From 9287c2e841ab994f35781a70b9c1055cec063850 Mon Sep 17 00:00:00 2001
From: jehret <ehret@vr.rwth-aachen.de>
Date: Fri, 19 Jan 2024 13:19:51 +0100
Subject: [PATCH] force an custom ID to be non-empty closes #109

---
 Source/StudyFrameworkPlugin/Private/SFGameInstance.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/StudyFrameworkPlugin/Private/SFGameInstance.cpp b/Source/StudyFrameworkPlugin/Private/SFGameInstance.cpp
index cd15145..dd5dc3c 100644
--- a/Source/StudyFrameworkPlugin/Private/SFGameInstance.cpp
+++ b/Source/StudyFrameworkPlugin/Private/SFGameInstance.cpp
@@ -302,6 +302,10 @@ void USFGameInstance::PrepareWithStudySetup(ASFStudySetup* Setup)
 				{
 					FSFUtils::OpenMessageBox("Participant ID \"" + IDGiven + "\"was already used, you have to choose another one!");
 				}
+				else if (IDGiven.IsEmpty())
+				{
+					FSFUtils::OpenMessageBox("Participant ID given is empty, you have to choose one!");
+				}
 				else
 				{
 					ParticipantID = IDGiven;
-- 
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