Useful functions for maintaining yo network ownership

Simulation.lua

-- Simulation
-- 0866
-- October 14, 2020



local Simulation = {}

local physics = settings():GetService("PhysicsSettings")
local client = game:GetService("Players").LocalPlayer

local connection

local sethiddenproperty, setsimulationradius do
    if (game:GetService("RunService"):IsStudio()) then
        function sethiddenproperty(t, i, v)
            t[i] = v
        end
    
        function setsimulationradius(radius, maxRadius)
            if (maxRadius) then
                client.MaximumSimulationRadius = maxRadius
            end
            client.SimulationRadius = radius
        end
    else
        sethiddenproperty = getfenv().sethiddenproperty
        setsimulationradius = getfenv().setsimulationradius

        if (not sethiddenproperty) then
            warn("Unable to use 'sethiddenproperty'")
        end
    
        if (not setsimulationradius) then
            warn("Unable to use 'setsimulationradius'")
        end
    end
end


function Simulation.DisallowSleep()
    physics.AllowSleep = false
end


function Simulation.AllowSleep()
    physics.AllowSleep = true
end


function Simulation.Extend()
    -- Don't multiply math.huge by math.huge -_-
    if (not setsimulationradius) then return end
    setsimulationradius(9e9, 9e9)
end


function Simulation.ReduceOthers()
    if (not sethiddenproperty) then return end
    for _,player in ipairs(game:GetService("Players"):GetPlayers()) do
        if (player ~= client) then
            sethiddenproperty(player, "SimulationRadius", 0)
            sethiddenproperty(player, "MaximumSimulationRadius", 0)
        end
    end
end


function Simulation:Start()
    connection = game:GetService("RunService").Stepped:Connect(function()
        self.Extend()
        self.ReduceOthers()
        self.DisallowSleep()
    end)
end


function Simulation:Stop()
    if (connection) then
        connection:Disconnect()
    end
    for _,player in ipairs(game:GetService("Players"):GetPlayers()) do
        sethiddenproperty(player, "SimulationRadius", math.random(8, 22))
        sethiddenproperty(player, "MaximumSimulationRadius", math.random(1000, 1300))
    end
    self.AllowSleep()
end


return Simulation