Softwareentwicklung in C++ - ASC

556 B. Vollständige Implementation des Memory Spiels
B.1.11 Implementation von MemoryCardpair
1 // memory cardpair . cpp − implementation o f MemoryCardpair
2
3 #include < c s t r i n g>
4
5 #include ”memory cardpair . h”
6
7 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
8 void MemoryCardpair : : turnCardOneFrontSideUp (
9 uint32 row , uint32 c o l , MemoryGameboard &gameboard )
10 {
11 card1 row = row ;
12 c a r d 1 c o l = c o l ;
13 c a r d s e t s t a t u s |= CARD ONE SET;
14 MemoryGameCard ∗ card = gameboard . getCard ( row , c o l ) ;
15 i f ( ! card )
16 return ;
17 i f ( card−>g e t V i s i b l e S i d e () == MemoryGameCard : : FRONT SIDE)
18 return ;
19 gameboard . putCardFrontSideUp ( row , c o l ) ;
20 c a r d s e t s t a t u s |= CARD ONE TURNED;
21 }
22
23 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
24 void MemoryCardpair : : turnCardTwoFrontSideUp (
25 uint32 row , uint32 c o l , MemoryGameboard &gameboard )
26 {
27 card2 row = row ;
28 c a r d 2 c o l = c o l ;
29 c a r d s e t s t a t u s |= CARD TWO SET;
30 MemoryGameCard ∗ card = gameboard . getCard ( row , c o l ) ;
31 i f ( ! card )
32 return ;
33 i f ( card−>g e t V i s i b l e S i d e () == MemoryGameCard : : FRONT SIDE)
34 return ;
35 gameboard . putCardFrontSideUp ( row , c o l ) ;
36 c a r d s e t s t a t u s |= CARD TWO TURNED;
37 }
38
39 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
40 bool MemoryCardpair : : cardSymbolsMatching (
41 MemoryGameboard &gameboard )
42 {
43 i f ( ( c a r d s e t s t a t u s & CARD SET BITS) ! = CARD SET BITS)
44 return ( false ) ; // not both cards were s e l e c t e d
45 MemoryGameCard ∗ card1 = ( c a r d s e t s t a t u s & CARD ONE SET) ?
46 gameboard . getCard ( card1 row ,
47 c a r d 1 c o l ) : 0 ;
48 MemoryGameCard ∗ card2 = ( c a r d s e t s t a t u s & CARD TWO SET) ?
49 gameboard . getCard ( card2 row ,
50 c a r d 2 c o l ) : 0 ;
51 i f ( ( ! card1 ) | | ( ! card2 ) )
52 return ( false ) ; // at l e a s t one o f the cards does not e x i s t
53 return ( ! strcmp ( card1−>getFrontSymbol ( ) , card2−>getFrontSymbol ( ) ) ) ;
54 }
55
56 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
57 void MemoryCardpair : : turnCardsBackToTheirOriginalState (
58 MemoryGameboard &gameboard )
59 {
60 i f ( c a r d s e t s t a t u s & CARD ONE TURNED)
61 gameboard . putCardBackSideUp ( card1 row , c a r d 1 c o l ) ;
62 i f ( c a r d s e t s t a t u s & CARD TWO TURNED)
63 gameboard . putCardBackSideUp ( card2 row , c a r d 2 c o l ) ;