Books: Add support for multiple pages

This commit is contained in:
Jean-Patrick Guerrero 2016-03-16 22:01:14 +01:00 committed by paramat
parent 8fdcfea9f9
commit b57dd0f9b2

View File

@ -11,14 +11,22 @@ minetest.register_craftitem("default:paper", {
inventory_image = "default_paper.png",
})
local function book_on_use(itemstack, user, pointed_thing)
local function book_on_use(itemstack, user)
local player_name = user:get_player_name()
local data = minetest.deserialize(itemstack:get_metadata())
local title, text, owner = "", "", player_name
local formspec, title, text, text_len, page, page_max, cpp, owner =
"", "", "", 1, 1, 1, 1, player_name
if data then
title, text, owner = data.title, data.text, data.owner
title = data.title
text = data.text
owner = data.owner
text_len = data.text_len
page = data.page
page_max = data.page_max
cpp = data.chars_per_page
end
local formspec
if owner == player_name then
formspec = "size[8,8]" .. default.gui_bg ..
default.gui_bg_img ..
@ -31,20 +39,25 @@ local function book_on_use(itemstack, user, pointed_thing)
formspec = "size[8,8]" .. default.gui_bg ..
default.gui_bg_img ..
"label[0.5,0.5;by " .. owner .. "]" ..
"label[0.5,0;" .. minetest.formspec_escape(title) .. "]" ..
"textarea[0.5,1.5;7.5,7;text;;" ..
minetest.formspec_escape(text) .. "]"
end
minetest.show_formspec(user:get_player_name(), "default:book", formspec)
"tablecolumns[color;text]" ..
"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
"table[0.4,0;4,0.5;title;#FFFF00," .. minetest.formspec_escape(title) .. "]"..
"textarea[0.5,1.5;7.5,7;;".. minetest.formspec_escape(text:sub(
(cpp * page) - cpp, cpp * page)) .. ";]" ..
"button[4.6,0.2;0.8,0.8;book_prev;<]" ..
"label[5.35,0.3;Page " .. page .. " of " .. page_max .. "]"..
"button[7,0.2;0.8,0.8;book_next;>]"
end
minetest.register_on_player_receive_fields(function(player, form_name, fields)
if form_name ~= "default:book" or not fields.save or
fields.title == "" or fields.text == "" then
return
minetest.show_formspec(player_name, "default:book", formspec)
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "default:book" then return end
local inv = player:get_inventory()
local stack = player:get_wielded_item()
if fields.save and fields.title ~= "" and fields.text ~= "" then
local new_stack, data
if stack:get_name() ~= "default:book_written" then
local count = stack:get_count()
@ -57,11 +70,17 @@ minetest.register_on_player_receive_fields(function(player, form_name, fields)
else
data = minetest.deserialize(stack:get_metadata())
end
if not data then data = {} end
data.title = fields.title
data.text = fields.text
data.text_len = fields.text:len()
data.page = 1
data.chars_per_page = 650
data.page_max = math.ceil(data.text_len / data.chars_per_page)
data.owner = player:get_player_name()
local data_str = minetest.serialize(data)
if new_stack then
new_stack:set_metadata(data_str)
if inv:room_for_item("main", new_stack) then
@ -72,7 +91,27 @@ minetest.register_on_player_receive_fields(function(player, form_name, fields)
else
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 fields.book_next then
data.page = data.page + 1
if data.page > data.page_max then
data.page = 1
end
else
data.page = data.page - 1
if data.page == 0 then
data.page = data.page_max
end
end
local data_str = minetest.serialize(data)
stack:set_metadata(data_str)
book_on_use(stack, player)
end
end)
minetest.register_craftitem("default:book", {