mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 04:23:12 +00:00
95fbf66a6e
In addition to the Method 1 (and other sibling PIDIV types) correlation, an encounter can only be triggered if the calls prior land on the Method {1} seed. The RNG community has dubbed these patterns as "Method J" (D/P/Pt), "Method K" (HG/SS), and "Method H" (Gen3, coined by yours truly). The basic gist of these is that they are pre-requisites, like the Shadow locks of Colosseum/XD.
Rename/re-type a bunch of properties to get the codebase more in line with correct property names & more obvious underlying types.
87 lines
3.1 KiB
C#
87 lines
3.1 KiB
C#
using static PKHeX.Core.LegalityCheckStrings;
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namespace PKHeX.Core;
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/// <summary>
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/// Verifies the <see cref="PKM.Gender"/>.
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/// </summary>
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public sealed class GenderVerifier : Verifier
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{
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protected override CheckIdentifier Identifier => CheckIdentifier.Gender;
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public override void Verify(LegalityAnalysis data)
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{
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var pk = data.Entity;
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var pi = pk.PersonalInfo;
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if (pi.Genderless != (pk.Gender == 2))
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{
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// D/P/Pt & HG/SS Shedinja glitch -- only generation 4 spawns
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bool ignore = pk is { Format: 4, Species: (int)Species.Shedinja } && pk.MetLevel != pk.CurrentLevel;
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if (!ignore)
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data.AddLine(GetInvalid(LGenderInvalidNone));
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return;
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}
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// Check for PID relationship to Gender & Nature if applicable
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var gen = data.Info.Generation;
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if (gen is 3 or 4 or 5)
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{
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// Gender-PID & Nature-PID relationship check
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var result = IsValidGenderPID(data) ? GetValid(LPIDGenderMatch) : GetInvalid(LPIDGenderMismatch);
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data.AddLine(result);
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if (gen != 5)
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VerifyNaturePID(data);
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return;
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}
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// Check fixed gender cases
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if ((pi.OnlyFemale && pk.Gender != 1) || (pi.OnlyMale && pk.Gender != 0))
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data.AddLine(GetInvalid(LGenderInvalidNone));
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}
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private static void VerifyNaturePID(LegalityAnalysis data)
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{
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var pk = data.Entity;
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var result = GetExpectedNature(pk) == pk.Nature
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? GetValid(LPIDNatureMatch, CheckIdentifier.Nature)
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: GetInvalid(LPIDNatureMismatch, CheckIdentifier.Nature);
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data.AddLine(result);
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}
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private static Nature GetExpectedNature(PKM pk) => (Nature)(pk.EncryptionConstant % 25);
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private static bool IsValidGenderPID(LegalityAnalysis data)
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{
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var pk = data.Entity;
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bool genderValid = pk.IsGenderValid();
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if (!genderValid)
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return IsValidGenderMismatch(pk);
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// check for mixed->fixed gender incompatibility by checking the gender of the original species
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if (SpeciesCategory.IsFixedGenderFromDual(pk.Species))
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return IsValidFixedGenderFromBiGender(pk, data.EncounterMatch.Species);
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return true;
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}
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private static bool IsValidFixedGenderFromBiGender(PKM pk, ushort original)
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{
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var current = pk.Gender;
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if (current == 2) // shedinja, genderless
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return true;
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var gender = EntityGender.GetFromPID(original, pk.EncryptionConstant);
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return gender == current;
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}
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private static bool IsValidGenderMismatch(PKM pk) => pk.Species switch
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{
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// Shedinja evolution gender glitch, should match original Gender
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(int) Species.Shedinja when pk.Format == 4 => pk.Gender == EntityGender.GetFromPIDAndRatio(pk.EncryptionConstant, 0x7F), // 50M-50F
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// Evolved from Azurill after transferring to keep gender
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(int) Species.Marill or (int) Species.Azumarill when pk.Format >= 6 => pk.Gender == 1 && (pk.EncryptionConstant & 0xFF) > 0x3F,
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_ => false,
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};
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}
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