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Forge client example pings server to get forgeMods list

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Avoids the need to hardcode the mod list in the client, in order to
successfully connect to arbitrary Forge servers (with various mods).
This commit is contained in:
deathcap 2016-01-23 20:01:04 -08:00
parent 0b45b439bc
commit 283b75d694
1 changed files with 64 additions and 42 deletions
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106
examples/client_forge/client_forge.js
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@ -7,38 +7,10 @@ if(process.argv.length < 4 || process.argv.length > 6) {
process.exit(1);
}
var client = mc.createClient({
forge: true,
// Client/server mods installed on the client
// TODO: send from ServerListPing packet
forgeMods:
[
{modid:'IronChest', version:'6.0.121.768'}
],
host: process.argv[2],
port: parseInt(process.argv[3]),
username: process.argv[4] ? process.argv[4] : "echo",
password: process.argv[5]
});
client.on('connect', function() {
console.info('connected');
});
client.on('disconnect', function(packet) {
console.log('disconnected: '+ packet.reason);
});
client.on('end', function(err) {
console.log('Connection lost');
});
client.on('chat', function(packet) {
var jsonMsg = JSON.parse(packet.message);
if(jsonMsg.translate == 'chat.type.announcement' || jsonMsg.translate == 'chat.type.text') {
var username = jsonMsg.with[0].text;
var msg = jsonMsg.with[1];
if(username === client.username) return;
client.write('chat', {message: msg});
}
});
var host = process.argv[2];
var port = parseInt(process.argv[3]);
var username = process.argv[4] ? process.argv[4] : "echo";
var password = process.argv[5];
var proto = new ProtoDef();
// copied from ../../dist/transforms/serializer.js TODO: refactor
@ -299,16 +271,66 @@ function fmlHandshakeStep(client, data)
}
}
client.on('custom_payload', function(packet) {
var channel = packet.channel;
var data = packet.data;
//var forgeMods; // = [ {modid:'IronChest', version:'6.0.121.768'} ];
if (channel === 'REGISTER') {
var channels = data.toString().split('\0');
console.log('Server-side registered channels:',channels);
// TODO: do something?
// expect: [ 'FML|HS', 'FML', 'FML|MP', 'FML', 'FORGE' ]
} else if (channel === 'FML|HS') {
fmlHandshakeStep(client, data);
mc.ping({host, port}, function(err, response) {
if (err) throw err;
console.log('ping response',response);
if (!response.modinfo || response.modinfo.type !== 'FML') {
throw new Error('not an FML server, aborting connection');
// TODO: gracefully connect non-FML
// TODO: could also use ping pre-connect to save description, type, negotiate protocol etc.
}
// Use the list of Forge mods from the server ping, so client will match server
var forgeMods = response.modinfo.modList;
console.log('Using forgeMods:',forgeMods);
var client = mc.createClient({
forge: true,
forgeMods: forgeMods,
// Client/server mods installed on the client
// if not specified, pings server and uses its list
/*
forgeMods:
*/
host: host,
port: port,
username: username,
password: password
});
client.on('connect', function() {
console.info('connected');
});
client.on('disconnect', function(packet) {
console.log('disconnected: '+ packet.reason);
});
client.on('end', function(err) {
console.log('Connection lost');
});
client.on('chat', function(packet) {
var jsonMsg = JSON.parse(packet.message);
if(jsonMsg.translate == 'chat.type.announcement' || jsonMsg.translate == 'chat.type.text') {
var username = jsonMsg.with[0].text;
var msg = jsonMsg.with[1];
if(username === client.username) return;
client.write('chat', {message: msg});
}
});
client.on('custom_payload', function(packet) {
var channel = packet.channel;
var data = packet.data;
if (channel === 'REGISTER') {
var channels = data.toString().split('\0');
console.log('Server-side registered channels:',channels);
// TODO: do something?
// expect: [ 'FML|HS', 'FML', 'FML|MP', 'FML', 'FORGE' ]
} else if (channel === 'FML|HS') {
fmlHandshakeStep(client, data);
}
});
});