#include "ExampleApplication.h"

SceneNode *lightNode;
float r=0,phi=0;

class TutorialFrameListener : public ExampleFrameListener
{
public:
    TutorialFrameListener(RenderWindow* win, Camera* cam, SceneManager *sceneMgr)
        : ExampleFrameListener(win, cam, false, false)
    {
    }

    bool frameStarted(const FrameEvent &evt)
    {
        // add tutorial code here:
        // ...
	lightNode->translate(Vector3(r*sin(phi),r*cos(phi),0));
	r+=0.1*evt.timeSinceLastFrame;
	phi+=1*evt.timeSinceLastFrame;

        return ExampleFrameListener::frameStarted(evt);
    }
private:
};


class TutorialApplication : public ExampleApplication
{
protected:
public:
    TutorialApplication()
    {
    }

    ~TutorialApplication()
    {
    }
protected:
    void createCamera(void)
    {
        // create camera
        mCamera = mSceneMgr->createCamera("PlayerCam");
        mCamera->setNearClipDistance(5);
        mCamera->setPosition(Vector3(0,10,500));
        mCamera->lookAt(Vector3(0,0,0));
    }

    void createScene(void)
    {
        // add tutorial code here:
        // ...
	mSceneMgr->setAmbientLight(ColourValue(0.3,0.3,0.3));
	Entity* head = mSceneMgr->createEntity("head","ogrehead.mesh");
	SceneNode *node=mSceneMgr->getRootSceneNode()->createChildSceneNode("OgreHeadNode",Vector3(0,0,0));
	node->attachObject(head);
	mSceneMgr->setSkyBox(true,"Examples/SpaceSkyBox");

	Light *light=mSceneMgr->createLight("Light1");
	light->setType(Light::LT_POINT);
	light->setPosition(Vector3(0,100,0));
	light->setDiffuseColour(0.0,1.0,1.0);
	light->setSpecularColour(0.0,1.0,1.0);
	BillboardSet *bbs = mSceneMgr->createBillboardSet("bb",1);
	bbs->createBillboard(Vector3::ZERO,ColourValue(0.0,1.0,1.0));
	bbs->setMaterialName("Examples/Flare");
	lightNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("LightNode",Vector3(0,100,0));
	lightNode->attachObject(bbs);
	lightNode->attachObject(light);
	light->setPosition(0.0,0.0,0.0);
    }

    void createFrameListener(void)
    {
        // create frame listener
        mFrameListener = new TutorialFrameListener(mWindow, mCamera, mSceneMgr);
        mRoot->addFrameListener(mFrameListener);
    }
};

#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"

INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
#else
int main(int argc, char **argv)
#endif
{
    // Create application object
    TutorialApplication app;

    try {
        app.go();
    } catch( Exception& e ) {
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
        MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occurred!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
#else
        fprintf(stderr, "An exception has occurred: %s\n",
                e.getFullDescription().c_str());
#endif
    }

    return 0;
}