Light.h

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/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   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.
 *
 *   Author:
 *      Fabian 'x3n' Landau
 *   Co-authors:
 *      ...
 *
 */

#ifndef _Light_H__
#define _Light_H__

#include "OrxonoxPrereqs.h"

#include <string>
#include "util/Math.h"
#include "interfaces/TeamColourable.h"
#include "worldentities/StaticEntity.h"

namespace orxonox
{
    class _OrxonoxExport Light : public StaticEntity, public TeamColourable
    {
        public:
            enum class Type // Copy from the Ogre enum
            {
                Point,
                Directional,
                Spotlight
            };

        public:
            Light(Context* context);
            virtual ~Light();

            virtual void XMLPort(Element& xmlelement, XMLPort::Mode mode) override;

            virtual void changedVisibility() override;

            inline Ogre::Light* getLight()
                { return this->light_; }

            inline void setType(Light::Type type)
                { this->type_ = type; this->updateType(); }
            inline Light::Type getType() const
                { return this->type_; }

            inline void setDiffuseColour(const ColourValue& colour)
                { this->diffuse_ = colour; this->updateDiffuseColour(); }
            inline const ColourValue& getDiffuseColour() const
                { return this->diffuse_; }

            inline void setSpecularColour(const ColourValue& colour)
                { this->specular_ = colour; this->updateSpecularColour(); }
            inline const ColourValue& getSpecularColour() const
                { return this->specular_; }

            virtual void setTeamColour(const ColourValue& colour) override
                { this->setDiffuseColour(colour); this->setSpecularColour(colour); }

            inline void setAttenuation(const Vector4& attenuation)
                { this->attenuation_ = attenuation; this->updateAttenuation(); }
            inline const Vector4& getAttenuation() const
                { return this->attenuation_; }

            inline void setSpotlightRange(const Vector3& spotlightRange)
                { this->spotlightRange_ = spotlightRange; this->updateSpotlightRange(); }
            inline const Vector3& getSpotlightRange() const
                { return this->spotlightRange_; }

        private:
            void registerVariables();
            void setTypeString(const std::string& type);
            std::string getTypeString() const;

            void updateType();
            void updateDiffuseColour();
            void updateSpecularColour();
            void updateAttenuation();
            void updateSpotlightRange();

            Ogre::Light* light_;
            Light::Type type_;
            ColourValue diffuse_;
            ColourValue specular_;
            Vector4 attenuation_;
            Vector3 spotlightRange_;
    };
}

#endif /* _Light_H__ */