OSGCloudWrap.h

Go to the documentation of this file.

#ifndef _VRECKO_CLOUDS_OSGCLOUDWRAP_H
#define _VRECKO_CLOUDS_OSGCLOUDWRAP_H

//#include <osg/Drawable>

#include "CloudsManager.h"

class CloudDataType : public osg::Referenced
{
    private:
        // Attributes storing information from the osg::Camera
        osg::Vec3f cameraPos, cameraView, cameraUp;
    public:

        void setCameraData(const osg::Vec3f& cameraPos, const osg::Vec3f& cameraView, const osg::Vec3f& cameraUp)
        {
            this->cameraPos = cameraPos;
            this->cameraView = cameraView;
            this->cameraUp = cameraUp;
        }

        osg::Vec3f getCameraPos(void) { return osg::Vec3f(cameraPos.x(), cameraPos.y(), cameraPos.z()); }
        osg::Vec3f getCameraView(void) { return osg::Vec3f(cameraView.x(), cameraView.y(), cameraView.z()); }
        osg::Vec3f getCameraUp(void) { return osg::Vec3f(cameraUp.x(), cameraUp.y(), cameraUp.z()); }
};

struct AllCloudsUpdateCallBack : public osg::Camera::DrawCallback
{
    // Attributes
    osg::ref_ptr<CloudDataType> cloudData;

    // Methods
    AllCloudsUpdateCallBack() {}
    AllCloudsUpdateCallBack(osg::ref_ptr<CloudDataType> data) : cloudData(data) {}
    AllCloudsUpdateCallBack(const AllCloudsUpdateCallBack&, const osg::CopyOp&) {}

    META_Object(osgCloud, AllCloudsUpdateCallBack)

    virtual void operator() (const osg::Camera& camera) const
     {
        if(!cloudData.get())
        {
            std::cout << "AllCloudsUpdateCallback dynamic_cast error" << std::endl;
            //exit(2);
            return;
        }

        // Pass the current view matrix to the clouds
        Cloud::SetViewMatrix(camera.getViewMatrix());

        // Call cloud manager update
        g_Clouds.Update(cloudData->getCameraPos(), cloudData->getCameraView(), cloudData->getCameraUp());
    }
};

#endif