util.AddNetworkString("equip jetpack")
util.AddNetworkString("unequip jetpack")



hook.Add("PlayerDeath", "jetpackpara333", function(ply)
	ply.IsFalling = false
	net.Start("unequip jetpack")
		net.WriteEntity(ply)
	net.Broadcast()
	ply.IsEquiped = false
	ply.UsedPack = false
	ply:SetAllowFullRotation(false)
end)
hook.Add("PlayerShouldTakeDamage", "jetpackparfrra", function(ply, atk)
	if ply.IsFalling then
		if !(atk:IsPlayer()) or !(atk:IsNPC()) then
			return false
		end
	end
end)
hook.Add("Think", "jetpackpara", function()
jpmodels = {"models/player/youre_welcome_love_delta/2nd_ac_visor.mdl", "models/player/nv_2ac/2nd_ac.mdl"}
	for _,ply in pairs(player.GetAll()) do
		if table.HasValue(jpmodels, ply:GetModel()) or ply.UsedPack == true then
			if !(ply.jpt) then ply.jpt = CurTime() end
			if ply.jpt < CurTime() then
				if !ply:IsOnGround() then
					local tracedata = {}
					tracedata.start = ply:GetPos()
					tracedata.endpos = ply:GetPos() + ply:GetUp() * -999999999
					tracedata.filter = {ents.GetAll()}
					local trace = util.TraceLine(tracedata)
					if trace.Hit then
						local pos = ply:GetPos()
						local tpos = trace.HitPos
						local dis = pos.z - tpos.z
						if dis > 500 then
							ply.IsFalling = true
						end
					end
				end
				ply.jpt = CurTime() + 1
			end




			if ply.IsFalling then
				if !ply.IsEquiped then
					net.Start("equip jetpack")
						net.WriteEntity(ply)
					net.Broadcast()
					ply.IsEquiped = true
					ply:SetAllowFullRotation(true)
				end
				if ply:IsOnGround() then
					ply.IsFalling = false
					net.Start("unequip jetpack")
						net.WriteEntity(ply)
					net.Broadcast()
					ply.IsEquiped = false
					ply.UsedPack = false
					ply:SetAllowFullRotation(false)
				else
					local tracedata = {}
					tracedata.start = ply:GetPos()
					tracedata.endpos = ply:GetPos() + ply:GetUp() * -999999999
					tracedata.filter = ply
					local trace = util.TraceLine(tracedata)
					if trace.Hit then
						local pos = ply:GetPos()
						local tpos = trace.HitPos
						local dis = pos.z - tpos.z
						dis = math.Round(dis)
						local vel = ply:GetVelocity()
						local bar = math.Clamp(55-dis, -300, 0)
						local vec = Vector(0, 0, vel.z*(-1))
						if bar > -300 then
							ply:SetVelocity(vec)
						end
						ply:SetVelocity((ply:GetForward()*15))
					end
				end
			end
		end
	end
end)