using System; namespace PKHeX.Core; /// /// Stores the possible evolution bounds for a parsed entity with respect to its origins and game traversal. /// public class EvolutionHistory { private static readonly EvoCriteria[] NONE = Array.Empty(); public EvoCriteria[] Gen1 = NONE; public EvoCriteria[] Gen2 = NONE; public EvoCriteria[] Gen3 = NONE; public EvoCriteria[] Gen4 = NONE; public EvoCriteria[] Gen5 = NONE; public EvoCriteria[] Gen6 = NONE; public EvoCriteria[] Gen7 = NONE; public EvoCriteria[] Gen7b = NONE; public EvoCriteria[] Gen8 = NONE; public EvoCriteria[] Gen8a => Gen8; // future: separate field instead of copy public EvoCriteria[] Gen8b => Gen8; // future: separate field instead of copy public readonly int Length; public readonly EvoCriteria[] FullChain; public EvolutionHistory(EvoCriteria[] fullChain, int count) { FullChain = fullChain; Length = count; } public ref EvoCriteria[] this[int index] { get { if (index == 1) return ref Gen1; if (index == 2) return ref Gen2; if (index == 3) return ref Gen3; if (index == 4) return ref Gen4; if (index == 5) return ref Gen5; if (index == 6) return ref Gen6; if (index == 7) return ref Gen7; if (index == 8) return ref Gen8; throw new IndexOutOfRangeException(nameof(index)); } } internal void Invalidate() => this[Length - 1] = NONE; public bool HasVisitedSWSH => Gen8.Length != 0; public bool HasVisitedPLA => Gen8a.Length != 0; public bool HasVisitedBDSP => Gen8b.Length != 0; }