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Show title and author of book in description 

Utilizes the new key-meta (as with nodes) and the ability to set the description of an itemstack with the `description` meta key. Includes code to convert old metadata to new key-meta.
This commit is contained in:
octacian 2017-02-26 10:37:35 -08:00 committed by Auke Kok
parent 78c632ebd4
commit c68b8274fe
1 changed files with 19 additions and 9 deletions
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28
mods/default/craftitems.lua
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@ -15,11 +15,19 @@ minetest.register_craftitem("default:paper", {
local lpp = 14 -- Lines per book's page local lpp = 14 -- Lines per book's page
local function book_on_use(itemstack, user) local function book_on_use(itemstack, user)
local player_name = user:get_player_name() local player_name = user:get_player_name()
local data = minetest.deserialize(itemstack:get_metadata()) local meta = itemstack:get_meta()
local title, text, owner = "", "", player_name local title, text, owner = "", "", player_name
local page, page_max, lines, string = 1, 1, {}, "" local page, page_max, lines, string = 1, 1, {}, ""
if data then -- Backwards compatibility
local old_data = minetest.deserialize(itemstack:get_metadata())
if old_data then
meta:from_table({ fields = old_data })
end
local data = meta:to_table().fields
if data.owner then
title = data.title title = data.title
text = data.text text = data.text
owner = data.owner owner = data.owner
@ -81,35 +89,38 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
new_stack = ItemStack("default:book_written") new_stack = ItemStack("default:book_written")
end end
else else
data = minetest.deserialize(stack:get_metadata()) data = stack:get_meta():to_table().fields
end end
if not data then data = {} end if not data then data = {} end
data.title = fields.title data.title = fields.title
data.owner = player:get_player_name()
data.description = "\""..fields.title.."\" by "..data.owner
data.text = fields.text data.text = fields.text
data.text_len = #data.text data.text_len = #data.text
data.page = 1 data.page = 1
data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp) data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
data.owner = player:get_player_name()
local data_str = minetest.serialize(data)
if new_stack then if new_stack then
new_stack:set_metadata(data_str) new_stack:get_meta():from_table({ fields = data })
if inv:room_for_item("main", new_stack) then if inv:room_for_item("main", new_stack) then
inv:add_item("main", new_stack) inv:add_item("main", new_stack)
else else
minetest.add_item(player:getpos(), new_stack) minetest.add_item(player:getpos(), new_stack)
end end
else else
stack:set_metadata(data_str) stack:get_meta():from_table({ fields = data })
end end
elseif fields.book_next or fields.book_prev then elseif fields.book_next or fields.book_prev then
local data = minetest.deserialize(stack:get_metadata()) local data = stack:get_meta():to_table().fields
if not data or not data.page then if not data or not data.page then
return return
end end
data.page = tonumber(data.page)
data.page_max = tonumber(data.page_max)
if fields.book_next then if fields.book_next then
data.page = data.page + 1 data.page = data.page + 1
if data.page > data.page_max then if data.page > data.page_max then
@ -249,4 +260,3 @@ minetest.register_craftitem("default:flint", {
description = "Flint", description = "Flint",
inventory_image = "default_flint.png" inventory_image = "default_flint.png"
}) })