rewrite buffer instance type serialization for fix issues

src/Index/Client/ClientProcess/init.luau

@@ -230,10 +230,10 @@ function ClientProcess.start()
 			end
 		end
 	end)
-	local function onClientNetworkReceive(Identifier: buffer | string, data: buffer)
+	local function onClientNetworkReceive(Identifier: buffer | string, data: buffer, ref: { any }?)
 		if not Identifier or not data then return end
 		Identifier = Buffer.convert(Identifier :: buffer)
-		local read = Buffer.read(data)
+		local read = Buffer.read(data, ref)
 		if not read then return end
 		for idx: string in registeredIdentifier do
 			if idx ~= Identifier then continue end

src/Index/Server/ServerProcess/init.luau

@@ -303,10 +303,10 @@ function ServerProcess.start()
 			end
 		end
 	end)
-	local function onServerNetworkReceive(player: Player, Identifier: buffer | string, data: buffer)
+	local function onServerNetworkReceive(player: Player, Identifier: buffer | string, data: buffer, ref: { any }?)
 		if not Identifier or not data then return end
 		Identifier = Buffer.convert(Identifier :: buffer)
-		local read = Buffer.read(data)
+		local read = Buffer.read(data, ref)
 		if not read then return end
 		for idx: string in registeredIdentifier do
 			if idx ~= Identifier then continue end

src/Index/Util/Buffer/Dedicated.luau

@@ -56,13 +56,15 @@ function DedicatedBuffer.build(self: any): buffer
 	return build
 end
 
-function DedicatedBuffer.buildAndRemove(self: any): buffer
+function DedicatedBuffer.buildAndRemove(self: any): (buffer, (any)?)
 	local p: number = self.next > self.point and self.next or self.point
 	local build: buffer = create(p)
+	local ref = #self.ref > 0 and table.clone(self.ref) or nil
 
 	copy(build, 0, self.buffer, 0, p)
+	
 	self:remove()
-	return build
+	return build, ref
 end
 
 function DedicatedBuffer.wi8(self: any, val: number, alloc: number?)
@@ -124,14 +126,20 @@ function DedicatedBuffer.wType(self: any, ref: number)
 	self.point += 1
 end
 
+function DedicatedBuffer.wRef(self: any, value: any, alloc: number?)
+	self:alloc(alloc or 1)
+	table.insert(self.ref, value)
+	local index = #self.ref
+	writeu8(self.buffer, self.point, index)
+	self.point += 1
+end
+
 function DedicatedBuffer.pack(self: any, data: {any})
 	if typeof(data) == "nil" then
 		self:wi8(0)
 	elseif typeof(data) == "Instance" then
 		self:wi8(-1) -- Instance marker
-		self:pack(data.ClassName) -- Serialize ClassName
+		self:wRef(data)
-		self:pack(data.Name) -- Serialize Name
-		self:pack(data:GetAttributes())
 	elseif typeof(data) == "table" then
 		--local isArray = (next(data) ~= nil and #data > 0) and true or false
 		local isArray = true
@@ -232,6 +240,7 @@ function DedicatedBuffer.flush(self: any)
 	self.next = default.next
 	self.size = default.size
 	self.buffer = create(default.bufferSize)
+	table.clear(self.ref)
 end
 
 function DedicatedBuffer.new()
@@ -239,7 +248,8 @@ function DedicatedBuffer.new()
 		point = default.point,
 		next = default.next,
 		size = default.size,
-		buffer = create(default.bufferSize)
+		buffer = create(default.bufferSize),
+		ref = {},
 	}, DedicatedBuffer)
 end
 

src/Index/Util/Buffer/init.luau

@@ -18,28 +18,27 @@ local readf64 = buffer.readf64
 local readstring = buffer.readstring
 local len = buffer.len
 
-local function readValue(b: buffer, position: number): (any, number)
+local function readValue(b: buffer, position: number, ref: { any }?): (any, number)
 	local typeByte = readi8(b, position)
 	position += 1
 	if typeByte == 0 then -- nil
 		return nil, position
 	elseif typeByte == -1 then -- Instance
-		local className, position1 = readValue(b, position)
+		if not ref or #ref == 0 then
-		local name, position2 = readValue(b, position1)
+			return nil, position + 1
-		local properties, position3 = readValue(b, position2)
-		local instance: Instance = Instance.new(className)
-		instance.Name = name
-		for key, value in properties do
-			instance:SetAttribute(key, value)
 		end
-		return instance, position3
+		local value = table.remove(ref, readu8(b, position))
+		if typeof(value) == "Instance" then
+			return value, position + 1
+		end
+		return nil, position + 1
 	elseif typeByte == -2 then -- array
 		local length = readu16(b, position)
 		position += 2
 		local array = {}
 		for _ = 1, length do
 			local value
-			value, position = readValue(b, position)
+			value, position = readValue(b, position, ref)
 			table.insert(array, value)
 		end
 		return array, position
@@ -49,8 +48,8 @@ local function readValue(b: buffer, position: number): (any, number)
 		local dict = {}
 		for _ = 1, length do
 			local key, value
-			key, position = readValue(b, position)
+			key, position = readValue(b, position, ref)
-			value, position = readValue(b, position)
+			value, position = readValue(b, position, ref)
 			dict[key] = value
 		end
 		return dict, position
@@ -129,18 +128,18 @@ function Buffer.revert(s: string): buffer
 	return fromstring(s)
 end
 
-function Buffer.write(data: { any }): buffer
+function Buffer.write(data: { any }): (buffer, (any)?)
 	local newBuffer = Dedicated()
 	newBuffer:pack(data)
 	return newBuffer:buildAndRemove()
 end
 
-function Buffer.read(b: buffer): any?
+function Buffer.read(b: buffer, ref: { any }?): any?
 	local position = 0
 	local result = {}
 	while position < len(b) do
 		local value
-		value, position = readValue(b, position)
+		value, position = readValue(b, position, ref)
 		table.insert(result, value)
 	end
 	return table.unpack(result)