PKHeX/PKHeX.Core/Legality/Verifiers/FormVerifier.cs

351 lines
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C#
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using System;
using System.Collections.Generic;
using static PKHeX.Core.LegalityCheckStrings;
namespace PKHeX.Core
{
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/// <summary>
/// Verifies the <see cref="PKM.AltForm"/> value.
/// </summary>
public sealed class FormVerifier : Verifier
{
protected override CheckIdentifier Identifier => CheckIdentifier.Form;
public override void Verify(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Format < 4)
return; // no forms exist
var result = VerifyForm(data);
data.AddLine(result);
if (pkm is IFormArgument f)
data.AddLine(VerifyFormArgument(data, f));
}
private CheckResult VALID => GetValid(LFormValid);
private CheckResult VerifyForm(LegalityAnalysis data)
{
var pkm = data.pkm;
var PersonalInfo = data.PersonalInfo;
int count = PersonalInfo.FormeCount;
if (count <= 1 && pkm.AltForm == 0)
return VALID; // no forms to check
var EncounterMatch = data.EncounterMatch;
var Info = data.Info;
if (!PersonalInfo.IsFormeWithinRange(pkm.AltForm) && !FormConverter.IsValidOutOfBoundsForme(pkm.Species, pkm.AltForm, Info.Generation))
return GetInvalid(string.Format(LFormInvalidRange, count - 1, pkm.AltForm));
if (EncounterMatch is EncounterSlot w && w.Type == SlotType.FriendSafari)
{
VerifyFormFriendSafari(data);
}
else if (EncounterMatch is EncounterEgg)
{
if (FormConverter.IsTotemForm(pkm.Species, pkm.AltForm))
return GetInvalid(LFormInvalidGame);
}
switch (pkm.Species)
{
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case (int)Species.Pikachu when Info.Generation == 6: // Cosplay
bool isStatic = EncounterMatch is EncounterStatic;
if (isStatic != (pkm.AltForm != 0))
return GetInvalid(isStatic ? LFormPikachuCosplayInvalid : LFormPikachuCosplay);
break;
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case (int)Species.Pikachu when Info.Generation == 7: // Cap
bool IsValidPikachuCap()
{
return EncounterMatch switch
{
WC7 wc7 => (wc7.Form == pkm.AltForm),
EncounterStatic s => (s.Form == pkm.AltForm),
_ => (pkm.AltForm == 0)
};
}
if (!IsValidPikachuCap())
{
bool gift = EncounterMatch is WC7 g && g.Form != pkm.AltForm;
var msg = gift ? LFormPikachuEventInvalid : LFormInvalidGame;
return GetInvalid(msg);
}
break;
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case (int)Species.Unown when Info.Generation == 2 && pkm.AltForm >= 26:
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
return GetInvalid(LFormItemInvalid);
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case (int)Species.Arceus:
{
int form = GetArceusFormFromHeldItem(pkm.HeldItem, pkm.Format);
return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
}
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case (int)Species.Keldeo:
{
if (pkm.Gen5) // can mismatch in gen5 via BW tutor and transfer up
break;
int index = Array.IndexOf(pkm.Moves, 548); // Secret Sword
bool noSword = index < 0;
if (pkm.AltForm == 0 ^ noSword) // mismatch
Info.Moves[noSword ? 0 : index] = new CheckMoveResult(Info.Moves[noSword ? 0 : index], Severity.Invalid, LMoveKeldeoMismatch, CheckIdentifier.Move);
break;
}
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case (int)Species.Genesect:
{
int form = GetGenesectFormFromHeldItem(pkm.HeldItem);
return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
}
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case (int)Species.Greninja:
if (pkm.AltForm > 1) // Ash Battle Bond active
return GetInvalid(LFormBattle);
if (pkm.AltForm != 0 && !(EncounterMatch is MysteryGift)) // Formes are not breedable, MysteryGift already checked
return GetInvalid(string.Format(LFormInvalidRange, 0, pkm.AltForm));
break;
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case (int)Species.Scatterbug:
case (int)Species.Spewpa:
if (pkm.AltForm > 17) // Fancy & Pokéball
return GetInvalid(LFormVivillonEventPre);
