fixed skills mod

mods/crafting_guide/LICENSE.txt

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+License for Code
+----------------
+
+Copyright (C) 2016 cd2 (cdqwertz) <cdqwertz@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+http://www.gnu.org/licenses/lgpl-2.1.html
+
+License for Media
+-----------------
+
+CC-BY-SA 3.0 UNPORTED. Created by cd2 (cdqwertz)

mods/crafting_guide/depends.txt

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+default

mods/crafting_guide/init.lua

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+crafting_guide = {}
+
+crafting_guide.form = "size[3,3;]"..default.gui_colors..default.gui_bg.."item_image_button[0,0;1,1;item_11;btn1;]item_image_button[1,0;1,1;item_21;btn2;]item_image_button[2,0;1,1;item_31;btn3;]item_image_button[0,1;1,1;item_12;btn4;]item_image_button[1,1;1,1;item_22;btn5;]item_image_button[2,1;1,1;item_32;btn6;]item_image_button[0,2;1,1;item_13;btn7;]item_image_button[1,2;1,1;item_23;btn8;]item_image_button[2,2;1,1;item_33;btn9;]";
+crafting_guide.form_back = "size[3,4;]"..default.gui_colors..default.gui_bg.."item_image_button[0,0;1,1;item_11;btn1;]item_image_button[1,0;1,1;item_21;btn2;]item_image_button[2,0;1,1;item_31;btn3;]item_image_button[0,1;1,1;item_12;btn4;]item_image_button[1,1;1,1;item_22;btn5;]item_image_button[2,1;1,1;item_32;btn6;]item_image_button[0,2;1,1;item_13;btn7;]item_image_button[1,2;1,1;item_23;btn8;]item_image_button[2,2;1,1;item_33;btn9;]button[0,3;3,1;btn_back;Back]";
+
+crafting_guide.form_items = "size[8,7]"..default.gui_colors..default.gui_bg.."button[0,6;3,1;btn_left;<]button[5,6;3,1;btn_right;>]"
+
+crafting_guide.pages = {}
+
+function crafting_guide.get_formspec(crafts,back_button)
+	local str = crafting_guide.form
+	if back_button then
+		str = crafting_guide.form_back
+	end
+	local x = 1
+	local y = 1
+	local j = 1
+	for i=1,9 do
+		str = string.gsub(str,"item_"..x..y, crafts[1].items[j] or "")
+		j = j + 1
+
+		x = x+1
+		if x > 3 then
+			x = 1
+			y = y+1
+		end
+	end
+	return str
+end
+
+function crafting_guide.get_item_formspec(page)
+	page = page or 0
+
+	local str = crafting_guide.form_items
+	local i = 0
+	local x = 0
+	local y = 0
+
+	local items = {}
+	for name,def in pairs(minetest.registered_items) do
+		table.insert(items,name)
+	end
+
+	table.sort(items)
+
+	for _,name in ipairs(items) do
+		if minetest.get_all_craft_recipes(name) and i < (8*6)*(page+1) then
+			if i > (8*6)*(page) then
+				str = str .. "item_image_button["..x..","..y..";1,1;"..name..";"..name..";]"
+				x = x + 1
+				if x > 7 then
+					x = 0
+					y = y +1
+				end
+			end
+			i = i +1
+		end
+	end
+	return str
+end
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname == "crafting_guide:book" then
+		if fields.btn_back then
+			minetest.show_formspec(player:get_player_name(), "crafting_guide:book_items", crafting_guide.get_item_formspec())
+		end
+	end
+	if formname == "crafting_guide:book_items" then
+		if fields.btn_left then
+			crafting_guide.pages[player:get_player_name()] = crafting_guide.pages[player:get_player_name()] -1
+			minetest.show_formspec(player:get_player_name(), "crafting_guide:book_items", crafting_guide.get_item_formspec(crafting_guide.pages[player:get_player_name()]))
+		elseif fields.btn_right then
+			crafting_guide.pages[player:get_player_name()] = crafting_guide.pages[player:get_player_name()] +1
+			minetest.show_formspec(player:get_player_name(), "crafting_guide:book_items", crafting_guide.get_item_formspec(crafting_guide.pages[player:get_player_name()]))
+		else
+			for i,j in pairs(fields) do
+				local crafts = minetest.get_all_craft_recipes(i)
+				if crafts then
+					minetest.show_formspec(player:get_player_name(), "crafting_guide:book", crafting_guide.get_formspec(crafts,true))
+				end
+			end
+		end
+	end
+end)
+
+minetest.register_craftitem("crafting_guide:lens", {
+	inventory_image = "crafting_guide_lens.png",
+	description = "Lens",
+
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.under then
+			local crafts = minetest.get_all_craft_recipes(minetest.get_node(pointed_thing.under).name)
+			if crafts then
+				minetest.show_formspec(user:get_player_name(), "crafting_guide:lens", crafting_guide.get_formspec(crafts))
+			else
+				minetest.show_formspec(user:get_player_name(), "crafting_guide:lens", "size[3,3;]"..default.gui_colors..default.gui_bg.."label[0,0;No crafts]")
+			end
+		end
+	end
+})
+
+minetest.register_craftitem("crafting_guide:book", {
+	inventory_image = "crafting_guide_book.png",
+	description = "Crafting Guide",
+
+	on_use = function(itemstack, user, pointed_thing)
+		crafting_guide.pages[user:get_player_name()] = 0
+		minetest.show_formspec(user:get_player_name(), "crafting_guide:book_items", crafting_guide.get_item_formspec(0))
+	end
+})