13. marts 2002 - 15:39
Der er
2 kommentarer og 1 løsning
Rnd og Randomize
Jeg er ved at forsøge at kopiere Freecell (Napoleon) kabalen der følger med Windows. Det gøres ved brug af Cards.dll og tilhørende API-kald. Ingen problemer med gameplay m.m. Mit problem er, at jeg gerne vil lave de samme spil, som i originalen. (-i win98 er der 32.000, og i XP er der 1.000.000). Det gøres ved at generere 52 psudorandom tal, Hvor seed-værdien (bruges med Randomize) er spillets nummer. Men jeg kan IKKE få de samme talkombinationer! Det kan muligvis skyldes at Rnd og Randomize kompileres anderledes end Rand() og sRand(), som er de tilsvarende C++ funktioner,der anvendes i originalen. Talgeneratoren er offentlig. -Jeg poster den i en kommentar efter dette spm. Jeg har oversat koden således, men det virker som sagt ikke: Function GivKort(ByVal GameNr As Integer) As Long Dim Bunke1(51) As Integer, i As Long, Rest As Integer Dim Bunke2(51) As Integer For i = 0 To 51 Bunke2(i) = i Next i Rnd (-1) Randomize GameNr Rest = 52 For i = 0 To 51 j = (Int(32768 * Rnd)) Mod Rest Bunke1(i) = Bunke2(j) Rest = Rest - 1 Bunke2(j) = Bunke2(Rest) Next i End Function Jeg sætter de 52 kort ind i Bunke1() i stedet for et array, som i originalen, men det er jo kun en kosmetisk forskel. Med seedværdi (GameNr) 1, skal denne talrække genereres (i denne rækkefølge): 41, 5, 34, 40, 17, 26, 24, 18, 49, 48, 35, 19, 1, 44, 50, 10, 7, 51, 33, 45, 43, 3, 2, 8, 12, 16, 39, 46, 14, 0, 13, 27, 11, 37, 15, 38, 30, 4, 42, 25, 21, 31, 29, 47, 20, 9, 28, 36, 23, 32, 6, 22 -Håber der er en der har en ide.
Annonceindlæg fra Pax8
13. marts 2002 - 15:39
#1
Her er den oprindelige C++ kode: From: jimh@exmsft.com (Jim Horne) I'm happy to share the card shuffle algorithm, but I warn you, it does depend on the rand() and srand() function built into MS compilers. The good news is that I believe these work the same for all our compilers. I use cards.dll which has it's own mapping of numbers (0-51) to cards. The following will give you the idea. Play around with this and you'll be able to generate all the games. Go ahead and post the code. People might as well have fun with it. Please keep me posted on anything interesting that comes of it. Thanks. _______________________________________________________________ #define BLACK 0 // COLOUR(card) #define RED 1 #define ACE 0 // VALUE(card) #define DEUCE 1 #define CLUB 0 // SUIT(card) #define DIAMOND 1 #define HEART 2 #define SPADE 3 #define SUIT(card) ((card) % 4) #define VALUE(card) ((card) / 4) #define COLOUR(card) (SUIT(card) == DIAMOND || SUIT(card) == HEART) #define MAXPOS 21 #define MAXCOL 9 // includes top row as column 0 CARD card[MAXCOL][MAXPOS]; // current layout of cards, CARDs are ints int i, j; // generic counters int col, pos; int wLeft = 52; // cards left to be chosen in shuffle CARD deck[52]; // deck of 52 unique cards for (col = 0; col < MAXCOL; col++) // clear the deck for (pos = 0; pos < MAXPOS; pos++) card[col][pos] = EMPTY; /* shuffle cards */ for (i = 0; i < 52; i++) // put unique card in each deck loc. deck[i] = i; srand(gamenumber); // gamenumber is seed for rand() for (i = 0; i < 52; i++) { j = rand() % wLeft; card[(i%8)+1][i/8] = deck[j]; deck[j] = deck[--wLeft]; }