From 082b36d3e7abda59f1c0bd1160552271174841b2 Mon Sep 17 00:00:00 2001
From: kilbith <jeanpatrick.guerrero@gmail.com>
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", {
--
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