PKHeX/PKHeX.Core/Legality/LegalityAnalysis.cs

318 lines
11 KiB
C#

#define SUPPRESS
using System;
using System.Collections.Generic;
using System.Linq;
using static PKHeX.Core.LegalityAnalyzers;
using static PKHeX.Core.LegalityCheckStrings;
namespace PKHeX.Core
{
/// <summary>
/// Legality Check object containing the <see cref="CheckResult"/> data and overview values from the parse.
/// </summary>
public sealed class LegalityAnalysis
{
/// <summary> The entity we are checking. </summary>
internal readonly PKM pkm;
/// <summary> The entity's <see cref="PersonalInfo"/>, which may have been sourced from the Save File it resides on. </summary>
/// <remarks>We store this rather than re-fetching, as some games that use the same <see cref="PKM"/> format have different values.</remarks>
internal readonly PersonalInfo PersonalInfo;
private readonly List<CheckResult> Parse = new();
/// <summary>
/// Parse result list allowing view of the legality parse.
/// </summary>
public IReadOnlyList<CheckResult> Results => Parse;
/// <summary>
/// Only use this when trying to mutate the legality. Not for use when checking legality.
/// </summary>
public void ResetParse() => Parse.Clear();
/// <summary>
/// Matched encounter data for the <see cref="pkm"/>.
/// </summary>
public IEncounterable EncounterMatch => Info.EncounterMatch;
/// <summary>
/// Original encounter data for the <see cref="pkm"/>.
/// </summary>
/// <remarks>
/// Generation 1/2 <see cref="pkm"/> that are transferred forward to Generation 7 are restricted to new encounter details.
/// By retaining their original match, more information can be provided by the parse.
/// </remarks>
public IEncounterable EncounterOriginal => Info.EncounterOriginal;
/// <summary>
/// Indicates if all checks ran to completion.
/// </summary>
/// <remarks>This value is false if any checks encountered an error.</remarks>
public readonly bool Parsed;
/// <summary>
/// Indicates if all checks returned a <see cref="Severity.Valid"/> result.
/// </summary>
public readonly bool Valid;
/// <summary>
/// Contains various data reused for multiple checks.
/// </summary>
public readonly LegalInfo Info;
/// <summary>
/// Checks the input <see cref="PKM"/> data for legality. This is the best method for checking with context, as some games do not have all Alternate Form data available.
/// </summary>
/// <param name="pk">Input data to check</param>
/// <param name="table"><see cref="SaveFile"/> specific personal data</param>
public LegalityAnalysis(PKM pk, PersonalTable table) : this(pk, table.GetFormEntry(pk.Species, pk.Form)) { }
/// <summary>
/// Checks the input <see cref="PKM"/> data for legality.
/// </summary>
/// <param name="pk">Input data to check</param>
public LegalityAnalysis(PKM pk) : this(pk, pk.PersonalInfo) { }
/// <summary>
/// Checks the input <see cref="PKM"/> data for legality.
/// </summary>
/// <param name="pk">Input data to check</param>
/// <param name="pi">Personal info to parse with</param>
public LegalityAnalysis(PKM pk, PersonalInfo pi)
{
pkm = pk;
PersonalInfo = pi;
if (pkm.Format <= 2) // prior to storing GameVersion
pkm.TradebackStatus = GBRestrictions.GetTradebackStatusInitial(pkm);
Info = new LegalInfo(pkm);
#if SUPPRESS
try
#endif
{
EncounterFinder.FindVerifiedEncounter(pkm, Info);
if (!pkm.IsOriginValid)
AddLine(Severity.Invalid, LEncConditionBadSpecies, CheckIdentifier.GameOrigin);
GetParseMethod()();
if (Parse.Count == 0) // shouldn't ever happen as at least one is yielded above.
{
AddLine(Severity.Invalid, L_AError, CheckIdentifier.Misc);
return;
}
Valid = Parse.All(chk => chk.Valid)
&& Info.Moves.All(m => m.Valid)
&& Info.Relearn.All(m => m.Valid);
if (!Valid && pkm.FatefulEncounter && Info.Relearn.Any(chk => !chk.Valid) && EncounterMatch is EncounterInvalid)
AddLine(Severity.Indeterminate, LFatefulGiftMissing, CheckIdentifier.Fateful);
Parsed = true;
}
#if SUPPRESS
// We want to swallow any error from malformed input data from the user. The Valid state is all that we really need.
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception e)
#pragma warning restore CA1031 // Do not catch general exception types
{
System.Diagnostics.Debug.WriteLine(e.Message);
Valid = false;
// Moves and Relearn arrays can potentially be empty on error.
