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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.
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red-001 authored and paramat committed Jun 14, 2017
1 parent 15ba964 commit b3f17cda9ff0250600c3fe88e9bcf2b569ae9982
Showing with 2 additions and 2 deletions.
  1. +2 −2 mods/default/craftitems.lua
@@ -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)

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