From d5bd36143e9b9d6a9ed825ed2470f2f2e45943cd Mon Sep 17 00:00:00 2001
From: Kurt <kaphotics@gmail.com>
Date: Tue, 1 Dec 2020 16:55:10 -0800
Subject: [PATCH] Add language check for jp-blue gameversion, non-crystal
 female

Closes #3099
Ty @CarlosofKalos !
---
 PKHeX.Core/Legality/LegalityCheckStrings.cs       |  1 +
 PKHeX.Core/Legality/Verifiers/LanguageVerifier.cs | 11 ++++++++---
 PKHeX.Core/Legality/Verifiers/TransferVerifier.cs |  8 ++++++++
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/PKHeX.Core/Legality/LegalityCheckStrings.cs b/PKHeX.Core/Legality/LegalityCheckStrings.cs
index 24856e22e..ea822d7d5 100644
--- a/PKHeX.Core/Legality/LegalityCheckStrings.cs
+++ b/PKHeX.Core/Legality/LegalityCheckStrings.cs
@@ -240,6 +240,7 @@ public static class LegalityCheckStrings
         public static string LG2InvalidTileTreeID { get; set; } = "Found an unreacheable tree for Crystal headbutt encounter that matches OTID.";
         public static string LG2InvalidTileTreeNotFound { get; set; } = "Could not find a tree for Crystal headbutt encounter that matches OTID.";
         public static string LG2TreeID { get; set; } = "Found a tree for Crystal headbutt encounter that matches OTID.";
+        public static string LG2OTGender { get; set; } = "OT from Virtual Console games other than Crystal cannot be female.";
 
         public static string LG3EReader { get; set; } = "Non Japanese Shadow E-reader Pokémon. Unreleased encounter.";
         public static string LG3OTGender { get; set; } = "OT from Colosseum/XD cannot be female.";
diff --git a/PKHeX.Core/Legality/Verifiers/LanguageVerifier.cs b/PKHeX.Core/Legality/Verifiers/LanguageVerifier.cs
index 06de508fc..965bbf1b8 100644
--- a/PKHeX.Core/Legality/Verifiers/LanguageVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/LanguageVerifier.cs
@@ -34,10 +34,15 @@ public override void Verify(LegalityAnalysis data)
                 return;
             }
 
-            // Korean Crystal does not exist, neither do VC1
-            if (originalGeneration <= 2 && pkm.Korean && !GameVersion.GS.Contains((GameVersion)pkm.Version))
+            if (originalGeneration <= 2)
             {
-                data.AddLine(GetInvalid(string.Format(LOTLanguage, $"!={(LanguageID)currentLanguage}", (LanguageID)currentLanguage)));
+                // Korean Crystal does not exist, neither do Korean VC1
+                if (pkm.Korean && !GameVersion.GS.Contains((GameVersion)pkm.Version))
+                    data.AddLine(GetInvalid(string.Format(LOTLanguage, $"!={(LanguageID)currentLanguage}", (LanguageID)currentLanguage)));
+
+                // Japanese VC is language locked; cannot obtain Japanese-Blue version as other languages.
+                if (pkm.Version == (int)GameVersion.BU && !pkm.Japanese)
+                    data.AddLine(GetInvalid(string.Format(LOTLanguage, nameof(LanguageID.Japanese), (LanguageID)currentLanguage)));
             }
         }
 
diff --git a/PKHeX.Core/Legality/Verifiers/TransferVerifier.cs b/PKHeX.Core/Legality/Verifiers/TransferVerifier.cs
index 55e34f08d..4cdcc2c1e 100644
--- a/PKHeX.Core/Legality/Verifiers/TransferVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/TransferVerifier.cs
@@ -18,10 +18,18 @@ public override void Verify(LegalityAnalysis data)
 
         public void VerifyTransferLegalityG12(LegalityAnalysis data)
         {
+            VerifyOTGender(data);
             VerifyTransferVCNatureEXP(data);
             VerifyShinyXorIfShiny(data);
         }
 
+        private void VerifyOTGender(LegalityAnalysis data)
+        {
+            var pkm = data.pkm;
+            if (pkm.OT_Gender == 1 && pkm.Version != (int)GameVersion.C)
+                data.AddLine(GetInvalid(LG2OTGender));
+        }
+
         private void VerifyTransferVCNatureEXP(LegalityAnalysis data)
         {
             var pkm = data.pkm;