copy all standard Dreambuilder mods in from the old subgame

(exactly as last supplied there, updates to these mods will follow later)

1 files changed, 368 insertions, 0 deletions

diff --git a/pipeworks/autocrafter.lua b/pipeworks/autocrafter.lua
new file mode 100644
index 0000000..6d00a7c
--- /dev/null
+++ b/pipeworks/autocrafter.lua
@@ -0,0 +1,368 @@
+local autocrafterCache = {}  -- caches some recipe data to avoid to call the slow function minetest.get_craft_result() every second
+
+local craft_time = 1
+
+local function count_index(invlist)
+	local index = {}
+	for _, stack in pairs(invlist) do
+		if not stack:is_empty() then
+			local stack_name = stack:get_name()
+			index[stack_name] = (index[stack_name] or 0) + stack:get_count()
+		end
+	end
+	return index
+end
+
+local function get_item_info(stack)
+	local name = stack:get_name()
+	local def = minetest.registered_items[name]
+	local description = def and def.description or "Unknown item"
+	return description, name
+end
+
+local function get_craft(pos, inventory, hash)
+	local hash = hash or minetest.hash_node_position(pos)
+	local craft = autocrafterCache[hash]
+	if not craft then
+		local recipe = inventory:get_list("recipe")
+		local output, decremented_input = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
+		craft = {recipe = recipe, consumption=count_index(recipe), output = output, decremented_input = decremented_input}
+		autocrafterCache[hash] = craft
+	end
+	return craft
+end
+
+local function autocraft(inventory, craft)
+	if not craft then return false end
+	local output_item = craft.output.item
+
+	-- check if we have enough room in dst
+	if not inventory:room_for_item("dst", output_item) then	return false end
+	local consumption = craft.consumption
+	local inv_index = count_index(inventory:get_list("src"))
+	-- check if we have enough material available
+	for itemname, number in pairs(consumption) do
+		if (not inv_index[itemname]) or inv_index[itemname] < number then return false end
+	end
+	-- consume material
+	for itemname, number in pairs(consumption) do
+		for i = 1, number do -- We have to do that since remove_item does not work if count > stack_max
+			inventory:remove_item("src", ItemStack(itemname))
+		end
+	end
+
+	-- craft the result into the dst inventory and add any "replacements" as well
+	inventory:add_item("dst", output_item)
+	for i = 1, 9 do
+		inventory:add_item("dst", craft.decremented_input.items[i])
+	end
+	return true
+end
+
+-- returns false to stop the timer, true to continue running
+-- is started only from start_autocrafter(pos) after sanity checks and cached recipe
+local function run_autocrafter(pos, elapsed)
+	local meta = minetest.get_meta(pos)
+	local inventory = meta:get_inventory()
+	local craft = get_craft(pos, inventory)
+	local output_item = craft.output.item
+	-- only use crafts that have an actual result
+	if output_item:is_empty() then
+		meta:set_string("infotext", "unconfigured Autocrafter: unknown recipe")
+		return false
+	end
+
+	for step = 1, math.floor(elapsed/craft_time) do
+		local continue = autocraft(inventory, craft)
+		if not continue then return false end
+	end
+	return true
+end
+
+local function start_crafter(pos)
+	local meta = minetest.get_meta(pos)
+	if meta:get_int("enabled") == 1 then
+		local timer = minetest.get_node_timer(pos)
+		if not timer:is_started() then
+			timer:start(craft_time)
+		end
+	end
+end
+
+local function after_inventory_change(pos)
+	start_crafter(pos)
+end
+
+-- note, that this function assumes allready being updated to virtual items
+-- and doesn't handle recipes with stacksizes > 1
+local function after_recipe_change(pos, inventory)
+	local meta = minetest.get_meta(pos)
+	-- if we emptied the grid, there's no point in keeping it running or cached
+	if inventory:is_empty("recipe") then
+		minetest.get_node_timer(pos):stop()
+		autocrafterCache[minetest.hash_node_position(pos)] = nil
+		meta:set_string("infotext", "unconfigured Autocrafter")
+		return
+	end
+	local recipe_changed = false
+	local recipe = inventory:get_list("recipe")
+
+	local hash = minetest.hash_node_position(pos)
+	local craft = autocrafterCache[hash]
+
+	if craft then
+		-- check if it changed
+		local cached_recipe = craft.recipe
+		for i = 1, 9 do
