blackmagic-atem-nodered/commands/macroProperties.js

Provides control of a BlackMagic ATEM

const commandList = require("./commandList.js");

module.exports = {
  object: function() { return {
    get: "MPrp",
    set: "",
    cmd: "macroProperties",
    data: {},
    close() {
      this.data = {};
    },
    initializeData(data, flag, commands) {
      var command = {"payload":{"data":{}}};
      this.processData(data, flag, command, commands, false);
    },
    processData(data, flag, command, commands) {
      command.payload.cmd = this.cmd;
      command.payload.data.macroId = data.readUInt16BE(0);
      command.payload.data.isUsed = data[2] == 1;
      
      var nameLength = data.readUInt16BE(4);
      var descLength = data.readUInt16BE(6);
      command.payload.data.name = data.toString("UTF8", 8, 8 + nameLength);
      command.payload.data.description = data.toString("UTF8", 9 + nameLength, (9 + nameLength)  + descLength);
  
      //Attempt to add the properties to the action list
      try {
        commands.macroAction.data[command.payload.data.macroId].macroProperties = command.payload.data;
      }
      catch(e){}
  
      this.data[command.payload.data.macroId] = command.payload.data;
      command.payload.cmd = this.cmd;
      command.payload.data = this.data;
      return true;
    },
    sendData(command, commands) {
      var msg = {
        "direction": "node",
        "command": {
          "payload": {
            "cmd": this.cmd,
            "data": this.data
          }
        }
      }
      
      return msg;
    },
    //What todo once we are connected
    afterInit(commands) {
      return {
        "cmd": this.cmd,
        "data": this.data
      }
    }    
  }}
}