mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-27 06:20:25 +00:00
b536388d0d
Add xmldoc Simplify some casts Demote priority of Gen2 event yielding Remove old EncounterMatchUtil code Repoint DateTime.Now to console specific date provider stubs
583 lines
20 KiB
C#
583 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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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 abstract <see cref="SaveFile"/> object.
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/// </summary>
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/// <remarks>
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/// Storage data is stored in one contiguous block, and the remaining data is stored in another block.
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/// </remarks>
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public abstract class SAV4 : SaveFile, IEventFlag37
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{
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protected internal override string ShortSummary => $"{OT} ({Version}) - {PlayTimeString}";
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public sealed override string Extension => ".sav";
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// Blocks & Offsets
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private const int PartitionSize = 0x40000;
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// SaveData is chunked into two pieces.
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private readonly Memory<byte> StorageBuffer;
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protected internal readonly Memory<byte> GeneralBuffer;
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protected Span<byte> Storage => StorageBuffer.Span;
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public Span<byte> General => GeneralBuffer.Span;
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protected sealed override Span<byte> BoxBuffer => Storage;
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protected sealed override Span<byte> PartyBuffer => General;
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public abstract Zukan4 Dex { get; }
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protected abstract int EventFlag { get; }
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protected abstract int EventWork { get; }
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public sealed override bool GetFlag(int offset, int bitIndex) => FlagUtil.GetFlag(General, offset, bitIndex);
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public sealed override void SetFlag(int offset, int bitIndex, bool value) => FlagUtil.SetFlag(General, offset, bitIndex, value);
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protected SAV4(int gSize, int sSize)
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{
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GeneralBuffer = new byte[gSize];
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StorageBuffer = new byte[sSize];
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ClearBoxes();
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}
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protected SAV4(byte[] data, int gSize, int sSize, int sStart) : base(data)
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{
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var GeneralBlockPosition = GetActiveBlock(data, 0, gSize);
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var StorageBlockPosition = GetActiveBlock(data, sStart, sSize);
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var gbo = (GeneralBlockPosition == 0 ? 0 : PartitionSize);
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var sbo = (StorageBlockPosition == 0 ? 0 : PartitionSize) + sStart;
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GeneralBuffer = Data.AsMemory(gbo, gSize);
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StorageBuffer = Data.AsMemory(sbo, sSize);
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}
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// Configuration
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protected sealed override SAV4 CloneInternal()
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{
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var sav = CloneInternal4();
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SetData(sav.General, General);
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SetData(sav.Storage, Storage);
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return sav;
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}
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protected abstract SAV4 CloneInternal4();
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public sealed override void CopyChangesFrom(SaveFile sav)
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{
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SetData(sav.Data, 0);
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var s4 = (SAV4)sav;
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SetData(General, s4.General);
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SetData(Storage, s4.Storage);
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}
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protected sealed override int SIZE_STORED => PokeCrypto.SIZE_4STORED;
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protected sealed override int SIZE_PARTY => PokeCrypto.SIZE_4PARTY;
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public sealed override PK4 BlankPKM => new();
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public sealed override Type PKMType => typeof(PK4);
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public sealed override int BoxCount => 18;
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public sealed override int MaxEV => 255;
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public sealed override int Generation => 4;
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public override EntityContext Context => EntityContext.Gen4;
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public int EventFlagCount => 0xB60; // 2912
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public int EventWorkCount => (EventFlag - EventWork) >> 1;
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protected sealed override int GiftCountMax => 11;
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public sealed override int MaxStringLengthOT => 7;
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public sealed override int MaxStringLengthNickname => 10;
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public sealed override int MaxMoney => 999999;
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public sealed override int MaxCoins => 50_000;
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public sealed override ushort MaxMoveID => Legal.MaxMoveID_4;
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public sealed override ushort MaxSpeciesID => Legal.MaxSpeciesID_4;
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// MaxItemID
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public sealed override int MaxAbilityID => Legal.MaxAbilityID_4;
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public sealed override int MaxBallID => Legal.MaxBallID_4;
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public sealed override int MaxGameID => Legal.MaxGameID_4; // Colo/XD
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// Checksums
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protected abstract int FooterSize { get; }
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private ushort CalcBlockChecksum(ReadOnlySpan<byte> data) => Checksums.CRC16_CCITT(data[..^FooterSize]);
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private static ushort GetBlockChecksumSaved(ReadOnlySpan<byte> data) => ReadUInt16LittleEndian(data[^2..]);
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private bool GetBlockChecksumValid(ReadOnlySpan<byte> data) => CalcBlockChecksum(data) == GetBlockChecksumSaved(data);
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protected sealed override void SetChecksums()
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{
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WriteUInt16LittleEndian(General[^2..], CalcBlockChecksum(General));
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WriteUInt16LittleEndian(Storage[^2..], CalcBlockChecksum(Storage));
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}
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public sealed override bool ChecksumsValid
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{
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get
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{
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if (!GetBlockChecksumValid(General))
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return false;
