-- [[ Rscripts Risk Notice ]]
-- This script is not verified by rscripts.net. Deal with caution.
--
-- Stay safe:
--   • Never log in on unofficial Roblox sites or lookalike domains.
--   • Real Roblox links use roblox.com (check the .com ending).
--   • Treat fake Roblox login / "claim reward" pages as phishing.
-- [[ End Rscripts Risk Notice ]]
getgenv().Config = {
    Enabled = true,
    TargetPart = "Head",
    FOV = 250,
    Color = Color3.fromRGB(0, 255, 255),
    Thickness = 1.5,
    ShowFOV = true
}

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Camera = workspace.CurrentCamera
local LocalPlayer = Players.LocalPlayer

local fovCircle = Drawing.new("Circle")
fovCircle.Filled = false
fovCircle.NumSides = 30
fovCircle.Thickness = Config.Thickness
fovCircle.Color = Config.Color
fovCircle.Visible = Config.ShowFOV

local headCache = {}
local headSet = {}

local function addHead(part)
    if part:IsA("BasePart") and part.Name == Config.TargetPart then
        local parent = part.Parent
        if parent and parent:IsA("Model") then
            if not headSet[part] then
                headSet[part] = true
                table.insert(headCache, part)
            end
        end
    end
end

local function removeHead(part)
    if headSet[part] then
        headSet[part] = nil
        for i = #headCache, 1, -1 do
            if headCache[i] == part then
                table.remove(headCache, i)
                break
            end
        end
    end
end

for _, descendant in ipairs(workspace:GetDescendants()) do
    addHead(descendant)
end
workspace.DescendantAdded:Connect(function(descendant)
    addHead(descendant)
end)
workspace.DescendantRemoving:Connect(function(descendant)
    removeHead(descendant)
end)

local function isIgnored(character, ignoreArg)
    if not ignoreArg then return false end
    if typeof(ignoreArg) == "Instance" and character:IsDescendantOf(ignoreArg) then
        return true
    elseif typeof(ignoreArg) == "table" then
        for _, v in pairs(ignoreArg) do
            if v == character or (typeof(v) == "Instance" and character:IsDescendantOf(v)) then
                return true
            end
        end
    end
    return false
end

local function getTargetNotClosestToCamera(ignoreArg)
    local cameraPos = Camera.CFrame.Position
    local viewportSize = Camera.ViewportSize
    local screenCenter = Vector2.new(viewportSize.X / 2, viewportSize.Y / 2)
    local closestHeadToCam = nil
    local shortestCamDistance = math.huge
    local targetsInFOV = {}
    for i = #headCache, 1, -1 do
        local part = headCache[i]
        if not part or not part.Parent then
            table.remove(headCache, i)
            headSet[part] = nil
            continue
        end
        local parentModel = part.Parent
        if not parentModel:IsA("Model") then
            removeHead(part)
            continue
        end
        if LocalPlayer.Character and (parentModel == LocalPlayer.Character or part:IsDescendantOf(LocalPlayer.Character)) then
            continue
        end
        if isIgnored(parentModel, ignoreArg) then
            continue
        end
        local camDist = (part.Position - cameraPos).Magnitude
        if camDist < shortestCamDistance then
            shortestCamDistance = camDist
            closestHeadToCam = part
        end
        local viewportPos, onScreen = Camera:WorldToViewportPoint(part.Position)
        if onScreen and viewportPos.Z > 0 then
            local screenDist = (Vector2.new(viewportPos.X, viewportPos.Y) - screenCenter).Magnitude
            if screenDist <= Config.FOV then
                table.insert(targetsInFOV, {
                    part = part,
                    screenDist = screenDist
                })
            end
        end
    end
    local validTargets = {}
    for _, item in ipairs(targetsInFOV) do
        if item.part ~= closestHeadToCam then
            table.insert(validTargets, item)
        end
    end
    if #validTargets == 0 then
        return nil
    end
    table.sort(validTargets, function(a, b) return a.screenDist < b.screenDist end)
    return validTargets[1].part
end

RunService.RenderStepped:Connect(function()
    local viewportSize = Camera.ViewportSize
    local screenCenter = Vector2.new(viewportSize.X / 2, viewportSize.Y / 2)
    fovCircle.Visible = Config.ShowFOV
    fovCircle.Radius = Config.FOV
    fovCircle.Position = screenCenter
    fovCircle.Color = Config.Color
    fovCircle.Thickness = Config.Thickness
end)

local bulletServicePath = ReplicatedStorage:WaitForChild("Shared"):WaitForChild("Services"):WaitForChild("BulletService")
local success, BulletServiceModule = pcall(function()
    return require(bulletServicePath)
end)

if success and BulletServiceModule then
    local oldDischarge
    oldDischarge = hookfunction(BulletServiceModule.Discharge, newcclosure(function(self, originCFrame, p3, p4, p5, p6, p7, p8, ignoreList, ...)
        if Config.Enabled then
            local target = getTargetNotClosestToCamera(ignoreList)
            if target then
                originCFrame = CFrame.new(originCFrame.Position, target.Position)
            end
        end
        return oldDischarge(self, originCFrame, p3, p4, p5, p6, p7, p8, ignoreList, ...)
    end))
end