256 lines
7.5 KiB
Lua
256 lines
7.5 KiB
Lua
--[[ Placeable Books by everamzah
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Copyright (C) 2016 James Stevenson
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LGPLv2.1+
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See LICENSE for more information ]]
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local lpp = 14 -- Lines per book's page
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local function on_place(itemstack, placer, pointed_thing)
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if minetest.is_protected(pointed_thing.above, placer:get_player_name()) then
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-- TODO: record_protection_violation()
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return itemstack
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end
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local meta = itemstack:get_metadata()
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local data = minetest.deserialize(meta)
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local stack = ItemStack({name = "default:book_closed"})
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if data and data.owner then
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stack:set_metadata(meta)
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end
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local _, placed = minetest.item_place(stack, placer, pointed_thing)
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if placed then
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itemstack:take_item()
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end
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return itemstack
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end
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local function after_place_node(pos, placer, itemstack, pointed_thing)
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local data = minetest.deserialize(itemstack:get_metadata())
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if data then
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local meta = minetest.get_meta(pos)
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meta:set_string("title", data.title)
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meta:set_string("text", data.text)
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meta:set_string("owner", data.owner)
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meta:set_string("text_len", data.text_len)
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meta:set_string("page", data.page)
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meta:set_string("page_max", data.page_max)
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meta:set_string("infotext", data.title .. "\n\n" ..
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"by " .. data.owner)
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end
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end
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local function formspec_display(meta, player_name, pos)
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-- Courtesy of minetest_game/mods/default/craftitems.lua
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local title, text, owner = "", "", player_name
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local page, page_max, lines, string = 1, 1, {}, ""
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if meta:to_table().fields.owner then
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title = meta:get_string("title")
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text = meta:get_string("text")
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owner = meta:get_string("owner")
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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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if meta:to_table().fields.page then
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page = meta:to_table().fields.page
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page_max = meta:to_table().fields.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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end
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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]" ..
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default.gui_bg ..
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default.gui_bg_img ..
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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]" ..
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default.gui_bg ..
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default.gui_bg_img ..
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"label[0.5,0.5;by " .. 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," .. minetest.formspec_escape(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;Page " .. page .. " of " .. 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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minetest.show_formspec(player_name,
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"default:book_" .. minetest.pos_to_string(pos), formspec)
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end
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local function on_rightclick(pos, node, clicker, itemstack, pointed_thing)
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if node.name == "default:book_closed" then
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node.name = "default:book_open"
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minetest.swap_node(pos, node)
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local meta = minetest.get_meta(pos)
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meta:set_string("infotext",
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meta:get_string("text"))
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elseif node.name == "default:book_open" then
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local player_name = clicker:get_player_name()
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local meta = minetest.get_meta(pos)
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formspec_display(meta, player_name, pos)
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end
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end
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local function on_punch(pos, node, puncher, pointed_thing)
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if node.name == "default:book_open" then
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node.name = "default:book_closed"
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minetest.swap_node(pos, node)
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local meta = minetest.get_meta(pos)
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if meta:get_string("owner") ~= "" then
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meta:set_string("infotext",
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meta:get_string("title") .. "\n\n" ..
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"by " .. meta:get_string("owner"))
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end
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end
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end
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local function on_dig(pos, node, digger)
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if minetest.is_protected(pos, digger:get_player_name()) then
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-- TODO: record_protection_violation()
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return false
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end
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local meta = minetest.get_meta(pos)
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local data = {
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title = meta:get_string("title"),
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text = meta:get_string("text"),
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owner = meta:get_string("owner"),
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text_len = meta:get_int("text_len"),
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page = meta:get_int("page"),
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page_max = meta:get_int("page_max"),
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}
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local stack
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if data.owner ~= "" then
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stack = ItemStack({name = "default:book_written"})
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stack:set_metadata(minetest.serialize(data))
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else
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stack = ItemStack({name = "default:book"})
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end
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local adder = digger:get_inventory():add_item("main", stack)
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if adder then
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minetest.item_drop(adder, digger, digger:getpos())
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end
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minetest.remove_node(pos)
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end
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minetest.override_item("default:book", {on_place = on_place})
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minetest.override_item("default:book_written", {on_place = on_place})
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-- TODO: for book_open, book_written_open
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minetest.register_node(":default:book_open", {
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description = "Book Open (you hacker you!)",
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inventory_image = "default_book.png",
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tiles = {
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"books_book_open_top.png", -- Top
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"books_book_open_bottom.png", -- Bottom
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"books_book_open_side.png", -- Right
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"books_book_open_side.png", -- Left
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"books_book_open_front.png", -- Back
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"books_book_open_front.png" -- Front
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},
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = true,
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node_box = {
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type = "fixed",
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fixed = {
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{-0.375, -0.47, -0.282, 0.375, -0.4125, 0.282}, -- Top
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{-0.4375, -0.5, -0.3125, 0.4375, -0.47, 0.3125},
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}
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},
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--groups = {attached_node = 1}, -- FIXME
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on_punch = on_punch,
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on_rightclick = on_rightclick,
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})
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-- TODO: for book_closed, book_written_closed
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minetest.register_node(":default:book_closed", {
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description = "Book Closed (you hacker you!)",
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inventory_image = "default_book.png",
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tiles = {
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"books_book_closed_topbottom.png", -- Top
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"books_book_closed_topbottom.png", -- Bottom
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"books_book_closed_right.png", -- Right
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"books_book_closed_left.png", -- Left
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"books_book_closed_front.png^[transformFX", -- Back
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"books_book_closed_front.png" -- Front
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},
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = true,
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node_box = {
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type = "fixed",
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fixed = {
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{-0.25, -0.5, -0.3125, 0.25, -0.35, 0.3125},
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}
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},
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groups = {oddly_breakable_by_hand = 3, dig_immediate = 2}, --, attached_node = 1}, -- FIXME
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on_dig = on_dig,
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on_rightclick = on_rightclick,
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after_place_node = after_place_node,
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})
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname:sub(1, 13) ~= "default:book_" then
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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 pos = minetest.string_to_pos(formname:sub(14))
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("title", fields.title)
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meta:set_string("text", fields.text)
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meta:set_string("owner", player:get_player_name())
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meta:set_string("infotext", fields.text)
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meta:set_int("text_len", fields.text:len())
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meta:set_int("page", 1)
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meta:set_int("page_max", math.ceil((fields.text:gsub("[^\n]", ""):len() + 1) / lpp))
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elseif fields.book_next or fields.book_prev then
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local pos = minetest.string_to_pos(formname:sub(14))
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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if fields.book_next then
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meta:set_int("page", meta:get_int("page") + 1)
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if meta:get_int("page") > meta:get_int("page_max") then
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meta:set_int("page", 1)
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end
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elseif fields.book_prev then
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meta:set_int("page", meta:get_int("page") - 1)
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if meta:get_int("page") == 0 then
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meta:set_int("page", meta:get_int("page_max"))
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end
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end
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formspec_display(meta, player:get_player_name(), pos)
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end
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end)
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