俄罗斯方块

peterhu · 发表于 2009-5-11 14:01:46

TETRIS

大概一年半以前闲着无聊，于是就写了一个俄罗斯方块自娱自乐，程序运行如下图1所示：

图 1
完整的source code可以在附件下载。该程序使用WTL实现的，代码本身非常简单，无非是一些碰撞，变形等情况的判断调整。比较有意思的是程序使用了Factory Method用于创建方块，控制方块的变形。创建方块部分的设计类图如下所示：

Factory的code如下：

/*************************************

* author:hgf_starlovecpp@hotmail.com

* version:1.0

* description: just for fun

* todo: hard code exists need to fixed

**************************************/

#pragma once
#include <map>
#include "Tetris.h"
#include "OneTetris.h"
#include "TwoTetris.h"
#include "ThreeTetris.h"
#include "FourTetris.h"
#include "FiveTetris.h"
#include "SixTetris.h"
#include "SevenTetris.h"

class TetrisFactory
{
public:

TetrisFactory(void)

{

m_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;

m_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris;

m_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;

m_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;

m_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;

m_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;

m_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;

}
public:

~TetrisFactory(void)

{

}

Tetris* CreateTetris(char sel)

{
                     return (this->*(m_sel2TetrisMap.find(sel)->second))();

}
private:

Tetris* CreateOneTetris()

{
                     static OneTetris tetris;

tetris.InitPos();
                     return & tetris;

}

Tetris* CreateTwoTetris()

{
                     static TwoTetris tetris;

tetris.InitPos();
                     return & tetris;

}

Tetris* CreateThreeTetris()

{
                     static ThreeTetris tetris;

tetris.InitPos();

return & tetris;

}

Tetris* CreateFourTetris()

{
                     static FourTetris tetris;

tetris.InitPos();
                     return & tetris;

}

Tetris* CreateFiveTetris()

{
                     static FiveTetris tetris;

tetris.InitPos();
                     return & tetris;

}

Tetris* CreateSixTetris()

{
                     static SixTetris tetris;

tetris.InitPos();
                     return & tetris;

}

Tetris* CreateSevenTetris()

{
                     static SevenTetris tetris;

tetris.InitPos();
                     return & tetris;

}

private:

         typedef Tetris*(TetrisFactory::*PMA)();

std::map<char,PMA> m_sel2TetrisMap;

};

有兴趣的朋友可以下下来改改玩玩。

That’s all!

Peter

[ 本帖最后由 peterhu 于 2009-5-20 09:51 编辑 ]

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俄罗斯方块

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