// @(#)root/geom:$Name:  $:$Id: TGeoCache.h,v 1.20 2004/05/26 15:11:13 brun Exp $
// Author: Andrei Gheata   18/03/02

/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
// Author : Andrei Gheata -           date Wed 12 Dec 2001 09:45:08 AM CET

#ifndef ROOT_TGeoCache
#define ROOT_TGeoCache

#ifndef ROOT_TSystem
#include "TSystem.h"
#endif

#ifndef ROOT_TGeoNode
#include "TGeoNode.h"
#endif

#ifndef ROOT_TGeoMatrix
#include "TGeoMatrix.h"
#endif

// forward declarations
class TBits;
class TGeoManager;
class TGeoNodePos;
class TGeoMatrixCache;
class TGeoNodeArray;
class TGeoMatHandler;

/*************************************************************************
 * TGeoCacheState - class storing the state of the cache at a given moment
 *
 *
 *************************************************************************/

class TGeoCacheState : public TObject
{
protected:
   Int_t                fLevel;     // level in the current branch
   Int_t                fStart;     // start level
   Int_t                fIdBranch[30]; // ID branch
   Double_t            *fPoint;     // last point in master frame
   Bool_t               fOverlapping; // overlap flag
public:
   Int_t               *fBranch;    // last branch stored
   Int_t               *fMatrices;  // global matrices for last branch

public:
   TGeoCacheState();
   TGeoCacheState(Int_t capacity);
   virtual ~TGeoCacheState();

   virtual void         SetState(Int_t level, Int_t startlevel, Bool_t ovlp, Double_t *point=0);
   virtual Bool_t       GetState(Int_t &level, Double_t *point) const;

  ClassDef(TGeoCacheState, 1)       // class storing the cache state
};

/*************************************************************************
 * TGeoCacheStateDummy - class storing the state of the cache at a given moment
 *
 *
 *************************************************************************/

class TGeoCacheStateDummy : public TGeoCacheState
{
public:
   TGeoNode           **fNodeBranch;    // last node branch stored
   TGeoHMatrix        **fMatrixBranch;  // global matrices for last branch
   TGeoHMatrix        **fMatPtr;        // array of matrix pointers

public:
   TGeoCacheStateDummy();
   TGeoCacheStateDummy(Int_t capacity);
   virtual ~TGeoCacheStateDummy();

   virtual void         SetState(Int_t level, Int_t startlevel, Bool_t ovlp, Double_t *point=0);
   virtual Bool_t       GetState(Int_t &level, Double_t *point) const;

  ClassDef(TGeoCacheStateDummy, 1)       // class storing the cache state
};

/*************************************************************************
 * TGeoNodeCache - cache of reusable physical nodes
 *
 *
 *************************************************************************/

class TGeoNodeCache
{
protected:
   Double_t              fGeoCacheUsageRatio; // percentage of total usage count that triggers persistency
   Int_t                 fGeoCacheMaxDaughters; // max ndaugters for TGeoNodeArray
   Int_t                 fGeoCacheMaxSize;  // maximum initial cache size
   Int_t                 fGeoCacheDefaultLevel; // default level down to store nodes
   Int_t                 fGeoCacheMaxLevels;// maximum supported number of levels
   Int_t                 fGeoCacheObjArrayInd; // maximum number of daughters stored as node arrays
   Int_t                 fGeoCacheStackSize;   // maximum size of the stack
   Int_t                 fLevel;            // level in the current branch
   Int_t                 fCurrentID;        // unique ID of current node
   TString               fPath;             // path for current branch
   TObjArray            *fStack;            // stack of cache states
   Int_t                *fNodeIdArray;      //! array of node id's
   Int_t                 fIndex;            // index in array of ID's

