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//
// $Id$
//
// 20100413  M. Kelsey -- Pass G4CollisionOutput by ref to ::collide()
// 20100517  M. Kelsey -- Inherit from common base class, make other colliders
//		simple data members
// 20100620  M. Kelsey -- Move output buffers here to reduce memory churn
// 20100714  M. Kelsey -- Switch to new G4CascadeColliderBase class
// 20100720  M. Kelsey -- Make all the collders pointer members (to reducde
//		external compile dependences).
// 20100915  M. Kelsey -- Move de-excitation colliders to G4CascadeDeexcitation
// 20100922  M. Kelsey -- Add functions to select de-excitation method, change
//		"theDeexcitation" to be a base-class pointer for switching
// 20100926  M. Kelsey -- Use new intermediate base class for de-exciations.
// 20110224  M. Kelsey -- Add ::rescatter() function which takes a list of
//		pre-existing secondaries as input.  Add setVerboseLevel().
// 20110304  M. Kelsey -- Modify rescatter to use original Propagate() input
// 20110308  M. Kelsey -- Add ::deexcite() function to handle nuclear fragment

#ifndef G4INUCL_COLLIDER_HH
#define G4INUCL_COLLIDER_HH

#include "G4CascadeColliderBase.hh"
#include "G4CollisionOutput.hh"

class G4CascadParticle;
class G4ElementaryParticleCollider;
class G4IntraNucleiCascader;
class G4InuclParticle;
class G4KineticTrackVector;
class G4V3DNucleus;
class G4VCascadeDeexcitation;


class G4InuclCollider : public G4CascadeColliderBase {
public:
  G4InuclCollider();
  virtual ~G4InuclCollider();

  void collide(G4InuclParticle* bullet, G4InuclParticle* target,
	       G4CollisionOutput& globalOutput);

  // For use with top-level Propagate to preload a set of secondaries
  void rescatter(G4InuclParticle* bullet, G4KineticTrackVector* theSecondaries,
		 G4V3DNucleus* theNucleus, G4CollisionOutput& globalOutput);

  void setVerboseLevel(G4int verbose=0);

  // Select betweeen different post-cascade de-excitation models
  void useCascadeDeexcitation();
  void usePreCompoundDeexcitation();

protected:
  void deexcite(const G4Fragment& fragment, G4CollisionOutput& globalOutput);

private: 
  G4ElementaryParticleCollider* theElementaryParticleCollider;
  G4IntraNucleiCascader* theIntraNucleiCascader;

  G4VCascadeDeexcitation* theDeexcitation;	// User switchable!

  G4CollisionOutput output;		// Secondaries from main cascade
  G4CollisionOutput DEXoutput;		// Secondaries from de-excitation
};        

#endif /* G4INUCL_COLLIDER_HH */