View source for Escape Ganon glitch/fr

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L'[https://www.reddit.com/r/Breath_of_the_Wild/comments/632yq7/spoilers_you_can_get_out_of_the_final_boss_fight/ '''Escape Ganon glitch'''] est un glitch qui permet à Link de garder l'Arc de lumière, mais qui laisse le jeu dans un état étrange avec de nombreux effets secondaires bizarres. Pour rendre les choses encore plus déroutantes, les effets exacts diffèrent suivant la version du jeu.

Cet article documente les effets du glitch et essaie d'expliquer quelques uns des effets secondaires.

== Effets ==

=== Restrictions sur la sauvegarde, la téléportation, passer le temps et l'entrée des sanctuaires ===

C'est bien connu qu'il est impossible de sauvegarde ou se téléporter lorsque l'on combat Ganon le Fléau ou Ganon, Créature Maléfique. Cependant, cet état ne persiste pas à travers les chargements de sauvegarde normalement. Alors pourquoi sauvegarder ou se téléporter est impossible même après avoir chargé une autre sauvegarde ?

C'est parce que le flag ''LastBossGanonBeastGenerateFlag'', qui est initialisé juste avant que Link soit téléporté dans la Plaine d'Hyrule pour affronter Ganon, Créature Maléfique. Il est utilisé pour faire apparaître Ganon, Créature Maléfique, comme le nom l'indique; cependant un effet secondaire est qu'à chaque fois qu'une sauvegarde avec ce flag d'activé est chargé, le jeu initialise automatiquement les flags ''SaveProhibition'', ''WarpProhibition'', ''KillTimeProhibition'' et ''EnterDungeonProhibition''. Ces flags font exactement ce que dit leur nom: bloquer la sauvegarde, la téléportation, empêcher de passer le temps et d'entrer dans les sanctuaires.

'''Il est possible de se débarrasser de ces restrictions''' en commençant n'importe quel évènement qui finit par appeler l'évènement [https://eventviewer.zeldamods.org/viewer.html?data=/d/Common.json&params=1&entry=EnableSaveAndWarp Common<EnableSaveAndWarp>] (ou active ces flags manuellement). C'est parce que ces flags sont utilisés durant tout le jeu pour empêcher de se téléporter, sauvegarder, etc. Généralement, les joueurs utilisent le mini-jeu de pari dans le village d'Écaraille pour réactiver les sauvegardes, auto-sauvegardes, téléportations, feux de camp, terminaux de sanctuaire.

=== Strange animation right after loading screens ===

[https://eventviewer.zeldamods.org/viewer.html?data=/d/Demo025_0.json&params=1&entry=Demo025_0 Demo025_0] (which is played every time Link is spawned in the main world) checks the ''IsPlayed_Demo146_0'' flag. If it is set, the player's ''Demo_AccelerateHorse'' action is called. This explains why Link does a strange looking animation whenever the player loads a save that was made after escaping Ganon.

=== Blood moons ===

As explained in the article on BotW's [[Time]] system and [[WorldMgr]], ''LastBossGanonBeastGenerateFlag'' prevents the [[blood moon]] cutscene from being triggered at midnight. However, the blood moon timer still advances and blood moons are still scheduled as usual, which is why malice particles still appear before abruptly disappearing.

Unfortunately, nothing ever unsets the ''LastBossGanonBeastGenerateFlag'' flag so it is not possible to get blood moons to occur naturally. The only way to get a blood moon to trigger is to advance time manually by sleeping or waiting at a campfire, as none of the blood moon inhibiting flags are checked when the player does so. Probably an oversight.

=== Missing NPCs, shrines, enemies, etc. ===

This is the most noticeable effect. After performing the glitch, shrines, most NPCs and enemies and towers either only spawn partly or not at all.

