Roblox Lua Sword Combat

-- Local Script (Animations)
local plr = game.Players.LocalPlayer
local char = plr.Character or plr.CharacterAdded:Wait()
local humanoid = char:WaitForChild("Humanoid")

local RepStorage = game:GetService("ReplicatedStorage")
local UIS = game:GetService("UserInputService")
local Remotes = RepStorage:WaitForChild("Remotes")

local Sword = nil
local Hit = 0
local Cooldown = false

local MCD = false
local MCD2 = 0.5
local MHit = 0

-- Forward declaration of handleCombo
local handleCombo

plr:WaitForChild("Weapons").ChildAdded:Connect(function(child)
    Sword = child
end)

if not Sword then
    for _, v in plr:WaitForChild("Weapons"):GetChildren() do
        Sword = v
    end
end

local function handleMele()
    if MCD == true then return end

    for _, v in plr:WaitForChild("Weapons"):GetChildren() do
        if v.Value == true then
            Sword = v
            handleCombo()
            return
        end
    end

    local Mele1 = char.Humanoid:FindFirstChildOfClass("Animator"):LoadAnimation(script.Mele.Mele1)
    local Mele2 = char.Humanoid:FindFirstChildOfClass("Animator"):LoadAnimation(script.Mele.Mele2)

    MCD = true

    task.delay(MCD2, function()
        MCD = false
    end)

    if MHit == 0 then
        MHit += 1
        Mele1:Play()
    elseif MHit == 1 then
        MHit = 0
        Mele2:Play()
    end

    RepStorage:WaitForChild("Remotes").AttackRemote:FireServer("Mele")

end

-- Define handleCombo after forward declaration
handleCombo = function()

    if not Sword then
        handleMele()
        return
    end

    if Sword.Value == false then
        handleMele()
        return
    end

    if Cooldown then
        return
    end

    -- Retrieve cooldown and animations
    local CD = Sword:GetAttribute("Cooldown") or 1 -- Default cooldown
    local Anim1 = script.Swords:FindFirstChild(Sword.Name) and script.Swords[Sword.Name]:FindFirstChild("M1Animation")
    local Anim2 = script.Swords:FindFirstChild(Sword.Name) and script.Swords[Sword.Name]:FindFirstChild("M2Animation")

    if not Anim1 or not Anim2 then
        warn("Animations missing for sword:", Sword.Name)
        return
    end

    Cooldown = true
    Hit += 1

    local animator = humanoid:FindFirstChildOfClass("Animator")
    if not animator then
        warn("Animator not found in Humanoid")
        return
    end

    if Hit == 1 then
        animator:LoadAnimation(Anim1):Play()
    elseif Hit == 2 then
        Hit = 0
        animator:LoadAnimation(Anim2):Play()
    end

    RepStorage:WaitForChild("Remotes").AttackRemote:FireServer(Sword)

    task.delay(Hit == 2 and 1.2 or CD, function()
        Cooldown = false
    end)
end

UIS.InputBegan:Connect(function(input, gpe)
    if gpe then return end
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        handleCombo()
    end
end)

-- Server Script (Combat)
local RepStorage = game:GetService("ReplicatedStorage")
local Debris = game:GetService("Debris")

local Remotes = RepStorage:WaitForChild("Remotes")
local AttackRemote = Remotes:WaitForChild("AttackRemote")

local debouncedPlayers = {}

local function createHitbox(root, size, offset, duration)
    local hitbox = Instance.new("Part")
    hitbox.Size = size or Vector3.new(5, 5, 3)
    hitbox.Transparency = 1
    hitbox.CanCollide = false
    hitbox.Anchored = false
    hitbox.CFrame = root.CFrame * (offset or CFrame.new(0, 0, -2.5))
    hitbox.Parent = workspace:WaitForChild("Hitboxes")

    local weld = Instance.new("WeldConstraint", hitbox)
    weld.Part0 = hitbox
    weld.Part1 = root

    Debris:AddItem(hitbox, duration or 0.1)
    return hitbox
end

local function applyKnockback(character, force, direction)
    local rootPart = character:FindFirstChild("HumanoidRootPart")
    if not rootPart then return end

    local bodyVelocity = Instance.new("BodyVelocity")
    bodyVelocity.MaxForce = Vector3.new(100000, 100000, 100000)
    bodyVelocity.Velocity = direction * force
    bodyVelocity.P = 3000
    bodyVelocity.Parent = rootPart

    Debris:AddItem(bodyVelocity, 0.1)
end

local function highlightCharacter(character, color, duration)
    local highlight = script.Highlight:Clone()
    highlight.OutlineColor = color or Color3.fromRGB(217, 255, 161)
    highlight.FillTransparency = 1
    highlight.Parent = character

    Debris:AddItem(highlight, duration or 0.15)
end

local function handleHit(hitCharacter, damage, knockbackForce, knockbackDirection)
    local humanoid = hitCharacter:FindFirstChildOfClass("Humanoid")
    if not humanoid then return end

    local sound = game.SoundService:FindFirstChild("SwordHit") -- Ensure the sound exists
    if sound then
        local swordHitSound = sound:Clone()
        swordHitSound.Parent = hitCharacter:FindFirstChild("HumanoidRootPart") or hitCharacter
        swordHitSound:Play()
        Debris:AddItem(swordHitSound, 1) -- Cleanup after 1 second
    end

    local highlightTemplate = script:FindFirstChild("Highlight")
    if highlightTemplate then
        local highlight = highlightTemplate:Clone()
        highlight.Parent = hitCharacter
        Debris:AddItem(highlight, 0.15) -- Remove after 0.15 seconds
    end

    humanoid:TakeDamage(damage)
    print(damage)

    applyKnockback(hitCharacter, knockbackForce, knockbackDirection)
end

local function processHitbox(hitbox, attacker, damage, knockbackForce)
    hitbox.Touched:Connect(function(hitPart)
        local hitCharacter = hitPart.Parent
        if not hitCharacter or not hitCharacter:FindFirstChild("Humanoid") then return end

        if hitCharacter:FindFirstChild("Unhitable") then
            highlightCharacter(hitCharacter)
            return
        end

        if not debouncedPlayers[attacker] then
            debouncedPlayers[attacker] = true

            local knockbackDirection = (hitCharacter.HumanoidRootPart.Position - attacker.HumanoidRootPart.Position).Unit
            handleHit(hitCharacter, damage, knockbackForce, knockbackDirection)

            task.delay(0.15, function()
                debouncedPlayers[attacker] = nil
            end)
        end
    end)
end

local function startAttack(player, weapon)
    local character = player.Character or player.CharacterAdded:Wait()
    local root = character:FindFirstChild("HumanoidRootPart")

    if not root then return end

    local isMelee = (weapon == "Mele")
    local damage = isMelee and 5 or (weapon:GetAttribute("BaseDamage") + weapon:GetAttribute("Mastery") / 20)
    local knockbackForce = isMelee and 10 or 20

    if not isMelee then
        local sound = game.SoundService.SwordSlash:Clone()
        sound.Parent = root
        sound:Destroy()
    end

    local hitbox = createHitbox(root)
    processHitbox(hitbox, character, damage, knockbackForce)
end

AttackRemote.OnServerEvent:Connect(function(player, weapon)
    startAttack(player, weapon)
end)