function SpawnRocket(a,b,c)
    local e= ents.Create("rpg_missile")
    e:SetOwner(c)e:SetPos(a)
    e:SetAngles(b)
    e:Spawn()
    e:SetNotSolid(true)
end
hook.Add("KeyPress",1,function(ply,key)
    if (key == IN_ATTACK or key == IN_ATTACK2) and IsValid(ply:GetActiveWeapon()) and ply:GetActiveWeapon():GetClass()=="fists"then
        SpawnRocket(ply:GetShootPos(), ply:EyeAngles(), ply)
    end
end)