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Only encrypt pk4-based pgt data

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Closes #3484
ty @DeadSkullzJr !
This commit is contained in:
Kurt 2022-04-26 19:50:02 -07:00
parent af141581ee
commit b55d706785
1 changed files with 5 additions and 4 deletions
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9
PKHeX.Core/MysteryGifts/PGT.cs
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@ -1,6 +1,5 @@
using System;
using System.Collections.Generic;
using System.Linq;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core
@ -64,7 +63,7 @@ namespace PKHeX.Core
set
{
_pk = value;
var data = value.Data.All(z => z == 0)
var data = Array.FindIndex(value.Data, z => z != 0) == -1 // all zero
? value.Data
: PokeCrypto.EncryptArray45(value.Data);
data.CopyTo(Data, 8);
@ -87,8 +86,10 @@ namespace PKHeX.Core
/// <returns>True if data was encrypted, false if the data was not modified.</returns>
public bool VerifyPKEncryption()
{
if (!IsPokémon || ReadUInt32LittleEndian(Data.AsSpan(0x64 + 8)) != 0)
return false;
if (PGTGiftType is not (GiftType.Pokémon or GiftType.PokémonEgg))
return false; // not encrypted
if (ReadUInt32LittleEndian(Data.AsSpan(0x64 + 8)) != 0)
return false; // already encrypted (unused PK4 field, zero)
EncryptPK();
return true;
}