mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-14 00:07:15 +00:00
382 lines
15 KiB
C#
382 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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namespace PKHeX.Core
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{
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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}) #{SaveCount:0000}";
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public override string Extension => this.GCExtension();
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public bool IsMemoryCardSave => MC != null;
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private readonly SAV3GCMemoryCard? MC;
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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 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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public SAV3XD(byte[] data, SAV3GCMemoryCard MC) : this(data, MC.Data) { this.MC = MC; }
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public SAV3XD(byte[] data) : this(data, (byte[])data.Clone()) { }
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public SAV3XD() : base(SaveUtil.SIZE_G3XD)
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{
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// create fake objects
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StrategyMemo = new StrategyMemo();
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ShadowInfo = new ShadowInfoTableXD();
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Initialize();
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ClearBoxes();
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}
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private SAV3XD(byte[] data, byte[] bak) : base(data, bak)
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{
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InitializeData(out StrategyMemo, out ShadowInfo);
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Initialize();
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}
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public override PersonalTable Personal => PersonalTable.RS;
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public override IReadOnlyList<ushort> HeldItems => Legal.HeldItems_XD;
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private void 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 = BigEndian.ToInt32(Data, 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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{
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byte[] slot = new byte[SLOT_SIZE];
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int slotOffset = SLOT_START + (SaveIndex * SLOT_SIZE);
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Array.Copy(Data, slotOffset, slot, 0, slot.Length);
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ushort[] keys = new ushort[4];
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for (int i = 0; i < keys.Length; i++)
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keys[i] = BigEndian.ToUInt16(slot, 8 + (i * 2));
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// Decrypt Slot
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Data = GeniusCrypto.Decrypt(slot, 0x00010, 0x27FD8, keys);
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}
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// Get Offset Info
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ushort[] subLength = new ushort[16];
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for (int i = 0; i < 16; i++)
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{
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subLength[i] = BigEndian.ToUInt16(Data, 0x20 + (2 * i));
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subOffsets[i] = BigEndian.ToUInt16(Data, 0x40 + (4 * i)) | BigEndian.ToUInt16(Data, 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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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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memo = new StrategyMemo(Data, Memo, xd: true);
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info = new ShadowInfoTableXD(Data.Slice(Shadow, subLength[7]));
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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 (!IsMemoryCardSave)
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return newFile;
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MC!.SelectedSaveData = newFile;
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return MC.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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// Get updated save slot data
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ushort[] keys = new ushort[4];
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for (int i = 0; i < keys.Length; i++)
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keys[i] = BigEndian.ToUInt16(Data, 8 + (i * 2));
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byte[] newSAV = GeniusCrypto.Encrypt(Data, 0x10, 0x27FD8, keys);
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// Put save slot back in original save data
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byte[] newFile = MC != null ? MC.SelectedSaveData : (byte[]) State.BAK.Clone();
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Array.Copy(newSAV, 0, newFile, SLOT_START + (SaveIndex * SLOT_SIZE), newSAV.Length);
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return newFile;
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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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var sav = IsMemoryCardSave ? new SAV3XD(data, MC!) : new SAV3XD(data);
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return sav;
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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 int MaxMoveID => Legal.MaxMoveID_3;
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public override int 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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protected override int GiftCountMax => 1;
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public override int OTLength => 7;
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public override int NickLength => 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(byte[] data, int offset) => PKX.IsPKMPresentGC(Data, offset);
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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 = BigEndian.ToInt32(Data, start + subOffsets[0] + 0x38);
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int newHC = BigEndian.ToInt32(data, 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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BigEndian.GetBytes(newHC).CopyTo(data, start + subOffset0 + 0x38);
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// Body Checksum
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data.AsSpan(0x10, 0x10).Fill(0); // Clear old Checksum Data
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uint[] checksum = new 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 += BigEndian.ToUInt16(data, j);
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dt = end;
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checksum[i] = val;
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}
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ushort[] newchks = new 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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Array.Reverse(newchks);
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for (int i = 0; i < newchks.Length; i++)
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BigEndian.GetBytes(newchks[i]).CopyTo(data, 0x10 + (2 * i));
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return data;
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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(value, 10).CopyTo(Data, Trainer1 + 0x00); }
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public override int SID { get => BigEndian.ToUInt16(Data, Trainer1 + 0x2C); set => BigEndian.GetBytes((ushort)value).CopyTo(Data, Trainer1 + 0x2C); }
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public override int TID { get => BigEndian.ToUInt16(Data, Trainer1 + 0x2E); set => BigEndian.GetBytes((ushort)value).CopyTo(Data, Trainer1 + 0x2E); }
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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 => BigEndian.ToUInt32(Data, Trainer1 + 0x8E4); set => BigEndian.GetBytes(value).CopyTo(Data, Trainer1 + 0x8E4); }
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public uint Coupons { get => BigEndian.ToUInt32(Data, Trainer1 + 0x8E8); set => BigEndian.GetBytes(value).CopyTo(Data, Trainer1 + 0x8E8); }
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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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if (value.Length > 8)
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value = value[..8]; // Hard cap
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SetString(value, 8).CopyTo(Data, GetBoxInfoOffset(box));
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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 pkm, bool isParty = false)
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{
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if (pkm is not XK3 pk)
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return; // shouldn't ever hit
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if (pk.CurrentRegion == 0)
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pk.CurrentRegion = 2; // NTSC-U
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if (pk.OriginalRegion == 0)
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pk.OriginalRegion = 2; // NTSC-U
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// Set Shadow Data back to save
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if (pk.ShadowID <= 0 || pk.ShadowID >= ShadowInfo.Count)
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return;
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var entry = ShadowInfo[pk.ShadowID];
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entry.Purification = pk.Purification;
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entry.Species = pk.Species;
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entry.PID = pk.PID;
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entry.IV_HP = pk.IV_HP ;
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entry.IV_ATK = pk.IV_ATK;
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entry.IV_DEF = pk.IV_DEF;
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entry.IV_SPA = pk.IV_SPA;
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entry.IV_SPD = pk.IV_SPD;
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entry.IV_SPE = pk.IV_SPE;
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}
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protected override void SetDex(PKM pkm)
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{
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/*
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if (pkm.Species is 0 or > Legal.MaxSpeciesID_3)
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return;
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if (pkm.IsEgg)
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return;
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// Dex Related
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var entry = StrategyMemo.GetEntry(pkm.Species);
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if (entry.IsEmpty) // Populate
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{
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entry.Species = pkm.Species;
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entry.PID = pkm.PID;
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entry.TID = pkm.TID;
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entry.SID = pkm.SID;
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}
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if (entry.Matches(pkm.Species, pkm.PID, pkm.TID, pkm.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(byte[] data, int offset, int length) => StringConverter3.GetBEString3(data, offset, length);
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public override byte[] SetString(string value, int maxLength, int PadToSize = 0, ushort PadWith = 0)
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{
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if (PadToSize == 0)
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PadToSize = maxLength + 1;
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return StringConverter3.SetBEString3(value, maxLength, PadToSize, PadWith);
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}
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}
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}
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