Linked Sword Roblox Script

r = game:service("RunService")

local damage = 0

sword = script.Parent.blade
Tool = script.Parent

local damages,values,sounds = {30,45,65},{Tool.PlaySlash,Tool.PlayThrust,Tool.PlayOverhead},{Tool.Handle.SlashSound,Tool.Handle.OverheadSound,Tool.Handle.LungeSound}
local enabledToDamage = true

function blow(hit)
    if enabledToDamage == false then return end
    enabledToDamage = false
    if (hit.Parent == nil) then enabledToDamage = true return end -- happens when bullet hits sword
    local humanoid = hit.Parent:findFirstChild("Humanoid")
    local vCharacter = Tool.Parent
    local vPlayer = game.Players:playerFromCharacter(vCharacter)
    local hum = vCharacter:findFirstChild("Humanoid") -- non-nil if tool held by a character
    if humanoid~=nil and humanoid ~= hum and hum ~= nil then
        -- final check, make sure sword is in-hand
        local right_arm = vCharacter:FindFirstChild("Right Arm")
        if (right_arm ~= nil) then
            local joint = right_arm:FindFirstChild("RightGrip")
            if (joint ~= nil and (joint.Part0 == sword or joint.Part1 == sword)) then
                tagHumanoid(humanoid, vPlayer)
                humanoid:TakeDamage(damage)
                wait(1)
                untagHumanoid(humanoid)
            else
                enabledToDamage = true
            end
        else
            enabledToDamage = true
        end
    else
        enabledToDamage = true
    end
end


function tagHumanoid(humanoid, player)
    local creator_tag = Instance.new("ObjectValue")
    creator_tag.Value = player
    creator_tag.Name = "creator"
    creator_tag.Parent = humanoid
end

function untagHumanoid(humanoid)
    if humanoid ~= nil then
        local tag = humanoid:findFirstChild("creator")
        if tag ~= nil then
            tag.Parent = nil
        end
    end
end


function attack()
    damage = slash_damage
    script.Parent.Handle.SlashSound:Play()
    script.Parent.PlaySlash.Value = not script.Parent.PlaySlash.Value
end

function lunge()
    damage = lunge_damage
    script.Parent.Handle.LungeSound:Play()
    script.Parent.PlayOverhead.Value = not script.Parent.PlayOverhead.Value
    force = Instance.new("BodyVelocity")
    force.velocity = Vector3.new(0,10,0) --Tool.Parent.Torso.CFrame.lookVector * 80
    force.Parent = Tool.Parent.Torso
    wait(.5)
    force.Parent = nil
    wait(.5)
    damage = slash_damage
end


Tool.Enabled = true
local last_attack = 0
local status = 0

function onActivated()
    if not Tool.Enabled then
        return
    end
    Tool.Enabled = false
    local character = Tool.Parent;
    local humanoid = character.Humanoid
    if humanoid == nil then
        print("Humanoid not found")
        return
    end
    t = r.Stepped:wait()
    if (t - last_attack < 1.5) then
        if status == 3 then
            status = 0
            damage = 0
        else
            status = status + 1
            values[status].Value = not values[status].Value
            damage = damages[status]
            sounds[status]:Play()
            enabledToDamage = true
            wait(0.5)
            enabledToDamage = false
        end
    else
        status = 0
        damage = 0
    end
    last_attack = t
    Tool.Enabled = true
end

function onEquipped()
    wait(1/3)
    Tool.Handle.UnsheathSound:Play()
end

Tool.Equipped:connect(onEquipped)
script.Parent.Activated:connect(onActivated)
connection = sword.Touched:connect(blow)