tiledlayer.cpp

一个symbian上成熟的小游戏源码

#include "TiledLayer.h"
#include <libc\string.h>

namespace gamespace
{
CTiledLayer::CTiledLayer()
{
	Init();
}

CTiledLayer::~CTiledLayer(void)
{
	delete[] iPSequence;
}

void CTiledLayer::SetRange( TInt aSceneRows,TInt aSceneCols,TInt frameIndex)
{
	iSceneCols=aSceneCols;
	iSceneRows=aSceneRows;

	//考虑保留旧的场景
	delete[] iPSequence;
	iPSequence=new TInt[iSceneCols*iSceneRows];
	memset(iPSequence,0,iSceneCols*iSceneRows);

	if (frameIndex>0)
	{
		FillCells(0,0,iSceneRows-1,iSceneCols-1,frameIndex);
	}
}

void CTiledLayer::SetCell( TInt row,TInt col,TInt frameIndex )
{
	TInt squenceIndex=row*iSceneCols+col;
	iPSequence[squenceIndex]=frameIndex;
}

void CTiledLayer::FillCells( TInt beginrow,TInt begincol,TInt endrow,TInt endcol,TInt frameIndex )
{
	/*
	TInt squenceIndex1=beginrow*iSceneCols+begincol;
	TInt squenceIndex2=endrow*iSceneCols+endcol;

	while (squenceIndex1<=squenceIndex2)
	{
		iPSequence[squenceIndex1]=frameIndex;
		squenceIndex1++;
	}
	*/

	for (TInt r=beginrow;r<=endrow;r++)
	{
		for (TInt c=begincol;c<=endcol;c++)
		{
			SetCell(r,c,frameIndex);
		}
	}
}

void CTiledLayer::Draw(CBitmapContext& aGc)
{
	TInt oldX=iX;
	TInt oldY=iY;

	for (TInt r=0;r<iSceneRows;r++)
	{
		for (TInt c=0;c<iSceneCols;c++)
		{
			TInt sequenceIndex=r*iSceneCols + c;
			CLayer::Draw(iPSequence[sequenceIndex]-1,aGc);
			iX += iCellWidth;//改变当前cell的坐标
		}

		iY += iCellHeight;//改变当前cell的坐标
		iX  = oldX;//改变当前cell的坐标
	}

	iX=oldX;//还原当前cell的坐标为场景左顶点坐标
	iY=oldY;
}

void CTiledLayer::SetScence( TInt* aPSequence,TInt aSceneRows,TInt aSceneCols )
{
	delete[] iPSequence;
	iPSequence=new TInt[aSceneCols*aSceneRows];
	memcpy(iPSequence,aPSequence,aSceneCols*aSceneRows*sizeof(TInt));
	iSceneCols=aSceneCols;
	iSceneRows=aSceneRows;
}

void CTiledLayer::Init()
{
	iSceneCols=0;
	iSceneRows=0;

	iPSequence=new TInt[iSceneCols*iSceneRows];

	//Sets buffers to a specified character.
	memset(iPSequence,0,iSceneCols*iSceneRows);
}

TInt CTiledLayer::Cell( TInt aRow,TInt aCol )
{
	TInt squenceIndex=aRow*iSceneCols+aCol;
	return iPSequence[squenceIndex];
}

CTiledLayer* CTiledLayer::NewL( CFbsBitmap* aBmp,CFbsBitmap* aBmpMask,int aCellWidth/*=0*/,int aCellHeight/*=0*/ )
{
	CTiledLayer* self=CTiledLayer::NewLC(aBmp,aBmpMask,aCellWidth,aCellHeight);
	CleanupStack::Pop();
	return self;
}

CTiledLayer* CTiledLayer::NewLC( CFbsBitmap* aBmp,CFbsBitmap* aBmpMask,int aCellWidth/*=0*/,int aCellHeight/*=0*/ )
{
	CTiledLayer* self=new(ELeave)CTiledLayer;
	CleanupStack::PushL(self);
	self->ConstructL(aBmp,aBmpMask,aCellWidth,aCellHeight);
	return self;
}

void CTiledLayer::ConstructL( CFbsBitmap* aBmp,CFbsBitmap* aBmpMask,int aCellWidth,int aCellHeight )
{
	//设置父类
	CLayer::SetSource(aBmp,aBmpMask,aCellWidth,aCellHeight);
}

TInt CTiledLayer::SceneRows()
{
	return iSceneRows;
}

TInt CTiledLayer::SceneCols()
{
	return iSceneCols;
}

}