/*

 * 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: SkinnedMesh interface

 *

 */

 #ifndef __M3G_SKINNEDMESH_H__

 #define __M3G_SKINNEDMESH_H__

 /*!

  * \internal

  * \file

  * \brief SkinnedMesh interface

  */

 #include "m3g_mesh.h"

 #include "m3g_array.h"

 typedef struct BoneRecord Bone;

 struct M3GSkinnedMeshImpl

 {

 	Mesh mesh;

     Group *skeleton;

     PointerArray bones;

     M3Gint weightedVertexCount, bonesPerVertex;

     M3Gubyte *boneIndices[M3G_MAX_VERTEX_TRANSFORMS];

     M3Gubyte *boneWeights[M3G_MAX_VERTEX_TRANSFORMS];

     M3Gubyte *weightShifts;

     M3Gubyte *normalizedWeights[M3G_MAX_VERTEX_TRANSFORMS];

     /* Scale and bias transformation for morphing */    

     M3Gshort scaleMatrix[9], biasVector[3];

     M3Gshort scaleExp, biasExp, scaleBiasExp;

     M3Gshort maxExp; /* total maximum exponent */

     /*! \internal \brief internal morphed vertex buffer */

     VertexBuffer *morphedVB;

     M3Gint vbTimestamp;

     M3Gshort posShift, normalShift;

     AABB bbox;

     M3Gbool weightsDirty;

 };

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

  * Internal functions

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

 #endif /*__M3G_SKINNEDMESH_H__*/