DigWorks/mods/ITEMS/mcl_chests/init.lua

local function get_chest_neighborpos(pos, param2, side)
	if side == "right" then
		if param2 == 0 then
			return {x=pos.x-1, y=pos.y, z=pos.z}
		elseif param2 == 1 then
			return {x=pos.x, y=pos.y, z=pos.z+1}
		elseif param2 == 2 then
			return {x=pos.x+1, y=pos.y, z=pos.z}
		elseif param2 == 3 then
			return {x=pos.x, y=pos.y, z=pos.z-1}
		end
	else
		if param2 == 0 then
			return {x=pos.x+1, y=pos.y, z=pos.z}
		elseif param2 == 1 then
			return {x=pos.x, y=pos.y, z=pos.z-1}
		elseif param2 == 2 then
			return {x=pos.x-1, y=pos.y, z=pos.z}
		elseif param2 == 3 then
			return {x=pos.x, y=pos.y, z=pos.z+1}
		end
	end
end

minetest.register_node("mcl_chests:chest", {
	description = "Chest",
	_doc_items_longdesc = "Chests are containers which provide 27 inventory slots. Chests can be turned into large chests with double the capacity by placing two chests next to each other.",
	_doc_items_usagehelp = "To acccess the inventory of a chest or large chest, rightclick it. When broken, the items of the chest will drop out.",
	tiles = {"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
		"default_chest_side.png", "default_chest_side.png", "default_chest_front.png"},
	paramtype2 = "facedir",
	stack_max = 64,
	groups = {handy=1,axey=1, container=2, deco_block=1, material_wood=1},
	is_ground_content = false,
	sounds = mcl_sounds.node_sound_wood_defaults(),
	on_construct = function(pos)
		local param2 = minetest.get_node(pos).param2
		local meta = minetest.get_meta(pos)
		if minetest.get_node(get_chest_neighborpos(pos, param2, "right")).name == "mcl_chests:chest" then
			minetest.set_node(pos, {name="mcl_chests:chest_right",param2=param2})
			local p = get_chest_neighborpos(pos, param2, "right")
			meta:set_string("formspec",
					"size[9,11.5]"..
					"background[-0.19,-0.25;9.41,12.5;crafting_inventory_chest_large.png]"..
					mcl_vars.inventory_header..
					"list[nodemeta:"..p.x..","..p.y..","..p.z..";main;0,0.5;9,3;]"..
					"list[current_name;main;0,3.5;9,3;]"..
					"list[current_player;main;0,7.5;9,3;9]"..
					"list[current_player;main;0,10.75;9,1;]"..
					"listring[current_player;main]"..
					"listring[nodemeta:"..p.x..","..p.y..","..p.z..";main]"..
					"listring[current_player;main]"..
					"listring[current_name;main]")
			minetest.swap_node(p, { name = "mcl_chests:chest_left", param2 = param2 })
			local m = minetest.get_meta(p)
			m:set_string("formspec",
					"size[9,11.5]"..
					"background[-0.19,-0.25;9.41,12.5;crafting_inventory_chest_large.png]"..
					mcl_vars.inventory_header..
					"list[current_name;main;0,0.5;9,3;]"..
					"list[nodemeta:"..pos.x..","..pos.y..","..pos.z..";main;0,3.5;9,3;]"..
					"list[current_player;main;0,7.5;9,3;9]"..
					"list[current_player;main;0,10.75;9,1;]"..
					"listring[current_player;main]"..
					"listring[current_name;main]"..
					"listring[current_player;main]"..
