534607c156
Combine any written book with an empty book to copy it. The copy is in player hands when using, and the original is put back on the crafting grid and can be directly copied again. All ownership and metadata is retained, so the copy of the book is as writable as the original is, or isn't.
109 lines
3.1 KiB
Lua
109 lines
3.1 KiB
Lua
local function book_on_use(itemstack, user, pointed_thing)
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local player_name = user:get_player_name()
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local data = minetest.deserialize(itemstack:get_metadata())
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local title, text, owner = "", "", player_name
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if data then
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title, text, owner = data.title, data.text, data.owner
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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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"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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"label[0.5,0.5;by "..owner.."]"..
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"label[0.5,0;"..minetest.formspec_escape(title).."]"..
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"textarea[0.5,1.5;7.5,7;;"..minetest.formspec_escape(text)..";]"
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end
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minetest.show_formspec(user:get_player_name(), "default:book", formspec)
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end
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minetest.register_on_player_receive_fields(function(player, form_name, fields)
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if form_name ~= "default:book" or not fields.save or
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fields.title == "" or fields.text == "" then
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return
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end
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local inv = player:get_inventory()
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local stack = player:get_wielded_item()
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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 = minetest.deserialize(stack:get_metadata())
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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.text = fields.text
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data.owner = player:get_player_name()
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local data_str = minetest.serialize(data)
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if new_stack then
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new_stack:set_metadata(data_str)
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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:set_metadata(data_str)
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end
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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,fuel=2},
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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, fuel=2},
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stack_max = 1,
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on_use = book_on_use,
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})
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-- Copy books
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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 copy = ItemStack("default:book_written")
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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_metadata()
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-- copy of the book held by player's mouse cursor
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itemstack:set_metadata(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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