Add exporter, add filters to importer, add screenshot

README.md

@@ -1,6 +1,9 @@
 # Storagetest
+![](screenshot.png)
 A solution to your hoarding addiction. In [Minetest](http://minetest.net).
 
+This mod adds devices into the game that allow you to build a mass storage system with ease.
+
 This mod is an attempt at re-creating [Refined Storage](https://github.com/raoulvdberge/refinedstorage) 
 in Minetest. I can't promise that this will ever be completed, but we'll see. Help is always welcome.
 

network.lua

@@ -447,9 +447,14 @@ function storagetest.network.take_item(network_id, stack)
 	local storage_nodes = storagetest.network.get_storage_devices(network_id)
 
 	for _,pos in pairs(storage_nodes) do
-		local success = storagetest.take_stack(pos, stack)
-		if success then
-			return success
+		local success, stacki = storagetest.take_stack(pos, stack)
+		if success and stacki then
+			if stacki:get_count() == stack:get_count() then
+				return success, stacki
+			else
+				stack:set_count(stack:get_count() - stacki:get_count())
+				return storagetest.network.take_item(network_id, stack)
+			end
 		end
 	end
 

nodes/bus.lua

@@ -1,5 +1,70 @@
 -- Storagetest cabling
 
+local function get_formspec(title, filter)
+	local fl = "Blacklist"
+	
+	if filter ~= nil then
+		if filter == 1 then
+			fl = "Whitelist"
+		end
+	else
+		fl = nil
+	end
+
+	if fl then
+		fl = "button[0,2.5;2,1;filter;"..fl.."]"
+	else
+		fl = ""
+	end
+
+	return "size[8,8.5]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"label[0,0;"..title.."]"..
+		"list[context;filter;0,1.5;8,1;]"..
+		"list[current_player;main;0,4.25;8,1;]"..
+		"list[current_player;main;0,5.5;8,3;8]"..
+		fl..
+		"listring[context;filter]"..
+		"listring[current_player;main]"..
+		default.get_hotbar_bg(0, 4.25)
+end
+
+local function inventory_ghost_put(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+
+	local inv = minetest.get_meta(pos):get_inventory()
+	stack:set_count(1)
+	inv:set_stack(listname, index, stack)
+	return 0
+end
+
+local function inventory_ghost_take(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+
+	local inv = minetest.get_meta(pos):get_inventory()
+	inv:set_stack(listname, index, ItemStack(nil))
+	return 0
+end
+
+local function flip_filter(pos, form, fields, player)
+	local node = minetest.get_node(pos)
+	local meta = minetest.get_meta(pos)
+	local ndef = minetest.registered_nodes[node.name].description
+	if fields["filter"] then
+		local f = meta:get_int("filter")
+		if f == 0 then f = 1 else f = 0 end
+		meta:set_int("filter", f)
+
+		meta:set_string("formspec", get_formspec(ndef, f))
+	end
+end
+
 minetest.register_node("storagetest:import_bus", {
 	description = "Import Bus",
 	tiles = {
@@ -16,11 +81,21 @@ minetest.register_node("storagetest:import_bus", {
 	},
 	on_construct = function (pos)
 		storagetest.network.clear_networks(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", get_formspec("Import Bus", 0))
+
+		local inv  = meta:get_inventory()
+		inv:set_size("filter", 8)
+
+		meta:set_int("filter", 0)
 	end,
 	on_destruct = storagetest.network.clear_networks,
+	on_receive_fields = flip_filter,
 	storagetest_run = function (pos, _, controller)
 		local network = minetest.hash_node_position(controller)
 		local node    = minetest.get_node(pos)
+		local meta    = minetest.get_meta(pos)
+		local inv     = meta:get_inventory()
 		local front   = storagetest.front(pos, node.param2)
 		
