mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 12:33:06 +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.
496 lines
21 KiB
C#
496 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using static PKHeX.Core.LegalityCheckStrings;
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using static PKHeX.Core.MemoryPermissions;
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using static PKHeX.Core.EntityContext;
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namespace PKHeX.Core;
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/// <summary>
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/// Verifies the <see cref="IMemoryOT.OT_Memory"/>, <see cref="IMemoryHT.HT_Memory"/>, and associated values.
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/// </summary>
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public sealed class MemoryVerifier : Verifier
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{
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protected override CheckIdentifier Identifier => CheckIdentifier.Memory;
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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 sources = MemoryRules.GetPossibleSources(data.Info.EvoChainsAllGens);
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if (sources == MemorySource.None)
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{
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VerifyOTMemoryIs(data, 0, 0, 0, 0);
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VerifyHTMemoryNone(data, (ITrainerMemories)pk);
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return;
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}
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VerifyOTMemory(data);
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VerifyHTMemory(data, sources);
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}
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private void VerifyHTMemory(LegalityAnalysis data, MemorySource sources)
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{
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var pk = data.Entity;
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sources = MemoryRules.ReviseSourcesHandler(pk, sources, data.EncounterMatch);
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if (sources == MemorySource.None)
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{
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VerifyHTMemoryNone(data, (ITrainerMemories)pk);
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return;
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}
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VerifyHTMemoryContextVisited(data, sources);
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}
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private void VerifyHTMemoryContextVisited(LegalityAnalysis data, MemorySource sources)
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{
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// Memories aren't reset when imported into formats, so it could be from any context visited.
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var results = data.Info.Parse;
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var start = results.Count;
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if (sources.HasFlag(MemorySource.Gen6))
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{
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results.RemoveRange(start, results.Count - start);
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VerifyHTMemory(data, Gen6);
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VerifyHTLanguage(data, MemorySource.Gen6);
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if (ValidSet(results, start))
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return;
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}
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if (sources.HasFlag(MemorySource.Gen8))
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{
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results.RemoveRange(start, results.Count - start);
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VerifyHTMemory(data, Gen8);
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VerifyHTLanguage(data, MemorySource.Gen8);
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if (ValidSet(results, start))
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return;
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}
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if (sources.HasFlag(MemorySource.Bank))
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{
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results.RemoveRange(start, results.Count - start);
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VerifyHTMemoryTransferTo7(data, data.Entity, data.Info);
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VerifyHTLanguage(data, MemorySource.Bank);
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if (ValidSet(results, start))
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return;
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}
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if (sources.HasFlag(MemorySource.Deleted))
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{
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results.RemoveRange(start, results.Count - start);
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VerifyHTMemoryNone(data, (ITrainerMemories)data.Entity);
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VerifyHTLanguage(data, MemorySource.Deleted);
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}
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}
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private void VerifyHTLanguage(LegalityAnalysis data, MemorySource source)
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{
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var pk = data.Entity;
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if (pk is not IHandlerLanguage h)
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return;
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if (!GetIsHTLanguageValid(data.EncounterMatch, pk, h.HT_Language, source))
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data.AddLine(GetInvalid(LMemoryHTLanguage));
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}
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private static bool GetIsHTLanguageValid(IEncounterTemplate enc, PKM pk, byte language, MemorySource source)
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{
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// Bounds check.
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if (language > (int)LanguageID.ChineseT)
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return false;
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// Gen6 and Bank don't have the HT language flag.
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if (source is MemorySource.Gen6 or MemorySource.Bank)
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return language == 0;
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// Some encounters erroneously set the HT flag.
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if (enc is EncounterStatic9 { GiftWithLanguage: true })
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{
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// Must be the SAV language or another-with-HT_Name.
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if (language == 0)
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return false;
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if (pk.IsUntraded)
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return language == pk.Language;
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return true;
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}
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if (pk.IsUntraded)
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return language == 0;
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// Can be anything within bounds.
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return true;
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}
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private static bool ValidSet(List<CheckResult> results, int start)
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{
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var count = results.Count - start;
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if (count == 0)
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return true; // None added.
