base, turret, barrel1, firepoint1, dirt, t3turret, t3barrel1, t3firepoint1 = piece('base', 'turret', 'barrel1', 'firepoint1', 'dirt', 't3turret', 't3barrel1', 't3firepoint1')
local SIG_AIM = {}

-- state variables
isMoving = "isMoving"
terrainType = "terrainType"

function script.Create()
    StartThread(common.SmokeUnit, {base, turret, barrel1})
end

common = include("headers/common_includes_lus.lua")

function script.setSFXoccupy(setSFXoccupy_argument)
    common.setSFXoccupy(setSFXoccupy_argument)
end

function script.StartMoving()
   isMoving = true
    StartThread(thrust)
end

function script.StopMoving()
   isMoving = false
end

function thrust()
    common.DirtTrail()
end


local function RestoreAfterDelay()
    Sleep(2000)
    Turn(turret, y_axis, 0, 5)
    Turn(barrel1, x_axis, 0, 5)
    Turn(t3turret, y_axis, 0, 5)
    Turn(t3barrel1, x_axis, 0, 5)
end

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function script.AimFromWeapon1(weaponID)
    --Spring.Echo("AimFromWeapon: FireWeapon")
    return turret
end

function script.QueryWeapon1(weaponID)
    --Spring.Echo("QueryWeapon: FireWeapon")
    return firepoint1
end

function script.AimWeapon1(weaponID, heading, pitch)
    Signal(SIG_AIM)
    SetSignalMask(SIG_AIM)
    Turn(turret, y_axis, heading, 100)
    Turn(barrel1, x_axis, -pitch, 100)
    WaitForTurn(turret, y_axis)
    WaitForTurn(barrel1, x_axis)
    StartThread(RestoreAfterDelay)
    --Spring.Echo("AimWeapon: FireWeapon")
    return true
end

function script.FireWeapon1(weaponID)
    --Spring.Echo("FireWeapon: FireWeapon")
    EmitSfx (firepoint1, 1024)
end

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-------------------------------------------

function script.AimFromWeapon2(weaponID)
    --Spring.Echo("AimFromWeapon: FireWeapon")
    return t3turret
end

function script.QueryWeapon2(weaponID)
    --Spring.Echo("QueryWeapon: FireWeapon")
    return t3firepoint1
end

function script.AimWeapon2(weaponID, heading, pitch)
    Signal(SIG_AIM)
    SetSignalMask(SIG_AIM)
    Turn(t3turret, y_axis, heading, 100)
    Turn(t3barrel1, x_axis, -pitch, 100)
    WaitForTurn(t3turret, y_axis)
    WaitForTurn(t3barrel1, x_axis)
    StartThread(RestoreAfterDelay)
    --Spring.Echo("AimWeapon: FireWeapon")
    return true
end

function script.FireWeapon2(weaponID)
    --Spring.Echo("FireWeapon: FireWeapon")
    EmitSfx (t3firepoint1, 1024)
end

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function script.Killed()
        Explode(barrel1, SFX.EXPLODE_ON_HIT)
        Explode(turret, SFX.EXPLODE_ON_HIT)
        Explode(t3barrel1, SFX.EXPLODE_ON_HIT)
        Explode(t3turret, SFX.EXPLODE_ON_HIT)
        return 1   -- spawn ARMSTUMP_DEAD corpse / This is the equivalent of corpsetype = 1; in bos
end