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Allow Digiline Filter-Injector to match wear, metadata, and group

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You can now make reqyests like `{group="stick"}`, `"default:pick_wood 1
30000"`, and `"mod:block <count> <exact wear> <meta>"` to match
items precisely.

If you don't specify a field, that field won't be checked.  If you
specify a field in an invalid way, that rule will match nothing.

You can also specify wear as a table `wear={min, max}` to specify
a range `[min, max)` of acceptable wear values.  For example,
`{name="default:pick_wood", wear={0, 32768}}` matches only wooden
pickaxes that have at least half of their life left.

You can even do things like `{count=2, metadata="whatever")}`, which
will match any item at all, as long as its metadata matches, and will
retrieve at most two of those items.
This commit is contained in:
electrodude 2016-05-27 15:31:45 -04:00 committed by Auke Kok
parent 36d9e1fc08
commit a3d2e69a42
1 changed files with 47 additions and 13 deletions
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60
filter-injector.lua
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@ -59,7 +59,33 @@ local function grabAndFire(data,slotseq_mode,exmatch_mode,filtmeta,frominv,fromi
if filterfor == "" then
matches = stack:get_name() ~= ""
else
matches = stack:get_name() == filterfor.name
local fname = filterfor.name
local fgroup = filterfor.group
local fwear = filterfor.wear
local fmetadata = filterfor.metadata
matches = (not fname -- If there's a name filter,
or stack:get_name() == fname) -- it must match.
and (not fgroup -- If there's a group filter,
or (type(fgroup) == "string" -- it must be a string
and minetest.get_item_group( -- and it must match.
stack:get_name(), fgroup) ~= 0))
and (not fwear -- If there's a wear filter:
or (type(fwear) == "number" -- If it's a number,
and stack:get_wear() == fwear) -- it must match.
or (type(fwear) == "table" -- If it's a table:
and (not fwear[1] -- If there's a lower bound,
or (type(fwear[1]) == "number" -- it must be a number
and fwear[1] <= stack:get_wear())) -- and it must be <= the actual wear.
and (not fwear[2] -- If there's an upper bound
or (type(fwear[2]) == "number" -- it must be a number
and stack:get_wear() < fwear[2])))) -- and it must be > the actual wear.
-- If the wear filter is of any other type, fail.
--
and (not fmetadata -- If there's a matadata filter,
or (type(fmetadata) == "string" -- it must be a string
and stack:get_metadata() == fmetadata)) -- and it must match.
end
if matches then table.insert(sposes, spos) end
end
@ -156,6 +182,20 @@ local function punch_filter(data, filtpos, filtnode, msg)
local filters = {}
if data.digiline then
local function add_filter(name, group, count, wear, metadata)
table.insert(filters, {name = name, group = group, count = count, wear = wear, metadata = metadata})
end
local function add_itemstring_filter(filter)
local filterstack = ItemStack(filter)
local filtername = filterstack:get_name()
local filtercount = filterstack:get_count()
local filterwear = string.match(filter, "%S*:%S*%s%d%s(%d)") and filterstack:get_wear()
local filtermetadata = string.match(filter, "%S*:%S*%s%d%s%d(%s.*)") and filterstack:get_metadata()
add_filter(filtername, nil, filtercount, filterwear, filtermetadata)
end
local t_msg = type(msg)
if t_msg == "table" then
local slotseq = msg.slotseq
@ -207,28 +247,22 @@ local function punch_filter(data, filtpos, filtnode, msg)
return
end
if type(msg.name) == "string" then
table.insert(filters, {name = msg.name, count = tonumber(msg.count)})
if msg.name or msg.group or msg.count or msg.wear or msg.metadata then
add_filter(msg.name, msg.group, msg.count, msg.wear, msg.metadata)
else
for _, filter in ipairs(msg) do
local t_filter = type(filter)
if t_filter == "table" then
if type(filter.name) == "string" then
table.insert(filters, {name = filter.name, count = tonumber(filter.count)})
if filter.name or filter.group or filter.count or filter.wear or filter.metadata then
add_filter(filter.name, filter.group, filter.count, filter.wear, filter.metadata)
end
elseif t_filter == "string" then
local filterstack = ItemStack(filter)
local filtername = filterstack:get_name()
local filtercount = filterstack:get_count()
if filtername ~= "" then table.insert(filters, {name = filtername, count = filtercount}) end
add_itemstring_filter(filter)
end
end
end
elseif t_msg == "string" then
local filterstack = ItemStack(msg)
local filtername = filterstack:get_name()
local filtercount = filterstack:get_count()
if filtername ~= "" then table.insert(filters, {name = filtername, count = filtercount}) end
add_itemstring_filter(msg)
end
else
for _, filterstack in ipairs(filtinv:get_list("main")) do