From a03bcc835e80e8799f560b6b824eb32e1154b5c3 Mon Sep 17 00:00:00 2001
From: Reinder Feenstra <reinderfeenstra@gmail.com>
Date: Sun, 24 Sep 2023 23:01:17 +0200
Subject: [PATCH] fix: a train without vehicles can't be activated

---
 server/src/train/train.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/server/src/train/train.cpp b/server/src/train/train.cpp
index 0bd18575..b6d03f48 100644
--- a/server/src/train/train.cpp
+++ b/server/src/train/train.cpp
@@ -376,6 +376,11 @@ bool Train::setTrainActive(bool val)
 
   if(val)
   {
+    if(vehicles->empty())
+    {
+      return false; // activating a train without vehicles is useless.
+    }
+
     //To activate a train, ensure all vehicles are stopped and free
     for(const auto& vehicle : *vehicles)
     {