local V=false local function L(V,B)B(V)for V,U in next,V:GetChildren()do L(U,B)end end local function B(V,L)local B=V repeat B=B.Parent if B==nil then return nil end until B:IsA(L)return B end local function U(V)local B={}L(V,function(V)if V:IsA("\066\097\115\101\080\097\114\116")and(V.Parent.Name~="\083"and(V.Parent.Name~="\084\097\105\108\082\111\116\111\114"and V.Parent.Name~="\084\111\112\082\111\116\111\114"))then B[#B+1]=V end end)return B end local function A(V,L)assert(type(L)=="\116\097\098\108\101","\086\097\108\117\101\115 \105\115 \110\111\116 \097 \116\097\098\108\101")for L,B in next,L do if type(L)=="\110\117\109\098\101\114"then B.Parent=V else V[L]=B end end return V end local function m(V,L)return A(Instance.new(V),L)end local X={"\084\111\112\083\117\114\102\097\099\101","\066\111\116\116\111\109\083\117\114\102\097\099\101";"\076\101\102\116\083\117\114\102\097\099\101","\082\105\103\104\116\083\117\114\102\097\099\101";"\070\114\111\110\116\083\117\114\102\097\099\101";"\066\097\099\107\083\117\114\102\097\099\101"}local d={"\072\105\110\103\101","\077\111\116\111\114","\083\116\101\112\112\105\110\103\077\111\116\111\114"}local function i(V)for L,B in pairs(X)do for L,U in pairs(d)do if V[B].Name==U then return true end end end return false end local function f(L)if V then return false end if i(L)then return false end local B=L:GetConnectedParts()if#B==1 then return false end for V,L in pairs(B)do if i(L)then return false elseif not L:IsDescendantOf(script.Parent)then return false end end return true end local function Z(V,L,B,U)B=B or"\087\101\108\100"local X=L:FindFirstChild("\113\082\101\108\097\116\105\118\101\067\070\114\097\109\101\087\101\108\100\086\097\108\117\101")local d=L:FindFirstChild("\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121")or Instance.new(B)A(d,{Name="\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121";Part0=V,Part1=L,C0=CFrame.new();C1=X and X.Value or L.CFrame:toObjectSpace(V.CFrame),Parent=L})if not X then X=m("\067\070\114\097\109\101\086\097\108\117\101",{Parent=L;Name="\113\082\101\108\097\116\105\118\101\067\070\114\097\109\101\087\101\108\100\086\097\108\117\101",Archivable=true;Value=d.C1})end return d end local function h(V,L,B,U)for V,U in pairs(V)do if U~=L then Z(L,U,B,L)end end if not U then for V,L in pairs(V)do L.Anchored=false end L.Anchored=false end end local function g()local V=B(script,"\084\111\111\108")local L=U(script.Parent)local A=V and(V:FindFirstChild("\072\097\110\100\108\101")and(V.Handle:IsA("\066\097\115\101\080\097\114\116")and V.Handle))or script.Parent:IsA("\077\111\100\101\108")and script.Parent.PrimaryPart or L[1]if A then h(L,A,"\087\101\108\100",false)else warn("\113\087\101\108\100 - \085\110\097\098\108\101 \116\111 \119\101\108\100 \112\097\114\116")end return V end local q=g()if q and script.ClassName=="\083\099\114\105\112\116"then script.Parent.AncestryChanged:connect(function()g()end)end
-- Updated 10/14/2014 - Updated to 1.0.3
--- Now handles joints semi-acceptably. May be rather hacky with some joints. :/

local NEVER_BREAK_JOINTS = false -- If you set this to true it will never break joints (this can create some welding issues, but can save stuff like hinges).

local function CallOnChildren(Instance, FunctionToCall)
	-- Calls a function on each of the children of a certain object, using recursion.

	FunctionToCall(Instance)

	for _, Child in next, Instance:GetChildren() do
		CallOnChildren(Child, FunctionToCall)
	end
end

local function GetNearestParent(Instance, ClassName)
	-- Returns the nearest parent of a certain class, or returns nil

	local Ancestor = Instance
	repeat
		Ancestor = Ancestor.Parent
		if Ancestor == nil then
			return nil
		end
	until Ancestor:IsA(ClassName)

	return Ancestor
end

local function GetBricks(StartInstance)
	local List = {}

	-- if StartInstance:IsA("BasePart") then
	-- 	List[#List+1] = StartInstance
	-- end

