mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-23 19:03:11 +00:00
03182ebd3d
Adds support for Scarlet & Violet. Co-Authored-By: SciresM <8676005+SciresM@users.noreply.github.com> Co-Authored-By: Matt <17801814+sora10pls@users.noreply.github.com> Co-Authored-By: Lusamine <30205550+Lusamine@users.noreply.github.com>
451 lines
16 KiB
C#
451 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <summary>
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/// Generation 3 <see cref="SaveFile"/> object for Pokémon XD saves.
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/// </summary>
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public sealed class SAV3XD : SaveFile, IGCSaveFile
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{
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protected internal override string ShortSummary => $"{OT} ({Version}) {PlayTimeString}";
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public override string Extension => this.GCExtension();
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public SAV3GCMemoryCard? MemoryCard { get; init; }
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private const int SLOT_SIZE = 0x28000;
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private const int SLOT_START = 0x6000;
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private const int SLOT_COUNT = 2;
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private int SaveCount = -1;
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private int SaveIndex = -1;
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private int Config;
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private int Trainer1;
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private int Memo;
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private int Shadow;
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private readonly StrategyMemo StrategyMemo;
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private readonly ShadowInfoTableXD ShadowInfo;
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public int MaxShadowID => ShadowInfo.Count;
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private int OFS_PouchHeldItem, OFS_PouchKeyItem, OFS_PouchBalls, OFS_PouchTMHM, OFS_PouchBerry, OFS_PouchCologne, OFS_PouchDisc;
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private readonly int[] subOffsets = new int[16];
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private readonly byte[] BAK;
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public SAV3XD() : base(SaveUtil.SIZE_G3XD)
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{
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BAK = Array.Empty<byte>();
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// create fake objects
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StrategyMemo = new StrategyMemo();
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ShadowInfo = new ShadowInfoTableXD(false);
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Config = 0xA8;
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Trainer1 = 0xCCD8;
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Party = 0xCD08;
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Box = 0x10E08;
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DaycareOffset = 0x1CA68;
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Memo = 0xF678;
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Shadow = 0x1CB48;
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Initialize();
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ClearBoxes();
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}
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public SAV3XD(byte[] data) : base(data)
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{
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BAK = data;
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Japanese = InitializeData(out StrategyMemo, out ShadowInfo);
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Initialize();
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}
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public override IPersonalTable Personal => PersonalTable.RS;
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public override IReadOnlyList<ushort> HeldItems => Legal.HeldItems_XD;
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private readonly bool Japanese;
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private bool InitializeData(out StrategyMemo memo, out ShadowInfoTableXD info)
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{
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// Scan all 3 save slots for the highest counter
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for (int i = 0; i < SLOT_COUNT; i++)
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{
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int slotOffset = SLOT_START + (i * SLOT_SIZE);
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int SaveCounter = ReadInt32BigEndian(Data.AsSpan(slotOffset + 4));
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if (SaveCounter <= SaveCount)
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continue;
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SaveCount = SaveCounter;
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SaveIndex = i;
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}
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// Decrypt most recent save slot
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Data = ReadSlot(Data, SaveIndex);
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// Get Offset Info
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Span<ushort> subLength = stackalloc ushort[16];
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for (int i = 0; i < 16; i++)
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{
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subLength[i] = ReadUInt16BigEndian(Data.AsSpan(0x20 + (2 * i)));
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subOffsets[i] = ReadUInt16BigEndian(Data.AsSpan(0x40 + (4 * i))) | (ReadUInt16BigEndian(Data.AsSpan(0x40 + (4 * i) + 2)) << 16);
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}
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// Offsets are displaced by the 0xA8 savedata region
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Config = subOffsets[0] + 0xA8;
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Trainer1 = subOffsets[1] + 0xA8;
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Party = Trainer1 + 0x30;
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Box = subOffsets[2] + 0xA8;
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DaycareOffset = subOffsets[4] + 0xA8;
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Memo = subOffsets[5] + 0xA8;
