demo-interp/build/index.js
2020-01-16 22:01:11 +02:00

277 lines
No EOL
12 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const bit_buffer_1 = require("bit-buffer");
const fs_1 = require("fs");
const DynamicBitStream_1 = require("@demostf/demo.js/build/DynamicBitStream");
const Message_1 = require("@demostf/demo.js/build/Data/Message");
const Parser_1 = require("@demostf/demo.js/build/Parser");
const Encoder_1 = require("@demostf/demo.js/build/Encoder");
function lerp(start, end, amount) {
return start + (end - start) * amount;
}
function circleLerp(start, end, amount) {
var shortestAngle = ((((end - start) % 360) + 540) % 360) - 180;
return start + (shortestAngle * amount) % 360;
}
function interpEntity(start, end, amount) {
var names = [
"m_vecOrigin",
"m_vecOrigin[2]",
"m_angRotation",
"m_angEyeAngles[0]",
"m_angEyeAngles[1]",
"m_angCustomModelRotation",
"m_vecPunchAngle",
"m_vecViewOffset[0]",
"m_vecViewOffset[1]",
"m_vecViewOffset[2]",
"m_vecBaseVelocity",
"m_vecVelocity[0]",
"m_vecVelocity[1]",
"m_vecVelocity[2]",
"m_vecMins",
"m_vecMaxs",
"m_vecSpecifiedSurroundingMinsPreScaled",
"m_vecSpecifiedSurroundingMaxsPreScaled",
"m_vecSpecifiedSurroundingMins",
"m_vecSpecifiedSurroundingMaxs",
"m_vecMinsPreScaled",
"m_vecMaxsPreScaled",
"m_vecConstraintCenter",
"m_vecCustomModelOffset",
"m_vecForce",
];
// numbers
for (let prop1 of start.props) {
if (!names.includes(prop1.definition.name))
continue;
if (typeof prop1.value !== "number")
continue;
for (let prop2 of end.props) {
if (!names.includes(prop2.definition.name))
continue;
if (typeof prop2.value !== "number")
continue;
if (prop1.definition.name !== prop2.definition.name)
continue;
if (prop1.definition.table !== prop2.definition.table)
continue;
if (prop1.definition.ownerTableName !== prop2.definition.ownerTableName)
continue;
if (prop1.definition.bitCount !== prop2.definition.bitCount)
continue;
if (prop1.definition.flags !== prop2.definition.flags)
continue;
if (prop1.definition.lowValue === 0 && prop1.definition.highValue === 360) {
// angles clamped to 0-360
//console.log(`Circle: ${prop1.definition.name} (${prop1.value})`);
prop1.value = circleLerp(prop1.value, prop2.value, amount);
}
else {
//console.log(`Linear: ${prop1.definition.name} (${prop1.value})`);
prop1.value = lerp(prop1.value, prop2.value, amount);
}
}
}
// vectors
var keys = ["x", "y", "z"];
for (let prop1 of start.props) {
if (!names.includes(prop1.definition.name))
continue;
if (typeof prop1.value !== "object")
continue;
if (Object.keys(prop1.value).length !== 3)
continue;
var cont = false;
for (var i = 0; i < keys.length; i++) {
if (!Object.keys(prop1.value).includes(keys[i])) {
cont = true;
break;
}
}
if (cont)
continue;
for (let prop2 of end.props) {
if (!names.includes(prop2.definition.name))
continue;
if (typeof prop2.value !== "object")
continue;
if (Object.keys(prop2.value).length !== 3)
continue;
for (var i = 0; i < keys.length; i++) {
if (!Object.keys(prop2.value).includes(keys[i])) {
cont = true;
break;
}
}
if (cont)
continue;
if (prop1.definition.name !== prop2.definition.name)
continue;
if (prop1.definition.table !== prop2.definition.table)
continue;
if (prop1.definition.ownerTableName !== prop2.definition.ownerTableName)
continue;
if (prop1.definition.bitCount !== prop2.definition.bitCount)
continue;
if (prop1.definition.flags !== prop2.definition.flags)
continue;
for (const key of keys) {
prop1.value[key] = lerp(prop1.value[key], prop2.value[key], amount);
}
}
}
return start;
}
function incrementEntityTicks(entity, amount) {
var names = [
"m_nTickBase",
"m_flSimulationTime"
];
for (let prop of entity.props) {
if (names.includes(prop.definition.name)) {
prop.value = prop.value + amount;
}
}
return entity;
}
class InterpTransformer extends Parser_1.Parser {
constructor(sourceStream, targetStream) {
super(sourceStream);
this.encoder = new Encoder_1.Encoder(targetStream);
}
writeMessage(message) {
this.parserState.handleMessage(message);
if (message.type === Message_1.MessageType.Packet) {
for (const packet of message.packets) {
this.parserState.handlePacket(packet);
}
}
this.encoder.writeMessage(message);
}
transform() {
const header = this.getHeader();
header.frames *= 4;
//console.log(header);
this.encoder.encodeHeader(header);
var prevProgressPrint = 0;
var prevPacketMessage = null;
var synced = false;
var skippedFirst = false;
for (let message of this.iterateMessages()) {
if (message.type === Message_1.MessageType.SyncTick) {
// <Header>
// <Packet>
// <DataTables>
// <StringTables>
// <Packet>
// <Packet>
// <SyncTick>
// <Packet> | tick 4, the fat network packet - probably contains initial states of everything
// <Packet> | tick 8, delta packets start here?; i think we only want to manipulate these ones
// ...
