/******************************************************************************
	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 "Influence.h"

#include "Model.h"
#include "Group.h"
#include "Bone.h"

using namespace System;
using namespace System::Collections::Generic;
using namespace System::IO;

namespace Libx42
{

const x42influence_t& Influence::RawInfluence::get( void )
{
	return owner->m->influences[index];
}

Bone^ Influence::Bone::get( void )
{
	if( RawInfluence.bone == X42_MODEL_BONE )
		return nullptr;

	return owner->Bones[(int)RawInfluence.bone];
}

Math::Affine Influence::MeshToBone::get( void )
{
	Math::Affine ret;

	memcpy( &ret, &RawInfluence.meshToBone, sizeof( affine_t ) );

	return ret;
}

array< Group^ >^ Influence::GetGroups( void )
{
	List< Group^ > retList;

	for( int i = 0; i < owner->Groups->Count; i++ )
		if( owner->Groups[i]->Influences->Contains( this ) )
			retList.Add( owner->Groups[i] );

	return retList.ToArray();
}

InfluenceCollection::InfluenceCollection( Model ^owner )
	: ModelItemCollection< Influence^ >( owner )
{
	items = gcnew array< Influence^ >( owner->m->header.numInfluences );

	for( int i = 0; i < items->Length; i++ )
		items[i] = gcnew Influence( owner, i );
}

InfluenceCollection::InfluenceCollection( Model ^owner, Group ^group )
	: ModelItemCollection< Influence^ >( owner )
{
	items = gcnew array< Influence^ >( group->RawGroup.numInfluences );
	
	for( int i = 0; i < items->Length; i++ )
		items[i] = owner->Influences[group->RawGroup.influences[i]];

}

array< Influence^ >^ InfluenceCollection::GetStaticInfluences( void )
{
	List< Influence^ > retList;

	for( int i = 0; i < items->Length; i++ )
		if( !items[i]->Bone )
			retList.Add( items[i] );

	return retList.ToArray();
}

};