-- Zo Samurai Improved Auto Parry Script
-- Detects incoming attacks by checking for fast-moving weapon parts near the player.

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local VirtualInputManager = game:GetService("VirtualInputManager")
local LocalPlayer = Players.LocalPlayer

-- Configuration
local parryCooldown = 0.15 -- Cooldown in seconds. Lower is faster but riskier.
local detectionRange = 25 -- Max range to detect an incoming attack part.
local attackVelocityThreshold = 25 -- How fast a part must be moving to be considered an attack.

-- State variables
local Character
local HumanoidRootPart
local lastParryTime = 0

-- Function to initialize character and its parts
local function initializeCharacter()
    Character = LocalPlayer.Character or LocalPlayer.CharacterAdded:Wait()
    HumanoidRootPart = Character:WaitForChild("HumanoidRootPart")
end

-- Handle character respawns
LocalPlayer.CharacterAdded:Connect(function(newChar)
    Character = newChar
    HumanoidRootPart = newChar:WaitForChild("HumanoidRootPart")
end)

-- Main detection loop
RunService.Heartbeat:Connect(function()
    if not Character or not HumanoidRootPart or not Character.Parent then
        initializeCharacter()
        return
    end

    -- Check cooldown before doing anything
    if (tick() - lastParryTime) < parryCooldown then
        return
    end

    local myPosition = HumanoidRootPart.Position
    local shouldParry = false

    -- Iterate through all players to find potential attackers
    for _, player in ipairs(Players:GetPlayers()) do
        if player ~= LocalPlayer and player.Character and player.Character.Parent then
            local targetCharacter = player.Character
            
            -- Check for fast-moving parts in the target's character and tools
            for _, part in ipairs(targetCharacter:GetDescendants()) do
                if part:IsA("Part") or part:IsA("MeshPart") then
                    -- Check if the part is close enough and moving fast enough
                    if (myPosition - part.Position).Magnitude <= detectionRange then
                        local partVelocity = part.Velocity.Magnitude
                        if partVelocity > attackVelocityThreshold then
                            -- Optional: Check if the part is moving roughly towards the player
                            local directionToPlayer = (myPosition - part.Position).Unit
                            local movementDirection = part.Velocity.Unit
                            
                            if (directionToPlayer:Dot(movementDirection) > -0.2) then
                                shouldParry = true
                                break -- Found an attack, no need to check other parts for this player
                            end
                        end
                    end
                end
            end
        end

        if shouldParry then
            break -- Found an attacker, no need to check other players
        end
    end

    if shouldParry then
        -- Simulate a right-click (M2) to parry
        VirtualInputManager:SendMouseButtonEvent(0, 0, 1, true, game, 1)
        
        -- Update the last parry time immediately
        lastParryTime = tick()

        -- Release the mouse button after a very short duration
        task.spawn(function()
            task.wait(0.1) -- Hold duration
            VirtualInputManager:SendMouseButtonEvent(0, 0, 1, false, game, 1)
        end)
    end
end)

print("Improved Zo Samurai Auto Parry loaded.")