TEST_zap 0.6.1

A blazingly fast networking solution for Roblox.
Documentation 
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local ReplicatedStorage = game:GetService("ReplicatedStorage")
local RunService = game:GetService("RunService")

local outgoing_buff: buffer
local outgoing_used: number
local outgoing_size: number
local outgoing_inst: { Instance }
local outgoing_apos: number

local incoming_buff: buffer
local incoming_read: number
local incoming_inst: { Instance }
local incoming_ipos: number

-- thanks to https://dom.rojo.space/binary.html#cframe
local CFrameSpecialCases = {
	CFrame.Angles(0, 0, 0),
	CFrame.Angles(math.rad(90), 0, 0),
	CFrame.Angles(0, math.rad(180), math.rad(180)),
	CFrame.Angles(math.rad(-90), 0, 0),
	CFrame.Angles(0, math.rad(180), math.rad(90)),
	CFrame.Angles(0, math.rad(90), math.rad(90)),
	CFrame.Angles(0, 0, math.rad(90)),
	CFrame.Angles(0, math.rad(-90), math.rad(90)),
	CFrame.Angles(math.rad(-90), math.rad(-90), 0),
	CFrame.Angles(0, math.rad(-90), 0),
	CFrame.Angles(math.rad(90), math.rad(-90), 0),
	CFrame.Angles(0, math.rad(90), math.rad(180)),
	CFrame.Angles(0, math.rad(-90), math.rad(180)),
	CFrame.Angles(0, math.rad(180), math.rad(0)),
	CFrame.Angles(math.rad(-90), math.rad(-180), math.rad(0)),
	CFrame.Angles(0, math.rad(0), math.rad(180)),
	CFrame.Angles(math.rad(90), math.rad(180), math.rad(0)),
	CFrame.Angles(0, math.rad(0), math.rad(-90)),
	CFrame.Angles(0, math.rad(-90), math.rad(-90)),
	CFrame.Angles(0, math.rad(-180), math.rad(-90)),
	CFrame.Angles(0, math.rad(90), math.rad(-90)),
	CFrame.Angles(math.rad(90), math.rad(90), 0),
	CFrame.Angles(0, math.rad(90), 0),
	CFrame.Angles(math.rad(-90), math.rad(90), 0),
}

local function alloc(len: number)
	if outgoing_used + len > outgoing_size then
		while outgoing_used + len > outgoing_size do
			outgoing_size = outgoing_size * 1.5
		end

		local new_buff = buffer.create(outgoing_size)
		buffer.copy(new_buff, 0, outgoing_buff, 0, outgoing_used)

		outgoing_buff = new_buff
	end

	outgoing_apos = outgoing_used
	outgoing_used = outgoing_used + len

	return outgoing_apos
end

local function read(len: number)
	local pos = incoming_read
	incoming_read = incoming_read + len

	return pos
end

local function save()
	return {
		buff = outgoing_buff,
		used = outgoing_used,
		size = outgoing_size,
		inst = outgoing_inst,
	}
end

local function load(data: {
	buff: buffer,
	used: number,
	size: number,
	inst: { Instance },
})
	outgoing_buff = data.buff
	outgoing_used = data.used
	outgoing_size = data.size
	outgoing_inst = data.inst
end

local function load_empty()
	outgoing_buff = buffer.create(64)
	outgoing_used = 0
	outgoing_size = 64
	outgoing_inst = {}
end

load_empty()

local types = {}