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AcdId.h

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#ifndef AcdId_H
#define AcdId_H

#include "TObject.h"

class AcdId : public TObject {

private:
    UInt_t m_id;  
    Char_t m_used;
    UShort_t m_readoutIndex;
    void setLayer( unsigned int val );
    void setFace (unsigned int f);
    void setRow( unsigned int r );
    void setColumn( unsigned int c );
    
    // extend the notion of a layer to allow for more than 2 layers - for XGTs for example
    enum {
        _layermask = 0x1800,
        _facemask  = 0x0700,
        _rowmask   = 0x00F0,
        _colmask   = 0x000F,
        layerShift = 11
    };
    
public:
    AcdId();
    AcdId(const AcdId& id);
    AcdId(short l, short f, short r, short c);
    AcdId(UInt_t i, short base=10, short used=1);
    virtual ~AcdId() { };
    
    UInt_t getId(short base = 10) const;
    void setId(UInt_t newVal, short used = 1, short base=10);
    bool isTop () const;  
    bool isSide () const;   
    short getLayer () const;     
    short getFace() const;
    short getRow() const;     
    short getColumn () const;   
    bool wasConnected() const;
    void setConnected(Char_t c);
    UShort_t getReadoutIndex() const { return m_readoutIndex; };
    void setReadoutIndex(UShort_t i) { m_readoutIndex = i; };
    void base10ToAcdId(UInt_t val, short &lay, short &face, short &row, short &col);
    
    static UShort_t badId;
    
private:
    inline short int word ( short i, const UInt_t& v ) const
    {
        short   shft = i*4;
        unsigned int  mask = 0x000F << shft;
        return (v & mask) >> shft;
    }
    
    void set_word ( short i, UInt_t& v, const UInt_t& s )
    {
        short   shft = i*4;
        unsigned int  mask = 0x000F << shft;
        v = ((v & ~mask) | ((s << shft) & mask));
    }
    
    ClassDef(AcdId,3)     // ACD Tile identification information
};

#endif

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