mirror of
https://github.com/kwsch/PKHeX
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3c232505e5
In this pull request I've changed a ton of method signatures to reflect the more-narrow types of Species, Move# and Form; additionally, I've narrowed other large collections that stored lists of species / permitted values, and reworked them to be more performant with the latest API spaghetti that PKHeX provides. Roamer met locations, usually in a range of [max-min]<64, can be quickly checked using a bitflag operation on a UInt64. Other collections (like "Is this from Colosseum or XD") were eliminated -- shadow state is not transferred COLO<->XD, so having a Shadow ID or matching the met location from a gift/wild encounter is a sufficient check for "originated in XD".
58 lines
2 KiB
C#
58 lines
2 KiB
C#
namespace PKHeX.Core;
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/// <summary>
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/// Indicates or coerces values pertaining to <see cref="Species.Wurmple"/> and its branched evolutions.
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/// </summary>
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public static class WurmpleUtil
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{
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/// <summary>
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/// Gets the Wurmple Evolution Value for a given <see cref="PKM.EncryptionConstant"/>
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/// </summary>
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/// <param name="encryptionConstant">Encryption Constant</param>
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/// <returns>Wurmple Evolution Value</returns>
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public static uint GetWurmpleEvoVal(uint encryptionConstant)
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{
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var evoVal = encryptionConstant >> 16;
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return evoVal % 10 / 5;
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}
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/// <summary>
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/// Gets the evo chain of Wurmple
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/// </summary>
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/// <param name="species">Current species</param>
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/// <returns>-1 if not a Wurmple Evo, 0 if Silcoon chain, 1 if Cascoon chain</returns>
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public static int GetWurmpleEvoGroup(ushort species)
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{
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int wIndex = species - (int)Species.Silcoon;
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if ((wIndex & 3) != wIndex) // Wurmple evo, [0,3]
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return -1;
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return wIndex >> 1; // Silcoon, Cascoon
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}
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/// <summary>
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/// Gets the Wurmple <see cref="PKM.EncryptionConstant"/> for a given Evolution Value
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/// </summary>
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/// <param name="evoVal">Wurmple Evolution Value</param>
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/// <remarks>0 = Silcoon, 1 = Cascoon</remarks>
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/// <returns>Encryption Constant</returns>
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public static uint GetWurmpleEncryptionConstant(int evoVal)
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{
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uint result;
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var rnd = Util.Rand;
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do result = rnd.Rand32();
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while (evoVal != GetWurmpleEvoVal(result));
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return result;
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}
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/// <summary>
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/// Checks to see if the input <see cref="pk"/>, with species being that of Wurmple's evo chain, is valid.
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/// </summary>
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/// <param name="pk">Pokémon data</param>
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/// <returns>True if valid, false if invalid</returns>
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public static bool IsWurmpleEvoValid(PKM pk)
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{
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uint evoVal = GetWurmpleEvoVal(pk.EncryptionConstant);
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int wIndex = GetWurmpleEvoGroup(pk.Species);
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return evoVal == wIndex;
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}
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}
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