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Improve starmade protocol

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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
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14
protocols/core.js
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@ -102,15 +102,21 @@ class Core extends EventEmitter {
if (typeof state.players === 'number') {
const num = state.players;
state.players = [];
for (let i = 0; i < num; i++) {
state.players.push({});
state.raw.rcvNumPlayers = num;
if (num < 10000) {
for (let i = 0; i < num; i++) {
state.players.push({});
}
}
}
if (typeof state.bots === 'number') {
const num = state.bots;
state.bots = [];
for (let i = 0; i < num; i++) {
state.bots.push({});
state.raw.rcvNumBots = num;
if (num < 10000) {
for (let i = 0; i < num; i++) {
state.bots.push({});
}
}
}

36
protocols/starmade.js
View file

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