mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-11 21:22:41 +00:00
238 lines
9.8 KiB
C#
238 lines
9.8 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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}
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private CheckResult VALID => GetValid(V318);
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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(V304, 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(V317);
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}
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switch (pkm.Species)
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{
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case 25 when Info.Generation == 6: // Pikachu 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 ? V305 : V306);
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break;
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case 25 when Info.Generation == 7: // Pikachu Cap
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bool IsValidPikachuCap()
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{
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switch (EncounterMatch)
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{
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default: return pkm.AltForm == 0;
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case WC7 wc7: return wc7.Form == pkm.AltForm;
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case EncounterStatic s: return s.Form == pkm.AltForm;
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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 ? V307 : V317;
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return GetInvalid(msg);
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}
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break;
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case 201 when Info.Generation == 2 && pkm.AltForm >= 26:
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return GetInvalid(string.Format(V304, "Z", pkm.AltForm == 26 ? "!" : "?"));
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case 487 when pkm.AltForm == 1 ^ pkm.HeldItem == 112: // Giratina, Origin form only with Griseous Orb
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return GetInvalid(V308);
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case 493: // 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(V308) : GetValid(V309);
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}
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case 647: // 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, V169, CheckIdentifier.Move);
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break;
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}
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case 649: // Genesect
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{
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int form = GetGenesectFormFromHeldItem(pkm.HeldItem);
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return form != pkm.AltForm ? GetInvalid(V308) : GetValid(V309);
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}
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case 658: // Greninja
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if (pkm.AltForm > 1) // Ash Battle Bond active
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return GetInvalid(V310);
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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(V304, 0, pkm.AltForm));
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break;
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case 664: // Scatterbug
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case 665: // Spewpa
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if (pkm.AltForm > 17) // Fancy & Pokéball
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return GetInvalid(V311);
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if (!Legal.CheckVivillonPattern(pkm.AltForm, pkm.Country, pkm.Region))
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data.AddLine(Get(V312, Severity.Fishy));
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break;
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case 666: // 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(V312);
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return GetValid(V313);
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}
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if (!Legal.CheckVivillonPattern(pkm.AltForm, pkm.Country, pkm.Region))
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data.AddLine(Get(V312, Severity.Fishy));
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break;
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case 670 when pkm.AltForm == 5: // Floette Eternal Flower -- Never Released
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if (!(EncounterMatch is MysteryGift))
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return GetInvalid(V314);
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return GetValid(V315);
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case 678 when pkm.AltForm != pkm.Gender: // Meowstic
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return GetInvalid(V203);
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case 773: // Silvally
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{
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int form = GetSilvallyFormFromHeldItem(pkm.HeldItem);
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return form != pkm.AltForm ? GetInvalid(V308) : GetValid(V309);
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}
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case 744 when Info.EncounterMatch.EggEncounter && pkm.AltForm == 1 && pkm.SM:
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case 745 when Info.EncounterMatch.EggEncounter && pkm.AltForm == 2 && pkm.SM:
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return GetInvalid(V317);
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// Impossible Egg forms
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case 479 when pkm.IsEgg && pkm.AltForm != 0: // Rotom
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case 676 when pkm.IsEgg && pkm.AltForm != 0: // Furfrou
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return GetInvalid(V50);
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// Party Only Forms
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case 492: // Shaymin
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case 676: // Furfrou
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case 720: // 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(V316);
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break;
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// Battle only Forms with other legal forms allowed
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case 718 when pkm.AltForm >= 4: // Zygarde Complete
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case 774 when pkm.AltForm < 7: // Minior Shield
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case 800 when pkm.AltForm == 3: // Ultra Necrozma
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return GetInvalid(V310);
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case 800 when pkm.AltForm < 3: // Necrozma Fused forms & default
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case 778 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(V317);
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}
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if (pkm.AltForm != 0 && BattleOnly.Contains(pkm.Species))
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return GetInvalid(V310);
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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, 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, 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;
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private static readonly HashSet<int> SafariFloette = new HashSet<int> { 0, 1, 3 }; // 0/1/3 - RBY
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static FormVerifier()
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{
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BattleOnly = new HashSet<int>();
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BattleOnly.UnionWith(Legal.BattleForms);
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BattleOnly.UnionWith(Legal.BattleMegas);
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BattleOnly.UnionWith(Legal.BattlePrimals);
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}
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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 670 when !SafariFloette.Contains(pkm.AltForm): // Floette
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case 671 when !SafariFloette.Contains(pkm.AltForm): // Florges
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data.AddLine(GetInvalid(V64));
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break;
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case 710 when pkm.AltForm != 0: // Pumpkaboo
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case 711 when pkm.AltForm != 0: // Goregeist Average
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data.AddLine(GetInvalid(V6));
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break;
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case 423 when pkm.AltForm != 0: // Gastrodon West
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data.AddLine(GetInvalid(V64));
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break;
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case 586 when pkm.AltForm != 0: // Sawsbuck
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data.AddLine(GetInvalid(V65));
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break;
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}
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}
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}
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}
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