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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：
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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：1 J( o3 x: ^/ C0 F K2 t; B
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& P' n8 n _/ a6 f2 bFactory的code如下：4 h4 x" i6 q8 A2 C$ @
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, o$ ~9 w' J/ _. M3 G* y* author:hgf_starlovecpp@hotmail.com
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5 H: U4 w: C6 i1 E- v$ ?- c" U6 i* version:1.0. @' ?* ^9 b7 k# ]
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* description: just for fun
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* todo: hard code exists need to fixed
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* |: Q1 L- ?* k0 f. E9 X; F( B b**************************************/ M/ b) j+ t4 g9 ]
" K. b/ c2 q3 ?# o& n#pragma once8 B; r4 N N, ^9 `: a V
#include <map>
$ N+ M# j4 E* a- t9 Q$ G' ?# L#include "Tetris.h"
9 L' X3 A, z1 G/ l7 s" i" Z' K#include "OneTetris.h"
b- [" f- q9 N. e/ [#include "TwoTetris.h", T9 H; \- X$ k& Q. S5 }
#include "ThreeTetris.h"
/ ~3 f" W8 ^) z' W$ n#include "FourTetris.h"
; z7 b% Q P) G#include "FiveTetris.h"& g0 E/ g; H6 I. j7 G: R. I9 ?3 ^
#include "SixTetris.h"
9 A6 P2 p1 t5 ^2 t: E8 y5 i/ h( K9 Q#include "SevenTetris.h"
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( {/ r- g& F/ i- v; u6 Pclass TetrisFactory6 |! M" n6 ]8 i) J9 B
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' H- D) n0 \7 y# ?) f3 Z1 s$ }* F9 rTetrisFactory(void)
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m_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;9 \+ H" N( ~: ?( q& p! s, x& o
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m_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris; q& O) [: W- ]6 A6 v
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m_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;0 ^/ K: }" s( c
* Z7 r) `9 |1 T0 d, |- Pm_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;# r- S3 r9 n/ U" I# n8 W5 Q
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m_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;
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m_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;* j. x3 U) k7 a; @
9 w. h3 H% Q# T8 H3 tm_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;- W8 L/ r' \ k5 a7 R& u% _
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1 K; w# T' j) H0 f' {! E~TetrisFactory(void)/ a2 \3 P1 B }% ~1 h# c
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{
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Tetris* CreateTetris(char sel)
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; T6 `& [$ |/ L% K! m% \/ v* a return (this->*(m_sel2TetrisMap.find(sel)->second))();# a5 y0 _& l9 U) @, I- S
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private:0 E5 {4 |" l" g' m9 G8 e( M
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Tetris* CreateOneTetris() s( z0 @+ H3 _8 W/ }
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2 f7 Z C* e3 R; p3 X9 G static OneTetris tetris;* r U% D" T$ S3 J4 S. D u
4 y2 _/ |( m- g2 W" Utetris.InitPos();
( @) E) F. C6 J& K! L' k k return & tetris;
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Tetris* CreateTwoTetris()
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static TwoTetris tetris;
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tetris.InitPos();
1 }! k) f Q+ m0 c return & tetris;0 O" O1 k9 a6 N
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5 b! t% w9 v W) N6 S/ ETetris* CreateThreeTetris()& {" J, r4 J3 W2 [; e6 }( `3 _
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static ThreeTetris tetris;& F! H! }2 J4 K
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tetris.InitPos();6 a* s" w4 {3 K, Z _; S/ ?
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return & tetris;
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$ X; _2 h8 X% bTetris* CreateFourTetris()
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{
- k( t2 e1 t5 b static FourTetris tetris;
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0 y6 ]. R7 |% `1 h. D/ G( f- Rtetris.InitPos();
+ v1 }% P# U& V- l' t: M return & tetris;
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$ v; \% A" I R2 c6 @Tetris* CreateFiveTetris()+ w" ]* q% \8 V& w& ~
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( b' L, R8 U y+ r# c, p static FiveTetris tetris;! }7 @5 m- X5 w$ L) E9 t" K* U8 X* }
6 L) }# Z3 Y/ [% Itetris.InitPos();: ?6 M7 z/ @& t0 [ f; ]
return & tetris;
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}
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Tetris* CreateSixTetris()) Y. e1 l( V/ w: {9 L( d+ r
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* q/ V5 r* K$ a' b2 Z' m# v static SixTetris tetris;* x) u6 v4 R$ X3 s
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tetris.InitPos();
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# K' _# E- K( ETetris* CreateSevenTetris()
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static SevenTetris tetris;
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/ H1 M3 T% I; S+ I, k/ Z5 Ltetris.InitPos();5 Z9 [( M C [$ \0 V6 x: m- h
return & tetris;
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typedef Tetris*(TetrisFactory::*PMA)();0 y8 t# b/ a7 ?8 ?8 e. |) V' J4 J' w
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std::map<char,PMA> m_sel2TetrisMap;' \# U; ?( m$ y- I4 c- R8 ?: o
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有兴趣的朋友可以下下来改改玩玩。) C. J7 X- e2 }6 i' e6 o
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That’s all!
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Peter
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& d/ w3 V8 N, ^0 M; w" M# r, w[ 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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