Hovercraft Autopilot Script MC

StartingCords = {}
FirstStart = true
ReAfMiss = false
Gunship = false
Transport = false
GroundAtObj = false
Package = false
BombBay = false
DeployCargo = false
BombingRun = false
MissionCompleted = false
EnableWeapons = false

function onTick()
    Orders = input.getBool(1)
    if Orders == true then
        GetDetails()
    end
end

function GetDetails()
    X1 = input.getNumber(1)
    Y1 = input.getNumber(2)
    X2 = input.getNumber(3)
    Y2 = input.getNumber(4)
    if MissionCompleted == true and ReAfMiss == true then
        X2 = StartingCords[1]
        Y2 = StartingCords[2]
    end
    if FirstStart = true then
        FirstStart = false
        StartingCords = {X1,Y1}
    end
    Package = true
    CHeading = input.getNumber(5)
    Height = input.getNumber(6)
    Ground = input.getBool(2)
    GunshipMission = input.getBool(3)
    GroundAtObj = input.getBool(4)
    Transport = input.getBool(5)
    BombsLoaded = input.getBool(6)
    CargoLoaded = input.getBool(7)
    MissionType = input.getNumber(8) '0-Gunship,1=BombingRun,2-Transport'
    if MissionType == 1 then
        Package = BombsLoaded
    elseif MissionType == 2 then
        Package = CargoLoaded
    end
    Heading = 0
    XD = X1 - X2
    YD = Y1 - Y2
    AXD = math.arct(XD)
    AYD = math.arct(YD)
    Dir = 0
    Move = false
    Land = false
    Dis = 1000
    Q = 1
    if XD > 0 and YD > 0 then
        Q = 1
    else if XD < 0 and YD > 0 then
        Q = 2
    else if XD < 0 and YD < 0 then
        Q = 3
    else if XD > 0 and YD < 0 then
        Q = 4
    end
    Dis = math.sqrt(math.pow(XD,2)+math.pow(YD,2))
    DegAt = (math.atan(AXD/AYD)) * 180/math.pi
    if Q == 1 then
        Heading = DegAt
    elseif Q == 2 then
        Heading = (180 - DegAt)XD - 1
    elseif Q == 3 then
        Heading = 180 + DegAt
    elseif Q == 4 then
        Heading = (360 - DegAt)x - 1
    end
    Heading = Heading - 90
    if Heading < 90 then
        Heading = Heading + 270
    end
    TDegrees = CHeading - Heading
    if TDegrees < 90 then
        TDegrees = TDegrees + 270
    end
    if CHeading - 5 < Heading and CHeading + 5 > Heading then
        Move = true
    else
        Move = false
    end
    if Dis < 6 and GroundAtObj == true and Package == true then
        Land = true
    elseif Package == false then
        Land = false
    end
    if Land == true and Package == true and MissionType == 2 and Height < 5 then
        DeployCargo = true
    elseif Dis < 10 and Height > 10 and Package == true and MissionType == 1 then
        BombBay = true
    end
    if MissionCompleted == false and Dis < 300 then
        EnableWeapons = true
    else
        EnableWeapons = false
    end
    output.setBool(1,Land)
    output.setBool(2,Move)
    output.setBool(3,BombBay)
    output.setBool(4,DeployCargo)
    output.setBool(5,EnableWeapons)
    output.setNumber(3,TDegrees)
    CheckMission()
end

function CheckMission()
    if MissionType == 2 and Land == false and Package == false then
        MissionCompleted = true
    elseif MissionType == 1 and Package == false then
        MissionCompleted = true
    end
    if MissionCompleted == true then
        BombBay = false
        DeployCargo = false
    end
end