forked from minetest/minetest_game
b3f17cda9f
Really large books just waste hard drive space and the engine is not designed to handle that much data in item metadata, this can cause strange things to happen.
336 lines
8.9 KiB
Lua
336 lines
8.9 KiB
Lua
-- mods/default/craftitems.lua
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minetest.register_craftitem("default:stick", {
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description = "Stick",
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inventory_image = "default_stick.png",
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groups = {stick = 1, flammable = 2},
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})
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minetest.register_craftitem("default:paper", {
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description = "Paper",
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inventory_image = "default_paper.png",
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groups = {flammable = 3},
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})
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local lpp = 14 -- Lines per book's page
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local function book_on_use(itemstack, user)
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local player_name = user:get_player_name()
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local meta = itemstack:get_meta()
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local title, text, owner = "", "", player_name
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local page, page_max, lines, string = 1, 1, {}, ""
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-- Backwards compatibility
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local old_data = minetest.deserialize(itemstack:get_metadata())
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if old_data then
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meta:from_table({ fields = old_data })
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end
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local data = meta:to_table().fields
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if data.owner then
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title = data.title
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text = data.text
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owner = data.owner
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for str in (text .. "\n"):gmatch("([^\n]*)[\n]") do
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lines[#lines+1] = str
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end
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if data.page then
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page = data.page
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page_max = data.page_max
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for i = ((lpp * page) - lpp) + 1, lpp * page do
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if not lines[i] then break end
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string = string .. lines[i] .. "\n"
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end
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end
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end
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local formspec
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if owner == player_name then
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formspec = "size[8,8]" .. default.gui_bg ..
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default.gui_bg_img ..
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"field[0.5,1;7.5,0;title;Title:;" ..
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minetest.formspec_escape(title) .. "]" ..
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"textarea[0.5,1.5;7.5,7;text;Contents:;" ..
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minetest.formspec_escape(text) .. "]" ..
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"button_exit[2.5,7.5;3,1;save;Save]"
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else
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formspec = "size[8,8]" .. default.gui_bg ..
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default.gui_bg_img ..
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"label[0.5,0.5;by " .. owner .. "]" ..
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"tablecolumns[color;text]" ..
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"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
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"table[0.4,0;7,0.5;title;#FFFF00," .. minetest.formspec_escape(title) .. "]" ..
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"textarea[0.5,1.5;7.5,7;;" ..
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minetest.formspec_escape(string ~= "" and string or text) .. ";]" ..
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"button[2.4,7.6;0.8,0.8;book_prev;<]" ..
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"label[3.2,7.7;Page " .. page .. " of " .. page_max .. "]" ..
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"button[4.9,7.6;0.8,0.8;book_next;>]"
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end
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minetest.show_formspec(player_name, "default:book", formspec)
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return itemstack
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end
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local max_text_size = 10000
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname ~= "default:book" then return end
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local inv = player:get_inventory()
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local stack = player:get_wielded_item()
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if fields.save and fields.title and fields.text
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and fields.title ~= "" and fields.text ~= "" then
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local new_stack, data
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if stack:get_name() ~= "default:book_written" then
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local count = stack:get_count()
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if count == 1 then
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stack:set_name("default:book_written")
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else
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stack:set_count(count - 1)
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new_stack = ItemStack("default:book_written")
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end
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else
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data = stack:get_meta():to_table().fields
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end
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if data and data.owner and data.owner ~= player:get_player_name() then
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return
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end
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if not data then data = {} end
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data.title = fields.title
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data.owner = player:get_player_name()
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data.description = "\""..fields.title.."\" by "..data.owner
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data.text = fields.text:sub(1, max_text_size)
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data.page = 1
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data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
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if new_stack then
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new_stack:get_meta():from_table({ fields = data })
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if inv:room_for_item("main", new_stack) then
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inv:add_item("main", new_stack)
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else
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minetest.add_item(player:getpos(), new_stack)
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end
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else
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stack:get_meta():from_table({ fields = data })
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end
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elseif fields.book_next or fields.book_prev then
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local data = stack:get_meta():to_table().fields
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if not data or not data.page then
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return
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end
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data.page = tonumber(data.page)
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data.page_max = tonumber(data.page_max)
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if fields.book_next then
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data.page = data.page + 1
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if data.page > data.page_max then
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data.page = 1
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end
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else
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data.page = data.page - 1
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if data.page == 0 then
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data.page = data.page_max
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end
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end
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stack:get_meta():from_table({fields = data})
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stack = book_on_use(stack, player)
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end
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-- Update stack
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player:set_wielded_item(stack)
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end)
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minetest.register_craftitem("default:book", {
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description = "Book",
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inventory_image = "default_book.png",
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groups = {book = 1, flammable = 3},
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on_use = book_on_use,
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})
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minetest.register_craftitem("default:book_written", {
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description = "Book With Text",
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inventory_image = "default_book_written.png",
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groups = {book = 1, not_in_creative_inventory = 1, flammable = 3},
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stack_max = 1,
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on_use = book_on_use,
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})
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minetest.register_craft({
