xdecor-libre/mailbox.lua

local mailbox = {}
screwdriver = screwdriver or {}

xdecor.register("mailbox", {
	description = "Mailbox",
	tiles = {
		"xdecor_mailbox_top.png", "xdecor_mailbox_bottom.png",
		"xdecor_mailbox_side.png", "xdecor_mailbox_side.png",
		"xdecor_mailbox.png", "xdecor_mailbox.png",
	},
	groups = {cracky=3, oddly_breakable_by_hand=1},
	on_rotate = screwdriver.rotate_simple,
	after_place_node = function(pos, placer, _)
		local meta = minetest.get_meta(pos)
		local player_name = placer:get_player_name()

		meta:set_string("owner", player_name)
		meta:set_string("infotext", player_name.."'s Mailbox")

		local inv = meta:get_inventory()
		inv:set_size("mailbox", 6*4)
		inv:set_size("drop", 1)
	end,
	on_rightclick = function(pos, _, clicker, _)
		local meta = minetest.get_meta(pos)
		local player = clicker:get_player_name()
		local owner = meta:get_string("owner")

		if player == owner then
			minetest.show_formspec(player, "", mailbox.formspec(pos, owner, 1))
		else
			minetest.show_formspec(player, "", mailbox.formspec(pos, owner, 0))
		end
	end,
	can_dig = function(pos, player)
		local meta = minetest.get_meta(pos)
		local owner = meta:get_string("owner")
		local player_name = player:get_player_name()
		local inv = meta:get_inventory()

		return inv:is_empty("mailbox") and player and player_name == owner
	end,
	on_metadata_inventory_put = function(pos, listname, _, stack, player)
		local inv = minetest.get_meta(pos):get_inventory()
		local player_name = player:get_player_name()
		local meta = minetest.get_meta(pos)
		local stack_name = stack:get_name().." "..stack:get_count()

		if listname == "drop" and inv:room_for_item("mailbox", stack) then
			inv:remove_item("drop", stack)
			inv:add_item("mailbox", stack)

			for i = 7, 2, -1 do
				meta:set_string("giver"..i, meta:get_string("giver"..(i-1)))
				meta:set_string("stack"..i, meta:get_string("stack"..(i-1)))
			end
			meta:set_string("giver1", player_name)
			meta:set_string("stack1", stack_name)
		end
	end,
	allow_metadata_inventory_put = function(pos, listname, _, stack, player)
		local player_name = player:get_player_name()
		if listname == "drop" then
			local meta = minetest.get_meta(pos)
			local inv = meta:get_inventory()
			if inv:room_for_item("mailbox", stack) then
				return -1
			else
				minetest.chat_send_player(player_name, "The mailbox is full")
			end
		end

		return 0
	end
})

local function img_col(stack)
	if not stack then return "" end
	if stack.inventory_image ~= "" then
		return stack.inventory_image:match("([%w_]+)%.png")..".png"
	else
		return stack.tiles[1]:match("([%w_]+)%.png")..".png"
	end
end

function mailbox.formspec(pos, owner, num)
	local spos = pos.x..","..pos.y..","..pos.z
	local meta = minetest.get_meta(pos)
	local giver, img = "", ""

	if num == 1 then
		for i = 1, 7 do
			if meta:get_string("giver"..i) ~= "" then
				giver = giver.."#FFFF00,"..meta:get_string("giver"..i):sub(1, 12)..
					","..i..",#FFFFFF,x "..meta:get_string("stack"..i):match("%s(%d+)")..","

				img = img..i.."="..img_col(minetest.registered_items[
					meta:get_string("stack"..i):match("([%w_:]+)")])..","
			end
		end

		return [[ size[9.5,9]
			label[0,0;Mailbox]
			label[6,0;Last donators]
			box[6,0.72;3.3,3.5;#555555]
			listring[current_player;main]
			list[current_player;main;0.75,5.25;8,4;]
			tableoptions[background=#00000000;highlight=#00000000;border=false] ]]
			.."tablecolumns[color;text;image,"..img.."0;color;text]"..
			"table[6,0.75;3.3,4;givers;"..giver.."]"..
			"list[nodemeta:"..spos..";mailbox;0,0.75;6,4;]"..
			"listring[nodemeta:"..spos..";mailbox]"..
			xbg..default.get_hotbar_bg(0.75,5.25)
	else
		return [[ size[8,5]
			list[current_player;main;0,1.25;8,4;]
			tablecolumns[color;text;color;text]
			tableoptions[background=#00000000;highlight=#00000000;border=false] ]]
			.."table[0,0;3,1;sendform;#FFFFFF,Send your goods to,,,#FFFF00,"..owner.."]"..
			"list[nodemeta:"..spos..";drop;3.5,0;1,1;]"..
			xbg..default.get_hotbar_bg(0,1.25)
	end
end