CloudsManager.h

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/*
--------------------------------------------------------------------------------
This source file is part of SkyX.
Visit http://www.paradise-studios.net/products/skyx/
 
Copyright (C) 2009-2012 Xavier Vergu�n Gonz�lez <xavyiy@gmail.com>
 
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
--------------------------------------------------------------------------------
*/
 
#ifndef _SkyX_CloudsManager_H_
#define _SkyX_CloudsManager_H_
 
#include "Prerequisites.h"
 
#include "ColorGradient.h"
 
namespace SkyX
{
    class SkyX;
 
    class CloudLayer 
    {
    public:
        struct Options 
        {
            Ogre::Real Height;
            Ogre::Real Scale;
            Ogre::Vector2 WindDirection;
            Ogre::Real TimeMultiplier;
 
            Ogre::Real DistanceAttenuation;
            Ogre::Real DetailAttenuation;
            Ogre::Real HeightVolume;
            Ogre::Real VolumetricDisplacement;
 
 
            Options()
                : Height(100)
                , Scale(0.001f)
                , WindDirection(Ogre::Vector2(1,1))
                , TimeMultiplier(0.125f)
                , DistanceAttenuation(0.05f)
                , DetailAttenuation(1)
                , HeightVolume(0.25f)
                , VolumetricDisplacement(0.01f)
            {
            }
            Options() {…}
 
            Options(const Ogre::Real& _Height, 
                    const Ogre::Real& _Scale, 
                    const Ogre::Vector2& _WindDirection, 
                    const Ogre::Real& _TimeMultiplier)
                : Height(_Height)
                , Scale(_Scale)
                , WindDirection(_WindDirection)
                , TimeMultiplier(_TimeMultiplier)
                , DistanceAttenuation(0.05f)
                , DetailAttenuation(1)
                , HeightVolume(0.25f)
                , VolumetricDisplacement(0.01f)
            {
            }
            Options(const Ogre::Real& _Height,  {…}
 
            Options(const Ogre::Real& _Height, 
                    const Ogre::Real& _Scale, 
                    const Ogre::Vector2& _WindDirection, 
                    const Ogre::Real& _TimeMultiplier,
                    const Ogre::Real& _DistanceAttenuation,
                    const Ogre::Real& _DetailAttenuation,
                    const Ogre::Real& _HeightVolume,
                    const Ogre::Real& _VolumetricDisplacement)
                : Height(_Height)
                , Scale(_Scale)
                , WindDirection(_WindDirection)
                , TimeMultiplier(_TimeMultiplier)
                , DistanceAttenuation(_DistanceAttenuation)
                , DetailAttenuation(_DetailAttenuation)
                , HeightVolume(_HeightVolume)
                , VolumetricDisplacement(_VolumetricDisplacement)
            {
            }
            Options(const Ogre::Real& _Height,  {…}
        };
        struct Options  {…};
 
 
        CloudLayer(SkyX *s);
 
        CloudLayer(SkyX *s, const Options& o);
 
        ~CloudLayer();
 
        inline void setOptions(const Options& o)
        {
            mOptions = o;
            _updatePassParameters();
        }
        inline void setOptions(const Options& o) {…}
 
        inline const Options& getOptions() const
        {
            return mOptions;
        }
        inline const Options& getOptions() const {…}
 
        inline void setAmbientGradient(const ColorGradient& AmbientGradient)
        {
            mAmbientGradient = AmbientGradient;
        }
        inline void setAmbientGradient(const ColorGradient& AmbientGradient) {…}
 
        inline const ColorGradient& getAmbientGradient() const
        {
            return mAmbientGradient;
        }
        inline const ColorGradient& getAmbientGradient() const {…}
 
        inline void setSunGradient(const ColorGradient& SunGradient)
        {
            mSunGradient = SunGradient;
        }
        inline void setSunGradient(const ColorGradient& SunGradient) {…}
 
        inline const ColorGradient& getSunGradient() const
        {
            return mSunGradient;
        }
        inline const ColorGradient& getSunGradient() const {…}
 
        void _registerCloudLayer(Ogre::Pass* CloudLayerPass);
 
        void _unregister();
 
        void _updateInternalPassParameters();
 
    private:
        void _updatePassParameters();
 
        Options mOptions;
 
        ColorGradient mAmbientGradient;
        ColorGradient mSunGradient;
 
        Ogre::Pass *mCloudLayerPass;
 
        SkyX *mSkyX;
    };
    class CloudLayer  {…};
 
    class CloudsManager 
    {
    public:
        CloudsManager(SkyX *h);
 
        ~CloudsManager();
 
        void update();
 
        CloudLayer* add(const CloudLayer::Options& o);
 
        void remove(CloudLayer *cl);
 
        void removeAll();
 
        void registerAll();
 
        void unregister(CloudLayer* cl);
 
        void unregisterAll();
 
        inline const std::vector<CloudLayer*>& getCloudLayers() const
        {
            return mCloudLayers;
        }
        inline const std::vector<CloudLayer*>& getCloudLayers() const {…}
 
    private:
        std::vector<CloudLayer*> mCloudLayers;
        std::vector<CloudLayer*>::iterator CloudLayersIt;
 
        SkyX *mSkyX;
    };
    class CloudsManager  {…};
}
 
#endif