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Add openttd support

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Michael Morrison 2014-11-18 00:43:33 -06:00
parent b8d41ef318
commit 0fe80d14e7
5 changed files with 165 additions and 2 deletions
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151
protocols/openttd.js Normal file
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var async = require('async'),
moment = require('moment');
module.exports = require('./core').extend({
run: function(state) {
var self = this;
async.series([
function(c) {
var b = new Buffer([0x03,0x00,0x00]);
self.query(0,1,1,4,function(reader, version) {
if(version >= 4) {
var numGrf = reader.uint(1);
state.raw.grfs = [];
console.log("GRF", numGrf);
for(var i = 0; i < numGrf; i++) {
var grf = {};
grf.id = reader.part(4).toString('hex');
grf.md5 = reader.part(16).toString('hex');
state.raw.grfs.push(grf);
}
}
if(version >= 3) {
state.raw.date_current = self.readDate(reader);
state.raw.date_start = self.readDate(reader);
}
if(version >= 2) {
state.raw.maxcompanies = reader.uint(1);
state.raw.numcompanies = reader.uint(1);
state.raw.maxspectators = reader.uint(1);
}
state.name = reader.string();
state.raw.version = reader.string();
state.raw.language = self.decode(
reader.uint(1),
['any','en','de','fr']
);
state.password = !!reader.uint(1);
state.maxplayers = reader.uint(1);
state.raw.numplayers = reader.uint(1);
for(var i = 0; i < state.raw.numplayers; i++) {
state.players.push({});
}
state.raw.spectators = reader.uint(1);
state.map = reader.string();
state.raw.map_width = reader.uint(2);
state.raw.map_height = reader.uint(2);
state.raw.landscape = self.decode(
reader.uint(1),
['temperate','arctic','desert','toyland']
);
state.raw.dedicated = !!reader.uint(1);
c();
});
},
function(c) {
var vehicle_types = ['train','truck','bus','aircraft','ship'];
var station_types = ['station','truckbay','busstation','airport','dock'];
self.query(2,3,-1,-1, function(reader,version) {
// we don't know how to deal with companies outside version 6
if(version != 6) return c();
state.raw.companies = [];
var numCompanies = reader.uint(1);
for(var iCompany = 0; iCompany < numCompanies; iCompany++) {
var company = {};
company.id = reader.uint(1);
company.name = reader.string();
company.year_start = reader.uint(4);
company.value = reader.uint(8);
company.money = reader.uint(8);
company.income = reader.uint(8);
company.performance = reader.uint(2);
company.password = !!reader.uint(1);
company.vehicles = {};
for(var i = 0; i < vehicle_types.length; i++) {
company.vehicles[vehicle_types[i]] = reader.uint(2);
}
company.stations = {};
for(var i = 0; i < station_types.length; i++) {
company.stations[station_types[i]] = reader.uint(2);
}
company.clients = reader.string();
state.raw.companies.push(company);
}
c();
});
},
function(c) {
self.finish(state);
}
]);
},
query: function(type,expected,minver,maxver,done) {
var self = this;
var b = new Buffer([0x03,0x00,type]);
self.udpSend(b,function(buffer) {
var reader = self.reader(buffer);
var packetLen = reader.uint(2);
if(packetLen != buffer.length) {
self.fatal('Invalid reported packet length: '+packetLen+' '+buffer.length);
return true;
}
var packetType = reader.uint(1);
if(packetType != expected) {
self.fatal('Unexpected response packet type: '+packetType);
return true;
}
var protocolVersion = reader.uint(1);
if((minver != -1 && protocolVersion < minver) || (maxver != -1 && protocolVersion > maxver)) {
self.fatal('Unknown protocol version: '+protocolVersion+' Expected: '+minver+'-'+maxver);
return true;
}
done(reader,protocolVersion);
return true;
});
},
readDate: function(reader) {
var daysSinceZero = reader.uint(4);
var temp = new Date(0,0,1);
temp.setFullYear(0);
temp.setDate(daysSinceZero+1);
return moment(temp).format('YYYY-MM-DD');
},
decode: function(num,arr) {
if(num < 0 || num >= arr.length) {
return num;
}
return arr[num];
}
});