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if (!GetBlockChecksumValid(Storage))
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return false;
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return true;
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}
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}
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public sealed override string ChecksumInfo
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{
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get
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{
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var list = new List<string>();
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if (!GetBlockChecksumValid(General))
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list.Add("Small block checksum is invalid");
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if (!GetBlockChecksumValid(Storage))
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list.Add("Large block checksum is invalid");
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return list.Count != 0 ? string.Join(Environment.NewLine, list) : "Checksums are valid.";
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}
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}
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private static int GetActiveBlock(ReadOnlySpan<byte> data, [ConstantExpected(Min = 0)] int begin, [ConstantExpected(Min = 0)] int length)
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{
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int offset = begin + length - 0x14;
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return SAV4BlockDetection.CompareFooters(data, offset, offset + PartitionSize);
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}
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protected int WondercardFlags = int.MinValue;
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protected int AdventureInfo = int.MinValue;
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protected int Seal = int.MinValue;
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public int Geonet = int.MinValue;
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protected int Trainer1;
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public int GTS { get; protected set; } = int.MinValue;
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// Storage
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public override int PartyCount
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{
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get => General[Party - 4];
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protected set => General[Party - 4] = (byte)value;
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}
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public sealed override int GetPartyOffset(int slot) => Party + (SIZE_PARTY * slot);
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// Trainer Info
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public override string OT
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{
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get => GetString(General.Slice(Trainer1, 16));
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set => SetString(General.Slice(Trainer1, 16), value, MaxStringLengthOT, StringConverterOption.ClearZero);
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}
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public override uint ID32
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{
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get => ReadUInt32LittleEndian(General[(Trainer1 + 0x10)..]);
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set => WriteUInt32LittleEndian(General[(Trainer1 + 0x10)..], value);
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}
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public override ushort TID16
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{
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get => ReadUInt16LittleEndian(General[(Trainer1 + 0x10)..]);
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set => WriteUInt16LittleEndian(General[(Trainer1 + 0x10)..], value);
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}
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public override ushort SID16
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{
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get => ReadUInt16LittleEndian(General[(Trainer1 + 0x12)..]);
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set => WriteUInt16LittleEndian(General[(Trainer1 + 0x12)..], value);
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}
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public override uint Money
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{
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get => ReadUInt32LittleEndian(General[(Trainer1 + 0x14)..]);
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set => WriteUInt32LittleEndian(General[(Trainer1 + 0x14)..], value);
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}
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public override int Gender
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{
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get => General[Trainer1 + 0x18];
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set => General[Trainer1 + 0x18] = (byte)value;
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}
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public override int Language
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{
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get => General[Trainer1 + 0x19];
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set => General[Trainer1 + 0x19] = (byte)value;
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}
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public int Badges
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{
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get => General[Trainer1 + 0x1A];
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set { if (value < 0) return; General[Trainer1 + 0x1A] = (byte)value; }
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}
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public int Sprite
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{
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get => General[Trainer1 + 0x1B];
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set { if (value < 0) return; General[Trainer1 + 0x1B] = (byte)value; }
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}
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public uint Coin
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{
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get => ReadUInt16LittleEndian(General[(Trainer1 + 0x20)..]);
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set => WriteUInt16LittleEndian(General[(Trainer1 + 0x20)..], (ushort)value);
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}
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public override int PlayedHours
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{
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get => ReadUInt16LittleEndian(General[(Trainer1 + 0x22)..]);
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set => WriteUInt16LittleEndian(General[(Trainer1 + 0x22)..], (ushort)value);
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}
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public override int PlayedMinutes
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{
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get => General[Trainer1 + 0x24];
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set => General[Trainer1 + 0x24] = (byte)value;
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}
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public override int PlayedSeconds
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{
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get => General[Trainer1 + 0x25];
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set => General[Trainer1 + 0x25] = (byte)value;
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}
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public abstract int M { get; set; }
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public abstract int X { get; set; }
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public abstract int Y { get; set; }
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public string Rival
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{
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get => GetString(Rival_Trash);
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set => SetString(Rival_Trash, value, MaxStringLengthOT, StringConverterOption.ClearZero);
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}