private:
   Int_t                 fSize;             // current size of the cache
   Int_t                 fNused;            // number of used nodes
   Int_t                 fDefaultLevel;     // level down to which nodes will be persistent
   Int_t                 fTopNode;          // top level physical node
   Int_t                 fCount;            // total usage count
   Int_t                 fCountLimit;       // count limit for which nodes become persistent
   Int_t                 fCurrentNode;      // current physical node
   Int_t                 fCurrentCache;     // current cache number
   Int_t                 fCurrentIndex;     // index of current node in current cache
   Int_t                *fBranch;           // nodes from current branch
   Int_t                *fMatrices;         // matrix indices from current branch
   Int_t                 fStackLevel;       // level in the stack of states
   TGeoHMatrix          *fGlobalMatrix;     // current global matrix
   TGeoNodeArray       **fCache;            //[128] cache of node arrays

protected:
   TGeoMatrixCache      *fMatrixPool;       // pool of compressed global matrices
   Int_t                 fIdBranch[30];     // current branch of indices

public:
   TGeoNodeCache();
   TGeoNodeCache(Bool_t nodeid);
   TGeoNodeCache(Int_t size, Bool_t nodeid=kFALSE);
   virtual ~TGeoNodeCache();

   Int_t                AddNode(TGeoNode *node);
   void                 BuildIdArray();
   Int_t                CacheId(Int_t nindex) const
                         {return (*((UChar_t*)&nindex+3)>fGeoCacheMaxDaughters)?
                                 fGeoCacheObjArrayInd:*((UChar_t*)&nindex+3);}
   void                 CdCache();
   void                 CdNode(Int_t nodeid);
   virtual Bool_t       CdDown(Int_t index, Bool_t make=kTRUE);
   virtual void         CdTop() {fLevel=1; CdUp();}
   virtual void         CdUp();
   virtual void         CleanCache();
   virtual void         ClearDaughter(Int_t index);
   virtual void         ClearNode(Int_t nindex);
   virtual void         Compact();
   void                 FillIdBranch(const Int_t *br, Int_t startlevel=0) {memcpy(fIdBranch+startlevel,br,(fLevel+1-startlevel)*sizeof(Int_t)); fIndex=fIdBranch[fLevel];}
   const Int_t         *GetIdBranch() const {return fIdBranch;}
   virtual void         DeleteCaches();
   virtual Bool_t       DumpNodes();
   virtual void        *GetBranch() const {return fBranch;}
   virtual void         GetBranchNames(Int_t * /*names*/) const {;}
   virtual void         GetBranchNumbers(Int_t * /*copyNumbers*/, Int_t * /*volumeNumbers*/) const {;}
   virtual void         GetBranchOnlys(Int_t * /*isonly*/) const {;}
   virtual void        *GetMatrices() const {return fMatrices;}
   virtual TGeoHMatrix *GetCurrentMatrix() const;
   Int_t                GetCurrentNode() const {return fCurrentNode;}
   Int_t                GetCurrentNodeId() const;
   virtual TGeoNode    *GetMother(Int_t up=1) const;
   virtual TGeoNode    *GetNode() const;
   Int_t                GetStackLevel() const  {return fStackLevel;}
   Int_t                GetTopNode() const     {return fTopNode;}
   Int_t                GetLevel() const       {return fLevel;}
   virtual Int_t        GetFreeSpace() const   {return (fGeoCacheMaxSize-fSize);}
   TGeoMatrixCache     *GetMatrixPool() const  {return fMatrixPool;}
   virtual Int_t        GetNfree() const       {return (fSize-fNused);}
   virtual Int_t        GetNused() const       {return fNused;}
   virtual const char  *GetPath();
   virtual Int_t        GetNodeId() const;
   Int_t                GetSize() const        {return fSize;}
   virtual Int_t        GetUsageCount() const;
   Bool_t               HasIdArray() const {return (fNodeIdArray)?kTRUE:kFALSE;}
   virtual void         IncreasePool(Int_t size) {fSize+=size;}
   virtual void         IncrementUsageCount();
   Int_t                Index(Int_t nindex) const {return (nindex & 0xFFFFFF);}
   virtual Bool_t       IsDummy() const {return kFALSE;}
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const;
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;
   virtual void         PrintNode() const;
   virtual Int_t        PushState(Bool_t ovlp, Int_t startlevel=0, Double_t *point=0);
   virtual Bool_t       PopState(Double_t *point=0);
   virtual Bool_t       PopState(Int_t level, Double_t *point=0);
   virtual void         PopDummy(Int_t ipop=9999) {fStackLevel=(ipop>fStackLevel)?(fStackLevel-1):(ipop-1);}
   virtual void         Refresh();
   void                 SetDefaultLevel(Int_t level) {fDefaultLevel = level;}
   Bool_t               SetPersistency();
   void                 Status() const;