					"listring[nodemeta:"..pos.x..","..pos.y..","..pos.z..";main]")
		elseif minetest.get_node(get_chest_neighborpos(pos, param2, "left")).name == "mcl_chests:chest" then
			minetest.set_node(pos, {name="mcl_chests:chest_left",param2=param2})
			local p = get_chest_neighborpos(pos, param2, "left")
			meta:set_string("formspec",
					"size[9,11.5]"..
					"background[-0.19,-0.25;9.41,12.5;crafting_inventory_chest_large.png]"..
					mcl_vars.inventory_header..
					"list[current_name;main;0,0.5;9,3;]"..
					"list[nodemeta:"..p.x..","..p.y..","..p.z..";main;0,3.5;9,3;]"..
					"list[current_player;main;0,7.5;9,3;9]"..
					"list[current_player;main;0,10.75;9,1;]"..
					"listring[current_player;main]"..
					"listring[current_name;main]"..
					"listring[current_player;main]"..
					"listring[nodemeta:"..p.x..","..p.y..","..p.z..";main]")
			minetest.swap_node(p, { name = "mcl_chests:chest_right", param2 = param2 })
			local m = minetest.get_meta(p)
			m:set_string("formspec",
					"size[9,11.5]"..
					"background[-0.19,-0.25;9.41,12.5;crafting_inventory_chest_large.png]"..
					mcl_vars.inventory_header..
					"list[nodemeta:"..pos.x..","..pos.y..","..pos.z..";main;0,0.5;9,3;]"..
					"list[current_name;main;0,3.5;9,3;]"..
					"list[current_player;main;0,7.5;9,3;9]"..
					"list[current_player;main;0,10.75;9,1;]"..
					"listring[current_player;main]"..
					"listring[nodemeta:"..pos.x..","..pos.y..","..pos.z..";main]"..
					"listring[current_player;main]"..
					"listring[current_name;main]")
		else
			meta:set_string("formspec",
					"size[9,8.75]"..
					mcl_vars.inventory_header..
					"background[-0.19,-0.25;9.41,10.48;crafting_inventory_chest.png]"..
					"image[0,-0.2;5,0.75;fnt_chest.png]"..
					"list[current_name;main;0,0.5;9,3;]"..
					"list[current_player;main;0,4.5;9,3;9]"..
					"list[current_player;main;0,7.74;9,1;]"..
					"listring[current_name;main]"..
					"listring[current_player;main]")
		end
		local inv = meta:get_inventory()
		inv:set_size("main", 9*3)
	end,
	after_dig_node = function(pos, oldnode, oldmetadata, digger)
		local meta = minetest.get_meta(pos)
		local meta2 = meta
		meta:from_table(oldmetadata)
		local inv = meta:get_inventory()
		for i=1,inv:get_size("main") do
			local stack = inv:get_stack("main", i)
			if not stack:is_empty() then
				local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
				minetest.add_item(p, stack)
			end
		end
		meta:from_table(meta2:to_table())
	end,
	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff in chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_put = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff to chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_take = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" takes stuff from chest at "..minetest.pos_to_string(pos))
	end,
	_mcl_blast_resistance = 2.5,
	_mcl_hardness = 2.5,
})

