mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 12:33:06 +00:00
297 lines
11 KiB
C#
297 lines
11 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 Colosseum saves.
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/// </summary>
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public sealed class SAV3Colosseum : SaveFile, IGCSaveFile, IBoxDetailName, IDaycareStorage, IDaycareExperience
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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 override PersonalTable3 Personal => PersonalTable.RS;
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public override ReadOnlySpan<ushort> HeldItems => Legal.HeldItems_RS;
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public SAV3GCMemoryCard? MemoryCard { get; init; }
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private readonly Memory<byte> Raw;
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private new Span<byte> Data => Raw.Span;
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protected override Span<byte> BoxBuffer => Data;
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protected override Span<byte> PartyBuffer => Data;
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// 3 Save files are stored
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// 0x0000-0x6000 contains memory card data
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// 0x6000-0x60000 contains the 3 save slots
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// 0x5A000 / 3 = 0x1E000 per save slot
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// Checksum is SHA1 over 0-0x1DFD7, stored in the last 20 bytes of the save slot.
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// Another SHA1 hash is 0x1DFD8, for 20 bytes. Unknown purpose.
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// Checksum is used as the crypto key.
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private readonly int SaveCount = -1;
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private readonly int SaveIndex = -1;
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private readonly StrategyMemo StrategyMemo;
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public const int MaxShadowID = 0x80; // 128
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private int Memo;
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private int DaycareOffset;
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private readonly bool Japanese;
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public SAV3Colosseum(bool japanese = false)
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{
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Japanese = japanese;
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Raw = new byte[ColoCrypto.SLOT_SIZE];
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StrategyMemo = Initialize();
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ClearBoxes();
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}
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public SAV3Colosseum(byte[] data) : base(data)
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{
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Japanese = data[0] == 0x83; // Japanese game name first character
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// Decrypt most recent save slot
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(SaveIndex, SaveCount) = ColoCrypto.DetectLatest(data);
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Raw = ColoCrypto.GetSlot(data.AsMemory(), SaveIndex);
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StrategyMemo = Initialize();
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}
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private StrategyMemo Initialize()
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{
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// Trainer1 = 0x00078;
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Party = 0x000A8;
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Box = 0x00B90;
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DaycareOffset = 0x08170;
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Memo = 0x082B0;
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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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var ofs = GetPartyOffset(i);
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var span = Data[ofs..];
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if (ReadUInt16BigEndian(span) != 0) // species is at offset 0x00
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PartyCount++;
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}
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var memo = new StrategyMemo(Data[Memo..], xd: false);
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return memo;
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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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StrategyMemo.Write().CopyTo(Data[Memo..]);
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SetChecksums();
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// Put save slot back in original save data
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byte[] newFile = (byte[])base.Data.Clone();
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ColoCrypto.SetSlot(newFile, SaveIndex, Data);
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return newFile;
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}
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// Configuration
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protected override SAV3Colosseum CloneInternal() => new(GetInnerData()) { MemoryCard = MemoryCard };
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protected override int SIZE_STORED => PokeCrypto.SIZE_3CSTORED;
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protected override int SIZE_PARTY => PokeCrypto.SIZE_3CSTORED; // unused
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public override CK3 BlankPKM => new();
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public override Type PKMType => typeof(CK3);
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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_COLO;
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public override GameVersion MaxGameID => Legal.MaxGameID_3;
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public override int MaxEV => EffortValues.Max255;
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public override byte Generation => 3;
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public override EntityContext Context => EntityContext.Gen3;
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public override int MaxStringLengthOT => 10; // as evident by Mattle Ho-Oh
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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 => 3;
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public override bool IsPKMPresent(ReadOnlySpan<byte> data) => EntityDetection.IsPresentGC(data);
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protected override void SetChecksums() => ColoCrypto.SetChecksums(Data);
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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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(bool isHeaderValid, bool isBodyValid) = ColoCrypto.IsChecksumValid(Data);
