mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-28 05:13:13 +00:00
350 lines
15 KiB
C#
350 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using static PKHeX.Core.LegalityCheckStrings;
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namespace PKHeX.Core
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{
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/// <summary>
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/// Verifies the <see cref="PKM.AltForm"/> value.
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/// </summary>
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public sealed class FormVerifier : Verifier
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{
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protected override CheckIdentifier Identifier => CheckIdentifier.Form;
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public override void Verify(LegalityAnalysis data)
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{
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var pkm = data.pkm;
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if (pkm.Format < 4)
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return; // no forms exist
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var result = VerifyForm(data);
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data.AddLine(result);
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if (pkm is IFormArgument f)
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data.AddLine(VerifyFormArgument(data, f.FormArgument));
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}
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private CheckResult VALID => GetValid(LFormValid);
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private CheckResult VerifyForm(LegalityAnalysis data)
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{
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var pkm = data.pkm;
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var PersonalInfo = data.PersonalInfo;
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int count = PersonalInfo.FormeCount;
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if (count <= 1 && pkm.AltForm == 0)
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return VALID; // no forms to check
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var EncounterMatch = data.EncounterMatch;
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var Info = data.Info;
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if (!PersonalInfo.IsFormeWithinRange(pkm.AltForm) && !FormConverter.IsValidOutOfBoundsForme(pkm.Species, pkm.AltForm, Info.Generation))
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return GetInvalid(string.Format(LFormInvalidRange, count - 1, pkm.AltForm));
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if (EncounterMatch is EncounterSlot w && w.Type == SlotType.FriendSafari)
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{
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VerifyFormFriendSafari(data);
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}
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else if (EncounterMatch is EncounterEgg)
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{
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if (FormConverter.IsTotemForm(pkm.Species, pkm.AltForm))
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return GetInvalid(LFormInvalidGame);
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}
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switch (pkm.Species)
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{
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case (int)Species.Pikachu when Info.Generation == 6: // Cosplay
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bool isStatic = EncounterMatch is EncounterStatic;
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if (isStatic != (pkm.AltForm != 0))
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return GetInvalid(isStatic ? LFormPikachuCosplayInvalid : LFormPikachuCosplay);
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break;
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case (int)Species.Pikachu when Info.Generation == 7: // Cap
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bool IsValidPikachuCap()
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{
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return EncounterMatch switch
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{
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WC7 wc7 => (wc7.Form == pkm.AltForm),
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EncounterStatic s => (s.Form == pkm.AltForm),
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_ => (pkm.AltForm == 0)
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};
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}
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if (!IsValidPikachuCap())
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{
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bool gift = EncounterMatch is WC7 g && g.Form != pkm.AltForm;
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var msg = gift ? LFormPikachuEventInvalid : LFormInvalidGame;
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return GetInvalid(msg);
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}
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break;
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case (int)Species.Unown when Info.Generation == 2 && pkm.AltForm >= 26:
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return GetInvalid(string.Format(LFormInvalidRange, "Z", pkm.AltForm == 26 ? "!" : "?"));
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case (int)Species.Giratina when pkm.AltForm == 1 ^ pkm.HeldItem == 112: // Giratina, Origin form only with Griseous Orb
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return GetInvalid(LFormItemInvalid);
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case (int)Species.Arceus:
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{
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int form = GetArceusFormFromHeldItem(pkm.HeldItem, pkm.Format);
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return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
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}
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case (int)Species.Keldeo:
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{
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if (pkm.Gen5) // can mismatch in gen5 via BW tutor and transfer up
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break;
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int index = Array.IndexOf(pkm.Moves, 548); // Secret Sword
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bool noSword = index < 0;
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if (pkm.AltForm == 0 ^ noSword) // mismatch
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Info.Moves[noSword ? 0 : index] = new CheckMoveResult(Info.Moves[noSword ? 0 : index], Severity.Invalid, LMoveKeldeoMismatch, CheckIdentifier.Move);
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break;
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}
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case (int)Species.Genesect:
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{
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int form = GetGenesectFormFromHeldItem(pkm.HeldItem);
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return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
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}
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case (int)Species.Greninja:
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if (pkm.AltForm > 1) // Ash Battle Bond active
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return GetInvalid(LFormBattle);
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if (pkm.AltForm != 0 && !(EncounterMatch is MysteryGift)) // Formes are not breedable, MysteryGift already checked
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return GetInvalid(string.Format(LFormInvalidRange, 0, pkm.AltForm));
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break;
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case (int)Species.Scatterbug:
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case (int)Species.Spewpa:
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if (pkm.AltForm > 17) // Fancy & Pokéball
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return GetInvalid(LFormVivillonEventPre);
