// $Id$
//
// Class AliMUONGeometryConstituent
// -----------------------------
// Helper class for definititon of an assembly of volumes.
//
// Author: Ivana Hrivnacova, IPN Orsay

#include <TGeoMatrix.h>

#include "AliMUONGeometryConstituent.h"

ClassImp(AliMUONGeometryConstituent)

//______________________________________________________________________________
AliMUONGeometryConstituent::AliMUONGeometryConstituent(const TString& name, 
                                   Int_t copyNo, Int_t npar, Double_t* param)
  : TNamed(name, name),
    fCopyNo(copyNo),
    fNpar(npar),
    fParam(0)				   
{				    
  // fTransformation = new TGeoCombiTrans(name);
           // would be nice to be so simple 

  // Create the constituent transformation
  fTransformation = new TGeoCombiTrans("");

  // Volume parameters
  if (npar > 0) {
    fParam = new Double_t[npar];
    for (Int_t i=0; i<npar; i++) fParam[i] = param[i];
  }  
}

//______________________________________________________________________________
AliMUONGeometryConstituent::AliMUONGeometryConstituent(const TString& name, 
                                   Int_t copyNo, const TGeoTranslation& translation,
	  		           Int_t npar, Double_t* param)
  : TNamed(name, name),
    fCopyNo(copyNo),
    fNpar(npar),
    fParam(0),				   
    fTransformation(0) 
{
  // Create the constituent transformation
  fTransformation = new TGeoCombiTrans(translation, TGeoRotation());

  // Volume parameters
  if (npar > 0) {
    fParam = new Double_t[npar];
    for (Int_t i=0; i<npar; i++) fParam[i] = param[i];
  }  
}

			 
//______________________________________________________________________________
AliMUONGeometryConstituent::AliMUONGeometryConstituent(const TString& name, 
                                   Int_t copyNo, const TGeoTranslation& translation, 
	  	                   const TGeoRotation& rotation, 
				   Int_t npar, Double_t* param)
				   
  : TNamed(name, name),
    fCopyNo(copyNo),
    fNpar(npar),
    fParam(0),				   
    fTransformation(0) 
{
  // Create the constituent transformation
  fTransformation = new TGeoCombiTrans(translation, rotation);

  // Volume parameters
  if (npar > 0) {
    fParam = new Double_t[npar];
    for (Int_t i=0; i<npar; i++) fParam[i] = param[i];
  }  
}

//______________________________________________________________________________
AliMUONGeometryConstituent::AliMUONGeometryConstituent()
  : TNamed(),
    fCopyNo(0),
    fNpar(0),
    fParam(0),				   
    fTransformation(0) 
{
// Default constructor
}


//______________________________________________________________________________
AliMUONGeometryConstituent::AliMUONGeometryConstituent(
                                        const AliMUONGeometryConstituent& rhs)
  : TNamed(rhs)
{
  Fatal("Copy constructor", 
        "Copy constructor is not implemented.");
}

//______________________________________________________________________________
AliMUONGeometryConstituent::~AliMUONGeometryConstituent() 
{
//
  delete fTransformation;
  delete fParam;
}

//______________________________________________________________________________
AliMUONGeometryConstituent& 
AliMUONGeometryConstituent::operator = (const AliMUONGeometryConstituent& rhs) 
{
  // check assignement to self
  if (this == &rhs) return *this;

  Fatal("operator=", 
        "Assignment operator is not implemented.");
    
  return *this;  
}