EXPR/EX_Vector.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Robert Pringle & Mark Elendt
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        evvector.C ( EXPR Library, C++)
 *
 * COMMENTS:
 */

#ifndef __EX_Vector_h__
#define __EX_Vector_h__

#include "EXPR_API.h"
class ev_Matrix;
class UT_Vector3;
class UT_Vector4;

//
// Class definition for array data types
//

class EXPR_API ev_Vector {
public:
     ev_Vector(int size=1);
     ev_Vector(const ev_Vector &src);
    ~ev_Vector();

    int          getSize() const                { return (int)myArray[0]; }
    float        getValue(int idx) const;
    float        fastGet(int idx) const         { return myArray[idx+1]; }
    void         setValue(int idx, float val);

    void         copy(const ev_Vector &src);
    void         add(const ev_Vector &src);
    void         sub(const ev_Vector &src);
    void         times(float scalar);
    void         times(const ev_Matrix &src);

    void         getVector3(UT_Vector3 &v) const;
    void         getVector4(UT_Vector4 &v) const;
    void         setVector3(const UT_Vector3 &v);
    void         setVector4(const UT_Vector4 &v);

    int          castFrom(const char *str);
    int          castFrom(float val);
    int          castFrom(ev_Matrix &from);
    int          castTo(ev_Matrix &to) const;
    int          castToFloat(float &rval) const;
    char        *castToString() const;

    // Returns 1 if it's a valid vector string
    int          scan(const char *str);

    float        operator()(int idx) const      { return fastGet(idx); }
    float        operator[](int idx) const      { return getValue(idx); }
    void         grow(int newsize);

private:

    float       *myArray;
};

#endif

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