function Initialize()
    if not file.IsDir("skysshit", "DATA") then
        file.CreateDir("skysshit","DATA")
    end
end
Initialize()

function LoadPlayer( ply )
    local userDataFile = "skysshit/" .. ply:SteamID64() .. ".txt"
    if file.Exists( userDataFile, "DATA") then
        local playerData = util.JSONToTable( file.Read(userDataFile, "DATA"))
        ply.pilot = playerData.pilot or false
        ply.medic = playerData.medic or false
        ply.de = playerData.de or false
    else
        ply.pilot = false
        ply.medic = false
        ply.de = false
    end
end
hook.Add( "PlayerInitialSpawn", "LoadPlayerData", LoadPlayer )

function SavePlayer( ply )
    local userDataFile = "skysshit/" .. ply:SteamID64() .. ".txt"
    data = {
        pilot = ply.pilot,
        medic = ply.medic,
        de = ply.de
    }
    file.Write(userDataFile, util.TableToJSON(data))
end
hook.Add( "PlayerDisconnected", "SavePlayerDisconnect", SavePlayer )

hook.Add( "ShutDown", "SaveAllPlayerData", function()
    for _, ply in ipairs( player.GetAll() ) do
        SavePlayer( ply )
    end
end)