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Shadow = subOffsets[7] + 0xA8;
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// Purifier = subOffsets[14] + 0xA8;
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bool jp = subLength[7] == 0x1E00;
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memo = new StrategyMemo(Data, Memo, xd: true);
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info = new ShadowInfoTableXD(Data.AsSpan(Shadow, subLength[7]), jp);
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return jp;
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}
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private static byte[] ReadSlot(Span<byte> data, int index)
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{
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int slotOffset = SLOT_START + (index * SLOT_SIZE);
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var slot = data.Slice(slotOffset, SLOT_SIZE);
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var result = new byte[SLOT_SIZE];
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var destSpan = result.AsSpan();
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// Decrypt Slot
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Span<ushort> keys = stackalloc ushort[4];
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GeniusCrypto.ReadKeys(slot.Slice(8, keys.Length * 2), keys);
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Range r = new(0x10, 0x27FD8);
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GeniusCrypto.Decrypt(slot[r], destSpan[r], keys); // body
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slot[..0x10].CopyTo(destSpan[..0x10]); // checksums
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slot[^0x18..].CopyTo(destSpan[^0x18..]); // tail end
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return result;
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}
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private void Initialize()
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{
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OFS_PouchHeldItem = Trainer1 + 0x4C8;
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OFS_PouchKeyItem = Trainer1 + 0x540;
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OFS_PouchBalls = Trainer1 + 0x5EC;
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OFS_PouchTMHM = Trainer1 + 0x62C;
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OFS_PouchBerry = Trainer1 + 0x72C;
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OFS_PouchCologne = Trainer1 + 0x7E4;
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OFS_PouchDisc = Trainer1 + 0x7F0;
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// Since PartyCount is not stored in the save file,
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// Count up how many party slots are active.
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for (int i = 0; i < 6; i++)
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{
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if (GetPartySlot(Data, GetPartyOffset(i)).Species != 0)
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PartyCount++;
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}
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}
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protected override byte[] GetFinalData()
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{
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var newFile = GetInnerData();
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// Return the gci if Memory Card is not being exported
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if (MemoryCard is null)
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return newFile;
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MemoryCard.WriteSaveGameData(newFile);
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return MemoryCard.Data;
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}
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private byte[] GetInnerData()
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{
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// Set Memo Back
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StrategyMemo.Write(); // .CopyTo(Data, Memo);
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ShadowInfo.Write().CopyTo(Data, Shadow);
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SetChecksums();
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// Put save slot back in original save data
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var destOffset = SLOT_START + (SaveIndex * SLOT_SIZE);
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byte[] dest = MemoryCard != null ? MemoryCard.ReadSaveGameData() : (byte[])BAK.Clone();
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var destSpan = dest.AsSpan(destOffset, Data.Length);
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// Get updated save slot data
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Span<byte> slot = Data;
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Span<ushort> keys = stackalloc ushort[4];
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GeniusCrypto.ReadKeys(slot.Slice(8, keys.Length * 2), keys);
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Range r = new(0x10, 0x27FD8);
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GeniusCrypto.Encrypt(slot[r], destSpan[r], keys);
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slot[..0x10].CopyTo(destSpan[..0x10]); // checksum/keys
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slot[^0x18..].CopyTo(destSpan[^0x18..]); // tail end
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return dest;
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}
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// Configuration
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protected override SaveFile CloneInternal()
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{
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var data = GetInnerData();
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return new SAV3XD(data) { MemoryCard = MemoryCard };
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}
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protected override int SIZE_STORED => PokeCrypto.SIZE_3XSTORED;
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protected override int SIZE_PARTY => PokeCrypto.SIZE_3XSTORED; // unused
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public override PKM BlankPKM => new XK3();
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public override Type PKMType => typeof(XK3);
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public override ushort MaxMoveID => Legal.MaxMoveID_3;
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public override ushort MaxSpeciesID => Legal.MaxSpeciesID_3;
