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Add Gamespy 1 and 2 protocol support

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Michael Morrison 2014-02-01 09:46:07 -06:00
parent d5b4310cef
commit 6680c2dfa2
2 changed files with 163 additions and 0 deletions
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78
games/protocols/gamespy2.js Normal file
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module.exports = require('./core').extend({
init: function() {
this._super();
this.sessionId = 1;
this.encoding = 'latin1';
this.byteorder = 'be';
},
run: function(state) {
var self = this;
var request = new Buffer([0xfe,0xfd,0x00,0x00,0x00,0x00,0x01,0xff,0xff,0xff]);
this.udpSend(request,function(buffer) {
var reader = self.reader(buffer);
var header = reader.uint(1);
if(header != 0) return;
var pingId = reader.uint(4);
if(pingId != 1) return;
while(!reader.done()) {
var key = reader.string();
var value = reader.string();
if(!key) break;
state.raw[key] = value;
}
if('hostname' in state.raw) state.name = state.raw.hostname;
if('mapname' in state.raw) state.map = state.raw.mapname;
if(state.raw.password == '1') state.password = true;
if('maxplayers' in state.raw) state.maxplayers = parseInt(state.raw.maxplayers);
state.players = self.readFieldData(reader);
state.raw.teams = self.readFieldData(reader);
self.finish(state);
return true;
});
},
readFieldData: function(reader) {
var count = reader.uint(1);
// count is unreliable (often it's wrong), so we don't use it.
// read until we hit an empty first field string
if(this.debug)
console.log("Reading fields, starting at: "+reader.rest());
var fields = [];
while(!reader.done()) {
var field = reader.string();
if(!field) break;
if(field.charCodeAt(0) <= 2) field = field.substring(1);
fields.push(field);
if(this.debug) console.log("field:"+field);
}
var units = [];
outer: while(!reader.done()) {
var unit = {};
for(var iField = 0; iField < fields.length; iField++) {
var key = fields[iField];
var value = reader.string();
if(!value && iField == 0) break outer;
if(this.debug) console.log("value:"+value);
if(key == 'player_') key = 'name';
else if(key == 'score_') key = 'score';
else if(key == 'deaths_') key = 'deaths';
else if(key == 'ping_') key = 'ping';
else if(key == 'team_') key = 'team';
else if(key == 'kills_') key = 'kills';
else if(key == 'team_t') key = 'name';
else if(key == 'tickets_t') key = 'tickets';
unit[key] = value;
}
units.push(unit);
}
return units;
}
});