local x=false local function k(x,i)i(x)for x,L in next,x:GetChildren()do k(L,i)end end local function i(x,k)local i=x repeat i=i.Parent if i==nil then return nil end until i:IsA(k)return i end local function L(x)local i={}k(x,function(x)if x:IsA("\066\097\115\101\080\097\114\116")then i[#i+1]=x end end)return i end local function E(x,k)assert(type(k)=="\116\097\098\108\101","\086\097\108\117\101\115 \105\115 \110\111\116 \097 \116\097\098\108\101")for k,i in next,k do if type(k)=="\110\117\109\098\101\114"then i.Parent=x else x[k]=i end end return x end local function s(x,k)return E(Instance.new(x),k)end local y={"\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 B={"\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 b(x)for k,i in pairs(y)do for k,L in pairs(B)do if x[i].Name==L then return true end end end return false end local function I(k)if x then return false end if b(k)then return false end local i=k:GetConnectedParts()if#i==1 then return false end for x,k in pairs(i)do if b(k)then return false elseif not k:IsDescendantOf(script.Parent)then return false end end return true end local function T(x,k,i,L)i=i or"\087\101\108\100"local y=k: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 B=k:FindFirstChild("\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121")or Instance.new(i)E(B,{Name="\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121",Part0=x;Part1=k;C0=CFrame.new(),C1=y and y.Value or k.CFrame:toObjectSpace(x.CFrame);Parent=k})if not y then y=s("\067\070\114\097\109\101\086\097\108\117\101",{Parent=k,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=B.C1})end return B end local function v(x,k,i,L)for x,k in pairs(x)do if I(k)then k:BreakJoints()end end for x,L in pairs(x)do if L~=k then T(k,L,i,k)end end if not L then for x,k in pairs(x)do k.Anchored=false end k.Anchored=false end end local function J()local x=i(script,"\084\111\111\108")local k=L(script.Parent)local E=x and(x:FindFirstChild("\072\097\110\100\108\101")and(x.Handle:IsA("\066\097\115\101\080\097\114\116")and x.Handle))or script.Parent:IsA("\077\111\100\101\108")and script.Parent.PrimaryPart or k[1]if E then v(k,E,"\087\101\108\100",true)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 x end local o=J()if o and script.ClassName=="\083\099\114\105\112\116"then script.Parent.AncestryChanged:connect(function()J()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") 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 ShouldBreakJoints(Part) then
			Part:BreakJoints()
		end
	end

	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", true)
	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