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if (!Legal.CheckVivillonPattern(pkm.AltForm, (byte)pkm.Country, (byte)pkm.Region))
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data.AddLine(Get(LFormVivillonInvalid, Severity.Fishy));
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break;
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case (int)Species.Vivillon:
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if (pkm.AltForm > 17) // Fancy & Pokéball
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{
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if (!(EncounterMatch is MysteryGift))
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return GetInvalid(LFormVivillonInvalid);
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return GetValid(LFormVivillon);
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}
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if (!Legal.CheckVivillonPattern(pkm.AltForm, (byte)pkm.Country, (byte)pkm.Region))
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data.AddLine(Get(LFormVivillonInvalid, Severity.Fishy));
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break;
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case (int)Species.Floette when pkm.AltForm == 5: // Floette Eternal Flower -- Never Released
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if (!(EncounterMatch is MysteryGift))
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return GetInvalid(LFormEternalInvalid);
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return GetValid(LFormEternal);
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case (int)Species.Meowstic when pkm.AltForm != pkm.Gender:
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return GetInvalid(LGenderInvalidNone);
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case (int)Species.Silvally:
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{
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int form = GetSilvallyFormFromHeldItem(pkm.HeldItem);
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return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
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}
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case (int)Species.Lillipup when Info.EncounterMatch.EggEncounter && pkm.AltForm == 1 && pkm.SM:
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case (int)Species.Lycanroc when Info.EncounterMatch.EggEncounter && pkm.AltForm == 2 && pkm.SM:
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return GetInvalid(LFormInvalidGame);
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// Impossible Egg forms
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case (int)Species.Rotom when pkm.IsEgg && pkm.AltForm != 0:
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case (int)Species.Furfrou when pkm.IsEgg && pkm.AltForm != 0:
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return GetInvalid(LEggSpecies);
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// Party Only Forms
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case (int)Species.Shaymin:
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case (int)Species.Furfrou:
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case (int)Species.Hoopa:
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if (pkm.AltForm != 0 && pkm.Box > -1 && pkm.Format <= 6) // has form but stored in box
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return GetInvalid(LFormParty);
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break;
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// Battle only Forms with other legal forms allowed
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case (int)Species.Zygarde when pkm.AltForm >= 4: // Zygarde Complete
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case (int)Species.Minior when pkm.AltForm < 7: // Minior Shield
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case (int)Species.Necrozma when pkm.AltForm == 3: // Ultra Necrozma
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return GetInvalid(LFormBattle);
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case (int)Species.Necrozma when pkm.AltForm < 3: // Necrozma Fused forms & default
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case (int)Species.Mimikyu when pkm.AltForm == 2: // Totem disguise Mimikyu
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return VALID;
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}
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if (pkm.Format >= 7 && Info.Generation < 7 && pkm.AltForm != 0)
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{
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if (pkm.Species == 25 || Legal.AlolanOriginForms.Contains(pkm.Species) || Legal.AlolanVariantEvolutions12.Contains(data.EncounterOriginal.Species))
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return GetInvalid(LFormInvalidGame);
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}
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if (pkm.Format >= 8 && Info.Generation < 8 && pkm.AltForm != 0)
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{
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if (pkm.Species == 25 || Legal.GalarOriginForms.Contains(pkm.Species) || Legal.GalarVariantFormEvolutions.Contains(data.EncounterOriginal.Species))
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return GetInvalid(LFormInvalidGame);
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}
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if (pkm.AltForm != 0 && BattleOnly.Contains(pkm.Species))
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{
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if (pkm.Species == (int) Species.Darmanitan && pkm.AltForm == 2 && pkm.Format >= 8)
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{
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// this one is OK, Galarian non-Zen
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}
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else
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{
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return GetInvalid(LFormBattle);
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}
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}
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return VALID;
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}
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private static int GetArceusFormFromHeldItem(int item, int format)
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{
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if (777 <= item && item <= 793)
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return Array.IndexOf(Legal.Arceus_ZCrystal, (ushort)item) + 1;
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int form = 0;
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if ((298 <= item && item <= 313) || item == 644)
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form = Array.IndexOf(Legal.Arceus_Plate, (ushort)item) + 1;
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if (format == 4 && form >= 9)
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return form + 1; // ??? type Form shifts everything by 1
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return form;
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}
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private static int GetSilvallyFormFromHeldItem(int item)
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{
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if ((904 <= item && item <= 920) || item == 644)
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return item - 903;
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return 0;
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}
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private static int GetGenesectFormFromHeldItem(int item)
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{
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if (116 <= item && item <= 119)
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return item - 115;
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return 0;
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}
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private static readonly HashSet<int> BattleOnly = GetBattleFormSet();
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private static HashSet<int> GetBattleFormSet()
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{
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var hs = new HashSet<int>();
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hs.UnionWith(Legal.BattleForms);
