mirror of
https://github.com/kwsch/PKHeX
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768047cd80
* Rewrite ribbon verification * Explicitly verifies all ribbons instead of chained iterators. * Verifies using only the stack, using `struct` and `Span<T>`. No allocation on heap, or `IEnumerable` iterators. * Verifies all egg ribbons using a separate method, explicitly implemented. No reflection overhead. * Separates each ribbon interface to separate `static` classes. Easier to identify code needing change on new game update. * Extracted logic for specific ribbons. Can easily revise complicated ribbon's acquisition rules. * Simplifies GiveAll/RemoveAll legal ribbon mutations. No reflection overhead, and no allocation. * Can be expanded in the future if we need to track conditions for ribbon acquisition (was Sinnoh Champ received in BDSP or Gen4?) End result is a more performant implementation and easier to maintain & reuse logic.
64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
using System;
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using static PKHeX.Core.RibbonParseFlags;
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namespace PKHeX.Core;
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public readonly record struct RibbonResult
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{
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private readonly byte Value;
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private readonly RibbonParseFlags Flags;
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/// <summary>
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/// True: ribbon is missing -- should have the ribbon.
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/// False: ribbon is invalid -- should not have the ribbon.
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/// </summary>
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public bool IsMissing => (Flags & Missing) != 0;
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private RibbonParseFlags Type => Flags & ~Missing;
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public RibbonResult(RibbonIndex index, bool missing = false) { Value = (byte)index; Flags = missing ? MissingM : Mainline; }
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public RibbonResult(RibbonIndex3 index, bool missing = false) { Value = (byte)index; Flags = missing ? Missing3 : Index3; }
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public RibbonResult(RibbonIndex4 index, bool missing = false) { Value = (byte)index; Flags = missing ? Missing4 : Index4; }
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public bool Equals(RibbonIndex index) => Type == Mainline && Value == (byte)index;
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public bool Equals(RibbonIndex3 index) => Type == Index3 && Value == (byte)index;
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public bool Equals(RibbonIndex4 index) => Type == Index4 && Value == (byte)index;
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/// <summary>
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/// Property Name that the ribbon can be get/set with, or looked up for localization.
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/// </summary>
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public string PropertyName => Type switch
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{
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Mainline => ((RibbonIndex)Value).GetPropertyName(),
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Index3 => ((RibbonIndex3)Value).GetPropertyName(),
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Index4 => ((RibbonIndex4)Value).GetPropertyName(),
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_ => throw new ArgumentOutOfRangeException(),
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};
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/// <summary>
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/// Updates the ribbon state depending on the <see cref="args"/> and <see cref="IsMissing"/> state.
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/// </summary>
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public void Fix(RibbonVerifierArguments args)
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{
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switch (Type)
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{
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case Mainline: ((RibbonIndex)Value).Fix(args, IsMissing); break;
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case Index3: ((RibbonIndex3)Value).Fix(args, IsMissing); break;
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case Index4: ((RibbonIndex4)Value).Fix(args, IsMissing); break;
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default: throw new ArgumentOutOfRangeException();
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}
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}
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}
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[Flags]
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public enum RibbonParseFlags : byte
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{
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None = 0,
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Mainline,
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Index3,
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Index4,
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Missing = 0x80,
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MissingM = Missing | Mainline,
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Missing3 = Missing | Index3,
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Missing4 = Missing | Index4,
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}
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