PKHeX/PKHeX.Core/Legality/Verifiers/MiscVerifier.cs
2021-01-10 18:15:33 -08:00

445 lines
19 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using static PKHeX.Core.LegalityCheckStrings;
using static PKHeX.Core.CheckIdentifier;
namespace PKHeX.Core
{
/// <summary>
/// Verifies miscellaneous data including <see cref="PKM.FatefulEncounter"/> and minor values.
/// </summary>
public sealed class MiscVerifier : Verifier
{
protected override CheckIdentifier Identifier => Misc;
public override void Verify(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.IsEgg)
{
VerifyMiscEggCommon(data);
if (pkm is IContestStats s && s.HasContestStats())
data.AddLine(GetInvalid(LEggContest, Egg));
switch (pkm)
{
case PK5 pk5 when pk5.PokeStarFame != 0 && pk5.IsEgg:
data.AddLine(GetInvalid(LEggShinyPokeStar, Egg));
break;
case PK4 pk4 when pk4.ShinyLeaf != 0:
data.AddLine(GetInvalid(LEggShinyLeaf, Egg));
break;
case PK4 pk4 when pk4.PokéathlonStat != 0:
data.AddLine(GetInvalid(LEggPokeathlon, Egg));
break;
case PK3 when pkm.Language != 1: // All Eggs are Japanese and flagged specially for localized string
data.AddLine(GetInvalid(string.Format(LOTLanguage, LanguageID.Japanese, (LanguageID)pkm.Language), Egg));
break;
}
if (pkm is IHomeTrack {Tracker: not 0})
data.AddLine(GetInvalid(LTransferTrackerShouldBeZero));
}
else
{
VerifyMiscMovePP(data);
}
switch (pkm)
{
case PK7 {ResortEventStatus: >= 20}:
data.AddLine(GetInvalid(LTransferBad));
break;
case PB7 pb7:
VerifyBelugaStats(data, pb7);
break;
case PK8 pk8:
VerifySWSHStats(data, pk8);
break;
}
if (pkm.Format >= 6)
VerifyFullness(data, pkm);
VerifyMiscFatefulEncounter(data);
}
public void VerifyMiscG1(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.IsEgg)
VerifyMiscEggCommon(data);
if (pkm is not PK1 pk1)
return;
VerifyMiscG1Types(data, pk1);
VerifyMiscG1CatchRate(data, pk1);
}
private void VerifyMiscG1Types(LegalityAnalysis data, PK1 pk1)
{
var Type_A = pk1.Type_A;
var Type_B = pk1.Type_B;
var species = pk1.Species;
if (species == (int)Species.Porygon)
{
// Can have any type combination of any species by using Conversion.
if (!GBRestrictions.TypeIDExists(Type_A))
{
data.AddLine(GetInvalid(LG1TypePorygonFail1));
}
if (!GBRestrictions.TypeIDExists(Type_B))
{
data.AddLine(GetInvalid(LG1TypePorygonFail2));
}
else // Both types exist, ensure a Gen1 species has this combination
{
var TypesAB_Match = PersonalTable.RB.IsValidTypeCombination(Type_A, Type_B);
var result = TypesAB_Match ? GetValid(LG1TypeMatchPorygon) : GetInvalid(LG1TypePorygonFail);
data.AddLine(result);
}
}
else // Types must match species types
{
var pi = PersonalTable.RB[species];
var Type_A_Match = Type_A == pi.Type1;
var Type_B_Match = Type_B == pi.Type2;
var first = Type_A_Match ? GetValid(LG1TypeMatch1) : GetInvalid(LG1Type1Fail);
var second = Type_B_Match || (ParseSettings.AllowGBCartEra && ((species is (int)Species.Magnemite or (int)Species.Magneton) && Type_B == 9)) // Steel Magnemite via Stadium2
? GetValid(LG1TypeMatch2) : GetInvalid(LG1Type2Fail);
data.AddLine(first);
data.AddLine(second);
}
}
private void VerifyMiscG1CatchRate(LegalityAnalysis data, PK1 pk1)
