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Report article RSS Feed Minesweeper In C

Posted by pkyrkos7 on Jan 7th, 2013

I've created a minesweeper game in C for a school project of mine and I decided to upload it here.Of course it needs to be compiled first since below there's only code.

c code:
#include<stdio.h>
#include<stdlib.h>
#include <ctype.h>
#include <math.h>
#include <time.h>

#define dimensions_small_table 15
int tile_choiceX,tile_choiceY,gbl_current_round=-1,gbl_mines=-1,tile_revealed_small_table[dimensions_small_table][dimensions_small_table],tile_checkZeros_small_table[dimensions_small_table][dimensions_small_table]; //global variables for small table
char gbl_Small_table[dimensions_small_table][dimensions_small_table],gbl_gameEnd='A';

int main()
   {
  int gotostart;
    char menu01sel,choice01;
    printf("Welcome to Minesweeper Game!\n");
    do
      {
     gotostart=0;
       printf("Press 1 to start playing!\n");
       printf("Press 2 for information\n");
       printf("Press 3 for legend\n");
       printf("Press 4 to exit\n");
       do
       { menu01sel=getch(); }
       while (menu01sel!='1' &amp;&amp; menu01sel!='2' &amp;&amp; menu01sel!='3' &amp;&amp; menu01sel!='4');
       switch(menu01sel)
       {
        case '1':
         SmallTableGame();
           break;
        case '2':
           HelpFunction();
           gotostart=1;
           break;
        case '3':
           printf("\nLEGEND: *=tile not revealed,E=tile empty,B=tile has bomb\nNumber(1,...,8)=the number is equal to the amount of bombs at the nearby tiles\n\n");
           gotostart=1;
           break;
        default:
           return ProgramEnd();
       }
       if (gotostart!=1)
          {
           if (gbl_gameEnd=='L')
             {
              printf("\n\nYou found a mine!I am sorry but you lost!Do you want to try again?(Y=Yes,N=No)\n");
              do
               { choice01=getch(); }
              while (choice01!='N' &amp;&amp; choice01!='n' &amp;&amp; choice01!='Y' &amp;&amp; choice01!='y');
             }
           else if (gbl_gameEnd=='W')
             {
              printf("\n\n\nCongratulations!You have won the game!Want to play again?(Y=Yes,N=No)\n");
              do
               { choice01=getch(); }
              while (choice01!='N' &amp;&amp; choice01!='n' &amp;&amp; choice01!='Y' &amp;&amp; choice01!='y');
             }
           if (choice01=='Y' || choice01=='y')
              gotostart=1;
          }
      } while (gotostart==1);
    return ProgramEnd();
   }




