How to join this two together?

This is a discussion on How to join this two together? within the C Programming forums, part of the General Programming Boards category; I have about 6 players... and calling this function for each player.. Is there a way to joint it together? ...

  1. #1
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    How to join this two together?

    I have about 6 players... and calling this function for each player.. Is there a way to joint it together? So i can just call it depending on the player?

    like dealplayer(1); or dealplayer(2);


    Code:
    void dealplayer1 (){
        player1.count++;
        double R = (double)rand()/(double)RAND_MAX;
        double P;
        player1.card = cards[rand() % 52];
        while (isalpha(player1.card))
            player1.card = cards[rand() % 52];
        cards[player1.card] = 'X';
        if (player1.card >= 11)
            player1.cardnew = 10;
        else
            player1.cardnew = player1.card;
        strcpy(player1a[player1.count], cardnames[player1.card]);
        player1.total += player1.cardnew;
        P = (double)1 - (((double)21 - (double)player1.total)/(double)21);
        if (R >= P)
            player1.play = 0;
        else
            player1.play = 1;
        if (player1.total >= 21)
            player1.play = 1;
    }
    
    
    void dealplayer2 (){
        player2.count++;
        double R = (double)rand()/(double)RAND_MAX;
        double P;
        player2.card = cards[rand() % 52];
        while (isalpha(player2.card))
            player2.card = cards[rand() % 52];
        cards[player2.card] = 'X';
        if (player2.card >= 11)
            player2.cardnew = 10;
        else
            player2.cardnew = player2.card;
        strcpy(player2a[player2.count], cardnames[player2.card]);
        player2.total += player2.cardnew;
        P = (double)1 - (((double)21 - (double)player2.total)/(double)21);
        if (R >= P)
            player2.play = 0;
        else
            player2.play = 1;
        if (player2.total >= 21)
            player2.play = 1;
    }

  2. #2
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    Yes, and you'll want to use an array to hold all of the players instead of having individual players like player1 and player2. See Arrays in C - Cprogramming.com to learn about arrays.

  3. #3
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    so i can have
    Code:
    char PLAYER [4][7] = {"player1", "player2", "player3", "player4"};
    Code:
    void dealplayer (){ int i=0; PLAYER[i].count++; double R = (double)rand()/(double)RAND_MAX; double P; PLAYER[i].card = cards[rand() % 52]; while (isalpha(PLAYER[i].card)) PLAYER[i].card = cards[rand() % 52]; cards[PLAYER[i].card] = 'X'; if (PLAYER[i].card >= 11) PLAYER[i].cardnew = 10; else PLAYER[i].cardnew = PLAYER[i].card; strcpy(PLAYER[i]a[PLAYER[i].count], cardnames[PLAYER[i].card]); PLAYER[i].total += PLAYER[i].cardnew; P = (double)1 - (((double)21 - (double)PLAYER[i].total)/(double)21); if (R >= P) PLAYER[i].play = 0; else PLAYER[i].play = 1; if (PLAYER[i].total >= 21) PLAYER[i].play = 1; }



  4. #4
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    Code:
    char PLAYER [4][7] = {"player1", "player2", "player3", "player4"};
    This array just holds the players' names. If you also wanted to hold data, you'd have to use a different approach. Your code indicates the usage of a structure - do you know how to use these? An array of structures can allow you to hold variables of different data types for each "player."

  5. #5
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    Quote Originally Posted by Matticus View Post
    Code:
    char PLAYER [4][7] = {"player1", "player2", "player3", "player4"};
    This array just holds the players' names. If you also wanted to hold data, you'd have to use a different approach. Your code indicates the usage of a structure - do you know how to use these? An array of structures can allow you to hold variables of different data types for each "player."
    I have a struct that contains values used in the previous function:
    player1.count
    player1.card
    player1.play

    etc

  6. #6
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    Quote Originally Posted by SuperMiguel View Post
    I have a struct that contains values used in the previous function:
    player1.count
    player1.card
    player1.play

    etc
    Then you will want to make an array of struct, something like this:
    Code:
    struct player players[6];

  7. #7
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    Quote Originally Posted by christop View Post
    Then you will want to make an array of struct, something like this:
    Code:
    struct player players[6];
    i have this struct:
    Code:
    struct blackjack
    {
    	int card, cardnew, total, play, result, count, countnew, ace;
    	char playornot;
    } you, dealer, player1, player2, player3, player4;
    thats where all the variables are being held

    so you are saying to do

    Code:
    structblackjack players[6];
    and to access the variables do playernames[i].total ??

  8. #8
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    You don't have to make an array of structs, but it is certainly beneficial and an advisable way to do it.
    Alternatively, you can declare an array of pointers to struct and initialise those pointers to point to your individual struct variables.
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