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Add hard limits to book title and book text length

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Wuzzy 2019-02-21 18:08:30 +01:00
parent 93c087997f
commit 236ef99359
1 changed files with 22 additions and 11 deletions
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33
mods/ITEMS/mcl_books/init.lua
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@ -1,3 +1,6 @@
local max_text_length = 4500 -- TODO: Increase to 12800 when scroll bar was added to written book
local max_title_length = 64
-- Book
minetest.register_craftitem("mcl_books:book", {
description = "Book",
@ -59,6 +62,10 @@ local make_description = function(title, author, generation)
return desc
end
local cap_text_length = function(text, max_length)
return string.sub(text, 1, max_length)
end
local write = function(itemstack, user, pointed_thing)
-- Call on_rightclick if the pointed node defines it
if pointed_thing.type == "node" then
@ -102,7 +109,8 @@ end
minetest.register_craftitem("mcl_books:writable_book", {
description = "Book and Quill",
_doc_items_longdesc = "This item can be used to write down some notes.",
_doc_items_usagehelp = "Hold it in the hand, then rightclick to read the current notes and edit then. You can edit the text as often as you like. You can also sign the book which turns it into a written book which you can stack, but it can't be edited anymore.",
_doc_items_usagehelp = "Hold it in the hand, then rightclick to read the current notes and edit then. You can edit the text as often as you like. You can also sign the book which turns it into a written book which you can stack, but it can't be edited anymore.".."\n"..
"A book can hold up to 4500 characters. The title length is limited to 64 characters.",
inventory_image = "mcl_books_book_writable.png",
groups = { book=1 },
stack_max = 1,
@ -115,11 +123,12 @@ minetest.register_on_player_receive_fields(function ( player, formname, fields )
local stack = player:get_wielded_item()
if (stack:get_name() and (stack:get_name() == "mcl_books:writable_book")) then
local meta = stack:get_meta()
local text = cap_text_length(fields.text, max_text_length)
if fields.ok then
meta:set_string("text", fields.text)
meta:set_string("text", text)
player:set_wielded_item(stack)
elseif fields.sign then
meta:set_string("text", fields.text)
meta:set_string("text", text)
player:set_wielded_item(stack)
local name = player:get_player_name()
@ -138,15 +147,17 @@ minetest.register_on_player_receive_fields(function ( player, formname, fields )
local book = player:get_wielded_item()
local name = player:get_player_name()
if book:get_name() == "mcl_books:writable_book" then
if fields.title == "" then
fields.title = "Nameless Book"
local title = fields.title
if string.len(title) == 0 then
title = "Nameless Book"
end
title = cap_text_length(title, max_title_length)
local meta = newbook:get_meta()
local text = get_text(book)
meta:set_string("title", fields.title)
local text = cap_text_length(get_text(book), max_text_length)
meta:set_string("title", title)
meta:set_string("author", name)
meta:set_string("text", text)
meta:set_string("description", make_description(fields.title, name, 0))
meta:set_string("description", make_description(title, name, 0))
-- The book copy counter. 0 = original, 1 = copy of original, 2 = copy of copy of original, …
meta:set_int("generation", 0)
@ -235,7 +246,7 @@ minetest.register_craft_predict(function(itemstack, player, old_craft_grid, craf
-- Valid copy. Let's update the description field of the result item
-- so it is properly displayed in the crafting grid.
local imeta = itemstack:get_meta()
local title = ometa:get_string("title")
local title = cap_text_length(ometa:get_string("title"), max_title_length)
local author = ometa:get_string("author")
-- Increase book generation and update description
@ -283,11 +294,11 @@ minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv
-- Copy metadata
local imeta = itemstack:get_meta()
local title = ometa:get_string("title")
local title = cap_text_length(ometa:get_string("title"), max_title_length)
local author = ometa:get_string("author")
imeta:set_string("title", title)
imeta:set_string("author", author)
imeta:set_string("text", text)
imeta:set_string("text", cap_text_length(text, max_text_length))
-- Increase book generation and update description
generation = generation + 1