/*
-----------------------------------------------------------------------------
Filename:    BasicTutorial7.h
-----------------------------------------------------------------------------

This source file is part of the
   ___                 __    __ _ _    _ 
  /___\__ _ _ __ ___  / / /\ \ (_) | _(_)
 //  // _` | '__/ _ \ \ \/  \/ / | |/ / |
/ \_// (_| | | |  __/  \  /\  /| |   <| |
\___/ \__, |_|  \___|   \/  \/ |_|_|\_\_|
      |___/                              
      Tutorial Framework
      http://www.ogre3d.org/tikiwiki/
-----------------------------------------------------------------------------
*/
#ifndef __BasicTutorial7_h_
#define __BasicTutorial7_h_

#include "BaseApplication.h"

#include <CEGUI/CEGUI.h>
#include <CEGUI/RendererModules/Ogre/CEGUIOgreRenderer.h>

class BasicTutorial7 : public BaseApplication
{
public:
    BasicTutorial7(void);
    virtual ~BasicTutorial7(void);

protected:
    CEGUI::OgreRenderer* mRenderer;

    virtual void createScene(void);

    virtual void createFrameListener(void);

    // Ogre::FrameListener
    virtual bool frameRenderingQueued(const Ogre::FrameEvent& evt);

    // OIS::KeyListener
    virtual bool keyPressed( const OIS::KeyEvent &arg );
    virtual bool keyReleased( const OIS::KeyEvent &arg );
    // OIS::MouseListener
    virtual bool mouseMoved( const OIS::MouseEvent &arg );
    virtual bool mousePressed( const OIS::MouseEvent &arg, OIS::MouseButtonID id );
    virtual bool mouseReleased( const OIS::MouseEvent &arg, OIS::MouseButtonID id );

    bool quit(const CEGUI::EventArgs &e);
};

#endif // #ifndef __BasicTutorial7_h_

/*
-----------------------------------------------------------------------------
Filename:    BasicTutorial7.cpp
-----------------------------------------------------------------------------

This source file is part of the
   ___                 __    __ _ _    _ 
  /___\__ _ _ __ ___  / / /\ \ (_) | _(_)
 //  // _` | '__/ _ \ \ \/  \/ / | |/ / |
/ \_// (_| | | |  __/  \  /\  /| |   <| |
\___/ \__, |_|  \___|   \/  \/ |_|_|\_\_|
      |___/                              
      Tutorial Framework
      http://www.ogre3d.org/tikiwiki/
-----------------------------------------------------------------------------
*/
#include "BasicTutorial7.h"

//-------------------------------------------------------------------------------------
BasicTutorial7::BasicTutorial7(void)
    : mRenderer(0)
{
}
//-------------------------------------------------------------------------------------
BasicTutorial7::~BasicTutorial7(void)
{
    CEGUI::OgreRenderer::destroySystem();
}

//-------------------------------------------------------------------------------------
void BasicTutorial7::createScene(void)
{
    mRenderer = &CEGUI::OgreRenderer::bootstrapSystem();

    CEGUI::Imageset::setDefaultResourceGroup("Imagesets");
    CEGUI::Font::setDefaultResourceGroup("Fonts");
    CEGUI::Scheme::setDefaultResourceGroup("Schemes");
    CEGUI::WidgetLookManager::setDefaultResourceGroup("LookNFeel");
    CEGUI::WindowManager::setDefaultResourceGroup("Layouts");

    CEGUI::SchemeManager::getSingleton().create("TaharezLook.scheme");

    CEGUI::System::getSingleton().setDefaultMouseCursor("TaharezLook", "MouseArrow");

    CEGUI::WindowManager &wmgr = CEGUI::WindowManager::getSingleton();
    CEGUI::Window *sheet = wmgr.createWindow("DefaultWindow", "CEGUIDemo/Sheet");

    CEGUI::Window *quit = wmgr.createWindow("TaharezLook/Button", "CEGUIDemo/QuitButton");
    quit->setText("Quit");
    quit->setSize(CEGUI::UVector2(CEGUI::UDim(0.15, 0), CEGUI::UDim(0.05, 0)));

    sheet->addChildWindow(quit);
    CEGUI::System::getSingleton().setGUISheet(sheet);

    quit->subscribeEvent(CEGUI::PushButton::EventClicked,
    CEGUI::Event::Subscriber(&BasicTutorial7::quit, this));

    mSceneMgr->setAmbientLight(Ogre::ColourValue(1, 1, 1));
    mSceneMgr->setSkyDome(true, "Examples/CloudySky", 5, 8);
    Ogre::Entity* ogreHead = mSceneMgr->createEntity("Head", "ogrehead.mesh");
    Ogre::SceneNode* headNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(Ogre::Vector3(0, 0, -300));
    headNode->attachObject(ogreHead);

    Ogre::TexturePtr tex = mRoot->getTextureManager()->createManual(
        "RTT",
        Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
        Ogre::TEX_TYPE_2D,
        512,
        512,
        0,
        Ogre::PF_R8G8B8,
        Ogre::TU_RENDERTARGET);
    Ogre::RenderTexture *rtex = tex->getBuffer()->getRenderTarget();

