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Difference between revisions of "40d:Noise"

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Certain jobs (when completed) will generate '''noise''' that will cause your dwarves to get the unhappy [[thought]] "slept uneasily." Building or destroying [[building]]s causes noise within 16 tiles, as does firing [[siege engine]]s. [[Mining]] and [[wood cutting]] causes noise within 8 tiles.{{verify}} Jobs performed at [[workshops]] cause noise within 4 tiles, and most other jobs cause noise within 4 or 2 tiles. Noise travels through [[Z-level]]s just as through horizontal spaces, for instance workshop noise travels at most four levels down and up, in a pyramid shape.[http://www.bay12games.com/cgi-local/ultimatebb.cgi?ubb=get_topic&f=11&t=000858]{{verify}}
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{{av}}
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{{Quality|Exceptional}}
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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]]s in varying degrees.
  
Neither walls nor doors will insulate dwarves from sound. Distance is the only factor in 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.
  
When noise radiates from buildings, it radiates from the center tile, like this:{{verify}}
+
Noise is produced when a noisy job is completed.  Thoughts about noise do not appear until the sleeping dwarf has woken up.
<pre>
 
Level 0    Level &plusmn; 1  Level &plusmn; 2  Level &plusmn; 3  Level &plusmn; 4
 
  
....*....  .........  .........  .........  .........
+
Dwarves walking through a sleeping dwarf's room (even over his head) will not cause noise, which is important for [[bedroom design]].
...***...  ....*....  .........  .........  .........
 
..*****..  ...***...  ....*....  .........  .........
 
.**WWW**.  ..*****..  ...***...  ....*....  .........
 
***WWW***  .*******.  ..*****..  ...***...  ....*....
 
.**WWW**.  ..*****..  ...***...  ....*....  .........
 
..*****..  ...***...  ....*....  .........  .........
 
...***...  ....*....  .........  .........  .........
 
....*....  .........  .........  .........  .........
 
  
W - Workshop, * - Noise, . - No noise
+
Contrary to common belief based on [[23a:Noise|earlier versions]], workshops do ''not'' currently produce any noise.
</pre>
 
An alternate theory states that it radiates like this:{{verify}}
 
<pre>
 
Level 0    Level &plusmn; 1  Level &plusmn; 2  Level &plusmn; 3  Level &plusmn; 4
 
  
*********  .........  .........  .........  .........
+
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".
*********  .*******.  .........  .........  .........
 
*********  .*******.  ..*****..  .........  .........
 
***WWW***  .*******.  ..*****..  ...***...  .........
 
***WWW***  .*******.  ..*****..  ...***...  ....*....
 
***WWW***  .*******.  ..*****..  ...***...  .........
 
*********  .*******.  ..*****..  .........  .........
 
*********  .*******.  .........  .........  .........
 
*********  .........  .........  .........  .........
 
  
W - Workshop, * - Noise, . - No noise
+
==Noisiness of various jobs==
</pre>
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Unlike in the past, only 5 jobs are known to cause noise:
A third one states this (a cube of noise):{{verify}}
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* Digging - 8 tiles
<pre>
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* Wood cutting - 8 tiles
Level 0    Level &plusmn; 1  Level &plusmn; 2  Level &plusmn; 3  Level &plusmn; 4  Level &plusmn; 5
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* Engraving - 4 tiles
 +
* Fortification carving - 4 tiles
 +
* Removing [[construction]]s - 8 tiles
  
*********  *********  *********  *********  *********  .........
+
====Visualization====
*********  *********  *********  *********  *********  .........
 
*********  *********  *********  *********  *********  .........
 
***WWW***  *********  *********  *********  *********  .........
 
***WWW***  *********  *********  *********  *********  .........
 
***WWW***  *********  *********  *********  *********  .........
 
*********  *********  *********  *********  *********  .........
 
*********  *********  *********  *********  *********  .........
 
*********  *********  *********  *********  *********  .........
 
  
W - Workshop, * - Noise, . - No noise
+
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").
</pre>
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If you can, please conduct experiments to determine whether these are true or false.
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  Level 0      Level &plusmn; 1    Level &plusmn; 2    Level &plusmn; 3    Level &plusmn; 4    Level &plusmn; 5
 +
 +
...........  ...........  ...........  ...........  ...........  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.****'''N'''****.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
.*********.  .*********.  .*********.  .*********.  .*********.  ...........
 +
...........  ...........  ...........  ...........  ...........  ...........
 +
 +
'''N''' = Origin of noise
 +
* = Noise
 +
. = No noise
 +
 
 +
== Noise in practice ==
 +
* Don't dig near bedrooms when there are dwarves sleeping in them.
 +
* Smooth your bedrooms before placing the actual furniture.
 +
 
 +
== 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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{{Moods FAQ}}
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{{Category|Fortress mode}}

Latest revision as of 17:50, 5 March 2014

This article is about an older version of DF.

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 thoughts 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.

Noise is produced when a noisy job is completed. Thoughts about noise do not appear until the sleeping dwarf has woken up.

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 earlier versions, workshops do not currently produce any noise.

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".

Noisiness of various jobs[edit]

Unlike in the past, only 5 jobs are known to cause noise:

  • Digging - 8 tiles
  • Wood cutting - 8 tiles
  • Engraving - 4 tiles
  • Fortification carving - 4 tiles
  • Removing constructions - 8 tiles

Visualization[edit]

Noise radiates across z-levels 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").

  Level 0      Level ± 1     Level ± 2     Level ± 3     Level ± 4     Level ± 5

...........   ...........   ...........   ...........   ...........   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.****N****.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
.*********.   .*********.   .*********.   .*********.   .*********.   ...........
...........   ...........   ...........   ...........   ...........   ...........

N = Origin of noise
* = Noise
. = No noise

Noise in practice[edit]

  • Don't dig near bedrooms when there are dwarves sleeping in them.
  • Smooth your bedrooms before placing the actual furniture.

Designing in anticipation of noise[edit]

  • 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 jails, hospitals, 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.