add skins - player skin manager for sfinv

mods/skins/README.txt

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+Minetest Game mod: skins
+========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Tenplus1 (MIT) based on code by Zeg9 (WTFPL)
+paramat (MIT)
+
+Authors of media (textures)
+---------------------------
+TODO

mods/skins/init.lua

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+-- Skin selection page
+
+local skins_formspec_main = function(name, context)
+	local formspec = "label[0.0,1.5;" .. "Select Player Skin:" .. "]"
+		.. "textlist[0.0,2.0;5.8,6.7;skins_set;"
+
+	local skins_list = {}
+	context.skins_list = skins_list
+	for _, skin in pairs(player_api.registered_skins) do
+		if skin.in_inventory_list ~= false and
+				(not skin.playername or (name and skin.playername:lower() == name:lower())) then
+			table.insert(skins_list, skin)
+		end
+	end
+	table.sort(skins_list, function(a,b) return tostring(a.sort_id or a.description or a.name or "") <
+			tostring(b.sort_id or b.description or b.name or "") end)
+
+	local current_skin_name = player_api.get_skin(minetest.get_player_by_name(name))
+	local selected_skin = player_api.registered_skins[current_skin_name]
+	local selected = 1
+	for i = 1, #skins_list do
+		local skin = skins_list[i]
+		formspec = formspec .. (skin.description or skin.name)
+		if i < #skins_list then
+			formspec = formspec .. ","
+		end
+		if skin.name == current_skin_name then
+			selected = i
+		end
+	end
+	formspec = formspec .. ";" .. selected .. ";false]"
+	if selected_skin then
+		if selected_skin.description then
+			formspec = formspec .. "label[0.0,0.0;" .. "Current skin: " .. selected_skin.description .. "]"
+		end
+		if selected_skin.author then
+			formspec = formspec .. "label[0.0,0.5;" .. "Author: " .. selected_skin.author .. "]"
+		end
+		if selected_skin.license then
+			formspec = formspec .. "label[0.0,1;" .. "License: " .. selected_skin.license .. "]"
+		end
+	end
+	return formspec
+end
+
+
+-- Register sfinv tab
+local formspec_size_and_pos = table.concat({
+	"size[6.0,8.6]",
+	"position[0.05,0.5]",
+	"anchor[0.0,0.5]",
+	"bgcolor[#00000000;false]",
+	"background[5,5;1,1;gui_formbg.png;true]"
+},"")
+
+sfinv.register_page("skins:skins", {
+	title = "Skins",
+	get = function(self, player, context)
+		local name = player:get_player_name()
+		return sfinv.make_formspec(player, context, skins_formspec_main(name, context),
+			false, formspec_size_and_pos)
+	end,
+	on_player_receive_fields = function(self, player, context, fields)
+		local event = minetest.explode_textlist_event(fields["skins_set"])
+		if event.type == "CHG" then
+			local selected_skin = context.skins_list[event.index]
+			if selected_skin then
+				player_api.set_skin(player, selected_skin.name)
+			end
+		end
+	end,
+})
+
+player_api.register_on_skin_change(function(player, model_name, skin_name)
+	if sfinv.enabled then
+		sfinv.set_player_inventory_formspec(player)
+	end
+end)
+
+
+player_api.read_textures_and_meta()

mods/skins/license.txt

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+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (c) 2016-2017 TenPlus1
+Copyright (c) 2017 paramat
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures)
+----------------------------
+TODO

mods/skins/meta/character_1.txt

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+name = "Original Sam",
+author = "Jordach",

mods/skins/meta/character_2.txt

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+name = "Oerkki",
+author = "jmf",

mods/skins/meta/player_jordach.txt

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+name = "Jordach",
+author = "Jordach",

mods/skins/mod.conf

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+name = skins
+description = Simple skins manager for sfinv
+depends = player_api,sfinv