local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Workspace = game:GetService("Workspace")
local lp = game:GetService("Players").LocalPlayer
local Camera = Workspace.CurrentCamera
local BulletHandler = require(ReplicatedStorage.ModuleScripts.GunModules.BulletHandler)

local function getClosestToCrosshair()
    local closestDist = math.huge
    local closestPlayer = nil
    local mousePos = Camera.ViewportSize / 2
    for _, player in pairs(game:GetService("Players"):GetPlayers()) do
        if player ~= lp and player.Character and player.Character:FindFirstChild("Head") and player.Character:FindFirstChild("Humanoid") then
            if player.Character.Humanoid.Health > 0 then
                local screenPos, onScreen = Camera:WorldToViewportPoint(player.Character.Head.Position)
                if onScreen then
                    local dist = (Vector2.new(screenPos.X, screenPos.Y) - mousePos).Magnitude
                    if dist < closestDist then
                        closestDist = dist
                        closestPlayer = player
                    end
                end
            end
        end
    end
    return closestPlayer
end

local oldFire = BulletHandler.Fire
BulletHandler.Fire = function(arg1)
    if not (arg1 and arg1.Misc) then return oldFire(arg1) end

    local target = getClosestToCrosshair()
    if target and target.Character and target.Character:FindFirstChild("Head") then
        local headPos = target.Character.Head.Position
        arg1.Direction = (headPos - arg1.Origin).Unit
        if arg1.Misc then
            arg1.Misc.CamCFrame = CFrame.new(arg1.Origin, headPos)
        end
    end

    oldFire(arg1)
end