// ReSharper disable once ConstantNullCoalescingCondition
for (int i = 0; i < Info.Moves.Length; i++)
Info.Moves[i] ??= new CheckMoveResult(MoveSource.None, pkm.Format, Severity.Indeterminate, L_AError, CheckIdentifier.CurrentMove);
// ReSharper disable once ConstantNullCoalescingCondition
for (int i = 0; i < Info.Relearn.Length; i++)
Info.Relearn[i] ??= new CheckResult(Severity.Indeterminate, L_AError, CheckIdentifier.CurrentMove);
AddLine(Severity.Invalid, L_AError, CheckIdentifier.Misc);
}
#endif
}
private Action GetParseMethod()
{
if (pkm.Format <= 2) // prior to storing GameVersion
return ParsePK1;
int gen = pkm.Generation;
if (gen <= 0)
gen = pkm.Format;
return gen switch
{
3 => ParsePK3,
4 => ParsePK4,
5 => ParsePK5,
6 => ParsePK6,
1 => ParsePK7,
2 => ParsePK7,
7 => ParsePK7,
8 => ParsePK8,
_ => throw new Exception()
};
}
private void ParsePK1()
{
UpdateInfo();
if (pkm.TradebackStatus == TradebackType.Any && Info.Generation != pkm.Format)
pkm.TradebackStatus = TradebackType.WasTradeback; // Example: GSC Pokemon with only possible encounters in RBY, like the legendary birds
Nickname.Verify(this);
Level.Verify(this);
Level.VerifyG1(this);
Trainer.VerifyOTG1(this);
MiscValues.VerifyMiscG1(this);
if (pkm.Format == 2)
Item.Verify(this);
}
private void ParsePK3()
{
UpdateInfo();
UpdateChecks();
if (pkm.Format > 3)
Transfer.VerifyTransferLegalityG3(this);
if (pkm.Version == (int)GameVersion.CXD)
CXD.Verify(this);
if (Info.EncounterMatch is WC3 {NotDistributed: true})
AddLine(Severity.Invalid, LEncUnreleased, CheckIdentifier.Encounter);
if (pkm.Format >= 8)
Transfer.VerifyTransferLegalityG8(this);
}
private void ParsePK4()
{
UpdateInfo();
UpdateChecks();
if (pkm.Format > 4)
Transfer.VerifyTransferLegalityG4(this);
if (pkm.Format >= 8)
Transfer.VerifyTransferLegalityG8(this);
}
private void ParsePK5()
{
UpdateInfo();
UpdateChecks();
NHarmonia.Verify(this);
if (pkm.Format >= 8)
Transfer.VerifyTransferLegalityG8(this);
}
private void ParsePK6()
{
UpdateInfo();
UpdateChecks();
if (pkm.Format >= 8)
Transfer.VerifyTransferLegalityG8(this);
}
private void ParsePK7()
{
UpdateInfo();
if (pkm.VC)
UpdateVCTransferInfo();
UpdateChecks();
if (pkm.Format >= 8)
Transfer.VerifyTransferLegalityG8(this);
}
private void ParsePK8()
{
UpdateInfo();
UpdateChecks();
Transfer.VerifyTransferLegalityG8(this);
}
/// <summary>
/// Adds a new Check parse value.
/// </summary>
/// <param name="s">Check severity</param>
/// <param name="c">Check comment</param>
/// <param name="i">Check type</param>
internal void AddLine(Severity s, string c, CheckIdentifier i) => AddLine(new CheckResult(s, c, i));
/// <summary>
/// Adds a new Check parse value.
/// </summary>
/// <param name="chk">Check result to add.</param>
internal void AddLine(CheckResult chk) => Parse.Add(chk);
private void UpdateVCTransferInfo()
{
var enc = (Info.EncounterOriginalGB = EncounterMatch);
if (enc is EncounterInvalid)
return;
var vc = EncounterStaticGenerator.GetVCStaticTransferEncounter(pkm, enc, Info.EvoChainsAllGens[7]);
Info.EncounterMatch = vc;
foreach (var z in Transfer.VerifyVCEncounter(pkm, enc, vc, Info.Moves))
AddLine(z);
Transfer.VerifyTransferLegalityG12(this);
}
private void UpdateInfo()
{
Parse.AddRange(Info.Parse);
}
private void UpdateChecks()
{
PIDEC.Verify(this);
Nickname.Verify(this);
LanguageIndex.Verify(this);
Trainer.Verify(this);
IndividualValues.Verify(this);
EffortValues.Verify(this);
Level.Verify(this);
Ribbon.Verify(this);
AbilityValues.Verify(this);
BallIndex.Verify(this);
FormValues.Verify(this);
MiscValues.Verify(this);
GenderValues.Verify(this);
Item.Verify(this);
Contest.Verify(this);
var format = pkm.Format;
if (format is 4 or 5 or 6)
Gen4EncounterType.Verify(this); // Gen 6->7 transfer deletes encounter type data
if (format < 6)
return;
History.Verify(this);
if (format < 8)
ConsoleRegion.Verify(this); // Gen 7->8 transfer deletes geolocation tracking data
if (pkm is ITrainerMemories)
Memory.Verify(this);
if (pkm is ISuperTrain)
Medal.Verify(this);
if (format < 7)
return;
HyperTraining.Verify(this);
MiscValues.VerifyVersionEvolution(this);
if (format < 8)
return;
Mark.Verify(this);
}
}
}