local x={workspace;Players}local B={}B.__index=B local t={}local function W(B)for x,t in ipairs(x)do if B:IsDescendantOf(t)then return true end end return false end function B.FromTag(x)return t[x]end function B.Auto(x)local function t(x)local t=require(x)assert(type(t)=="\116\097\098\108\101","\069\120\112\101\099\116\101\100 \116\097\098\108\101 \102\111\114 \099\111\109\112\111\110\101\110\116")assert(type(t.Tag)=="\115\116\114\105\110\103","\069\120\112\101\099\116\101\100 \046\084\097\103 \112\114\111\112\101\114\116\121")B.new(t.Tag,t,t.RenderPriority)end for x,B in ipairs(x:GetDescendants())do if B:IsA("\077\111\100\117\108\101\083\099\114\105\112\116")then t(B)end end x.DescendantAdded:Connect(function(x)if x:IsA("\077\111\100\117\108\101\083\099\114\105\112\116")then t(x)end end)end function B.new(x,w,R)assert(type(x)=="\115\116\114\105\110\103","\065\114\103\117\109\101\110\116 \035\049 \040\116\097\103\041 \115\104\111\117\108\100 \098\101 \097 \115\116\114\105\110\103\059 \103\111\116 "..type(x))assert(type(w)=="\116\097\098\108\101","\065\114\103\117\109\101\110\116 \035\050 \040\099\108\097\115\115\041 \115\104\111\117\108\100 \098\101 \097 \116\097\098\108\101\059 \103\111\116 "..type(w))assert(type(w.new)=="\102\117\110\099\116\105\111\110","\067\108\097\115\115 \109\117\115\116 \099\111\110\116\097\105\110 \097 \046\110\101\119 \099\111\110\115\116\114\117\099\116\111\114 \102\117\110\099\116\105\111\110")assert(type(w.Destroy)=="\102\117\110\099\116\105\111\110","\067\108\097\115\115 \109\117\115\116 \099\111\110\116\097\105\110 \097 \058\068\101\115\116\114\111\121 \102\117\110\099\116\105\111\110")assert(t[x]==nil,"\067\111\109\112\111\110\101\110\116 \097\108\114\101\097\100\121 \098\111\117\110\100 \116\111 \116\104\105\115 \116\097\103")local l=setmetatable({},B)l.Added=Signal.new()l.Removed=Signal.new()l._maid=Maid.new()l._lifecycleMaid=Maid.new()l._tag=x l._class=w l._objects={}l._instancesToObjects={}l._hasHeartbeatUpdate=type(w.HeartbeatUpdate)=="\102\117\110\099\116\105\111\110"l._hasSteppedUpdate=type(w.SteppedUpdate)=="\102\117\110\099\116\105\111\110"l._hasRenderUpdate=type(w.RenderUpdate)=="\102\117\110\099\116\105\111\110"l._hasInit=type(w.Init)=="\102\117\110\099\116\105\111\110"l._hasDeinit=type(w.Deinit)=="\102\117\110\099\116\105\111\110"l._renderPriority=R or Enum.RenderPriority.Last.Value l._lifecycle=false l._nextId=0 l._maid:GiveTask((CollectionService:GetInstanceAddedSignal(x)):Connect(function(x)if W(x)then l:_instanceAdded(x)end end))l._maid:GiveTask((CollectionService:GetInstanceRemovedSignal(x)):Connect(function(x)l:_instanceRemoved(x)end))l._maid:GiveTask(l._lifecycleMaid)do local B=Instance.new("\066\105\110\100\097\098\108\101\069\118\101\110\116")for x,t in ipairs(CollectionService:GetTagged(x))do if W(t)then local x=B.Event:Connect(function()l:_instanceAdded(t)end)B:Fire()x:Disconnect()end end B:Destroy()end t[x]=l l._maid:GiveTask(function()t[x]=nil end)return l end function B._startHeartbeatUpdate(x)local B=x._objects x._heartbeatUpdate=RunService.Heartbeat:Connect(function(x)for B,t in ipairs(B)do t:HeartbeatUpdate(x)end end)x._lifecycleMaid:GiveTask(x._heartbeatUpdate)end function B._startSteppedUpdate(x)local B=x._objects x._steppedUpdate=RunService.Stepped:Connect(function(x,t)for x,B in ipairs(B)do B:SteppedUpdate(t)end end)x._lifecycleMaid:GiveTask(x._steppedUpdate)end function B._startRenderUpdate(x)local B=x._objects x._renderName=x._tag.."\082\101\110\100\101\114\085\112\100\097\116\101"RunService:BindToRenderStep(x._renderName,x._renderPriority,function(x)for B,t in ipairs(B)do t:RenderUpdate(x)end end)x._lifecycleMaid:GiveTask(function()RunService:UnbindFromRenderStep(x._renderName)end)end function B._startLifecycle(x)x._lifecycle=true if x._hasHeartbeatUpdate then x:_startHeartbeatUpdate()end if x._hasSteppedUpdate then x:_startSteppedUpdate()end if x._hasRenderUpdate then x:_startRenderUpdate()end end function B._stopLifecycle(x)x._lifecycle=false x._lifecycleMaid:DoCleaning()end function B._instanceAdded(B,x)if B._instancesToObjects[x]then return end if not B._lifecycle then B:_startLifecycle()end B._nextId=B._nextId+1 local t=B._tag..tostring(B._nextId)if IS_SERVER then x:SetAttribute(ATTRIBUTE_ID_NAME,t)end local W=B._class.new(x)W.Instance=x W._id=t B._instancesToObjects[x]=W table.insert(B._objects,W)if B._hasInit then Thread.Spawn(function()if B._instancesToObjects[x]~=W then return end W:Init()end)end B.Added:Fire(W)return W end function B._instanceRemoved(B,x)B._instancesToObjects[x]=nil for t,W in ipairs(B._objects)do if W.Instance==x then if B._hasDeinit then W:Deinit()end if IS_SERVER and(x.Parent and x:GetAttribute(ATTRIBUTE_ID_NAME)~=nil)then x:SetAttribute(ATTRIBUTE_ID_NAME,nil)end B.Removed:Fire(W)W:Destroy()W._destroyed=true TableUtil.FastRemove(B._objects,t)break end end if#B._objects==0 and B._lifecycle then B:_stopLifecycle()end end function B.GetAll(x)return TableUtil.CopyShallow(x._objects)end function B.GetFromInstance(B,x)return B._instancesToObjects[x]end function B.GetFromID(B,x)for B,t in ipairs(B._objects)do if t._id==x then return t end end return nil end function B.Filter(B,x)return TableUtil.Filter(B._objects,x)end function B.WaitFor(t,x,B)local W=type(x)=="\115\116\114\105\110\103"local function w(B)return W and B.Instance.Name==x or not W and B.Instance==x end for x,B in ipairs(t._objects)do if w(B)then return Promise.Resolve(B)end end local R=nil return((Promise.FromEvent(t.Added,function(x)R=x return w(x)end)):Then(function()return R end)):Timeout(B or DEFAULT_WAIT_FOR_TIMEOUT)end function B.Destroy(x)x._maid:Destroy()end return B

