From a3c9a513af4e0ecd9d137a8d90d420daae5c49f7 Mon Sep 17 00:00:00 2001
From: Ted John <ted@brambles.org>
Date: Tue, 4 May 2021 21:05:40 +0100
Subject: [PATCH] Fix load/save of research in editor

---
 src/openrct2/Editor.cpp              | 2 --
 src/openrct2/management/Research.cpp | 6 ++++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/openrct2/Editor.cpp b/src/openrct2/Editor.cpp
index dcb7d70789..3a165588e5 100644
--- a/src/openrct2/Editor.cpp
+++ b/src/openrct2/Editor.cpp
@@ -358,8 +358,6 @@ namespace Editor
         gGuestChangeModifier = 0;
         if (fromSave)
         {
-            research_populate_list_random();
-
             if (gParkFlags & PARK_FLAGS_NO_MONEY)
             {
                 gParkFlags |= PARK_FLAGS_NO_MONEY_SCENARIO;
diff --git a/src/openrct2/management/Research.cpp b/src/openrct2/management/Research.cpp
index 4f5f2e5e45..a90abb7cc8 100644
--- a/src/openrct2/management/Research.cpp
+++ b/src/openrct2/management/Research.cpp
@@ -394,6 +394,12 @@ void research_reset_current_item()
  */
 static void research_insert_unresearched(ResearchItem&& item)
 {
+    // First check to make sure that entry is not already accounted for
+    if (item.Exists())
+    {
+        return;
+    }
+
     gResearchItemsUninvented.push_back(std::move(item));
 }