Difference between revisions of "Astral vision"

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'''Astral vision''', granted by wearing [[The Eyes of the Overworld]], lets you see anything within radius 3, even if that space is dark or there are walls or boulders blocking your line of sight. This means you can see while [[blind]] (although it does not strictly prevent blinding - your blindness continues in the background until it wears off, or you [[remove]] the Eyes, similar to [[Grayswandir]]'s behavior with [[hallucination]]). Therefore, if you are blind and have astral vision, you won't be able to make use of intrinsic [[telepathy]].
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'''Astral vision''', internally referred to as '''x-ray vision''', is a [[property]] in ''[[NetHack]]'' that allows a character to see nearby [[square]]s even if they are unlit or else blocked from regular line-of-sight, and ignores any [[blindness]].
  
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Objects seen through astral vision using the [[farlook]] command are described as though you had personally handled the item (a behavior similar to a blessed [[potion of object detection]]; for example, viewing a scroll on the floor will tell you its label, not merely "a scroll," and gems discovered embedded in rock will appear with whatever [[name|type-name]] you might have given them. Unlike blessed potions of object detection, this also includes items in monster inventories detected with said potions (regardless of BUC) or the [[spellbook of detect treasure|detect treasure]] spell. This may or may not be a bug.
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The only source of the astral vision property is [[The Eyes of the Overworld]], which grant them while [[worn]].  
  
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In [[NetHack 3.4.3]], astral vision is subject to [[bug#C343-93|bug C343-93]], a very minor bug which causes monsters seen with astral vision to be listed as seen with normal vision when using the [[farlook]] ({{kbd|;}}) command. Another bug regarding monsters is that monster seen with astral vision always stops occupations when they move, unlike usual vision.
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==Description==
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Astral vision allows a character to view any tile within a 3-square radius, with monsters, items and tiles being completely visible regardless of anything that would block the character's view otherwise, such as walls or [[boulder]]s: items viewed using the [[farlook]] command are described as if the character is handling them personally, i.e. they can see the item's [[randomized appearance]]; this effect does not function on the [[Rogue level]].<!--(3.4.3) Unlike blessed potions of object detection, this also includes items in monster inventories detected with said potions (regardless of BUC) or the [[spellbook of detect treasure|detect treasure]] spell. This may or may not be a bug. (This might not be a bug, just inconvenient intended behavior) Another bug regarding monsters is that monster seen with astral vision always stops occupations when they move, unlike usual vision.-->
  
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===The Rogue level===
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The blindness status property can still be applied to a character with astral vision, but will be overwritten and have its effects suppressed as long as the astral vision is active. Blindness that is applied or expires while a character has astral vision prints a different message than normal.
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Astral vision does not grant its "vision" properties while on the [[Rogue_level|Rogue level]]; monsters, tiles, and items are not revealed through darkness or obstructions. The only parts of it that still function are those that prevent and override blindness.
 
  
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==Messages==
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==History==
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Astral vision is introduced in [[NetHack 3.3.0]] along with The Eyes of the Overworld - the property makes use of unfinished code for an x-ray vision property that existed prior to the integration of the Monk role into ''NetHack''.
  
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;Your vision seems to dim for a moment but is normal now.
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From this version to [[NetHack 3.4.3]], including some astral vision is subject to [[bug#C343-93|bug C343-93]], a very minor bug which causes monsters seen with astral vision to be listed as being seen with normal vision when using the farlook command.
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:You were blinded while having astral vision
 
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;Your vision seems to dim for a moment but is happier now.
 
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:You were blinded while having astral vision and [[hallucination|hallucinating]]
 
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;Your vision seems to brighten for a moment but is normal now.
 
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:Your blindness was cured while having astral vision
 
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;Your vision seems to brighten for a moment but is sadder now.
 
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:Your blindness was cured while having astral vision and hallucinating
 
  
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== Variants ==
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==Messages==
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{{messages|Your vision seems to dim for a moment but is normal now.|You were blinded while you have astral vision.}}
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=== FIQHack ===
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{{messages|Your vision seems to dim for a moment but is happier now.|As above, while [[hallucinating]].}}
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{{messages|Your vision seems to brighten for a moment but is normal now.|Your blindness was cured while you have astral vision.}}
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{{messages|Your vision seems to brighten for a moment but is sadder now.|As above, while hallucinating.}}
  
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In [[FIQHack]] the astral vision range is 8, not 3.
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==Variants==
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Some variants add more sources of astral vision.
  
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===FIQHack===
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In [[FIQHack]], astral vision's radius is extended to 8 squares.
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{{nethack-367}}
 
[[Category:Properties]]
 
[[Category:Properties]]
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{{nethack-343}}
 

Revision as of 23:01, 16 April 2024

Astral vision, internally referred to as x-ray vision, is a property in NetHack that allows a character to see nearby squares even if they are unlit or else blocked from regular line-of-sight, and ignores any blindness.

The only source of the astral vision property is The Eyes of the Overworld, which grant them while worn.

Description

Astral vision allows a character to view any tile within a 3-square radius, with monsters, items and tiles being completely visible regardless of anything that would block the character's view otherwise, such as walls or boulders: items viewed using the farlook command are described as if the character is handling them personally, i.e. they can see the item's randomized appearance; this effect does not function on the Rogue level.

The blindness status property can still be applied to a character with astral vision, but will be overwritten and have its effects suppressed as long as the astral vision is active. Blindness that is applied or expires while a character has astral vision prints a different message than normal.

History

Astral vision is introduced in NetHack 3.3.0 along with The Eyes of the Overworld - the property makes use of unfinished code for an x-ray vision property that existed prior to the integration of the Monk role into NetHack.

From this version to NetHack 3.4.3, including some astral vision is subject to bug C343-93, a very minor bug which causes monsters seen with astral vision to be listed as being seen with normal vision when using the farlook command.

Messages

Template:Messages Template:Messages Template:Messages Template:Messages

Variants

Some variants add more sources of astral vision.

FIQHack

In FIQHack, astral vision's radius is extended to 8 squares.

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