/******************************************************************************
	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.
******************************************************************************/

#include "Stdafx.h"
#include "AnimationData.h"

#include "Model.h"

namespace Libx42
{

bool KeyStreamEntry::Equals( KeyStreamEntry ke )
{
	return
		Bone == ke.Bone &&
		Type == ke.Type &&
		Frame == ke.Frame &&
		Value == ke.Value;
}

bool KeyStreamEntry::Equals( Object^ obj )
{
	if( !obj )
		return false;

	try
	{
		KeyStreamEntry ke = safe_cast< KeyStreamEntry >( obj );
		return Equals( ke );
	}
	catch( InvalidCastException^ )
	{
		return false;
	}
}

KeyStream::KeyStream( Model ^owner )
	: owner( owner ),
	DataStream< KeyStreamEntry >( owner, owner->m->keyStream,
		sizeof( x42keyStreamEntry_t ), 0, owner->m->header.keyStreamLength )
{
}

AnimationClip::AnimationClip( Model ^owner, int index )
	: owner( owner ), index( index )
{
}

const x42animation_t& AnimationClip::RawAnimationClip::get( void )
{
	return owner->m->animations[index];
}

String^ AnimationClip::Name::get( void )
{
	return owner->GetModelString( RawAnimationClip.name );
}

AnimationClipCollection::AnimationClipCollection( Model ^owner )
	: ModelItemCollection< AnimationClip^ >( owner )
{
	items = gcnew array< AnimationClip^ >( owner->m->header.numAnims );
	for( int i = 0; i < items->Length; i++ )
		items[i] = gcnew AnimationClip( owner, i );
}

AnimationData::AnimationData( Model ^owner )
	: owner( owner )
{
	keyStream = gcnew Libx42::KeyStream( owner );
	posValues = gcnew DataStream< Libx42::Math::Vector3 >( owner, owner->m->posValues,
		sizeof( vec3_t ), 0, owner->m->header.numPosValues );
	rotValues = gcnew DataStream< Libx42::Math::Quaternion >( owner, owner->m->rotValues,
		sizeof( quat_t ), 0, owner->m->header.numRotValues );
	scaleValues = gcnew DataStream< Libx42::Math::Vector3 >( owner, owner->m->scaleValues,
		sizeof( vec3_t ), 0, owner->m->header.numScaleValues );
	animations = gcnew AnimationClipCollection( owner );
}

};