gameengine.cpp

一个symbian上成熟的小游戏源码

/*
============================================================================
 Name        : GameEngine.cpp
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : CGameEngine implementation
============================================================================
*/

#include "GameEngine.h"
#include "S0707_MazeAppView.h"

#include <aknnotewrappers.h>
#include <stringloader.h>
#include <S0707_Maze.rsg>

namespace mygame
{

_LIT(KImageScene,"d:\\wwk\\bg.png"); 
_LIT(KImageSprite,"d:\\wwk\\car.png"); 

static TInt CELL_WIDTH = 24;//图像单元的宽度
static TInt CELL_HEIGHT = 24;//图像单元的高度
static TInt GRASS = 1;     //背景草地
static TInt WALL = 2;      //墙
static TInt BORDER = 72;	//地图的边大小，到达边后就滚动地图
static const TInt frameNum=6;
static TInt AniSequence[frameNum]={0,1,0,1,0,2};//定义精灵的动画
static TInt delays[frameNum]={1,1,1,1,1,1};//精灵动画每帧间的时间间隔
static const TInt rows=21;
static const TInt cols=21;
//游戏地图 内容帧索引,from 0
static TInt cells[rows][cols] = {
	{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 
	{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1}, 
	{1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1}, 
	{1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1}, 
	{1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1}, 
	{1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1}, 
	{1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1}, 
	{1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1}, 
	{1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1}, 
	{1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1}, 
	{1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1}, 
	{1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1}, 
	{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1}, 
	{1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1}, 
	{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1}
};

CGameEngine::CGameEngine(const TRect& aRect,CCoeControl* aControl)
{
	iBLoadImageOK=EFalse;

	iVwX=0;
	iVwY=0;
	iVwWidth=aRect.Width();
	iVwHeight=aRect.Height();

	iDirection = ERight;
	iCarX=1;
	iCarY=1;

	iControl=aControl;
}


CGameEngine::~CGameEngine()
{
	if (iTimer)
	{
		iTimer->Cancel();
		delete iTimer;
	}

	delete iImageFactory;
	delete iBgLayer;
	delete iHero;
	delete iCollidLayer;
}

CGameEngine* CGameEngine::NewLC(const TRect& aRect,CCoeControl* aControl)
{
	CGameEngine* self = new (ELeave)CGameEngine(aRect,aControl);
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
}

CGameEngine* CGameEngine::NewL(const TRect& aRect,CCoeControl* aControl)
{
	CGameEngine* self=CGameEngine::NewLC(aRect,aControl);
	CleanupStack::Pop(); // self;
	return self;
}

void CGameEngine::ConstructL()
{
	iImageFactory=CImageFactory::NewL(this);
	iImageFactory->AddImageL(KImageScene,EImageScene);
	iImageFactory->AddImageL(KImageSprite,EImageHero);
	iImageFactory->StartConvertL();
}

void CGameEngine::ConvertCompleted(TInt aCurrent,TInt aCount)
{
	iBLoadImageOK=ETrue;

	HBufC* textResource = StringLoader::LoadLC( R_STR_CONVERT_SUCCESS );
	CAknInformationNote* informationNote = 
		new ( ELeave ) CAknInformationNote;
	informationNote->ExecuteLD( *textResource );
	CleanupStack::PopAndDestroy( textResource );

	//
	CFbsBitmap* bmp;
	CFbsBitmap* bmpMask;

	//构造背景层
	iImageFactory->Image(EImageScene,bmp,bmpMask);
	iBgLayer=CTiledLayer::NewL(bmp,bmpMask,CELL_WIDTH,CELL_HEIGHT);
	iBgLayer->SetRange(rows,cols,0);

	//构造墙层，与背景层用同一张源图片
	iCollidLayer=CTiledLayer::NewL(bmp,bmpMask,CELL_WIDTH,CELL_HEIGHT);
	iCollidLayer->SetRange(rows,cols,0);


	//构造精灵层
	/*iHero = CHero::NewL();
	iImageFactory->Image(EImageHero,bmp,bmpMask);
	iHero->SetSource(bmp,bmpMask,CELL_WIDTH,CELL_HEIGHT);
	iHero->SetPosition(iCarX,iCarY);
	iHero->SetSequence(AniSequence,frameNum,delays);*/

	//填充
	for(int row=0;row<rows;row++) 
	{
		for(int col=0;col<cols;col++) 
		{
			if (cells[row][col] == 0) 
			{
				iBgLayer->SetCell(col,row,GRASS);
			} 
			else 
			{
				iCollidLayer->SetCell(col,row,WALL);
			}
		}
	}

	iTimer=CPeriodic::NewL(CActive::EPriorityStandard);
	iTimer->Start(0,1000000,TCallBack(CallBack,iControl));//立即执行，然后间隔一秒执行

}

void CGameEngine::ConvertFail(TInt aCurrent,TInt aCount,const TDesC& aDes)
{
	HBufC* textResource = StringLoader::LoadLC( R_STR_CONVERT_FAIL );
	CAknInformationNote* informationNote = 
		new ( ELeave ) CAknInformationNote;
	informationNote->ExecuteLD( *textResource );
	CleanupStack::PopAndDestroy( textResource );
}

void CGameEngine::Draw(CWindowGc& aGc) const
{
	if (!iBLoadImageOK)
		return;

	iBgLayer->Draw(aGc);
	iCollidLayer->Draw(aGc);
}

TInt CGameEngine::CallBack( TAny* aAny )
{
	CS0707_MazeAppView* p=
		static_cast<CS0707_MazeAppView*>(aAny);
	p->DrawNow();

	return  KErrNone;
}


}