View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0000739 | Dwarf Fortress | Creatures | public | 2010-04-07 14:19 | 2016-05-16 13:51 |
| Reporter | GauHelldragon | Assigned To | Toady One | ||
| Priority | low | Severity | minor | Reproducibility | always |
| Status | resolved | Resolution | fixed | ||
| Fixed in Version | 0.43.03 | ||||
| Summary | 0000739: All animals are described as "Gigantic" | ||||
| Description | Every single animal, tamed or wild in my fort is "gigantic" or "enormous" in their description. The humanoid creatures seem to be normal though. Does this happen to anyone else? | ||||
| Tags | animals, description | ||||
| related to | 0001047 | resolved | Butchered cats only produce skulls, possibly related to aging while caged | |
| has duplicate | 0001875 | closed | body size appearance modifiers are dwarf-centric | |
| has duplicate | 0000585 | resolved | Average is not always average. | |
| related to | 0004172 | resolved | Turkeys yield no meat | |
| related to | 0008274 | resolved | Young animals are much larger than they should be |
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I thought it is intended... viewing the world from the perspective of a dwarf. :) |
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Creatures have a size variable in their raws. Depending on the number they get, they can either be described as gigantic, enormous, regular sized and other such adverbs. Can we get a confirmation that it is glitching ALL creatures to be described as larger than normal, or are you just getting a lucky streak? |
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Qloos: as he said, it doesn't seem to affect humanoid creatures. Additionally, dogs are smaller than dwarves, so it can't be a perspective thing. I've personally observed this and a bunch of others have corroborated it. |
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I just did a study of 400 male dogs in the arena: 69 of them lacked any descriptors referring to size, fat or muscles. 97 of them were described as being 'Enormous' in some fashion. I didn't gather data on other descriptors, but I did notice they had a significantly higher occurrence of 'skinny' and 'weak' descriptors than the next group. 228 of them were described as being 'gigantic' in some form. They were generally fatter and stronger than the 'enormous' dogs, though there were some who were 'incredibly skinny' or 'very weak' 6 of them were Huge, muscular and fat. It is with great regret I must confess to having put them all on the same team. Thus I could not unpause it at the end of the test and watch them all rip each other to shreds like ravenous, feral beasts. |
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I've noticed this with other animals on embark like when I embarked with a herd of cows, just about every one of the cows were said to be gigantic or enormous. Same for various animals in the arena, alot of the time they were either gigantic or enormous. |
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I have bought or bred a number of "normal" animals as well as the huge, enormous, and gigantic ones. They have just the color descriptors. I slaughter those. I haven't seen any smaller-than-normal horses, cows, donkeys, mules, or warthogs, but then again who would want to trade in those? |
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Confirmed GRead's results in 0.34.11 arena |
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Can confirm that this still exists, although you see "enormous" from time to time. |
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I was fiddling around with DFHack and I think I found some broken math. There was this gigantic-as-usual horse my expedition brought along, right? I poked at it with gm-editor and in the "appearance" table there is a "body_modifiers" vector with three values, each somewhere very close to 100. I think I'm right to assume that these are the height/broadness/length modifiers. Here's what he displayed with certain values: 100-100-1: "He is gigantic." 100-1-1: "He is average in size." 999-999-0: "He is tiny." 20-1-1: "He is tiny." 20-20-1: "He is gigantic." 20-5-1: "He is average in size." 5-5-3: "He is small." I dunno, it seems to me like we could really use some floating points in here. |
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If you multiply those three numbers it makes quite sense: from 0 to at least 20: tiny at 75: small at 100: average in size at least from 400 to at least 10000: gigantic With few more tries finding out precise intervals should not be that hard. This product is then probably once more multiplied by unit type average size to get its actual size (http://dwarffortresswiki.org/index.php/DF2014:List_of_creatures_by_adult_size). Though that belongs rather into some !!Science!! forum post. |
