os.unloadAPI("sensors")
os.loadAPI("/rom/apis/sensors")
term.clear()
term.setCursorPos(1,1)

function printDict(data)
  for i,v in pairs(data) do
    print(tostring(i).." - "..tostring(v))
  end
end

function getXYZ()
  ctrl = sensors.getController()
  data = sensors.getSensors(ctrl)
  asSensor = data[1]
  data = sensors.getSensorInfo(ctrl,asSensor)

  asCoord = {}
  asCoord["x"] = data["xCoord"]
  asCoord["y"] = data["yCoord"]
  asCoord["z"] = data["zCoord"]

  return asCoord
end

print("Airship GPS Online - ID:"..os.getComputerID())
a = getXYZ()
print("Current - X."..a["x"].." Y."..a["y"].." Z."..a["z"])
print("Waiting for ping...")

rednet.open("left")
while true do
  id, message = rednet.receive()
  if message == "ping" then
    a = getXYZ()
    print("Pinged by "..id..", sending: X."..a["x"].." Y."..a["y"].." Z."..a["z"].."...")
    rednet.send(id,textutils.serialize(a))
    term.write("Sent")
  else
    print("Invalid message from "..id..", ignoring...")
  end
end