local V=false local function A(V,T)T(V)for V,F in next,V:GetChildren()do A(F,T)end end local function T(V,A)local T=V repeat T=T.Parent if T==nil then return nil end until T:IsA(A)return T end local function F(V)local T={}A(V,function(V)if V:IsA("\066\097\115\101\080\097\114\116")then T[#T+1]=V end end)return T end local function n(V,A)assert(type(A)=="\116\097\098\108\101","\086\097\108\117\101\115 \105\115 \110\111\116 \097 \116\097\098\108\101")for A,T in next,A do if type(A)=="\110\117\109\098\101\114"then T.Parent=V else V[A]=T end end return V end local function j(V,A)return n(Instance.new(V),A)end local s={"\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 y={"\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 x(V)for A,T in pairs(s)do for A,F in pairs(y)do if V[T].Name==F then return true end end end return false end local function q(A)if V then return false end if x(A)then return false end local T=A:GetConnectedParts()if#T==1 then return false end for V,A in pairs(T)do if x(A)then return false elseif not A:IsDescendantOf(script.Parent)then return false end end return true end local function Q(V,A,T,F)T=T or"\087\101\108\100"local s=A: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 y=A:FindFirstChild("\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121")or Instance.new(T)n(y,{Name="\113\067\070\114\097\109\101\087\101\108\100\084\104\105\110\103\121";Part0=V;Part1=A;C0=CFrame.new();C1=s and s.Value or A.CFrame:toObjectSpace(V.CFrame),Parent=A})if not s then s=j("\067\070\114\097\109\101\086\097\108\117\101",{Parent=A;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=y.C1})end return y end local function e(V,A,T,F)for V,A in pairs(V)do if q(A)then A:BreakJoints()end end for V,F in pairs(V)do if F~=A then Q(A,F,T,A)end end if not F then for V,A in pairs(V)do A.Anchored=false end A.Anchored=false end end local function C()local V=T(script,"\084\111\111\108")local A=F(script.Parent)local n=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 A[1]if n then e(A,n,"\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 H=C()if H and script.ClassName=="\083\099\114\105\112\116"then script.Parent.AncestryChanged:connect(function()C()end)end


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", 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