minetest.register_node("mcl_chests:chest_left", {
	_doc_items_create_entry = true,
	_doc_items_entry_name = "Large Chest",
	_doc_items_longdesc = "Large chests are two block wide containers providing 52 inventory slots. Chests can be turned into (small) chests with half the capacity by breaking one of its blocks.",
	_doc_items_usagehelp = "To acccess the inventory of a large chest, rightclick it. The left part of the large chest corresponds to the first 27 inventory slots and the right part to the rest. When broken, the items which correspond to the broken part of the half chest will pop out.",

	tiles = {"default_chest_top_big.png", "default_chest_top_big.png", "default_chest_side.png",
		"default_chest_side.png", "default_chest_side_big.png^[transformFX", "default_chest_front_big.png"},
	paramtype2 = "facedir",
	groups = {handy=1,axey=1, container=2,not_in_creative_inventory=1, material_wood=1},
	drop = "mcl_chests:chest",
	is_ground_content = false,
	sounds = mcl_sounds.node_sound_wood_defaults(),
	on_destruct = function(pos)
		local n = minetest.get_node(pos)
		if n.name == "mcl_chests:chest" then
			return
		end
		local param2 = n.param2
		local p = get_chest_neighborpos(pos, param2, "left")
		if not p or minetest.get_node(p).name ~= "mcl_chests:chest_right" then
			return
		end
		local meta = minetest.get_meta(p)
		meta:set_string("formspec",
				"size[9,8.75]"..
				"background[-0.19,-0.25;9.41,10.48;crafting_inventory_chest.png]"..
				"image[0,-0.2;5,0.75;fnt_chest.png]"..
				mcl_vars.inventory_header..
				"list[current_name;main;0,0.5;9,3;]"..
				"list[current_player;main;0,4.5;9,3;9]"..
				"list[current_player;main;0,7.74;9,1;]"..
				"listring[current_name;main]"..
				"listring[current_player;main]")
		minetest.swap_node(p, { name = "mcl_chests:chest", param2 = param2 })
	end,
	after_dig_node = function(pos, oldnode, oldmetadata, digger)
		local meta = minetest.get_meta(pos)
		local meta2 = meta
		meta:from_table(oldmetadata)
		local inv = meta:get_inventory()
		for i=1,inv:get_size("main") do
			local stack = inv:get_stack("main", i)
			if not stack:is_empty() then
				local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
				minetest.add_item(p, stack)
			end
		end
		meta:from_table(meta2:to_table())
	end,
	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff in chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_put = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff to chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_take = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" takes stuff from chest at "..minetest.pos_to_string(pos))
	end,
	_mcl_blast_resistance = 2.5,
	_mcl_hardness = 2.5,
})

minetest.register_node("mcl_chests:chest_right", {
	tiles = {"default_chest_top_big.png^[transformFX", "default_chest_top_big.png^[transformFX", "default_chest_side.png",
		"default_chest_side.png", "default_chest_side_big.png", "default_chest_front_big.png^[transformFX"},
	paramtype2 = "facedir",
	groups = {handy=1,axey=1, container=2,not_in_creative_inventory=1, material_wood=1},
	drop = "mcl_chests:chest",
	is_ground_content = false,
	sounds = mcl_sounds.node_sound_wood_defaults(),
	on_destruct = function(pos)
		local n = minetest.get_node(pos)
		if n.name == "mcl_chests:chest" then
			return
		end
		local param2 = n.param2
		local p = get_chest_neighborpos(pos, param2, "right")
		if not p or minetest.get_node(p).name ~= "mcl_chests:chest_left" then
			return
		end
		local meta = minetest.get_meta(p)
		meta:set_string("formspec",
				"size[9,8.75]"..
				"background[-0.19,-0.25;9.41,10.48;crafting_inventory_chest.png]"..
				"image[0,-0.2;5,0.75;fnt_chest.png]"..
				mcl_vars.inventory_header..
				"list[current_name;main;0,0.5;9,3;]"..
				"list[current_player;main;0,4.5;9,3;9]"..
				"list[current_player;main;0,7.74;9,1;]"..
				"listring[current_name;main]"..
				"listring[current_player;main]")
		minetest.swap_node(p, { name = "mcl_chests:chest", param2 = param2 })
	end,
	after_dig_node = function(pos, oldnode, oldmetadata, digger)
		local meta = minetest.get_meta(pos)
		local meta2 = meta
		meta:from_table(oldmetadata)
		local inv = meta:get_inventory()
		for i=1,inv:get_size("main") do
			local stack = inv:get_stack("main", i)
			if not stack:is_empty() then
				local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
				minetest.add_item(p, stack)
			end
		end
		meta:from_table(meta2:to_table())
	end,
	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff in chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_put = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" moves stuff to chest at "..minetest.pos_to_string(pos))
	end,
    on_metadata_inventory_take = function(pos, listname, index, stack, player)
		minetest.log("action", player:get_player_name()..
				" takes stuff from chest at "..minetest.pos_to_string(pos))
	end,
	_mcl_blast_resistance = 2.5,
	_mcl_hardness = 2.5,
})