This is explained by a quirk in the [[Placement]] code. The ''exact'' spawn logic is as follows:

If:

* [1.0.0-1.2.0] ''FirstInHyruleCastleBossRoom'' is set
* [1.3.0+] ''FirstInHyruleCastleBossRoom'' '''or''' ''IsPlayed_Demo145_0'' is set

and if a map object:

* is not ''Enemy_GanonBeast'' and profile<ref>There are different kinds of [[actor]]s (entities) in BotW. Profiles are pretty much categories that allow Nintendo to reuse the same base code internally for different but similar actors.</ref> name is ''Enemy'', ''GelEnemy'', ''SandWorm'' (sic), ''Prey'', ''Dragon'' or ''Guardian'', or contains ''NPC'' (e.g. ''NPC'', ''DemoNPC'')
* or is called exactly ''Enemy_Guardian_A''
* or has ''Entrance'' or ''WarpPoint'' or ''Terminal'' in its unit config name

then it is not spawned.

Moreover, if that object belongs to a placement group (i.e. if it is linked to other map objects in the [[map unit]]), that entire group is not spawned.

==== Explanation ====

This explains why NPCs, most enemies and shrines do not spawn after escaping the battle -- they're specifically excluded.

This is also why towers look strange -- they are always tied to ''FldObj_DownloadTerminal_A_01'' (Sheikah download terminal) and ''DgnObj_WarpPoint_A_01'' (warp pad) objects, so the majority of the map objects that make up a Sheikah Tower end up being ''not'' spawned either. This is a side effect of removing shrines.

Similarly, shrine interiors are invisible because the entire shrine model is a single object that is linked to the shrine's Sheikah monk, who is an NPC.

Additionally, this reveals why the Digdogg Suspension Bridge is invisible after activating the final boss sequence: the map objects are internally called ''FldObj_RockBridgeGerudoEntrance_A_01'', and because of Nintendo's stupidly broad object name blacklist, the bridge objects end up being excluded from spawning.

Also, the only reason why Moldugas spawn at all is because a Zelda developer made a typo. The profile for Moldugas is supposed to be ''Sandworm'', not ''SandWorm''!

==== Nintendo's broken patch ====

''FirstInHyruleCastleBossRoom'' is set when the player triggers the final boss sequence in the castle sanctum. On the other hand, ''IsPlayed_Demo145_0'' is set after Calamity Ganon ("incomplete Ganon") dies.

So why does 1.3.0 check ''IsPlayed_Demo145_0'' in addition to ''FirstInHyruleCastleBossRoom''?

This is because Nintendo changed some save data in 1.2.0 in an attempt to patch a closely related glitch: since 1.2.0, the ''FirstInHyruleCastleBossRoom'' flag is not loaded from or written to save files anymore. Therefore, to ensure that ''FirstInHyruleCastleBossRoom'' always has the correct value, they must now rely on a different endgame flag, and they chose ''IsPlayed_Demo145_0'' for this purpose.

Astute readers will notice that 1.2.0 is the version on which reloading a save causes NPCs, shrines and other excluded actors to reappear. This is simply because a save reload on 1.2.0 and any newer version causes ''FirstInHyruleCastleBossRoom'' to be reset to its default value (false), so on 1.2.0 none of that special spawning logic is used.

1.3.0 is the first version on which this trick doesn't work anymore because ''IsPlayed_Demo145_0'' is always saved and loaded properly. Master Mode, Trial of the Sword, dying, killing Ganon, dying, etc. all have no effects. The only way to get out of this state is to reset ''the'' flag, and unfortunately, there is nothing the player can do to reset IsPlayed flags. 

=== Runes (amiibo, Master Cycle Zero) ===

Just like other parts of the game, the amiibo and Master Cycle Zero runes use IsPlayed_Demo flags to decide whether rune usage should be restricted. So let's start with a list of relevant [[Demo]] cutscenes and their descriptions (translated + Nintendo's internal official description in Japanese):

* Demo141_0: Hyrule Castle Citadel - Windblight Ganon Appears ハイラル城本丸・カースガノン（風）登場
* Demo141_1: Hyrule Castle Citadel - Fireblight Ganon Appears ハイラル城本丸・カースガノン（火）登場
* Demo141_2: Hyrule Castle Citadel - Thunderblight Ganon Appears  ハイラル城本丸・カースガノン（雷）登場
* Demo141_3: Hyrule Castle Citadel - Waterblight Ganon Appears  ハイラル城本丸・カースガノン（水）登場
* Demo142_0: Hyrule Castle Citadel - Ganon's Incomplete Form Appears ハイラル城本丸・不完全体ガノン登場
* Demo143_4: Hyrule Castle Citadel · Divine Beast Beam Bullet ハイラル城本丸・神獣ビーム着弾
* Demo145_0: Hyrule Castle Citadel · Ganon's Incomplete Form Dies  ハイラル城本丸・不完全体ガノン死亡
* Demo146_0: Hyrule Field - Beast Ganon Appears  ハイラル平原・魔獣ガノン登場

For the amiibo rune, if ''Demo146_0'', ''Demo141_{0,1,2,3}'' or ''Demo142_0'' have been played, the player cannot use amiibo.

