/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

//________________________________________________________________________
// Initial JetFinder input object
//
//*-- Author: Mark Horner (LBL/UCT)

#include "AliEMCALJetFinderInput.h"
#include "AliEMCALDigit.h"
#include "AliEMCALParton.h"
#include "TClonesArray.h"


ClassImp(AliEMCALJetFinderInput)

AliEMCALJetFinderInput::AliEMCALJetFinderInput()
{
// Default constructor
// Defines all TClonesArrays  
// Creates full array of Digits - all other arrays will have objects created as necessary 

if (fDebug>0) Info("AliEMCALJetFinderInput","Beginning Constructor");	

fInitialised = kFALSE;

}

void AliEMCALJetFinderInput::InitArrays()
{
if (fDebug>0) Info("AliEMCALJetFinderInput","Beginning InitArrays");
fNDigits = 96*144;     // This is the number of digits
fNMaxDigits = fNDigits;
fNMaxTracks = 3000;
fNMaxParticles = 2000;
fNMaxPartons = 4;
fDigitsArray	= new TClonesArray ("AliEMCALDigit",fNDigits);     // This is the digits array for the EMCAL
for (Int_t i = 0; i < 96*144; i++)
{
    new((*fDigitsArray)[i]) AliEMCALDigit(0,0,i+1,0,1.0,-1);
    ((AliEMCALDigit*)(*fDigitsArray)[i])->SetAmp(0);	// Default digit amplitude is zero
}
fTracksArray	= new TClonesArray("TParticle",fNMaxTracks);
fNTracks	= 0;
fPartonsArray	= new TClonesArray("AliEMCALParton",fNMaxPartons);
fNPartons	= 0;
fParticlesArray	= new TClonesArray ("TParticle",fNMaxParticles);
fNParticles	= 0;
fInitialised = kTRUE;
}


AliEMCALJetFinderInput::~AliEMCALJetFinderInput()
{
// Destructor -
// Deletes all memory allocated in TClonesArrays

if (fDebug>0) Info("~AliEMCALJetFinderInput","Beginning Destructor");	
if (fInitialised)
{	
	fDigitsArray->Delete();     
	fTracksArray->Delete();
	fPartonsArray->Delete();
	fParticlesArray->Delete();
	delete fDigitsArray;     
	delete fTracksArray;
	delete fPartonsArray;
	delete fParticlesArray;
}
}

void AliEMCALJetFinderInput::Reset(AliEMCALJetFinderResetType_t resettype)
{
// Clears the contents of all the arrays and returns to the state we were in 
// after the constructor
if (fDebug>1) Info("Reset","Beginning Reset");	
  
  if (!fInitialised) InitArrays();	

  if ( 	resettype == kResetData   ||	
	resettype == kResetDigits ||
	resettype == kResetAll   ){
	  fDigitsArray->Delete();   
	  for (Int_t i = 0; i < 96*144; i++)
		  {
		      	  new((*fDigitsArray)[i]) AliEMCALDigit(0,0,i+1,0,1.0);
			  ((AliEMCALDigit*)(*fDigitsArray)[i])->SetAmp(0);	// Default digit amplitude is zero
		  }
  }
  if (  resettype == kResetData   ||    
        resettype == kResetTracks ||
        resettype == kResetAll   ){
	  fTracksArray->Delete();
	  fNTracks = 0;
  }
 if (  resettype == kResetData    ||
       resettype == kResetPartons ||
       resettype == kResetAll   ){
	 fPartonsArray->Delete();
	 fNPartons=0;
 }
 if (  resettype == kResetData      ||
       resettype == kResetParticles ||
       resettype == kResetAll   ){
	 fParticlesArray->Delete();
	 fNParticles = 0;
 }

}
void AliEMCALJetFinderInput::AddEnergyToDigit(Int_t digitID,Int_t denergy)
{
// Adds energy to the digit specified - Note these are tower IDs and
// so start at 1!
	  	
if (fDebug>5) Info("AddEnergyToDigit","Beginning AddEnergyToDigit");
 if (!fInitialised) InitArrays();	

 Int_t amp = 0;
 AliEMCALDigit *mydigit = (AliEMCALDigit*)((*fDigitsArray)[digitID]);
 amp = mydigit->GetAmp();
 mydigit->SetAmp(amp+denergy);
}	

void AliEMCALJetFinderInput::AddTrack(TParticle track)
{
// Adds a TParticle to the track array
	  	
if (fDebug>5) Info("AddTrack","Beginning AddTrack");
 
 	if (!fInitialised) InitArrays();	
	if (fNTracks < fNMaxTracks){  
		new((*fTracksArray)[fNTracks]) TParticle(track);
		fNTracks++;
	}else
	{
		Error("AddTracks","Cannot AddTrack - maximum exceeded");
	}

}
void AliEMCALJetFinderInput::AddParton(AliEMCALParton *parton)
{
// Adds an AliEMCALParton to the parton array 
	
if (fDebug>5) Info("AddParton","Beginning AddParton");

 	if (!fInitialised) InitArrays();	
	if (fNPartons < fNMaxPartons){  
		new((*fPartonsArray)[fNPartons]) AliEMCALParton(*parton);
		fNPartons++;
	}else
	{
		Error("AddParton","Cannot AddParton - maximum exceeded");
	}
}

void AliEMCALJetFinderInput::AddParticle(TParticle *particle)
{
// Adds a TParticle to the particle array
	
if (fDebug>5) Info("AddParticle","Beginning AddParticle");	

 	if (!fInitialised) InitArrays();	
	if (fNParticles < fNMaxParticles){  
		new((*fParticlesArray)[fNParticles]) TParticle(*particle);
		fNParticles++;
	}else
	{
		Error("AddParticle","Cannot AddParticle - maximum exceeded");
	}

}


AliEMCALDigit* AliEMCALJetFinderInput::GetDigit(Int_t digitID)
{
// Returns a pointer to an AliEMCALDigit with the given ID
	
if (fDebug>5) Info("GetDigit","Beginning GetDigit");

    if (digitID >= fNDigits) return 0;
    return (AliEMCALDigit*)((*fDigitsArray)[digitID]);
}

TParticle* AliEMCALJetFinderInput::GetTrack(Int_t trackID)
{
// Returns a pointer to a TParticle specified by the ID
	
if (fDebug>5) Info("GetTrack","Beginning GetTrack with trackID %i",trackID);

    if (trackID >= fNTracks) return 0;
    return (TParticle*)((*fTracksArray)[trackID]);
}

AliEMCALParton* AliEMCALJetFinderInput::GetParton(Int_t partonID)
{
// Returns a pointer to an AliEMCALParton  specified by the ID
	
if (fDebug>5) Info("GetParton","Beginning GetParton");

    if (partonID >= fNPartons) return 0;
    return (AliEMCALParton*)((*fPartonsArray)[partonID]);
}

TParticle* AliEMCALJetFinderInput::GetParticle(Int_t particleID)
{
// Returns a pointer to a TParticle specified by the ID
	
if (fDebug>5) Info("GetParticle","Beginning GetParticle");

    if (particleID >= fNParticles) return 0;
    return (TParticle*)((*fParticlesArray)[particleID]);
}