demostf/demo.js
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Code Issues Releases Wiki Activity

add encoder for usermessage

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This commit is contained in:
Robin Appelman 2017-09-03 22:50:46 +02:00
commit 55abaaff7a
5 changed files with 109 additions and 12 deletions
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2
src/Parser/Packet/ParserGenerator.ts
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@ -1,4 +1,4 @@
import {Packet, PacketMapType, PacketType} from '../../Data/Packet';
import {PacketMapType, PacketType} from '../../Data/Packet';
import {Encoder, PacketHandler, Parser} from './Parser';
import {BitStream} from 'bit-buffer';

39
src/Parser/Packet/UserMessage.ts
View file

@ -22,8 +22,6 @@ function unknownPacketHandler<T extends UnknownUserMessagePacket['packetType']>(
},
encoder: (packet: UnknownUserMessageBasePacket, data: BitStream) => {
packet.data.index = 0;
data.writeUint8(packet.type);
data.writeBits(packet.data.length, 11);
data.writeBitStream(packet.data);
packet.data.index = 0;
}
@ -32,7 +30,7 @@ function unknownPacketHandler<T extends UnknownUserMessagePacket['packetType']>(
const userMessageParsers: Map<UserMessageType, PacketHandler<UserMessagePacket>> = new Map<UserMessageType, PacketHandler<UserMessagePacket>>([
[UserMessageType.SayText2, {parser: ParseSayText2, encoder: EncodeSayText2}],
[UserMessageType.TextMsg, make('textMsg', 'destType{8}text{s}')],
[UserMessageType.TextMsg, make('textMsg', 'destType{8}text{s}substitute1{s}substitute2{s}substitute3{s}substitute4{s}')],
[UserMessageType.ResetHUD, make('resetHUD', 'data{8}')],
[UserMessageType.Train, make('train', 'data{8}')],
[UserMessageType.VoiceSubtitle, make('voiceSubtitle', 'client{8}menu{8}item{8}')],
@ -41,6 +39,7 @@ const userMessageParsers: Map<UserMessageType, PacketHandler<UserMessagePacket>>
]);
export function ParseUserMessage(stream: BitStream): UserMessagePacket { // 23: user message
const s = stream.index;
const type = stream.readUint8();
const length = stream.readBits(11);
const messageData = stream.readBitStream(length);
@ -57,3 +56,37 @@ export function ParseUserMessage(stream: BitStream): UserMessagePacket { // 23:
return handler.parser(messageData);
}
}
export function EncodeUserMessage(packet: UserMessagePacket, stream: BitStream) {
if (packet.packetType === 'unknownUserMessage') {
stream.writeUint8(packet.type);
stream.writeBits(packet.data.length, 11);
packet.data.index = 0;
stream.writeBitStream(packet.data);
packet.data.index = 0;
} else {
const messageType = UserMessagePacketTypeMap.get(packet.packetType);
if (!messageType) {
throw new Error(`Unknown userMessage type ${messageType}`);
}
stream.writeUint8(messageType);
const lengthStart = stream.index;
stream.index += 11;
const messageDataStart = stream.index;
const handler = userMessageParsers.get(messageType);
if (!handler) {
throw new Error(`No encoder for userMessage ${packet.packetType}(${messageType})`);
}
handler.encoder(packet, stream);
const messageDataEnd = stream.index;
stream.index = lengthStart;
stream.writeBits(messageDataEnd - messageDataStart, 11);
stream.index = messageDataEnd;
}
}