    Ogre::Camera *cam = mSceneMgr->createCamera("RTTCam");
    cam->setPosition(100, -100, -400);
    cam->lookAt(0, 0, -300);
    Ogre::Viewport *v = rtex->addViewport(cam);
    v->setOverlaysEnabled(false);
    v->setClearEveryFrame(true);
    v->setBackgroundColour(Ogre::ColourValue::Black);

    CEGUI::Texture &guiTex = mRenderer->createTexture(tex);

    CEGUI::Imageset &imageSet =
      CEGUI::ImagesetManager::getSingleton().create("RTTImageset", guiTex);
    imageSet.defineImage("RTTImage",
                         CEGUI::Point(0.0f, 0.0f),
                         CEGUI::Size(guiTex.getSize().d_width,
                                     guiTex.getSize().d_height),
                         CEGUI::Point(0.0f, 0.0f));

    CEGUI::Window *si = CEGUI::WindowManager::getSingleton().createWindow("TaharezLook/StaticImage", "RTTWindow");
    si->setSize(CEGUI::UVector2(CEGUI::UDim(0.5f, 0),
                                CEGUI::UDim(0.4f, 0)));
    si->setPosition(CEGUI::UVector2(CEGUI::UDim(0.5f, 0),
                                    CEGUI::UDim(0.0f, 0)));

    si->setProperty("Image", CEGUI::PropertyHelper::imageToString(&imageSet.getImage("RTTImage")));

    sheet->addChildWindow(si);
}

void BasicTutorial7::createFrameListener(void)
{
    Ogre::LogManager::getSingletonPtr()->logMessage("*** Initializing OIS ***");
    OIS::ParamList pl;
    size_t windowHnd = 0;
    std::ostringstream windowHndStr;

    mWindow->getCustomAttribute("WINDOW", &windowHnd);
    windowHndStr << windowHnd;
    pl.insert(std::make_pair(std::string("WINDOW"), windowHndStr.str()));

    mInputManager = OIS::InputManager::createInputSystem( pl );

    mKeyboard = static_cast<OIS::Keyboard*>(mInputManager->createInputObject( OIS::OISKeyboard, true ));
    mMouse = static_cast<OIS::Mouse*>(mInputManager->createInputObject( OIS::OISMouse, true ));

    mMouse->setEventCallback(this);
    mKeyboard->setEventCallback(this);

    //Set initial mouse clipping size
    windowResized(mWindow);

    //Register as a Window listener
    Ogre::WindowEventUtilities::addWindowEventListener(mWindow, this);

    mRoot->addFrameListener(this);
}

bool BasicTutorial7::frameRenderingQueued(const Ogre::FrameEvent& evt)
{
    if(mWindow->isClosed())
        return false;

    if(mShutDown)
        return false;

    //Need to capture/update each device
    mKeyboard->capture();
    mMouse->capture();

    return true;
}

bool BasicTutorial7::keyPressed( const OIS::KeyEvent &arg )
{
    CEGUI::System &sys = CEGUI::System::getSingleton();
    sys.injectKeyDown(arg.key);
    sys.injectChar(arg.text);
    
    if (arg.key == OIS::KC_ESCAPE)
    {
        mShutDown = true;
    }

    mCameraMan->injectKeyDown(arg);
    return true;
}

bool BasicTutorial7::keyReleased( const OIS::KeyEvent &arg )
{
    if(CEGUI::System::getSingleton().injectKeyUp(arg.key)) return true;
    mCameraMan->injectKeyUp(arg);
    return true;
}

CEGUI::MouseButton convertButton(OIS::MouseButtonID buttonID)
{
    switch (buttonID)
    {
    case OIS::MB_Left:
        return CEGUI::LeftButton;
        break;
 
    case OIS::MB_Right:
        return CEGUI::RightButton;
        break;
 
    case OIS::MB_Middle:
        return CEGUI::MiddleButton;
        break;
 
    default:
        return CEGUI::LeftButton;
        break;
    }
}

bool BasicTutorial7::mouseMoved( const OIS::MouseEvent &arg )
{
    if(CEGUI::System::getSingleton().injectMouseMove(arg.state.X.rel, arg.state.Y.rel)) return true;
    mCameraMan->injectMouseMove(arg);
    return true;
}

bool BasicTutorial7::mousePressed( const OIS::MouseEvent &arg, OIS::MouseButtonID id )
{
    if(CEGUI::System::getSingleton().injectMouseButtonDown(convertButton(id))) return true;
    mCameraMan->injectMouseDown(arg, id);
    return true;
}

bool BasicTutorial7::mouseReleased( const OIS::MouseEvent &arg, OIS::MouseButtonID id )
{
    if(CEGUI::System::getSingleton().injectMouseButtonUp(convertButton(id))) return true;
    mCameraMan->injectMouseUp(arg, id);
    return true;
}

bool BasicTutorial7::quit(const CEGUI::EventArgs &e)
{
    mShutDown = true;
    return true;
}


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

#ifdef __cplusplus
extern "C" {
#endif

#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
    INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
#else
    int main(int argc, char *argv[])
#endif
    {
        // Create application object
        BasicTutorial7 app;

        try {
            app.go();
        } catch( Ogre::Exception& e ) {
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
            MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
#else
            std::cerr << "An exception has occured: " <<
                e.getFullDescription().c_str() << std::endl;
#endif
        }

        return 0;
    }

#ifdef __cplusplus
}
#endif