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Document More External Events

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Did research to determine how the Japanese Colosseum Bonus Disc modifies the ExternalEventData fields. The Ageto Celebi flag, as well as the flag for the three PokeCoupon title rewards, have been documented and included into the struct.

The PokeCoupon fields are actually 3-byte fields, so they have been turned into bitfields, since u24 isn't possible.

Also discovered that Channel and US Colosseum Bonus Disc Jirachi use the same flag, so renamed that flag and commented to explain.

Also made general comments explaining how the ExternalEventData and ExternalEventFlags are applicable to Emerald specifically.
This commit is contained in:
Deokishisu 2021-02-16 09:41:07 -05:00
parent 2e355ac848
commit cd89d17b12
1 changed files with 12 additions and 4 deletions
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16
include/global.h
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@ -899,19 +899,27 @@ struct MysteryEventStruct
}; // 0x36C 0x3598
// For external event data storage. The majority of these may have never been used.
// In Emerald, the only known used fields are the PokeCoupon ones, but hacking the distribution discs allows Emerald to receive events and set the others
struct ExternalEventData
{
u8 unknownExternalDataFields1[7]; // if actually used, may be broken up into different fields.
u32 currentPokeCoupons; // PokéCoupons stored by Pokémon Colosseum and XD from Mt. Battle runs. Earned PokéCoupons are also added to totalEarnedPokeCoupons.
u32 totalEarnedPokeCoupons; // Used by the JP Colosseum bonus disc. Determines PokéCoupon rank to distribute rewards. Unread in International games.
u8 unknownExternalDataFields2[5]; // if actually used, may be broken up into different fields.
u32 unknownExternalDataFields2:8;
u32 currentPokeCoupons:24; // PokéCoupons stored by Pokémon Colosseum and XD from Mt. Battle runs. Earned PokéCoupons are also added to totalEarnedPokeCoupons. Colosseum/XD caps this at 9,999,999, but will read up to 16,777,215.
u32 gotGoldPokeCouponTitleReward:1; // PP Max from JP Colosseum Bonus Disc; for reaching 2500 totalEarnedPokeCoupons
u32 gotSilverPokeCouponTitleReward:1; // Light Ball Pikachu from JP Colosseum Bonus Disc; for reaching 5000 totalEarnedPokeCoupons
u32 gotBronzePokeCouponTitleReward:1; // Master Ball from Jp Colosseum Bonus Disc; for reaching 30,000 totalEarnedPokeCoupons
u32 receivedAgetoCelebi:1; // from JP Colosseum Bonus Disc
u32 unknownExternalDataFields3:4;
u32 totalEarnedPokeCoupons:24; // Used by the JP Colosseum bonus disc. Determines PokéCoupon rank to distribute rewards. Unread in International games. Colosseum/XD caps this at 9,999,999.
u8 unknownExternalDataFields4[5]; // if actually used, may be broken up into different fields.
} __attribute__((packed)); /*size = 0x14*/
// For external event flags. The majority of these may have never been used.
// In Emerald, Jirachi cannot normally be received, but hacking the distribution discs allows Emerald to receive Jirachi and set the flag
struct ExternalEventFlags
{
u8 unknownFlag1;
u8 receivedWishmakerJirachi; // may also be used for Ageto Celebi?
u8 receivedGCNJirachi; // Both the US Colosseum Bonus Disc and PAL/AUS Pokémon Channel use this field. One cannot receive a WISHMKR Jirachi and CHANNEL Jirachi with the same savefile.
u8 unknownFlag3;
u8 unknownFlag4;
u8 unknownFlag5;