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hs.UnionWith(Legal.BattleMegas);
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hs.UnionWith(Legal.BattlePrimals);
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return hs;
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}
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private static readonly HashSet<int> SafariFloette = new HashSet<int> { 0, 1, 3 }; // 0/1/3 - RBY
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private void VerifyFormFriendSafari(LegalityAnalysis data)
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{
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var pkm = data.pkm;
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switch (pkm.Species)
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{
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case (int)Species.Floette when !SafariFloette.Contains(pkm.AltForm): // Floette
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case (int)Species.Florges when !SafariFloette.Contains(pkm.AltForm): // Florges
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data.AddLine(GetInvalid(LFormSafariFlorgesColor));
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break;
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case 710 when pkm.AltForm != 0: // Pumpkaboo
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case (int)Species.Gourgeist when pkm.AltForm != 0: // Average
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data.AddLine(GetInvalid(LFormSafariPumpkabooAverage));
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break;
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case (int)Species.Gastrodon when pkm.AltForm != 0: // West
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data.AddLine(GetInvalid(LFormSafariFlorgesColor));
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break;
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case (int)Species.Sawsbuck when pkm.AltForm != 0: // Sawsbuck
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data.AddLine(GetInvalid(LFormSafariSawsbuckSpring));
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break;
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}
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}
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private CheckResult VerifyFormArgument(LegalityAnalysis data, in uint arg)
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{
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var pkm = data.pkm;
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switch (data.pkm.Species)
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{
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default:
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{
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if (arg != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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break;
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}
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case (int)Species.Furfrou:
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{
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if (arg > 5)
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return GetInvalid(LFormArgumentHigh);
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if (arg == 0 && pkm.AltForm != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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if (arg != 0 && pkm.AltForm == 0)
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return GetInvalid(LFormArgumentNotAllowed);
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break;
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}
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case (int)Species.Hoopa:
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{
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if (arg > 3)
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return GetInvalid(LFormArgumentHigh);
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if (arg == 0 && pkm.AltForm != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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if (arg != 0 && pkm.AltForm == 0)
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return GetInvalid(LFormArgumentNotAllowed);
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break;
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}
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case (int)Species.Yamask when pkm.AltForm == 1:
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{
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if (pkm.IsEgg)
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{
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if (arg != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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break;
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}
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var hp_max = GetYamask1MaxHP(pkm);
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if (arg > hp_max)
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return GetInvalid(LFormArgumentHigh);
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break;
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}
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case (int)Species.Runerigus:
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{
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if (data.EncounterMatch.Species == (int)Species.Runerigus)
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{
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if (arg != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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}
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else
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{
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if (arg < 49)
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return GetInvalid(LFormArgumentLow);
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var hp_max = GetYamask1MaxHP(pkm);
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if (arg > hp_max)
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return GetInvalid(LFormArgumentHigh);
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}
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break;
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}
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case (int)Species.Alcremie:
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{
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if (data.EncounterMatch.Species == (int)Species.Alcremie)
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{
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if (arg != 0)
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return GetInvalid(LFormArgumentNotAllowed);
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}
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else
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{
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if (arg > (uint)AlcremieDecoration.Ribbon)
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return GetInvalid(LFormArgumentHigh);
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}
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break;
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}
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}
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return GetValid(LFormArgumentValid);
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}
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private static int GetYamask1MaxHP(PKM pkm)
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{
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var lvl = pkm.CurrentLevel; // assume it was evolved at the current level (no further level ups)
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var iv_hp = pkm is IHyperTrain ht && ht.HT_HP ? 31 : pkm.IV_HP;
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const int base_hp = 38;
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const int ev_hp = 252; // account for full EVs then removed
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// Manually calculate the stat of Galarian Yamask under the most favorable conditions
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return ((iv_hp + (2 * base_hp) + (ev_hp / 4) + 100) * lvl / 100) + 10;
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}
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}
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}
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