PKHeX.Core Nullable cleanup (#2401) * Handle some nullable cases Refactor MysteryGift into a second abstract class (backed by a byte array, or fake data) Make some classes have explicit constructors instead of { } initialization * Handle bits more obviously without null * Make SaveFile.BAK explicitly readonly again * merge constructor methods to have readonly fields * Inline some properties * More nullable handling * Rearrange box actions define straightforward classes to not have any null properties * Make extrabyte reference array immutable * Move tooltip creation to designer * Rearrange some logic to reduce nesting * Cache generated fonts * Split mystery gift album purpose * Handle more tooltips * Disallow null setters * Don't capture RNG object, only type enum * Unify learnset objects Now have readonly properties which are never null don't new() empty learnsets (>800 Learnset objects no longer created, total of 2400 objects since we also new() a move & level array) optimize g1/2 reader for early abort case * Access rewrite Initialize blocks in a separate object, and get via that object removes a couple hundred "might be null" warnings since blocks are now readonly getters some block references have been relocated, but interfaces should expose all that's needed put HoF6 controls in a groupbox, and disable * Readonly personal data * IVs non nullable for mystery gift * Explicitly initialize forced encounter moves * Make shadow objects readonly & non-null Put murkrow fix in binary data resource, instead of on startup * Assign dex form fetch on constructor Fixes legality parsing edge cases also handle cxd parse for valid; exit before exception is thrown in FrameGenerator * Remove unnecessary null checks * Keep empty value until init SetPouch sets the value to an actual one during load, but whatever * Readonly team lock data * Readonly locks Put locked encounters at bottom (favor unlocked) * Mail readonly data / offset Rearrange some call flow and pass defaults Add fake classes for SaveDataEditor mocking Always party size, no need to check twice in stat editor use a fake save file as initial data for savedata editor, and for gamedata (wow i found a usage) constrain eventwork editor to struct variable types (uint, int, etc), thus preventing null assignment errors
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if (!Legal.CheckVivillonPattern(pkm.AltForm, (byte)pkm.Country, (byte)pkm.Region))
data.AddLine(Get(LFormVivillonInvalid, Severity.Fishy));
break;
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case (int)Species.Vivillon:
if (pkm.AltForm > 17) // Fancy & Pokéball
{
if (!(EncounterMatch is MysteryGift))
return GetInvalid(LFormVivillonInvalid);
return GetValid(LFormVivillon);
}
PKHeX.Core Nullable cleanup (#2401) * Handle some nullable cases Refactor MysteryGift into a second abstract class (backed by a byte array, or fake data) Make some classes have explicit constructors instead of { } initialization * Handle bits more obviously without null * Make SaveFile.BAK explicitly readonly again * merge constructor methods to have readonly fields * Inline some properties * More nullable handling * Rearrange box actions define straightforward classes to not have any null properties * Make extrabyte reference array immutable * Move tooltip creation to designer * Rearrange some logic to reduce nesting * Cache generated fonts * Split mystery gift album purpose * Handle more tooltips * Disallow null setters * Don't capture RNG object, only type enum * Unify learnset objects Now have readonly properties which are never null don't new() empty learnsets (>800 Learnset objects no longer created, total of 2400 objects since we also new() a move & level array) optimize g1/2 reader for early abort case * Access rewrite Initialize blocks in a separate object, and get via that object removes a couple hundred "might be null" warnings since blocks are now readonly getters some block references have been relocated, but interfaces should expose all that's needed put HoF6 controls in a groupbox, and disable * Readonly personal data * IVs non nullable for mystery gift * Explicitly initialize forced