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Oh, the percentage intervals themselves are pretty clear-cut. >150: gigantic >125: very large >110: large 91-109: average size <90: small <75: very small <50: tiny I was mainly just illustrating how the multiplier gets tanked if you slip a zero in there. |
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Repeatedly mangling the raws and checking what happened in the arena, it seems the problem only occurs when the creature size is affected both by LENGTH and HEIGHT appearance modifiers at the same time. BROADNESS plays nice with either, but put those two together and the counter goes nuts. There's a separate "size_modifier" value in the table that looks like it's a straight average of the appearance modifiers. That one has been perfectly normal throughout all this, so I'm guessing it's just a description glitch. |
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That math does look broken to me, and might explain the almost always gigantic animals. The code is apparently using the formula Volume = (Average Volume)*(Relative Height)*(Relative Width)*(Relative Length) to calculate creature size. Considering that (Average Volume) = (Average Height)*(Average Width)*(Average Length) and that (Relative {dimension}) = (Absolute {dimension}) / (Average {dimension}), this is entirely correct. If the creature is a box, that is. If it is not a box, then its volume will in general not be equal to the product of its dimensions, but will still be directly proportional to each dimension. The problem comes from representing and multiplying creature dimensions as integer percentages. A creature whose relative dimensions are all unity (1.0 = 100%) should obviously be of exactly average size. However, when that creature's dimensions are represented as 100-100-100, their product becomes 100^3 = 10^6 = 1000000. Even though the product is treated as a percentage and divided by 100 to get the final multiplier for the average creature size, the resulting creature is still ten thousand times larger than the average one. Quite gigantic indeed. Edit: My own math was a little broken. Fixed now, I think. |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2010-04-07 14:19 | GauHelldragon | New Issue | |
| 2010-04-07 14:19 | GauHelldragon | Tag Attached: animals | |
| 2010-04-07 14:20 | GauHelldragon | Tag Attached: description | |
| 2010-04-07 14:25 | Jiri Petru | Note Added: 0001854 | |
| 2010-04-07 14:29 | Qloos | Note Added: 0001855 | |
| 2010-04-07 15:29 |
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Note Added: 0001865 | |
| 2010-04-07 16:06 | GRead | Note Added: 0001877 | |
| 2010-04-20 10:28 | smjjames | Note Added: 0004351 | |
| 2010-04-20 12:04 | slink | Note Added: 0004367 | |
| 2010-05-14 14:09 |
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Relationship added | has duplicate 0001875 |
| 2010-06-30 07:51 |
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Relationship added | has duplicate 0000585 |
| 2010-06-30 07:51 |
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Category | Animal Populations => Creatures |
| 2010-10-04 08:58 |
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Relationship added | related to 0001047 |
| 2011-03-09 02:43 |
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Relationship added | related to 0004172 |
| 2014-01-27 17:39 |
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Assigned To | => user6 |
| 2014-01-27 17:39 |
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Status | new => acknowledged |
| 2014-01-27 17:39 |
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Note Added: 0024427 | |
| 2014-08-19 15:28 | Talvieno | Note Added: 0029332 | |
| 2014-08-19 16:50 |
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Status | acknowledged => confirmed |
| 2014-09-11 11:29 |
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Relationship added | related to 0008274 |
| 2015-02-03 10:18 | AVK | Note Added: 0032133 | |
| 2015-02-03 11:01 |
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Note Added: 0032134 | |
| 2015-02-03 11:35 | AVK | Note Added: 0032135 | |
| 2015-02-03 11:35 | AVK | Note Edited: 0032135 | |
| 2015-02-03 11:51 | AVK | Note Added: 0032136 | |
| 2015-02-03 12:11 | Mopsy | Note Added: 0032137 | |
| 2015-02-03 12:12 | Mopsy | Note Edited: 0032137 | |
| 2015-02-03 12:22 | Mopsy | Note Edited: 0032137 | |
| 2015-02-03 12:24 | Mopsy | Note Edited: 0032137 | |
| 2015-02-04 04:57 | Mopsy | Note Edited: 0032137 | |
| 2016-05-16 13:51 | Toady One | Status | confirmed => resolved |
| 2016-05-16 13:51 | Toady One | Fixed in Version | => Next Version |
| 2016-05-16 13:51 | Toady One | Resolution | open => fixed |
| 2016-05-16 13:51 | Toady One | Assigned To | user6 => Toady One |
