Inventory_Plus-modpack/bags/init.lua

--[[

Bags for Minetest

Copyright (c) 2012 cornernote, Brett O'Donnell <cornernote@gmail.com>
Source Code: https://github.com/cornernote/minetest-bags
License: BSD-3-Clause https://raw.github.com/cornernote/minetest-bags/master/LICENSE

]]--


-- get_formspec
local get_formspec = function(player,page)
	if page=="bags" then
		return "size[8,8.6]"
   ..default.gui_bg
   ..default.gui_bg_img
   ..default.gui_slots
   .."list[current_player;main;0,4.7;8,1;]"
   .."list[current_player;main;0,5.85;8,3;8]"
   .."button[0,0;2,0.5;main;Back]"
   .."button[0,3;2,0.5;bag1;Bag 1]"
   .."button[2,3;2,0.5;bag2;Bag 2]"
   .."button[4,3;2,0.5;bag3;Bag 3]"
   .."button[6,3;2,0.5;bag4;Bag 4]"
   .."list[detached:"..player:get_player_name().."_bags;bag1;0.5,1.75;1,1;]"
   .."list[detached:"..player:get_player_name().."_bags;bag2;2.5,1.75;1,1;]"
   .."list[detached:"..player:get_player_name().."_bags;bag3;4.5,1.75;1,1;]"
   .."list[detached:"..player:get_player_name().."_bags;bag4;6.5,1.75;1,1;]"
	end
	for i=1,4 do
		if page=="bag"..i then
			--local image = player:get_inventory():get_stack("bag"..i, 1):get_definition().inventory_image
			return "size[8,8.6]"
   ..default.gui_bg
   ..default.gui_bg_img
   ..default.gui_slots
   .."list[current_player;bag"..i.."contents;0,1;8,3;]"
   .."button[0,0;2,0.5;main;Main]"
   .."button[2,0;2,0.5;bags;Bags]"
   -- .."image[7,0;1,1;"..image.."]"
   .."list[current_player;main;0,4.7;8,1;]"
   .."list[current_player;main;0,5.85;8,3;8]"
   .. "listring[current_player;main]"
   .. "listring[current_player;bag" .. i .. "contents]"
		end
	end
end

-- register_on_player_receive_fields
minetest.register_on_player_receive_fields(function(player, formname, fields)
	if fields.bags then
		inventory_plus.set_inventory_formspec(player, get_formspec(player,"bags"))
		return
	end
	for i=1,4 do
		local page = "bag"..i
		if fields[page] then
			if player:get_inventory():get_stack(page, 1):get_definition().groups.bagslots==nil then
				page = "bags"
			end
			inventory_plus.set_inventory_formspec(player, get_formspec(player,page))
			return
		end
	end
end)

-- register_on_joinplayer
minetest.register_on_joinplayer(function(player)
	inventory_plus.register_button(player,"bags","Bags")
	local player_inv = player:get_inventory()
	local bags_inv = minetest.create_detached_inventory(player:get_player_name().."_bags",{
		on_put = function(inv, listname, index, stack, player)
			player:get_inventory():set_stack(listname, index, stack)
			player:get_inventory():set_size(listname.."contents", stack:get_definition().groups.bagslots)
		end,
		on_take = function(inv, listname, index, stack, player)
			player:get_inventory():set_stack(listname, index, nil)
		end,
		allow_put = function(inv, listname, index, stack, player)
			if stack:get_definition().groups.bagslots then
				return 1
			else
				return 0
			end
		end,
		allow_take = function(inv, listname, index, stack, player)
			if player:get_inventory():is_empty(listname.."contents")==true then
				return stack:get_count()
			else
				return 0
			end
		end,
		allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
			return 0
		end,
	})
	for i=1,4 do
		local bag = "bag"..i
		player_inv:set_size(bag, 1)
		bags_inv:set_size(bag, 1)
		bags_inv:set_stack(bag,1,player_inv:get_stack(bag,1))
	end
end)

-- register bag tools
minetest.register_tool("bags:small", {
	description = "Pouch",
	inventory_image = "bags_small.png",
	groups = {bagslots=8},
})
minetest.register_tool("bags:medium", {
	description = "Sachel",
	inventory_image = "bags_medium.png",
	groups = {bagslots=16},
})
minetest.register_tool("bags:large", {
	description = "Backpack",
	inventory_image = "bags_large.png",
	groups = {bagslots=24},
})

-- register bag crafts

minetest.register_craft({
	output = "bags:small",
	recipe = {
        {"group:wool", "", "group:wool"},
        {"group:wool", "", "group:wool"},
        {"group:wool", "group:wool", "group:wool"},
    },
})

minetest.register_craft({
	output = "bags:medium",
	recipe = {
        {"bags:small", "", "bags:small"},
        {"bags:small", "", "bags:small"},
    },
})

minetest.register_craft({
	output = "bags:large",
	recipe = {
        {"bags:medium", "", "bags:medium"},
    },
})

if minetest.get_modpath( 'mobs') then
minetest.register_craft({
	output = "bags:small",
	recipe = {
        {"mobs:leather", "", "mobs:leather"},
        {"mobs:leather", "", "mobs:leather"},
        {"mobs:leather", "mobs:leather", "mobs:leather"},
    },
})
end