encounter moves * Make shadow objects readonly & non-null Put murkrow fix in binary data resource, instead of on startup * Assign dex form fetch on constructor Fixes legality parsing edge cases also handle cxd parse for valid; exit before exception is thrown in FrameGenerator * Remove unnecessary null checks * Keep empty value until init SetPouch sets the value to an actual one during load, but whatever * Readonly team lock data * Readonly locks Put locked encounters at bottom (favor unlocked) * Mail readonly data / offset Rearrange some call flow and pass defaults Add fake classes for SaveDataEditor mocking Always party size, no need to check twice in stat editor use a fake save file as initial data for savedata editor, and for gamedata (wow i found a usage) constrain eventwork editor to struct variable types (uint, int, etc), thus preventing null assignment errors
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if (!Legal.CheckVivillonPattern(pkm.AltForm, (byte)pkm.Country, (byte)pkm.Region))
data.AddLine(Get(LFormVivillonInvalid, Severity.Fishy));
break;
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case (int)Species.Floette when pkm.AltForm == 5: // Floette Eternal Flower -- Never Released
if (!(EncounterMatch is MysteryGift))
return GetInvalid(LFormEternalInvalid);
return GetValid(LFormEternal);
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case (int)Species.Meowstic when pkm.AltForm != pkm.Gender:
return GetInvalid(LGenderInvalidNone);
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case (int)Species.Silvally:
{
int form = GetSilvallyFormFromHeldItem(pkm.HeldItem);
return form != pkm.AltForm ? GetInvalid(LFormItemInvalid) : GetValid(LFormItem);
}
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case (int)Species.Lillipup when Info.EncounterMatch.EggEncounter && pkm.AltForm == 1 && pkm.SM:
case (int)Species.Lycanroc when Info.EncounterMatch.EggEncounter && pkm.AltForm == 2 && pkm.SM:
return GetInvalid(LFormInvalidGame);
// Impossible Egg forms
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case (int)Species.Rotom when pkm.IsEgg && pkm.AltForm != 0:
case (int)Species.Furfrou when pkm.IsEgg && pkm.AltForm != 0:
return GetInvalid(LEggSpecies);
// Party Only Forms
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case (int)Species.Shaymin:
case (int)Species.Furfrou:
case (int)Species.Hoopa:
if (pkm.AltForm != 0 && pkm.Box > -1 && pkm.Format <= 6) // has form but stored in box
return GetInvalid(LFormParty);
break;
// Battle only Forms with other legal forms allowed
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case (int)Species.Zygarde when pkm.AltForm >= 4: // Zygarde Complete
case (int)Species.Minior when pkm.AltForm < 7: // Minior Shield
case (int)Species.Necrozma when pkm.AltForm == 3: // Ultra Necrozma
return GetInvalid(LFormBattle);
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case (int)Species.Necrozma when pkm.AltForm < 3: // Necrozma Fused forms & default
case (int)Species.Mimikyu when pkm.AltForm == 2: // Totem disguise Mimikyu
return VALID;
}
if (pkm.Format >= 7 && Info.Generation < 7 && pkm.AltForm != 0)
{
if (pkm.Species == 25 || Legal.AlolanOriginForms.Contains(pkm.Species) || Legal.AlolanVariantEvolutions12.Contains(data.EncounterOriginal.Species))
return GetInvalid(LFormInvalidGame);
}
if (pkm.Format >= 8 && Info.Generation < 8 && pkm.AltForm != 0)
{
if (pkm.Species == 25 || Legal.GalarOriginForms.Contains(pkm.Species) || Legal.GalarVariantFormEvolutions.Contains(data.EncounterOriginal.Species))
return GetInvalid(LFormInvalidGame);
}
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)
{
// this one is OK, Galarian non-Zen
}
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else
{
return GetInvalid(LFormBattle);
}
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}
return VALID;
}
private static int GetArceusFormFromHeldItem(int item, int format)
{
if (777 <= item && item <= 793)
return Array.IndexOf(Legal.Arceus_ZCrystal, (ushort)item) + 1;
int form = 0;
if ((298 <= item && item <= 313) || item == 644)