 ClassDef(TGeoNodeCache, 0)        // cache of reusable physical nodes
};


/*************************************************************************
 * TGeoCacheDummy - dummy cache of nodes
 *
 *
 *************************************************************************/

class TGeoCacheDummy : public TGeoNodeCache
{
private:
   TGeoNode            *fTop;           // top node
   TGeoNode            *fNode;          // current node
   TGeoHMatrix         *fMatrix;        // current matrix
   TGeoHMatrix        **fMatrixBranch;  // current branch of global matrices
   TGeoHMatrix        **fMPB;           // pre-built matrices
   TGeoNode           **fNodeBranch;    // current branch of nodes
public:
   TGeoCacheDummy();
   TGeoCacheDummy(TGeoNode *top, Bool_t nodeid=kFALSE);
   virtual ~TGeoCacheDummy();

   virtual Bool_t       CdDown(Int_t index, Bool_t make=kTRUE);
   virtual void         CdTop() {fIndex=0; fLevel=0; fNode=fTop; fMatrix=fMatrixBranch[0];}
   virtual void         CdUp();
   virtual void         CleanCache() {;}
   virtual void         ClearDaughter(Int_t /*index*/) {;}
   virtual void         ClearNode(Int_t /*nindex*/) {;}
   virtual void         Compact() {;}
   virtual void         DeleteCaches() {;}
   virtual Bool_t       DumpNodes() {return kFALSE;}

   virtual void        *GetBranch() const {return fNodeBranch;}
   virtual void         GetBranchNames(Int_t *names) const;
   virtual void         GetBranchNumbers(Int_t *copyNumbers, Int_t *volumeNumbers) const;
   virtual void         GetBranchOnlys(Int_t *isonly) const;
   virtual TGeoHMatrix *GetCurrentMatrix() const {return fMatrix;}
   Int_t                GetCurrentNode() const {return 0;}
   virtual Int_t        GetFreeSpace() const   {return fGeoCacheMaxSize;}
   virtual void        *GetMatrices() const {return fMatrixBranch;}
   virtual TGeoNode    *GetMother(Int_t up=1) const {return ((fLevel-up)>=0)?fNodeBranch[fLevel-up]:0;}
   virtual TGeoNode    *GetNode() const {return fNode;}
   virtual Int_t        GetNfree() const       {return fGeoCacheMaxSize;}
   virtual Int_t        GetNused() const       {return 0;}
   virtual const char  *GetPath();
   virtual Int_t        GetNodeId() const;
   virtual Int_t        GetUsageCount() const {return 0;}
   virtual void         IncreasePool(Int_t /*size*/) {;}
   virtual void         IncrementUsageCount() {;}
   virtual Bool_t       IsDummy() const {return kTRUE;}
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const;
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;
   virtual void         PrintNode() const {;}
//   virtual Int_t        PushState(Bool_t ovlp, Double_t *point=0);
//   virtual Bool_t       PopState(Double_t *point=0);
//   virtual Bool_t       PopState(Int_t level, Double_t *point=0);
   virtual void         Refresh();
   Bool_t               SetPersistency() {return kFALSE;}
   void                 Status() const {;}

 ClassDef(TGeoCacheDummy, 0)        // dummy cache of physical nodes
};


