99 lines
2.8 KiB
JavaScript
99 lines
2.8 KiB
JavaScript
class Gamespy2 extends require('./core') {
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constructor() {
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super();
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this.sessionId = 1;
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this.encoding = 'latin1';
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this.byteorder = 'be';
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}
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run(state) {
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const request = Buffer.from([0xfe,0xfd,0x00,0x00,0x00,0x00,0x01,0xff,0xff,0xff]);
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const packets = [];
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this.udpSend(request,
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(buffer) => {
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if(packets.length && buffer.readUInt8(0) === 0)
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buffer = buffer.slice(1);
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packets.push(buffer);
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},
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() => {
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const buffer = Buffer.concat(packets);
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const reader = this.reader(buffer);
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const header = reader.uint(1);
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if(header !== 0) return;
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const pingId = reader.uint(4);
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if(pingId !== 1) return;
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while(!reader.done()) {
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const key = reader.string();
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const value = reader.string();
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if(!key) break;
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state.raw[key] = value;
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}
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if('hostname' in state.raw) state.name = state.raw.hostname;
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if('mapname' in state.raw) state.map = state.raw.mapname;
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if(this.trueTest(state.raw.password)) state.password = true;
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if('maxplayers' in state.raw) state.maxplayers = parseInt(state.raw.maxplayers);
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state.players = this.readFieldData(reader);
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state.raw.teams = this.readFieldData(reader);
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this.finish(state);
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return true;
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}
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);
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}
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readFieldData(reader) {
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const count = reader.uint(1);
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// count is unreliable (often it's wrong), so we don't use it.
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// read until we hit an empty first field string
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if(this.debug) console.log("Reading fields, starting at: "+reader.rest());
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const fields = [];
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while(!reader.done()) {
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let field = reader.string();
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if(!field) break;
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if(field.charCodeAt(0) <= 2) field = field.substring(1);
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fields.push(field);
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if(this.debug) console.log("field:"+field);
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}
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const units = [];
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outer: while(!reader.done()) {
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const unit = {};
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for(let iField = 0; iField < fields.length; iField++) {
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let key = fields[iField];
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let value = reader.string();
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if(!value && iField === 0) break outer;
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if(this.debug) console.log("value:"+value);
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if(key === 'player_') key = 'name';
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else if(key === 'score_') key = 'score';
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else if(key === 'deaths_') key = 'deaths';
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else if(key === 'ping_') key = 'ping';
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else if(key === 'team_') key = 'team';
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else if(key === 'kills_') key = 'kills';
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else if(key === 'team_t') key = 'name';
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else if(key === 'tickets_t') key = 'tickets';
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if(
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key === 'score' || key === 'deaths'
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|| key === 'ping' || key === 'team'
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|| key === 'kills' || key === 'tickets'
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) {
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if(value === '') continue;
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value = parseInt(value);
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}
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unit[key] = value;
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}
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units.push(unit);
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}
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return units;
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}
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}
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module.exports = Gamespy2;
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