/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Group interface

*

*/

#ifndef __M3G_GROUP_H__

#define __M3G_GROUP_H__

/*!

 * \internal

 * \file

 * \brief Group interface

 */

#include "m3g_gl.h"

#include "m3g_node.h"

typedef M3Gushort GroupDescendantCount;

struct M3GGroupImpl

{

	Node node;

	Node *firstChild;

    AABB *bbox;

    GroupDescendantCount numRenderables, numNonCullables;

};

/*----------------------------------------------------------------------

 * Virtual functions

 *--------------------------------------------------------------------*/

static void m3gDestroyGroup(Object *obj);

static M3Gbool m3gGroupAlign(Node *self, const Node *refNode);

static M3Gbool m3gGroupSetupRender(Node *self,

                                   const Node *caller,

                                   SetupRenderState *s,

                                   RenderQueue *renderQueue);

static M3Gint m3gGroupApplyAnimation(Object *self, M3Gint time);

static M3Gbool m3gGroupRayIntersect(	Node *self,

								M3Gint mask,

								M3Gfloat *ray,

								RayIntersection *ri,

								Matrix *toGroup);

static M3Gint m3gGroupDoGetReferences(Object *self, Object **references);

static M3Gint m3gGroupGetBBox(Node *self, AABB *bbox);

static Object *m3gGroupFindID(Object *self, M3Gint userID);

static M3Gbool m3gGroupDuplicate(const Object *original, Object **clone, Object **pairs, M3Gint *numPairs);

static M3Gbool m3gGroupValidate(Node *self, M3Gbitmask stateBits, M3Gint scope);

static void m3gGroupUpdateDuplicateReferences(Node *self, Object **pairs, M3Gint numPairs);

/*----------------------------------------------------------------------

 * Internal functions

 *--------------------------------------------------------------------*/

static void m3gInitGroup(Interface *m3g,

                         Group *group,

                         M3GClass classID);

#endif /*__M3G_GROUP_H__*/