/******************************************************************************
	libx42.net - skinned vertex animation library (.NET API)
	Copyright (C) 2007 HermitWorks Entertainment Corporation

	This program is free software; you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the Free
	Software Foundation; either version 2 of the License, or (at your option)
	any later version.

	This program is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
	for more details.

	You should have received a copy of the GNU General Public License along
	with this program; if not, write to the
	
		Free Software Foundation, Inc.
		51 Franklin Street, Fifth Floor
		Boston, MA  02110-1301, USA.
******************************************************************************/

#pragma once

#include "Vector.h"
#include "Enums.h"
#include <xmmintrin.h>

#include "DataStream.h"

namespace Libx42
{

ref class Group;
ref class Model;
ref class Pose;
ref class AnimationBuffer;

public ref class AnimationBuffer
{
public:
	property Model^ Owner { Model^ get( void ) { return owner; } }

	void AnimateVertices( Pose ^pose );
	void AnimateVertices( Pose ^pose, Group ^group );
	void AnimateVertices( Pose ^pose, ... array< Group^ > ^groupsToUpdate );

	property DataStream< Math::Vector3 >^ PositionStream
	{
		DataStream< Math::Vector3 >^ get( void ) { return posStream; }
	}

	property DataStream< Math::Vector3 >^ NormalStream
	{
		DataStream< Math::Vector3 >^ get( void ) { return normStream; }
	}

	property DataStream< Math::Vector3 >^ TangentStream
	{
		DataStream< Math::Vector3 >^ get( void ) { return tanStream; }
	}

	property DataStream< Math::Vector3 >^ BinormalStream
	{
		DataStream< Math::Vector3 >^ get( void ) { return binStream; }
	}

internal:
	AnimationBuffer( Model ^owner, AnimationFlags flags );

private:
	Model ^owner;
	__m128 *posBuf, *normBuf, *tanBuf, *binBuf;
	DataStream< Math::Vector3 > ^posStream, ^normStream, ^tanStream, ^binStream;

	void AnimateVertices( Pose ^pose, uint groupNum );

	~AnimationBuffer( void );
	!AnimationBuffer( void );
};

};