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public override int MaxAbilityID => Legal.MaxAbilityID_3;
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public override int MaxBallID => Legal.MaxBallID_3;
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public override int MaxItemID => Legal.MaxItemID_3_XD;
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public override int MaxGameID => Legal.MaxGameID_3;
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public override int MaxEV => 255;
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public override int Generation => 3;
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public override EntityContext Context => EntityContext.Gen3;
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protected override int GiftCountMax => 1;
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public override int MaxStringLengthOT => 7;
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public override int MaxStringLengthNickname => 10;
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public override int MaxMoney => 9999999;
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public override int BoxCount => 8;
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public override bool IsPKMPresent(ReadOnlySpan<byte> data) => EntityDetection.IsPresentGC(data);
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// Checksums
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protected override void SetChecksums()
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{
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Data = SetChecksums(Data, subOffsets[0]);
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}
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public override bool ChecksumsValid => !ChecksumInfo.Contains("Invalid");
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public override string ChecksumInfo
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{
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get
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{
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byte[] data = SetChecksums(Data, subOffsets[0]);
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const int start = 0xA8; // 0x88 + 0x20
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int oldHC = ReadInt32BigEndian(Data.AsSpan(start + subOffsets[0] + 0x38));
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int newHC = ReadInt32BigEndian(data.AsSpan(start + subOffsets[0] + 0x38));
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bool header = newHC == oldHC;
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var oldCHK = Data.AsSpan(0x10, 0x10);
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var newCHK = data.AsSpan(0x10, 0x10);
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bool body = newCHK.SequenceEqual(oldCHK);
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return $"Header Checksum {(header ? "V" : "Inv")}alid, Body Checksum {(body ? "V" : "Inv")}alid.";
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}
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}
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private static byte[] SetChecksums(byte[] input, int subOffset0)
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{
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if (input.Length != SLOT_SIZE)
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throw new ArgumentException("Input should be a slot, not the entire save binary.");
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byte[] data = (byte[])input.Clone();
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const int start = 0xA8; // 0x88 + 0x20
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// Header Checksum
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int newHC = 0;
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for (int i = 0; i < 8; i++)
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newHC += data[i];
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WriteInt32BigEndian(data.AsSpan(start + subOffset0 + 0x38), newHC);
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// Body Checksum
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data.AsSpan(0x10, 0x10).Clear(); // Clear old Checksum Data
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Span<uint> checksum = stackalloc uint[4];
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int dt = 8;
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for (int i = 0; i < checksum.Length; i++)
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{
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uint val = 0;
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var end = dt + 0x9FF4;
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for (int j = dt; j < end; j += 2)
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val += ReadUInt16BigEndian(data.AsSpan(j));
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dt = end;
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checksum[i] = val;
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}
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Span<ushort> newchks = stackalloc ushort[8];
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for (int i = 0; i < 4; i++)
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{
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newchks[i*2] = (ushort)(checksum[i] >> 16);
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newchks[(i * 2) + 1] = (ushort)checksum[i];
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}
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for (int i = 0; i < newchks.Length; i++)
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{
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var dest = data.AsSpan(0x10 + (2 * i));
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var chk = newchks[newchks.Length - 1 - i];
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WriteUInt16BigEndian(dest, chk);
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}
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return data;
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}
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// Config
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public GCVersion GCGameIndex { get => (GCVersion)Data[Config + 0x00]; set => Data[Config + 0x00] = (byte)value; }
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public GCRegion CurrentRegion { get => (GCRegion)Data[Config + 0x01]; set => Data[Config + 0x01] = (byte)value; }
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public GCRegion OriginalRegion { get => (GCRegion)Data[Config + 0x02]; set => Data[Config + 0x02] = (byte)value; }
