Background = {}
Background.__index = Background

function Background.new(player_num, bpm, scene_preset)
    local self = setmetatable({}, Background)

    self.player_num = player_num
    self.bpm = bpm
    self.scene_preset = scene_preset

    print(string.format("Background created: player=%d, bpm=%.1f, scene=%s",
        player_num, bpm, scene_preset))

    tex.load_animations("background")
    tex.load_folder("background/bg_normal", "bg_0")
    tex.load_folder("background/donbg", "0_1")

    self.donbg_anim = tex.get_animation(0)

    return self
end

function Background:update(current_ms)
    self.donbg_anim:update(current_ms)
end

function Background:handle_good(player_num)
end

function Background:handle_ok(player_num)
end

function Background:handle_bad(player_num)
end

function Background:handle_drumroll(player_num)
end

function Background:handle_balloon(player_num)
end

function Background:draw_back()
    local bg_texture = tex.get_texture_info("0_1", "background")
    for i = 0, 5, 1 do
        tex.draw_texture("0_1", "background", {x = self.donbg_anim.attribute + (i*bg_texture.width)})
    end
    tex.draw_texture("bg_0", "background")
end

function Background:draw_fore()
end

function Background:destroy()
end