local DESCENDANT_WHITELIST = {workspace, Players}

local Component = {}
Component.__index = Component

local componentsByTag = {}


local function IsDescendantOfWhitelist(instance)
	for _,v in ipairs(DESCENDANT_WHITELIST) do
		if (instance:IsDescendantOf(v)) then
			return true
		end
	end
	return false
end


function Component.FromTag(tag)
	return componentsByTag[tag]
end


function Component.Auto(folder)
	local function Setup(moduleScript)
		local m = require(moduleScript)
		assert(type(m) == "table", "Expected table for component")
		assert(type(m.Tag) == "string", "Expected .Tag property")
		Component.new(m.Tag, m, m.RenderPriority)
	end
	for _,v in ipairs(folder:GetDescendants()) do
		if (v:IsA("ModuleScript")) then
			Setup(v)
		end
	end
	folder.DescendantAdded:Connect(function(v)
		if (v:IsA("ModuleScript")) then
			Setup(v)
		end
	end)
end


function Component.new(tag, class, renderPriority)

	assert(type(tag) == "string", "Argument #1 (tag) should be a string; got " .. type(tag))
	assert(type(class) == "table", "Argument #2 (class) should be a table; got " .. type(class))
	assert(type(class.new) == "function", "Class must contain a .new constructor function")
	assert(type(class.Destroy) == "function", "Class must contain a :Destroy function")
	assert(componentsByTag[tag] == nil, "Component already bound to this tag")

	local self = setmetatable({}, Component)

	self.Added = Signal.new()
	self.Removed = Signal.new()

	self._maid = Maid.new()
	self._lifecycleMaid = Maid.new()
	self._tag = tag
	self._class = class
	self._objects = {}
	self._instancesToObjects = {}
	self._hasHeartbeatUpdate = (type(class.HeartbeatUpdate) == "function")
	self._hasSteppedUpdate = (type(class.SteppedUpdate) == "function")
	self._hasRenderUpdate = (type(class.RenderUpdate) == "function")
	self._hasInit = (type(class.Init) == "function")
	self._hasDeinit = (type(class.Deinit) == "function")
	self._renderPriority = renderPriority or Enum.RenderPriority.Last.Value
	self._lifecycle = false
	self._nextId = 0

	self._maid:GiveTask(CollectionService:GetInstanceAddedSignal(tag):Connect(function(instance)
		if (IsDescendantOfWhitelist(instance)) then
			self:_instanceAdded(instance)
		end
	end))

