local fakeparticles = {{}, {}}
local nxtparticle = CurTime()

local function AddSmokeChunk(whichone)
	local ply = LocalPlayer()
	local vm = ply:GetViewModel()
	if !vm:IsValid() then return end
	local p = {}
	local att1 = vm:GetAttachment(1)
	local att2 = vm:GetAttachment(2)
	p.position = (whichone == 1) and att1.Pos or att2.Pos
	if (whichone == 1) and ply:GetActiveWeapon():GetClass() == "dmod_cigarettes" then
		p.position = att1.Pos + att1.Ang:Right()*-5.3 + att1.Ang:Up()*-2.3
		if ply:GetActiveWeapon().CigHotFix then p.position = p.position + att1.Ang:Up()*2.1 + att1.Ang:Right() end
	end
	p.normal = (whichone == 1) and att1.Ang:Right() or att2.Ang:Forward()
	p.velocity = (whichone == 1) and p.normal * 2 or p.normal*1.5
	p.startlife = CurTime()
	p.lifetime = (whichone == 1) and 1 or 0.2
	p.radius = (whichone == 1) and 2 or 3
	if fakeparticles[whichone] then
		table.insert(fakeparticles[whichone],#fakeparticles[whichone]+1, p)
	end
end

local function ProcessSmoke(whichone)
	if fakeparticles[whichone] then
		if CurTime() > nxtparticle then
			AddSmokeChunk(whichone)
			nxtparticle = CurTime() + 0.1
		end

		for k,v in ipairs(fakeparticles[whichone]) do
			v.position = v.position + v.velocity * FrameTime()
			v.velocity = v.velocity + Vector(math.Rand(-4, 4),math.Rand(-4, 4),10) * 0.005
			if CurTime() > v.startlife + v.lifetime then
				table.remove(fakeparticles[whichone],k)
			end
		end
	end
end
local smokecol = Color(225,225,225,100)
local smokemat = Material("trails/smoke")
smokemat:SetInt("$nocull",1)
local firemat = Material("particles/flamelet"..math.random(1,5))
firemat:SetInt("$nocull",1)
hook.Add("PostDrawOpaqueRenderables", "smokesystem_weaponeffects", function()
	local whichone = nil
	local ply = LocalPlayer()
	local wep = LocalPlayer():GetActiveWeapon()
	if !ply:Alive() or ply:InVehicle() or ply:WaterLevel() > 2 or ply:GetViewEntity() != ply or !wep or !IsValid(wep) or wep.Category != "Smoke System" then return end
	if wep:GetLit() then whichone = 1 end
	if wep:GetLighterActive() then whichone = 2 end
	if whichone == nil or (wep.PrintName == "Meth Pipe" and whichone == 1) then return end
	local whichmat = (whichone == 1) and smokemat or firemat
	local whichcol = (whichone == 1) and Color(255, 255, 255, 100) or Color(255, 255, 255)
	ProcessSmoke(whichone)
	render.SetMaterial(whichmat)
	render.StartBeam(#fakeparticles[whichone])
	for k,v in ipairs(fakeparticles[whichone]) do
		local alphac = (whichone == 1) and ColorAlpha(whichcol, (1-(CurTime()-v.startlife)/v.lifetime) * 64) or whichcol
		render.AddBeam(v.position,v.radius*(1-k/#fakeparticles[whichone]),(k/#fakeparticles[whichone]),alphac)
	end
	render.EndBeam()
end)