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default: Improves reading and writing to books. (#2656)
* Allow anyone to write to a book without any text and title. * Allows saving books without any text or title. * Adds a "Read" and "Write" tab to written owned books. Fixes #1743
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@ -3,6 +3,46 @@
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-- support for MT game translation.
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local S = default.get_translator
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local esc = minetest.formspec_escape
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local formspec_size = "size[8,8]"
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local function formspec_core(tab)
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if tab == nil then tab = 1 else tab = tostring(tab) end
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return "tabheader[0,0;book_header;" ..
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esc(S("Write")) .. "," ..
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esc(S("Read")) .. ";" ..
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tab .. ";false;false]"
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end
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local function formspec_write(title, text)
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return "field[0.5,1;7.5,0;title;" .. esc(S("Title:")) .. ";" ..
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esc(title) .. "]" ..
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"textarea[0.5,1.5;7.5,7;text;" .. esc(S("Contents:")) .. ";" ..
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esc(text) .. "]" ..
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"button_exit[2.5,7.5;3,1;save;" .. esc(S("Save")) .. "]"
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end
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local function formspec_read(owner, title, string, text, page, page_max)
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return "label[0.5,0.5;" .. esc(S("by @1", 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," .. esc(title) .. "]" ..
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"textarea[0.5,1.5;7.5,7;;" ..
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esc(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;" .. esc(S("Page @1 of @2", page, 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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local function formspec_string(lpp, page, lines, string)
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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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return string
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end
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local tab_number
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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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@ -19,8 +59,8 @@ local function book_on_use(itemstack, user)
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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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title = data.title or ""
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text = data.text or ""
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owner = data.owner
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for str in (text .. "\n"):gmatch("([^\n]*)[\n]") do
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@ -30,37 +70,26 @@ local function book_on_use(itemstack, user)
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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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string = formspec_string(lpp, page, lines, string)
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end
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end
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local formspec
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local esc = minetest.formspec_escape
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if owner == player_name then
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formspec = "size[8,8]" ..
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"field[0.5,1;7.5,0;title;" .. esc(S("Title:")) .. ";" ..
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esc(title) .. "]" ..
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"textarea[0.5,1.5;7.5,7;text;" .. esc(S("Contents:")) .. ";" ..
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esc(text) .. "]" ..
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"button_exit[2.5,7.5;3,1;save;" .. esc(S("Save")) .. "]"
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if title == "" and text == "" then
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formspec = formspec_write(title, text)
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elseif owner == player_name then
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local tab = tab_number or 1
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if tab == 2 then
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formspec = formspec_core(tab) ..
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formspec_read(owner, title, string, text, page, page_max)
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else
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formspec = formspec_core(tab) .. formspec_write(title, text)
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end
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else
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formspec = "size[8,8]" ..
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"label[0.5,0.5;" .. esc(S("by @1", 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," .. esc(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;" .. esc(S("Page @1 of @2", page, page_max)) .. "]" ..
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"button[4.9,7.6;0.8,0.8;book_next;>]"
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formspec = formspec_read(owner, title, string, text, page, page_max)
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end
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minetest.show_formspec(player_name, "default:book", formspec)
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minetest.show_formspec(player_name, "default:book", formspec_size .. formspec)
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return itemstack
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end
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@ -69,12 +98,37 @@ local max_title_size = 80
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local short_title_size = 35
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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 player_name = player:get_player_name()
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local inv = player:get_inventory()
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local stack = player:get_wielded_item()
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local data = stack:get_meta():to_table().fields
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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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local title = data.title or ""
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local text = data.text or ""
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if fields.book_header ~= nil and data.owner == player_name then
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local contents
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local tab = tonumber(fields.book_header)
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if tab == 1 then
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contents = formspec_core(tab) ..
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formspec_write(title, text)
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elseif tab == 2 then
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local lines, string = {}, ""
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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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string = formspec_string(lpp, data.page, lines, string)
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contents = formspec_read(player_name, title, string,
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text, data.page, data.page_max)
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end
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tab_number = tab
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local formspec = formspec_size .. formspec_core(tab) .. contents
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minetest.show_formspec(player_name, "default:book", formspec)
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return
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end
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if fields.save and fields.title and fields.text then
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local new_stack
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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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@ -83,11 +137,9 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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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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if data.owner ~= player_name and title ~= "" and text ~= "" then
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return
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end
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@ -117,8 +169,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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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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if not data.page then
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return
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end
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