explosion.cpp

s60源码

/**
 *
 * @brief Definition of CExplosion
 *
 * Copyright (c) EMCC Software Ltd 2003
 * @version 1.0
 */

#include "Explosion.h"

#include <aknutils.h>

#include <ClientAnimation.mbg>

_LIT(KFramesPath, "\\system\\apps\\ClientAnimation\\ClientAnimation.mbm");
const TInt KMaxNumFrames = 4;

CExplosion* CExplosion::NewL(TPoint aPoint)
	{
	CExplosion* self = CExplosion::NewLC(aPoint);
	CleanupStack::Pop();
	return self;
	}

CExplosion* CExplosion::NewLC(TPoint aPoint)
	{
	CExplosion* self = new (ELeave) CExplosion(aPoint);
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
	}

CExplosion::CExplosion(TPoint aPoint) :
	iCurrentFrame(0),
	iPoint(aPoint),
	iDescending(EFalse)
	{
	}

CExplosion::~CExplosion()
	{
	iBitmapArray.ResetAndDestroy();
	iMasksArray.ResetAndDestroy();
	}

void CExplosion::ConstructL()
	{
	CEikonEnv* env = CEikonEnv::Static();
	TFileName framesFile(KFramesPath);
	User::LeaveIfError(CompleteWithAppPath(framesFile));

	iBitmapArray.Append(env->CreateBitmapL(framesFile, EMbmClientanimationExplosionone));
	iBitmapArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosiontwo));
	iBitmapArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosionthree));
	iBitmapArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosionfour));
	iMasksArray.Append(env->CreateBitmapL(framesFile, EMbmClientanimationExplosiononemask));
	iMasksArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosiontwomask));
	iMasksArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosionthreemask));
	iMasksArray.Append(env->CreateBitmapL(framesFile,EMbmClientanimationExplosionfourmask));
	}

TBool CExplosion::IsFinished()
	{
	return iCurrentFrame == 0 && iDescending;
	}

void CExplosion::BlitCurrentFrame(CBitmapContext& aBitmapContext)
	{
	aBitmapContext.BitBltMasked(iPoint, iBitmapArray[iCurrentFrame], TRect(TPoint(0,0), iBitmapArray[iCurrentFrame]->SizeInPixels()), iMasksArray[iCurrentFrame], ETrue);

	if(iDescending)
		{
		iCurrentFrame--;
		}
	else
		{
		iCurrentFrame++;

		if(iCurrentFrame == KMaxNumFrames)
			{
			iDescending = ETrue;
			iCurrentFrame--;
			}
		}
	}
// End of File