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var span = CollectionsMarshal.AsSpan(results)[start..];
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foreach (var result in span)
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{
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if (result.Valid)
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continue;
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return false;
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}
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return true;
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}
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private CheckResult VerifyCommonMemory(PKM pk, int handler, LegalInfo info, MemoryContext mem)
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{
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var memory = MemoryVariableSet.Read((ITrainerMemories)pk, handler);
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// Actionable HM moves
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int hmIndex = MemoryContext6.MoveSpecificMemoryHM.IndexOf(memory.MemoryID);
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if (hmIndex != -1)
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return VerifyMemoryHM6(info, mem, memory, hmIndex);
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if (mem.IsInvalidGeneralLocationMemoryValue(memory.MemoryID, memory.Variable, info.EncounterMatch, pk))
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return GetInvalid(string.Format(LMemoryArgBadLocation, memory.Handler));
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if (mem.IsInvalidMiscMemory(memory.MemoryID, memory.Variable))
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return GetInvalid(string.Format(LMemoryArgBadID, memory.Handler));
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switch (memory.MemoryID)
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{
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case 19 when pk.Species is (int)Species.Urshifu && memory.Variable is not 34: // tall building is the only location for evolving Urshifu
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case 19 when pk.Species is (int)Species.Runerigus && memory.Variable is not 72: // vast field is the only location for evolving Runerigus
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return GetInvalid(string.Format(LMemoryArgBadLocation, memory.Handler));
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// {0} saw {2} carrying {1} on its back. {4} that {3}.
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case 21 when mem.Context != Gen6 || !PersonalTable.AO.GetFormEntry(memory.Variable, 0).GetIsLearnHM(2): // Fly
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return BadSpeciesMove(memory.Handler);
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// {0} used {2} at {1}’s instruction, but it had no effect. {4} that {3}.
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// The Move Deleter that {0} met through {1} made it forget {2}. {4} that {3}.
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case 16 or 48 when !CanKnowMove(pk, memory, mem.Context, info, memory.MemoryID == 16):
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return BadSpeciesMove(memory.Handler);
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case 49 when memory.Variable == 0 || !GetCanRelearnMove(pk, memory.Variable, mem.Context, info.EvoChainsAllGens, info.EncounterOriginal):
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return BadSpeciesMove(memory.Handler);
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// Dynamaxing
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// {0} battled at {1}’s side against {2} that Dynamaxed. {4} that {3}.
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case 71 when !GetCanDynamaxTrainer(memory.Variable, 8, handler == 0 ? (GameVersion)pk.Version : GameVersion.Any):
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// {0} battled {2} and Dynamaxed upon {1}’s instruction. {4} that {3}.
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case 72 when !PersonalTable.SWSH.IsSpeciesInGame(memory.Variable):
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return GetInvalid(string.Format(LMemoryArgBadSpecies, memory.Handler));
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// Move
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// {0} studied about how to use {2} in a Box, thinking about {1}. {4} that {3}.
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// {0} practiced its cool pose for the move {2} in a Box, wishing to be praised by {1}. {4} that {3}.
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case 80 or 81 when !CanKnowMove(pk, memory, mem.Context, info):
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return BadSpeciesMove(memory.Handler);
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// Species
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// With {1}, {0} went fishing, and they caught {2}. {4} that {3}.
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case 7 when !GetCanFishSpecies(memory.Variable, mem.Context, handler == 0 ? (GameVersion)pk.Version : GameVersion.Any):
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return GetInvalid(string.Format(LMemoryArgBadSpecies, memory.Handler));
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// {0} saw {1} paying attention to {2}. {4} that {3}.
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// {0} fought hard until it had to use Struggle when it battled at {1}’s side against {2}. {4} that {3}.
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// {0} was taken to a Pokémon Nursery by {1} and left with {2}. {4} that {3}.
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case 9 or 60 or 75 when mem.Context == Gen8 && !PersonalTable.SWSH.IsSpeciesInGame(memory.Variable):
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return GetInvalid(string.Format(LMemoryArgBadSpecies, memory.Handler));
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// {0} had a great chat about {1} with the {2} that it was in a Box with. {4} that {3}.
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// {0} became good friends with the {2} in a Box, practiced moves with it, and talked about the day that {0} would be praised by {1}. {4} that {3}.
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// {0} got in a fight with the {2} that it was in a Box with about {1}. {4} that {3}.
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case 82 or 83 or 87 when !PersonalTable.SWSH.IsSpeciesInGame(memory.Variable):
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return GetInvalid(string.Format(LMemoryArgBadSpecies, memory.Handler));
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// {0} had a very hard training session with {1}. {4} that {3}.
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case 53 when mem.Context == Gen8 && pk is IHyperTrain t && !t.IsHyperTrained():
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return GetInvalid(string.Format(LMemoryArgBadID, memory.Handler));
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// Item
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// {0} went to a Pokémon Center with {1} to buy {2}. {4} that {3}.
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case 5 when !CanBuyItem(mem.Context, memory.Variable, handler == 0 ? (GameVersion)pk.Version : GameVersion.Any):
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// {1} used {2} when {0} was in trouble. {4} that {3}.
