No Logic Game Server

Simple server for games with logic on client.

Installation

Download source or clone this repository. Install all the dependencies:

// with npm
npm install

// with yarn
yarn install

Run the server:

// with npm
npm run start

// with yarn
yarn run start

Open demo.html in 2 browser tabs. If game starts then everything is ok.

API

Server sends and receives json strings of this format

{
  method: "methodName",
  data: {...method parameters}
}

Connect to server

First time client must connect without credentials. Like this:

ws://localhost:8080/

Server will create a new account and send its data to client. After this client can connect with credentials like this:

ws://localhost:8080/?name=$myPlayerName&id=$myId&password=$myPassword

Server commands:

• getRooms - get open rooms list. No data.
• changeName - change player name. Data: new name string.
• createRoom - create new room. Data: { name: "room name", maxPlayers: number, password: string or null, gameData: object or null}
• enterRoom - enter selected room. Data: { id:"roomId", password: "room password" }
• leaveRoom - leave current room. No data.
• getPlayers - get selected players data. Data: array of players ids.
• sendChatMsg - send chat message to current room. Data: any string.
• startGame - starts game, after this no new players can enter this room. No data.
• shareGameState - can be used only by room owner for sharing full game state with other players. Data: { gamestate: any object, to: list of player ids(optional) }
• sendToRoom - send any data to other players in room. Data: any object
• sendTo - send any data to selected player in room. Data: { to:"playerId", msg:{...any object} }

Messages from server:

• onConnected - after successfull connection.
• roomCreated - Data: object with created room information
• onGetRooms - Data: array with available rooms information
• onRoomEnter - when successfully entered room. Data: room info
• accountCreated - when someone connects without credentials server creates new account. Data: { name: playerName, id: playerId, password: password }
• onGetPlayers - Data: array of players
• playerEnter - when another player enters current room. Data: new player info
• error - when smth goes wrong. Data: { text: 'error text', code: "error code" }
• playerLeft - when someone lefts current room. Data: playerId
• nameChanged - when someone changes name. Data: { name: new name, id: playerId }
• newGameState - when room ownes shares game state. Data: any object
• messageFromPlayer - when someone sends you game data. Data: { from: playerId, msg: any object }
• chatMsg - chat message. Data: { text: any string, from: playerId }
• gameStarted - when game starts. No data.
• playerDisconnected - Data: playerId
• newRoomOwner - when owner lefts room server appoints a new room owner. Data: ownerId