ConnectFour.localhost.c

#include <stdio.h>

#define COLS 7
#define ROWS 6

int win = 0;

/*************************************************/
/*          Tomb feltoltese, kiiratasa           */
/*************************************************/
void feltolt(char feltolt[COLS][ROWS]){
    int i, j;
    for(i = 0; i < ROWS; i++){
        for(j = 0; j < COLS; j++){
            feltolt[j][i] = '-';
        }
    }
}
void kiir(char kiirat[COLS][ROWS]){
    int i, j;
    printf("\n\n");
    printf("1 2 3 4 5 6 7\n");
    printf("*************\n");

    for(i = 0; i < ROWS; i++){
        for(j = 0; j < COLS; j++)
            printf("%c ", kiirat[j][i]);
        printf("\n");
        }
    printf("*************\n");
    printf("*************\n");
}

/*************************************************/
/*              Player1 valasztasa               */
/*************************************************/
int bele1(char tomb[COLS][ROWS]){
    char string[255];

    int i, place, bad = 0;
    printf("\nP1: Chose a column: ");

    do{
        if(bad == 0){
            scanf("%s", &string);
            if(!strcmp(string, "feladom")){
                return -1;
            }
            place = atoi(string);
            bad++;
        }
        else{
            printf("\nInvalid move: Chose another column (1-7)");
            scanf("%s", &string);
            place = atoi(string);
        }
        bad++;
    }while(checkifplacable(tomb, place) != 1);

    for(i = ROWS-1; i >= 0; i--){                                       //Placement
        if(tomb[place-1][i] == '-'){
            tomb[place-1][i] = 'X';
            checkforwin1(tomb);
            break;
        }
    }

    kiir(tomb);
    return 1;
}

/*************************************************/
/*              Player2 valasztasa               */
/*************************************************/
int bele2(char tomb[COLS][ROWS]){
    char string[255];

    int i, place, bad = 0;
    printf("\nP2: Chose a column: ");

    do{
        if(bad == 0){
            scanf("%s", &string);
            if(!strcmp(string, "feladom")){
                return -1;
            }
            place = atoi(string);
            bad++;
        }
        else{
            printf("\nInvalid move: Chose another column (1-7)");
            scanf("%d", &place);
        }
        bad++;
    }while(checkifplacable(tomb, place) != 1);

    for(i = ROWS-1; i >= 0; i--){                                       //Placement
        if(tomb[place-1][i] == '-'){
            tomb[place-1][i] = 'O';
            checkforwin2(tomb);
            break;
        }
    }

    kiir(tomb);
    return 1;
}

/*************************************************/
/*                    Checks                     */
/*************************************************/
int checkifplacable(char tomb[COLS][ROWS], int place){
    if(place < 1 || place > 7 || tomb[place-1][0] != '-')   return -1;
    else return 1;
}
int checkforwin1(char tomb[COLS][ROWS]){
    int i, j, oszlopban = 0;

    for(i = 0; i < COLS; i++){              // OSZLOPBAN
        for(j = 0; j < ROWS-3; j++){
            if(tomb[i][j] == 'X' && tomb[i][j+1] == 'X' && tomb[i][j+2] == 'X' && tomb[i][j+3] == 'X')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // SORBAN
        for(j=0; j<ROWS; j++){
            if(tomb[i][j] == 'X' && tomb[i+1][j] == 'X' && tomb[i+2][j] == 'X' && tomb[i+3][j] == 'X')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // ATLOBAN LEFELE
        for(j = 0; j < ROWS-3; j++){
            if(tomb[i][j] == 'X' && tomb[i+1][j+1] == 'X' && tomb[i+2][j+2] == 'X' && tomb[i+3][j+3] == 'X')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // ATLOBAN FELFELE
        for(j = ROWS; j > 3; j--){
            if(tomb[i][j] == 'X' && tomb[i+1][j-1] == 'X' && tomb[i+2][j-2] == 'X' && tomb[i+3][j-3] == 'X')
                oszlopban = 1;
        }
    }
    win = oszlopban;
    //return oszlopban;
}
int checkforwin2(char tomb[COLS][ROWS]){
    int i, j, oszlopban = 0;

    for(i = 0; i < COLS; i++){              // OSZLOPBAN
        for(j = 0; j < ROWS-3; j++){
            if(tomb[i][j] == 'O' && tomb[i][j+1] == 'O' && tomb[i][j+2] == 'O' && tomb[i][j+3] == 'O')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // SORBAN
        for(j=0; j<ROWS; j++){
            if(tomb[i][j] == 'O' && tomb[i+1][j] == 'O' && tomb[i+2][j] == 'O' && tomb[i+3][j] == 'O')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // ATLOBAN LEFELE
        for(j = 0; j < ROWS-3; j++){
            if(tomb[i][j] == 'O' && tomb[i+1][j+1] == 'O' && tomb[i+2][j+2] == 'O' && tomb[i+3][j+3] == 'O')
                oszlopban = 1;
        }
    }

    for(i = 0; i < COLS-3; i++){            // ATLOBAN FELFELE
        for(j = ROWS; j >= 3; j--){
            if(tomb[i][j] == 'O' && tomb[i+1][j-1] == 'O' && tomb[i+2][j-2] == 'O' && tomb[i+3][j-3] == 'O')
                oszlopban = 1;
        }
    }

    win = oszlopban;
    //return oszlopban;
}
int istheremorespace(char tomb[COLS][ROWS]){
    if(tomb[1][0] != '-' && tomb[2][0] != '-' && tomb[3][0] != '-' && tomb[4][0] != '-' && tomb[5][0] != '-' && tomb[6][0] != '-' && tomb[7][0] != '-'){
        printf("\nTIE\nMatch is over!\tThere is no more free space!");
        return -1;
    }
    return 1;
}

/*************************************************/
/*                     HUB                       */
/*************************************************/
int hub(){
    win = 0;
    int i, j, oszlop;
    char table[COLS][ROWS];

    feltolt(table);
    kiir(table);

    while(win == 0){
        if((istheremorespace(table)) == -1)
            break;

        if(bele1(table) == 1){
            if(win == 1){
                printf("Player 1 wins the match");
                break;
            }
        }
        else {
            printf("Player 2 wins the match, as Player 1 surrendered!");
            return 0;
        }

        if(bele2(table) == 1){
            if(win == 1){
                printf("Player 2 wins the match");
                break;
            }
        }
        else {
            printf("Player 1 wins the match, as Player 2 surrendered!");
            return 0;
        }
    }

    return 0;
}


/*************************************************/
/*                     MAIN                      */
/*************************************************/
int main(){
    hub();
    printf("\nDo you want a rematch? (ujra/vege)\t");

    char valasztas1[255];
    char valasztas2[255];
    printf("\nP1: ");
    scanf("%s", valasztas1);
    printf("P2: ");
    scanf("%s", valasztas2);
    if(!strcmp(valasztas1, "vege"))
        printf("\nPlayer1 abandoned the match.\nThe session will close soon.");
    if(!strcmp(valasztas2, "vege"))
        printf("\nPlayer2 abandoned the match.\nThe session will close soon.");
    if(!strcmp(valasztas1, "ujra") && !strcmp(valasztas2, "ujra")){
        printf("\nThe rematch will start soon!");
        hub();
    }
    return 0;
}