Scroll of magic mapping

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? Scroll.png
Name magic mapping
Appearance random
Base price 100 zm
Weight 5
Ink to write 4-7
Monster use Will not be used by monsters.

A scroll of magic mapping is a type of magical scroll that appears in NetHack.

Generation

Monks may be given a scroll of magic mapping as the random scroll in their starting inventory.[1] Tourists are given four non-cursed scrolls of magic mapping as part of their starting inventory.[2] Wizards may be given a scroll of magic mapping as any of the three random scrolls in their starting inventory.[3]

Scrolls of magic mapping make up 9⁄200 (4.5%) of all randomly-generated scrolls. General stores, second-hand bookstores and rare books shops can sell scrolls of magic mapping.

Writing a scroll of magic mapping with a magic marker takes up 4 to 7 charges.

Description

Reading a scroll of magic mapping uses up the scroll, auto-identifies it and reveals part or all of the map for the current dungeon level map, with the effect depending on the scroll's beatitude:[4] an uncursed scroll maps the entire level and reveals all secret passages, while a blessed scroll additionally reveals any secret doors present on the level;[5][6] a cursed scroll will only reveal 1⁄7 of the level's squares at random, while being confused and reading a scroll of any beatitude has the same effect.[7]

Reading a scroll of magic mapping on a non-mappable level confuses the hero for up to 30 more turns.[8] Monsters will not read this scroll.

Strategy

Early in the game, these scrolls can be used to navigate dark levels in the Gnomish Mines more easily. They can also be used to find vaults, though a potion of object detection or scroll of gold detection would also work for this purpose.

Later in the game, these scrolls can be used to find the stairs in otherwise time-consuming maze levels, such as the levels beneath Medusa's Island or Gehennom. Since the cost of writing them with a magic marker is low, players often write many scrolls of magic mapping to avoid the tedium of fully exploring each level.

History

The scroll of magic mapping first appears in Hack 1.21 and Hack for PDP-11, which are based on Jay Fenlason's Hack, and is included in the initial item list for Hack 1.0.

Messages

A map coalesces in your mind!
You read a scroll of magic mapping.
Unfortunately, you can't grasp the details.
This line is added if the scroll was cursed.
Your mind is filled with crazy lines!
You read a scroll of magic mapping on a non-mappable level.
Your <head> spins in bewilderment.
This line is added to the above if you are not hallucinating.
Wow! Modern art.
This line is added if you are hallucinating.

Variants

Several variants of NetHack incorporate the Pirate patch, which has an associated artifact known as the Marauder's Map, whose base item is a scroll of magic mapping with specific functions that vary depending on how it is implemented.

SLASH'EM

In SLASH'EM, Archeologists, Flame Mages, Ice Mages, Monks, Necromancers, Priests, and Wizards may be given a scroll of magic mapping as any of the random scrolls in their starting inventories.[9][10][11][12][13][14][15]

Reading a blessed scroll of magic mapping will additionally perform object detection and reveal the presence of all objects on the level.

UnNetHack

In UnNetHack, uncursed scrolls of magic mapping also reveal secret doors when read, and blessed scrolls additionally reveal the locations of all objects on the level as in SLASH'EM.

dNetHack

In dNetHack, notdNetHack and notnotdNetHack, Baphomet is always generated with three scrolls of magic mapping.

SpliceHack

In SpliceHack, Cartomancers may be given a scroll of magic mapping as any of the random scrolls in their starting inventories.

SlashTHEM

In SlashTHEM, in addition to SLASH'EM details, Acid Mages, Electric Mages, Lunatics, and Paladins may be given a scroll of magic mapping as any of the random scrolls in their starting inventories.

Hack'EM

In Hack'EM, Archeologists, Ice Mages, Monks, and Wizards may be given a scroll of magic mapping as any of the random scrolls in their starting inventories.

References

  1. ↑ src/u_init.c in NetHack 3.6.7, line 89
  2. ↑ src/u_init.c in NetHack 3.6.7, line 146
  3. ↑ src/u_init.c in NetHack 3.6.7, line 167
  4. ↑ src/read.c in NetHack 3.6.7, line 1544
  5. ↑ src/read.c in NetHack 3.6.7, line 1554
  6. ↑ src/read.c in NetHack 3.6.7, line 1576
  7. ↑ src/read.c in NetHack 3.6.7, line 1573
  8. ↑ src/read.c in NetHack 3.6.7, line 1545
  9. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 36
  10. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 67
  11. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 97
  12. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 121
  13. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 138
  14. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 159
  15. ↑ u_init.c in SLASH'EM 0.0.7E7F2, line 247

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