I am trying to make a muting script that doesn't let players talk. At the moment I am at telling which player in the script with no commands but I cant work out or find how to run this function that I created on a specific player, not just mute the entire server.

sv_mute.lua:

util.AddNetworkString( "mute_message" )

ismuted == false
targetPlayer == "Xx_Player_xX"

function checkmute()

    function SendMessage( ply, txt, pub )
        net.Start( "mute_message" )
            net.WriteString( "YOU ARE MUTED, SHUT UP" )
        net.Send( ply )
        return ""
    end
    hook.Add( "PlayerSay", "SendMessage", SendMessage, )
end

Player:checkmute(()targetPlayer)

cl_mute.lua:

function ReceiveMessage()
    local txt = net.ReadString()
    chat.AddText( Color( 0, 255, 0), txt)
end

I have so far got to using Player:checkmute(()targetPlayer) but I assume this is wrong

So at first a few mistakes I have seen on a first quick look.

• You defined a function without a parameter but you try to call it with one
• You did not used the tools Garry gave you already to send messages to players

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Things we will be using to achieve your desired task

• GM:PlayerSay( Player sender, string text, boolean teamChat )
• Player:PrintMessage( number type, string message )

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The solution

-- sv_mute.lua

-- a list of muted players, you need to get them from somewhere (not part of this answer)
mutedPlayers = {
  "StupidMan" = true,
  "AnnoyingKid" = true,
  "ExGirlfriend" = true
}

-- the function that will check if a user is muted
local function checkMuted(--[[ string ]] playername)
  return mutedPlayers[playername]
  -- you probably need to change the code to something else
  -- based on how you store your muted players
end

hook.Add("PlayerSay", "VosemMute_PlayerSay", function(sender, message, teamChat)
  if ( checkMuted(sender:GetName()) ) then
    sender.PrintMessage(HUD_PRINTTALK, "You are muted!")
    return "" -- this will suppress the message
  end
end)

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Some helpful links

• HUD Enumerations (HUD_PRINTTALK)
• Player:GetName()
• hook.Add( string eventName, any identifier, function func )
• Garry's Mod Wiki
• Lua Reference Manual (sadly i do not know which lua version is used by gmod)

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Disclaimer

This code is completely untested and written of my mind. If this does not work and throws some errors let me know that. I'll correct it then.