From 11484205f5f2c30a735c13aaea44bc5a7e932fd7 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Thu, 23 Mar 2023 14:29:26 +0400
Subject: [PATCH] Use constexpr to do not generate an invalid code in templates

---
 apps/opencs/model/world/collection.hpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/apps/opencs/model/world/collection.hpp b/apps/opencs/model/world/collection.hpp
index e177291a7c..e8847253d2 100644
--- a/apps/opencs/model/world/collection.hpp
+++ b/apps/opencs/model/world/collection.hpp
@@ -269,11 +269,15 @@ namespace CSMWorld
         copy->mState = RecordBase::State_ModifiedOnly;
         setRecordId(destination, copy->get());
 
-        if (type == UniversalId::Type_Reference)
+        if constexpr (std::is_same_v<ESXRecordT, CSMWorld::CellRef>)
         {
-            CSMWorld::CellRef* ptr = (CSMWorld::CellRef*)&copy->mModified;
-            ptr->mRefNum.mIndex = 0;
+            if (type == UniversalId::Type_Reference)
+            {
+                CSMWorld::CellRef* ptr = (CSMWorld::CellRef*)&copy->mModified;
+                ptr->mRefNum.mIndex = 0;
+            }
         }
+
         const int index = getAppendIndex(destination, type);
         insertRecord(std::move(copy), getAppendIndex(destination, type));