Cerenkov photon update.
[u/mrichter/AliRoot.git] / TFluka / endraw.cxx
index 3ead004..5c68002 100644 (file)
@@ -1,14 +1,19 @@
 #include <Riostream.h>
 #include "TVirtualMCApplication.h"
+#include "TGeoMaterial.h"
+#include "TGeoManager.h"
+#include <TParticle.h>
+#include "TFlukaCerenkov.h"
 
-#ifndef WITH_ROOT
 #include "TFluka.h"
-#else
-#include "TFlukaGeo.h"
-#endif
+#include "TFlukaCodes.h"
 
 #include "Fdimpar.h"  //(DIMPAR) fluka include
 #include "Ftrackr.h"  //(TRACKR) fluka common
+#include "Fltclcm.h"  //(LTCLCM) fluka common
+#include "Fpaprop.h"  //(PAPROP) fluka common
+#include "Fopphst.h"  //(OPPHST) fluka common
+
 #ifndef WIN32
 # define endraw endraw_
 #else
@@ -18,18 +23,93 @@ extern "C" {
 void endraw(Int_t& icode, Int_t& mreg, Double_t& rull, Double_t& xsco, Double_t& ysco, Double_t& zsco)
 {
   TFluka* fluka = (TFluka*) gMC;
-  fluka->SetCaller(3);
-  fluka->SetIcode(icode);
+  // nothing to do if particle in dummy region
+  if (mreg == fluka->GetDummyRegion()) return;
+  Int_t verbosityLevel = fluka->GetVerbosityLevel();
+  Bool_t debug = (verbosityLevel >= 3)? kTRUE : kFALSE;
+  Int_t mlttc = (icode==kKASKADinelarecoil) ? TRACKR.lt2trk : TRACKR.lt1trk; //LTCLCM.mlatm1;
+  fluka->SetCaller(kENDRAW);
   fluka->SetRull(rull);
   fluka->SetXsco(xsco);
   fluka->SetYsco(ysco);
   fluka->SetZsco(zsco);
-  fluka->SetMreg(mreg);
-  if (icode == 11) {
-    cout << " For icode=" << icode << " Stepping is NOT called" << endl;
-    return;
+  fluka->SetMreg(mreg, mlttc);
+
+  Float_t edep = rull;
+  Int_t ipt = fluka->PDGFromId(TRACKR.jtrack);
+  if (ipt == -1) {
+      if (debug) printf("Unknown particle %5d %5d \n", TRACKR.jtrack, icode);
+      return;
+  }
+  
+  if (TRACKR.jtrack == -1) {
+  // Handle quantum efficiency the G3 way
+      if (debug) printf("endraw: Cerenkov photon depositing energy: %d %e\n", mreg, rull);
+      TGeoMaterial* material = (gGeoManager->GetCurrentVolume())->GetMaterial();
+      TFlukaCerenkov*  cerenkov = dynamic_cast<TFlukaCerenkov*> (material->GetCerenkovProperties());
+      if (cerenkov) {
+          Double_t eff = (cerenkov->GetQuantumEfficiency(rull));
+          if (gRandom->Rndm() > eff) {
+              edep = 0.;
+          }
+      }
+  }
+
+  TVirtualMCStack* cppstack = fluka->GetStack();
+
+  if (debug) {
+     cout << "ENDRAW For icode=" << icode 
+          << " track=" << TRACKR.ispusr[mkbmx2-1] << " pdg=" << fluka->PDGFromId(TRACKR.jtrack)
+          << " edep="<< edep << " mreg=" << mreg << endl;
+  }
+
+    // check region lattice consistency (debug Ernesto)
+    // *****************************************************
+    Int_t nodeId;
+    Int_t volId = fluka->CurrentVolID(nodeId);
+    Int_t crtlttc = gGeoManager->GetCurrentNodeId()+1;
+    if(debug && mreg != volId  && !gGeoManager->IsOutside() ) {
+       cout << "  endraw:   track=" << TRACKR.ispusr[mkbmx2-1] << " pdg=" << fluka->PDGFromId(TRACKR.jtrack)
+            << " icode=" << icode << " gNstep=" << fluka->GetNstep() << endl
+            << "               fluka   mreg=" << mreg << " mlttc=" << mlttc << endl
+            << "               TGeo   volId=" << volId << " crtlttc=" << crtlttc << endl
+            << "     common TRACKR   lt1trk=" << TRACKR.lt1trk << " lt2trk=" << TRACKR.lt2trk << endl
+            << "     common LTCLCM   newlat=" << LTCLCM.newlat << " mlatld=" <<  LTCLCM.mlatld << endl
+            << "                     mlatm1=" << LTCLCM.mlatm1 << " mltsen=" <<  LTCLCM.mltsen << endl
+            << "                     mltsm1=" << LTCLCM.mltsm1 << " mlattc=" << LTCLCM.mlattc << endl;
+        if( mlttc == crtlttc ) cout << "   *************************************************************" << endl;
+    }
+    // *****************************************************
+  if (icode != kEMFSCOstopping1 && icode != kEMFSCOstopping2) {
+      fluka->SetIcode((FlukaProcessCode_t)icode);
+      fluka->SetRull(edep);
+      if (icode == kKASKADelarecoil && TRACKR.ispusr[mkbmx2-5]) {
+         //  Elastic recoil and in stuprf npprmr > 0,
+         //  the secondary being loaded is actually still the interacting particle
+         cppstack->SetCurrentTrack( TRACKR.ispusr[mkbmx2-4] );
+      } else if (TRACKR.jtrack == -1) {
+         cppstack->SetCurrentTrack(OPPHST.louopp[OPPHST.lstopp]);
+      } else {
+          cppstack->SetCurrentTrack(TRACKR.ispusr[mkbmx2-1] );
+      }
+
+      (TVirtualMCApplication::Instance())->Stepping();
+      
+  } else {
+  //
+  // For icode 21,22 the particle has fallen below thresshold.
+  // This has to be signalled to the StepManager() 
+  //
+      cppstack->SetCurrentTrack( TRACKR.ispusr[mkbmx2-1] );
+      
+      fluka->SetRull(edep);
+      fluka->SetIcode((FlukaProcessCode_t) icode);
+      (TVirtualMCApplication::Instance())->Stepping();
+      fluka->SetTrackIsNew(kFALSE);
+//      fluka->SetIcode((FlukaProcessCode_t)icode);
+//      fluka->SetRull(0.);
+//      (TVirtualMCApplication::Instance())->Stepping();
   }
-  (TVirtualMCApplication::Instance())->Stepping();
 } // end of endraw
 } // end of extern "C"