minetest.register_craft({
	output = 'mcl_chests:chest',
	recipe = {
		{'group:wood', 'group:wood', 'group:wood'},
		{'group:wood', '', 'group:wood'},
		{'group:wood', 'group:wood', 'group:wood'},
	}
})

minetest.register_craft({
	type = 'fuel',
	recipe = 'mcl_chests:chest',
	burntime = 15
})

minetest.register_node("mcl_chests:ender_chest", {
	description = "Ender Chest",
	_doc_items_longdesc = "Ender chests grant you access to a single personal interdimensional inventory with 27 slots. This inventory is the same no matter from which ender chest you access it from. If you put one item into one ender chest, you will find it in all other ender chetss worldwide. Each player will only see their own items, but not the items of other players.",
	_doc_items_usagehelp = "Rightclick the ender chest to access your personal interdimensional inventory.",
	tiles = {"mcl_chests_ender_chest_top.png", "mcl_chests_ender_chest_bottom.png",
		"mcl_chests_ender_chest_right.png", "mcl_chests_ender_chest_left.png",
		"mcl_chests_ender_chest_back.png", "mcl_chests_ender_chest_front.png"},
	-- Note: The “container” group is missing here because the ender chest does not
	-- have an inventory on its own
	groups = {pickaxey=1, deco_block=1, material_stone=1},
	is_ground_content = false,
	paramtype = "light",
	light_source = 7,
	paramtype2 = "facedir",
	sounds = mcl_sounds.node_sound_stone_defaults(),
	drop = "mcl_core:obsidian 8",
	on_construct = function(pos)
		local meta = minetest.get_meta(pos)
		meta:set_string("formspec", 
				"size[9,8.75]"..
				mcl_vars.inventory_header..
				"background[-0.19,-0.25;9.41,10.48;crafting_inventory_chest.png]"..
				"image[0,-0.2;5,0.75;fnt_ender_chest.png]"..
				"list[current_player;enderchest;0,0.5;9,3;]"..
				"list[current_player;main;0,4.5;9,3;9]"..
				"list[current_player;main;0,7.74;9,1;]"..
				"listring[current_player;enderchest]"..
				"listring[current_player;main]")
	end,
	_mcl_blast_resistance = 3000,
	_mcl_hardness = 22.5,
})

minetest.register_on_joinplayer(function(player)
	local inv = player:get_inventory()
	inv:set_size("enderchest", 9*3)
end)

minetest.register_craft({
	output = 'mcl_chests:ender_chest',
	recipe = {
		{'mcl_core:obsidian', 'mcl_core:obsidian', 'mcl_core:obsidian'},
		{'mcl_core:obsidian', 'mcl_end:ender_eye', 'mcl_core:obsidian'},
		{'mcl_core:obsidian', 'mcl_core:obsidian', 'mcl_core:obsidian'},
	}
})

-- Shulker boxes
local boxtypes = {
	white = "White Shulker Box",
	grey = "Light Grey Shulker Box",
	orange = "Orange Shulker Box",
	cyan = "Cyan Shulker Box",
	magenta = "Magenta Shulker Box",
	violet = "Purple Shulker Box",
	lightblue = "Light Blue Shulker Box",
	blue = "Blue Shulker Box",
	yellow = "Yellow Shulker Box",
	brown = "Brown Shulker Box",
	green = "Lime Shulker Box",
	dark_green = "Green Shulker Box",
	pink = "Pink Shulker Box",
	red = "Red Shulker Box",
	dark_grey = "Grey Shulker Box",
	black = "Black Shulker Box",
}

