MinetestForFun/minetest-minetestforfun-server
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[default] Make books work on 0.4.15 again

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- Check for the presence of new API before using it
 - For #536
This commit is contained in:
LeMagnesium 2018-02-10 14:34:36 +01:00
parent 408183c6e7
commit e0bf0f2324
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GPG Key ID: A54DDB5272C51E8B
1 changed files with 7 additions and 14 deletions
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21
minetestforfun_game/mods/default/craftitems.lua
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@ -17,18 +17,10 @@ minetest.register_craftitem("default:paper", {
local lpp = 14 -- Lines per book's page
local function book_on_use(itemstack, user)
local player_name = user:get_player_name()
local meta = itemstack:get_meta()
local data = minetest.deserialize(itemstack:get_metadata())
local title, text, owner = "", "", player_name
local page, page_max, lines, string = 1, 1, {}, ""
-- 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
text = data.text
@ -95,7 +87,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
new_stack = ItemStack("default:book_written")
end
else
data = stack:get_meta():to_table().fields
data = minetest.deserialize(stack:get_metadata())
end
if data and data.owner and data.owner ~= player:get_player_name() then
@ -116,18 +108,19 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
if new_stack then
new_stack:get_meta():from_table({ fields = data })
new_stack:set_metadata(minetest.serialize(data))
if inv:room_for_item("main", new_stack) then
inv:add_item("main", new_stack)
else
minetest.add_item(player:getpos(), new_stack)
end
else
stack:get_meta():from_table({ fields = data })
stack:set_metadata(minetest.serialize(data))
end
elseif fields.book_next or fields.book_prev then
local data = stack:get_meta():to_table().fields
local data
data = minetest.deserialize(stack:get_metadata())
if not data or not data.page then
return
end
@ -147,7 +140,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
end
end
stack:get_meta():from_table({fields = data})
stack:set_metadata(minetest.serialize(data))
stack = book_on_use(stack, player)
end