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improve upgrade of autocrafter from both former versions

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This commit is contained in:
Tim 2015-01-28 18:55:59 +01:00
parent d75e1a214a
commit 7dca3393be
1 changed files with 33 additions and 20 deletions
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53
autocrafter.lua
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@ -136,21 +136,6 @@ local function on_output_change(pos, inventory, stack)
after_recipe_change(pos, inventory)
end
local function update_autocrafter(pos)
local meta = minetest.get_meta(pos)
if meta:get_string("virtual_items") == "" then
meta:set_string("virtual_items", "1")
local inv = meta:get_inventory()
for idx, stack in ipairs(inv:get_list("recipe")) do
minetest.item_drop(stack, "", pos)
stack:set_count(1)
stack:set_wear(0)
inv:set_stack("recipe", idx, stack)
end
after_recipe_change(pos, inv)
end
end
local function set_formspec(meta, enabled)
local state = enabled and "on" or "off"
meta:set_string("formspec",
@ -168,6 +153,38 @@ local function set_formspec(meta, enabled)
"list[current_player;main;0,7;8,4;]")
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 update_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
meta:set_int("enabled", 1)
set_formspec(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", "")
return
else -- we are version 1
for idx, stack in ipairs(inv:get_list("recipe")) do
minetest.item_drop(stack, "", pos)
stack:set_count(1)
stack:set_wear(0)
inv:set_stack("recipe", idx, stack)
end
end
-- update the recipe, cache, and start the crafter
after_recipe_change(pos, inv)
end
end
minetest.register_node("pipeworks:autocrafter", {
description = "Autocrafter",
drawtype = "normal",
@ -189,9 +206,8 @@ minetest.register_node("pipeworks:autocrafter", {
connect_sides = {left = 1, right = 1, front = 1, back = 1, top = 1, bottom = 1}},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
set_formspec(meta)
set_formspec(meta, false)
meta:set_string("infotext", "unconfigured Autocrafter")
meta:set_string("virtual_items", "1")
local inv = meta:get_inventory()
inv:set_size("src", 3*8)
inv:set_size("recipe", 3*3)
@ -209,11 +225,8 @@ minetest.register_node("pipeworks:autocrafter", {
meta:set_int("enabled", 1)
set_formspec(meta, true)
start_crafter(pos)
else -- update formspec on esc for now
set_formspec(meta, meta:get_int("enabled") == 1)
end
end,
on_punch = update_autocrafter,
can_dig = function(pos, player)
update_autocrafter(pos)
local meta = minetest.get_meta(pos)