mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-25 03:43:16 +00:00
293 lines
10 KiB
C#
293 lines
10 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
|
|
using PKHeX.Core.Searching;
|
|
using static PKHeX.Core.CheckIdentifier;
|
|
|
|
namespace PKHeX.Core
|
|
{
|
|
public sealed class BulkAnalysis
|
|
{
|
|
public readonly IReadOnlyList<PKM> AllData;
|
|
public readonly IReadOnlyList<LegalityAnalysis> AllAnalysis;
|
|
public readonly ITrainerInfo Trainer;
|
|
public readonly List<CheckResult> Parse = new List<CheckResult>();
|
|
public readonly bool Valid;
|
|
|
|
private readonly bool[] CloneFlags;
|
|
|
|
public BulkAnalysis(SaveFile sav)
|
|
{
|
|
Trainer = sav;
|
|
AllData = sav.GetAllPKM();
|
|
AllAnalysis = GetIndividualAnalysis(AllData);
|
|
CloneFlags = new bool[AllData.Count];
|
|
|
|
Valid = ScanAll();
|
|
}
|
|
|
|
public BulkAnalysis(ITrainerInfo tr, IEnumerable<PKM> pkms)
|
|
{
|
|
Trainer = tr;
|
|
AllData = pkms is IReadOnlyList<PKM> pk ? pk : pkms.ToList();
|
|
AllAnalysis = GetIndividualAnalysis(AllData);
|
|
CloneFlags = new bool[AllData.Count];
|
|
|
|
Valid = ScanAll();
|
|
}
|
|
|
|
private bool ScanAll()
|
|
{
|
|
CheckClones();
|
|
if (Trainer.Generation <= 2)
|
|
return Parse.All(z => z.Valid);
|
|
|
|
CheckIDReuse();
|
|
CheckPIDReuse();
|
|
if (Trainer.Generation >= 6)
|
|
CheckECReuse();
|
|
|
|
CheckDuplicateOwnedGifts();
|
|
return Parse.All(z => z.Valid);
|
|
}
|
|
|
|
private void AddLine(PKM first, PKM second, string msg, CheckIdentifier i, Severity s = Severity.Invalid)
|
|
{
|
|
static string GetSummary(PKM pk) => $"[{pk.Box:00}, {pk.Slot:00}] {pk.FileName}";
|
|
|
|
var c = $"{msg}{Environment.NewLine}{GetSummary(first)}{Environment.NewLine}{GetSummary(second)}";
|
|
var chk = new CheckResult(s, c, i);
|
|
Parse.Add(chk);
|
|
}
|
|
|
|
private void CheckClones()
|
|
{
|
|
var dict = new Dictionary<string, LegalityAnalysis>();
|
|
for (int i = 0; i < AllData.Count; i++)
|
|
{
|
|
var cp = AllData[i];
|
|
var ca = AllAnalysis[i];
|
|
Debug.Assert(cp.Format == Trainer.Generation);
|
|
|
|
var identity = SearchUtil.HashByDetails(cp);
|
|
if (!dict.TryGetValue(identity, out var pa))
|
|
{
|
|
dict.Add(identity, ca);
|
|
continue;
|
|
}
|
|
|
|
CloneFlags[i] = true;
|
|
AddLine(pa.pkm, cp, "Clone detected.", Encounter);
|
|
}
|
|
}
|
|
|
|
private void CheckDuplicateOwnedGifts()
|
|
{
|
|
var dupes = AllAnalysis.Where(z =>
|
|
z.Info.Generation >= 3
|
|
&& z.EncounterOriginal is MysteryGift g
|
|
&& g.EggEncounter
|
|
&& !z.pkm.WasTradedEgg)
|
|
.GroupBy(z => ((MysteryGift)z.EncounterOriginal).CardTitle);
|
|
|
|
foreach (var dupe in dupes)
|
|
{
|
|
var tidGroup = dupe.GroupBy(z => z.pkm.TID | (z.pkm.SID << 16))
|
|
.Select(z => z.ToList())
|
|
.Where(z => z.Count >= 2).ToList();
|
|
if (tidGroup.Count == 0)
|
|
continue;
|
|
|
|