The Master Cycle Zero checks are slightly different (and it's very obvious they copy-pasted the amiibo code…):

* If ''Demo146_0'' has been played, the player is explicitly allowed to use the motorcycle.
* If ''Demo141_{0,1,2,3}'' or ''Demo142_0'' have been played, they cannot use the motorcycle.
* Otherwise, Link can use the motorcycle if he is not on the main map. So he can spawn it in the Trial of the Sword after escaping the Ganon fight.

=== EX Quests ===

If Demo146_0 has been played, the EX Trial of the Sword and Champion's Ballad quests will not start. Nintendo explicitly checks the flag in both cases.

=== Bow of Light and Master Sword ===

''LastBossGanonBeastGenerateFlag'' also controls the Bow of Light static spawn. Additionally, the Master Sword will always be in its powered up form ("true form") as long as this flag is set.

=== Divine Beast lasers and ancient pillars ===

''IsPlayed_Demo145_0'' being set enables "final boss mode" in effect code. The only significant effect is that the divine beast lasers are disabled.

''IsPlayed_Demo147_0'' (sealing Ganon cutscene) makes malice disappear and the ancient pillars around Hyrule Castle glow blue.

=== Instant teleport back to Calamity ===

Similarly to ''LastBossGanonBeastGenerateFlag'', ''LastBossIncompleteGanonGenerateFlag'' is set right before entering the Calamity Ganon fight to make him spawn and unset as soon as he's defeated.

This flag results in a strange side effect. Every frame, if this flag is set, and if Link's Y coordinate is lower than 170.0, Link is warped back to (-254.0, 191.0, -1026.0).

== The Bird-Man minigame escape exploit ==

The Bird-Man minigame can also be used to escape Ganon. That exploit is the reason why keeping the Bow of Light and still being able to play the game normally was possible on 1.2.0.

The way it works is that you start the minigame and then trigger the Calamity Ganon cutscene by landing in the castle sanctum. As soon as the cutscene finishes, the minigame ends and Link has now successfully escaped Ganon, with all of the aforementioned endgame flags still set.

In versions up to 1.1.2, this causes serious breakage as most of those end-game flags are written to save files (including ''FirstInHyruleCastleBossRoom'').

Someone made a video about it and Nintendo apparently thought the glitch was serious enough to warrant a special patch.

=== Nintendo's fix ===

The simple and easy fix would have been to just not spawn the Calamity trigger while the minigame is active, but that's not how they decided to patch it.

Because they knew about the effects of the ''FirstInHyruleCastleBossRoom'' flag, they changed GameData configuration to ''not'' save that flag, so NPCs, shrines, enemies and towers wouldn't disappear even after doing the glitch.

They also edited the birdman minigame event (''MiniGame_HillTower_BirdMan'') to always manually reset some effects of landing in the castle sanctum:

* An event was added to the landing event to warp the player back to the tower (-1746.71, 329.065, -772.847)… except the player is already being warped to the same exact coordinates in the original code. They might have wanted to be _extra sure_ the warp would work.
* When landing, the ''IsPlayed_Demo141_{0,1,2,3}'' and ''LastBossIncompleteGanonGenerateFlag'' flags are manually cleared. Yes, they forgot to clear any other flag such as ''IsPlayed_Demo145_0'' that may have been set.
* While the minigame is active, the ''FirstInHyruleCastleBossRoom'' flag is cleared ''every frame''.

It's as hacky as it sounds, and unsurprisingly it led to the 1.2.0 spawn glitch and required them to make yet another patch in 1.3.0.

== References ==
* [[GameData]] configuration
* [[PlacementMgr]]
* [[Versions]]
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