player_api/mods/default/craftitems.lua
Auke Kok 67b13a5942 Fix books getting erased on page button use.
Changing the book page caused the entire itemstack meta to
get wiped due to improper calling of meta:from_table().

Fixes #1711
2017-04-28 21:52:39 -07:00

335 lines
8.9 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 data and data.owner and data.owner ~= player:get_player_name() then
return
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({fields = 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:skeleton_key", {
description = "Skeleton Key",
inventory_image = "default_key_skeleton.png",
groups = {key = 1},
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local pos = pointed_thing.under
local node = minetest.get_node(pos)
if not node then
return itemstack
end
local on_skeleton_key_use = minetest.registered_nodes[node.name].on_skeleton_key_use
if not on_skeleton_key_use then
return itemstack
end
-- make a new key secret in case the node callback needs it
local random = math.random
local newsecret = string.format(
"%04x%04x%04x%04x",
random(2^16) - 1, random(2^16) - 1,
random(2^16) - 1, random(2^16) - 1)
local secret, _, _ = on_skeleton_key_use(pos, user, newsecret)
if secret then
local inv = minetest.get_inventory({type="player", name=user:get_player_name()})
-- update original itemstack
itemstack:take_item()
-- finish and return the new key
local new_stack = ItemStack("default:key")
local meta = new_stack:get_meta()
meta:set_string("secret", secret)
meta:set_string("description", "Key to "..user:get_player_name().."'s "
..minetest.registered_nodes[node.name].description)
if itemstack:get_count() == 0 then
itemstack = new_stack
else
if inv:add_item("main", new_stack):get_count() > 0 then
minetest.add_item(user:getpos(), new_stack)
end -- else: added to inventory successfully
end
return itemstack
end
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:tin_lump", {
description = "Tin Lump",
inventory_image = "default_tin_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:tin_ingot", {
description = "Tin Ingot",
inventory_image = "default_tin_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"
})