 		local front_node = minetest.get_node(front)
@@ -30,11 +105,22 @@ minetest.register_node("storagetest:import_bus", {
 			local front_def   = minetest.registered_nodes[front_node.name]
 			if front_inv:get_list("main") then
 				local list = front_inv:get_list("main")
+				local filter_type = meta:get_int("filter")
 				for index, stack in pairs(list) do
 					if not stack:is_empty() then
-						local allow_count = 0
+						local can_take = false
 						local copystack = front_inv:get_stack("main", index)
 						copystack:set_count(1)
+
+						if filter_type == 0 and inv:contains_item("filter", copystack) then
+							can_take = false
+						elseif filter_type == 1 and inv:contains_item("filter", copystack) then
+							can_take = true
+						else
+							can_take = true
+						end
+
+						if can_take then
 							local success, outst = storagetest.network.insert_item(network, copystack)
 							if success then
 								stack:set_count(stack:get_count() - 1)
@@ -43,10 +129,80 @@ minetest.register_node("storagetest:import_bus", {
 							end
 						end
 					end
+				end
 				front_inv:set_list("main", list)
 			end
 		end
+	end,
+	allow_metadata_inventory_take = inventory_ghost_take,
+	allow_metadata_inventory_put  = inventory_ghost_put
+})
+
+minetest.register_node("storagetest:export_bus", {
+	description = "Export Bus",
+	tiles = {
+		"storagetest_machine_block.png", "storagetest_machine_block.png", "storagetest_machine_block.png",
+		"storagetest_machine_block.png", "storagetest_machine_block.png", "storagetest_export.png",
+	},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {
+		storagetest_distributor = 1,
+		storagetest_device = 1,
+		cracky = 2,
+		oddly_breakable_by_hand = 2
+	},
+	on_construct = function (pos)
+		storagetest.network.clear_networks(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", get_formspec("Export Bus"))
+
+		local inv  = meta:get_inventory()
+		inv:set_size("filter", 8)
+	end,
+	on_destruct = storagetest.network.clear_networks,
+	storagetest_run = function (pos, _, controller)
+		local network = minetest.hash_node_position(controller)
+		local node    = minetest.get_node(pos)
+		local meta    = minetest.get_meta(pos)
+		local inv     = meta:get_inventory()
+		local front   = storagetest.front(pos, node.param2)
+		
+		local front_node = minetest.get_node(front)
+		if front_node.name ~= "air" then
+			local front_meta = minetest.get_meta(front)
+			local front_inv   = front_meta:get_inventory()
+			local front_def   = minetest.registered_nodes[front_node.name]
+			if front_inv:get_list("main") then
+				local items = storagetest.network.get_storage_inventories(network)
+				for index, stack in pairs(items) do
+					if not stack:is_empty() then
+						local can_take = false
+						stack:set_count(1)
+
+						if inv:contains_item("filter", stack) then
+							can_take = true
 						end
+
+						if not front_inv:room_for_item("main", stack) then
+							can_take = false
+						end
+
+						if can_take then
+							local success, gotten = storagetest.network.take_item(network, stack)
+							if success then
+								front_inv:add_item("main", gotten)
+								break -- Don't take more than one per cycle
+							end
+						end
+					end
+				end
+			end
+		end
+	end,
+	allow_metadata_inventory_take = inventory_ghost_take,
+	allow_metadata_inventory_put  = inventory_ghost_put
 })
 
 storagetest.devices["storagetest:import_bus"] = true
+storagetest.devices["storagetest:export_bus"] = true

nodes/disk_drive.lua

@@ -114,6 +114,7 @@ function storagetest.take_stack(pos, stack)
 	local invs = storagetest.get_all_inventories(pos)
 	if not invs then return {} end
 	local tabl = {}
+	local stack_ret
 	local success = false
 
 	for _,diskptr in pairs(invs) do
@@ -121,9 +122,15 @@ function storagetest.take_stack(pos, stack)
 		if invref then
 			local list = invref:get_list("main")
 			for i, stacki in pairs(list) do
-				if stacki:get_name() == stack:get_name() and stacki:get_count() == stack:get_count() and stacki:get_wear() == stack:get_wear() then
+				if stacki:get_name() == stack:get_name() and stacki:get_wear() == stack:get_wear() then
 					success = true
+					if stack:get_count() >= stacki:get_count() then
+						stack:set_count(stacki:get_count())
 						stacki:clear()
+					else
+						stacki:set_count(stacki:get_count() - stack:get_count())
+					end
+					stack_ret = stack
 					list[i] = stacki
 					break
 				end
@@ -132,7 +139,7 @@ function storagetest.take_stack(pos, stack)
 		end
 	end
 
-	return success
+	return success, stack_ret
 end
 
 function storagetest.get_all_inventories(pos)

nodes/grid.lua

@@ -54,9 +54,9 @@ function storagetest.grid.get_formspec(scroll_lvl, pages, craft_inv)
 	if craft_inv then
 		title = "Crafting Grid"
 		height = 3
-		craft = "list[current_player;craft;1.5,4;3,3;]"..
-				"image[4.5,5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
-				"list[current_player;craftpreview;5.5,5;1,1;]"
+		craft = "list[current_player;craft;1.5,3.8;3,3;]"..
+				"image[4.5,4.8;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
+				"list[current_player;craftpreview;5.5,4.8;1,1;]"
 	end
 
 	local scroll = ""