mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-30 07:50:32 +00:00
47071b41f3
Existing `get`/`set` logic is flawed in that it doesn't work on Big Endian operating systems, and it allocates heap objects when it doesn't need to. `System.Buffers.Binary.BinaryPrimitives` in the `System.Memory` NuGet package provides both Little Endian and Big Endian methods to read and write data; all the `get`/`set` operations have been reworked to use this new API. This removes the need for PKHeX's manual `BigEndian` class, as all functions are already covered by the BinaryPrimitives API. The `StringConverter` has now been rewritten to accept a Span to read from & write to, no longer requiring a temporary StringBuilder. Other Fixes included: - The Super Training UI for Gen6 has been reworked according to the latest block structure additions. - Cloning a Stadium2 Save File now works correctly (opening from the Folder browser list). - Checksum & Sanity properties removed from parent PKM class, and is now implemented via interface.
100 lines
3.8 KiB
C#
100 lines
3.8 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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{
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// anatomy of a QR7:
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// u32 magic; // POKE
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// u32 _0xFF;
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// u32 box;
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// u32 slot;
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// u32 num_copies;
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// u8 reserved[0x1C];
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// u8 ek7[0x104];
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// u8 dex_data[0x60];
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// u16 crc16
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// sizeof(QR7) == 0x1A2
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/// <summary>
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/// Generation 7 QR format (readable by the in-game QR Scanner feature)
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/// </summary>
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public static class QR7
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{
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private static readonly HashSet<int> GenderDifferences = new()
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{
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003, 012, 019, 020, 025, 026, 041, 042, 044, 045,
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064, 065, 084, 085, 097, 111, 112, 118, 119, 123,
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129, 130, 154, 165, 166, 178, 185, 186, 190, 194,
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195, 198, 202, 203, 207, 208, 212, 214, 215, 217,
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221, 224, 229, 232, 255, 256, 257, 267, 269, 272,
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274, 275, 307, 308, 315, 316, 317, 322, 323, 332,
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350, 369, 396, 397, 398, 399, 400, 401, 402, 403,
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404, 405, 407, 415, 417, 418, 419, 424, 443, 444,
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445, 449, 450, 453, 454, 456, 457, 459, 460, 461,
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464, 465, 473, 521, 592, 593, 668, 678,
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};
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private static readonly byte[] BaseQR =
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{
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD2, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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private static byte[] GetRawQR(int species, int form, bool shiny, int gender)
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{
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var basedata = (byte[])BaseQR.Clone();
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WriteUInt16LittleEndian(basedata.AsSpan(0x28), (ushort)species);
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var pi = PersonalTable.USUM.GetFormEntry(species, form);
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bool biGender = false;
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if (pi.OnlyMale)
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gender = 0;
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else if (pi.OnlyFemale)
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gender = 1;
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else if (pi.Genderless)
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gender = 2;
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else
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biGender = !GenderDifferences.Contains(species);
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basedata[0x2A] = (byte)form;
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basedata[0x2B] = (byte)gender;
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basedata[0x2C] = shiny ? (byte)1 : (byte)0;
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basedata[0x2D] = biGender ? (byte)1 : (byte)0;
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return basedata;
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}
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public static byte[] GenerateQRData(PK7 pk7, int box = 0, int slot = 0, int num_copies = 1)
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{
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if (box > 31)
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box = 31;
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if (slot > 29)
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slot = 29;
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if (box < 0)
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box = 0;
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if (slot < 0)
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slot = 0;
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if (num_copies < 0)
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num_copies = 1;
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byte[] data = new byte[0x1A2];
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var span = data.AsSpan();
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WriteUInt32LittleEndian(span, 0x454B4F50); // POKE magic
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data[0x4] = 0xFF; // QR Type
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WriteInt32LittleEndian(span[0x08..], box);
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WriteInt32LittleEndian(span[0x0C..], slot);
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WriteInt32LittleEndian(span[0x10..], num_copies); // No need to check max num_copies, payload parser handles it on-console.
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pk7.EncryptedPartyData.CopyTo(span[0x30..]); // Copy in pokemon data
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GetRawQR(pk7.Species, pk7.Form, pk7.IsShiny, pk7.Gender).CopyTo(span[0x140..]);
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var chk = Checksums.CRC16Invert(span[..0x1A0]);
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WriteUInt16LittleEndian(span[0x1A0..], chk);
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return data;
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}
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}
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}
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