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Shop: Avoid unhandled leftovers from ItemStack:add_item 

Pre-fix if https://github.com/minetest/minetest/pull/5774 gets merged somewhen
Thanks to @nybble41 for providing this code
This commit is contained in:
SmallJoker 2017-06-03 19:35:18 +02:00
parent 3814d994db
commit bf68097a75
1 changed files with 16 additions and 10 deletions
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26
shop.lua
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@ -29,29 +29,35 @@ end
-- Tool wear aware replacement for remove_item.
local function list_remove_item(inv, listname, stack)
local count = stack:get_count()
if count == 0 then
local wanted = stack:get_count()
if wanted == 0 then
return stack
end
local removed_stack = ItemStack(nil)
local list = inv:get_list(listname)
local name = stack:get_name()
local wear = stack:get_wear()
local remaining = wanted
local removed_wear = 0
for index, list_stack in pairs(list) do
if list_stack:get_name() == name and
list_stack:get_wear() <= wear then
if list_stack:get_count() >= count then
removed_stack:add_item(list_stack:take_item(count))
inv:set_stack(listname, index, list_stack)
local taken_stack = list_stack:take_item(remaining)
inv:set_stack(listname, index, list_stack)
removed_wear = math.max(removed_wear, taken_stack:get_wear())
remaining = remaining - taken_stack:get_count()
if remaining == 0 then
break
else
removed_stack:add_item(list_stack)
inv:set_stack(listname, index, ItemStack(nil))
count = count - list_stack:get_count()
end
end
end
-- Todo: Also remove kebab
local removed_stack = ItemStack(name)
removed_stack:set_count(wanted - remaining)
removed_stack:set_wear(removed_wear)
return removed_stack
end