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minetest_game/mods/default/craftitems.lua
octacian 2a74032745 Books: Fix backwards compatibility issues
Commit c68b8274fe prevented books from
being copied in the crafting grid, and made it so that old books, though
seemingly successfully transferred to the new format, could not be written
to as the old data still persisted.
2017-03-20 00:13:31 +00:00

264 lines
7.0 KiB
Lua

-- mods/default/craftitems.lua
minetest.register_craftitem("default:stick", {
description = "Stick",
inventory_image = "default_stick.png",
groups = {stick = 1, flammable = 2},
})
minetest.register_craftitem("default:paper", {
description = "Paper",
inventory_image = "default_paper.png",
groups = {flammable = 3},
})
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 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
owner = data.owner
for str in (text .. "\n"):gmatch("([^\n]*)[\n]") do
lines[#lines+1] = str
end
if data.page then
page = data.page
page_max = data.page_max
for i = ((lpp * page) - lpp) + 1, lpp * page do
if not lines[i] then break end
string = string .. lines[i] .. "\n"
end
end
end
local formspec
if owner == player_name then
formspec = "size[8,8]" .. default.gui_bg ..
default.gui_bg_img ..
"field[0.5,1;7.5,0;title;Title:;" ..
minetest.formspec_escape(title) .. "]" ..
"textarea[0.5,1.5;7.5,7;text;Contents:;" ..
minetest.formspec_escape(text) .. "]" ..
"button_exit[2.5,7.5;3,1;save;Save]"
else
formspec = "size[8,8]" .. default.gui_bg ..
default.gui_bg_img ..
"label[0.5,0.5;by " .. owner .. "]" ..
"tablecolumns[color;text]" ..
"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
"table[0.4,0;7,0.5;title;#FFFF00," .. minetest.formspec_escape(title) .. "]" ..
"textarea[0.5,1.5;7.5,7;;" ..
minetest.formspec_escape(string ~= "" and string or text) .. ";]" ..
"button[2.4,7.6;0.8,0.8;book_prev;<]" ..
"label[3.2,7.7;Page " .. page .. " of " .. page_max .. "]" ..
"button[4.9,7.6;0.8,0.8;book_next;>]"
end
minetest.show_formspec(player_name, "default:book", formspec)
return itemstack
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "default:book" then return end
local inv = player:get_inventory()
local stack = player:get_wielded_item()
if fields.save and fields.title ~= "" and fields.text ~= "" then
local new_stack, data
if stack:get_name() ~= "default:book_written" then
local count = stack:get_count()
if count == 1 then
stack:set_name("default:book_written")
else
stack:set_count(count - 1)
new_stack = ItemStack("default:book_written")
end
else
data = stack:get_meta():to_table().fields
end
if not data then data = {} end
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.page = 1
data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
if new_stack then
new_stack:get_meta():from_table({ fields = 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 })
end
elseif fields.book_next or fields.book_prev then
local data = stack:get_meta():to_table().fields
if not data or not data.page then
return
end
data.page = tonumber(data.page)
data.page_max = tonumber(data.page_max)
if fields.book_next then
data.page = data.page + 1
if data.page > data.page_max then
data.page = 1
end
else
data.page = data.page - 1
if data.page == 0 then
data.page = data.page_max
end
end
stack:get_meta():from_table(data)
stack = book_on_use(stack, player)
end
-- Update stack
player:set_wielded_item(stack)
end)
minetest.register_craftitem("default:book", {
description = "Book",
inventory_image = "default_book.png",
groups = {book = 1, flammable = 3},
on_use = book_on_use,
})
minetest.register_craftitem("default:book_written", {
description = "Book With Text",
inventory_image = "default_book_written.png",
groups = {book = 1, not_in_creative_inventory = 1, flammable = 3},
stack_max = 1,
on_use = book_on_use,
})
minetest.register_craft({
type = "shapeless",
output = "default:book_written",
recipe = {"default:book", "default:book_written"}
})
minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
if itemstack:get_name() ~= "default:book_written" then
return
end
local original
local index
for i = 1, player:get_inventory():get_size("craft") do
if old_craft_grid[i]:get_name() == "default:book_written" then
original = old_craft_grid[i]
index = i
end
end
if not original then
return
end
local copymeta = original:get_meta():to_table()
-- copy of the book held by player's mouse cursor
itemstack:get_meta():from_table(copymeta)
-- put the book with metadata back in the craft grid
craft_inv:set_stack("craft", index, original)
end)
minetest.register_craftitem("default:coal_lump", {
description = "Coal Lump",
inventory_image = "default_coal_lump.png",
groups = {coal = 1, flammable = 1}
})
minetest.register_craftitem("default:iron_lump", {
description = "Iron Lump",
inventory_image = "default_iron_lump.png",
})
minetest.register_craftitem("default:copper_lump", {
description = "Copper Lump",
inventory_image = "default_copper_lump.png",
})
minetest.register_craftitem("default:mese_crystal", {
description = "Mese Crystal",
inventory_image = "default_mese_crystal.png",
})
minetest.register_craftitem("default:gold_lump", {
description = "Gold Lump",
inventory_image = "default_gold_lump.png",
})
minetest.register_craftitem("default:diamond", {
description = "Diamond",
inventory_image = "default_diamond.png",
})
minetest.register_craftitem("default:clay_lump", {
description = "Clay Lump",
inventory_image = "default_clay_lump.png",
})
minetest.register_craftitem("default:steel_ingot", {
description = "Steel Ingot",
inventory_image = "default_steel_ingot.png",
})
minetest.register_craftitem("default:copper_ingot", {
description = "Copper Ingot",
inventory_image = "default_copper_ingot.png",
})
minetest.register_craftitem("default:bronze_ingot", {
description = "Bronze Ingot",
inventory_image = "default_bronze_ingot.png",
})
minetest.register_craftitem("default:gold_ingot", {
description = "Gold Ingot",
inventory_image = "default_gold_ingot.png"
})
minetest.register_craftitem("default:mese_crystal_fragment", {
description = "Mese Crystal Fragment",
inventory_image = "default_mese_crystal_fragment.png",
})
minetest.register_craftitem("default:clay_brick", {
description = "Clay Brick",
inventory_image = "default_clay_brick.png",
})
minetest.register_craftitem("default:obsidian_shard", {
description = "Obsidian Shard",
inventory_image = "default_obsidian_shard.png",
})
minetest.register_craftitem("default:flint", {
description = "Flint",
inventory_image = "default_flint.png"
})