	self._maid:GiveTask(CollectionService:GetInstanceRemovedSignal(tag):Connect(function(instance)
		self:_instanceRemoved(instance)
	end))

	self._maid:GiveTask(self._lifecycleMaid)

	do
		local b = Instance.new("BindableEvent")
		for _,instance in ipairs(CollectionService:GetTagged(tag)) do
			if (IsDescendantOfWhitelist(instance)) then
				local c = b.Event:Connect(function()
					self:_instanceAdded(instance)
				end)
				b:Fire()
				c:Disconnect()
			end
		end
		b:Destroy()
	end

	componentsByTag[tag] = self
	self._maid:GiveTask(function()
		componentsByTag[tag] = nil
	end)

	return self

end


function Component:_startHeartbeatUpdate()
	local all = self._objects
	self._heartbeatUpdate = RunService.Heartbeat:Connect(function(dt)
		for _,v in ipairs(all) do
			v:HeartbeatUpdate(dt)
		end
	end)
	self._lifecycleMaid:GiveTask(self._heartbeatUpdate)
end


function Component:_startSteppedUpdate()
	local all = self._objects
	self._steppedUpdate = RunService.Stepped:Connect(function(_, dt)
		for _,v in ipairs(all) do
			v:SteppedUpdate(dt)
		end
	end)
	self._lifecycleMaid:GiveTask(self._steppedUpdate)
end


function Component:_startRenderUpdate()
	local all = self._objects
	self._renderName = (self._tag .. "RenderUpdate")
	RunService:BindToRenderStep(self._renderName, self._renderPriority, function(dt)
		for _,v in ipairs(all) do
			v:RenderUpdate(dt)
		end
	end)
	self._lifecycleMaid:GiveTask(function()
		RunService:UnbindFromRenderStep(self._renderName)
	end)
end


function Component:_startLifecycle()
	self._lifecycle = true
	if (self._hasHeartbeatUpdate) then
		self:_startHeartbeatUpdate()
	end
	if (self._hasSteppedUpdate) then
		self:_startSteppedUpdate()
	end
	if (self._hasRenderUpdate) then
		self:_startRenderUpdate()
	end
end


function Component:_stopLifecycle()
	self._lifecycle = false
	self._lifecycleMaid:DoCleaning()
end


function Component:_instanceAdded(instance)
	if (self._instancesToObjects[instance]) then return end
	if (not self._lifecycle) then
		self:_startLifecycle()
	end
	self._nextId = (self._nextId + 1)
	local id = (self._tag .. tostring(self._nextId))
	if (IS_SERVER) then
		instance:SetAttribute(ATTRIBUTE_ID_NAME, id)
	end
	local obj = self._class.new(instance)
	obj.Instance = instance
	obj._id = id
	self._instancesToObjects[instance] = obj
	table.insert(self._objects, obj)
	if (self._hasInit) then
		Thread.Spawn(function()
			if (self._instancesToObjects[instance] ~= obj) then return end
			obj:Init()
		end)
	end
	self.Added:Fire(obj)
	return obj
end


function Component:_instanceRemoved(instance)
	self._instancesToObjects[instance] = nil
	for i,obj in ipairs(self._objects) do
		if (obj.Instance == instance) then
			if (self._hasDeinit) then
				obj:Deinit()
			end
			if (IS_SERVER and instance.Parent and instance:GetAttribute(ATTRIBUTE_ID_NAME) ~= nil) then
				instance:SetAttribute(ATTRIBUTE_ID_NAME, nil)
			end
			self.Removed:Fire(obj)
			obj:Destroy()
			obj._destroyed = true
			TableUtil.FastRemove(self._objects, i)
			break
		end
	end
	if (#self._objects == 0 and self._lifecycle) then
		self:_stopLifecycle()
	end
end


function Component:GetAll()
	return TableUtil.CopyShallow(self._objects)
end


function Component:GetFromInstance(instance)
	return self._instancesToObjects[instance]
end


function Component:GetFromID(id)
	for _,v in ipairs(self._objects) do
		if (v._id == id) then
			return v
		end
	end
	return nil
end


function Component:Filter(filterFunc)
	return TableUtil.Filter(self._objects, filterFunc)
end


function Component:WaitFor(instance, timeout)
	local isName = (type(instance) == "string")
	local function IsInstanceValid(obj)
		return ((isName and obj.Instance.Name == instance) or ((not isName) and obj.Instance == instance))
	end
	for _,obj in ipairs(self._objects) do
		if (IsInstanceValid(obj)) then
			return Promise.Resolve(obj)
		end
	end
	local lastObj = nil
	return Promise.FromEvent(self.Added, function(obj)
		lastObj = obj
		return IsInstanceValid(obj)
	end):Then(function()
		return lastObj
	end):Timeout(timeout or DEFAULT_WAIT_FOR_TIMEOUT)
end


function Component:Destroy()
	self._maid:Destroy()
end


return Component
