node-gamedig/protocols/ase.js

class Ase extends require('./core') {
    run(state) {
        this.udpSend('s',(buffer) => {
            const reader = this.reader(buffer);

            const header = reader.string({length:4});
            if(header !== 'EYE1') return;

            state.raw.gamename = this.readString(reader);
            state.raw.port = parseInt(this.readString(reader));
            state.name = this.readString(reader);
            state.raw.gametype = this.readString(reader);
            state.map = this.readString(reader);
            state.raw.version = this.readString(reader);
            state.password = this.readString(reader) === '1';
            state.raw.numplayers = parseInt(this.readString(reader));
            state.maxplayers = parseInt(this.readString(reader));

            while(!reader.done()) {
                const key = this.readString(reader);
                if(!key) break;
                const value = this.readString(reader);
                state.raw[key] = value;
            }

            while(!reader.done()) {
                const flags = reader.uint(1);
                const player = {};
                if(flags & 1) player.name = this.readString(reader);
                if(flags & 2) player.team = this.readString(reader);
                if(flags & 4) player.skin = this.readString(reader);
                if(flags & 8) player.score = parseInt(this.readString(reader));
                if(flags & 16) player.ping = parseInt(this.readString(reader));
                if(flags & 32) player.time = parseInt(this.readString(reader));
                state.players.push(player);
            }

            this.finish(state);
        });
    }

    readString(reader) {
        const len = reader.uint(1);
        return reader.string({length:len-1});
    }
}

module.exports = Ase;