/*************************************************************************
 * TGeoMatrixCache - cache of global matrices
 *
 *
 *************************************************************************/

class TGeoMatrixCache
{
private:
   Int_t                 fMatrix;      // current global transformation
   Int_t                 fHandler;     // current matrix handler
   Int_t                 fCacheId;     // current cache id
   Int_t                 fLength;      // length of current matrix
   UInt_t                fSize[7];     // size of matrix caches
   UInt_t                fFree[7];     // offset of first free matrices
   Double_t             *fCache[7];    // pointers to all caches
   TBits                *fBitsArray[7];// flags for matrix usage
   TGeoMatHandler      **fHandlers;    // handlers for cached matrices
protected:
   Int_t                 fGeoMinCacheSize; // minimum starting cache size
   void                  IncreaseCache();
public:
   TGeoMatrixCache();
   TGeoMatrixCache(Int_t size);
   virtual ~TGeoMatrixCache();

   Int_t                 AddMatrix(TGeoMatrix *matrix);
   void                  cd(Int_t mindex);
   void                  ClearMatrix(Int_t index);
   void                  GetMatrix(TGeoHMatrix *matrix) const;
   void                  LocalToMaster(const Double_t *local, Double_t *master) const;
   void                  LocalToMasterVect(const Double_t *local, Double_t *master) const;
   void                  LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   void                  MasterToLocal(const Double_t *master, Double_t *local) const;
   void                  MasterToLocalVect(const Double_t *master, Double_t *local) const;
   void                  MasterToLocalBomb(const Double_t *master, Double_t *local) const;
   void                  Status() const;

 ClassDef(TGeoMatrixCache, 0)    // cache of compressed global matrices
};


/*************************************************************************
 * TGeoNodePos - the physical geometry node with links to mother and
 *   daughters.
 *
 *************************************************************************/

class TGeoNodePos : public TObject
{
public:
   static const Int_t  kPersistentNodeMask; // byte mask for persistent nodes
   static const UChar_t  kPersistentMatrixMask; // byte mask for persistent matrices
   static const UInt_t   kNoMatrix;     // initial value for fGlobalMatrix
private:
   Int_t                 fNdaughters;   // number of daughters
   Int_t                 fMatrix;       // index of global matrix
   Int_t                 fCount;        // usage counter
   Int_t                *fDaughters;    // [fNdaughters] list of daughters offsets
   TGeoNode             *fNode;         // pointer to corresponding node from the logical tree
public:
   TGeoNodePos();
   TGeoNodePos(Int_t ndaughters);
   virtual ~TGeoNodePos();

   Int_t                 AddDaughter(Int_t ind, Int_t nindex) {return (fDaughters[ind]=nindex);}
   Int_t                 AddMatrix(TGeoMatrix *global);
   void                  ClearDaughter(Int_t ind) {fDaughters[ind] = 0;}
   void                  ClearMatrix();
   Int_t                 GetDaughter(Int_t ind) const;
   Int_t                 GetMatrixInd() const       {return fMatrix;}
   const char           *GetName() const      {return fNode->GetName();}
   Int_t                 GetNdaughters() const      {return fNdaughters;}
   TGeoNode             *GetNode() const            {return fNode;}
   Int_t                 GetUsageCount() const      {return (fCount & 0x7FFFFFFF);}
   Bool_t                HasDaughters() const;
   Bool_t                IsPersistent() const
                            {return (((fCount & kPersistentNodeMask)==0)?kFALSE:kTRUE);}
   void                  IncrementUsageCount()     {fCount++;}
   void                  Map(TGeoNode *node);
   void                  ResetCount()         {fCount &= kPersistentNodeMask;}
   void                  SetMatrix(Int_t mat_ind) {fMatrix = mat_ind;}
   void                  SetPersistency(Bool_t flag=kTRUE);

 ClassDef(TGeoNodePos, 1)      // the physical nodes
};

