Improve starmade protocol

This commit is contained in:
mmorrison 2019-02-05 03:19:06 -06:00
parent eba10df217
commit 2ffeda6098
2 changed files with 33 additions and 17 deletions

View file

@ -102,15 +102,21 @@ class Core extends EventEmitter {
if (typeof state.players === 'number') { if (typeof state.players === 'number') {
const num = state.players; const num = state.players;
state.players = []; state.players = [];
for (let i = 0; i < num; i++) { state.raw.rcvNumPlayers = num;
state.players.push({}); if (num < 10000) {
for (let i = 0; i < num; i++) {
state.players.push({});
}
} }
} }
if (typeof state.bots === 'number') { if (typeof state.bots === 'number') {
const num = state.bots; const num = state.bots;
state.bots = []; state.bots = [];
for (let i = 0; i < num; i++) { state.raw.rcvNumBots = num;
state.bots.push({}); if (num < 10000) {
for (let i = 0; i < num; i++) {
state.bots.push({});
}
} }
} }

View file

@ -12,10 +12,22 @@ class Starmade extends Core {
const payload = await this.withTcp(async socket => { const payload = await this.withTcp(async socket => {
return await this.tcpSend(socket, b, buffer => { return await this.tcpSend(socket, b, buffer => {
if (buffer.length < 4) return; if (buffer.length < 12) return;
const reader = this.reader(buffer); const reader = this.reader(buffer);
const packetLength = reader.uint(4); const packetLength = reader.uint(4);
if (buffer.length < packetLength + 12) return; this.logger.debug("Received packet length: " + packetLength);
const timestamp = reader.uint(8);
this.logger.debug("Received timestamp: " + timestamp);
if (reader.remaining() < packetLength || reader.remaining() < 5) return;
const checkId = reader.uint(1);
const packetId = reader.uint(2);
const commandId = reader.uint(1);
const type = reader.uint(1);
this.logger.debug("checkId=" + checkId + " packetId=" + packetId + " commandId=" + commandId + " type=" + type);
if (checkId !== 0x2a) return;
return reader.rest(); return reader.rest();
}); });
}); });
@ -25,7 +37,6 @@ class Starmade extends Core {
const data = []; const data = [];
state.raw.data = data; state.raw.data = data;
reader.skip(2);
while(!reader.done()) { while(!reader.done()) {
const mark = reader.uint(1); const mark = reader.uint(1);
if(mark === 1) { if(mark === 1) {
@ -36,23 +47,22 @@ class Starmade extends Core {
data.push(reader.float()); data.push(reader.float());
} else if(mark === 4) { } else if(mark === 4) {
// string // string
const length = reader.uint(2); data.push(reader.pascalString(2));
data.push(reader.string(length));
} else if(mark === 6) { } else if(mark === 6) {
// byte // byte
data.push(reader.uint(1)); data.push(reader.uint(1));
} }
} }
if(data.length < 9) { this.logger.debug("Received raw data array", data);
throw new Error("Not enough units in data packet");
}
if(typeof data[3] === 'number') state.raw.version = data[3].toFixed(7).replace(/0+$/, ''); if(typeof data[0] === 'number') state.raw.infoVersion = data[0];
if(typeof data[4] === 'string') state.name = data[4]; if(typeof data[1] === 'number') state.raw.version = data[1];
if(typeof data[5] === 'string') state.raw.description = data[5]; if(typeof data[2] === 'string') state.name = data[2];
if(typeof data[7] === 'number') state.players = data[7]; if(typeof data[3] === 'string') state.raw.description = data[3];
if(typeof data[8] === 'number') state.maxplayers = data[8]; if(typeof data[4] === 'number') state.raw.startTime = data[4];
if(typeof data[5] === 'number') state.players = data[5];
if(typeof data[6] === 'number') state.maxplayers = data[6];
} }
} }