/*==================================This is the function used for the small table game==============================*/
int SmallTableGame()  //this table contains 225 tiles
   {                                    
    //tile_choiceX and tile_choiceY have real number values --should be changed to use in arrays (real value-1)
    int i,j,rand01,rand02,TotalTilesReveal,tilecounted[dimensions_small_table][dimensions_small_table],gotocoordinates;
    //start up things below
    gbl_gameEnd='A';//the value A means nothing.It could be anything apart from W or L
    gbl_current_round=0;
    TotalTilesReveal=0;
    for (i=0;i<dimensions_small_table;i++)  
       {
        for (j=0;j<dimensions_small_table;j++)
           {
            gbl_Small_table[i][j]=0;
            tile_revealed_small_table[i][j]=0;
            tile_checkZeros_small_table[i][j]=0;
            tilecounted[i][j]=0;
           }
       }  
    /*---------------------------------------------*/
    do
      {
       printf("Enter the amount of mines you want on your minefield(Max mines %.lf):",pow(dimensions_small_table,2)-1);
       scanf("%d",&amp;gbl_mines);
      } while (gbl_mines>=pow(dimensions_small_table,2) || gbl_mines<=0);
    /*------------------*/
    //this part of script will generate the minefield//
    srand(time(0));//this line will make sure each time your run the program the first mine doesn't appear at the same place
    for (i=0;i<gbl_mines;i++)
        {
         do
           {
            rand01=rand()%dimensions_small_table;
            rand02=rand()%dimensions_small_table;
           } while(gbl_Small_table[rand01][rand02]=='B');
         gbl_Small_table[rand01][rand02]='B';
         srand(time(0));//this line is very important DO NOT ERASE!Makes the minefield random
        }
    /*-------------------------------------------------*/
    printf("\nGame has started!\n=====================\n");
    do
     {
      putchar('\n');
      if (gbl_current_round!=0)
          {
           if(gbl_Small_table[tile_choiceX-1][tile_choiceY-1]=='B')
              gbl_gameEnd='L';
           if (gbl_gameEnd!='L' &amp;&amp; gbl_gameEnd!='W' &amp;&amp; gbl_Small_table[tile_choiceX-1][tile_choiceY-1]!='B')
              NearbyMineCheck(tile_choiceX,tile_choiceY);
           for (i=0;i<dimensions_small_table;i++)  
               {
                for (j=0;j<dimensions_small_table;j++)
                    {
                     if (tile_revealed_small_table[i][j]==1 &amp;&amp; tilecounted[i][j]==0 &amp;&amp; gbl_Small_table[i][j]!='B')
                         {
                          tilecounted[i][j]=1;
                          TotalTilesReveal++;
                         }
                    }
               }
           if ((TotalTilesReveal+gbl_mines)==pow(dimensions_small_table,2))
               gbl_gameEnd='W';
          }
      gbl_current_round++;
      printf("   ");
      for (i=0;i<dimensions_small_table;i++)
          {
           if (i<9)
              printf(" 0%d",i+1);
           else
              printf(" %d",i+1);
          }
      putchar('\n');
      printf("   ");
      for (i=0;i<dimensions_small_table*3;i++)
          putchar('-');
      for (i=0;i<dimensions_small_table;i++)
         {
          putchar('\n');
          if (i<9)
             printf("0%d| ",i+1);
          else
             printf("%d| ",i+1);
          for (j=0;j<dimensions_small_table;j++)
              {
               if (gbl_gameEnd=='L')
                  {
                   if(gbl_Small_table[i][j]=='B' || tile_revealed_small_table[i][j]==1)
                       printf("%c  ",gbl_Small_table[i][j]);
                   else printf("*  ");
                  }
               else
                  {
                   if (tile_revealed_small_table[i][j]==0)
                       printf("*  ");
                   else
                      printf("%c  ",gbl_Small_table[i][j]);
                  }
              }
         }
      if (gbl_gameEnd!='L' &amp;&amp; gbl_gameEnd!='W')
         {
          do
            {
           gotocoordinates=0;
             printf("\n\nEnter the coordinates of the tile you want to reveal.");
             printf("\nX coordinate(row): ");
             tile_choiceX=ReadCoordinates();
             printf("\nY coordinate(column): ");
           tile_choiceY=ReadCoordinates();
             if (tile_revealed_small_table[tile_choiceX-1][tile_choiceY-1]==1)
                 {
                  printf("\nThe tile at %d,%d has already been revealed.Choose another.\n",tile_choiceX,tile_choiceY);
                  gotocoordinates=1;
                 }
            } while (gotocoordinates==1);
         }
     } while (gbl_gameEnd!='L' &amp;&amp; gbl_gameEnd!='W');  //gbl_gameEnd will take the value L when the game is lost or W if it is won
    return 0;
   }
 
