common = {

	CustomEmitter = function (unitID, pieceName, effectName)
		--Spring.Echo(unitID, pieceName, effectName)
		local x,y,z,dx,dy,dz	= spGetUnitPiecePosDir(unitID,pieceName)

		Spring.SpawnCEG(effectName, x,y,z, dx, dy, dz)
	end,

    setSFXoccupy = function (setSFXoccupy_argument)
            local terrainType = setSFXocupy_argument
            if terrainType == 2 then
                    Move(base, y_axis, -0.85, 50)
                    SetUnitValue(COB.UPRIGHT, 1)
            else
                    Move(base, y_axis, 0, 50)
                    SetUnitValue(COB.UPRIGHT, 0)
            end

            if terrainType == 4 then
                    Move(base, y_axis, 0, 50)
                    SetUnitValue(COB.UPRIGHT, 0)
            else
                    Move(base, y_axis, -0.85, 50)
                    SetUnitValue(COB.UPRIGHT, 1)
            end
    end,

	DirtTrail = function ()
		while isMoving do
			CustomEmitter(unitID, dirt, "dirt") -- Second argument is the piece name, third argument needs to be a string because it will be the name of the CEG effect used
			Sleep(400)
		end
	end
}
return common