AddLine(tidGroup[0][0].pkm, tidGroup[0][1].pkm, $"Receipt of the same egg mystery gifts detected: {dupe.Key}", Encounter);
|
|
}
|
|
}
|
|
|
|
private void CheckECReuse()
|
|
{
|
|
var dict = new Dictionary<uint, LegalityAnalysis>();
|
|
for (int i = 0; i < AllData.Count; i++)
|
|
{
|
|
if (CloneFlags[i])
|
|
continue; // already flagged
|
|
var cp = AllData[i];
|
|
var ca = AllAnalysis[i];
|
|
Debug.Assert(cp.Format >= 6);
|
|
var id = cp.EncryptionConstant;
|
|
|
|
if (!dict.TryGetValue(id, out var pa))
|
|
{
|
|
dict.Add(id, ca);
|
|
continue;
|
|
}
|
|
VerifyECShare(pa, ca);
|
|
}
|
|
}
|
|
|
|
private void CheckPIDReuse()
|
|
{
|
|
var dict = new Dictionary<uint, LegalityAnalysis>();
|
|
for (int i = 0; i < AllData.Count; i++)
|
|
{
|
|
if (CloneFlags[i])
|
|
continue; // already flagged
|
|
var cp = AllData[i];
|
|
var ca = AllAnalysis[i];
|
|
bool g345 = 3 <= ca.Info.Generation && ca.Info.Generation <= 5;
|
|
var id = g345 ? cp.EncryptionConstant : cp.PID;
|
|
|
|
if (!dict.TryGetValue(id, out var pa))
|
|
{
|
|
dict.Add(id, ca);
|
|
continue;
|
|
}
|
|
VerifyPIDShare(pa, ca);
|
|
}
|
|
}
|
|
|
|
private void CheckIDReuse()
|
|
{
|
|
var dict = new Dictionary<int, LegalityAnalysis>();
|
|
for (int i = 0; i < AllData.Count; i++)
|
|
{
|
|
if (CloneFlags[i])
|
|
continue; // already flagged
|
|
var cp = AllData[i];
|
|
var ca = AllAnalysis[i];
|
|
var id = cp.TID + (cp.SID << 16);
|
|
Debug.Assert(cp.TID <= ushort.MaxValue);
|
|
|
|
if (!dict.TryGetValue(id, out var pa))
|
|
{
|
|
dict.Add(id, ca);
|
|
continue;
|
|
}
|
|
|
|
// ignore GB era collisions
|
|
// a 16bit TID can reasonably occur for multiple trainers, and versions
|
|
if (ca.Info.Generation <= 2 && pa.Info.Generation <= 2)
|
|
continue;
|
|
|
|
var pp = pa.pkm;
|
|
if (VerifyIDReuse(pp, pa, cp, ca))
|
|
continue;
|
|
|
|
// egg encounters can be traded before hatching
|
|
// store the current loop pkm if it's a better reference
|
|
if (pp.WasTradedEgg && !cp.WasTradedEgg)
|
|
dict[id] = ca;
|
|
}
|
|
}
|
|
|
|
private void VerifyECShare(LegalityAnalysis pa, LegalityAnalysis ca)
|
|
{
|
|
const CheckIdentifier ident = PID;
|
|
int gen = pa.Info.Generation;
|
|
bool gbaNDS = 3 <= gen && gen <= 5;
|
|
|
|
if (!gbaNDS)
|
|
{
|
|
if (ca.Info.Generation != gen)
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "EC sharing across generations detected.", ident);
|
|
return;
|
|
}
|
|
AddLine(pa.pkm, ca.pkm, "EC sharing for 3DS-onward origin detected.", ident);
|
|
return;
|
|
}
|
|
|
|
// eggs/mystery gifts shouldn't share with wild encounters
|
|
var cenc = ca.Info.EncounterMatch;
|
|
bool eggMysteryCurrent = cenc is EncounterEgg || cenc is MysteryGift;
|
|
var penc = pa.Info.EncounterMatch;
|
|
bool eggMysteryPrevious = penc is EncounterEgg || penc is MysteryGift;
|
|
|
|
if (eggMysteryCurrent != eggMysteryPrevious)
