VoxeLibre/mods/ITEMS/mcl_chests/chests.lua

local S = minetest.get_translator(minetest.get_current_modname())                                                                      
local F = minetest.formspec_escape
local C = minetest.colorize
local get_double_container_neighbor_pos = mcl_util.get_double_container_neighbor_pos
local trapped_chest_mesecons_rules = mesecon.rules.pplate

local chestusage = S("To access its inventory, rightclick it. When broken, the items will drop out.")

mcl_chests.register_chest("chest",
	S("Chest"),
	S("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."),
	chestusage,
	S("27 inventory slots") .. "\n" .. S("Can be combined to a large chest"),
	{
		small = mcl_chests.tiles.chest_normal_small,
		double = mcl_chests.tiles.chest_normal_double,
		inv = { "default_chest_top.png", "mcl_chests_chest_bottom.png",
			"mcl_chests_chest_right.png", "mcl_chests_chest_left.png",
			"mcl_chests_chest_back.png", "default_chest_front.png" },
	},
	false
)

local traptiles = {
	small = mcl_chests.tiles.chest_trapped_small,
	double = mcl_chests.tiles.chest_trapped_double,
}

mcl_chests.register_chest("trapped_chest",
	S("Trapped Chest"),
	S("A trapped chest is a container which provides 27 inventory slots. When it is opened, it sends a redstone signal to its adjacent blocks as long it stays open. Trapped chests can be turned into large trapped chests with double the capacity by placing two trapped chests next to each other."),
	chestusage,
	S("27 inventory slots") ..
	"\n" .. S("Can be combined to a large chest") .. "\n" .. S("Emits a redstone signal when opened"),
	traptiles,
	nil,
	{
		receptor = {
			state = mesecon.state.off,
			rules = trapped_chest_mesecons_rules,
		},
	},
	function(pos, node, clicker)
		minetest.swap_node(pos, { name = "mcl_chests:trapped_chest_on_small", param2 = node.param2 })
		mcl_chests.find_or_create_entity(pos, "mcl_chests:trapped_chest_on_small", { "mcl_chests_trapped.png" }, node.param2, false,
			"default_chest", "mcl_chests_chest", "chest"):reinitialize("mcl_chests:trapped_chest_on_small")
		mesecon.receptor_on(pos, trapped_chest_mesecons_rules)
	end,
	function(pos, node, clicker)
		local meta = minetest.get_meta(pos)
		meta:set_int("players", 1)

		minetest.swap_node(pos, { name = "mcl_chests:trapped_chest_on_left", param2 = node.param2 })
		mcl_chests.find_or_create_entity(pos, "mcl_chests:trapped_chest_on_left", mcl_chests.tiles.chest_trapped_double, node.param2, true,
			"default_chest", "mcl_chests_chest", "chest"):reinitialize("mcl_chests:trapped_chest_on_left")
		mesecon.receptor_on(pos, trapped_chest_mesecons_rules)

		local pos_other = get_double_container_neighbor_pos(pos, node.param2, "left")
		minetest.swap_node(pos_other, { name = "mcl_chests:trapped_chest_on_right", param2 = node.param2 })
		mesecon.receptor_on(pos_other, trapped_chest_mesecons_rules)
	end,
	function(pos, node, clicker)
		local pos_other = get_double_container_neighbor_pos(pos, node.param2, "right")

		minetest.swap_node(pos, { name = "mcl_chests:trapped_chest_on_right", param2 = node.param2 })
		mesecon.receptor_on(pos, trapped_chest_mesecons_rules)

		minetest.swap_node(pos_other, { name = "mcl_chests:trapped_chest_on_left", param2 = node.param2 })
		mcl_chests.find_or_create_entity(pos_other, "mcl_chests:trapped_chest_on_left", mcl_chests.tiles.chest_trapped_double, node.param2,
			true,
			"default_chest", "mcl_chests_chest", "chest"):reinitialize("mcl_chests:trapped_chest_on_left")
		mesecon.receptor_on(pos_other, trapped_chest_mesecons_rules)
	end
)

mcl_chests.register_chest("trapped_chest_on",
	nil, nil, nil, nil, traptiles, true,
	{
		receptor = {
			state = mesecon.state.on,
			rules = trapped_chest_mesecons_rules,
		},
	},
	nil, nil, nil,
	"trapped_chest",
	"trapped_chest"
)

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_craft({
	type = "fuel",
	recipe = "mcl_chests:trapped_chest",
	burntime = 15,
})