{
var catch_rate = pk1.Catch_Rate;
var result = pk1.TradebackStatus == TradebackType.Gen1_NotTradeback
? GetWasNotTradeback()
: GetWasTradeback();
data.AddLine(result);
CheckResult GetWasTradeback()
{
if (catch_rate == 0 || Legal.HeldItems_GSC.Contains((ushort)catch_rate))
return GetValid(LG1CatchRateMatchTradeback);
if (pk1.TradebackStatus == TradebackType.WasTradeback)
return GetInvalid(LG1CatchRateItem);
return GetWasNotTradeback();
}
CheckResult GetWasNotTradeback()
{
var e = data.EncounterMatch;
if (e is EncounterStatic1E {Version: GameVersion.Stadium} || e is EncounterTrade1)
return GetValid(LG1CatchRateMatchPrevious); // Encounters detected by the catch rate, cant be invalid if match this encounters
int species = pk1.Species;
if ((species == (int)Species.Dragonite && catch_rate == 9) || (GBRestrictions.Species_NotAvailable_CatchRate.Contains(species) && catch_rate == PersonalTable.RB[species].CatchRate))
return GetInvalid(LG1CatchRateEvo);
if (!data.Info.EvoChainsAllGens[1].Any(c => RateMatchesEncounter(c.Species)))
return GetInvalid(pk1.Gen1_NotTradeback ? LG1CatchRateChain : LG1CatchRateNone);
return GetValid(LG1CatchRateMatchPrevious);
}
bool RateMatchesEncounter(int species)
{
if (catch_rate == PersonalTable.RB[species].CatchRate)
return true;
if (catch_rate == PersonalTable.Y[species].CatchRate)
return true;
return false;
}
}
private static void VerifyMiscFatefulEncounter(LegalityAnalysis data)
{
var pkm = data.pkm;
var enc = data.EncounterMatch;
switch (enc)
{
case WC3 {Fateful: true} w:
if (w.IsEgg)
{
// Eggs hatched in RS clear the obedience flag!
// Hatching in Gen3 doesn't change the origin version.
if (pkm.Format != 3)
return; // possible hatched in either game, don't bother checking
if (pkm.Met_Location <= 087) // hatched in RS or Emerald
return; // possible hatched in either game, don't bother checking
// else, ensure fateful is active (via below)
}
VerifyFatefulIngameActive(data);
VerifyWC3Shiny(data, w);
return;
case WC3 w:
if (w.Version == GameVersion.XD)
return; // Can have either state
VerifyWC3Shiny(data, w);
break;
case MysteryGift g: // WC3 handled above
VerifyReceivability(data, g);
VerifyFatefulMysteryGift(data, g);
return;
case EncounterStatic {Fateful: true}: // ingame fateful
case EncounterSlot3PokeSpot: // ingame pokespot
case EncounterTrade4RanchSpecial: // ranch varied PID
VerifyFatefulIngameActive(data);
return;
}
if (pkm.FatefulEncounter)
data.AddLine(GetInvalid(LFatefulInvalid, Fateful));
}
private static void VerifyMiscMovePP(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Move1_PP > pkm.GetMovePP(pkm.Move1, pkm.Move1_PPUps))
data.AddLine(GetInvalid(string.Format(LMovePPTooHigh_0, 1), CurrentMove));
if (pkm.Move2_PP > pkm.GetMovePP(pkm.Move2, pkm.Move2_PPUps))
data.AddLine(GetInvalid(string.Format(LMovePPTooHigh_0, 2), CurrentMove));
if (pkm.Move3_PP > pkm.GetMovePP(pkm.Move3, pkm.Move3_PPUps))
data.AddLine(GetInvalid(string.Format(LMovePPTooHigh_0, 3), CurrentMove));
if (pkm.Move4_PP > pkm.GetMovePP(pkm.Move4, pkm.Move4_PPUps))
data.AddLine(GetInvalid(string.Format(LMovePPTooHigh_0, 4), CurrentMove));
}
