CloudSystem.h

/*
This file is part of Caelum.
See http://www.ogre3d.org/wiki/index.php/Caelum 

Copyright (c) 2008 Caelum team. See Contributors.txt for details.

Caelum 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 3 of the License, or
(at your option) any later version.

Caelum 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 Caelum. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef CAELUM__CLOUD_SYSTEM_H
#define CAELUM__CLOUD_SYSTEM_H

#include "CaelumPrerequisites.h"

namespace Caelum
{
    class CAELUM_EXPORT CloudSystem
    {
    public:
        CloudSystem (
                    Ogre::SceneManager *sceneMgr,
                    Ogre::SceneNode *cloudRoot);

        ~CloudSystem();

        typedef std::vector<FlatCloudLayer*> LayerVector;

    private:
        Ogre::SceneManager *mSceneMgr;
        Ogre::SceneNode *mCloudRoot;
        LayerVector mLayers;

    public:
        LayerVector& getLayerVector() { return mLayers; }

        void clearLayers();

        FlatCloudLayer* createLayer();

        FlatCloudLayer* createLayerAtHeight(Ogre::Real height);

        void addLayer(FlatCloudLayer* layer);

        inline FlatCloudLayer* getLayer(int index) { return mLayers[index]; }

        inline int getLayerCount() { return static_cast<int> (mLayers.size ()); }

        void update (
                Ogre::Real timePassed,
                const Ogre::Vector3 &sunDirection,
                const Ogre::ColourValue &sunLightColour,
                const Ogre::ColourValue &fogColour,
                const Ogre::ColourValue &sunSphereColour);

        virtual void forceLayerQueryFlags (uint flags);

        virtual void forceLayerVisibilityFlags (uint flags);
    };
}

#endif // CAELUM__CLOUD_SYSTEM_H