mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-26 22:10:21 +00:00
d47bb1d297
With the new version of Visual Studio bringing C# 12, we can revise our logic for better readability as well as use new methods/APIs introduced in the .NET 8.0 BCL.
75 lines
2.2 KiB
C#
75 lines
2.2 KiB
C#
using System;
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namespace PKHeX.Core;
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/// <summary>
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/// Logic for MYSTRY Mew origins.
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/// </summary>
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public static class MystryMew
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{
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private static ReadOnlySpan<ushort> Seeds =>
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[
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0x0652, 0x0932, 0x0C13, 0x0D43, 0x0EEE,
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0x1263, 0x13C9, 0x1614, 0x1C09, 0x1EA5,
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0x20BF, 0x2389, 0x2939, 0x302D, 0x306E,
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0x34F3, 0x45F3, 0x46CE, 0x4A0D, 0x4B63,
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0x4C79, 0x508E, 0x50AB, 0x5240, 0x5327,
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0x56BA, 0x56CC, 0x5841, 0x5A60, 0x5BC1,
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0x5E2B, 0x5EF3, 0x6065, 0x643F, 0x6457,
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0x67A3, 0x6944, 0x6E06, 0x6E62, 0x7667,
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0x77EF, 0x78D2, 0x8655, 0x8A92, 0x8B48,
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0x93D0, 0x941D, 0x95A0, 0x967D, 0x9690,
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0x9C37, 0x9C40, 0x9D9C, 0x9DE4, 0x9E86,
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0xA153, 0xA443, 0xA8AC, 0xAC08, 0xAFFB,
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0xB1F2, 0xB831, 0xBE96, 0xC2D4, 0xC385,
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0xC6CE, 0xC92C, 0xC953, 0xC962, 0xCC43,
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0xCD47, 0xCD96, 0xD1E4, 0xDFED, 0xE62C,
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0xE6CC, 0xE90A, 0xE95D, 0xE991, 0xEBB2,
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0xEE7F, 0xEE9F, 0xEFC8, 0xF0E4, 0xFE4E,
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0xFE9D,
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];
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//private const int FramesPerMew = 5;
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private const int MewPerRestrictedSeed = 5;
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/// <summary>
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/// Gets a random valid seed based on the input <see cref="random"/> value.
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/// </summary>
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public static uint GetSeed(uint random, PIDType type = PIDType.BACD_U)
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{
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var seeds = Seeds;
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uint restricted = random % (uint)seeds.Length;
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var seed = (uint)seeds[(int)restricted];
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if (type == PIDType.BACD_R)
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return seed;
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uint position = (random % (MewPerRestrictedSeed - 1)) + 1;
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for (uint i = 0; i < position; i++)
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seed = LCRNG.Next5(seed);
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return seed;
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}
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/// <summary>
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/// Checks if the seed is a known seed.
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/// </summary>
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/// <param name="seed">Origin seed (for the PID/IV)</param>
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public static int GetSeedIndex(uint seed)
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{
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var seeds = Seeds;
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if (seed <= ushort.MaxValue)
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return seeds.BinarySearch((ushort)seed);
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for (int i = 0; i < 5; i++)
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{
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seed = LCRNG.Prev5(seed);
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if (seed <= ushort.MaxValue)
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return seeds.BinarySearch((ushort)seed);
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}
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return -1;
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}
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}
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