Camas/mods/book/init.lua

--
-- Editable books
-- Code based off the books_plus mod
-- By Kaadmy, for Pixture
--

minetest.register_craftitem(
   ":default:book",
   {
      description = "Unnamed Book",
      inventory_image = "default_book.png",
      stack_max = 1,

      on_use = function(itemstack, player, pointed_thing)
         local name = player:get_player_name()
         local data = minetest.deserialize(itemstack:get_metadata())

         local title = ""
         local text = ""

         if data then
            text = data.text
            title = data.title
         end

         local form = default.ui.get_page("default:notabs")
         form = form .. "field[0.5,1.25;8,0;title;Title:;"..minetest.formspec_escape(title).."]"
         form = form .. "textarea[0.5,1.75;8,6.75;text;Contents:;"..minetest.formspec_escape(text).."]"
         form = form .. default.ui.button_exit(2.75, 7.75, 3, 1, "write", "Write")

         minetest.show_formspec(name, "book:book", form)
      end,
})

minetest.register_on_player_receive_fields(
   function(player, form_name, fields)
      if form_name ~= "book:book" or not fields.write then return end

      local itemstack = player:get_wielded_item()

      local meta = itemstack:get_meta()

      meta:set_string("description", fields.title) -- Set the item description

      meta:set_string("book:title", fields.title)
      meta:set_string("book:text", fields.text)

      player:set_wielded_item(itemstack)
end)

-- Achievements

achievements.register_achievement(
   "scribe",
   {
      title = "Scribe",
      description = "Craft a book",
      times = 1,
      craftitem = "default:book",
})

default.log("mod:book", "loaded")