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "EC sharing across RNG encounters detected.", ident);
|
|
}
|
|
}
|
|
|
|
private void VerifyPIDShare(LegalityAnalysis pa, LegalityAnalysis ca)
|
|
{
|
|
const CheckIdentifier ident = PID;
|
|
int gen = pa.Info.Generation;
|
|
if (ca.Info.Generation != gen)
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "PID sharing across generations detected.", ident);
|
|
return;
|
|
}
|
|
|
|
bool gbaNDS = 3 <= gen && gen <= 5;
|
|
if (!gbaNDS)
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "PID sharing for 3DS-onward origin detected.", ident);
|
|
return;
|
|
}
|
|
|
|
// eggs/mystery gifts shouldn't share with wild encounters
|
|
var cenc = ca.Info.EncounterMatch;
|
|
bool eggMysteryCurrent = cenc is EncounterEgg || cenc is MysteryGift;
|
|
var penc = pa.Info.EncounterMatch;
|
|
bool eggMysteryPrevious = penc is EncounterEgg || penc is MysteryGift;
|
|
|
|
if (eggMysteryCurrent != eggMysteryPrevious)
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "PID sharing across RNG encounters detected.", ident);
|
|
}
|
|
}
|
|
|
|
private bool VerifyIDReuse(PKM pp, LegalityAnalysis pa, PKM cp, LegalityAnalysis ca)
|
|
{
|
|
if (pa.EncounterMatch is MysteryGift g1 && !g1.EggEncounter)
|
|
return false;
|
|
if (ca.EncounterMatch is MysteryGift g2 && !g2.EggEncounter)
|
|
return false;
|
|
|
|
const CheckIdentifier ident = CheckIdentifier.Trainer;
|
|
|
|
// 32bit ID-SID should only occur for one generation
|
|
// Trainer-ID-SID should only occur for one version
|
|
if (IsSharedVersion(pp, pa, cp, ca))
|
|
{
|
|
AddLine(pa.pkm, ca.pkm, "TID sharing across versions detected.", ident);
|
|
return true;
|
|
}
|
|
|
|
// ID-SID should only occur for one Trainer name
|
|
if (pp.OT_Name != cp.OT_Name)
|
|
{
|
|
var severity = ca.Info.Generation == 4 ? Severity.Fishy : Severity.Invalid;
|
|
AddLine(pa.pkm, ca.pkm, "TID sharing across different trainer names detected.", ident, severity);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static bool IsSharedVersion(PKM pp, LegalityAnalysis pa, PKM cp, LegalityAnalysis ca)
|
|
{
|
|
if (pp.Version == cp.Version)
|
|
return false;
|
|
|
|
// Traded eggs retain the original version ID, only on the same generation
|
|
if (pa.Info.Generation != ca.Info.Generation)
|
|
return false;
|
|
|
|
if (pa.EncounterMatch.EggEncounter && pp.WasTradedEgg)
|
|
return false; // version doesn't update on trade
|
|
if (ca.EncounterMatch.EggEncounter && cp.WasTradedEgg)
|
|
return false; // version doesn't update on trade
|
|
|
|
return true;
|
|
}
|
|
|
|
private static IReadOnlyList<LegalityAnalysis> GetIndividualAnalysis(IReadOnlyList<PKM> pkms)
|
|
{
|
|
var results = new LegalityAnalysis[pkms.Count];
|
|
for (int i = 0; i < pkms.Count; i++)
|
|
results[i] = new LegalityAnalysis(pkms[i]);
|
|
return results;
|
|
}
|
|
}
|
|
}
|