mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-27 06:20:25 +00:00
372 lines
15 KiB
C#
372 lines
15 KiB
C#
using System;
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using System.Linq;
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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
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{
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public override string BAKName => $"{FileName} [{OT} ({Version}) #{SaveCount:0000}].bak";
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public override string Filter
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{
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get
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{
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if (IsMemoryCardSave)
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return "Memory Card Raw File|*.raw|Memory Card Binary File|*.bin|GameCube Save File|*.gci|All Files|*.*";
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return "GameCube Save File|*.gci|All Files|*.*";
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}
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}
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public override string Extension => IsMemoryCardSave ? ".raw" : ".gci";
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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 readonly int SaveCount = -1;
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private readonly int SaveIndex = -1;
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private readonly int Memo, Shadow;
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private readonly StrategyMemo StrategyMemo;
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private readonly ShadowInfoTableXD ShadowInfo;
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public override int MaxShadowID => ShadowInfo.Count;
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private readonly ushort[] LegalItems, LegalKeyItems, LegalBalls, LegalTMHMs, LegalBerries, LegalCologne, LegalDisc;
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private readonly int OFS_PouchCologne, OFS_PouchDisc;
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private readonly int[] subOffsets = new int[16];
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private readonly SAV3GCMemoryCard MC;
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private bool IsMemoryCardSave => MC != null;
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public SAV3XD(byte[] data, SAV3GCMemoryCard MC) : this(data) { this.MC = MC; BAK = MC.Data; }
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public SAV3XD(byte[] data = null)
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{
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Data = data ?? new byte[SaveUtil.SIZE_G3XD];
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BAK = (byte[])Data.Clone();
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Exportable = !IsRangeEmpty(0, Data.Length);
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if (SaveUtil.GetIsG3XDSAV(Data) != GameVersion.XD)
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return;
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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 = SaveUtil.DecryptGC(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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Daycare = 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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StrategyMemo = new StrategyMemo(Data, Memo, xd: true);
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ShadowInfo = new ShadowInfoTableXD(Data.Skip(Shadow).Take(subLength[7]).ToArray());
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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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LegalItems = Legal.Pouch_Items_XD;
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LegalKeyItems = Legal.Pouch_Key_XD;
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LegalBalls = Legal.Pouch_Ball_RS;
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LegalTMHMs = Legal.Pouch_TM_RS; // not HMs
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LegalBerries = Legal.Pouch_Berries_RS;
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LegalCologne = Legal.Pouch_Cologne_CXD;
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LegalDisc = Legal.Pouch_Disc_XD;
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Personal = PersonalTable.RS;
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HeldItems = Legal.HeldItems_XD;
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if (!Exportable)
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ClearBoxes();
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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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if (GetPartySlot(GetPartyOffset(i)).Species != 0)
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PartyCount++;
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}
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public override byte[] Write(bool DSV, bool GCI)
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{
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// Set Memo Back
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StrategyMemo.FinalData.CopyTo(Data, Memo);
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ShadowInfo.FinalData.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 = SaveUtil.EncryptGC(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[])BAK.Clone();
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Array.Copy(newSAV, 0, newFile, SLOT_START + SaveIndex * SLOT_SIZE, newSAV.Length);
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// Return the gci if Memory Card is not being exported
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if (!IsMemoryCardSave || GCI)
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return Header.Concat(newFile).ToArray();
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MC.SelectedSaveData = newFile.ToArray();
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return MC.Data;
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}
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// Configuration
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public override SaveFile Clone()
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{
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byte[] data = Write(DSV: false, GCI: true).Skip(Header.Length).ToArray();
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var sav = new SAV3XD(data) {Header = (byte[]) Header.Clone()};
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return sav;
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}
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public override int SIZE_STORED => PKX.SIZE_3XSTORED;
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protected override int SIZE_PARTY => PKX.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 => 999999;
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public override int BoxCount => 8;
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public override bool IsPKMPresent(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.Skip(0x10).Take(0x10);
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var newCHK = data.Skip(0x10).Take(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 != 0x28000)
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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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new byte[16].CopyTo(data, 0x10); // 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 < 4; i++)
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for (int j = 0; j < 0x9FF4; j += 2, dt += 2)
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checksum[i] += BigEndian.ToUInt16(data, dt);
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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)
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{
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return Party + SIZE_STORED * slot;
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}
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public override int GetBoxOffset(int box)
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{
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return Box + (30 * SIZE_STORED + 0x14)*box + 0x14;
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}
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public override string GetBoxName(int box)
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{
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return GetString(Box + (30 * SIZE_STORED + 0x14)*box, 16);
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}
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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.Substring(0, 8); // Hard cap
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SetString(value, 8).CopyTo(Data, Box + 0x24A4*box);
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}
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public override PKM GetPKM(byte[] data)
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{
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return new XK3(data.Take(SIZE_STORED).ToArray());
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}
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public override byte[] DecryptPKM(byte[] data)
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{
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return data;
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}
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public override PKM GetPartySlot(int offset)
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{
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return GetStoredSlot(offset);
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}
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public override PKM GetStoredSlot(int offset)
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{
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// Get Shadow Data
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var pk = (XK3)GetPKM(DecryptPKM(GetData(offset, SIZE_STORED)));
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if (pk.ShadowID > 0 && pk.ShadowID < ShadowInfo.Count)
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pk.Purification = ShadowInfo[pk.ShadowID - 1].Purification;
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return pk;
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}
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protected override void SetPKM(PKM pkm)
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{
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XK3 pk = pkm as XK3;
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if (pk == null)
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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 - 1];
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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.IsPurified = pk.Purification == 0;
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}
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protected override void SetDex(PKM pkm)
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{
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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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public override 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 InventoryPouch(InventoryType.Items, LegalItems, 999, OFS_PouchHeldItem, 30), // 20 COLO, 30 XD
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new InventoryPouch(InventoryType.KeyItems, LegalKeyItems, 1, OFS_PouchKeyItem, 43),
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new InventoryPouch(InventoryType.Balls, LegalBalls, 999, OFS_PouchBalls, 16),
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new InventoryPouch(InventoryType.TMHMs, LegalTMHMs, 999, OFS_PouchTMHM, 64),
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new InventoryPouch(InventoryType.Berries, LegalBerries, 999, OFS_PouchBerry, 46),
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new InventoryPouch(InventoryType.Medicine, LegalCologne, 999, OFS_PouchCologne, 3), // Cologne
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new InventoryPouch(InventoryType.BattleItems, LegalDisc, 999, OFS_PouchDisc, 60)
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};
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foreach (var p in pouch)
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p.GetPouchBigEndian(ref Data);
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return pouch;
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}
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set
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{
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foreach (var p in value)
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p.SetPouchBigEndian(ref Data);
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}
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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 Daycare + 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) { }
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public override void SetDaycareOccupied(int loc, int slot, bool occupied) { }
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public override string GetString(int Offset, int Count) => StringConverter.GetBEString3(Data, Offset, Count);
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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 StringConverter.SetBEString3(value, maxLength, PadToSize, PadWith);
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}
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}
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}
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