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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
8 a0 ]- [* p f6 k& N; p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：
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Factory的code如下：+ z3 w: W5 R2 t: |5 p
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* author:hgf_starlovecpp@hotmail.com
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* version:1.00 p5 M& c1 X; l! k- }+ G$ r
6 z9 ]6 {* I/ ]7 ~2 I6 P* description: just for fun* ~5 H- ^0 ^7 G/ \6 h
# q; a9 a" ~- R8 o t* s# V* todo: hard code exists need to fixed6 R2 ~$ F! p' s- F: l/ l
7 K6 B# J1 G' s3 N, r**************************************/
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#pragma once4 b7 t3 Q: _: s( s2 d
#include <map>
# c0 ~5 \# Q/ L4 v$ p#include "Tetris.h"# s1 t+ Q/ \3 t/ ] g
#include "OneTetris.h"
! W, @+ O& Z: Z1 N0 j#include "TwoTetris.h"" k4 d: Z+ q# b+ b
#include "ThreeTetris.h"
& m- k+ w" B5 r6 P I#include "FourTetris.h"5 H) F; t1 T$ f0 t6 ~9 o2 J
#include "FiveTetris.h"0 N: s \" W! A) S% t0 f0 o/ x
#include "SixTetris.h"
& i8 f2 ]( Y1 `4 `, X' M# z#include "SevenTetris.h"
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0 j" O2 \" T9 Q9 V) ~" Zclass TetrisFactory, j3 E' x, Q9 Z; p* a1 {
{
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( m! J) J" f OTetrisFactory(void)) Y8 L1 u2 N% R
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m_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;
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% r6 `; D/ \3 Z9 @9 {m_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris;
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) U) u4 v1 I! {1 `% Qm_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;
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+ d1 M l' q$ V$ {m_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;" T: M* U t% R4 t
% H( F& W8 o4 |* h. O$ ?2 Ym_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;4 u- U- y. R2 h! Q
- h/ @" m# w7 a* ]) Xm_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;
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m_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;4 P) R* I3 d" P" [3 X
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}
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~TetrisFactory(void)" C( A8 B( f& _# h8 V' J; n
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}
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Tetris* CreateTetris(char sel)
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{
8 y& J1 ~# \& |7 F- j2 v" s return (this->*(m_sel2TetrisMap.find(sel)->second))();
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3 G$ i2 E" |: m- LTetris* CreateOneTetris()2 v T9 a1 \/ ^" b2 V) D0 V
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static OneTetris tetris;& f' b# U% g4 a D" u
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tetris.InitPos();
* e% Y: U! a n' d- | return & tetris;! ?" S; l$ [. l7 S
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Tetris* CreateTwoTetris()8 w+ K E, K4 q; f" Y1 P/ s
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1 U: q! ~" e7 W% _% {& c static TwoTetris tetris;: ~" w4 |- {. ~' Z* ^
( Z8 Y1 W8 Z/ c; N# U& Utetris.InitPos();
y8 l+ c; I# D! s* L return & tetris;/ {& t& N% F% u. {8 a
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Tetris* CreateThreeTetris()
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{
5 W! I+ Z9 ~. S6 z1 i% [ static ThreeTetris tetris;& \, P* X5 z: H8 U
, l& Z, d, T5 e2 i* [, Ntetris.InitPos();
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return & tetris;" o+ u, T$ E" |( {! Y2 @6 i% O
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Tetris* CreateFourTetris()' X3 b' x; Q) T% i
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& v4 u i1 b' m) L/ @ static FourTetris tetris;
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tetris.InitPos();
# `% w% Y8 O- Y, | d% ]4 x2 Z# J return & tetris;
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Tetris* CreateFiveTetris()
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; w6 v- V% k6 }$ Z static FiveTetris tetris;" A T$ n! w- r4 w
# ?9 v* d: W* ltetris.InitPos();* n B& Z. v4 f3 _ O
return & tetris;
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5 T5 h+ f! b$ G" qTetris* CreateSixTetris()% C2 u8 L1 D% W" x5 m
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static SixTetris tetris; c8 ^+ P. F! ^6 G+ j
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tetris.InitPos();
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5 _: n. L8 O# O' o6 g. r" UTetris* CreateSevenTetris()
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static SevenTetris tetris;
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tetris.InitPos();
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, S7 ~- V; q2 x3 E W+ @ typedef Tetris*(TetrisFactory::*PMA)();
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std::map<char,PMA> m_sel2TetrisMap; n4 M& S$ K8 ?* ], W8 R
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};
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有兴趣的朋友可以下下来改改玩玩。1 n: t* A: n; f& i) m! d% g( {
, l( i' i9 M* }' MThat’s all!
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, Q# O! j$ t) D( U% }9 i+ |Peter
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[ 本帖最后由 peterhu 于 2009-5-20 09:51 编辑 ] |
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发表于 2009-5-11 14:01:46
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