form = Array.IndexOf(Legal.Arceus_Plate, (ushort)item) + 1;
if (format == 4 && form >= 9)
return form + 1; // ??? type Form shifts everything by 1
return form;
}
private static int GetSilvallyFormFromHeldItem(int item)
{
if ((904 <= item && item <= 920) || item == 644)
return item - 903;
return 0;
}
private static int GetGenesectFormFromHeldItem(int item)
{
if (116 <= item && item <= 119)
return item - 115;
return 0;
}
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private static readonly HashSet<int> BattleOnly = GetBattleFormSet();
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private static HashSet<int> GetBattleFormSet()
{
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var hs = new HashSet<int>();
hs.UnionWith(Legal.BattleForms);
hs.UnionWith(Legal.BattleMegas);
hs.UnionWith(Legal.BattlePrimals);
return hs;
}
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private static readonly HashSet<int> SafariFloette = new HashSet<int> { 0, 1, 3 }; // 0/1/3 - RBY
private void VerifyFormFriendSafari(LegalityAnalysis data)
{
var pkm = data.pkm;
switch (pkm.Species)
{
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case (int)Species.Floette when !SafariFloette.Contains(pkm.AltForm): // Floette
case (int)Species.Florges when !SafariFloette.Contains(pkm.AltForm): // Florges
data.AddLine(GetInvalid(LFormSafariFlorgesColor));
break;
case 710 when pkm.AltForm != 0: // Pumpkaboo
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case (int)Species.Gourgeist when pkm.AltForm != 0: // Average
data.AddLine(GetInvalid(LFormSafariPumpkabooAverage));
break;
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case (int)Species.Gastrodon when pkm.AltForm != 0: // West
data.AddLine(GetInvalid(LFormSafariFlorgesColor));
break;
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case (int)Species.Sawsbuck when pkm.AltForm != 0: // Sawsbuck
data.AddLine(GetInvalid(LFormSafariSawsbuckSpring));
break;
}
}
private CheckResult VerifyFormArgument(LegalityAnalysis data, IFormArgument f)
{
var pkm = data.pkm;
switch (data.pkm.Species)
{
default:
{
if (f.FormArgument != 0)
return GetInvalid(LFormArgumentNotAllowed);
break;
}
case (int)Species.Furfrou:
{
if (f.FormArgument > 5)
return GetInvalid(LFormArgumentHigh);
if (f.FormArgument == 0 && pkm.AltForm != 0)
return GetInvalid(LFormArgumentNotAllowed);
if (f.FormArgument != 0 && pkm.AltForm == 0)
return GetInvalid(LFormArgumentNotAllowed);
break;
}
case (int)Species.Hoopa:
{
if (f.FormArgument > 3)
return GetInvalid(LFormArgumentHigh);
if (f.FormArgument == 0 && pkm.AltForm != 0)
return GetInvalid(LFormArgumentNotAllowed);
if (f.FormArgument != 0 && pkm.AltForm == 0)
return GetInvalid(LFormArgumentNotAllowed);
break;
}
case (int)Species.Yamask when pkm.AltForm == 1:
{
if (pkm.IsEgg)
{
if (f.FormArgument != 0)
return GetInvalid(LFormArgumentNotAllowed);
break;
}
var hp_max = GetYamask1MaxHP(pkm);
if (f.FormArgument > hp_max)
return GetInvalid(LFormArgumentHigh);
break;
}
case (int)Species.Runerigus:
{
if (data.EncounterMatch.Species == (int)Species.Runerigus)
{
if (f.FormArgument != 0)
return GetInvalid(LFormArgumentNotAllowed);
}
else
{
if (f.FormArgument < 49)
return GetInvalid(LFormArgumentLow);
var hp_max = GetYamask1MaxHP(pkm);
if (f.FormArgument > hp_max)
return GetInvalid(LFormArgumentHigh);
}
break;
}
case (int)Species.Alcremie:
{
if (data.EncounterMatch.Species == (int)Species.Alcremie)
{
if (f.FormArgument != 0)
return GetInvalid(LFormArgumentNotAllowed);
}
else
{
if (f.FormArgument > (uint)AlcremieDecoration.Ribbon)
return GetInvalid(LFormArgumentHigh);
}
break;
}
}
return GetValid(LFormArgumentValid);
}
private static int GetYamask1MaxHP(PKM pkm)
{
var lvl = pkm.CurrentLevel; // assume it was evolved at the current level (no further level ups)
var iv_hp = pkm is IHyperTrain ht && ht.HT_HP ? 31 : pkm.IV_HP;
const int base_hp = 38;
const int ev_hp = 252; // account for full EVs then removed
// Manually calculate the stat of Galarian Yamask under the most favorable conditions
return ((iv_hp + (2 * base_hp) + (ev_hp / 4) + 100) * lvl / 100) + 10;
}
}
}