Add trashcan.

init.lua

@@ -14,5 +14,5 @@ mod.dat = {}
 mod.magic_ingredient = 'default:mese_crystal'  -- Hmmm.... ?
 
 
-dofile(mod.path .. '/recipes.lua')
 dofile(mod.path .. '/inventory.lua')
+dofile(mod.path .. '/recipes.lua')

inventory.lua

@@ -211,6 +211,38 @@ function mod.empty_craft(player)
 end
 
 
+function mod.empty_trash(player)
+	local pos
+
+	if player and player.get_player_name then
+		local player_name = player:get_player_name()
+		if mod.dat[player_name].trash_opened then
+			pos = mod.dat[player_name].trash_opened
+		end
+	end
+
+	if not pos then
+		return
+	end
+
+	local meta = minetest.get_meta(pos)
+	if not meta then
+		return
+	end
+
+	local inv = meta:get_inventory()
+	if not inv then
+		return
+	end
+
+	local size = inv:get_size('main')
+	for i = 1, size do
+		--local st = inv:get_stack('main', i)
+		inv:set_stack('main', i, nil)
+	end
+end
+
+
 function mod.get_all_craft_recipes(craft_item)
 	local recipes = {}
 	for k, v in pairs(minetest.get_all_craft_recipes(craft_item) or {}) do
@@ -243,6 +275,29 @@ function mod.get_main_size_by_bags(player)
 end
 
 
+function mod.get_trashcan_formspec(pos, player)
+	local scroll_to = 0
+	if player and player.get_player_name then
+		local player_name = player:get_player_name()
+		if mod.dat[player_name].scroll_main_to then
+			scroll_to = mod.dat[player_name].scroll_main_to
+		end
+	end
+
+	local spos = pos.x .. ',' .. pos.y .. ',' .. pos.z
+	local formspec = 'size[9,8]' ..
+	'list[nodemeta:' .. spos .. ';main;0,0.3;8,4;]' ..
+	'list[current_player;main;0,4;8,4;' .. scroll_to .. ']' ..
+	'listring[]' ..
+	 'image_button[3,2.5;2,1;transparent_button.png;dinv_trash_empty;Empty Trash]' ..
+	 'image_button[8,4;1,1;transparent_button.png;dinv_trash_inventory_up;Up]' ..
+	 'image_button[8,6;1,1;transparent_button.png;dinv_trash_inventory_down;Down]' ..
+	default.get_hotbar_bg(0,4.85)
+
+	return formspec
+end
+
+
 -- Any warmth over zero is sufficient at the moment.
 function mod.get_warmth(player)
 	if not player then
@@ -649,7 +704,7 @@ function mod.scroll_main(player, amount, max)
 	local scroll = mod.dat[player_name].scroll_main_to or 0
 	if scroll and scroll % 8 == 0 then
 		scroll = (scroll + amount)
-		if scroll > max or scroll < 0 then
+		if scroll > max - 1 or scroll < 0 then
 			scroll = 0
 		end
 		mod.dat[player_name].scroll_main_to = scroll
@@ -658,6 +713,34 @@ function mod.scroll_main(player, amount, max)
 end
 
 
+function mod.scroll_trash(player, amount, max)
+	if not (player and amount) then
+		return
+	end
+
+	local player_name = player:get_player_name()
+	if not player_name then
+		return
+	end
+
+	local dat = mod.dat[player_name] or {}
+	local pos = dat.trash_opened
+	if not pos then
+		return
+	end
+
+	local scroll = mod.dat[player_name].scroll_main_to or 0
+	if scroll and scroll % 8 == 0 then
+		scroll = (scroll + amount)
+		if scroll > max - 1 or scroll < 0 then
+			scroll = 0
+		end
+		mod.dat[player_name].scroll_main_to = scroll
+		minetest.show_formspec(player_name, mod_name..':trashcan', mod.get_trashcan_formspec(pos, player))
+	end
+end
+
+
 function mod.set_armor(player)
 	if not player then
 		return
@@ -788,6 +871,40 @@ function mod.switch_recipe(player, amount)
 end
 
 
+function mod.trashcan_can_dig(pos,player)
+	local meta = minetest.get_meta(pos);
+	local inv = meta:get_inventory()
+	return inv:is_empty('main')
+end
+
+
+function mod.trashcan_construct(pos)
+	local meta = minetest.get_meta(pos)
+	meta:set_string('infotext', 'Trashcan')
+	local inv = meta:get_inventory()
+	inv:set_size('main', 8*2)
+end
+
+
+function mod.trashcan_rightclick(pos, node, player, itemstack, pointed_thing)
+	local player_name
+	if player and player.get_player_name then
+		player_name = player:get_player_name()
+	end
+
+	if not player_name then
+		return
+	end
+
+	local dat = mod.dat[player_name]
+	if dat then
+		dat.trash_opened = pos
+	end
+
+	minetest.show_formspec(player_name, mod_name..':trashcan', mod.get_trashcan_formspec(pos, player))
+end
+
+
 -- Return true if there's an item at that body location.
 function mod.wearing_on_location(player, loc)
 	for k, v in worn_items(player) do
@@ -995,6 +1112,9 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		or fields['dinv_recipe_next']
 		or fields['dinv_empty_craft']
 		or fields['dinv_fill_craft']
+		or fields['dinv_trash_inventory_up']
+		or fields['dinv_trash_inventory_down']
+		or fields['dinv_trash_empty']
 	) then
 		return
 	end
@@ -1014,6 +1134,12 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		mod.empty_craft(player)
 	elseif fields and fields['dinv_fill_craft'] then
 		mod.recipe_fill(player)
+	elseif fields and fields['dinv_trash_inventory_up'] then
+		mod.scroll_trash(player, -16, main_inventory_size)
+	elseif fields and fields['dinv_trash_inventory_down'] then
+		mod.scroll_trash(player, 16, main_inventory_size)
+	elseif fields and fields['dinv_trash_empty'] then
+		mod.empty_trash(player)
 	end
 end)
 

recipes.lua

@@ -347,6 +347,35 @@ minetest.register_craft({
 })
 
 
+local trashcan_nodebox = {
+	type = 'fixed',
+	fixed = {
+		{ -0.35, -0.5, -0.35, 0.35, 0.5, 0.35 },
+	}
+}
+
+minetest.register_node(mod_name..':trashcan', {
+	description = 'Trash',
+	tiles = { 'default_wood.png', 'default_wood.png', 'default_wood.png^recycle.png', },
+	drawtype = 'nodebox',
+	node_box = trashcan_nodebox,
+	groups = { choppy = 1, oddly_breakable_by_hand = 1 },
+	sounds = default.node_sound_wood_defaults(),
+	on_rightclick = mod.trashcan_rightclick,
+	on_construct = mod.trashcan_construct,
+	can_dig = mod.trashcan_can_dig,
+})
+
+minetest.register_craft({
+	output = mod_name..':trashcan',
+	recipe = {
+		{'', 'group:leaves', ''},
+		{'', 'group:wood', ''},
+		{'', 'group:wood', ''},
+	},
+})
+
+
 
 
 minetest.register_chatcommand('killunk', {