whs.js/tools/networking/server.js

//-------------------------------------------------------------------------------//
// WhiteStormJS OFFICIAL SERVER.JS # FOR INTERACTING WITH THE NETWORKING MODULE. //
//-------------------------------------------------------------------------------//

//-------------------------------------------------------------------------------//
// NOTE: THIS IS A TEMPLATE INTERACTION. THIS DEFINES THE EVENTS THAT THE        //
// NETWORKING MODULE WILL PASS. IT IS NOT RECOMMENDED TO USE THIS OUT OF THE     //
// BOX WITHOUT ANY ALTERATIONS FOR A FINAL PRODUCT.                              //
//-------------------------------------------------------------------------------//


var app = require('express').createServer();
var io = require('socket.io')(app);
const uuid = require('uuid/v4');

app.listen(80);

app.get('/', function (req, res) {
  res.sendFile(__dirname + '/index.html');
});

var objects = new Map(); // or = [] ?

io.on('connection', function (socket) {
  socket.on('addMesh', onAddMesh);
  socket.on('removeMesh' onRemoveMesh);
  
  socket.on('newPosition', onNewPosition);
  socket.on('newRotation', onNewRotation);
  
  socket.on('newMaterial', onNewMaterial);
  socket.on('newGeometry', onNewGeometry);
});


// Add/Remove Events
function onAddMesh(data) {
  if(data.transform) {
    // Register this new mesh with our objects list
    var object = new Object(data);

    objects.add(object); // Add the object to our list
    console.log("Registered new NetworkIdentity Object: ");

    socket.broadcast.emit('addMesh', { "options": data, "id": object.id });
  } else {
    // No NetworkTransform, simply send the newMesh data and that's it. Nothing else can be done. (Not even remove it).
    socket.broadcast.emit('addMesh', data);
  }
}

function onRemoveMesh(data) {
  for(var i = 0; i < objects.length; i++) {
    if(objects[i].id == data.id) {
      objects[i] = null;
      objects.splice(i, 1);
      console.log("Object succesfully removed: " + data.id)

      socket.broadcast.emit('removeMesh', data.id);
      return;
    }
  }
  console.log("Unable to remove object " + data.id);
}

// ------------------------- //

// Position/Rotation Events
function onNewPosition(data) {
  for(var i = 0; i < objects.length; i++) {
    if(objects[i].id == data.id) {
      objects[i].setPosition(data.x, data.y, data.z);
      socket.broadcast.emit('newPos', data);
      return;
    }
  }
  console.log("Unable to find object " + data.id);
}

function onNewRotation(data) {
  for(var i = 0; i < objects.length; i++) {
    if(objects[i].id == data.id) {
      objects[i].setRotation(data.x, data.y, data.z);
      socket.broadcast.emit('newRot', data); // Send this
      return;
    }
  }
  console.log("Unable to find object " + data.id);
}

// ------------------------- //

// Material/Geometry Events
function onNewMaterial(data) {
  for(var i = 0; i < objects.length; i++) {
    if(objects[i].id == data.id) {
      objects[i].setMaterial(data.material);
      socket.broadcast.emit('newMaterial', data);
      return;
    }
  }
  console.log("Unable to find object " + data.id);
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//  TODO: This function isn't supported on the client side of WHS, therefore, it can't be supported here ATM. //
//  WILL BE ADDING SUPPORT SOON....                                                                           //
// function onNewGeometry(data) {                                                                             //
//                                                                                                            //
// }                                                                                                          //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// ------------------------- //

///////////////////////////////////////
// - UTILITY FUNCTIONS AND CLASSES - //
///////////////////////////////////////


var Object = function(data) {
  this.options = data.options;
  this.Type = data.type;
  
  this.position = data.options.position;
  this.rotation = data.options.rotation;
  this.material = data.options.material;
  
  this.id = uuid();
  
  this.mesh = new this.Type(this.options);
  
  this.setPosition = function(x, y, z) {
    this.position.x = x;
    this.position.y = y;
    this.position.z = z;
    
    this.mesh.position = this.position;
  }
  
  this.setRotation = function(x, y, z) {
    this.rotation.x = x;
    this.rotation.y = y;
    this.rotation.z = z;
    
    this.mesh.rotation = this.rotation;
  }
  
  this.setMaterial = function(newMat) {
    this.material = newMat;
    
    this.mesh.material = newMat;
  }
}