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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
5 [# N8 d9 x' b' f. h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：3 D+ O p: P) t; X4 ]# u$ a
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Factory的code如下：: A# B6 r3 n G% V: F( M) X
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! P, \. _' T! x' I- G- S* author:hgf_starlovecpp@hotmail.com# }' x8 \. G5 v* B: T% C7 I" L
& _ p4 S+ |6 f6 y' K* version:1.0
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2 A2 u; [' A) x2 {# o* description: just for fun
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) u |4 O1 f: z4 f, B* todo: hard code exists need to fixed
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+ q+ e/ X& c5 `#pragma once
/ g) b# F! J) }! X- _) X' r2 o#include <map>3 a2 n- J( Z- |/ i
#include "Tetris.h"* X: N+ s1 b$ h! ~% v" R
#include "OneTetris.h"4 i% Q& N3 @% P+ X* w! s; A! S9 i
#include "TwoTetris.h"4 f4 _$ A) a) t1 k. W
#include "ThreeTetris.h"
* f5 `! y0 K1 D#include "FourTetris.h"
4 u6 V$ v& R3 H8 Z6 I#include "FiveTetris.h"
" J" T( L+ h+ R/ j5 F) {#include "SixTetris.h"& g" S1 p6 j: W3 U9 | B% p
#include "SevenTetris.h"4 T% k7 {* ^) n7 G% i7 V' U
$ S& B4 {; c2 |" z, Tclass TetrisFactory" m; T6 J* w. B
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public:
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" W- Z$ f A$ g2 i: ], o9 uTetrisFactory(void)( |$ k5 p2 t: u. h$ b" K: n/ T
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$ K, `5 f0 V, u, k# r: j+ f5 H! i. sm_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;
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m_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris;0 }- j, i! W A9 s1 ]+ Z
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m_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;
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m_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;8 v% n; P! U3 L7 F
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m_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;
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m_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;' h/ ?. \7 Z4 x; q: B2 s; P
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m_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;
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public:- a' U( O6 v$ ~5 ?
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~TetrisFactory(void)
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}
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9 W( ]+ J) l5 VTetris* CreateTetris(char sel)
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{
) X% H6 Y; v" H2 x' t return (this->*(m_sel2TetrisMap.find(sel)->second))();; i, b! h8 N* t$ ~' [
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private:
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: |0 a; S9 P+ W5 c3 a$ x+ W) ^" PTetris* CreateOneTetris()
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4 ?! Q: T( ]! _( A1 ~/ ^ static OneTetris tetris;
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$ ^" Q1 Y/ P8 ctetris.InitPos();
J: \6 i( `5 D7 e$ r F return & tetris;8 J. g2 H- C J8 p
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6 R' w A1 F+ ?5 m2 \3 w( fTetris* CreateTwoTetris()
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static TwoTetris tetris;0 v ~2 K) R8 I1 J$ ^. l8 i$ a
* ~! F; d8 _( Qtetris.InitPos();
, w* k3 q/ o$ k- P' C return & tetris;3 r1 C% z& v, @
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( \- g/ j! C% Y* W. F, [Tetris* CreateThreeTetris()9 p/ a2 g4 `+ G
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) t& m4 z- e/ {% B static ThreeTetris tetris;
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8 h8 e! ?* K4 l) h" P5 @tetris.InitPos();
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return & tetris;
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2 R8 ]& y; a4 Q( T. z' ITetris* CreateFourTetris()" R" D% }2 v1 E& k8 g: j" {4 T
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{
: F1 ~7 H+ @( P, H static FourTetris tetris;3 w' j, `- Z# A j
# E$ V' |/ Y5 U% f6 T L; Wtetris.InitPos();/ \7 x$ p E; @0 H1 B
return & tetris;" {* f* W5 e8 X6 y \# \
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6 C2 G' R4 K% c3 dTetris* CreateFiveTetris()
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2 ^& {/ A+ e# A4 j static FiveTetris tetris;
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+ g4 f" e M! u, Qtetris.InitPos();. l+ |! i: c4 `# f8 q
return & tetris;) K/ b! }0 J8 O! J2 u' K, K; V
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Tetris* CreateSixTetris()
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5 i6 t2 O, j; W3 K5 N! k! l" I static SixTetris tetris;4 c6 P7 K& d+ s' E
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tetris.InitPos();
0 g r3 y: n, B6 p return & tetris;( o. ]% A" J( N7 }
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Tetris* CreateSevenTetris()
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static SevenTetris tetris;
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tetris.InitPos();$ k0 [- }1 [& B3 a- R
return & tetris;
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typedef Tetris*(TetrisFactory::*PMA)();: F* w" Q. i9 b2 d& L
0 R4 L( d1 w6 T& {2 T8 a; pstd::map<char,PMA> m_sel2TetrisMap;+ J/ e; [, \* B" F1 {9 q
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B" O1 K' F, z2 i};
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5 G" O9 |; S. p& J9 w有兴趣的朋友可以下下来改改玩玩。
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0 P) q. U9 J+ G1 `# ZThat’s all!
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Peter 6 C0 I0 e3 d1 W0 t2 O; A% H( d
" e; t! d: X2 ^% r[ 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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