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function is not working at ALL and is displaying errors everywhere. what happen??

Asked by
codingMASTER398 52
5 years ago

my code:

workspace.buildgui.Value = 0
script.Parent.Parent.Enabled = false
local SP = script.Parent
local slideno = 0
local goleft = script.Parent.goleft
local goright = script.Parent.goright
local buildingsnames = {"hut","stone hut"}
while true do
wait(0.5)
if game.Workspace.buildgui.Value == 1 then
script.Parent.Parent.Enabled = true
if slideno == 0 then
SP.Dinfo.BackgroundTransparency = 1
SP.Dinfo.Text = ""
SP.Dbuy.BackgroundTransparency = 1
SP.Dbuy.Text = ""
SP.Einfo.BackgroundTransparency = 1
SP.Einfo.Text = ""
SP.Ebuy.BackgroundTransparency = 1
SP.Ebuy.Text = ""
SP.Finfo.BackgroundTransparency = 1
SP.Finfo.Text = ""
SP.Fbuy.BackgroundTransparency = 1
SP.Fbuy.Text = ""
SP.Ginfo.BackgroundTransparency = 1
SP.Ginfo.Text = ""
SP.Gbuy.BackgroundTransparency = 1
SP.Gbuy.Text = ""
SP.Hinfo.BackgroundTransparency = 1
SP.Hinfo.Text = ""
SP.Hbuy.BackgroundTransparency = 1
SP.Hbuy.Text = ""
SP.Ainfo.BackgroundTransparency = 0
SP.Ainfo.Text = "info"
SP.Abuy.BackgroundTransparency = 0
SP.Abuy.Text = "buy"
SP.Binfo.BackgroundTransparency = 0
SP.Binfo.Text = "info"
SP.Bbuy.BackgroundTransparency = 0
SP.Bbuy.Text = "buy"
SP.Cinfo.BackgroundTransparency = 1
SP.Cinfo.Text = ""
SP.Cbuy.BackgroundTransparency = 1
SP.Cbuy.Text = ""
SP.Cimage.Visible = false
SP.Dimage.Visible = false
SP.Eimage.Visible = false
SP.Fimage.Visible = false
SP.Gimage.Visible = false
SP.Himage.Visible = false
SP.Aimage.Visible = true
SP.Bimage.Visible = true
function onclickbuy(letter)
if letter == "A" then
print("bfhsfhsljchl;s")
if workspace.hosuesbrought.A.Value == 0 then
game.ReplicatedStorage.Abuy.Parent = workspace
workspace.hosuesbrought.A.Value = 1
end
end
end
script.Parent.Abuy.MouseButton1Click:Connect(onclickbuy("A"))
end
end
if workspace.buildgui.Value == 0 then
SP.Parent.Enabled = false
end
end

the bit wrong is this:

function onclickbuy(letter)
if letter == "A" then
print("bfhsfhsljchl;s")
if workspace.hosuesbrought.A.Value == 0 then
game.ReplicatedStorage.Abuy.Parent = workspace
workspace.hosuesbrought.A.Value = 1
end
end
end
script.Parent.Abuy.MouseButton1Click:Connect(onclickbuy("A"))

when i run this happens 16:25:11.648 - Attempt to connect failed: Passed value is not a function 16:25:11.649 - Stack Begin 16:25:11.650 - Script 'Players.codingMASTER398.PlayerGui.ScreenGui.Frame.LocalScript', Line 62 16:25:11.650 - Stack End bfhsfhsljchl;s 16:25:12.164 - Attempt to connect failed: Passed value is not a function 16:25:12.164 - Stack Begin 16:25:12.165 - Script 'Players.codingMASTER398.PlayerGui.ScreenGui.Frame.LocalScript', Line 62 16:25:12.165 - Stack End bfhsfhsljchl;s 16:25:12.700 - Attempt to connect failed: Passed value is not a function 16:25:12.701 - Stack Begin 16:25:12.702 - Script 'Players.codingMASTER398.PlayerGui.ScreenGui.Frame.LocalScript', Line 62 16:25:12.702 - Stack End bfhsfhsljchl;s 16:25:13.214 - Attempt to connect failed: Passed value is not a function 16:25:13.214 - Stack Begin 16:25:13.215 - Script 'Players.codingMASTER398.PlayerGui.ScreenGui.Frame.LocalScript', Line 62 16:25:13.215 - Stack End 16:25:14.150 - Disconnect from 127.0.0.1|52506 help plzzzzzzzzzz

1 answer

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1
Answered by
User#24403 69
5 years ago

Remember that functions are first class values; table fields can contain references to them, variables can contain references to them, they can be returned by functions and can be passed around as arguments as well. So pass it to :Connect! A function call is a statement and an expression. A function call evaluates to the functions return values if used as expression.

The issue is that you're immediately calling onclickbuy and passing the return value (which there is none) to :Connect. So it gets nil or nothing at all.

script.Parent.Abuy.MouseButton1Click:Connect(onclickbuy)

That will fix the error, but there's one more issue: MouseButton1Click listeners get no arguments! letter will always be nil. If you want to still pass "A" as an argument, you can use a HOF (higher order function). A Higher Order Function is a function that returns a function and/or can take a function as an argument. An example of one is pcall since it takes a function to call in protected mode

local function onclickbuy(letter)
    return function()
        if letter == "A" then
            print("bfhsfhsljchl;s")
            if workspace.hosuesbrought.A.Value == 0 then
                game.ReplicatedStorage.Abuy.Parent = workspace
                workspace.hosuesbrought.A.Value = 1
            end
        end
    end
end
script.Parent.Abuy.MouseButton1Click:Connect(onclickbuy("A"))

And this works! The expression onclickbuy("A") evaluates to a function.

0
Why is there a return at the beginning that just ends the function and returns an empty function Luka_Gaming07 534 — 5y
0
testing... codingMASTER398 52 — 5y
0
IT WOOOOORRRRKKKKKKKSSSS!!!!!!!!! codingMASTER398 52 — 5y
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