mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 12:33:06 +00:00
fc754b346b
[Language Reference](https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-10.0/file-scoped-namespaces) Updates all the files, one less level of indentation. Some small changes were made to API surfaces, renaming `PKM pkm` -> `PKM pk`, and `LegalityAnalysis.pkm` -> `LegalityAnalysis.Entity`
96 lines
3.7 KiB
C#
96 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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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 4 <see cref="SaveFile"/> object for My Pokémon Ranch saves.
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/// </summary>
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public sealed class SAV4Ranch : BulkStorage, ISaveFileRevision
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{
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protected override int SIZE_STORED => 0x88 + 0x1C;
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protected override int SIZE_PARTY => SIZE_STORED;
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public int SaveRevision => Version == GameVersion.DP ? 0 : 1;
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public string SaveRevisionString => Version == GameVersion.DP ? "-DP" : "-Pt";
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public override int BoxCount { get; }
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public override int SlotCount { get; }
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public override PersonalTable Personal => PersonalTable.Pt;
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public override IReadOnlyList<ushort> HeldItems => Legal.HeldItems_Pt;
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protected override SaveFile CloneInternal() => new SAV4Ranch((byte[])Data.Clone());
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public override string PlayTimeString => $"{Checksums.CRC16Invert(Data):X4}";
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protected internal override string ShortSummary => $"{OT} {PlayTimeString}";
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public override string Extension => ".bin";
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protected override PKM GetPKM(byte[] data) => new PK4(data);
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protected override byte[] DecryptPKM(byte[] data) => PokeCrypto.DecryptArray45(data);
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public override StorageSlotSource GetSlotFlags(int index) => index >= SlotCount ? StorageSlotSource.Locked : StorageSlotSource.None;
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protected override bool IsSlotSwapProtected(int box, int slot) => IsSlotOverwriteProtected(box, slot);
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public SAV4Ranch(byte[] data) : base(data, typeof(PK4), 0)
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{
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Version = Data.Length == SaveUtil.SIZE_G4RANCH_PLAT ? GameVersion.Pt : GameVersion.DP;
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OT = GetString(0x770, 0x12);
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// 0x18 starts the header table
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// Block 00, Offset = ???
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// Block 01, Offset = Mii Data
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// Block 02, Offset = Mii Link Data
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// Block 03, Offset = Pokemon Data
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// Block 04, Offset = ??
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// Unpack the binary a little:
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// size, count, Mii data[count]
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// size, count, Mii Link data[count]
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// size, count, Pokemon (PK4 + metadata)[count]
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// size, count, ???
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/* ====Metadata====
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* uint8_t poke_type;// 01 trainer, 04 hayley, 05 traded
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* uint8_t tradeable;// 02 is tradeable, normal 00
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* uint16_t tid;
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* uint16_t sid;
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* uint32_t name1;
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* uint32_t name2;
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* uint32_t name3;
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* uint32_t name4;
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*/
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var pkCountOffset = ReadInt32BigEndian(Data.AsSpan(0x34)) + 4;
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SlotCount = ReadInt32BigEndian(Data.AsSpan(pkCountOffset));
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BoxCount = (int)Math.Ceiling((decimal)SlotCount / SlotsPerBox);
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Box = pkCountOffset + 4;
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FinalCountOffset = ReadInt32BigEndian(Data.AsSpan(0x3C));
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FinalCount = ReadInt32BigEndian(Data.AsSpan(FinalCountOffset));
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}
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private readonly int FinalCount;
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private readonly int FinalCountOffset;
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protected override void SetChecksums()
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{
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// ensure the final data is written if the user screws stuff up
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WriteInt32BigEndian(Data.AsSpan(FinalCountOffset), FinalCount);
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var goodlen = (FinalCountOffset + 4);
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Array.Clear(Data, goodlen, Data.Length - goodlen);
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// 20 byte SHA checksum at the top of the file, which covers all data that follows.
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using var hash = SHA1.Create();
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var result = hash.ComputeHash(Data, 20, Data.Length - 20);
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SetData(result, 0);
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}
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public override string GetString(ReadOnlySpan<byte> data) => StringConverter4GC.GetStringUnicode(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 StringConverter4GC.SetStringUnicode(value, destBuffer, maxLength, option);
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}
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}
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