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case 15 when !CanUseItem(mem.Context, memory.Variable, pk.Species):
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// {0} saw {1} using {2}. {4} that {3}.
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case 26 when !CanUseItemGeneric(mem.Context, memory.Variable):
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// {0} planted {2} with {1} and imagined a big harvest. {4} that {3}.
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case 34 when !CanPlantBerry(mem.Context, memory.Variable):
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// {1} had {0} hold items like {2} to help it along. {4} that {3}.
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case 40 when !CanHoldItem(mem.Context, memory.Variable):
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// {0} was excited when {1} won prizes like {2} through Loto-ID. {4} that {3}.
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case 51 when !CanWinLotoID(mem.Context, memory.Variable):
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// {0} was worried if {1} was looking for the {2} that it was holding in a Box. {4} that {3}.
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// When {0} was in a Box, it thought about the reason why {1} had it hold the {2}. {4} that {3}.
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case 84 or 88 when !Legal.HeldItems_SWSH.Contains(memory.Variable) || pk.IsEgg:
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return GetInvalid(string.Format(LMemoryArgBadItem, memory.Handler));
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}
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return VerifyCommonMemoryEtc(memory, mem);
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}
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private CheckResult VerifyMemoryHM6(LegalInfo info, MemoryContext mem, MemoryVariableSet memory, int hmIndex)
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{
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if (mem.Context != Gen6) // Gen8 has no HMs, so this memory can never exist.
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return BadSpeciesMove(memory.Handler);
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if (info.EncounterMatch.Species == (int)Species.Smeargle)
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return VerifyCommonMemoryEtc(memory, mem);
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// All AO hidden machine permissions are super-sets of Gen 3-5 games.
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// Don't need to check the move history -- a learned HM in a prior game can still be learned in Gen6.
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var pt = PersonalTable.AO;
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foreach (ref readonly var evo in info.EvoChainsAllGens.Gen6.AsSpan())
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{
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var entry = pt[evo.Species];
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var canLearn = entry.GetIsLearnHM(hmIndex);
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if (canLearn)
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return VerifyCommonMemoryEtc(memory, mem);
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break;
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}
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return BadSpeciesMove(memory.Handler);
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}
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private CheckResult BadSpeciesMove(string handler) => GetInvalid(string.Format(LMemoryArgBadMove, handler));
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private CheckResult VerifyCommonMemoryEtc(MemoryVariableSet memory, MemoryContext context)
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{
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if (!context.CanHaveIntensity(memory.MemoryID, memory.Intensity))
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{
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var min = context.GetMinimumIntensity(memory.MemoryID);
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return GetInvalid(string.Format(LMemoryIndexIntensityMin, memory.Handler, min));
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}
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if (!context.CanHaveFeeling(memory.MemoryID, memory.Feeling, memory.Variable))
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return GetInvalid(string.Format(LMemoryFeelInvalid, memory.Handler));
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return GetValid(string.Format(LMemoryF_0_Valid, memory.Handler));
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}
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/// <summary>
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/// Used for enforcing a fixed memory detail.
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/// </summary>
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/// <param name="data">Output storage</param>
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/// <param name="m">Memory ID</param>
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/// <param name="i">Intensity</param>
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/// <param name="t">Text Variable</param>
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/// <param name="f">Feeling</param>
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private void VerifyOTMemoryIs(LegalityAnalysis data, byte m, byte i, ushort t, byte f)
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{
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var pk = (ITrainerMemories)data.Entity;
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if (pk.OT_Memory != m)
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data.AddLine(GetInvalid(string.Format(LMemoryIndexID, L_XOT, m)));
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if (pk.OT_Intensity != i)
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data.AddLine(GetInvalid(string.Format(LMemoryIndexIntensity, L_XOT, i)));
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if (pk.OT_TextVar != t)
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data.AddLine(GetInvalid(string.Format(LMemoryIndexVar, L_XOT, t)));
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if (pk.OT_Feeling != f)
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data.AddLine(GetInvalid(string.Format(LMemoryIndexFeel, L_XOT, f)));
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}
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private void VerifyHTMemoryNone(LegalityAnalysis data, ITrainerMemories pk)
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{
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if (pk.HT_Memory != 0 || pk.HT_TextVar != 0 || pk.HT_Intensity != 0 || pk.HT_Feeling != 0)
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data.AddLine(GetInvalid(string.Format(LMemoryCleared, L_XHT)));
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}
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private void VerifyOTMemory(LegalityAnalysis data)
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{
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var enc = data.Info.EncounterMatch;
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var context = enc.Context;
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var pk = data.Entity;
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var mem = (ITrainerMemories)pk;
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// If the encounter has a memory from the OT that could never have it replaced, ensure it was not modified.
