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Code Issues Releases Wiki Activity

add encoder for stringtable message

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This commit is contained in:
Robin Appelman 2017-09-26 01:22:55 +02:00
commit 9820e0fc57
6 changed files with 164 additions and 30 deletions
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99
src/Parser/Message/StringTable.ts
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@ -12,36 +12,26 @@ export const StringTableHandler: MessageHandler<StringTablesMessage> = {
// https://github.com/StatsHelix/demoinfo/blob/3d28ea917c3d44d987b98bb8f976f1a3fcc19821/DemoInfo/ST/StringTableParser.cs
const tableCount = messageStream.readUint8();
const tables: StringTableObject[] = [];
let extraDataLength;
for (let i = 0; i < tableCount; i++) {
const entries: StringTableEntry[] = [];
const tableName = messageStream.readASCIIString();
const entryCount = messageStream.readUint16();
for (let j = 0; j < entryCount; j++) {
let entry: StringTableEntry;
try {
entry = {
text: messageStream.readUTF8String(),
};
} catch (e) {
return {
type: MessageType.StringTables,
tick,
rawData: messageStream,
tables,
};
}
const entry: StringTableEntry = {
text: messageStream.readUTF8String(),
};
if (messageStream.readBoolean()) {
extraDataLength = messageStream.readUint16();
const extraDataLength = messageStream.readUint16();
if ((extraDataLength * 8) > messageStream.bitsLeft) {
// extradata to long, can't continue parsing the tables
// seems to happen in POV demos after the MyM update
return {
type: MessageType.StringTables,
tick,
rawData: messageStream,
tables,
};
throw new Error(`to long extraData ${extraDataLength} from ${messageStream.bitsLeft}`);
// return {
// type: MessageType.StringTables,
// tick,
// rawData: messageStream,
// tables,
// };
}
entry.extraData = messageStream.readBitStream(extraDataLength * 8);
}
@ -52,15 +42,16 @@ export const StringTableHandler: MessageHandler<StringTablesMessage> = {
name: tableName,
maxEntries: entryCount,
};
tables.push(table);
if (messageStream.readBits(1)) {
messageStream.readASCIIString();
if (messageStream.readBits(1)) {
// throw 'more extra data not implemented';
extraDataLength = messageStream.readBits(16);
messageStream.readBits(extraDataLength);
if (messageStream.readBoolean()) {
table.tableEntry = {text: messageStream.readASCIIString()};
if (messageStream.readBoolean()) {
const extraDataLength = messageStream.readBits(16);
table.tableEntry.extraData = messageStream.readBitStream(extraDataLength);
}
}
tables.push(table);
}
return {
type: MessageType.StringTables,
@ -70,6 +61,56 @@ export const StringTableHandler: MessageHandler<StringTablesMessage> = {
};
},
encodeMessage: (message, stream) => {
throw new Error('Not implemented');
stream.writeUint32(message.tick);
const lengthStart = stream.index;
stream.index += 32;
const dataStart = stream.index;
stream.writeUint8(message.tables.length);
for (const table of message.tables) {
stream.writeASCIIString(table.name);
stream.writeUint16(table.entries.length);
for (const entry of table.entries) {
stream.writeUTF8String(entry.text);
if (entry.extraData) {
stream.writeBoolean(true);
stream.writeUint16(Math.ceil(entry.extraData.length / 8));
entry.extraData.index = 0;
stream.writeBitStream(entry.extraData, entry.extraData.length);
} else {
stream.writeBoolean(false);
}
}
if (table.tableEntry) {
stream.writeBoolean(true);
stream.writeASCIIString(table.tableEntry.text);
if (table.tableEntry.extraData) {
stream.writeBoolean(true);
stream.writeUint16(table.tableEntry.extraData.length);
table.tableEntry.extraData.index = 0;
stream.writeBitStream(table.tableEntry.extraData, table.tableEntry.extraData.length);
} else {
stream.writeBoolean(false);
}
} else {
stream.writeBoolean(false);
}
}
const dataEnd = stream.index;
stream.index = lengthStart;
const byteLength = Math.ceil((dataEnd - dataStart) / 8);
stream.writeUint32(byteLength);
// align to byte;
stream.index = dataStart + byteLength * 8;
}
};