GU/GU_Creep.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:
 *      Dale Ducharme   
 *      Side Effects Software Inc.
 *      20 Maud St.
 *      Toronto, Ontario,  M5V 2M5
 *      Canada
 *      416-504-9876
 *
 * NAME:        GU_Creep.h (C++)
 *
 * COMMENTS:    Paramters used in creep sop
 *
 */

#ifndef __GU_Creep_h__
#define __GU_Creep_h__

#include "GU_API.h"
#include <SYS/SYS_Types.h>
#include <UT/UT_Vector3.h>
#include <UT/UT_String.h>
#include <UT/UT_PtrArray.h>

class gu_CreepAttribMap;
class GB_PointGroup;
class GEO_Primitive;
class GU_Detail;

class GU_API GU_CreepParms
{
public:
     GU_CreepParms();
    ~GU_CreepParms();

    enum        GU_AttribOp {
        GU_SET_ATTRIB,
        GU_ADD_ATTRIB,
        GU_SUB_ATTRIB,
        GU_MUL_ATTRIB
    };

    // Patterns for attribute copying from path to crept geometry.  The
    // various attributes will only affect the point attributes of the
    // crept geometry.  Note that the path detail must be set before
    // these methods are called.
    void        setPointAttrib(const char *pattern, GU_AttribOp op);
    void        setPrimAttrib(const char *pattern, GU_AttribOp op);
    void        setVertexAttrib(const char *pattern, GU_AttribOp op);

    // Clear all stored attribute mappings.
    void        clearAttribMaps();

    void        setT(fpreal x, fpreal y, fpreal z)
                    { myT.assign(x, y, z); }
    void        setR(fpreal x, fpreal y, fpreal z)
                    { myR.assign(x, y, z); }
    void        setS(fpreal x, fpreal y, fpreal z)
                    { myS.assign(x, y, z); }
    void        setP(fpreal x, fpreal y, fpreal z)
                    { myP.assign(x, y, z); }

    void        identity()
                    {
                        setT(0, 0, 0);
                        setR(0, 0, 0);
                        setS(1, 1, 1);
                        setP(0, 0, 0);
                    }

    const UT_Vector3    &getT() const   { return myT; }
    const UT_Vector3    &getR() const   { return myR; }
    const UT_Vector3    &getS() const   { return myS; }
    const UT_Vector3    &getP() const   { return myP; }

    void        setUVAttribute(const char *name)
                    { myUVAttrib.harden(name); }

    bool        doInitFill() const      { return myInitFill; }
    bool        doInitUndistort() const { return myInitUndistort; }

    void        setInitFill(bool f)             { myInitFill = f; }
    void        setInitUndistort(bool f)        { myInitUndistort = f; }

    void        setSource(const GU_Detail *g)   { mySourceGdp = g; }
    void        setSourceGroup(const GB_PointGroup *g)  { mySourceGroup = g; }
    void        setPath(const GU_Detail *g)     { myPathGdp = g; }
    void        setPathPrim(const GEO_Primitive *p)     { myPathPrim = p; }

    const GU_Detail     *getSource() const      { return mySourceGdp; }
    const GB_PointGroup *getSourceGroup() const { return mySourceGroup; }

    const GU_Detail     *getPath() const        { return myPathGdp; }
    const GEO_Primitive *getPathPrim() const    { return myPathPrim; }

private:
    const GU_Detail             *myPathGdp;
    const GEO_Primitive         *myPathPrim;
    const GU_Detail             *mySourceGdp;
    const GB_PointGroup         *mySourceGroup;

    UT_Vector3                          myT, myR, myS, myP;
    UT_PtrArray<gu_CreepAttribMap *>    myPointMap;
    UT_PtrArray<gu_CreepAttribMap *>    myVertexMap;
    UT_PtrArray<gu_CreepAttribMap *>    myPrimMap;
    UT_String                           myUVAttrib;
    bool                                myInitFill;
    bool                                myInitUndistort;

    friend class GU_Detail;
};

#endif

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