+			if recipe[i]:get_name() ~= cached_recipe[i]:get_name() then
+				autocrafterCache[hash] = nil -- invalidate recipe
+				craft = nil
+				break
+			end
+		end
+	end
+
+	craft = craft or get_craft(pos, inventory, hash)
+	local output_item = craft.output.item
+	local description, name = get_item_info(output_item)
+	meta:set_string("infotext", string.format("'%s' Autocrafter (%s)", description, name))
+	inventory:set_stack("output", 1, output_item)
+
+	after_inventory_change(pos)
+end
+
+-- clean out unknown items and groups, which would be handled like unknown items in the crafting grid
+-- if minetest supports query by group one day, this might replace them
+-- with a canonical version instead
+local function normalize(item_list)
+	for i = 1, #item_list do
+		local name = item_list[i]
+		if not minetest.registered_items[name] then
+			item_list[i] = ""
+		end
+	end
+	return item_list
+end
+
+local function on_output_change(pos, inventory, stack)
+	if not stack then
+		inventory:set_list("output", {})
+		inventory:set_list("recipe", {})
+	else
+		local input = minetest.get_craft_recipe(stack:get_name())
+		if not input.items or input.type ~= "normal" then return end
+		local items, width = normalize(input.items), input.width
+		local item_idx, width_idx = 1, 1
+		for i = 1, 9 do
+			if width_idx <= width then
+				inventory:set_stack("recipe", i, items[item_idx])
+				item_idx = item_idx + 1
+			else
+				inventory:set_stack("recipe", i, ItemStack(""))
+			end
+			width_idx = (width_idx < 3) and (width_idx + 1) or 1
+		end
+		-- we'll set the output slot in after_recipe_change to the actual result of the new recipe
+	end
+	after_recipe_change(pos, inventory)
+end
+
+-- returns false if we shouldn't bother attempting to start the timer again after this
+local function update_meta(meta, enabled)
+	local state = enabled and "on" or "off"
+	meta:set_int("enabled", enabled and 1 or 0)
+	meta:set_string("formspec",
+			"size[8,11]"..
+			"list[context;recipe;0,0;3,3;]"..
+			"image[3,1;1,1;gui_hb_bg.png^[colorize:#141318:255]"..
+			"list[context;output;3,1;1,1;]"..
+			"image_button[3,2;1,1;pipeworks_button_" .. state .. ".png;" .. state .. ";;;false;pipeworks_button_interm.png]" ..
+			"list[context;src;0,3.5;8,3;]"..
+			"list[context;dst;4,0;4,3;]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
+			default.get_hotbar_bg(0,7) ..
+			"list[current_player;main;0,7;8,4;]")
+
+	-- toggling the button doesn't quite call for running a recipe change check
+	-- so instead we run a minimal version for infotext setting only
+	-- this might be more written code, but actually executes less
+	local output = meta:get_inventory():get_stack("output", 1)
+	if output:is_empty() then -- doesn't matter if paused or not
+		meta:set_string("infotext", "unconfigured Autocrafter")
+		return false
+	end
+
+	local description, name = get_item_info(output)
+	local infotext = enabled and string.format("'%s' Autocrafter (%s)", description, name)
+				or string.format("paused '%s' Autocrafter", description)
+
+	meta:set_string("infotext", infotext)
+	return enabled
+end
+
+-- 1st version of the autocrafter had actual items in the crafting grid
+-- the 2nd replaced these with virtual items, dropped the content on update and set "virtual_items" to string "1"
+-- the third added an output inventory, changed the formspec and added a button for enabling/disabling
+-- so we work out way backwards on this history and update each single case to the newest version
+local function upgrade_autocrafter(pos, meta)
+	local meta = meta or minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+
+	if inv:get_size("output") == 0 then -- we are version 2 or 1
+		inv:set_size("output", 1)
+		-- migrate the old autocrafters into an "enabled" state
+		update_meta(meta, true)
+
+		if meta:get_string("virtual_items") == "1" then -- we are version 2
+			-- we allready dropped stuff, so lets remove the metadatasetting (we are not being called again for this node)
+			meta:set_string("virtual_items", "")
+		else -- we are version 1
+			local recipe = inv:get_list("recipe")
+			if not recipe then return end
+			for idx, stack in ipairs(recipe) do
+				if not stack:is_empty() then
+					minetest.item_drop(stack, nil, pos)
+					stack:set_count(1)
+					stack:set_wear(0)
