mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 04:23:12 +00:00
58 lines
2.2 KiB
C#
58 lines
2.2 KiB
C#
using System.Runtime.InteropServices;
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namespace PKHeX.Core;
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/// <summary>
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/// Stores details about a <see cref="PKM.EncryptionConstant"/> (PID) and any associated details being traced to a known correlation.
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/// </summary>
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[StructLayout(LayoutKind.Explicit, Size = 10)]
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public readonly struct PIDIV
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{
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internal static readonly PIDIV None = new();
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internal static readonly PIDIV CuteCharm = new(PIDType.CuteCharm); // can be one of many seeds!
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internal static readonly PIDIV Pokewalker = new(PIDType.Pokewalker);
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internal static readonly PIDIV G5MGShiny = new(PIDType.G5MGShiny);
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/// <summary>The RNG seed which immediately generates the PIDIV (starting with PID or IVs, whichever comes first)</summary>
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[field: FieldOffset(0)]
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public uint OriginSeed { get; }
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/// <summary>The RNG seed which starts the encounter generation routine.</summary>
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[field: FieldOffset(4)]
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public uint EncounterSeed { get; init; }
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/// <summary>The RNG seed which immediately generates the PIDIV (starting with PID or IVs, whichever comes first)</summary>
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[field: FieldOffset(0)]
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public ulong Seed64 { get; }
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/// <summary>Type of PIDIV correlation</summary>
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[field: FieldOffset(8)]
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public PIDType Type { get; }
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[field: FieldOffset(9)]
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public LeadRequired Lead { get; init; }
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public PIDIV(PIDType type, uint seed = 0)
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{
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Type = type;
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OriginSeed = seed;
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}
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public PIDIV(PIDType type, ulong seed)
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{
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Type = type;
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Seed64 = seed;
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}
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/// <remarks> Some PIDIVs may be generated without a single seed, but may follow a traceable pattern. </remarks>
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/// <summary> Indicates that there is no <see cref="OriginSeed"/> to refer to. </summary>
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public bool NoSeed => Type is PIDType.None or PIDType.Pokewalker or PIDType.G5MGShiny;
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#if DEBUG
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public override string ToString() => NoSeed ? Type.ToString() : $"{Type} - 0x{OriginSeed:X8}";
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#endif
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public bool IsClassicMethod() => Type.IsClassicMethod();
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public bool IsSeed64() => Type is PIDType.Xoroshiro;
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public PIDIV AsEncounteredVia(LeadSeed condition) => this with { Lead = condition.Lead, EncounterSeed = condition.Seed };
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}
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