function arszi_get_env_rads()
	-- printf("override get_env_rads")
	return arszi_radiation.environmental_radiation
end

function actor_on_first_update()
	-- Special tactics - override "level" engine namespace for item_device
	-- put custom get_env_rads function there
	-- in case of looking for another function, it will be referred back to engine namespace via metatables
	local item_device_level = item_device.level
	local overrideLevel = setmetatable({
		get_env_rads = arszi_get_env_rads
	}, {
		__index = item_device_level
	})
	item_device.level = overrideLevel

	local ui_dosimeter_level = ui_dosimeter.level
	local overrideLevel = setmetatable({
		get_env_rads = arszi_get_env_rads
	}, {
		__index = ui_dosimeter_level
	})
	ui_dosimeter.level = overrideLevel
end

rad_zones = {
	["zone_field_radioactive"] = true,
	["zone_field_radioactive_very_weak"] = true,
	["zone_field_radioactive_weak"] = true,
	["zone_field_radioactive_below_average"] = true,
	["zone_field_radioactive_average"] = true,
	["zone_field_radioactive_above_average"] = true,
	["zone_field_radioactive_strong"] = true,
	["zone_field_radioactive_lethal"] = true,
	["zone_radioactive"] = true,
	["zone_radioactive_very_weak"] = true,
	["zone_radioactive_weak"] = true,
	["zone_radioactive_below_average"] = true,
	["zone_radioactive_average"] = true,
	["zone_radioactive_above_average"] = true,
	["zone_radioactive_strong"] = true,
	["zone_radioactive_lethal"] = true
}
function on_anomaly_touch(obj, flags)
	-- printf("overriding on_anomaly_touch")
	--Notice: Geiger sounds were moved into arszi_radiation.script
	if obj then	
		-- Don't play gieger sound if player don't have a geiger counter
		if rad_zones[obj:section()] then
			if game_difficulties.get_game_factor("notify_geiger") then
				local obj_geiger = item_device.device_geiger and db.actor:object(item_device.device_geiger)
				if not (obj_geiger and item_device.drain_device_on_event(obj_geiger, item_device.device_geiger, 1)) then
					flags.ret_value = false
					return
				end
			end
			
		-- Anomaly detector
		elseif (not game_difficulties.get_game_factor("notify_anomaly")) then
			flags.ret_value = false
			return
		end
	end
	
	flags.ret_value = true
end

item_device_og_RSC = item_device.RegisterScriptCallback
item_device.RegisterScriptCallback = function(k, f)
	if item_device_og_RSC ~= _G.RegisterScriptCallback then item_device_og_RSC(k, f) end
	if k == "actor_on_feeling_anomaly" then return end
	return _G.RegisterScriptCallback(k, f)
end

ui_sleep_dialog_test_and_show = ui_sleep_dialog.UISleep.TestAndShow
ui_sleep_dialog.UISleep.TestAndShow = function(self, force)
	if (force ~= true) then
		-- Immersive Sleep Patch
		if actor_status_sleep.get_last_sleep then
			local last_sleep = actor_status_sleep.get_last_sleep()
			printdbg("#Immersive Sleep | last_sleep: %s",tostring(last_sleep))
			if(last_sleep < 3000) then
				actor_menu.set_msg(1, game.translate_string("st_sleep_awake"),4)
				disable_info("sleep_active")
				return
			end
		end

		local bleeding = db.actor.bleeding > 0
		local radiation = db.actor.radiation > 0
		
		-- Prevent sleep if bleeding and/or iradiated.
		if arszi_radiation and (arszi_radiation.settings.sleepWithRads == 1 and db.actor.radiation <= arszi_radiation.settings.RADIATION_THRESHOLD or arszi_radiation.settings.sleepWithRads == 2) then
			if (bleeding) then
				actor_menu.set_msg(1, game.translate_string("st_sleep_bleeding"),4)
				disable_info("sleep_active")
				return
			end
		else
			if (bleeding or radiation) then
				if (bleeding and radiation) then
					actor_menu.set_msg(1, game.translate_string("st_sleep_bleeding_irradiated"),5)
				elseif (bleeding) then
					actor_menu.set_msg(1, game.translate_string("st_sleep_bleeding"),4)
				elseif (radiation) then
					actor_menu.set_msg(1, game.translate_string("st_sleep_irradiated"),4)
				end
				disable_info("sleep_active")
				return
			end
		end
		
		-- Check if actor is inside a safe zone
		local actor_hide = GetEvent("current_safe_cover") and true or false
	
		-- Check if actor is inside a tent
		if (not actor_hide) then
			actor_hide = item_tent.get_nearby_tent(1.5)
		end	
		
		-- If all is no, dont sleep
		if (not actor_hide) then
			actor_menu.set_msg(1, game.translate_string("st_cant_sleep_find_shelter_mlr"),4)
			disable_info("sleep_active")
			return
		end
	end
	
	self:Initialize()
	self:ShowDialog(true)
	Register_UI("UISleep","ui_sleep_dialog")
end

agony_is_bleeding = gamemode_agony.is_bleeding
gamemode_agony.is_bleeding = function(flags)
	-- Prevent saving if bleeding
	local bleeding = db.actor.bleeding > 0
	if (bleeding) then
		flags.str = game.translate_string("st_ui_no_save_bleed")
		flags.ret = true
		return true
	end
	return false
end

function on_game_start()
	RegisterScriptCallback("actor_on_feeling_anomaly", on_anomaly_touch)
	RegisterScriptCallback("actor_on_first_update", actor_on_first_update)
end