Books: Limit the size of books

Really large books just waste hard drive space and the engine is not designed to
handle that much data in item metadata, this can cause strange things to happen.
This commit is contained in:
red-001 2017-06-14 18:57:05 +01:00 committed by paramat
parent 15ba96467d
commit b3f17cda9f

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@ -75,6 +75,7 @@ local function book_on_use(itemstack, user)
return itemstack
end
local max_text_size = 10000
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "default:book" then return end
local inv = player:get_inventory()
@ -103,8 +104,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
data.title = fields.title
data.owner = player:get_player_name()
data.description = "\""..fields.title.."\" by "..data.owner
data.text = fields.text
data.text_len = #data.text
data.text = fields.text:sub(1, max_text_size)
data.page = 1
data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)