private static void VerifyMiscEggCommon(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Move1_PPUps > 0 || pkm.Move2_PPUps > 0 || pkm.Move3_PPUps > 0 || pkm.Move4_PPUps > 0)
data.AddLine(GetInvalid(LEggPPUp, Egg));
if (pkm.Move1_PP != pkm.GetMovePP(pkm.Move1, 0) || pkm.Move2_PP != pkm.GetMovePP(pkm.Move2, 0) || pkm.Move3_PP != pkm.GetMovePP(pkm.Move3, 0) || pkm.Move4_PP != pkm.GetMovePP(pkm.Move4, 0))
data.AddLine(GetInvalid(LEggPP, Egg));
var enc = data.EncounterMatch;
var HatchCycles = enc is EncounterStatic s ? s.EggCycles : 0;
if (HatchCycles == 0) // no value set
HatchCycles = pkm.PersonalInfo.HatchCycles;
if (pkm.OT_Friendship > HatchCycles)
data.AddLine(GetInvalid(LEggHatchCycles, Egg));
if (pkm.Format >= 6 && enc is EncounterEgg && !pkm.Moves.SequenceEqual(pkm.RelearnMoves))
{
var moves = string.Join(", ", ParseSettings.GetMoveNames(pkm.Moves));
var msg = string.Format(LMoveFExpect_0, moves);
data.AddLine(GetInvalid(msg, Egg));
}
if (pkm is PK8 pk8)
{
if (pk8.HasAnyMoveRecordFlag())
data.AddLine(GetInvalid(LEggRelearnFlags, Egg));
if (pk8.StatNature != pk8.Nature)
data.AddLine(GetInvalid(LEggNature, Egg));
}
}
private static void VerifyFatefulMysteryGift(LegalityAnalysis data, MysteryGift g)
{
var pkm = data.pkm;
if (g is PGF {IsShiny: true})
{
var Info = data.Info;
Info.PIDIV = MethodFinder.Analyze(pkm);
if (Info.PIDIV.Type != PIDType.G5MGShiny && pkm.Egg_Location != Locations.LinkTrade5)
data.AddLine(GetInvalid(LPIDTypeMismatch, PID));
}
var result = pkm.FatefulEncounter != pkm.WasLink
? GetValid(LFatefulMystery, Fateful)
: GetInvalid(LFatefulMysteryMissing, Fateful);
data.AddLine(result);
}
private static void VerifyReceivability(LegalityAnalysis data, MysteryGift g)
{
var pkm = data.pkm;
switch (g)
{
case WC6 wc6 when !wc6.CanBeReceivedByVersion(pkm.Version) && !pkm.WasTradedEgg:
case WC7 wc7 when !wc7.CanBeReceivedByVersion(pkm.Version) && !pkm.WasTradedEgg:
case WC8 wc8 when !wc8.CanBeReceivedByVersion(pkm.Version) && !pkm.WasTradedEgg:
data.AddLine(GetInvalid(LEncGiftVersionNotDistributed, GameOrigin));
return;
case WC6 wc6 when wc6.RestrictLanguage != 0 && pkm.Language != wc6.RestrictLanguage:
data.AddLine(GetInvalid(string.Format(LOTLanguage, wc6.RestrictLanguage, pkm.Language), CheckIdentifier.Language));
return;
case WC7 wc7 when wc7.RestrictLanguage != 0 && pkm.Language != wc7.RestrictLanguage:
data.AddLine(GetInvalid(string.Format(LOTLanguage, wc7.RestrictLanguage, pkm.Language), CheckIdentifier.Language));
return;
}
}
private static void VerifyWC3Shiny(LegalityAnalysis data, WC3 g3)
{
// check for shiny locked gifts
if (!g3.Shiny.IsValid(data.pkm))
data.AddLine(GetInvalid(LEncGiftShinyMismatch, Fateful));
}
private static void VerifyFatefulIngameActive(LegalityAnalysis data)
{
var pkm = data.pkm;
var result = pkm.FatefulEncounter
? GetValid(LFateful, Fateful)
: GetInvalid(LFatefulMissing, Fateful);
data.AddLine(result);
}
public void VerifyVersionEvolution(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Format < 7 || data.EncounterMatch.Species == pkm.Species)
return;
// No point using the evolution tree. Just handle certain species.
