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Code Issues Releases Wiki Activity

fix writing empty string tables

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This commit is contained in:
Robin Appelman 2017-09-29 21:11:38 +02:00
commit dd5833c77e
1 changed files with 9 additions and 5 deletions
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14
src/Parser/Packet/CreateStringTable.ts
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@ -56,6 +56,7 @@ export function ParseCreateStringTable(stream: BitStream): CreateStringTablePack
fixedUserDataSizeBits: userDataSizeBits
};
// console.log(`${tableName} ${entityCount} ${bitCount}`);
table.entries = parseStringTableEntries(data, table, entityCount);
return {
@ -68,7 +69,8 @@ export function EncodeCreateStringTable(packet: CreateStringTablePacket, stream:
stream.writeASCIIString(packet.table.name);
stream.writeUint16(packet.table.maxEntries);
const encodeBits = logBase2(packet.table.maxEntries);
stream.writeBits(packet.table.entries.length, encodeBits + 1);
const numEntries = packet.table.entries.filter((entry) => entry).length;
stream.writeBits(numEntries, encodeBits + 1);
const entryData = new BitStream(new ArrayBuffer(guessStringTableEntryLength(packet.table, packet.table.entries)));
encodeStringTableEntries(entryData, packet.table, packet.table.entries);
@ -78,10 +80,10 @@ export function EncodeCreateStringTable(packet: CreateStringTablePacket, stream:
writeVarInt(entryLength, stream);
if (packet.table.fixedUserDataSize && packet.table.fixedUserDataSizeBits) {
if (packet.table.fixedUserDataSize || packet.table.fixedUserDataSizeBits) {
stream.writeBoolean(true);
stream.writeBits(packet.table.fixedUserDataSize, 12);
stream.writeBits(packet.table.fixedUserDataSizeBits, 4);
stream.writeBits(packet.table.fixedUserDataSize || 0, 12);
stream.writeBits(packet.table.fixedUserDataSizeBits || 0, 4);
} else {
stream.writeBoolean(false);
}
@ -89,5 +91,7 @@ export function EncodeCreateStringTable(packet: CreateStringTablePacket, stream:
// we never compress table data
stream.writeBoolean(false);
stream.writeBitStream(entryData, entryLength);
if (entryLength) {
stream.writeBitStream(entryData, entryLength);
}
}