mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-24 19:33:10 +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.
84 lines
3.3 KiB
C#
84 lines
3.3 KiB
C#
using System;
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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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public sealed class SecretBase6Block : SaveBlock
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{
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public SecretBase6Block(SAV6AO sav, int offset) : base(sav) => Offset = offset;
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// structure: 0x7AD0 bytes total
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// [0000-031F] SecretBaseGoodStock[200] (800 bytes)
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// [0320-0321] u16 SecretBaseSelfLocation (-1 if not created)
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// [0322-0323] u16 alignment padding
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// [0324-0633] SecretBase6Self (0x310 bytes)
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// [0634-0637] alignment for next field
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// [0638-7A77] SecretBase6Other[30] (0x7440 bytes, 0x3E0 each)
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// each SecretBase6Other is a SecretBaseSelf followed by extra fields
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// [7A78-7AC7] u128[5] keys?
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// [7AC8.. ] u8 SecretBaseHasFlag
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public const int Count_Goods = 200;
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public const int Count_Goods_Used = 173;
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public SecretBase6GoodStock GetGood(int index) => new(Data.AsSpan(Offset + GetGoodOffset(index)));
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public void SetGood(SecretBase6GoodStock good, int index) => good.Write(Data.AsSpan(Offset + GetGoodOffset(index)));
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private static int GetGoodOffset(int index)
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{
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if ((uint) index >= Count_Goods)
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throw new ArgumentOutOfRangeException(nameof(index));
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return SecretBase6GoodStock.SIZE * index;
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}
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public void GiveAllGoods()
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{
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const uint value = 25u | (1 << 16); // count: 25, new flag.
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for (int i = 0; i < Count_Goods_Used; i++)
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WriteUInt32LittleEndian(Data.AsSpan(Offset + GetGoodOffset(i)), value);
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}
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public ushort SecretBaseSelfLocation
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{
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get => ReadUInt16LittleEndian(Data.AsSpan(Offset + 800));
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set => WriteUInt16LittleEndian(Data.AsSpan(Offset + 800), value);
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}
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public const int OtherSecretBaseCount = 30;
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private const int OtherSecretStart = 0x638;
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public SecretBase6 GetSecretBaseSelf() => new(Data, Offset + 0x324);
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public SecretBase6Other GetSecretBaseOther(int index) => new(Data, Offset + OtherSecretStart + GetSecretBaseOtherOffset(index));
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private static int GetSecretBaseOtherOffset(int index)
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{
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if ((uint) index >= OtherSecretBaseCount)
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throw new ArgumentOutOfRangeException(nameof(index));
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return SecretBase6Other.SIZE * index;
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}
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public bool SecretBaseHasFlag
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{
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get => Data[Offset + 0x7AC8] == 1;
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set => Data[Offset + 0x7AC8] = (byte) (value ? 1 : 0);
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}
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public void DeleteOther(int index)
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{
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int baseOffset = Offset + OtherSecretStart;
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const int maxBaseIndex = OtherSecretBaseCount - 1;
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const int size = SecretBase6Other.SIZE;
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int offset = baseOffset + GetSecretBaseOtherOffset(index);
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var arr = SAV.Data;
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if ((uint)index < OtherSecretBaseCount)
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{
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int shiftDownCount = maxBaseIndex - index;
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int shiftDownLength = size * shiftDownCount;
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Array.Copy(arr, offset + size, arr, offset, shiftDownLength);
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}
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// Ensure Last Entry is Cleared
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int lastBaseOffset = baseOffset + (size * maxBaseIndex);
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arr.AsSpan(lastBaseOffset, size).Fill(0);
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}
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}
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}
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