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https://github.com/kwsch/PKHeX.git
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31edf20c87
Moves one of the Evolution deferral checks to the encounter template where it triggers; no other encounter case will trip that check so it's OK to move it there. One less thing for every other encounter to check. Revises the "met date present but no met location" to only flag if the encounter was matched to something. It'll already yell at mismatched encounters, no need to pile on more. The check only exists for eggs (no location).
58 lines
2.3 KiB
C#
58 lines
2.3 KiB
C#
using static PKHeX.Core.EvolutionRestrictions;
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using static PKHeX.Core.LegalityCheckResultCode;
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namespace PKHeX.Core;
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/// <summary>
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/// Verify Evolution Information for a matched <see cref="IEncounterable"/>
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/// </summary>
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public static class EvolutionVerifier
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{
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private static readonly CheckResult VALID = CheckResult.GetValid(CheckIdentifier.Evolution);
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/// <summary>
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/// Verifies Evolution scenarios of <see cref="IEncounterable"/> templates for an input <see cref="PKM"/> and relevant <see cref="LegalInfo"/>.
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/// </summary>
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/// <param name="pk">Source data to verify</param>
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/// <param name="info">Source supporting information to verify with</param>
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public static CheckResult VerifyEvolution(PKM pk, LegalInfo info)
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{
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// Check if basic evolution methods are satisfiable with this encounter.
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if (!IsValidEvolution(pk, info.EvoChainsAllGens, info.EncounterOriginal))
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return CheckResult.Get(Severity.Invalid, CheckIdentifier.Evolution, EvoInvalid);
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// Check if complex evolution methods are satisfiable with this encounter.
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if (!IsValidEvolutionWithMove(pk, info))
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return CheckResult.Get(Severity.Invalid, CheckIdentifier.Evolution, MoveEvoFCombination_0, pk.Species);
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return VALID;
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}
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/// <summary>
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/// Checks if the Evolution from the source <see cref="IEncounterable"/> is valid.
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/// </summary>
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/// <param name="pk">Source data to verify</param>
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/// <param name="history">Source supporting information to verify with</param>
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/// <param name="enc">Matched encounter</param>
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/// <returns>Evolution is valid or not</returns>
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private static bool IsValidEvolution(PKM pk, EvolutionHistory history, IEncounterTemplate enc)
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{
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// OK if un-evolved from original encounter
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var encSpecies = enc.Species;
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var curSpecies = pk.Species;
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if (curSpecies == encSpecies)
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return true; // never evolved
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var current = history.Get(pk.Context);
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if (!EvolutionHistory.HasVisited(current, curSpecies))
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return false; // Can't exist as current species
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// Double check that our encounter was able to exist as the encounter species.
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var original = history.Get(enc.Context);
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if (!EvolutionHistory.HasVisited(original, encSpecies))
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return false;
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return true;
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}
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}
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