function sunrise_load_hud()
    if sunrise_hud then
        sunrise_clear_hud()
    end
    sunrise_hud = {}

    local Wide = ScrW() / 3
    local Tall = ScrH() / 5

    local X = ScrW() - Wide
    local Y = ScrH() - Tall

    local frame = vgui.Create"DFrame"
        sunrise_hud.frame = frame
        frame:SetTitle"Sunrise Hud"
        frame:SetSize(Wide, Tall+22)
        frame:SetPos(X, Y-22)

    local panel = vgui.Create("DColouredBox", frame)
        sunrise_hud.panel = panel
        panel:SetColor(Color(100, 100, 100, 200))
        panel:SetPos(0, 22)
        panel:SetSize(Wide, Tall)

    local overlay = vgui.Create("DImage", panel)
        sunrise_hud.overlay = overlay
        overlay:SetImage"gui/center_gradient"
        overlay:SetImageColor(Color(150, 150, 150, 75))
        overlay:SetPos(0, 0)
        overlay:SetSize(Wide, Tall)

    sunrise_hud.buttons = {}
    for i=1, 3 do
        local button = vgui.Create("DButton", overlay)
        sunrise_hud.buttons[i] = button
        button:SetPos((i-1)*Wide/3, 0)
        button:SetSize(Wide/3, Tall)
        button:SetText("Button "..i)
        function button:DoClick()
            Msg(("Button %d (%s) was pressed\n"):format(i, tostring(self)))
        end
    end

end

function sunrise_clear_hud()
    for i, v in ipairs(sunrise_hud.buttons) do
        v:Remove()
    end
    sunrise_hud.overlay:Remove()
    sunrise_hud.panel:Remove()
    sunrise_hud.frame:Remove()
end

hook.Add("InitPostEntity", "sunrisedev", sunrise_load_hud)