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#include <iostream>
#include <fstream>
#include <cstring>
#include <cstdlib>
#define MAX_WRONG 8
#define USED_LETTERS_CAPACITY 26 //letters in the alphabet
using namespace std;
int getRandom(); //returns random number which is used to choose word from list
int getCategory(); //user chooses category
void getWord(int, int, char []);
char getch(char[]); //gets and checks user input
void initializeArrays(char [],char [],int,char[]);
void drawBlanks(char [],int,int,char[]);
bool check(char [],char [],int,char); //returns true if correct letter guessed
bool isGameOver(char[],int); //returns true if all blanks filled
void showWinScreen(); //shows drawing of a free man
void showLoseScreen(char[]);//shows drawing of a dead man
bool playAgain();
bool isUsed(char[],char); //checks if letter is used
int main()
{
replay:
system("clear");
int random = getRandom();
int category = getCategory();
char word[100];
getWord(random,category,word);
int wrong = 0;
int length = strlen(word);
char blanks[length];
char usedLetters[USED_LETTERS_CAPACITY];
initializeArrays(blanks, word,length,usedLetters);
do
{
system("clear");
drawBlanks(blanks,length,wrong,usedLetters);
char ch = getch(usedLetters);
if(!check(blanks,word,length,ch)){wrong++;}
if(isGameOver(blanks,length))
{
showWinScreen();
if(playAgain()){goto replay;}
else break;
}
}while(wrong<=MAX_WRONG);
if(wrong>MAX_WRONG)
{
showLoseScreen(word);
if(playAgain()){goto replay;}
else return 0;
}
}
void getWord(int random,int category,char word[])
{
ifstream iFile;
switch (category)
{
case 1:{iFile.open("~/Desktop/C++/Hangman/Categories/Countries.txt");break; }
case 2:{iFile.open("~/Desktop/C++/Hangman/Categories/Books.txt"); break; }
case 3:{iFile.open("~/Desktop/C++/Hangman/Categories/LongEng.txt"); break; }
case 4:{iFile.open("~/Desktop/C++/Hangman/Categories/LongMed.txt"); break; }
default:{iFile.open("~/Desktop/C++/Hangman/Categories/Countries.txt"); break;}
}
string line;
int line_no=0;
while(getline(iFile,line))
{
line_no++;
if(line_no==random)
{
strcpy(word,line.c_str());
}
}
}
void initializeArrays(char blanks[],char word[],int length,char usedLetters[])
{
//assign all values in blanks[] to '_'
int i;
for(i=0;i<length;i++)
{
if(word[i]==' '){blanks[i]=' ';}
else {blanks[i]='_';}
}
//without this, the condition in line 193 wont work.
for(i=0;i<USED_LETTERS_CAPACITY;i++)
{
usedLetters[i]=' ';
}
}
void drawBlanks(char blanks[], int length,int wrong,char usedLetters[])
{
int i;
for(i=0;i<length;i++)
{
cout<<blanks[i]<<" ";
}
cout<<endl;
cout<<"Wrong Guesses: "<<wrong<<"/9"<<endl;
cout<<endl;
cout<<"Used Letters: ";
for(i=0; i<USED_LETTERS_CAPACITY; i++)
{
cout<<usedLetters[i]<<" ";
}
cout<<endl;
}
bool check(char blanks[],char word[],int length,char ch)
{
bool isCorrect = false;
for(int i=0;i<length; i++)
{
if(word[i]==ch)
{
blanks[i]=ch;
isCorrect = true;
}
}
return isCorrect;
}
bool isGameOver(char blanks[],int length)
{
int guessed=0;
cout<<length<<endl;
for(int i=0;i<length;i++)
{
if(blanks[i]!='_'){guessed++;}
}
if (guessed==length){return true;}
else return false;
}
bool playAgain()
{
cout<<"Would you like to play again (Y/N)?";
char response;
cin>>response;
if(response == 'Y' || response == 'y'){return true;}
return false;
}
char getch(char usedLetters[])
{
char ch;
prompt: cout<<"Enter Letter: "; cin>>ch;
if(isupper(ch)){ch=tolower(ch);}
if(!isUsed(usedLetters, ch)){return ch; }
else
{
cout<<"That letter's been used! ";
goto prompt;
}
}
bool isUsed(char usedLetters[], char ch)
{
int i;
//check if char ch is in the usedLetters array.
//if it is return true
//if it isn't, add the letter to array of used letters
//and then return false.
for(i=0;i<USED_LETTERS_CAPACITY;i++)
{
if(usedLetters[i]==ch){return true;}
else continue;
}
for(i=0;i<USED_LETTERS_CAPACITY;i++)
{
if(usedLetters[i]==' '){usedLetters[i]=ch; break;}
/*what i wanted to write here was if the array element is empty,
put the used character in the empty element.
So I wrote if(usedLetters[i]=='') but the compiler had a problem with this.
So i changed it to what you see now.*/
}
return false;
}
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