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public abstract Span<byte> Rival_Trash { get; set; }
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public abstract int X2 { get; set; }
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public abstract int Y2 { get; set; }
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public abstract int Z { get; set; }
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public override uint SecondsToStart { get => ReadUInt32LittleEndian(General[(AdventureInfo + 0x34)..]); set => WriteUInt32LittleEndian(General[(AdventureInfo + 0x34)..], value); }
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public override uint SecondsToFame { get => ReadUInt32LittleEndian(General[(AdventureInfo + 0x3C)..]); set => WriteUInt32LittleEndian(General[(AdventureInfo + 0x3C)..], value); }
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public bool GeonetGlobalFlag { get => General[Geonet] != 0; set => General[Geonet] = (byte)(value ? 1 : 0); }
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public int Country
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{
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get => General[Geonet + 1];
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set { if (value < 0) return; General[Geonet + 1] = (byte)value; }
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}
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public int Region
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{
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get => General[Geonet + 2];
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set { if (value < 0) return; General[Geonet + 2] = (byte)value; }
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}
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protected sealed override PK4 GetPKM(byte[] data) => new(data);
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protected sealed override byte[] DecryptPKM(byte[] data) => PokeCrypto.DecryptArray45(data);
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protected sealed override void SetPKM(PKM pk, bool isParty = false)
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{
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var pk4 = (PK4)pk;
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// Apply to this Save File
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var now = EncounterDate.GetDateNDS();
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if (pk4.Trade(OT, ID32, Gender, now.Day, now.Month, now.Year))
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pk.RefreshChecksum();
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}
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// Daycare
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public override int GetDaycareSlotOffset(int loc, int slot) => DaycareOffset + (slot * SIZE_PARTY);
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public override uint? GetDaycareEXP(int loc, int slot)
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{
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int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
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return ReadUInt32LittleEndian(General[ofs..]);
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}
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public override bool? IsDaycareOccupied(int loc, int slot) => null; // todo
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public override void SetDaycareEXP(int loc, int slot, uint EXP)
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{
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int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
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WriteUInt32LittleEndian(General[ofs..], EXP);
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}
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public override void SetDaycareOccupied(int loc, int slot, bool occupied)
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{
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// todo
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}
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// Mystery Gift
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private bool MysteryGiftActive { get => (General[72] & 1) == 1; set => General[72] = (byte)((General[72] & 0xFE) | (value ? 1 : 0)); }
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private static bool IsMysteryGiftAvailable(DataMysteryGift[] value)
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{
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for (int i = 0; i < 8; i++) // 8 PGT
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{
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if (value[i] is PGT {CardType: not 0})
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return true;
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}
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for (int i = 8; i < 11; i++) // 3 PCD
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{
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if (value[i] is PCD {Gift.CardType: not 0 })
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return true;
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}
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return false;
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}
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private bool MatchMysteryGifts(DataMysteryGift[] value, Span<byte> indexes)
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{
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for (int i = 0; i < 8; i++)
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{
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if (value[i] is not PGT pgt)
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continue;
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if (pgt.CardType == 0) // empty
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{
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indexes[i] = pgt.Slot = 0;
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continue;
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}
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indexes[i] = pgt.Slot = 3;
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for (byte j = 0; j < 3; j++)
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{
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if (value[8 + j] is not PCD pcd)
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continue;
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// Check if data matches (except Slot @ 0x02)
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if (!pcd.GiftEquals(pgt))
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continue;
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if (this is SAV4HGSS)
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j++; // hgss 0,1,2; dppt 1,2,3
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indexes[i] = pgt.Slot = j;
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break;
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}
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}
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return true;
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}
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public override MysteryGiftAlbum GiftAlbum
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{
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get => new(MysteryGiftCards, MysteryGiftReceivedFlags) {Flags = {[2047] = false}};
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set
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{
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bool available = IsMysteryGiftAvailable(value.Gifts);
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if (available && !MysteryGiftActive)
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MysteryGiftActive = true;
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value.Flags[2047] = available;
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// Check encryption for each gift (decrypted wc4 sneaking in)
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foreach (var g in value.Gifts)
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{
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if (g is PGT pgt)
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{
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pgt.VerifyPKEncryption();
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}
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else if (g is PCD pcd)
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{
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var dg = pcd.Gift;
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if (dg.VerifyPKEncryption())
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pcd.Gift = dg; // set encrypted gift back to PCD.