	CallOnChildren(StartInstance, function(Item)
		if
			Item:IsA("BasePart")
			and Item.Parent.Name ~= "S"
			and Item.Parent.Name ~= "TailRotor"
			and Item.Parent.Name ~= "TopRotor"
		then
			List[#List + 1] = Item
		end
	end)

	return List
end

local function Modify(Instance, Values)
	-- Modifies an Instance by using a table.

	assert(type(Values) == "table", "Values is not a table")

	for Index, Value in next, Values do
		if type(Index) == "number" then
			Value.Parent = Instance
		else
			Instance[Index] = Value
		end
	end
	return Instance
end

local function Make(ClassType, Properties)
	-- Using a syntax hack to create a nice way to Make new items.

	return Modify(Instance.new(ClassType), Properties)
end

local Surfaces = { "TopSurface", "BottomSurface", "LeftSurface", "RightSurface", "FrontSurface", "BackSurface" }
local HingSurfaces = { "Hinge", "Motor", "SteppingMotor" }

local function HasWheelJoint(Part)
	for _, SurfaceName in pairs(Surfaces) do
		for _, HingSurfaceName in pairs(HingSurfaces) do
			if Part[SurfaceName].Name == HingSurfaceName then
				return true
			end
		end
	end

	return false
end

local function ShouldBreakJoints(Part)
	--- We do not want to break joints of wheels/hinges. This takes the utmost care to not do this. There are
	--  definitely some edge cases.

	if NEVER_BREAK_JOINTS then
		return false
	end

	if HasWheelJoint(Part) then
		return false
	end

	local Connected = Part:GetConnectedParts()

	if #Connected == 1 then
		return false
	end

	for _, Item in pairs(Connected) do
		if HasWheelJoint(Item) then
			return false
		elseif not Item:IsDescendantOf(script.Parent) then
			return false
		end
	end

	return true
end

local function WeldTogether(Part0, Part1, JointType, WeldParent)
	--- Weld's 2 parts together
	-- @param Part0 The first part
	-- @param Part1 The second part (Dependent part most of the time).
	-- @param [JointType] The type of joint. Defaults to weld.
	-- @param [WeldParent] Parent of the weld, Defaults to Part0 (so GC is better).
	-- @return The weld created.

	JointType = JointType or "Weld"
	local RelativeValue = Part1:FindFirstChild("qRelativeCFrameWeldValue")

	local NewWeld = Part1:FindFirstChild("qCFrameWeldThingy") or Instance.new(JointType)
	Modify(NewWeld, {
		Name = "qCFrameWeldThingy",
		Part0 = Part0,
		Part1 = Part1,
		C0 = CFrame.new(), --Part0.CFrame:inverse();
		C1 = RelativeValue and RelativeValue.Value or Part1.CFrame:toObjectSpace(Part0.CFrame), --Part1.CFrame:inverse() * Part0.CFrame;-- Part1.CFrame:inverse();
		Parent = Part1,
	})

	if not RelativeValue then
		RelativeValue = Make("CFrameValue", {
			Parent = Part1,
			Name = "qRelativeCFrameWeldValue",
			Archivable = true,
			Value = NewWeld.C1,
		})
	end

	return NewWeld
end

local function WeldParts(Parts, MainPart, JointType, DoNotUnanchor)
	-- @param Parts The Parts to weld. Should be anchored to prevent really horrible results.
	-- @param MainPart The part to weld the model to (can be in the model).
	-- @param [JointType] The type of joint. Defaults to weld.
	-- @parm DoNotUnanchor Boolean, if true, will not unachor the model after cmopletion.

	for _, Part in pairs(Parts) do
		if Part ~= MainPart then
			WeldTogether(MainPart, Part, JointType, MainPart)
		end
	end

	if not DoNotUnanchor then
		for _, Part in pairs(Parts) do
			Part.Anchored = false
		end
		MainPart.Anchored = false
	end
end

local function PerfectionWeld()
	local Tool = GetNearestParent(script, "Tool")

	local Parts = GetBricks(script.Parent)
	local PrimaryPart = Tool and Tool:FindFirstChild("Handle") and Tool.Handle:IsA("BasePart") and Tool.Handle
		or script.Parent:IsA("Model") and script.Parent.PrimaryPart
		or Parts[1]

	if PrimaryPart then
		WeldParts(Parts, PrimaryPart, "Weld", false)
	else
		warn("qWeld - Unable to weld part")
	end

	return Tool
end

local Tool = PerfectionWeld()

if Tool and script.ClassName == "Script" then
	--- Don't bother with local scripts

	script.Parent.AncestryChanged:connect(function()
		PerfectionWeld()
	end)
end
