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70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
const Core = require('./core');
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class Starmade extends Core {
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constructor() {
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super();
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this.encoding = 'latin1';
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this.byteorder = 'be';
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}
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async run(state) {
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const b = Buffer.from([0x00,0x00,0x00,0x09,0x2a,0xff,0xff,0x01,0x6f,0x00,0x00,0x00,0x00]);
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const payload = await this.withTcp(async socket => {
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return await this.tcpSend(socket, b, buffer => {
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if (buffer.length < 12) return;
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const reader = this.reader(buffer);
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const packetLength = reader.uint(4);
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this.logger.debug("Received packet length: " + packetLength);
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const timestamp = reader.uint(8).toString();
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this.logger.debug("Received timestamp: " + timestamp);
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if (reader.remaining() < packetLength || reader.remaining() < 5) return;
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const checkId = reader.uint(1);
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const packetId = reader.uint(2);
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const commandId = reader.uint(1);
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const type = reader.uint(1);
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this.logger.debug("checkId=" + checkId + " packetId=" + packetId + " commandId=" + commandId + " type=" + type);
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if (checkId !== 0x2a) return;
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return reader.rest();
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});
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});
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const reader = this.reader(payload);
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const data = [];
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state.raw.data = data;
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while(!reader.done()) {
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const mark = reader.uint(1);
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if(mark === 1) {
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// signed int
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data.push(reader.int(4));
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} else if(mark === 3) {
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// float
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data.push(reader.float());
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} else if(mark === 4) {
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// string
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data.push(reader.pascalString(2));
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} else if(mark === 6) {
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// byte
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data.push(reader.uint(1));
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}
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}
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this.logger.debug("Received raw data array", data);
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if(typeof data[0] === 'number') state.raw.infoVersion = data[0];
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if(typeof data[1] === 'number') state.raw.version = data[1];
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if(typeof data[2] === 'string') state.name = data[2];
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if(typeof data[3] === 'string') state.raw.description = data[3];
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if(typeof data[4] === 'number') state.raw.startTime = data[4];
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if(typeof data[5] === 'number') state.players.setNum(data[5]);
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if(typeof data[6] === 'number') state.maxplayers = data[6];
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}
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}
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module.exports = Starmade;
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