/*************************************************************************
 * TGeoNodeArray - base class for physical nodes arrays
 *    The structure of a node is stored in the following way :
 *    Int_t *offset = fArray+inode*nodesize position of node 'inode' in fArray
 *      ->offset+0   - pointer to physical node : fNode-gSystem
 *
 *                            |bit7 | b6  | b5 | b4  | b3 | b2  | b1 | b0 |
 *      ->offset+1   - Byte0= |scale|rot  | Z  | Y   | X  |matrix cache id|
 *                     | B3 | B2 | B1 | - matrix index in cache
 *      ->offset+2   - B0|b7 = node persistency ; b6 = has daughters
 *                     B3|B2|B1|B0 - usage count
 *      ->offset+3+i - Byte0=daughter array index,
 *                   |B3|B2|B1| - index of daughter i
 *      Total length : nodesize = (3+fNdaughters)*sizeof(Int_t)
 *
 *************************************************************************/

class TGeoNodeArray : public TObject
{
public:
   static const Int_t   kGeoArrayMaxSize;   // maximum cache size
   static const Int_t   kGeoArrayInitSize;  // initial cache size
   static const Int_t   kGeoReleasedSpace;  // default number of nodes released on cleaning
private:
   Int_t                fNodeSize;    // size of a node in bytes
   Int_t                fNdaughters;  // number of daughters for nodes in this array
   Int_t               *fOffset;      // [fSize*fNodeSize] offset of the current node
protected:
   Int_t                fSize;        // number of nodes stored in array
   Int_t                fFirstFree;   // index of first free location
   Int_t                fCurrent;     // index of current node
   Int_t                fNused;       // number of used nodes
   TBits               *fBitsArray;   // occupancy flags
private:
   Int_t               *fArray;       // array of nodes
public:
   TGeoNodeArray();
   TGeoNodeArray(Int_t ndaughters, Int_t size=0);
   virtual ~TGeoNodeArray();

   virtual Int_t        AddDaughter(TGeoNode *node, Int_t i);
   virtual Int_t        AddNode(TGeoNode *node);
   virtual Int_t        AddMatrix(TGeoMatrix *global);
   virtual void         cd(Int_t inode)  {fOffset = fArray+inode*fNodeSize;
                                          fCurrent = inode;}
   virtual void         ClearDaughter(Int_t ind);
   virtual void         ClearMatrix();
   virtual void         ClearNode();
   virtual void         Compact();
   void                 DeleteArray();
   virtual Int_t        GetDaughter(Int_t ind) const {return fOffset[3+ind];}
   virtual Int_t        GetMatrixInd() const   {return fOffset[1];}
   virtual Int_t        GetNdaughters() const  {return fNdaughters;}
   virtual TGeoNode    *GetNode() const        {return (TGeoNode*)(fOffset[0]+(Long_t)gSystem);}
   Int_t                GetNused() const       {return fNused;}
   Int_t                GetSize() const        {return fSize;}
   virtual Int_t        GetUsageCount() const  {return (fOffset[2]&0x3FFFFFFF);}
   virtual Bool_t       HasDaughters() const;
   virtual void         IncreaseArray();
   virtual void         IncrementUsageCount() {fOffset[2]++;}
   virtual Bool_t       IsPersistent() const;
   virtual void         SetMatrix(Int_t mind) {fOffset[1] = mind;}
   virtual void         SetPersistency(Bool_t flag=kTRUE);

  ClassDef(TGeoNodeArray, 1)     // array of cached physical nodes
};

/*************************************************************************
 * TGeoNodeObjArray - container class for nodes with more than 254
 *     daughters.
 *
 *************************************************************************/

class TGeoNodeObjArray : public TGeoNodeArray
{
private:
   Int_t                fIndex;      // index of current node
   TObjArray           *fObjArray;   //[fSize] array of TGeoNodePos objects
   TGeoNodePos         *fCurrent;    // current node
public:
   TGeoNodeObjArray();
   TGeoNodeObjArray(Int_t size);
   virtual ~TGeoNodeObjArray();

