Dwarf Fortress Bug Tracker - Dwarf Fortress
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0000347Dwarf FortressDwarf Mode -- Jobs, Itemspublic2010-04-03 20:202014-07-30 11:41
Toady One 
normalminorhave not tried
0000347: Rendering a stack of fat yields individual tallow items rather than a stack
Not sure if this is by design, but fat and tallow no longer stack, which really tends to clutter up the place and make tons of small tallow-based meals.
No tags attached.
has duplicate 0002325resolved Footkerchief 'Render Fat' reaction takes whole stack of fat 
related to 0000262resolved Toady One Render Fat job not in menu at kitchen, works in manager 
related to 0000808resolved Toady One Processing Raw Turtles only makes one shell per stack, and other stack size issues 
Issue History
2010-04-03 20:20d4ftfadNew Issue
2010-04-03 20:28FootkerchiefNote Added: 0000769
2010-04-05 14:30d4ftfadNote Added: 0001210
2010-04-13 09:52kaefermelderNote Added: 0003279
2010-04-16 10:08FootkerchiefSummaryFat/tallow no longer stack. => Rendering fat yields individual tallow items rather than stacks
2010-04-17 17:03king doomNote Added: 0004008
2010-05-31 18:12FootkerchiefRelationship addedrelated to 0002117
2010-06-04 18:38FootkerchiefRelationship addedrelated to 0002161
2010-06-10 19:34FootkerchiefRelationship addedrelated to 0000262
2010-06-14 08:40FootkerchiefSummaryRendering fat yields individual tallow items rather than stacks => Rendering fat uses full stack of fat and yields one tallow item at a time
2010-06-14 08:40FootkerchiefRelationship addedhas duplicate 0002325
2010-06-22 09:01FootkerchiefRelationship replacedparent of 0002117
2010-06-22 09:01FootkerchiefRelationship replacedparent of 0002161
2010-06-22 09:02FootkerchiefRelationship addedparent of 0002011
2010-06-22 09:02FootkerchiefRelationship addedparent of 0000808
2010-06-22 09:03FootkerchiefRelationship replacedrelated to 0000808
2010-06-22 09:03FootkerchiefRelationship deletedparent of 0002117
2010-06-22 09:03FootkerchiefRelationship deletedparent of 0002161
2010-06-22 09:04FootkerchiefRelationship deletedparent of 0002011
2010-08-21 21:24QuietustNote Added: 0011990
2011-02-16 22:40DwarfuTag Attached: Fixed in 0.31.19?
2011-02-16 22:41DwarfuTag Detached: Fixed in 0.31.19?
2011-04-13 19:43QuietustNote Added: 0017350
2011-04-13 20:26FootkerchiefSummaryRendering fat uses full stack of fat and yields one tallow item at a time => Rendering a stack of fat yields individual tallow items rather than a stack
2011-04-13 21:26FootkerchiefNote Added: 0017353
2014-07-30 11:41Toady OneStatusnew => resolved
2014-07-30 11:41Toady OneFixed in Version => Next Version
2014-07-30 11:41Toady OneResolutionopen => fixed
2014-07-30 11:41Toady OneAssigned To => Toady One

2010-04-03 20:28   
The tallow part is accurate. I haven't seen it with fat, though -- butchering always produces a single stack. The fat stack gets rendered one piece at a time, so maybe that's why you were seeing partial fat stacks?
2010-04-05 14:30   
Yes, that's why the fat stacks were partial.
2010-04-13 09:52   
have that too. Stacks of,say, 19 fat are turned into 19 stacks of 1 tallow. Not necessarily a bug, but a feature that causes more hauling jobs. I also like to cycle between cooking and rendering in the same kitchen and now i know why that was so ineffective - the stack of fat is hauled away with only 1 unit processed into tallow for every task. since 10 of any tallow fit in one barrel, the clutter is not that big though.
king doom   
2010-04-17 17:03   
Even if it is intentional, it causes problems. I've had my food workshop I set up specially for fat/tallow get clogged up with a few fat barrels in a hanfdul of squares and masses of 1 bear tallow in every other tile in the stockpile, and for some reason the dwarves will be incapable of moving barrels to the stockpile to put all the single globs of tallow taking up all the spaces in the stockpile in, while my butchers and kitchens fill up with fat and tallow.

Yes I have extra empty barrels, no they aren't forbidden, there are no burrows or locked doors or anything stopping them from moving about.
2010-08-21 21:24   
This is incredibly annoying when you manage to get a really huge stack of fat - I butchered a forgotten beast and got a stack of 87 fat, which is enough to clutter the workshop all the way to ☼CLT☼ and make the rendering task take 10 times as long, and it still processes only a single unit at a time. At this rate, it's going to take 10 years to process all of this fat, and I'll be spammed with job cancellations the whole time due to 0002161.

There's also the issue that the individual stacks of tallow are nearly useless for making prepared meals, so tallow is really only useful for soap now.
2011-04-13 19:43   
This no longer appears to be an issue in 0.31.25 - a single job will now render the entire stack of fat at once, but it will still produce a bunch of individual (unstacked) units of tallow.
2011-04-13 21:26   
The individual tallow items warrant keeping this open, I think.