ctilemap.cpp

Symbian OS S60平台2D游戏引擎案例

   /*
============================================================================
    * Name : CTileMap.cpp
    * Part of : 2DExample
    * Description : Implementation of CTileMap
    * Copyright (c) 2007 Nokia Corporation
============================================================================
    */

// INCLUDE FILES
#include "CTileMap.h"
#include "CChrMonster.h"
#include "CSprite.h"

const TInt KEmptyTile = 1;



CTileMap* CTileMap::NewL( CBitmap* aBitmap, TSize aSize, const TUint8* aMap, MSystem* aSystem )
	{
	CTileMap* self = new( ELeave )CTileMap( aBitmap, aSize, aMap,/* aGlobal, */ aSystem );
	CleanupStack::PushL( self );
	self->ConstructL();
	CleanupStack::Pop( self );
	return self;
	}



CTileMap::~CTileMap()
	{
	}



CTileMap::CTileMap( CBitmap* aBitmap, TSize aSize, const TUint8* aMap, MSystem* aSystem )
	: iBitmap( aBitmap )
	, iSize( aSize )
	, iSystem( aSystem )
	{
	iMap[ 0 ] = aMap;
	iMap[ 1 ] = iMap[ 0 ] + iSize.iWidth * iSize.iHeight;
	iMap[ 2 ] = iMap[ 1 ] + iSize.iWidth * iSize.iHeight;
	}



void CTileMap::ConstructL()
	{
	}



void CTileMap::Draw( CBitmap& aTarget, const TPoint& aCamera )
	{
	TInt x,y;
	TInt i;

	for( i=1; i>=0; i-- )
		{

		for( y = 0; y<22;y++ )
			{
			for( x = 0; x<255; x++ )
				{
				TInt tile = iMap[ i ][ x + y * iSize.iWidth ];

				if( tile == 1 ) continue;
				
				iBitmap->SetDrawRect( TRect( 0+(tile*8),0, 8+(tile*8), 8 ) );
				iBitmap->Draw( aTarget, TPoint( x*8, y*8 ) - aCamera );
				}
			}
		}

	}



TInt CTileMap::Tile( const TPoint& aPixel, TInt aLayer )
	{
	TInt x = aPixel.iX / 8;
	TInt y = aPixel.iY / 8;
	if( x>=0 && y>=0 && x<iSize.iWidth && y<iSize.iHeight )
		{
		return iMap[ aLayer ][ x + y * iSize.iWidth ];
		}

	return KEmptyTile;
	}

// End of file