Fix for Savannah bug report 59287

[u/mrichter/AliRoot.git] / STEER / AliMCEventHandler.cxx

diff --git a/STEER/AliMCEventHandler.cxx b/STEER/AliMCEventHandler.cxx
index df3454be44d6a16fd7b6b466a275538be54cb068..9c37a1dfee572c973979d79c7a7de6845b4eb3f0 100644 (file)
--- a/STEER/AliMCEventHandler.cxx
+++ b/STEER/AliMCEventHandler.cxx
@@ -66,7 +66,8 @@ AliMCEventHandler::AliMCEventHandler() :
     fReadTR(kTRUE),
     fInitOk(kFALSE),
     fSubsidiaryHandlers(0),
-    fEventsInContainer(0)
+    fEventsInContainer(0),
+    fPreReadMode(kNoPreRead)
 {
   //
   // Default constructor
@@ -97,7 +98,8 @@ AliMCEventHandler::AliMCEventHandler(const char* name, const char* title) :
     fReadTR(kTRUE),
     fInitOk(kFALSE),
     fSubsidiaryHandlers(0),
-    fEventsInContainer(0)
+    fEventsInContainer(0),
+    fPreReadMode(kNoPreRead)
 {
   //
   // Constructor
@@ -286,6 +288,11 @@ Bool_t AliMCEventHandler::BeginEvent(Long64_t entry)
        }
        fMCEvent->InitEvent();
     }
+    
+    if (fPreReadMode == kLmPreRead) {
+       fMCEvent->PreReadAll();
+    }
+
     return result;
     
 }
@@ -363,7 +370,7 @@ void  AliMCEventHandler::VerifySelectedParticles(){
       while((imo >= nprim)&&!IsParticleSelected(imo)){
          // Mother not yet selected
          SelectParticle(imo);
-         AliMCParticle* mcpart = (AliMCParticle*) fMCEvent->GetTrack(imo);
+         mcpart = (AliMCParticle*) fMCEvent->GetTrack(imo);
          imo = mcpart->GetMother();
       }
     // after last step we may have an unselected primary