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How to load table of data as objects?

Asked by
YourAverageMyth 45
1 year ago

I have a data saving script and I would like to store all the objects inside the folder and save them but I do not know how I would load the data. Saving works perfectly fine but I do not know how to take the table of data and make new objects based on that.

Here is my code:

local Players = game:GetService("Players")

-- DataStores

local DSService = game:GetService("DataStoreService")
local data = DSService:GetDataStore("saveData")

local function PlayerJoined(player)

    local key = player.UserId
    local dataFolder = Instance.new("Folder", player)
    dataFolder.Name = "Data"

    local onMenu = Instance.new("BoolValue", dataFolder)
    onMenu.Name = "onMenu"
    onMenu.Value = true

    if data:GetAsync(key) == nil then
        local Inventory = Instance.new("Folder", dataFolder)
        Inventory.Name = "Inventory"
    else 

        local loadedData = data:GetAsync(key)

        -- load data here

    end
end

local function PlayerRemoving(player)

    local key = player.UserId

    local tab = {}

    for _, v in ipairs(player:WaitForChild("Data"):GetDescendants()) do

        if (not v:IsA("Folder")) then
            table.insert(tab,{ v.Name, tostring(v.Value), v.ClassName, tostring(v.Parent)})
        else
            table.insert(tab,{ v.Name, v.ClassName, tostring(v.Parent)})
        end

    end
        data:SetAsync(key, tab)
        print(tab)
end


Players.PlayerAdded:Connect(PlayerJoined)
Players.PlayerRemoving:Connect(PlayerRemoving)

1 answer

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1
Answered by
xInfinityBear 1777 Moderation Voter
1 year ago
Edited 1 year ago

I'd personally set indexes to the corresponding values so they are easier to find when loading them. Such as:

local function PlayerRemoving(player)

    local key = player.UserId

    local tab = {}

    for _, v in ipairs(player:WaitForChild("Data"):GetDescendants()) do

        if (not v:IsA("Folder")) then
            table.insert(tab,{Name = v.Name, Value = tostring(v.Value), ClassName = v.ClassName, Parent = tostring(v.Parent)})
        else
            table.insert(tab,{Name = v.Name, ClassName = v.ClassName, Parent = tostring(v.Parent)})
        end
    end
    data:SetAsync(key, tab)
    print(tab)
end

From there, since you now have indexes that correspond to their values, it'll be much easier to find and load them.

local function newInstance(instance, properties)

    instance.Name = properties.Name

    if properties.Value then
        instance.Value = properties.Value
    end
    return instance
end

local function PlayerJoined(player)

    local key = player.UserId
    local dataFolder = Instance.new("Folder", player)
    dataFolder.Name = "Data"

    local onMenu = Instance.new("BoolValue", dataFolder)
    onMenu.Name = "onMenu"
    onMenu.Value = true

    if data:GetAsync(key) == nil then
        local Inventory = Instance.new("Folder", dataFolder)
        Inventory.Name = "Inventory"
    else 
        local loadedData = data:GetAsync(key)

        if loadedData then
            -- load data here
            for index, properties in pairs(loadedData) do
                local instance = newInstance(Instance.new(properties.ClassName), properties)

                local parent = player:FindFirstChild(properties.Parent, true)
                instance.Parent = parent
            end
        end
    end
end

You should also be wrapping Async in a pcall function, as Async can fail and error.

0
works very well but for some reason it will not set the value correctly. YourAverageMyth 45 — 1y
0
Hmm.. I can't see anything in the script that would be causing that problem. Try printing the properties table and see if it has the correct value for the instance being loaded. xInfinityBear 1777 — 1y
0
ive tried multiple prints and everything seems fine but it keeps setting it to true. YourAverageMyth 45 — 1y
0
figured it out, its because properties.Value is a string and you cant set instance.Value to a string because its a bool value YourAverageMyth 45 — 1y
0
Glad you figured it out. xInfinityBear 1777 — 1y
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