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}
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}
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MysteryGiftReceivedFlags = value.Flags;
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MysteryGiftCards = value.Gifts;
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}
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}
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protected sealed override bool[] MysteryGiftReceivedFlags
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{
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get
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{
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bool[] result = new bool[GiftFlagMax];
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for (int i = 0; i < result.Length; i++)
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result[i] = ((General[WondercardFlags + (i >> 3)] >> (i & 7)) & 0x1) == 1;
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return result;
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}
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set
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{
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if (GiftFlagMax != value.Length)
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return;
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Span<byte> data = General.Slice(WondercardFlags, value.Length / 8);
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data.Clear();
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for (int i = 0; i < value.Length; i++)
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{
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if (value[i])
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data[i >> 3] |= (byte)(1 << (i & 7));
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}
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}
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}
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protected sealed override DataMysteryGift[] MysteryGiftCards
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{
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get
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{
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int pcd = this is SAV4HGSS ? 4 : 3;
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DataMysteryGift[] cards = new DataMysteryGift[8 + pcd];
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for (int i = 0; i < 8; i++) // 8 PGT
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cards[i] = new PGT(General.Slice(WondercardData + (i * PGT.Size), PGT.Size).ToArray());
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for (int i = 8; i < 11; i++) // 3 PCD
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cards[i] = new PCD(General.Slice(WondercardData + (8 * PGT.Size) + ((i-8) * PCD.Size), PCD.Size).ToArray());
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if (this is SAV4HGSS hgss)
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cards[^1] = hgss.LockCapsuleSlot;
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return cards;
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}
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set
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{
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Span<byte> indexes = stackalloc byte[8];
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bool matchAny = MatchMysteryGifts(value, indexes); // automatically applied
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if (!matchAny)
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return;
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for (int i = 0; i < 8; i++) // 8 PGT
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{
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if (value[i] is PGT)
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{
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var ofs = (WondercardData + (i * PGT.Size));
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SetData(General[ofs..], value[i].Data);
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}
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}
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for (int i = 8; i < 11; i++) // 3 PCD
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{
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if (value[i] is PCD)
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{
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var ofs = (WondercardData + (8 * PGT.Size) + ((i - 8) * PCD.Size));
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SetData(General[ofs..], value[i].Data);
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}
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}
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if (this is SAV4HGSS hgss && value.Length >= 11 && value[^1] is PCD capsule)
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hgss.LockCapsuleSlot = capsule;
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}
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}
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protected sealed override void SetDex(PKM pk) => Dex.SetDex(pk);
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public sealed override bool GetCaught(ushort species) => Dex.GetCaught(species);
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public sealed override bool GetSeen(ushort species) => Dex.GetSeen(species);
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public int DexUpgraded
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{
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get
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{
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switch (Version)
