anti-speedhack

-- Anti-speedhack by Devieth
-- For SAPP

api_version = "1.10.0.0"
update_violation_count = {}
past_update = {}
reset = {}

function OnScriptLoad()
    register_callback(cb['EVENT_TICK'], "OnEventTick")
    register_callback(cb['EVENT_LEAVE'], "OnPlayerLeave")
end

function OnScriptUnload() end

function OnPlayerLeave(PlayerIndex)
    if reset[tonumber(PlayerIndex)] ~= nil then
        if reset[tonumber(PlayerIndex)] > 1 then
            reset[tonumber(PlayerIndex)] = nil
        end
    end
end

function OnEventTick()
    for i = 1,16 do
        if player_present(i) then
            if reset[i] ~= nil then
                if reset[i] >= 1 then
                    for x = 2,26 do rprint(i, " ") end
                    rprint(i, "|cYou have been reset!|ncff0000")
                    rprint(i, "|tPossible issues:|tPlease fix in: "..math.floor(reset[i]/30))
                    rprint(i, "|tPacket loss/lag.")
                    rprint(i, "|tSpeed-hacking.")
                    reset[i] = reset[i] - 1
                end
            end
            local m_player = get_player(i)
            local update = read_word(m_player + 0xF4)
            if past_update[i] then
                local difference = update - past_update[i]
                if difference >= 2 then
                    if update_violation_count[i] ~= nil then
                        update_violation_count[i] = update_violation_count[i] + 1
                        if update_violation_count[i] > 5 then
                            if reset[i] == nil then
                                reset[i] = 30*30
                                destroy_object(read_dword(get_player(i) + 0x34))
                            else
                                if reset[i] < 1 then
                                    say_all("Autokick: "..get_var(i,"$name").. " was kicked due to lag or speed-hack.")
                                    execute_command("sv_kick "..i)
                                end
                            end
                            update_violation_count[i] = 0
                        end
                    else
                        update_violation_count[i] = 1
                    end
                end
            end
            if update_violation_count[i] ~= nil then
                if update_violation_count[i] > 0 then
                    if update == 32 or update == 63 then
                        update_violation_count[i] = update_violation_count[i] - 1
                    end
                end
            end
            past_update[i] = update
        end
    end
end