GS Host Killer

local brk=false
local modem=peripheral.wrap("right")
modem.closeAll()
modem.open(65534)
local function checkIfThereAreAnyLeft()
    local e,s,c,r,m,d
    modem.transmit(65534,65534,"PING")
    local id=os.startTimer(2)
    repeat
         e,s,c,r,m,d=os.pullEventRaw()
    until (e=="modem_message" and c==65534) or (e=="timer" and s==id)
    if e=="timer" then return false end
    return true
end
while true do
if not checkIfThereAreAnyLeft() then print("Killed all GPS servers in range.") return end
local modem=peripheral.wrap("right")
modem.closeAll()
modem.open(65534)
local distanceT={}
local coordsTable, coords=nil,nil
local function getData()
modem.transmit(65534,65534,"PING")
local eventData
repeat
  eventData={os.pullEventRaw("modem_message")}
  if eventData[5]==coords or coords==nil then return eventData end
  --print("test")
until eventData[1]=="terminate"
return error("Terminated")
end
local function getCloser(func)
    while true do
        if turtle.detect() then turtle.dig() end
        if turtle.detectUp() then turtle.digUp() end
        if turtle.detectDown() then turtle.digDown() end
        func()
        local nDat=getData()
        if nDat[6]>distanceT[#distanceT] or nDat[6]==1 then break
        else
            table.insert(distanceT,nDat[6])
        end
    end
end
local eventData=getData()
coords=eventData[5]
table.insert(distanceT,eventData[6])
turtle.up()
local nData=getData()
table.insert(distanceT,nData[6])
if distanceT[#distanceT-1]>distanceT[#distanceT] then
--This means its higher
    getCloser(turtle.up)
    turtle.down()
    turtle.dig()
else
    --Lower
    getCloser(turtle.down)
    turtle.up()
    turtle.dig()
end
local eventData=getData()
table.insert(distanceT,eventData[6])
turtle.forward()
local nData=getData()
table.insert(distanceT,nData[6])
if distanceT[#distanceT-1]>distanceT[#distanceT] then
    --Keep going forward
    getCloser(turtle.forward)
    turtle.back()
else
    --Moonwalk
    turtle.turnRight()
    turtle.turnRight()
    getCloser(turtle.forward)
    turtle.back()
    turtle.turnRight()
    turtle.turnRight()
end
--Turn right and do (almost) the same thing
turtle.turnRight()

local eventData=getData()
table.insert(distanceT,eventData[6])
turtle.forward()
local nData=getData()
table.insert(distanceT,nData[6])
if distanceT[#distanceT-1]>distanceT[#distanceT] then
    --Keep going forward
    getCloser(turtle.forward)
else
    --Moonwalk
    turtle.turnRight()
    turtle.turnRight()
    getCloser(turtle.forward)
end

--We should be right in front of the host.
peripheral.call("front","shutdown")
if brk then turtle.dig() end

print("Killed a GPS host!")
print("Coords: ",coords)
print("Tries: ",#distanceT)
print("Original Distance: ",distanceT[1])
end