   virtual Int_t        AddDaughter(TGeoNode *node, Int_t i);
   virtual Int_t        AddNode(TGeoNode *node);
   virtual Int_t        AddMatrix(TGeoMatrix *global);
   virtual void         cd(Int_t inode);
   virtual void         ClearDaughter(Int_t ind);
   virtual void         ClearMatrix();
   virtual void         ClearNode();
   virtual Int_t        GetMatrixInd() const {return fCurrent->GetMatrixInd();}
   virtual Int_t        GetDaughter(Int_t ind) const {return fCurrent->GetDaughter(ind);}
   virtual Int_t        GetNdaughters() const {return fCurrent->GetNdaughters();}
   virtual TGeoNode    *GetNode() const {return fCurrent->GetNode();}
   virtual Int_t        GetUsageCount() const {return fCurrent->GetUsageCount();}
   virtual Bool_t       HasDaughters() const {return fCurrent->HasDaughters();}
   virtual void         IncreaseArray();
   virtual void         IncrementUsageCount() {fCurrent->IncrementUsageCount();}
   virtual Bool_t       IsPersistent() const {return fCurrent->IsPersistent();}
   virtual void         SetPersistency(Bool_t flag=kTRUE) {fCurrent->SetPersistency(flag);}
   virtual void         SetMatrix(Int_t mind) {fCurrent->SetMatrix(mind);}

  ClassDef(TGeoNodeObjArray, 1)     // array of physical nodes objects
};



/*************************************************************************
 * TGeoMatHandler - generic matrix handlers for computing master->local
 *    and local->master transformations directly from matrix cache
 *
 *************************************************************************/

class TGeoMatHandler
{
protected:
   Double_t            *fLocation;  // adress of current matrix
public:
   TGeoMatHandler();
   virtual ~TGeoMatHandler() {}

   void                 SetLocation(Double_t *add) {fLocation=add;}
   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix) = 0;
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix) = 0;
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const = 0;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const = 0;
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const = 0;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const = 0;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const = 0;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const = 0;
  ClassDef(TGeoMatHandler,0)      // global matrix cache handler
};

/*************************************************************************
 * TGeoMatHandlerId - handler for id transformations
 *
 *
 *************************************************************************/

class TGeoMatHandlerId : public TGeoMatHandler
{
public:
   TGeoMatHandlerId() {}
   virtual ~TGeoMatHandlerId() {}

   virtual void         AddMatrix(Double_t * /*to*/, TGeoMatrix * /*matrix*/) {;}
   virtual void         GetMatrix(Double_t * /*from*/, TGeoHMatrix * /*matrix*/) {;}
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}

  ClassDef(TGeoMatHandlerId,0)      // global matrix cache handler id
};


/*************************************************************************
 * TGeoMatHandlerX - handler for translations on X axis
 *
 *
 *************************************************************************/

class TGeoMatHandlerX : public TGeoMatHandler
{
public:
   TGeoMatHandlerX() {}
   virtual ~TGeoMatHandlerX() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerX,0)      // global matrix cache handler X
};

/*************************************************************************
 * TGeoMatHandlerY - handler for translations on Y axis
 *
 *
 *************************************************************************/

class TGeoMatHandlerY : public TGeoMatHandler
{
public:
   TGeoMatHandlerY() {}
   virtual ~TGeoMatHandlerY() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerY,0)      // global matrix cache handler Y
};

/*************************************************************************
 * TGeoMatHandlerZ - handler for translations on Z axis
 *
 *
 *************************************************************************/

class TGeoMatHandlerZ : public TGeoMatHandler
{
public:
   TGeoMatHandlerZ() {}
   virtual ~TGeoMatHandlerZ() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerZ,0)      // global matrix cache handler Z
};

/*************************************************************************
 * TGeoMatHandlerXY - handler for XY translations
 *
 *
 *************************************************************************/

class TGeoMatHandlerXY : public TGeoMatHandler
{
public:
   TGeoMatHandlerXY() {}
   virtual ~TGeoMatHandlerXY() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerXY,0)      // global matrix cache handler XY
};

/*************************************************************************
 * TGeoMatHandlerXZ - handler for XZ translations
 *
 *
 *************************************************************************/

class TGeoMatHandlerXZ : public TGeoMatHandler
{
public:
   TGeoMatHandlerXZ() {}
   virtual ~TGeoMatHandlerXZ() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerXZ,0)      // global matrix cache handler XZ
};

