local sharpvalue = json.load_file("sharp.json") or 0.2

local function get_component(game_object, type_name)
    local t = sdk.typeof(type_name)

    if t == nil then 
        return nil
    end

    return game_object:call("getComponent(System.Type)", t)
end


local camera = sdk.get_managed_singleton("app.CameraManager"):get_field("_CameraObjects")[0]
local tonemapping = get_component(camera, "via.render.ToneMapping")

local function update_refs()
	camera = sdk.get_managed_singleton("app.CameraManager"):get_field("_CameraObjects")[0]
	tonemapping = get_component(camera, "via.render.ToneMapping")
end

update_refs()


local function on_post_get_timescale(retval)
	sdk.call_object_func(tonemapping, "set_Sharpness", sharpvalue);
    return retval
end

re.on_draw_ui(function()
	if imgui.tree_node("Sharpness") then
		changed, sharpvalue = imgui.slider_float("Sharpness value", sharpvalue, 0, 1); json.dump_file("sharp.json", sharpvalue)
		tooltip("Sharpness value")
		imgui.end_rect(1)
		imgui.tree_pop()
	end
end)

sdk.hook(
    sdk.find_type_definition("app.FilterParamToneMapping"):get_method("copyTo"),
     function()end, on_post_get_timescale
)

sdk.hook(
    sdk.find_type_definition("app.SaveDataManager"):get_method("loadGame"),
    function()end,
    function(retval)
		update_refs()
		return retval
	end
)