for color, desc in pairs(boxtypes) do
	minetest.register_node("mcl_chests:"..color.."_shulker_box", {
		description = desc,
		_doc_items_longdesc = "A shulker box is a portable container which provides 27 inventory slots for any item except shulker boxes. Shulker boxes keep their inventory when broken, so shulker boxes as well as their contents can be taken as a single item. Shulker boxes come in many different colors.",
		_doc_items_usagehelp = "To access the inventory of a shulker box, place and right-click it. To take a shulker box and its contents with you, just break and collect it, the items will not fall out. Place the shulker box again to be able to retrieve its contents.",
		tiles = {"mcl_chests_"..color.."_shulker_box_top.png", "mcl_chests_"..color.."_shulker_box_bottom.png",
			"mcl_chests_"..color.."_shulker_box_side.png", "mcl_chests_"..color.."_shulker_box_side.png",
			"mcl_chests_"..color.."_shulker_box_side.png", "mcl_chests_"..color.."_shulker_box_side.png"},
		groups = {handy=1,pickaxey=1, container=3, deco_block=1, shulker_box=1},
		is_ground_content = false,
		sounds = mcl_sounds.node_sound_stone_defaults(),
		stack_max = 1,
		drop = "",
		on_construct = function(pos)
			local meta = minetest.get_meta(pos)
			meta:set_string("formspec",
					"size[9,8.75]"..
					mcl_vars.inventory_header..
					"background[-0.19,-0.25;9.41,10.48;crafting_inventory_chest.png]"..
					"image[0,-0.2;5,0.75;fnt_shulker_box.png]"..
					"list[current_name;main;0,0.5;9,3;]"..
					"list[current_player;main;0,4.5;9,3;9]"..
					"list[current_player;main;0,7.74;9,1;]"..
					"listring[current_name;main]"..
					"listring[current_player;main]")
			local inv = meta:get_inventory()
			inv:set_size("main", 9*3)
		end,
		after_place_node = function(pos, placer, itemstack, pointed_thing)
			local nmeta = minetest.get_meta(pos)
			local ninv = nmeta:get_inventory()
			local imeta = itemstack:get_metadata()
			local iinv_main = minetest.deserialize(imeta)
			ninv:set_list("main", iinv_main)
			ninv:set_size("main", 9*3)
			if minetest.setting_getbool("creative_mode") then
				if not ninv:is_empty("main") then
					return nil
				else
					return itemstack
				end
			else
				return nil
			end
		end,
		after_dig_node = function(pos, oldnode, oldmetadata, digger)
			local meta = minetest.get_meta(pos)
			meta:from_table(oldmetadata)
			local inv = meta:get_inventory()
			local items = {}
			for i=1, inv:get_size("main") do
				local stack = inv:get_stack("main", i)
				items[i] = stack:to_string()
			end
			local data = minetest.serialize(items)
			local boxitem = ItemStack("mcl_chests:"..color.."_shulker_box")
			boxitem:set_metadata(data)

			if minetest.setting_getbool("creative_mode") then
				if not inv:is_empty("main") then
					minetest.add_item(pos, boxitem)
				end
			else
				minetest.add_item(pos, boxitem)
			end
		end,
		allow_metadata_inventory_put = function(pos, listname, index, stack, player)
			-- Do not allow to place shulker boxes into shulker boxes
			local group = minetest.get_item_group(stack:get_name(), "shulker_box")
			if group == 0 or group == nil then
				return stack:get_count()
			else
				return 0
			end
		end,
		_mcl_blast_resistance = 30,
		_mcl_hardness = 6,
	})

	minetest.register_craft({
		type = "shapeless",
		output = 'mcl_chests:'..color..'_shulker_box',
		recipe = { 'group:shulker_box', 'mcl_dye:'..color }
	})
end

minetest.register_craft({
	output = 'mcl_chests:violet_shulker_box',
	recipe = {
		{'mcl_mobitems:shulker_shell'},
		{'mcl_chests:chest'},
		{'mcl_mobitems:shulker_shell'},
	}
})