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npm install @gd-com/utils

gd-com

@gd-com/utils

Binary serialization helper godot and nodejs !

Written with this api

Requirements

• Godot 3.X
• NodeJS 10.14.0 LTS or greater

How to install

npm install --save @gd-com/utils

For an example take a look @gd-com/examples !

GdBuffer

var gdCom = require('@gd-com/utils') // var { GdBuffer } = require('@gd-com/utils')
var wanted = 'test'
 
const buff = new gdCom.GdBuffer()
 
buff.putVar(wanted)
 
const recieved = buff.getVar()
 
console.log(recieved === wanted) // is true
 
// buffer is empty !
 

- get

Method	Return
new GdBuffer()	GdBuffer Object
new GdBuffer(buffer)	GdBuffer Object with initial buffer data
-------------------------------	------------------------------
getVar()	Object
get8()	Object
get16()	Object
get32()	Object
get64()	Object
getU8()	Object
getU16()	Object
getU32()	Object
getU64()	Object
getFloat()	Object
getDouble()	Object
getString()	Object
-------------------------------	------------------------------
putVar(value)	void
put8(value)	void
put16(value)	void
put32(value)	void
put64(value)	void
putU8(value)	void
putU16(value)	void
putU32(value)	void
putU64(value)	void
putFloat(value)	void
putDouble(value)	void
putString(value)	void
-------------------------------	------------------------------
getBuffer()	Buffer

Encode and Decode

Use GdBuffer is recommanded !

- get

Method	Return
getVar(buffer, offset = 0)	Object { value, length }
get8(buffer, offset = 0)	Object { value, length }
get16(buffer, offset = 0)	Object { value, length }
get32(buffer, offset = 0)	Object { value, length }
get64(buffer, offset = 0)	Object { value, length }
getU8(buffer, offset = 0)	Object { value, length }
getU16(buffer, offset = 0)	Object { value, length }
getU32(buffer, offset = 0)	Object { value, length }
getU64(buffer, offset = 0)	Object { value, length }
getFloat(buffer, offset = 0)	Object { value, length }
getDouble(buffer, offset = 0)	Object { value, length }
getString(buffer, offset = 0)	Object { value, length }

- put

Method	Return
putVar(value)	Buffer
put8(value)	Buffer
put16(value)	Buffer
put32(value)	Buffer
put64(value)	Buffer
putU8(value)	Buffer
putU16(value)	Buffer
putU32(value)	Buffer
putU64(value)	Buffer
putFloat(value)	Buffer
putDouble(value)	Buffer
putString(value)	Buffer

Usage example :

var gdCom = require('@gd-com/utils') // var { putVar, getVar } = require('@gd-com/utils')
var wanted = 'test'
 
let encoded = gdCom.putVar(wanted)
let decoded = gdCom.getVar(encoded)
console.log(decoded.value)

StreamTcp Splitter

 
const net = require('net')
const { StreamTcp, GdBuffer, addLengthFront } = require('@gd-com/utils')
 
let server = net.createServer((socket) => {
  const tcpSplit = new StreamTcp()
  socket.pipe(tcpSplit).on('data', (data) => {
    const packet = new GdBuffer(data)
 
    const decoded = packet.getVar()
    console.log('receive :', decoded)
 
    const packetToSend = new GdBuffer()
    packetToSend.putVar(Math.random())
 
    // we need to put the packet length on top cause it's tcp
    let toSend = addLengthFront(packetToSend.getBuffer())
    console.log('send :', toSend)
    socket.write(toSend)
  })
 
  socket.on('error', () => console.log('Bye :('))
})
 
server.on('error', (err) => {
  throw err
})
 
server.listen(8090, '127.0.0.1', () => {
  console.log(`Server launched TCP 127.0.0.1:${8090}`)
})

Test

git clone [e-mail]:gd-com/utils.git gd-com-utils
cd gd-com-utils
npm install or yarn install
npm run lint && npm run test

Contributing

Please read CONTRIBUTING for details on our code of conduct, and the process for submitting pull requests to us.

TODO & CHANGELOG

CHANGELOG

TODO

License

This project is licensed under the MIT License - see the LICENSE file for details

Thanks

• Godot
• Godot France
• GDQuest
• IG-Dev
• Salsa2k for the initial work