From 2eeba89992ee8832147957ec0e330aa363bf189e Mon Sep 17 00:00:00 2001
From: John Tramm <john.tramm@gmail.com>
Date: Wed, 11 Jun 2025 12:41:38 -0500
Subject: [PATCH] Apply Max Number of Events Check to Random Rays (#3438)

Co-authored-by: Jonathan Shimwell <drshimwell@gmail.com>
---
 src/random_ray/random_ray.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/random_ray/random_ray.cpp b/src/random_ray/random_ray.cpp
index 27819591cd..36eab06284 100644
--- a/src/random_ray/random_ray.cpp
+++ b/src/random_ray/random_ray.cpp
@@ -265,6 +265,12 @@ uint64_t RandomRay::transport_history_based_single_ray()
     if (!alive())
       break;
     event_cross_surface();
+    // If ray has too many events, display warning and kill it
+    if (n_event() >= settings::max_particle_events) {
+      warning("Ray " + std::to_string(id()) +
+              " underwent maximum number of events, terminating ray.");
+      wgt() = 0.0;
+    }
   }
 
   return n_event();