/*************************************************************************
 * TGeoMatHandlerYZ - handler for YZ translations
 *
 *
 *************************************************************************/

class TGeoMatHandlerYZ : public TGeoMatHandler
{
public:
   TGeoMatHandlerYZ() {}
   virtual ~TGeoMatHandlerYZ() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerYZ,0)      // global matrix cache handler YZ
};

/*************************************************************************
 * TGeoMatHandlerXYZ - handler for general translations
 *
 *
 *************************************************************************/

class TGeoMatHandlerXYZ : public TGeoMatHandler
{
public:
   TGeoMatHandlerXYZ() {}
   virtual ~TGeoMatHandlerXYZ() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {memcpy(master, local, 3*sizeof(Double_t));}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {memcpy(local, master, 3*sizeof(Double_t));}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerXYZ,0)      // global matrix cache handler XYZ
};

/*************************************************************************
 * TGeoMatHandlerRot - handler for rotations
 *
 *
 *************************************************************************/

class TGeoMatHandlerRot : public TGeoMatHandler
{
public:
   TGeoMatHandlerRot() {}
   virtual ~TGeoMatHandlerRot() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const
                           {TGeoMatHandlerRot::LocalToMaster(local, master);}
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const
                           {TGeoMatHandlerRot::MasterToLocal(master, local);}
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const
                           {LocalToMaster(local, master);}
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const
                           {MasterToLocal(master, local);}

  ClassDef(TGeoMatHandlerRot,0)      // global matrix cache handler rot
};

/*************************************************************************
 * TGeoMatHandlerRotTr - handler for general transformations without scaling
 *
 *
 *************************************************************************/

class TGeoMatHandlerRotTr : public TGeoMatHandler
{
public:
   TGeoMatHandlerRotTr() {}
   virtual ~TGeoMatHandlerRotTr() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t *local, Double_t *master) const;
   virtual void         LocalToMasterVect(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocal(const Double_t *master, Double_t *local) const;
   virtual void         MasterToLocalVect(const Double_t *master, Double_t *local) const;
   virtual void         LocalToMasterBomb(const Double_t *local, Double_t *master) const;
   virtual void         MasterToLocalBomb(const Double_t *master, Double_t *local) const;

  ClassDef(TGeoMatHandlerRotTr,0)      // global matrix cache handler rot-tr
};

/*************************************************************************
 * TGeoMatHandlerScl - handler for scale transformations
 *
 *
 *************************************************************************/

class TGeoMatHandlerScl : public TGeoMatHandler
{
public:
   TGeoMatHandlerScl() {}
   virtual ~TGeoMatHandlerScl() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         LocalToMasterVect(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocal(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         MasterToLocalVect(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         LocalToMasterBomb(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocalBomb(const Double_t * /*master*/, Double_t * /*local*/) const {;}

  ClassDef(TGeoMatHandlerScl,0)      // global matrix cache handler scale
};

/*************************************************************************
 * TGeoMatHandlerTrScl - handler for translations + scale
 *
 *
 *************************************************************************/

class TGeoMatHandlerTrScl : public TGeoMatHandler
{
public:
   TGeoMatHandlerTrScl() {}
   virtual ~TGeoMatHandlerTrScl() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         LocalToMasterVect(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocal(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         MasterToLocalVect(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         LocalToMasterBomb(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocalBomb(const Double_t * /*master*/, Double_t * /*local*/) const {;}

  ClassDef(TGeoMatHandlerTrScl,0)      // global matrix cache handler tr-scale
};

/*************************************************************************
 * TGeoMatHandlerRotScl - handler for rotations + scale
 *
 *
 *************************************************************************/

class TGeoMatHandlerRotScl : public TGeoMatHandler
{
public:
   TGeoMatHandlerRotScl() {}
   virtual ~TGeoMatHandlerRotScl() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         LocalToMasterVect(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocal(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         MasterToLocalVect(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         LocalToMasterBomb(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocalBomb(const Double_t * /*master*/, Double_t * /*local*/) const {;}

  ClassDef(TGeoMatHandlerRotScl,0)      // global matrix cache handler rot-scale
};

