MTSR/xdecor-libre
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Check for nil in some fields

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jp 2015-12-22 23:45:37 +01:00
parent 35aa43c575
commit e2281dca39
1 changed files with 9 additions and 10 deletions
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19
worktable.lua
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@ -39,7 +39,6 @@ function worktable.craft_output_recipe(pos, start_i, pagenum, stackname, filter)
local inv = meta:get_inventory()
pagenum = math.floor(pagenum)
local inventory_size = #meta:to_table().inventory.inv_items_list
local recipe_num = meta:get_int("recipe_num")
local pagemax = math.floor((inventory_size - 1) / (8*4) + 1)
local craft, dye_color, flower_color = {}, "", ""
@ -60,6 +59,7 @@ function worktable.craft_output_recipe(pos, start_i, pagenum, stackname, filter)
"field[1.8,0.32;2.6,1;filter;;"..filter.."]"
if stackname then
local recipe_num = meta:get_int("recipe_num")
local stack_width = minetest.get_all_craft_recipes(stackname)[recipe_num].width
local stack_items = minetest.get_all_craft_recipes(stackname)[recipe_num].items
local stack_type = minetest.get_all_craft_recipes(stackname)[recipe_num].type
@ -244,15 +244,16 @@ function worktable.construct(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("forms", 4*3)
inv:set_size("input", 1)
inv:set_size("tool", 1)
inv:set_size("input", 1)
inv:set_size("hammer", 1)
inv:set_size("forms", 4*3)
inv:set_size("storage", 8*2)
inv:set_size("item_craft_input", 1)
meta:set_int("recipe_num", 1)
meta:set_string("infotext", "Work Table")
worktable.main(pos)
worktable.craftguide_update(pos, nil)
end
@ -263,13 +264,6 @@ function worktable.fields(pos, _, fields, sender)
local formspec = meta:to_table().fields.formspec
local filter = formspec:match("filter;;([%w_:]+)") or ""
local start_i = tonumber(formspec:match("inv_items_list;.*;(%d+)%]")) or 0
local inputstack = inv:get_stack("item_craft_input", 1):get_name()
local recipe_num = meta:get_int("recipe_num")
local inventory_size = 0
if meta:to_table().inventory.inv_items_list then
inventory_size = #meta:to_table().inventory.inv_items_list
else return end
if fields.storage then
worktable.storage(pos)
@ -283,9 +277,13 @@ function worktable.fields(pos, _, fields, sender)
end
worktable.crafting(pos)
elseif fields.craftguide then
if not meta:to_table().inventory.inv_items_list then return end
worktable.craft_output_recipe(pos, 0, 1, nil, "")
elseif fields.alternate then
inv:set_list("craft_output_recipe", {})
local recipe_num = meta:get_int("recipe_num")
local inputstack = inv:get_stack("item_craft_input", 1):get_name()
if recipe_num >= #minetest.get_all_craft_recipes(inputstack) then
meta:set_int("recipe_num", 1)
else
@ -303,6 +301,7 @@ function worktable.fields(pos, _, fields, sender)
worktable.craftguide_update(pos, nil)
worktable.craft_output_recipe(pos, 0, 1, nil, "")
elseif fields.prev or fields.next then
local inventory_size = #meta:to_table().inventory.inv_items_list
if fields.prev or start_i >= inventory_size then
start_i = start_i - 8*4
elseif fields.next or start_i < 0 then