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static string valid(bool s) => s ? "Valid" : "Invalid";
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return $"Header Checksum {valid(isHeaderValid)}, Body Checksum {valid(isBodyValid)}.";
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}
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}
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// Trainer Info
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public override GameVersion Version { get => GameVersion.COLO; set { } }
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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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private Span<byte> GetBoxNameSpan(int box) => Data.Slice(Box + (0x24A4 * box), 16);
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public string GetBoxName(int box)
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{
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return GetString(GetBoxNameSpan(box));
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}
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public void SetBoxName(int box, ReadOnlySpan<char> value)
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{
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SetString(GetBoxNameSpan(box), value, 8, StringConverterOption.ClearZero);
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}
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protected override CK3 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(data);
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}
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protected override byte[] DecryptPKM(byte[] data) => data;
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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 CK3 ck3)
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return;
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ck3.CurrentRegion = (byte)CurrentRegion;
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ck3.OriginalRegion = (byte)OriginalRegion;
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ck3.ForceCorrectFatefulState(Japanese, ck3.FatefulEncounter);
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}
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protected override void SetDex(PKM pk)
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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.ID32 = pk.ID32;
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}
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if (entry.Matches(pk.Species, pk.PID, pk.ID32))
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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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// Config
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private const int Config = 0x08;
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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(ReadSingleBigEndian(Data[(Config + 0x20)..]));
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set => WriteSingleBigEndian(Data[(Config + 0x20)..], (float)value.TotalSeconds);
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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((int)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 (offset 0x78, length 0xB18, end @ 0xB90)
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public override string OT { get => GetString(Data.Slice(0x78, 20)); set { SetString(Data.Slice(0x78, 20), value, 10, StringConverterOption.ClearZero); OT2 = value; } }
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public string OT2 { get => GetString(Data.Slice(0x8C, 20)); set => SetString(Data.Slice(0x8C, 20), value, 10, StringConverterOption.ClearZero); }
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public override uint ID32 { get => ReadUInt32BigEndian(Data[0xA4..]); set => WriteUInt32BigEndian(Data[0xA4..], value); }
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public override ushort SID16 { get => ReadUInt16BigEndian(Data[0xA4..]); set => WriteUInt16BigEndian(Data[0xA4..], value); }
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public override ushort TID16 { get => ReadUInt16BigEndian(Data[0xA6..]); set => WriteUInt16BigEndian(Data[0xA6..], value); }
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public override byte Gender { get => Data[0xAF8]; set => Data[0xAF8] = value; }
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public override uint Money { get => ReadUInt32BigEndian(Data[0xAFC..]); set => WriteUInt32BigEndian(Data[0xAFC..], value); }
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public uint Coupons { get => ReadUInt32BigEndian(Data[0xB00..]); set => WriteUInt32BigEndian(Data[0xB00..], value); }
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public string RUI_Name { get => GetString(Data.Slice(0xB3A, 20)); set => SetString(Data.Slice(0xB3A, 20), value, 10, StringConverterOption.ClearZero); }
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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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var info = ItemStorage3Colo.Instance;
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InventoryPouch[] pouch =
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[
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new InventoryPouch3GC(InventoryType.Items, info, 99, 0x007F8, 20), // 20 COLO, 30 XD
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new InventoryPouch3GC(InventoryType.KeyItems, info, 1, 0x00848, 43),
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new InventoryPouch3GC(InventoryType.Balls, info, 99, 0x008F4, 16),
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new InventoryPouch3GC(InventoryType.TMHMs, info, 99, 0x00934, 64), // no HMs
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new InventoryPouch3GC(InventoryType.Berries, info, 999, 0x00A34, 46),
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new InventoryPouch3GC(InventoryType.Medicine, info, 99, 0x00AEC, 3), // Cologne
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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 int DaycareSlotCount => 1;
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public bool IsDaycareOccupied(int slot) => Data[DaycareOffset] != 0;
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public void SetDaycareOccupied(int slot, bool occupied) => Data[DaycareOffset] = (byte)(occupied ? 1 : 0);
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public byte DaycareDepositLevel { get => Data[DaycareOffset + 1]; set => Data[DaycareOffset + 1] = value; }
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public uint GetDaycareEXP(int index) => ReadUInt32BigEndian(Data[(DaycareOffset + 4)..]);
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public void SetDaycareEXP(int index, uint value) => WriteUInt32BigEndian(Data[(DaycareOffset + 4)..], value);
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public Memory<byte> GetDaycareSlot(int slot) => Raw.Slice(DaycareOffset + 8, PokeCrypto.SIZE_3CSTORED);
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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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