/*************************************************************************
 * TGeoMatHandlerTrScl - handler for most general transformations
 *
 *
 *************************************************************************/

class TGeoMatHandlerRotTrScl : public TGeoMatHandler
{
public:
   TGeoMatHandlerRotTrScl() {}
   virtual ~TGeoMatHandlerRotTrScl() {}

   virtual void         AddMatrix(Double_t *to, TGeoMatrix *matrix);
   virtual void         GetMatrix(Double_t *from, TGeoHMatrix *matrix);
   virtual void         LocalToMaster(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         LocalToMasterVect(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocal(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         MasterToLocalVect(const Double_t * /*master*/, Double_t * /*local*/) const {;}
   virtual void         LocalToMasterBomb(const Double_t * /*local*/, Double_t * /*master*/) const {;}
   virtual void         MasterToLocalBomb(const Double_t * /*master*/, Double_t * /*local*/) const {;}

  ClassDef(TGeoMatHandlerRotTrScl,0)      // global matrix cache handler rot-tr-scale
};

inline void TGeoNodeCache::CdCache() {fCache[fCurrentCache]->cd(fCurrentIndex);}
inline void TGeoNodeCache::ClearDaughter(Int_t index) {CdCache();
                                   fCache[fCurrentCache]->ClearDaughter(index);}
inline void TGeoNodeCache::IncrementUsageCount() {fCache[fCurrentCache]->IncrementUsageCount();
                                   fCount++;}
inline Int_t TGeoNodeCache::GetUsageCount() const {return fCache[fCurrentCache]->GetUsageCount();}
inline TGeoNode *TGeoNodeCache::GetNode() const {return fCache[fCurrentCache]->GetNode();}
inline void TGeoCacheDummy::Refresh()
                           {fNode=fNodeBranch[fLevel]; fMatrix=fMatrixBranch[fLevel];}
inline void TGeoMatrixCache::LocalToMaster(const Double_t *local, Double_t *master) const
                            {fHandlers[fHandler]->LocalToMaster(local, master);}
inline void TGeoMatrixCache::LocalToMasterVect(const Double_t *local, Double_t *master) const
                            {fHandlers[fHandler]->LocalToMasterVect(local, master);}
inline void TGeoMatrixCache::LocalToMasterBomb(const Double_t *local, Double_t *master) const
                            {fHandlers[fHandler]->LocalToMasterBomb(local, master);}
inline void TGeoMatrixCache::MasterToLocal(const Double_t *master, Double_t *local) const
                            {fHandlers[fHandler]->MasterToLocal(master, local);}
inline void TGeoMatrixCache::MasterToLocalVect(const Double_t *master, Double_t *local) const
                            {fHandlers[fHandler]->MasterToLocalVect(master, local);}
inline void TGeoMatrixCache::MasterToLocalBomb(const Double_t *master, Double_t *local) const
                            {fHandlers[fHandler]->MasterToLocalBomb(master, local);}
inline TGeoHMatrix *TGeoNodeCache::GetCurrentMatrix() const
                            {fMatrixPool->GetMatrix(fGlobalMatrix); return fGlobalMatrix;}
inline void TGeoNodeCache::LocalToMaster(const Double_t *local, Double_t *master) const
                            {fMatrixPool->LocalToMaster(local, master);}
inline void TGeoNodeCache::LocalToMasterVect(const Double_t *local, Double_t *master) const
                            {fMatrixPool->LocalToMasterVect(local, master);}
inline void TGeoNodeCache::LocalToMasterBomb(const Double_t *local, Double_t *master) const
                            {fMatrixPool->LocalToMasterBomb(local, master);}
inline void TGeoNodeCache::MasterToLocal(const Double_t *master, Double_t *local) const
                            {fMatrixPool->MasterToLocal(master, local);}
inline void TGeoNodeCache::MasterToLocalVect(const Double_t *master, Double_t *local) const
                            {fMatrixPool->MasterToLocalVect(master, local);}
inline void TGeoNodeCache::MasterToLocalBomb(const Double_t *master, Double_t *local) const
                            {fMatrixPool->MasterToLocalBomb(master, local);}

#endif


