//////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014, Esteban Tovagliari. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are
//  met:
//
//      * Redistributions of source code must retain the above
//        copyright notice, this list of conditions and the following
//        disclaimer.
//
//      * Redistributions in binary form must reproduce the above
//        copyright notice, this list of conditions and the following
//        disclaimer in the documentation and/or other materials provided with
//        the distribution.
//
//      * Neither the name of John Haddon nor the names of
//        any other contributors to this software may be used to endorse or
//        promote products derived from this software without specific prior
//        written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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//
//////////////////////////////////////////////////////////////////////////

#ifndef GAFFERAPPLESEED_APPLESEEDLIGHT_H
#define GAFFERAPPLESEED_APPLESEEDLIGHT_H

#include "GafferAppleseed/Export.h"
#include "GafferAppleseed/TypeIds.h"

#include "GafferScene/Light.h"

#include "foundation/utility/api/specializedapiarrays.h"

namespace GafferAppleseed
{

class GAFFERAPPLESEED_API AppleseedLight : public GafferScene::Light
{

	public :

		IE_CORE_DECLARERUNTIMETYPEDEXTENSION( GafferAppleseed::AppleseedLight, AppleseedLightTypeId, GafferScene::Light );

		AppleseedLight( const std::string &name=defaultName<AppleseedLight>() );
		~AppleseedLight() override;

		void loadShader( const std::string &shaderName );

	protected :

		void hashLight( const Gaffer::Context *context, IECore::MurmurHash &h ) const override;
		IECore::ObjectVectorPtr computeLight( const Gaffer::Context *context ) const override;

	private :

		Gaffer::StringPlug *modelPlug();
		const Gaffer::StringPlug *modelPlug() const;

		void setupPlugs( const std::string &shaderName, const foundation::DictionaryArray &metadata );

		static size_t g_firstPlugIndex;

};

IE_CORE_DECLAREPTR( AppleseedLight )

} // namespace GafferAppleseed

#endif // GAFFERAPPLESEED_APPLESEEDLIGHT_H
