--unitID
local jetemit03=piece"jetemit03"
local jetemit02=piece"jetemit02"
local jetemit1=piece"jetemit1"
local jetemit04=piece"jetemit04"
local conspin=piece"conspin"
local nanoemit=piece"nanoemit"
local conair = piece "conair"
local conairfron = piece "conairfron"
local conairRear = piece "conairRear"
local condepot = piece "condepot"
local ropeemit= piece"ropeemit"

local SIG_ONTHEFLY=4
local SIG_LANDED=8
local SIG_HOVER=16

function script.Activate()
StartThread(ontheFly)

end

function script.Deactivate()
	   Signal(SIG_ONTHEFLY)
       StartThread(landed)
end

local function onTheFly()
--flight
Signal(SIG_ONTHEFLY)
SetSignalMask(SIG_ONTHEFLY)
Spin (conspin, y_axis, math.rad(60),9)
	while(true)do
	Turn(conairfron,x_axis,math.rad(-82),4)
	Turn(conairRear,x_axis,math.rad(-77),4)
	WaitForTurn(conairfron,x_axis)
	WaitForTurn(conairRear,x_axis)

	Sleep(512)
	end
StopSpin (conspin, y_axis, 1)
end

local function landed()
--landed
Signal(SIG_LANDED)
SetSignalMask(SIG_LANDED)

Spin (conspin, y_axis, math.rad(35),2)
	while(true)do
	Turn(conairfron,x_axis,math.rad(0),4)
	Turn(conairRear,x_axis,math.rad(0),4)
	WaitForTurn(conairfron,x_axis)
	WaitForTurn(conairRear,x_axis)

	Sleep(512)
	end
StopSpin (conspin, y_axis, 1)
end

local function workInProgress()



Spin (conspin, y_axis, math.rad(45),7)

	SetSignalMask(SIG_HOVER)
	while(true)do
	Turn(conairfron,x_axis,math.rad(34),4)
	Turn(conairRear,x_axis,math.rad(-35),4)
	WaitForTurn(conairfron,x_axis)
	WaitForTurn(conairRear,x_axis)
	actualHealth=Spring.GetUnitHealth (unitID )
	actualHealth=actualHealth-1
	Spring.SetUnitHealth(unitID,actualHealth)
	Sleep(250)

	end
StopSpin (conspin, y_axis, 1)
end


function script.Create()

Hide(jetemit03)
Hide(jetemit02)
Hide(jetemit1)
Hide(jetemit04)
Hide(ropeemit)
StartThread(landed)
end

function script.Killed()




Exlopde( jetemit03, sfx.fire + sfx.smoke)
Exlopde( jetemit02, sfx.fire + sfx.smoke)
Exlopde( jetemit1, sfx.fire + sfx.smoke)
Exlopde( jetemit04, sfx.fire + sfx.smoke)
Exlopde( conspin, sfx.fire + sfx.smoke)
Exlopde( nanoemit, sfx.fire + sfx.smoke)
Exlopde( conair , sfx.smoke)
Exlopde( conairfron , sfx.fire + sfx.smoke)
Exlopde( conairRear , sfx.fire + sfx.smoke)
Exlopde( condepot , sfx.fire + sfx.smoke)
Exlopde( ropeemit,sfx.fire + sfx.smoke)
end





--------BUILDING---------
function script.StopBuilding()
  Signal(SIG_BuildKill)
	SetUnitValue(COB.INBUILDSTANCE, 0)
end

function script.StartBuilding(heading, pitch)

	Signal(SIG_HOVER)
	StartThread(workInProgress)

	SetUnitValue(COB.INBUILDSTANCE, 1)
end

function script.QueryNanoPiece()
     return nanoemit
end