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switch (data.EncounterMatch)
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{
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case WC6 {IsEgg: false} g when g.OTGender != 3:
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VerifyOTMemoryIs(data, g.OT_Memory, g.OT_Intensity, g.OT_TextVar, g.OT_Feeling);
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return;
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case WC7 {IsEgg: false} g when g.OTGender != 3:
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VerifyOTMemoryIs(data, g.OT_Memory, g.OT_Intensity, g.OT_TextVar, g.OT_Feeling);
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return;
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case WC8 {IsEgg: false} g when g.OTGender != 3:
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VerifyOTMemoryIs(data, g.OT_Memory, g.OT_Intensity, g.OT_TextVar, g.OT_Feeling);
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return;
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case IMemoryOTReadOnly t and not MysteryGift: // Ignore Mystery Gift cases (covered above)
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VerifyOTMemoryIs(data, t.OT_Memory, t.OT_Intensity, t.OT_TextVar, t.OT_Feeling);
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return;
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}
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var memory = mem.OT_Memory;
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if (pk.IsEgg)
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{
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// Traded unhatched eggs in Gen8 have OT link trade memory applied erroneously.
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// They can also have the box-inspect memory!
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if (context != Gen8 || !((pk.Met_Location == Locations.LinkTrade6 && memory == 4) || memory == 85))
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{
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VerifyOTMemoryIs(data, 0, 0, 0, 0); // empty
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return;
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}
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}
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else if (!CanHaveMemoryForOT(pk, context, memory))
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{
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VerifyOTMemoryIs(data, 0, 0, 0, 0); // empty
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return;
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}
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// Bounds checking
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var mc = Memories.GetContext(context);
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if (!mc.CanObtainMemoryOT((GameVersion)pk.Version, memory))
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data.AddLine(GetInvalid(string.Format(LMemoryArgBadID, L_XOT)));
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// Verify memory if specific to OT
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switch (memory)
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{
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// No Memory
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case 0: // SW/SH trades don't set HT memories immediately, which is hilarious.
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data.AddLine(Get(LMemoryMissingOT, mc.Context == Gen8 ? Severity.Fishy : Severity.Invalid));
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VerifyOTMemoryIs(data, 0, 0, 0, 0);
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return;
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// {0} hatched from an Egg and saw {1} for the first time at... {2}. {4} that {3}.
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case 2 when !enc.EggEncounter:
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data.AddLine(GetInvalid(string.Format(LMemoryArgBadHatch, L_XOT)));
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break;
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// {0} became {1}’s friend when it arrived via Link Trade at... {2}. {4} that {3}.
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case 4 when mc.Context == Gen6: // Gen8 applies this memory erroneously
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data.AddLine(GetInvalid(string.Format(LMemoryArgBadOTEgg, L_XOT)));
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return;
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// {0} went to the Pokémon Center in {2} with {1} and had its tired body healed there. {4} that {3}.
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case 6 when !mc.HasPokeCenter((GameVersion)pk.Version, mem.OT_TextVar):
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data.AddLine(GetInvalid(string.Format(LMemoryArgBadLocation, L_XOT)));
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return;
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// {0} was with {1} when {1} caught {2}. {4} that {3}.
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case 14:
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var result = GetCanBeCaptured(mem.OT_TextVar, mc.Context, (GameVersion)pk.Version) // Any Game in the Handling Trainer's generation
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? GetValid(string.Format(LMemoryArgSpecies, L_XOT))
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: GetInvalid(string.Format(LMemoryArgBadSpecies, L_XOT));
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data.AddLine(result);
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return;
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}
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data.AddLine(VerifyCommonMemory(pk, 0, data.Info, mc));
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}
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private static bool CanHaveMemoryForOT(PKM pk, EntityContext origin, int memory)
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{
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// Eggs cannot have memories
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if (pk.IsEgg)
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{
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if (origin == Gen8) // Gen8 sets for traded eggs.
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return pk.IsTradedEgg;
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return false;
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}
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return origin switch
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{
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Gen1 or Gen2 or Gen7 => memory == 4, // VC transfers can only have Bank memory.
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Gen6 => true,
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Gen8 => !(pk.GO_HOME || pk.Met_Location == Locations.HOME8), // HOME does not set memories.
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_ => false,
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};
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}
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private void VerifyHTMemory(LegalityAnalysis data, EntityContext memoryGen)
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{
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var pk = data.Entity;
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var mem = (ITrainerMemories)pk;
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var memory = mem.HT_Memory;
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if (pk.IsUntraded)
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{
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if (memory == 4 && WasTradedSWSHEgg(pk))
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{
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// Untraded link trade eggs in Gen8 have HT link trade memory applied erroneously.