+					inv:set_stack("recipe", idx, stack)
+				end
+			end
+		end
+
+		-- update the recipe, cache, and start the crafter
+		autocrafterCache[minetest.hash_node_position(pos)] = nil
+		after_recipe_change(pos, inv)
+	end
+end
+
+minetest.register_node("pipeworks:autocrafter", {
+	description = "Autocrafter",
+	drawtype = "normal",
+	tiles = {"pipeworks_autocrafter.png"},
+	groups = {snappy = 3, tubedevice = 1, tubedevice_receiver = 1},
+	tube = {insert_object = function(pos, node, stack, direction)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+			local added = inv:add_item("src", stack)
+			after_inventory_change(pos)
+			return added
+		end,
+		can_insert = function(pos, node, stack, direction)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+			return inv:room_for_item("src", stack)
+		end,
+		input_inventory = "dst",
+		connect_sides = {left = 1, right = 1, front = 1, back = 1, top = 1, bottom = 1}},
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		inv:set_size("src", 3*8)
+		inv:set_size("recipe", 3*3)
+		inv:set_size("dst", 4*3)
+		inv:set_size("output", 1)
+		update_meta(meta, false)
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		if not pipeworks.may_configure(pos, sender) then return end
+		local meta = minetest.get_meta(pos)
+		if fields.on then
+			update_meta(meta, false)
+			minetest.get_node_timer(pos):stop()
+		elseif fields.off then
+			if update_meta(meta, true) then
+				start_crafter(pos)
+			end
+		end
+	end,
+	can_dig = function(pos, player)
+		upgrade_autocrafter(pos)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		return (inv:is_empty("src") and inv:is_empty("dst"))
+	end,
+	after_place_node = pipeworks.scan_for_tube_objects,
+	after_dig_node = function(pos)
+		pipeworks.scan_for_tube_objects(pos)
+	end,
+	on_destruct = function(pos)
+		autocrafterCache[minetest.hash_node_position(pos)] = nil
+	end,
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		if not pipeworks.may_configure(pos, player) then return 0 end
+		upgrade_autocrafter(pos)
+		local inv = minetest.get_meta(pos):get_inventory()
+		if listname == "recipe" then
+			stack:set_count(1)
+			inv:set_stack(listname, index, stack)
+			after_recipe_change(pos, inv)
+			return 0
+		elseif listname == "output" then
+			on_output_change(pos, inv, stack)
+			return 0
+		end
+		after_inventory_change(pos)
+		return stack:get_count()
+	end,
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+		if not pipeworks.may_configure(pos, player) then
+			minetest.log("action", string.format("%s attempted to take from autocrafter at %s", player:get_player_name(), minetest.pos_to_string(pos)))
+			return 0
+		end
+		upgrade_autocrafter(pos)
+		local inv = minetest.get_meta(pos):get_inventory()
+		if listname == "recipe" then
+			inv:set_stack(listname, index, ItemStack(""))
+			after_recipe_change(pos, inv)
+			return 0
+		elseif listname == "output" then
+			on_output_change(pos, inv, nil)
+			return 0
+		end
+		after_inventory_change(pos)
+		return stack:get_count()
+	end,
+	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		if not pipeworks.may_configure(pos, player) then return 0 end
+		upgrade_autocrafter(pos)
+		local inv = minetest.get_meta(pos):get_inventory()
+		local stack = inv:get_stack(from_list, from_index)
+
+		if to_list == "output" then
+			on_output_change(pos, inv, stack)
+			return 0
+		elseif from_list == "output" then
+			on_output_change(pos, inv, nil)
+			if to_list ~= "recipe" then
+				return 0
+			end -- else fall through to recipe list handling
+		end
+
+		if from_list == "recipe" or to_list == "recipe" then
+			if from_list == "recipe" then
+				inv:set_stack(from_list, from_index, ItemStack(""))
+			end
+			if to_list == "recipe" then
+				stack:set_count(1)
+				inv:set_stack(to_list, to_index, stack)
+			end
+			after_recipe_change(pos, inv)
+			return 0
+		end
+
+		after_inventory_change(pos)
+		return count
+	end,
+	on_timer = run_autocrafter
+})
+
+minetest.register_craft( {
+	output = "pipeworks:autocrafter 2",
+	recipe = {
+	        { "default:steel_ingot", "default:mese_crystal", "default:steel_ingot" },
+	        { "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting" },
+	        { "default:steel_ingot", "default:mese_crystal", "default:steel_ingot" }
+	},
+})