mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-20 01:13:17 +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.
81 lines
2.6 KiB
C#
81 lines
2.6 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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/// <inheritdoc cref="EncounterArea" />
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/// <summary>
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/// <see cref="GameVersion.Gen5"/> encounter area
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/// </summary>
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public sealed record EncounterArea5 : EncounterArea
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{
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public readonly EncounterSlot5[] Slots;
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protected override IReadOnlyList<EncounterSlot> Raw => Slots;
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public static EncounterArea5[] GetAreas(byte[][] input, GameVersion game)
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{
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var result = new EncounterArea5[input.Length];
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for (int i = 0; i < input.Length; i++)
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result[i] = new EncounterArea5(input[i], game);
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return result;
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}
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private EncounterArea5(ReadOnlySpan<byte> data, GameVersion game) : base(game)
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{
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Location = ReadUInt16LittleEndian(data);
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Type = (SlotType)data[2];
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Slots = ReadSlots(data);
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}
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private EncounterSlot5[] ReadSlots(ReadOnlySpan<byte> data)
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{
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const int size = 4;
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int count = (data.Length - 4) / size;
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var slots = new EncounterSlot5[count];
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for (int i = 0; i < slots.Length; i++)
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{
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int offset = 4 + (size * i);
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var entry = data.Slice(offset, size);
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slots[i] = ReadSlot(entry);
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}
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return slots;
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}
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private EncounterSlot5 ReadSlot(ReadOnlySpan<byte> entry)
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{
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ushort SpecForm = ReadUInt16LittleEndian(entry);
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int species = SpecForm & 0x3FF;
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int form = SpecForm >> 11;
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int min = entry[2];
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int max = entry[3];
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return new EncounterSlot5(this, species, form, min, max);
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}
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public override IEnumerable<EncounterSlot> GetMatchingSlots(PKM pkm, IReadOnlyList<EvoCriteria> chain)
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{
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foreach (var slot in Slots)
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{
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foreach (var evo in chain)
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{
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if (slot.Species != evo.Species)
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continue;
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if (!slot.IsLevelWithinRange(pkm.Met_Level))
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break;
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// Deerling and Sawsbuck can change forms when seasons change, thus can be any of the [0,3] form values.
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// no other wild forms can change
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if (slot.Form != evo.Form && slot.Species is not ((int)Species.Deerling or (int)Species.Sawsbuck))
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break;
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yield return slot;
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break;
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}
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}
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}
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}
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}
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