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// Verify the link trade memory later.
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}
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else
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{
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VerifyHTMemoryNone(data, mem);
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return;
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}
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}
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if (pk.Format == 7)
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{
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VerifyHTMemoryTransferTo7(data, pk, data.Info);
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return;
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}
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// Bounds checking
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var mc = Memories.GetContext(memoryGen);
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if (!mc.CanObtainMemoryHT((GameVersion)pk.Version, memory))
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data.AddLine(GetInvalid(string.Format(LMemoryArgBadID, L_XHT)));
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// Verify memory if specific to HT
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switch (memory)
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{
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// No Memory
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case 0: // SW/SH memory application has an off-by-one error: [0,99] + 1 <= chance --> don't apply
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var severity = mc.Context switch
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{
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Gen8 when pk is not PK8 && !pk.SWSH => Severity.Valid,
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Gen8 => ParseSettings.Gen8MemoryMissingHT,
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_ => Severity.Invalid,
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};
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if (severity != Severity.Valid)
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data.AddLine(Get(LMemoryMissingHT, severity));
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VerifyHTMemoryNone(data, mem);
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return;
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||
|
||
// {0} met {1} at... {2}. {1} threw a Poké Ball at it, and they started to travel together. {4} that {3}.
|
||
case 1:
|
||
data.AddLine(GetInvalid(string.Format(LMemoryArgBadCatch, L_XHT)));
|
||
return;
|
||
|
||
// {0} hatched from an Egg and saw {1} for the first time at... {2}. {4} that {3}.
|
||
case 2:
|
||
data.AddLine(GetInvalid(string.Format(LMemoryArgBadHatch, L_XHT)));
|
||
return;
|
||
|
||
// {0} went to the Pokémon Center in {2} with {1} and had its tired body healed there. {4} that {3}.
|
||
case 6 when !mc.HasPokeCenter(GameVersion.Any, mem.HT_TextVar):
|
||
data.AddLine(GetInvalid(string.Format(LMemoryArgBadLocation, L_XHT)));
|
||
return;
|
||
|
||
// {0} was with {1} when {1} caught {2}. {4} that {3}.
|
||
case 14:
|
||
var result = GetCanBeCaptured(mem.HT_TextVar, mc.Context, GameVersion.Any) // Any Game in the Handling Trainer's generation
|
||
? GetValid(string.Format(LMemoryArgSpecies, L_XHT))
|
||
: GetInvalid(string.Format(LMemoryArgBadSpecies, L_XHT));
|
||
data.AddLine(result);
|
||
return;
|
||
}
|
||
|
||
var commonResult = VerifyCommonMemory(pk, 1, data.Info, mc);
|
||
data.AddLine(commonResult);
|
||
}
|
||
|
||
private static bool WasTradedSWSHEgg(PKM pk) => pk.SWSH && (!pk.IsEgg ? pk.Egg_Location : pk.Met_Location) is Locations.LinkTrade6;
|
||
|
||
private void VerifyHTMemoryTransferTo7(LegalityAnalysis data, PKM pk, LegalInfo Info)
|
||
{
|
||
var mem = (ITrainerMemories)pk;
|
||
// Bank Transfer adds in the Link Trade Memory.
|
||
// Trading 7<->7 between games (not Bank) clears this data.
|
||
if (mem.HT_Memory == 0)
|
||
{
|
||
VerifyHTMemoryNone(data, mem);
|
||
return;
|
||
}
|
||
|
||
// Transfer 6->7 & withdraw to same HT => keeps past gen memory
|
||
// Don't require link trade memory for these past gen cases
|
||
int gen = Info.Generation;
|
||
if (gen is >= 3 and < 7 && pk.CurrentHandler == 1)
|
||
return;
|
||
|
||
if (mem.HT_Memory != 4)
|
||
data.AddLine(Severity.Invalid, LMemoryIndexLinkHT, CheckIdentifier.Memory);
|
||
if (mem.HT_TextVar != 0)
|
||
data.AddLine(Severity.Invalid, LMemoryIndexArgHT, CheckIdentifier.Memory);
|
||
if (mem.HT_Intensity != 1)
|
||
data.AddLine(Severity.Invalid, LMemoryIndexIntensityHT1, CheckIdentifier.Memory);
|
||
if (mem.HT_Feeling > 10)
|
||
data.AddLine(Severity.Invalid, LMemoryIndexFeelHT09, CheckIdentifier.Memory);
|
||
}
|
||
}
|