_G.FireGunAura = true

local Players = game:GetService("Players")
local Teams = game:GetService("Teams")
local UIS = game:GetService("UserInputService")
local RunService = game:GetService("RunService")

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

local gunOwnerName = LocalPlayer.Name
local defaultGunName = "Glock 17"
local criminalGunName = "MP5"
local FIRE_DELAY = 0.15

local FOV_RADIUS = 150
local HOLD_KEY = Enum.KeyCode.Home
local isHoldingKey = false

local fovCircle = Drawing.new("Circle")
fovCircle.Radius = FOV_RADIUS
fovCircle.Thickness = 1
fovCircle.Filled = false
fovCircle.Transparency = 1
fovCircle.Color = Color3.fromRGB(0, 255, 0)

UIS.InputBegan:Connect(function(input, gameProcessed)
	if input.KeyCode == HOLD_KEY then
		isHoldingKey = true
	end
end)

UIS.InputEnded:Connect(function(input)
	if input.KeyCode == HOLD_KEY then
		isHoldingKey = false
	end
end)

RunService.RenderStepped:Connect(function()
	fovCircle.Visible = _G.FireGunAura
	local mousePos = UIS:GetMouseLocation()
	fovCircle.Position = mousePos
end)

local function getCurrentGunName()
	local team = LocalPlayer.Team
	if team == Teams:FindFirstChild("Criminal") then
		return criminalGunName
	else
		return defaultGunName
	end
end

local function getRemote()
	local currentGunName = getCurrentGunName()
	local owner = workspace:FindFirstChild(gunOwnerName)
	if not owner then return nil end

	local gun = owner:FindFirstChild(currentGunName)
	if gun and gun:FindFirstChild("Network") and gun.Network:FindFirstChild("Fire") then
		return gun.Network.Fire
	end

	local backpackGun = Players[gunOwnerName]
		and Players[gunOwnerName]:FindFirstChild("Backpack")
		and Players[gunOwnerName].Backpack:FindFirstChild(currentGunName)

	if backpackGun and backpackGun:FindFirstChild("Network") and backpackGun.Network:FindFirstChild("Fire") then
		return backpackGun.Network.Fire
	end

	return nil
end

local function getGunOrigin()
	local currentGunName = getCurrentGunName()
	local owner = workspace:FindFirstChild(gunOwnerName)
	if not owner or not owner:FindFirstChild("HumanoidRootPart") then
		return Vector3.new(0, 0, 0)
	end

	local gun = owner:FindFirstChild(currentGunName)
	if gun then
		local muzzle = gun:FindFirstChild("Muzzle") or gun:FindFirstChild("Barrel") or gun.PrimaryPart or gun:FindFirstChild("Handle")
		if muzzle and muzzle:IsA("BasePart") then
			return muzzle.Position
		end
	end

	return owner.HumanoidRootPart.Position
end

local function getDirection(from, to)
	local diff = to - from
	if diff.Magnitude == 0 then
		return Vector3.new(0, 0, 0)
	end
	return diff.Unit
end

local function worldToScreen(pos)
	local cam = workspace.CurrentCamera
	local screenPos, onScreen = cam:WorldToViewportPoint(pos)
	return Vector2.new(screenPos.X, screenPos.Y), onScreen
end

local function isInFOV(targetPos)
	local screenPos, onScreen = worldToScreen(targetPos)
	if not onScreen then return false end

	local mousePos = UIS:GetMouseLocation()
	return (screenPos - mousePos).Magnitude <= FOV_RADIUS
end

local function shouldAttackTarget(targetPlayer)
	if not LocalPlayer.Team or not targetPlayer.Team then return true end

	local localTeam = LocalPlayer.Team
	local targetTeam = targetPlayer.Team

	if localTeam == Teams:FindFirstChild("Inmate") or localTeam == Teams:FindFirstChild("Criminal") then
		if targetTeam == Teams:FindFirstChild("Inmate") or targetTeam == Teams:FindFirstChild("Criminal") then
			return false
		end
	end

	if localTeam == targetTeam then
		return false
	end

	return true
end

task.spawn(function()
	while _G.FireGunAura do
		if not isHoldingKey then
			task.wait(0.1)
			continue
		end

		local remote = getRemote()
		if not remote then
			task.wait(1)
			continue
		end

		local origin = getGunOrigin()

		for _, player in pairs(Players:GetPlayers()) do
			if player ~= LocalPlayer and player.Character then
				local head = player.Character:FindFirstChild("Head")
				local humanoid = player.Character:FindFirstChildOfClass("Humanoid")

				if head and humanoid and humanoid.Health > 0 and shouldAttackTarget(player) and isInFOV(head.Position) then
					local direction = getDirection(origin, head.Position)

					local hitArgs = {
						[1] = "HumanoidHit",
						[2] = origin,
						[3] = direction,
						[4] = head,
						[5] = head.Position,
						[6] = humanoid,
						[7] = 0.061
					}
					pcall(function()
						remote:FireServer(unpack(hitArgs))
					end)

					local fireArgs = {
						[1] = "FireGun",
						[2] = origin,
						[3] = direction
					}
					pcall(function()
						remote:FireServer(unpack(fireArgs))
					end)

					task.wait(FIRE_DELAY)
				end
			end
		end

		task.wait(0.05)
	end
end)