From 9ff3300dbf3ade0c2d3467d4c5bf02532a4290a6 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Fri, 11 Nov 2016 02:31:50 -0800
Subject: [PATCH] Legality Checking for Hyper Training

---
 PKHeX/Legality/Analysis.cs |  1 +
 PKHeX/Legality/Checks.cs   | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/PKHeX/Legality/Analysis.cs b/PKHeX/Legality/Analysis.cs
index dd2e11a3c..95d4d3725 100644
--- a/PKHeX/Legality/Analysis.cs
+++ b/PKHeX/Legality/Analysis.cs
@@ -117,6 +117,7 @@ private void updateChecks()
             verifyNickname();
             verifyID();
             verifyIVs();
+            verifyHyperTraining();
             verifyEVs();
             verifyLevel();
             verifyMedals();
diff --git a/PKHeX/Legality/Checks.cs b/PKHeX/Legality/Checks.cs
index 380a1a54e..595b0c7f7 100644
--- a/PKHeX/Legality/Checks.cs
+++ b/PKHeX/Legality/Checks.cs
@@ -301,6 +301,25 @@ private void verifyID()
             else if (pkm.SID == 0)
                 AddLine(Severity.Fishy, "SID is zero.", CheckIdentifier.Trainer);
         }
+
+        private void verifyHyperTraining()
+        {
+            if (pkm.Format < 7)
+                return; // No Hyper Training before Gen VII
+
+            var IVs = new[] { pkm.IV_HP, pkm.IV_ATK, pkm.IV_DEF, pkm.IV_SPA, pkm.IV_SPD, pkm.IV_SPE };
+            var HTs = new[] { pkm.HT_HP, pkm.HT_ATK, pkm.HT_DEF, pkm.HT_SPA, pkm.HT_SPD, pkm.HT_SPE };
+            if (IVs.All(iv => iv == 31) && HTs.Any(ht => ht))
+                AddLine(Severity.Invalid, "Can't Hyper Train a pokemon with perfect IVs.", CheckIdentifier.IVs);
+            else
+            {
+                for (int i = 0; i < 6; i++) // Check individual IVs
+                {
+                    if ((IVs[i] == 31) && HTs[i])
+                        AddLine(Severity.Invalid, "Can't Hyper Train a perfect IV.", CheckIdentifier.IVs);
+                }
+            }
+        }
         private CheckResult verifyEncounter()
         {
             if (pkm.GenNumber < 6)