appstateintro.h

RGA: Biowaste Game Example This C++ application demonstrates how to create a 2D mobile game for S60

/*
* ==============================================================================
*  Name        : AppStateIntro.h
*  Part of     : RGA Game Example
*  Interface   :
*  Description : application intro state
*  Version     : 1.0
*
*  Copyright (c) 2007-2008 Nokia Corporation.
*  This material, including documentation and any related
*  computer programs, is protected by copyright controlled by
*  Nokia Corporation.
* ==============================================================================
*/

#ifndef __APPSTATEINTRO_H__
#define __APPSTATEINTRO_H__

#include "AppState.h"
#include <display.h>		// rga
#include <videoplayback.h>	// rga


class CAppStateIntro :	public CAppState,
						public IVideoPlaybackObserver
	{
	public:
		CAppStateIntro(CExampleApplication& aApp);
		virtual ~CAppStateIntro();

		/**
		 * Init
		 * Initialise the state
		 * @return KErrNone if successfull
		 */
		virtual TInt Init();
		
		/**
		 * Update
		 * Update application state
		 * @param aFrametime seconds elapsed since last frame
		 * @return state change value
		 */
		virtual EAppUpdateState Update(const TReal64& aFrametime);
		
		/**
		 * Draw
		 * Draw state graphics to given graphics context
		 * @param aContext graphics context to draw to.
		 */
		virtual void Draw(IGraphicsContext& aContext);
		
		/**
		 * KeyDown
		 * This handler is called by the main application object
		 * when any key is pressed
		 * @param aKeyCode RGA input key code of the pressed key
		 */
		virtual void KeyDown(TUint32 aKeyCode);
		
	private:	// from IVideoPlaybackObserver
        virtual void OpenCompleted( ReturnCode aError ) NO_THROW;
        virtual void PlayCompleted( ReturnCode aError ) NO_THROW;

        
	private:	// new functions
		/**
		 * InitVideoplayer
		 */
		TInt InitVideoplayer();
		
		/**
		 * UpdateIntroState
		 * Change intro State to next one
		 */
		void UpdateIntroState();
		
		/**
		 * ReleaseVideoPlayer
		 * release video player resources
		 */
		void ReleaseVideoPlayer();
	
	private:	// data
		IBitmap*			iTextBuffer;
		IGraphicsContext*	iTextBufferContext;

		IBitmap*			iAlphaBuffer;
		IGraphicsContext*	iAlphaBufferContext;
	
	
		TInt				iIntroState;
		TReal64				iIntroTimer;
		EAppUpdateState		iNextState;
		
		// video playback objects
		IVideoPlayback*		iVideoPlayer;
		TFileName			iVideoFilename;
	};


#endif /* __APPSTATEINTRO_H__*/