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public LanguageGC GCLanguage { get => (LanguageGC)Data[Config + 0x03]; set => Data[Config + 0x03] = (byte)value; }
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public override int Language { get => (int)GCLanguage.ToLanguageID(); set => GCLanguage = ((LanguageID)value).ToLanguageGC(); }
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private TimeSpan PlayedSpan
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{
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get => TimeSpan.FromSeconds(TotalSeconds);
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set => TotalSeconds = value.TotalSeconds;
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}
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private double TotalSeconds
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{
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get
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{
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if (Japanese)
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return ReadSingleBigEndian(Data.AsSpan(Config + 0x20));
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return ReadDoubleBigEndian(Data.AsSpan(Config + 0x30));
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}
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set
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{
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if (Japanese)
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WriteSingleBigEndian(Data.AsSpan(Config + 0x20), (float)value);
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else
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WriteDoubleBigEndian(Data.AsSpan(Config + 0x30), value);
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}
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}
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public override int PlayedHours
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{
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get => (ushort)PlayedSpan.TotalHours;
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set { var time = PlayedSpan; PlayedSpan = time - TimeSpan.FromHours(time.TotalHours) + TimeSpan.FromHours(value); }
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}
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public override int PlayedMinutes
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{
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get => (byte)PlayedSpan.Minutes;
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set { var time = PlayedSpan; PlayedSpan = time - TimeSpan.FromMinutes(time.Minutes) + TimeSpan.FromMinutes(value); }
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}
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public override int PlayedSeconds
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{
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get => (byte)PlayedSpan.Seconds;
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set { var time = PlayedSpan; PlayedSpan = time - TimeSpan.FromSeconds(time.Seconds) + TimeSpan.FromSeconds(value); }
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}
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// Trainer Info
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public override GameVersion Version { get => GameVersion.XD; protected set { } }
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public override string OT { get => GetString(Trainer1 + 0x00, 20); set => SetString(Data.AsSpan(Trainer1 + 0x00, 20), value.AsSpan(), 10, StringConverterOption.ClearZero); }
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public override int SID { get => ReadUInt16BigEndian(Data.AsSpan(Trainer1 + 0x2C)); set => WriteUInt16BigEndian(Data.AsSpan(Trainer1 + 0x2C), (ushort)value); }
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public override int TID { get => ReadUInt16BigEndian(Data.AsSpan(Trainer1 + 0x2E)); set => WriteUInt16BigEndian(Data.AsSpan(Trainer1 + 0x2E), (ushort)value); }
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public override int Gender { get => Data[Trainer1 + 0x8E0]; set => Data[Trainer1 + 0x8E0] = (byte)value; }
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public override uint Money { get => ReadUInt32BigEndian(Data.AsSpan(Trainer1 + 0x8E4)); set => WriteUInt32BigEndian(Data.AsSpan(Trainer1 + 0x8E4), value); }
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public uint Coupons { get => ReadUInt32BigEndian(Data.AsSpan(Trainer1 + 0x8E8)); set => WriteUInt32BigEndian(Data.AsSpan(Trainer1 + 0x8E8), value); }
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// Storage
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public override int GetPartyOffset(int slot) => Party + (SIZE_STORED * slot);
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private int GetBoxInfoOffset(int box) => Box + (((30 * SIZE_STORED) + 0x14) * box);
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public override int GetBoxOffset(int box) => GetBoxInfoOffset(box) + 20;
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public override string GetBoxName(int box) => GetString(GetBoxInfoOffset(box), 16);
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public override void SetBoxName(int box, string value)
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{
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SetString(Data.AsSpan(GetBoxInfoOffset(box), 20), value.AsSpan(), 8, StringConverterOption.ClearZero);
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}
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protected override PKM GetPKM(byte[] data)
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{
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if (data.Length != SIZE_STORED)
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Array.Resize(ref data, SIZE_STORED);
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return new XK3(data);
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}
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protected override byte[] DecryptPKM(byte[] data) => data;
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public override PKM GetPartySlot(byte[] data, int offset) => GetStoredSlot(data, offset);
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public override PKM GetStoredSlot(byte[] data, int offset)
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{
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// Get Shadow Data
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var pk = (XK3)base.GetStoredSlot(data, offset);
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if (pk.ShadowID > 0 && pk.ShadowID < ShadowInfo.Count)
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pk.Purification = ShadowInfo[pk.ShadowID].Purification;
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return pk;
