/******************************************************************************

 **                                                                          **

 **     Module:     dpg.h                                                    **

 **                                                                          **

 **                                                                          **

 **                                                                          **

 **                                                                          **

 **                                                                          **

 **     Copyright (C) 1995-1996 Apple Computer, Inc.  All rights reserved.   **

 **                                                                          **

 **                                                                          **

 *****************************************************************************/

#ifndef DistanceProxyGroup_sys_h

#define DistanceProxyGroup_sys_h

#if PRAGMA_ONCE

    #pragma once

#endif

#include "QD3D.h"

#include "QD3DGroup.h"

#include "DPGGroup.h"

/******************************************************************************

 **                                                                          **

 **                 Distance Proxy Display Groups                            **

 **                                                                          **

 *****************************************************************************/

typedef struct TQ3DistanceData {

    float               distance;

    TQ3GroupPosition    position;

} TQ3DistanceData;

typedef struct TQ3DistanceIOData {

    float               distance;

    unsigned long       index;

} TQ3DistanceIOData;

typedef struct TQ3DistanceProxyDisplayGroupPrivate {

    TQ3Point3D              refPt;

    TQ3DPGFlag              flag;

    float                   d;

    TQ3GroupPosition        position;

    TQ3DistanceData         *distTbl;

    unsigned long           distTblCnt;

    TQ3DistanceIOData       *distIOTbl;

    unsigned long           distIOTblCnt;

} TQ3DistanceProxyDisplayGroupPrivate;

typedef struct TQ3DPGPositionPrivate {

    TQ3Boolean  flag;

    float       distance;

} TQ3DPGPositionPrivate;

extern void *EiGroup_GetPositionPrivate(

    TQ3XObjectClass         objectClass,

    TQ3GroupObject          group,

    TQ3GroupPosition        gPos);

extern TQ3XObjectClass EgDistanceProxyDisplayGroupClass;

#define DPG_GETPRIVATE(x)\

     (TQ3DistanceProxyDisplayGroupPrivate *)Q3XObjectClass_GetPrivate(EgDistanceProxyDisplayGroupClass, (x))

#define DPG_POSITION_GETPRIVATE(group, pos)\

     (TQ3DPGPositionPrivate *)Q3XGroup_GetPositionPrivate( (group), (pos))

#ifdef __cplusplus

extern "C" {

#endif /*  __cplusplus  */

TQ3Status exDistanceProxyGroup_Register( 

    void);

TQ3GroupObject exDistanceProxyGroup_New(

    TQ3Point3D      *position,

    unsigned long   flags);

TQ3GroupPosition exDistanceProxyGroup_AddObjectDistance(

    TQ3GroupObject      group,

    TQ3Object           object,

    float               distance);

TQ3Status exDistanceProxyGroup_SetFlag(

    TQ3GroupObject      group,

    TQ3DPGFlag          flag);

TQ3Status exDistanceProxyGroup_GetFlag(

    TQ3GroupObject      group,

    TQ3DPGFlag          *flag);

TQ3Status exDistanceProxyGroup_SetReferencePoint(

    TQ3GroupObject      group,

    TQ3Point3D          *refPt);

TQ3Status exDistanceProxyGroup_GetReferencePoint(

    TQ3GroupObject      group,

    TQ3Point3D          *refPt);

TQ3Boolean exDistanceProxyGroup_SetDistanceAtPosition(

    TQ3GroupObject      group,

    TQ3GroupPosition    position,

    float               distance);

TQ3Boolean exDistanceProxyGroup_GetDistanceAtPosition(

    TQ3GroupObject      group,

    TQ3GroupPosition    position,

    float               *distance);

#ifdef __cplusplus

}

#endif /*  __cplusplus  */

#endif