From 3d0d8fa6497a1a800a19affbbac5cf0945dc5dc2 Mon Sep 17 00:00:00 2001
From: Kurt <kaphotics@gmail.com>
Date: Sun, 21 Oct 2018 21:07:33 -0500
Subject: [PATCH] Add first shadow lock check

Currently toggled off, can be optionally toggled on (I'm not sure that
it's perfect? Random save files have stuff flagged since they don't
match the lock; will have to investigate later)
---
 .../Encounters/Generator/EncounterGenerator.cs   | 16 ++++++++++++++--
 PKHeX.Core/Legality/Verifiers/ParseSettings.cs   |  5 +++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/PKHeX.Core/Legality/Encounters/Generator/EncounterGenerator.cs b/PKHeX.Core/Legality/Encounters/Generator/EncounterGenerator.cs
index cb61274be..b36881411 100644
--- a/PKHeX.Core/Legality/Encounters/Generator/EncounterGenerator.cs
+++ b/PKHeX.Core/Legality/Encounters/Generator/EncounterGenerator.cs
@@ -61,8 +61,20 @@ private static IEnumerable<IEncounterable> GetEncounters3(PKM pkm, LegalInfo inf
             var deferred = new List<IEncounterable>();
             foreach (var z in GenerateRawEncounters3(pkm, info))
             {
-                if (z is EncounterSlot w && pkm.Version == 15)
-                    info.PIDIV = MethodFinder.GetPokeSpotSeeds(pkm, w.SlotNumber).FirstOrDefault() ?? info.PIDIV;
+                if (pkm.Version == 15)
+                {
+                    if (z is EncounterSlot w)
+                    {
+                        var seeds = MethodFinder.GetPokeSpotSeeds(pkm, w.SlotNumber).FirstOrDefault();
+                        info.PIDIV = seeds ?? info.PIDIV;
+                    }
+                    else if (ParseSettings.FlagCXDShadowFirstLockMismatch
+                        && z is EncounterStaticShadow s && !LockFinder.IsFirstShadowLockValid(s, info.PIDIV))
+                    {
+                        deferred.Add(s);
+                        continue;
+                    }
+                }
                 if (info.PIDIV.Type.IsCompatible3(z, pkm))
                     yield return z;
                 else
diff --git a/PKHeX.Core/Legality/Verifiers/ParseSettings.cs b/PKHeX.Core/Legality/Verifiers/ParseSettings.cs
index 1eaef079b..5d5a1512d 100644
--- a/PKHeX.Core/Legality/Verifiers/ParseSettings.cs
+++ b/PKHeX.Core/Legality/Verifiers/ParseSettings.cs
@@ -23,6 +23,11 @@ public static class ParseSettings
         public static Severity NicknamedMysteryGift { get; set; } = Severity.Fishy;
         public static Severity RNGFrameNotFound { get; set; } = Severity.Fishy;
 
+        /// <summary>
+        /// Setting to specify if an analysis should flag a shadow encounter that does not match the first lock.
+        /// </summary>
+        public static bool FlagCXDShadowFirstLockMismatch { get; set; }
+
         /// <summary>
         /// Checks to see if Crystal is available to visit/originate from.
         /// </summary>