From 082b36d3e7abda59f1c0bd1160552271174841b2 Mon Sep 17 00:00:00 2001 From: kilbith Date: Sun, 10 Apr 2016 21:29:02 +0200 Subject: [PATCH] Books: Split text per page relatively to number of lines --- mods/default/craftitems.lua | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/mods/default/craftitems.lua b/mods/default/craftitems.lua index 8b8a6d35..2fe59784 100644 --- a/mods/default/craftitems.lua +++ b/mods/default/craftitems.lua @@ -11,21 +11,30 @@ minetest.register_craftitem("default:paper", { inventory_image = "default_paper.png", }) +local lpp = 14 -- Lines per book's page local function book_on_use(itemstack, user) local player_name = user:get_player_name() local data = minetest.deserialize(itemstack:get_metadata()) local formspec, title, text, owner = "", "", "", player_name - local page, page_max, cpp = 1, 1, 650 + local page, page_max, lines, string = 1, 1, {}, "" if data 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 - cpp = data.chars_per_page + + for i = ((lpp * page) - lpp) + 1, lpp * page do + if not lines[i] then break end + string = string .. lines[i] .. "\n" + end end end @@ -44,8 +53,8 @@ local function book_on_use(itemstack, user) "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(text:sub( - (cpp * page) - cpp, cpp * page)) .. ";]" .. + "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;>]" @@ -76,10 +85,9 @@ minetest.register_on_player_receive_fields(function(player, formname, fields) if not data then data = {} end data.title = fields.title data.text = fields.text - data.text_len = fields.text:len() + data.text_len = #data.text data.page = 1 - data.chars_per_page = 650 - data.page_max = math.ceil(data.text_len / data.chars_per_page) + data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp) data.owner = player:get_player_name() local data_str = minetest.serialize(data) @@ -94,8 +102,6 @@ minetest.register_on_player_receive_fields(function(player, formname, fields) stack:set_metadata(data_str) end - player:set_wielded_item(stack) - elseif fields.book_next or fields.book_prev then local data = minetest.deserialize(stack:get_metadata()) if not data.page then return end @@ -116,6 +122,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields) stack:set_metadata(data_str) book_on_use(stack, player) end + + player:set_wielded_item(stack) end) minetest.register_craftitem("default:book", { -- 2.25.1