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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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- i( B) K* ^+ @) U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：7 L3 _1 r* i+ l1 _0 X
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# l; Q: l; N0 E3 N# c4 l6 AFactory的code如下：$ v" C* g! h3 Z- c# {+ |. F' x3 y
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8 k' n, @# P4 |2 Q' x* author:hgf_starlovecpp@hotmail.com5 z$ Q) [/ G4 n$ j; w5 g
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* version:1.0
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1 n! q* D4 ~% T- n* description: just for fun
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2 v; u# F4 X5 U/ C6 \* todo: hard code exists need to fixed
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$ d* _1 P# {; o+ E**************************************/
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#pragma once
6 R/ s3 C* t. E; ]( \; Q; _#include <map>8 y4 S0 \( q! I" _& S( y
#include "Tetris.h"
( x8 X/ \; Q) [: z) u B#include "OneTetris.h"
- Q; N/ f3 V2 s3 r z#include "TwoTetris.h"2 `5 \- Z/ E- G& C6 a( P6 @
#include "ThreeTetris.h"
4 D7 C, o) d: `! S9 V. U# O#include "FourTetris.h"$ s) n/ X/ _& B; J: g
#include "FiveTetris.h"
( t+ }3 a( C7 r! E6 \- m#include "SixTetris.h"
9 ^! A) q3 t3 p#include "SevenTetris.h"5 t+ S& b+ V1 A* T4 K g6 K. k
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class TetrisFactory
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public:
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TetrisFactory(void)
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m_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;
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$ U7 ?3 o4 n7 n k2 i% a; Lm_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris;
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2 r( M: U b1 J: N7 O0 Cm_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;
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/ M& B) l& i+ wm_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;
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m_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;" `5 S0 l+ H$ W# J
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m_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;
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% _9 S* p5 x: _1 w# ~m_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;
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public:
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( B6 `7 ^( k+ R9 q~TetrisFactory(void)
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Tetris* CreateTetris(char sel)5 p. j8 @* V: p0 c7 {
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: [* J1 M* J9 v return (this->*(m_sel2TetrisMap.find(sel)->second))();7 e) |; Y) @) {( Q( Z- J
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Tetris* CreateOneTetris()
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2 P3 v* \& W5 _3 ] static OneTetris tetris;' P/ m8 \2 v6 Y7 {1 h% k
3 n# B* {( Z- |5 C1 _8 Btetris.InitPos();9 I8 q7 s1 r. j, b* _1 z
return & tetris;
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Tetris* CreateTwoTetris()
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{
. _6 ?) e& W$ ~! _, m static TwoTetris tetris;% ?0 F: m- q& C" k Y/ B; x
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tetris.InitPos();3 `& O- `9 G. _4 ~
return & tetris;. y8 [* @, a4 L1 ^ T
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Tetris* CreateThreeTetris()
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static ThreeTetris tetris;# e+ v$ h* D+ N' E% ?1 W; z. \
8 d3 {+ k$ m4 [) j7 Ltetris.InitPos();
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7 i" _; u' q5 Z8 ]+ F6 _+ ureturn & tetris;0 b/ ~2 ?3 l7 K0 ~# y) W$ G
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}
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Tetris* CreateFourTetris()
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( z( `, |1 n4 ~7 j7 I, D7 H static FourTetris tetris;
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tetris.InitPos();
6 J U. [1 l: H# ]8 F w return & tetris;
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}
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Tetris* CreateFiveTetris()0 c2 k8 K6 o9 b5 m
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static FiveTetris tetris;
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tetris.InitPos();) _+ J/ x# [$ C
return & tetris; K" d. X/ s# E* G7 K% `0 e6 u/ t
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}
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+ T# g# b( R( y! P8 P3 CTetris* CreateSixTetris()
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static SixTetris tetris;
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5 p. P- v6 B* M# u7 stetris.InitPos();
0 U( z: w, A( r. R; r* m. t return & tetris;
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: h+ g. L5 Z9 Y) O4 K t ZTetris* CreateSevenTetris()
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static SevenTetris tetris;
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tetris.InitPos();
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typedef Tetris*(TetrisFactory::*PMA)();
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, e' ]& Q+ l! u0 g9 |* istd::map<char,PMA> m_sel2TetrisMap;
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有兴趣的朋友可以下下来改改玩玩。
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, N Z! N* C* }3 q+ H8 l/ O5 LThat’s all!
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) P- u# x) M; N' |5 O* l/ u( n6 xPeter
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. T8 N% o; H9 }, S/ k* X4 D2 f[ 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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