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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：& H! X3 p' ^* l0 ^7 o# ]
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Factory的code如下：
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/*************************************
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* author:hgf_starlovecpp@hotmail.com+ c' o3 `0 p) }0 L' v" y. u( n( Q3 s
L* |! g8 x% d2 D0 {# _( E. t* version:1.0* H# W# f+ W0 P9 v4 O8 {
" B6 T$ l/ }" F A* description: just for fun
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* todo: hard code exists need to fixed
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**************************************/
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#pragma once
; b. C* X# x- v- {0 m#include <map>
: j" q/ K+ w% |5 z& T4 N; `#include "Tetris.h"5 a' `+ J5 i# s
#include "OneTetris.h"! r& M2 p$ W8 m; I
#include "TwoTetris.h"0 O: C. B, A Z8 U X5 I
#include "ThreeTetris.h"
8 [& R ~! Z6 k" `#include "FourTetris.h"
. ]7 w4 \4 k, ~$ E- t# T' E7 e#include "FiveTetris.h"
. F* i" k' T! C5 _, L$ A+ s0 F#include "SixTetris.h"4 D2 d4 a9 A/ ^) G( m
#include "SevenTetris.h"7 M, f$ M6 `7 i! Y% U4 g c
u' @1 p, m. X- Nclass TetrisFactory
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TetrisFactory(void). f7 N5 D. v4 U% p
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{
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7 R' u" }" |- P. {: K2 h' [m_sel2TetrisMap[0] = &TetrisFactory::CreateOneTetris;
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! _( c% q, v# H" \) Vm_sel2TetrisMap[1] = &TetrisFactory::CreateTwoTetris;
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m_sel2TetrisMap[2] = &TetrisFactory::CreateThreeTetris;
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m_sel2TetrisMap[3] = &TetrisFactory::CreateFourTetris;
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m_sel2TetrisMap[4] = &TetrisFactory::CreateFiveTetris;% s: ^% K, o r2 B4 t, k' Q
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m_sel2TetrisMap[5] = &TetrisFactory::CreateSixTetris;1 v6 A% L8 \$ o
$ \3 M) d* X0 rm_sel2TetrisMap[6] = &TetrisFactory::CreateSevenTetris;
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public:! c5 z# |; X& d
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~TetrisFactory(void)8 y {3 F" P8 L6 b
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. [, M, m. V0 @; nTetris* CreateTetris(char sel)( a. e( g. P7 M6 Y3 H
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return (this->*(m_sel2TetrisMap.find(sel)->second))();
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8 s5 r* J6 P% h2 E7 D: NTetris* CreateOneTetris()
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{
3 R+ `& C! P! C S' p static OneTetris tetris;: r/ W" D8 }/ }. Z7 B! ?8 w
! b9 f# x) y" \- L* r5 Q& A) [( G/ ?tetris.InitPos();
/ _* N. s3 t" O: s! { return & tetris;: ~. ]" L t* V4 j
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}
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" a. M$ n5 K" C2 c1 |Tetris* CreateTwoTetris()- B! D% j7 E2 I5 A
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{
# ~( a' M5 z9 N% m: c static TwoTetris tetris;
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5 \, C: R e J- `+ |1 J; X; {tetris.InitPos();
7 E+ y8 ~. L2 a% U' D, m$ \ i return & tetris;9 [ K3 e# `! j9 Z1 ~
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Tetris* CreateThreeTetris()
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/ g) }# A* U/ `: m# u static ThreeTetris tetris;* w& Y" r2 j2 S/ d
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tetris.InitPos();6 t! q! v2 `. K; m" C
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2 [1 Q" i: ?7 f& rreturn & tetris;0 C7 J! M2 j( @0 W" c/ e, l
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j" Q+ m5 A% eTetris* CreateFourTetris()' q. P, y2 k" a s8 q5 _0 Q* O
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static FourTetris tetris;7 G4 Y0 d% ]/ h& ~" k: W5 p
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tetris.InitPos();7 ?9 k" U- u/ e+ h# d0 N* p' V9 T
return & tetris;
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Tetris* CreateFiveTetris()6 F% A* a8 z, n, V1 {/ l
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{
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tetris.InitPos();* R6 O& e7 s. r' i
return & tetris;' T7 A/ X4 X+ [
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Tetris* CreateSixTetris()
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{
9 i* {2 A% ~" ^+ ^! }+ O static SixTetris tetris;% ^8 p' F$ t+ Z9 L0 R
6 i+ ?) W( I7 k8 c" P8 j/ W* Y+ @& ttetris.InitPos();0 S ]: L u; _" Q
return & tetris;
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/ N& c& K7 u7 g; RTetris* CreateSevenTetris()1 D/ R6 q, m! n( j
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{
7 |1 O. a( M! H" A | static SevenTetris tetris;" B2 ]1 O {! i7 A# m
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tetris.InitPos();
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private:
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typedef Tetris*(TetrisFactory::*PMA)();& E% ^2 Y3 M$ ?# A; b
) O: E8 G6 S7 o) v' I; T! f2 Ustd::map<char,PMA> m_sel2TetrisMap;
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};
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" o7 |9 ]) i( S' l3 k. P" |5 G5 u* _有兴趣的朋友可以下下来改改玩玩。& l3 H8 `1 Z5 z4 @
0 z. B$ S* z- w# j, dThat’s all!5 @( i5 O a+ F( |: ?
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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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