--flares
local flares = {}
flares [1] = piece "flare_lol"
flares [2] = piece "flare_lor"
flares [3] = piece "flare_hil"
flares [4] = piece "flare_hir"

local flare_lol = piece "flare_lol"
local flare_lor = piece "flare_lor"
local flare_hil = piece "flare_hil"
local flare_hir = piece "flare_hir"
--aiming pieces
local turret = piece "turret2"
local pivot_low = piece "pivot_low"

local barrelsn = 2		--2 für normal, 4 für upgradet. used for QueryWeapon
local shotfrom = 1		--which barrel will be shot from. [1,2] für normal, [1,4] für upgradet
local muzzleflash = SFX.CEG+1

--signals
local SIG_SHOT = 1
local SIG_AIM = 2

----Shooting---
function script.QueryWeapon1() 
	shotfrom = math.random (barrelsn)
	return flares [shotfrom]
	--if (b==1) then return flare_lol end
	--if (shotfrom==2) then return flare_lor end
	--if (shotfrom==3) then return flare_hil end
	--if (shotfrom==4) then return flare_hir end
end

function script.AimFromWeapon1() return turret end


function script.AimWeapon1( heading, pitch )
	Signal(SIG_AIM)
	SetSignalMask(SIG_AIM)
	Turn(turret, y_axis, heading, math.rad(270))
	if (math.deg(pitch) < 0) then pitch = 0 end  --do not aim turret lower than horizontal to ground
	Turn(pivot_low, x_axis, -pitch, math.rad(360))
	WaitForTurn(turret, y_axis)
	WaitForTurn(pivot_low, x_axis)
	StartThread(RestoreAfterDelay)
	return true
end


function script.FireWeapon1()
Spin (barrel_lol,z_axis, 12)
Spin (barrel_lor,z_axis, -12)
Spin (barrel_hil,z_axis, -12)
Spin (barrel_hir,z_axis, 12)
EmitSfx(flares [shotfrom], muzzleflash)
end
------

function upgradegun ()
	Spring.Echo ("unlocking extra barrels!")
	local newgun = {}
	newgun["reloadTime"] = 0.17
	--newgun["maxRange"] = 100
	Spring.SetUnitWeaponState(unitID, 0, newgun)
	barrelsn = 4
	Spring.UnitScript.Show (pivot_high)
	Spring.UnitScript.Show (barrel_hil)
	Spring.UnitScript.Show (barrel_hir)
end

function script.Killed(recentDamage, maxHealth)
	for id,piece in pairs(unblownpieces) do
		Spring.UnitScript.Explode (piece, SFX.FALL)
	end
end