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Use new item metadata API for books

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This commit is contained in:
Wuzzy 2017-06-06 01:22:52 +02:00
parent 1f24b495d2
commit 729f4821c0
1 changed files with 56 additions and 25 deletions
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81
mods/ITEMS/mcl_books/init.lua
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@ -13,6 +13,35 @@ minetest.register_craft({
recipe = { 'mcl_core:paper', 'mcl_core:paper', 'mcl_core:paper', 'mcl_mobitems:leather', }
})
-- Get the included text out of the book item
-- itemstack: Book item
-- meta: Meta of book (optional)
local get_text = function(itemstack)
-- Grab the text
local meta = itemstack:get_meta()
local text = meta:get_string("text")
-- Backwards-compability with MCL2 0.21.0
-- Remember that get_metadata is deprecated since MT 0.4.16!
if text == nil or text == "" then
local meta_legacy = itemstack:get_metadata()
if itemstack:get_name() == "mcl_books:written_book" then
local des = minetest.deserialize(meta_legacy)
if des then
text = des.text
end
else
text = meta_legacy
end
end
-- Security check
if not text then
text = ""
end
return text
end
local write = function(itemstack, user, pointed_thing)
-- Call on_rightclick if the pointed node defines it
if pointed_thing.type == "node" then
@ -24,7 +53,7 @@ local write = function(itemstack, user, pointed_thing)
end
end
local text = itemstack:get_metadata()
local text = get_text(itemstack)
local formspec = "size[8,9]"..
"background[-0.5,-0.5;9,10;mcl_books_book_bg.png]"..
"textarea[0.5,0.25;7.5,9.25;text;;"..minetest.formspec_escape(text).."]"..
@ -44,14 +73,7 @@ local read = function(itemstack, user, pointed_thing)
end
end
local meta = minetest.deserialize(itemstack:get_metadata())
local text
if meta ~= nil then
text = meta.text
end
if text == nil then
text = ""
end
local text = get_text(itemstack)
local formspec = "size[8,9]"..
"background[-0.5,-0.5;9,10;mcl_books_book_bg.png]"..
"textarea[0.5,0.25;7.5,9.25;;"..core.colorize("#000000", minetest.formspec_escape(text))..";]"..
@ -75,16 +97,15 @@ minetest.register_on_player_receive_fields(function ( player, formname, fields )
if ((formname == "mcl_books:writable_book") and fields and fields.text) then
local stack = player:get_wielded_item()
if (stack:get_name() and (stack:get_name() == "mcl_books:writable_book")) then
local meta = stack:get_meta()
if fields.ok then
local t = stack:to_table()
t.metadata = fields.text
player:set_wielded_item(ItemStack(t))
meta:set_string("text", fields.text)
player:set_wielded_item(stack)
elseif fields.sign then
local t = stack:to_table()
t.metadata = fields.text
player:set_wielded_item(ItemStack(t))
meta:set_string("text", fields.text)
player:set_wielded_item(stack)
local text = stack:get_metadata()
local text = get_text(stack)
local name = player:get_player_name()
local formspec = "size[8,9]"..
"background[-0.5,-0.5;9,10;mcl_books_book_bg.png]"..
@ -104,12 +125,12 @@ minetest.register_on_player_receive_fields(function ( player, formname, fields )
if fields.title == "" then
fields.title = "Nameless Book"
end
local meta = {
title = fields.title,
author = name,
text = book:get_metadata()
}
newbook:set_metadata(minetest.serialize(meta))
local meta = newbook:get_meta()
local text = get_text(book)
meta:set_string("title", fields.title)
meta:set_string("author", name)
meta:set_string("text", text)
player:set_wielded_item(newbook)
else
minetest.log("error", "[mcl_books] "..name.." failed to sign a book!")
@ -166,9 +187,19 @@ minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv
if not original then
return
end
local copymeta = original:get_metadata()
-- copy of the book held by player's mouse cursor
itemstack:set_metadata(copymeta)
-- copy of the book
local text = get_text(original)
if not text or text == "" then
local copymeta = original:get_metadata()
itemstack:set_metadata(copymeta)
else
local ometa = original:get_meta()
local imeta = itemstack:get_meta()
imeta:set_string("title", ometa:get_string("title"))
imeta:set_string("author", ometa:get_string("author"))
imeta:set_string("text", text)
end
-- put the book with metadata back in the craft grid
craft_inv:set_stack("craft", index, original)
end)