/*

 * 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: Mesh interface

 *

 */

 #ifndef __M3G_MESH_H__

 #define __M3G_MESH_H__

 /*!

  * \internal

  * \file

  * \brief Mesh interface

  */

 #include "m3g_gl.h"

 #include "m3g_node.h"

 #include "m3g_appearance.h"

 #include "m3g_indexbuffer.h"

 #include "m3g_vertexbuffer.h"

 struct M3GMeshImpl

 {

 	Node node;

 	VertexBuffer *vertexBuffer;

 	Appearance **appearances;

 	IndexBuffer **indexBuffers;

     M3Gint vbTimestamp;

 	M3Gushort trianglePatchCount;

     M3Gushort totalAlphaFactor;

 };

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

  * Internal functions

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

 static void m3gDestroyMesh(Object *obj);

 static M3Gint m3gMeshApplyAnimation(Object *self, M3Gint time);

 static M3Gbool m3gInitMesh(Interface *m3g,

                            Mesh *mesh,

                            M3GVertexBuffer hVertices,

                            M3GIndexBuffer *hTriangles,

                            M3GAppearance *hAppearances,

                            M3Gint trianglePatchCount,

                            M3GClass classID);

 static M3Gint m3gMeshDoGetReferences(Object *self, Object **references);

 static Object *m3gMeshFindID(Object *self, M3Gint userID);

 static M3Gbool m3gMeshDuplicate(const Object *original, Object **clone, Object **pairs, M3Gint *numPairs);

 static M3Gbool m3gMeshValidate(Node *self, M3Gbitmask stateBits, M3Gint scope);

 static M3Gbool m3gMeshRayIntersectInternal(	Mesh *mesh,

                                             VertexBuffer *vertices,

             								M3Gint mask,

             								M3Gfloat *ray,

             								RayIntersection *ri,

             								Matrix *toGroup);

 #if 0

 static M3Gint m3gMeshRenderingCost(const Mesh *mesh);

 #endif

 static M3Gbool m3gQueueMesh(Mesh *mesh, const Matrix *toCamera,

                             RenderQueue *renderQueue);

 #endif /*__M3G_MESH_H__*/