--// Silent Aim (Raycast Only) - Core
if not game:IsLoaded() then game.Loaded:Wait() end

local Players = game:GetService("Players")
local Workspace = game:GetService("Workspace")
local Camera = Workspace.CurrentCamera
local UserInputService = game:GetService("UserInputService")

local LocalPlayer = Players.LocalPlayer
local Mouse = LocalPlayer:GetMouse()

local Settings = {
    Enabled = true,
    TeamCheck = false,
    VisibleCheck = false,
    TargetPart = "HumanoidRootPart",
    FOVRadius = 130,
    HitChance = 100
}

local function getMousePosition()
    return UserInputService:GetMouseLocation()
end

local function CalculateChance(percentage)
    return math.random(0, 100) <= percentage
end

local function IsPlayerVisible(Player, targetPartName)
    local character = Player and Player.Character
    local localChar = LocalPlayer.Character
    if not character or not localChar then return false end

    local target = character:FindFirstChild(targetPartName) or character:FindFirstChild("HumanoidRootPart")
    if not target then return false end

    local parts = Camera:GetPartsObscuringTarget({target.Position}, {localChar, character})
    return #parts == 0
end

local function getClosestPlayer()
    local best, bestDist
    local mousePos = getMousePosition()

    for _, pl in ipairs(Players:GetPlayers()) do
        if pl == LocalPlayer then continue end
        if Settings.TeamCheck and pl.Team == LocalPlayer.Team then continue end
        if not pl.Character then continue end

        local humanoid = pl.Character:FindFirstChildOfClass("Humanoid")
        if not humanoid or humanoid.Health <= 0 then continue end

        if Settings.VisibleCheck and not IsPlayerVisible(pl, Settings.TargetPart) then continue end

        local part = pl.Character:FindFirstChild(Settings.TargetPart)
        if not part then continue end

        local screenPos, onScreen = Camera:WorldToViewportPoint(part.Position)
        if not onScreen then continue end

        local dist = (Vector2.new(screenPos.X, screenPos.Y) - Vector2.new(mousePos.X, mousePos.Y)).Magnitude
        if dist <= Settings.FOVRadius and (not bestDist or dist < bestDist) then
            best = part
            bestDist = dist
        end
    end

    return best
end

--// Hook Raycast
local mt = getrawmetatable(game)
local oldNamecall = mt.__namecall
setreadonly(mt, false)

mt.__namecall = function(self, ...)
    local method = getnamecallmethod()
    local args = {...}

    if Settings.Enabled and method == "Raycast" and self == Workspace then
        if CalculateChance(Settings.HitChance) then
            local targetPart = getClosestPlayer()
            if targetPart then
                local origin = args[1]
                local dir = (targetPart.Position - origin).Unit * (args[2].Magnitude)
                args[2] = dir
                return oldNamecall(self, unpack(args))
            end
        end
    end

    return oldNamecall(self, ...)
end

setreadonly(mt, true)