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{
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case GameVersion.DP:
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if (General[0x1413] != 0) return 4;
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if (General[0x1415] != 0) return 3;
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if (General[0x1404] != 0) return 2;
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if (General[0x1414] != 0) return 1;
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return 0;
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case GameVersion.HGSS:
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if (General[0x15ED] != 0) return 3;
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if (General[0x15EF] != 0) return 2;
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if (General[0x15EE] != 0 && (General[0x10D1] & 8) != 0) return 1;
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return 0;
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case GameVersion.Pt:
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if (General[0x1641] != 0) return 4;
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if (General[0x1643] != 0) return 3;
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if (General[0x1640] != 0) return 2;
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if (General[0x1642] != 0) return 1;
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return 0;
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default: return 0;
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}
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}
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set
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{
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switch (Version)
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{
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case GameVersion.DP:
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General[0x1413] = value == 4 ? (byte)1 : (byte)0;
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General[0x1415] = value >= 3 ? (byte)1 : (byte)0;
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General[0x1404] = value >= 2 ? (byte)1 : (byte)0;
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General[0x1414] = value >= 1 ? (byte)1 : (byte)0;
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break;
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case GameVersion.HGSS:
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General[0x15ED] = value == 3 ? (byte)1 : (byte)0;
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General[0x15EF] = value >= 2 ? (byte)1 : (byte)0;
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General[0x15EE] = value >= 1 ? (byte)1 : (byte)0;
|
|
General[0x10D1] = (byte)((General[0x10D1] & ~8) | (value >= 1 ? 8 : 0));
|
|
break;
|
|
case GameVersion.Pt:
|
|
General[0x1641] = value == 4 ? (byte)1 : (byte)0;
|
|
General[0x1643] = value >= 3 ? (byte)1 : (byte)0;
|
|
General[0x1640] = value >= 2 ? (byte)1 : (byte)0;
|
|
General[0x1642] = value >= 1 ? (byte)1 : (byte)0;
|
|
break;
|
|
default: return;
|
|
}
|
|
}
|
|
}
|
|
|
|
public sealed override string GetString(ReadOnlySpan<byte> data) => StringConverter4.GetString(data);
|
|
|
|
public sealed override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
|
|
{
|
|
return StringConverter4.SetString(destBuffer, value, maxLength, option);
|
|
}
|
|
|
|
#region Event Flag/Event Work
|
|
public bool GetEventFlag(int flagNumber)
|
|
{
|
|
if ((uint)flagNumber >= EventFlagCount)
|
|
throw new ArgumentOutOfRangeException(nameof(flagNumber), $"Event Flag to get ({flagNumber}) is greater than max ({EventFlagCount}).");
|
|
return GetFlag(EventFlag + (flagNumber >> 3), flagNumber & 7);
|
|
}
|
|
|
|
public void SetEventFlag(int flagNumber, bool value)
|
|
{
|
|
if ((uint)flagNumber >= EventFlagCount)
|
|
throw new ArgumentOutOfRangeException(nameof(flagNumber), $"Event Flag to set ({flagNumber}) is greater than max ({EventFlagCount}).");
|
|
SetFlag(EventFlag + (flagNumber >> 3), flagNumber & 7, value);
|
|
}
|
|
|
|
public ushort GetWork(int index) => ReadUInt16LittleEndian(General[(EventWork + (index * 2))..]);
|
|
public void SetWork(int index, ushort value) => WriteUInt16LittleEndian(General[EventWork..][(index * 2)..], value);
|
|
#endregion
|
|
|
|
// Seals
|
|
private const byte SealMaxCount = 99;
|
|
|
|
public Span<byte> GetSealCase() => General.Slice(Seal, (int)Seal4.MAX);
|
|
public void SetSealCase(ReadOnlySpan<byte> value) => SetData(General.Slice(Seal, (int)Seal4.MAX), value);
|
|
|
|
public byte GetSealCount(Seal4 id) => General[Seal + (int)id];
|
|
public byte SetSealCount(Seal4 id, byte count) => General[Seal + (int)id] = Math.Min(SealMaxCount, count);
|
|
|
|
public void SetAllSeals(byte count, bool unreleased = false)
|
|
{
|
|
var sealIndexCount = (int)(unreleased ? Seal4.MAX : Seal4.MAXLEGAL);
|
|
var clamped = Math.Min(count, SealMaxCount);
|
|
for (int i = 0; i < sealIndexCount; i++)
|
|
General[Seal + i] = clamped;
|
|
}
|
|
|
|
public int GetMailOffset(int index)
|
|
{
|
|
int ofs = (index * Mail4.SIZE);
|
|
return Version switch
|
|
{
|
|
GameVersion.DP => (ofs + 0x4BEC),
|
|
GameVersion.Pt => (ofs + 0x4E80),
|
|
_ => (ofs + 0x3FA8),
|
|
};
|
|
}
|
|
|
|
public byte[] GetMailData(int ofs) => General.Slice(ofs, Mail4.SIZE).ToArray();
|
|
|
|
public Mail4 GetMail(int mailIndex)
|
|
{
|
|
int ofs = GetMailOffset(mailIndex);
|
|
return new Mail4(GetMailData(ofs), ofs);
|
|
}
|
|
|
|
public abstract uint SwarmSeed { get; set; }
|
|
public abstract uint SwarmMaxCountModulo { get; }
|
|
|
|
public uint SwarmIndex
|
|
{
|
|
get => SwarmSeed % SwarmMaxCountModulo;
|
|
set
|
|
{
|
|
value %= SwarmMaxCountModulo;
|
|
while (SwarmIndex != value)
|
|
++SwarmSeed;
|
|
}
|
|
}
|
|
}
|