/*--------------------IMPORTANT FUNCTIONS BELOW-------------------------*/

//This function will check for nearby mines of the tile that was chosen//
NearbyMineCheck(int tempX,int tempY)
  {
   int i,j,tile_nearMinesCount,gotostart;
   do
      {
     gotostart=0;
       tile_nearMinesCount=NearbyMineCheck2(tempX,tempY);  
       gbl_Small_table[tempX-1][tempY-1]=tile_nearMinesCount+48; //48='0'
       tile_revealed_small_table[tempX-1][tempY-1]=1;
       tile_checkZeros_small_table[tempX-1][tempY-1]=1;
       if (tile_nearMinesCount==0)
          {
           if (tempY>1)
              NearbyMineCheck2(tempX,tempY-1);//left
           if (tempY<dimensions_small_table)
              NearbyMineCheck2(tempX,tempY+1);//right
           if (tempX>1)
              NearbyMineCheck2(tempX-1,tempY);//up
           if (tempX<dimensions_small_table)
              NearbyMineCheck2(tempX+1,tempY);//down
           if (tempX>1 &amp;&amp; tempY>1)
              NearbyMineCheck2(tempX-1,tempY-1);//up-left
           if (tempX>1 &amp;&amp; tempY<dimensions_small_table)
              NearbyMineCheck2(tempX-1,tempY+1);//up-right
           if (tempX<dimensions_small_table &amp;&amp; tempY>1)
              NearbyMineCheck2(tempX+1,tempY-1);//down-left
           if (tempX<dimensions_small_table &amp;&amp; tempY<dimensions_small_table)
              NearbyMineCheck2(tempX+1,tempY+1);//down-right
           for (i=0;i<dimensions_small_table;i++)  
              {
               for (j=0;j<dimensions_small_table;j++)
                  {
                   if (gbl_Small_table[i][j]=='0' &amp;&amp; tile_checkZeros_small_table[i][j]==0 &amp;&amp; tile_revealed_small_table[i][j]==1)
                      {
                       tempX=i+1;
                       tempY=j+1;
                       tile_checkZeros_small_table[i][j]=1;        
                       gotostart=1;
                      }
                   if (gotostart==1)
                       break;
                  }
               if (gotostart==1)
                  break;
              }
          }
      } while (gotostart==1);
  }


int NearbyMineCheck2(int tempX,int tempY) //This Function is part of NearbyMineCheck Function
   {
    int tile_nearMinesCount=0;
    /*This function will reveal the nearby tiles*/
    if (tempY>1  &amp;&amp; gbl_Small_table[tempX-1][tempY-2]=='B')
        {tile_nearMinesCount++;}//left
    if (tempY<dimensions_small_table &amp;&amp; gbl_Small_table[tempX-1][tempY]=='B')
        {tile_nearMinesCount++;}//right
    if (tempX>1 &amp;&amp; gbl_Small_table[tempX-2][tempY-1]=='B')
        {tile_nearMinesCount++;}//up
    if (tempX<dimensions_small_table &amp;&amp; gbl_Small_table[tempX][tempY-1]=='B')
        {tile_nearMinesCount++;}//down
    if (tempX>1 &amp;&amp; tempY>1)
       {
        if (gbl_Small_table[tempX-2][tempY-2]=='B')
            {tile_nearMinesCount++;}//up-left
       }
    if (tempX>1 &amp;&amp; tempY<dimensions_small_table)
       {
        if (gbl_Small_table[tempX-2][tempY]=='B')
            {tile_nearMinesCount++;}//up-right
       }
    if (tempX<dimensions_small_table &amp;&amp; tempY>1)
       {
        if (gbl_Small_table[tempX][tempY-2]=='B')
            {tile_nearMinesCount++;}//down-left
       }
    if (tempX<dimensions_small_table &amp;&amp; tempY<dimensions_small_table)
       {
        if (gbl_Small_table[tempX][tempY]=='B')
           {tile_nearMinesCount++;}//down-right
       }    
    gbl_Small_table[tempX-1][tempY-1]=tile_nearMinesCount+48; //48='0' 
    tile_revealed_small_table[tempX-1][tempY-1]=1;
    return tile_nearMinesCount;
   }

int ReadCoordinates()
    {
     int tile_choice,tile_choiceValid=-1;        
     do
       {
        scanf("%d",&amp;tile_choice);
        if (tile_choice>=1 &amp;&amp; tile_choice<=dimensions_small_table)
            tile_choiceValid=1; //Y is column
        else
           {
            tile_choiceValid=0;
            printf("\nY coordinate not within bounds.Must be within 1 and %d\n",dimensions_small_table);
           }
       } while (tile_choiceValid==0);
       return tile_choice;
    }

HelpFunction(void)
   //This function is called when the user needs help
   {
    printf("\nThe player is initially presented with a grid of undifferentiated squares.Some randomly selected squares, unknown to the player, are designated to contain mines.The game is played by revealing squares of the grid.If a square containing a mine is revealed, the player loses the game. Otherwise, a digit is revealed in the square, indicating the number of adjacent squares (typically, out of the possible eight) that contain mines.\n\n");
   }

int ProgramEnd(void)
   {
  printf("\n=================================\nMade by pkyrkos7 aka Panos\n=================================\n");
    system("pause");
    return 0;
   }

 
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