mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-25 03:43:16 +00:00
9166d0eb64
Rewrites a good amount of legality APIs pertaining to: * Legal moves that can be learned * Evolution chains & cross-generation paths * Memory validation with forgotten moves In generation 8, there are 3 separate contexts an entity can exist in: SW/SH, BD/SP, and LA. Not every entity can cross between them, and not every entity from generation 7 can exist in generation 8 (Gogoat, etc). By creating class models representing the restrictions to cross each boundary, we are able to better track and validate data. The old implementation of validating moves was greedy: it would iterate for all generations and evolutions, and build a full list of every move that can be learned, storing it on the heap. Now, we check one game group at a time to see if the entity can learn a move that hasn't yet been validated. End result is an algorithm that requires 0 allocation, and a smaller/quicker search space. The old implementation of storing move parses was inefficient; for each move that was parsed, a new object is created and adjusted depending on the parse. Now, move parse results are `struct` and store the move parse contiguously in memory. End result is faster parsing and 0 memory allocation. * `PersonalTable` objects have been improved with new API methods to check if a species+form can exist in the game. * `IEncounterTemplate` objects have been improved to indicate the `EntityContext` they originate in (similar to `Generation`). * Some APIs have been extended to accept `Span<T>` instead of Array/IEnumerable
56 lines
2.4 KiB
C#
56 lines
2.4 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 7 <see cref="SaveFile"/> object that reads from Pokémon Bank savedata (stored on AWS).
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/// </summary>
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public sealed class Bank7 : BulkStorage
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{
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public Bank7(byte[] data, Type t, int start, int slotsPerBox = 30) : base(data, t, start, slotsPerBox) => Version = GameVersion.USUM;
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public override IPersonalTable Personal => PersonalTable.USUM;
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public override IReadOnlyList<ushort> HeldItems => Legal.HeldItems_SM;
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protected override SaveFile CloneInternal() => new Bank7((byte[])Data.Clone(), PKMType, BoxStart, SlotsPerBox);
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public override string PlayTimeString => $"{Year:00}{Month:00}{Day:00}_{Hours:00}ː{Minutes:00}";
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protected internal override string ShortSummary => PlayTimeString;
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private const int GroupNameSize = 0x20;
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private const int BankNameSize = 0x24;
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private const int GroupNameSpacing = GroupNameSize + 2;
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private const int BankNameSpacing = BankNameSize + 2;
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public ulong UID => ReadUInt64LittleEndian(Data.AsSpan(0));
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public string GetGroupName(int group)
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{
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if ((uint)group > 10)
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throw new ArgumentOutOfRangeException(nameof(group), $"{nameof(group)} must be 0-10.");
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int offset = 0x8 + (GroupNameSpacing * group) + 2; // skip over " "
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return GetString(offset, GroupNameSize / 2);
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}
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public override int BoxCount => BankCount;
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private int BankCount
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{
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get => Data[0x15E];
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set => Data[0x15E] = (byte)value;
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}
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private int Year => ReadUInt16LittleEndian(Data.AsSpan(0x160));
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private int Month => Data[0x162];
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private int Day => Data[0x163];
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private int Hours => Data[0x164];
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private int Minutes => Data[0x165];
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private int BoxDataSize => (SlotsPerBox * SIZE_STORED) + BankNameSpacing;
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public override int GetBoxOffset(int box) => Box + (BoxDataSize * box);
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public override string GetBoxName(int box) => GetString(GetBoxNameOffset(box), BankNameSize / 2);
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public int GetBoxNameOffset(int box) => GetBoxOffset(box) + (SlotsPerBox * SIZE_STORED);
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public int GetBoxIndex(int box) => ReadUInt16LittleEndian(Data.AsSpan(GetBoxNameOffset(box) + BankNameSize));
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private const int BoxStart = 0x17C;
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public static Bank7 GetBank7(byte[] data) => new(data, typeof(PK7), BoxStart);
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}
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