hanoi.cpp

#include <iostream>
#include <cctype>
#include <unistd.h>
#include <iomanip>
#include "termmanip.h"
#include "keystream.h"
#include "disk.h"
#include "diskStack.h"
#include "tower.h"
#include "tty_functions.h"

using namespace std;

//the size of the window
static ttySize sz;

void clear();                                                //clears screen
//display elements
int echo(char e); //echos only if a, b or c
void displayHeader();                                        //displays the title and scores
void displayMessage(int line, const string &gtitle, const string &mtitle);          //headersubs
void displayMove(int &sc);                //tracks the moves
void Game();                                                 //the actual game part thing
void displayInstructions(int line, const string ins);

int main()
{
  int dn;     //number of disks to play with
  Tower *t;     //towers display
  char src, dest;
  int i=0;

  //get window size
  sz = ttyGetSize(STDIN_FILENO);

  //display the tower of hanoi
  clear();
  cout << "How many disks? ";
  cin >> dn;

  //creates the towers
  t = new Tower(dn);

  //draw the header
  displayHeader();
  t -> display();

  //get the input into the right state
  kin.cbreakMode();
  do {
    displayMove(i);
    cout << cursorPosition(10,dn+7) << clearLine;
    displayInstructions(dn,"Move (Q-Quit, S-Solve, ABC-Move):");
    cout << clearLine;
    cout.flush();
    src = kin.getKey();
    echo(src);
    switch(src) {
    case 'a':
    case 'b':
    case 'c':
      displayInstructions(dn+1, "To (Q-Quit, S-Solve, ABC-makove):");
      cout << clearLine;
      cout.flush();
      dest = kin.getKey();
      echo(dest);
      switch(dest) {
      case 'a':
      case 'b':
      case 'c':
	t -> move(src, dest);
	i++;
	break;
      };
      break;
      
    case 's': //solve
      t -> solve();
      break;

    case 'q':
      src = CTRL_C; //escape moves too
      clear(); 
      cout << "Thanks for playing" << endl;
      break;

    default:
      break;
    }
  } while((t -> solved() != true) or (src == CTRL_C));
  cout << clear << "You Win! Press any key to continue" ;
  return 0;

}
//cbreak echoing 
int echo(char e){
  if (e == 'a' or 'b' or 'c' or 's' or 'q') {
    cout << e;
    }
  cout.flush();
  return e;
};

//clear screen and put cursor 1,1
void clear() {
  cout << clearScreen << cursorPosition(1,1);
};

//draw the header of the game
void displayHeader() {
  //blackbackfround for header
  clear();        //clear screen
  cout << blackBackground  << setw(sz.cols) << ' ';
  displayMessage(1, "The Tower of Hanoi", "Moves:");
  cout << cursorPosition(1,2) << normal;
  cout.flush();
};

//creates message in the header
void displayMessage(int line, const string &gtitle, const string &mtitle)
{
  //find the center of the screen and display the message header
  int x = sz.cols/2;      //gets x coordinate for game title
  int x2 = sz.cols/1.08;  //gets x coordinate for the move title
  x -= gtitle.length()/2;   //gets center of characters for game name
  cout << cursorPosition(x, line) << white << gtitle << cursorPosition(x2, line) << mtitle;
  cout  << normal;
}

//move tracker
void displayMove(int &score) 
{
  int x = sz.cols/1.03;    //get x coordinate for the move number
  //x -= score.length()/2;       //get center of characters for moves
  cout << cursorPosition(x,1) << blackBackground << white <<  score << normal;
};

//instructions
void displayInstructions(int line, const string ins) {
  int x = sz.rows/2;
  cout << cursorPosition(10, line+6) << ins;
};