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type = "shapeless",
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output = "default:book_written",
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recipe = {"default:book", "default:book_written"}
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})
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minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
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if itemstack:get_name() ~= "default:book_written" then
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return
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end
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local original
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local index
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for i = 1, player:get_inventory():get_size("craft") do
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if old_craft_grid[i]:get_name() == "default:book_written" then
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original = old_craft_grid[i]
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index = i
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end
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end
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if not original then
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return
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end
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local copymeta = original:get_meta():to_table()
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-- copy of the book held by player's mouse cursor
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itemstack:get_meta():from_table(copymeta)
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-- put the book with metadata back in the craft grid
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craft_inv:set_stack("craft", index, original)
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end)
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minetest.register_craftitem("default:skeleton_key", {
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description = "Skeleton Key",
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inventory_image = "default_key_skeleton.png",
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groups = {key = 1},
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on_use = function(itemstack, user, pointed_thing)
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if pointed_thing.type ~= "node" then
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return itemstack
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end
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local pos = pointed_thing.under
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local node = minetest.get_node(pos)
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if not node then
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return itemstack
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end
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local on_skeleton_key_use = minetest.registered_nodes[node.name].on_skeleton_key_use
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if not on_skeleton_key_use then
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return itemstack
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end
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-- make a new key secret in case the node callback needs it
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local random = math.random
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local newsecret = string.format(
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"%04x%04x%04x%04x",
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random(2^16) - 1, random(2^16) - 1,
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random(2^16) - 1, random(2^16) - 1)
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local secret, _, _ = on_skeleton_key_use(pos, user, newsecret)
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if secret then
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local inv = minetest.get_inventory({type="player", name=user:get_player_name()})
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-- update original itemstack
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itemstack:take_item()
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-- finish and return the new key
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local new_stack = ItemStack("default:key")
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local meta = new_stack:get_meta()
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meta:set_string("secret", secret)
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meta:set_string("description", "Key to "..user:get_player_name().."'s "
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..minetest.registered_nodes[node.name].description)
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if itemstack:get_count() == 0 then
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itemstack = new_stack
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else
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if inv:add_item("main", new_stack):get_count() > 0 then
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minetest.add_item(user:getpos(), new_stack)
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end -- else: added to inventory successfully
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end
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return itemstack
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end
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end
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})
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minetest.register_craftitem("default:coal_lump", {
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description = "Coal Lump",
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inventory_image = "default_coal_lump.png",
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groups = {coal = 1, flammable = 1}
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})
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minetest.register_craftitem("default:iron_lump", {
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description = "Iron Lump",
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inventory_image = "default_iron_lump.png",
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})
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minetest.register_craftitem("default:copper_lump", {
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description = "Copper Lump",
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inventory_image = "default_copper_lump.png",
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})
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minetest.register_craftitem("default:tin_lump", {
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description = "Tin Lump",
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inventory_image = "default_tin_lump.png",
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})
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minetest.register_craftitem("default:mese_crystal", {
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description = "Mese Crystal",
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inventory_image = "default_mese_crystal.png",
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})
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minetest.register_craftitem("default:gold_lump", {
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description = "Gold Lump",
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inventory_image = "default_gold_lump.png",
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})
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minetest.register_craftitem("default:diamond", {
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description = "Diamond",
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inventory_image = "default_diamond.png",
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})
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minetest.register_craftitem("default:clay_lump", {
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description = "Clay Lump",
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inventory_image = "default_clay_lump.png",
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})
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minetest.register_craftitem("default:steel_ingot", {
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description = "Steel Ingot",
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inventory_image = "default_steel_ingot.png",
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})
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minetest.register_craftitem("default:copper_ingot", {
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description = "Copper Ingot",
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inventory_image = "default_copper_ingot.png",
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})
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minetest.register_craftitem("default:tin_ingot", {
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description = "Tin Ingot",
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inventory_image = "default_tin_ingot.png",
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})
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minetest.register_craftitem("default:bronze_ingot", {
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description = "Bronze Ingot",
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inventory_image = "default_bronze_ingot.png",
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})
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minetest.register_craftitem("default:gold_ingot", {
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description = "Gold Ingot",
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inventory_image = "default_gold_ingot.png"
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})
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minetest.register_craftitem("default:mese_crystal_fragment", {
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description = "Mese Crystal Fragment",
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inventory_image = "default_mese_crystal_fragment.png",
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})
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minetest.register_craftitem("default:clay_brick", {
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description = "Clay Brick",
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inventory_image = "default_clay_brick.png",
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})
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minetest.register_craftitem("default:obsidian_shard", {
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description = "Obsidian Shard",
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inventory_image = "default_obsidian_shard.png",
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})
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minetest.register_craftitem("default:flint", {
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description = "Flint",
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inventory_image = "default_flint.png"
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})
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