--LDT Slayer Achievment

local LDTmembers = {
    { "STEAM_0:0:9884005", "Frag" },
    { "STEAM_0:1:535785", "Kazaki" }
    --list all the steamids / members in this table
}

hook.Add( "PlayerDeath", "AchievLDTSlayer", function( victim, weapon, killer )
    local cc = false
    if !victim or !killer then return end
    if !killer:IsPlayer() then return end
    if !killer:GetPData( "AchivLDTslayer" ) then return end
    if killer:GetPData( "AchivLDTslayer" ) == "1" then return end
    for k, v in pairs( LDTmembers ) do
        if k == victim:SteamID() then
            cc = true
        end
    end
    if !cc then return end

    if killer:GetPData( victim:SteamID() ) then
        return end
    elseif killer:GetPData( victim:SteamID() ) == "1" then
        return end
    else
        killer:SetPData( victim:SteamID(), 1 )
        --You can add a notify here: notify( "Bob has killed " ..LDTmembers[ victim:SteamID() ].. " for the first time!" )
    end

    local count = 0
    for k, v in pairs( LDTmembers ) do
        if killer:GetPData( k ) then
            if killer:GetPData( k ) == "1" then
                count = count + 1
            end
        end
    end

    local KillerIsMember = false
    for k, v in pairs( LDTmembers ) do
        if k == killer:SteamID() then
            KillerIsMember = true
        end
    end

    if KillerIsMember then
        if count == ( #LDTmembers - 1 ) then
            killer:SetPData( "AchivLDTslayer", 1 )
        end
    elseif count == #LDTmembers then
        killer:SetPData( "AchivLDTslayer", 1 )
    end

end )