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}
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protected override void SetPKM(PKM pk, bool isParty = false)
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{
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if (pk is not XK3 xk3)
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return; // shouldn't ever hit
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xk3.CurrentRegion = (byte)CurrentRegion;
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xk3.OriginalRegion = (byte)OriginalRegion;
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// Set Shadow Data back to save
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if (xk3.ShadowID <= 0 || xk3.ShadowID >= ShadowInfo.Count)
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return;
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var entry = ShadowInfo[xk3.ShadowID];
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entry.Purification = xk3.Purification;
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entry.Species = xk3.Species;
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entry.PID = xk3.PID;
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entry.IV_HP = xk3.IV_HP ;
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entry.IV_ATK = xk3.IV_ATK;
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entry.IV_DEF = xk3.IV_DEF;
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entry.IV_SPA = xk3.IV_SPA;
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entry.IV_SPD = xk3.IV_SPD;
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entry.IV_SPE = xk3.IV_SPE;
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}
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protected override void SetDex(PKM pk)
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{
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/*
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if (pk.Species is 0 or > Legal.MaxSpeciesID_3)
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return;
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if (pk.IsEgg)
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return;
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// Dex Related
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var entry = StrategyMemo.GetEntry(pk.Species);
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if (entry.IsEmpty) // Populate
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{
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entry.Species = pk.Species;
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entry.PID = pk.PID;
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entry.TID = pk.TID;
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entry.SID = pk.SID;
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}
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if (entry.Matches(pk.Species, pk.PID, pk.TID, pk.SID))
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{
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entry.Seen = true;
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entry.Owned = true;
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}
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StrategyMemo.SetEntry(entry);
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*/
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}
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public override IReadOnlyList<InventoryPouch> Inventory
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{
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get
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{
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InventoryPouch[] pouch =
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{
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new InventoryPouch3GC(InventoryType.Items, Legal.Pouch_Items_XD, 999, OFS_PouchHeldItem, 30), // 20 COLO, 30 XD
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new InventoryPouch3GC(InventoryType.KeyItems, Legal.Pouch_Key_XD, 1, OFS_PouchKeyItem, 43),
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new InventoryPouch3GC(InventoryType.Balls, Legal.Pouch_Ball_RS, 999, OFS_PouchBalls, 16),
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new InventoryPouch3GC(InventoryType.TMHMs, Legal.Pouch_TM_RS, 999, OFS_PouchTMHM, 64),
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new InventoryPouch3GC(InventoryType.Berries, Legal.Pouch_Berries_RS, 999, OFS_PouchBerry, 46),
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new InventoryPouch3GC(InventoryType.Medicine, Legal.Pouch_Cologne_XD, 999, OFS_PouchCologne, 3), // Cologne
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new InventoryPouch3GC(InventoryType.BattleItems, Legal.Pouch_Disc_XD, 1, OFS_PouchDisc, 60),
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};
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return pouch.LoadAll(Data);
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}
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set => value.SaveAll(Data);
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}
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// Daycare Structure:
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// 0x00 -- Occupied
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// 0x01 -- Deposited Level
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// 0x02-0x03 -- unused?
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// 0x04-0x07 -- Initial EXP
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public override int GetDaycareSlotOffset(int loc, int slot) { return DaycareOffset + 8; }
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public override uint? GetDaycareEXP(int loc, int slot) { return null; }
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public override bool? IsDaycareOccupied(int loc, int slot) { return null; }
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public override void SetDaycareEXP(int loc, int slot, uint EXP) { /* todo */ }
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public override void SetDaycareOccupied(int loc, int slot, bool occupied) { /* todo */ }
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public override string GetString(ReadOnlySpan<byte> data) => StringConverter3GC.GetString(data);
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public override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
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{
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|
return StringConverter3GC.SetString(destBuffer, value, maxLength, option);
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}
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}
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