// <Stop>
synced = true;
}
if (synced && skippedFirst && message.type === Message_1.MessageType.Packet) {
if (prevPacketMessage) {
message.sequenceIn = prevPacketMessage.sequenceIn + 4;
message.sequenceOut = prevPacketMessage.sequenceOut + 4;
prevPacketMessage.packets = prevPacketMessage.packets.filter((value, index, arr) => {
//if (!["netTick", "packetEntities"].includes(value.packetType)) console.log(`REMOVING ${value.packetType}`);
return ["netTick", "packetEntities"].includes(value.packetType);
});
for (let i = 0; i < 3; i++) {
prevPacketMessage.tick++;
prevPacketMessage.sequenceIn++;
prevPacketMessage.sequenceOut++;
for (let packet of prevPacketMessage.packets) {
// FIXME: chat messages are duplicated 4 times,
// should probably remove chat packets here.
// Figure out if we can remove other types too.
if (packet.packetType === "netTick") {
packet.tick++;
continue;
}
if (packet.packetType === "packetEntities") {
for (let entity of packet.entities) {
// if (entity.entityIndex > 64) {
// // max players
// break;
// }
// if (entity.serverClass.name !== "CTFPlayer") {
// continue;
// }
// Loop through new message and interp
for (let newPacket of message.packets) {
if (newPacket.packetType !== "packetEntities") {
continue;
}
for (let newEntity of newPacket.entities) {
// if (newEntity.entityIndex > 64) {
// // max players
// break;
// }
// if (newEntity.serverClass.name !== "CTFPlayer") {
// continue;
// }
if (newEntity.entityIndex !== entity.entityIndex) {
continue;
}
// We interpolate same entity multiple times,
// edit interp amount appropriately.
// TODO: figure out formula for this...
// 0 -> 0.25 = 0.25
// 0.25 -> 0.5 = 1/3
// 0.5 -> 0.75 = 0.5
var interp = 0.25;
if (i == 1)
interp = 1 / 3;
else if (i == 2)
interp = 0.5;
entity = interpEntity(entity, newEntity, interp);
entity = incrementEntityTicks(entity, 1);
newEntity = incrementEntityTicks(newEntity, 1);
}
}
}
}
}
//console.log(`interp tick: ${prevPacketMessage.tick}, in: ${prevPacketMessage.sequenceIn}, out: ${prevPacketMessage.sequenceOut}`);
this.writeMessage(prevPacketMessage);
}
}
prevPacketMessage = message;
if (message.tick > prevProgressPrint + 10000) {
prevProgressPrint += 10000;
console.log(`Progress: ${message.tick} / ${header.ticks}`);
}
}
if (synced && !skippedFirst && message.type === Message_1.MessageType.Packet) {
// Skip first packet
skippedFirst = true;
}
// if (message.type === MessageType.Packet) {
// console.log(`tick: ${message.tick}, in: ${message.sequenceIn}, out: ${message.sequenceOut}`);
// }
// Write current message
this.writeMessage(message);
}
}
}
/**
* Interpolate demo files by filling out the gaps between Packets.
* @param input - Input demofile name
* @param output - Output demofile name
*/
function interp(input, output) {
const decodeStream = new bit_buffer_1.BitStream(fs_1.readFileSync(input).buffer);
const encodeStream = new DynamicBitStream_1.DynamicBitStream(32 * 1024 * 1024);
const transformer = new InterpTransformer(decodeStream, encodeStream);
transformer.transform();
const encodedLength = encodeStream.index;
encodeStream.index = 0;
fs_1.writeFileSync(output, encodeStream.readArrayBuffer(Math.ceil(encodedLength / 8)));
}
exports.interp = interp;
//# sourceMappingURL=index.js.map