switch (pkm.Species)
{
case (int)Species.Lycanroc when pkm.Format == 7 && ((pkm.Form == 0 && Moon()) || (pkm.Form == 1 && Sun())):
case (int)Species.Solgaleo when Moon():
case (int)Species.Lunala when Sun():
bool Sun() => (pkm.Version & 1) == 0;
bool Moon() => (pkm.Version & 1) == 1;
if (pkm.IsUntraded)
data.AddLine(GetInvalid(LEvoTradeRequired, Evolution));
break;
}
}
private static void VerifyFullness(LegalityAnalysis data, PKM pkm)
{
if (pkm.IsEgg)
{
if (pkm.Fullness != 0)
data.AddLine(GetInvalid(string.Format(LMemoryStatFullness, 0), Encounter));
if (pkm.Enjoyment != 0)
data.AddLine(GetInvalid(string.Format(LMemoryStatEnjoyment, 0), Encounter));
return;
}
if (pkm.Format >= 8)
{
if (pkm.Enjoyment != 0)
data.AddLine(GetInvalid(string.Format(LMemoryStatEnjoyment, 0), Encounter));
return;
}
if (pkm.Format != 6 || !pkm.IsUntraded || pkm.XY)
return;
// OR/AS PK6
if (pkm.Fullness == 0)
return;
if (pkm.Species != data.EncounterMatch.Species)
return; // evolved
if (Unfeedable.Contains(pkm.Species))
data.AddLine(GetInvalid(string.Format(LMemoryStatFullness, 0), Encounter));
}
private static readonly HashSet<int> Unfeedable = new()
{
(int)Species.Metapod,
(int)Species.Kakuna,
(int)Species.Pineco,
(int)Species.Silcoon,
(int)Species.Cascoon,
(int)Species.Shedinja,
(int)Species.Spewpa,
};
private static void VerifyBelugaStats(LegalityAnalysis data, PB7 pb7)
{
// ReSharper disable once CompareOfFloatsByEqualityOperator -- THESE MUST MATCH EXACTLY
if (!IsCloseEnough(pb7.HeightAbsolute, pb7.CalcHeightAbsolute))
data.AddLine(GetInvalid(LStatIncorrectHeight, Encounter));
// ReSharper disable once CompareOfFloatsByEqualityOperator -- THESE MUST MATCH EXACTLY
if (!IsCloseEnough(pb7.WeightAbsolute, pb7.CalcWeightAbsolute))
data.AddLine(GetInvalid(LStatIncorrectWeight, Encounter));
if (pb7.Stat_CP != pb7.CalcCP && !IsStarter(pb7))
data.AddLine(GetInvalid(LStatIncorrectCP, Encounter));
}
private static bool IsCloseEnough(float a, float b)
{
var ia = BitConverter.ToInt32(BitConverter.GetBytes(a), 0);
var ib = BitConverter.ToInt32(BitConverter.GetBytes(b), 0);
return Math.Abs(ia - ib) <= 7;
}
private static bool IsStarter(PKM pb7) => (pb7.Species == (int)Species.Pikachu && pb7.Form == 8) || (pb7.Species == (int)Species.Eevee && pb7.Form == 1);
private void VerifySWSHStats(LegalityAnalysis data, PK8 pk8)
{
if (pk8.Favorite)
data.AddLine(GetInvalid(LFavoriteMarkingUnavailable, Encounter));
var sn = pk8.StatNature;
if (sn != pk8.Nature)
{
// Only allow Serious nature (12); disallow all other neutral natures.
if (sn != 12 && (sn > 24 || sn % 6 == 0))
data.AddLine(GetInvalid(LStatNatureInvalid));
}
var bv = pk8.BattleVersion;
if (bv != 0)
{
if ((bv != (int)GameVersion.SW && bv != (int)GameVersion.SH) || pk8.SWSH)
data.AddLine(GetInvalid(LStatBattleVersionInvalid));
}
var enc = data.EncounterMatch;
bool originGMax = enc is IGigantamax {CanGigantamax: true};
if (originGMax != pk8.CanGigantamax)
{
bool ok = !pk8.IsEgg && pk8.CanToggleGigantamax(pk8.Species, pk8.Form, enc.Species, enc.Form);
var chk = ok ? GetValid(LStatGigantamaxValid) : GetInvalid(LStatGigantamaxInvalid);
data.AddLine(chk);
}
if (pk8.DynamaxLevel != 0)
{
if (!pk8.CanHaveDynamaxLevel(pk8) || pk8.DynamaxLevel > 10)
data.AddLine(GetInvalid(LStatDynamaxInvalid));
}
PersonalInfo? pi = null;
for (int i = 0; i < 100; i++)
{
if (!pk8.GetMoveRecordFlag(i))
continue;
if ((pi ??= pk8.PersonalInfo).TMHM[i + 100])
continue;
// Calyrex-0 can have TR flags for Calyrex-1/2 after it has force unlearned them.
// Re-fusing can be reacquire the move via relearner, rather than needing another TR.
// Calyrex-0 cannot reacquire the move via relearner, even though the TR is checked off in the TR list.
if (pk8.Species == (int) Species.Calyrex)
{
var form = pk8.Form;
// Check if another alt form can learn the TR
if ((form != 1 && CanLearnTR((int) Species.Calyrex, 1, i)) || (form != 2 && CanLearnTR((int) Species.Calyrex, 2, i)))
continue;
}
data.AddLine(GetInvalid(string.Format(LMoveSourceTR, ParseSettings.MoveStrings[Legal.TMHM_SWSH[i + 100]])));
}
// weight/height scalars can be legally 0 (1:65536) so don't bother checking
}
private static bool CanLearnTR(int species, int form, int tr)
{
var pi = PersonalTable.SWSH.GetFormEntry(species, form);
return pi.TMHM[tr + 100];
}
}
}