.cs#L198
const serverClass = match.serverClasses[stream.readBits(match.classBits)];
const sendTable = match.getSendTable(serverClass.dataTable);
const serialNumber = stream.readBits(10); // unused it seems
if (!sendTable) {
throw new Error('Unknown SendTable for serverclass');
}
const serverClass = match.serverClasses[stream.readBits(match.classBits)];
stream.readBits(10); // unused serial number
const entity = new PacketEntity(serverClass, entityId, PVS.ENTER);
const decodedBaseLine = match.instanceBaselines[baseLine][entityId];
if (decodedBaseLine) {
for (let i = 0; i < decodedBaseLine.length; i++) {
const newProp = decodedBaseLine[i];
if (!entity.getPropByDefinition(newProp.definition)) {
entity.props.push(newProp.clone());
}
}
if (baseLineCache[serverClass.id]) {
const result = baseLineCache[serverClass.id].clone();
result.entityIndex = entityId;
return result;
} else {
const entity = new PacketEntity(serverClass, entityId, PVS.ENTER);
const sendTable = match.getSendTable(serverClass.dataTable);
if (!sendTable) {
throw new Error('Unknown SendTable for serverclass');
}
const staticBaseLine = match.staticBaseLines[serverClass.id];
if (staticBaseLine) {
staticBaseLine.index = 0;
applyEntityUpdate(entity, sendTable, staticBaseLine);
baseLineCache[serverClass.id] = entity.clone();
if (staticBaseLine.bitsLeft > 7) {
// console.log(staticBaseLine.length, staticBaseLine.index);
// throw new Error('Unexpected data left at the end of staticBaseline, ' + staticBaseLine.bitsLeft + ' bits left');
}
}
return entity;
}
return entity;
}
function getPacketEntityForExisting(entityId: number, match: Match, pvs: PVS) {
@ -79,29 +77,19 @@ export function PacketEntities(stream: BitStream, match: Match): PacketEntitiesP
const end = stream.index + length;
let entityId = -1;
if (updatedBaseLine) {
if (baseLine === 0) {
match.instanceBaselines[1] = match.instanceBaselines[0];
match.instanceBaselines[0] = new Array((1 << 11)); // array of SendPropDefinition with size MAX_EDICTS
} else {
match.instanceBaselines[0] = match.instanceBaselines[1];
match.instanceBaselines[1] = new Array((1 << 11)); // array of SendPropDefinition with size MAX_EDICTS
}
}
const receivedEntities: PacketEntity[] = [];
for (let i = 0; i < updatedEntries; i++) {
const diff = readUBitVar(stream);
entityId += 1 + diff;
const pvs = readPVSType(stream);
if (pvs === PVS.ENTER) {
const packetEntity = readEnterPVS(stream, entityId, match, baseLine);
const packetEntity = readEnterPVS(stream, entityId, match);
applyEntityUpdate(packetEntity, match.getSendTable(packetEntity.serverClass.dataTable), stream);
if (updatedBaseLine) {
const newBaseLine: SendProp[] = [];
newBaseLine.concat(packetEntity.props);
match.instanceBaselines[baseLine][entityId] = newBaseLine;
baseLineCache[packetEntity.serverClass.id] = packetEntity.clone();
}
packetEntity.inPVS = true;
receivedEntities.push(packetEntity);