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Editing 40d:Noise

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Certain jobs generate '''noise''' which disturbs nearby sleeping dwarves.  Depending on a job's noise level and proximity, your dwarves could sleep "uneasily due to noise", "very uneasily due to noise", or be woken up by noise.  These events will produce unhappy [[Thought|thoughts]] in varying degrees.
{{Quality|Exceptional}}
 
Certain jobs generate '''noise''' which disturbs nearby sleeping dwarves.  Depending on a job's noise level and proximity, your dwarves could sleep "uneasily due to noise", "very uneasily due to noise", or be woken up by noise.  These events will produce unhappy [[thought]]s in varying degrees.
 
  
 
Neither walls nor doors will insulate dwarves from noise. Distance and how loud a job is are the only factors determining whether a dwarf's sleep will be disturbed.   
 
Neither walls nor doors will insulate dwarves from noise. Distance and how loud a job is are the only factors determining whether a dwarf's sleep will be disturbed.   
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Dwarves walking through a sleeping dwarf's room (even over his head) will not cause noise, which is important for [[bedroom design]].
 
Dwarves walking through a sleeping dwarf's room (even over his head) will not cause noise, which is important for [[bedroom design]].
  
Contrary to common belief based on [[23a:Noise|earlier versions]], workshops do ''not'' currently produce any noise.
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==Noisiness of various jobs==
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* Jobs performed at [[workshops]] cause noise within 4 tiles.  ''(see below for visualization)''
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* [[Mining]] and [[wood cutting]] causes noise within 8 tiles.
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* Placing and removing [[building]]s causes noise within 16 tiles.  For example, placing a chair will cause a 33x33x33 cube (or 35937 tiles) of noise centered on the chair. Hopefully this will change in future versions.
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* Construction causes noise within 16 tiles, and is known to wake dwarves up.
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* Fighting has also been observed to wake dwarves up, which suggests that it causes noise within 16 tiles as well.  Strangely, [[sparring]] does not cause any noise at all -- which is just as well, considering dwarves will only spar in a [[barracks]], which is essentially a communal bedroom.
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* Eating is believed to cause noise within 1 or 2 tiles; probably 1.  It is unknown whether the noise radiates from the eating dwarf or his food.
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* Firing [[siege engine]]s also produces noise within 16 tiles.
  
Due to a bug, dwarves only remember the last noise that they heard, so a sleeping dwarf exposed to a very loud noise followed by a quiet noise will only complain about having slept "uneasily due to noise".
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* Moving stuff in and out of stockpiles has been observed ''not'' to cause noise.
  
==Noisiness of various jobs==
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* It has been claimed that most other jobs cause noise within 2-4 tiles.  More research is necessary to determine the specifics.
Unlike in the past, only 5 jobs are known to cause noise:
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* Digging - 8 tiles
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* An operating [[water wheel]] causes noise within at least 3 tiles.
* Wood cutting - 8 tiles
 
* Engraving - 4 tiles
 
* Fortification carving - 4 tiles
 
* Removing [[construction]]s - 8 tiles
 
  
====Visualization====
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==Visualization==
  
Noise radiates across [[z-level]]s in the shape of a cube, in all 6 directions (north/south, east/west, ''and'' up/down), so noise that travels 4 tiles will generate noise in a 9x9 pattern on 9 successive floors.  The noise radiates from the center of the noise-producing apparatus and reduces in intensity as it does so (within 25% of the range will awaken the dwarf, within 50% will be "very uneasily", and the rest will just be "uneasily").
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Noise radiates in the shape of a cube, so noise that travels 4 tiles will generate noise in a 9x9 pattern on 9 successive floors.  The noise radiates from the center of the noise-producing apparatus.
  
 
   Level 0      Level ± 1    Level ± 2    Level ± 3    Level ± 4    Level ± 5
 
   Level 0      Level ± 1    Level ± 2    Level ± 3    Level ± 4    Level ± 5
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  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
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  .***WWW***.  .*********.  .*********.  .*********.  .*********.  ...........
  .****'''N'''****.  .*********.  .*********.  .*********.  .*********.  ...........
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  .***WWW***.  .*********.  .*********.  .*********.  .*********.  ...........
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
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  .***WWW***.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
 
  .*********.  .*********.  .*********.  .*********.  .*********.  ...........
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  ...........  ...........  ...........  ...........  ...........  ...........
 
  ...........  ...........  ...........  ...........  ...........  ...........
 
   
 
   
  '''N''' = Origin of noise
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  W = Workshop
 
  * = Noise
 
  * = Noise
 
  . = No noise
 
  . = No noise
  
 
== Noise in practice ==
 
== Noise in practice ==
* Don't dig near bedrooms when there are dwarves sleeping in them.
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* Smooth your bedrooms before placing the actual furniture.
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* Try not to place [[buildings]] like doors while your dwarves are asleep.  Or if you do, make sure they are at least 16 tiles away from the nearest sleeping dwarf.
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* Don't dig near the bedrooms when there are dwarves sleeping in them.
  
 
== Designing in anticipation of noise ==
 
== Designing in anticipation of noise ==
* A good way to start is to put all your bedrooms on level -9 or lower, so you don't have worry about noise from [[wood cutting]].
 
* Remember that [[jail]]s, [[hospital]]s, and sleeping [[barracks]] should also ideally be kept away from noise, in addition to standard and noble bedrooms.
 
  
Facilities that ''can'' be safely built around or above/below bedrooms and other sleeping facilities, to separate the area set aside for the "quiet zone", include anything that does ''not'' make noise.
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* A good way to start is to put all your bedrooms on level -9 or lower.  This means you don't have worry about restricting your woodcutting.
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* If you anticipate there to be fighting in your [[Trade Depot]], you should keep bedrooms away from there.  (It is believed that fighting creates noise within 16 tiles, since it has the power to wake units up.)
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* Remember that jails, hospitals, and sleeping barracks should also ideally be kept away from noise, in addition to standard and noble bedrooms.
  
 
{{Moods FAQ}}
 
{{Moods FAQ}}
{{Category|Fortress mode}}
 

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