Wrong warp Glitch City: Difference between revisions

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#REDIRECT [[Valid source map Glitch City#Through wrong warps]]
[[File:Glitchcity6.png|frame|right|A Sea Route 20 Glitch City, caused by the [[Safari Zone exit glitch]]]]
'''Glitch City''' in [[bp:Generation I|Generation I]] (known in Japan rarely as バグった町, ''Bug Town'' or ''Bug City'') is a generic term used to describe an 'area' which is a glitchy mess of tiles. These are technically generated using an existing location in most circumstances.

Glitch Cities can be accessed with the [[Safari Zone exit glitch]], either through the 'traditional' method or the poison method (but the poison method does not work in Yellow). A Glitch City can also be accessed with the [[Silph Co. PC glitch]].

A Glitch City can also be accessed when walking down beyond a y-coordinate map boundary by changing the memory address D361. For example, if the y position on Route 1 is set to 37 (hex:25) when it was 35 (hex:23), walking down will eventually cause a Glitch City to appear (ignoring tiles possibly blocking the player without walk through walls).

== Specific Glitch Cities ==
These are specific Glitch Cities accessible through the Safari Zone exit glitch.

'''Glitch City''' (Go to: Sea Route 20)
Glitch City is fairly navigable compared to other 'regions'. Do not try to cut down any trees or enter any caves - trees regenerate, and caves do not work. Entering the nearest one causes you to get trapped.

'''Glitch Mountain''' (Go to: Cycling Road)
Glitch Mountain is also fairly navigable. Like in Cycling Road, your character is constantly moving downhill. Because of this, you cannot Surf on any of the blocks of water.

'''Glitch League''' (Go to: Indigo Plateau or Route 23)
Glitch League is not as easily navigable as Glitch City or Glitch Mountain. You can only move around a very small area, but you can see pieces of statues, water, and all kinds of other stuff.

===Traits of Safari Zone exit glitch Glitch Cities===
Glitch Cities accessed through the Safari Zone exit glitch happen when the game places the player for 'exit point hex:04'.

All Glitch Cities except for Pokémon Yellow's [[Pokémon Yellow map 254|map 254]] are not actual glitch maps; but rather a temporarily corrupted version of an existing map.

This can be proven by viewing the memory address D35E (D35D) in Yellow, and looking up the value [http://bulbapedia.bulbagarden.net/wiki/List_of_locations_by_index_number_(GB) here]. Additionally, when a player checks the Town Map while in a Glitch City, the map says that they are in the source map.

Also, attributes of the source map are preserved. The Cycling Road Glitch City forces the player to move downward, in the same manner that the Cycling Road itself does. The tileset of the map is the same as the source map. The sizes of the map are preserved as well.

Wild Pokemon are also preserved; if the source map had wild Pokémon data, then those Pokemon will appear when Surfing in Glitch City. If the Glitch City had a 'left-facing strait tile', it is possible to perform the [[Old Man Trick]] or [[previous wild Pokémon list glitch]] with it. This is possible with the Sea Route 19 Glitch City, and it means that [[Missingno.]] can be made to appear in a Glitch City.

A number of interesting changes are made to the map when it is corrupted. Some of these are relatively obvious, while others are more subtle.

*All terrain in the map is corrupted beyond recognition.
*Warps and objects are ignored and do not appear in Glitch Cities. This is why doors, signs, and cave entrances do nothing when they appear in Glitch Cities, and why people never appear in Glitch Cities.
**Objects are anything on the overworld that takes up space and can be interacted with using the A button. People and cuttable trees are objects. There are also invisible objects that are placed over signposts -- signs, like doors, don't do anything on their own.

====Map links and glitched coordinates====
Map links still exist in Glitch Cities, but going from one map to another will not fix the Glitch City. The player's coordinates on a Glitch City may be glitched.

In Pokémon Red and Blue, Sea Route 20's Glitch City takes the player to coordinates of y=107 (hex:6B) and x=107, while the highest valid coordinates for that route are y=17 (hex:11) and x=99 (hex:63).

Basically, this means that initially going west too much counts as taking the player to the east connection hex:64 (Sea Route 19) and going right too much counts as taking the player to the west connection hex:FF (Cinnabar Island), but when a connection happens the player's coordinates are updated like normal (e.g. going to the hex:64 connection makes the player's new x coordinate 00 because this is the minimum x coordinate for Sea Route 19). As FF is a west connection to get to Sea Route 20, going one more step west takes the player back to Sea Route 20, due to the byte 'underflow' from 00 to FF.

== Silph Co. PC glitch Glitch City==
In the [[Silph Co. PC glitch]] Glitch City, Silph Co.'s president and secretary do not disappear, and they can be talked to using walk through walls, but warps no longer work. The player can go out of bounds with walk through walls though, and their coordinates and current map are unchanged.

As this Glitch City occurs while in a building, Fly cannot be used to exit it, but the player can escape it using Dig or an Escape Rope. However if you don't have Dig or an Escape Rope you may save and reset the game as the map reverts to normal the next time the save file is loaded.

==See also==
*[[255 hours glitch]].

[[Category:Glitch regions]]

Latest revision as of 17:01, 1 March 2017