Grimrock

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function addTorch()
	x = special_torch_holder.x
	y = special_torch_holder.y
	l = special_torch_holder.level
	
	-- Gather all torches avaible in the square
	torch_table = {}
	for i in entitiesAt(l, x, y) do
		-- Does the item have torch in the name
		if( string.find(i.name, "torch") ~= nil ) then
			-- Make sure it dosent have holder in it's name
			if( string.find(i.name, "holder") == nil ) then
				table.insert(torch_table,i)
			end
		end 
	end
	print(#torch_table)
	
	for id, torch in ipairs(torch_table) do
		-- Exlude all that is on heroes
		for hero = 1, 4 do
			champ = party:getChampion(hero)
			for i = 1, 31 do
				if( champ:getItem(i) == torch ) then
					table.remove(torch_table,id)
				end
			end
		end
		-- Remove all torches not facing the same way as the torch holder
		if( torch.facing ~= special_torch_holder.facing ) then
			table.remove(torch_table,id)
		end
	end
	
	-- Now torch_table only includes items on the ground or in the holder
	-- and facing the same way as the holder
	
	-- Only activate if there is only one torch
	if( #torch_table == 1 ) then
		-- Get the last item in the table, and the only item
		torch = table.remove(torch_table)
                -- Here you can change it to check (torch.name == "sacrificial_torch") instead
		if( torch.id == "special_torch" ) then
                        -- Do the stuff it should when the special torch is inserted
			hudPrint("Special torch inserted")
		end
	else
		hudPrint("Remove all other torches from the floor")
	end
end