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 //
 // Defines an interface to Bertini (BERT) cascade
 // based on INUCL  intra-nuclear transport.models 
 // with bullet hadron energy ~< 10 GeV
 //
 // 20100405  M. Kelsey -- Fix constness of op== and op!=
 // 20100519  M. Kelsey -- Remove Collider data members
 // 20100617  M. Kelsey -- Make G4InuclCollider a local data member
 // 20100723  M. Kelsey -- Move G4CollisionOutput here for reuse
 // 20100916  M. Kelsey -- Add functions to encapsulate ApplyYourself() actions,
 //      make colliders pointers (don't expose dependencies)
 // 20100922  M. Kelsey -- Add functions to select de-excitation method
 // 20110224  M. Kelsey -- Add createTarget() for use with Propagate(); split
 //      conservation law messages to separate function.  Move verbose
 //      setting to .cc file, and apply to all member objects.
 // 20110301  M. Kelsey -- Add copyPreviousCascade() for use with Propagate()  
 //      along with new buffers and related particle-conversion  
 //      functions.  Encapulate buffer deletion in clear()
 // 20110303  M. Kelsey -- Change "bulletList" name to "inputFragments"
 // 20110304  M. Kelsey -- Drop conversion of Propagate() arguments; pass
 //      directly to collider for processing.  Rename makeReactionProduct
 //      to makeDynamicParticle.
 // 20110502  M. Kelsey -- Add filename string to capture random seeds.
 // 20110720  M. Kelsey -- Discard elastic-cut array (no longer needed),
 //      discard local "theFinalState" (avail in base class).
 // 20110801  M. Kelsey -- Make bullet and target buffers local objects (with
 //      hadron and nucleus versions) to reduce memory churn
 // 20120522  M. Kelsey -- Implement base class IsApplicable, and add overloaded
 //      version which takes G4ParticleDefintion, a la G4VProcess.
 // 20120822  M. Kelsey -- Add function to dump user configuration settings.
 //      Remove local verboseLevel; shadows base class data member.
 // 20130501  M. Kelsey -- Add static initializer to created shared objects.
 // 20130628  M. Kelsey -- Address Coverity warnings about copy operations.
 // 20140116  M. Kelsey -- Move statics to const data members to avoid weird
 //      interactions with MT.
 
 #ifndef G4CASCADEINTERFACE_H
 #define G4CASCADEINTERFACE_H 1
 
 #include "G4VIntraNuclearTransportModel.hh"
 #include "G4FragmentVector.hh"
 #include "G4InuclElementaryParticle.hh"
 #include "G4InuclNuclei.hh"
 #include "G4LorentzRotation.hh"
 #include "G4Nucleon.hh"
 #include "G4Nucleus.hh"
 #include "G4ParticleChange.hh"
 #include "G4ReactionProduct.hh"
 #include "G4ReactionProductVector.hh"
 #include <vector>
 
 class G4CascadParticle;
 class G4CascadeCheckBalance;
 class G4CollisionOutput;
 class G4DynamicParticle;
 class G4HadFinalState;
 class G4InuclCollider;
 class G4LightTargetCollider;
 class G4InuclParticle;
 class G4ParticleDefinition;
 class G4V3DNucleus;
 
 
 class G4CascadeInterface : public G4VIntraNuclearTransportModel {
 
 public:
   G4CascadeInterface(const G4String& name = "BertiniCascade");
 
   virtual ~G4CascadeInterface();
 
   G4ReactionProductVector* Propagate(G4KineticTrackVector* theSecondaries,
                      G4V3DNucleus* theNucleus);
   
   G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
                  G4Nucleus& theNucleus);
 
   void SetVerboseLevel(G4int verbose);      // Overrides base class
 
   G4bool IsApplicable(const G4HadProjectile& aTrack,
               G4Nucleus& theNucleus);
 
   G4bool IsApplicable(const G4ParticleDefinition* aPD) const;
 
   // Used with multithreaded applications to preload shared objects
   static void Initialize();
 
   // Select betweeen different post-cascade de-excitation models
   void useCascadeDeexcitation();
   void usePreCompoundDeexcitation();
   void useAblaDeexcitation();
 
   virtual void ModelDescription(std::ostream& outFile) const;
   virtual void DumpConfiguration(std::ostream& outFile) const;
 
 protected:
   void clear();         // Delete previously created particles
 
   // Convert input projectile and target to Bertini internal types
   G4bool createBullet(const G4HadProjectile& aTrack);
   G4bool createTarget(G4Nucleus& theNucleus);
   G4bool createTarget(G4V3DNucleus* theNucleus);
   G4bool createTarget(G4int A, G4int Z);
 
   // Evaluate whether any outgoing particles penetrated Coulomb barrier
   G4bool coulombBarrierViolation() const;
 
   // Conditions for rejecting cascade attempt
   G4bool retryInelasticProton() const;
   G4bool retryInelasticNucleus() const;
 
   // Transfer Bertini internal final state to hadronics interface
   void copyOutputToHadronicResult();
   G4ReactionProductVector* copyOutputToReactionProducts();
 
   // Replicate input particles onto output
   G4HadFinalState* NoInteraction(const G4HadProjectile& aTrack,
                  G4Nucleus& theNucleus);
 
   // Report violations of conservation laws in original frame
   void checkFinalResult();
 
   // Terminate job because of energy/momentum/etc. violations
   void throwNonConservationFailure();
 
   // Convert between Bertini and external particle types
   G4DynamicParticle* makeDynamicParticle(const G4InuclElementaryParticle& iep) const;
   G4DynamicParticle* makeDynamicParticle(const G4InuclNuclei& inuc) const;
 
 
 private:
   G4bool operator==(const G4CascadeInterface& right) const {
     return (this == &right);
   }
 
   G4bool operator!=(const G4CascadeInterface& right) const {
     return (this != &right);
   }
 
   const G4String randomFile;        // Filename to capture random seeds
   const G4int maximumTries;     // Number of iterations for inelastic
 
   G4int numberOfTries;
 
   G4InuclCollider* collider;
   G4CascadeCheckBalance* balance;
 
   G4LightTargetCollider* ltcollider;
 
   G4InuclParticle* bullet;      // Pointers to last filled versions
   G4InuclParticle* target;
 
   G4CollisionOutput* output;
 
   G4InuclElementaryParticle hadronBullet;   // Buffers for bullet, target
   G4InuclNuclei             nucleusBullet;
 
   G4InuclElementaryParticle hadronTarget;
   G4InuclNuclei             nucleusTarget;
 
   G4int secID;  // Creator model ID for the secondaries
   
 private:
   // Copying of modules is forbidden
   G4CascadeInterface(const G4CascadeInterface&);
   G4CascadeInterface& operator=(const G4CascadeInterface&);
 };
 
 #endif // G4CASCADEINTERFACE_H

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