initial draft

.github/workflows/luacheck.yml

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+name: luacheck
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: apt
+      run: sudo apt-get install -y luarocks
+    - name: luacheck install
+      run: luarocks install --local luacheck
+    - name: luacheck run
+      run: $HOME/.luarocks/bin/luacheck ./

.luacheckrc

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+
+globals = {
+	"detached_chest"
+}
+
+read_globals = {
+	-- Stdlib
+	string = {fields = {"split"}},
+	table = {fields = {"copy", "getn"}},
+
+	-- Minetest
+	"vector", "ItemStack",
+	"dump",
+
+	-- deps
+	"default",
+	"minetest"
+}

chest_node.lua

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+
+minetest.register_node("detached_chest:detached_chest", {
+	description = "Detached Chest",
+	tiles = {
+    "wifi_top.png",
+    "wifi_top.png",
+    "wifi_side.png",
+		"wifi_side.png",
+    "wifi_side.png",
+    "wifi_front.png"
+  },
+	paramtype2 = "facedir",
+
+	groups = {
+    snappy=2,
+    choppy=2,
+    oddly_breakable_by_hand=2
+  },
+
+	sounds = default.node_sound_wood_defaults(),
+
+  after_place_node = function(pos, placer)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("owner", placer:get_player_name())
+    meta:set_string("infotext", "Detached Chest (unconfigured)")
+	end,
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec",
+				"size[8,9]"..
+				default.gui_bg ..
+				default.gui_bg_img ..
+				default.gui_slots ..
+				"list[current_player;more_chests:wifi;0,0.3;8,4;]"..
+				"list[current_player;main;0,4.85;8,1;]" ..
+				"list[current_player;main;0,6.08;8,3;8]" ..
+				"listring[current_player;more_chests:wifi]" ..
+				"listring[current_player;main]" ..
+				default.get_hotbar_bg(0,4.85))
+
+	end,
+
+  on_rightclick = function(pos, _, player)
+    local meta = minetest.get_meta(pos)
+    if meta:get_string("channel") == "" then
+      detached_chest.show_form_configure(pos, player)
+    else
+      detached_chest.show_form_inventory(pos, player)
+    end
+  end
+
+})

form_configure.lua

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+
+local FORMNAME = "detached_chest_configure"
+
+function detached_chest.show_form_configure(pos, player)
+
+  local playername = player:get_player_name()
+  local formspec = "field[channel;Channel;${channel}"
+
+  minetest.show_formspec(playername,
+		FORMNAME .. ";" .. minetest.pos_to_string(pos),
+		formspec
+	)
+end
+
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	local parts = formname:split(";")
+	local name = parts[1]
+	if name ~= FORMNAME then
+		return
+	end
+
+	local pos = minetest.string_to_pos(parts[2])
+	local meta = minetest.get_meta(pos)
+	local playername = player:get_player_name()
+
+	if minetest.is_protected(pos, playername) then
+		return
+	end
+
+	if fields.save and fields.channel then
+		meta:set_string("channel", fields.channel)
+    meta:set_string("infotext", "Detached Chest (channel: " .. fields.channel .. ")")
+	end
+
+end)

form_inventory.lua

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+
+local FORMNAME = "detached_chest_inventory"
+
+function detached_chest.show_form_inventory(pos, player)
+
+  local meta = minetest.get_meta(pos)
+  local channel = meta:get_string("channel")
+  detached_chest.setup_inventory(player, channel)
+
+  local inv_name = detached_chest.get_inventory_name(player, channel)
+
+  local playername = player:get_player_name()
+  local formspec = "size[8,9]"..
+    default.gui_bg ..
+    default.gui_bg_img ..
+    default.gui_slots ..
+    "list[current_player;detached:" .. inv_name .. ";main;0,0.3;8,4;]"..
+    "list[current_player;main;0,4.85;8,1;]" ..
+    "list[current_player;main;0,6.08;8,3;8]" ..
+    "listring[current_player;detached:" .. inv_name .. ";main]" ..
+    "listring[current_player;main]" ..
+    default.get_hotbar_bg(0,4.85)
+
+  minetest.show_formspec(playername,
+		FORMNAME .. ";" .. minetest.pos_to_string(pos),
+		formspec
+	)
+end

init.lua

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+
+detached_chest = {}
+
+local MP = minetest.get_modpath("detached_chest")
+
+dofile(MP.."/form_cofigure.lua")
+dofile(MP.."/form_inventory.lua")
+dofile(MP.."/inventory.lua")
+dofile(MP.."/chest_node.lua")

inventory.lua

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+
+-- playername -> { inv_name = <inv>, inv_name2 = <inv> }
+local player_inventories = {}
+
+function detached_chest.get_inventory_name(player, channel)
+  return player:get_player_name() .. ":" .. channel
+end
+
+-- create / get
+function detached_chest.setup_inventory(player, channel)
+  local inv_name = detached_chest.get_inventory_name(player, channel)
+  local playername = player:get_player_name()
+
+  local inv_map = player_inventories[playername]
+  if not inv_map then
+    inv_map = {}
+    player_inventories[playername] = inv_map
+  end
+
+  local inv = inv_map[inv_name]
+  if not inv then
+    inv = minetest.create_detached_inventory(inv_name, {}) -- TODO: on_* checks
+    inv:set_size("main", 8*4)
+    -- TODO: restore
+    inv_map[inv_name] = inv
+  end
+
+  return inv
+end
+
+-- cleanup
+minetest.register_on_leaveplayer(function(player)
+  local playername = player:get_player_name()
+
+  if not player_inventories[playername] then
+    return
+  end
+
+  for inv_name in pairs(player_inventories[playername]) do
+    -- TODO: persist
+    minetest.remove_detached_inventory(inv_name)
+  end
+end)

mod.conf

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+name = detached_chest
+description = configurable, detached chest
+depends = default

readme.md

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+A configurable chest (mod for minetest)
+
+# Overview
+
+State: **WIP**
+
+# Licenses
+
+* Code: MIT
+* Textures: CC-BY-SA 3.0
+
+* `textures/wifi*.png` https://github.com/minetest-mods/more_chests