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#include <iostream>
#include <string>
#include <limits>
using namespace std;
static inline void clear_cin_errors()
{
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
}
static inline bool getDim(int &dimension)
{
cout << "Enter a map size between 3 and 9 inclusive: ";
cin >> dimension;
clear_cin_errors();
if (dimension >=3 && dimension <= 9)
{
return (true);
}
cout << dimension << " map size is incorrect." << endl;
return (false);
}
static inline bool getCoord(const string& axis, const int &dimension, int &coord)
{
cout << axis << endl;
cin >> coord;
clear_cin_errors();
if (coord >=0 && coord <= dimension - 1)
{
return (true);
}
cout << coord << " is incorrect." << endl;
cout << "Point must be a valid position on the map." << endl;
return (false);
}
static inline bool shiftCoord(const string& axis, const int &dimension, int &coord)
{
cout << axis << endl;
int offset = 0;
int tmpCoord = coord;
cin >> offset;
clear_cin_errors();
tmpCoord += offset;
if (tmpCoord >=0 && tmpCoord <= dimension - 1)
{
coord = tmpCoord;
return (true);
}
cout << offset << " is incorrect." << endl;
cout << "Treasure location must be within the confines of the map." << endl;
return (false);
}
static inline int getSelection()
{
cout << endl << "Select: ";
int selection = -1;
cin >> selection;
clear_cin_errors();
return (selection);
}
static inline void Draw(int dimension, int treasureRow, int treasureCol)
{
for (int r = 0; r <= dimension; r++)
{
for (int c = 0; c <= dimension; c++)
{
if(r == treasureRow && c == treasureCol + 1)
{
cout << "X ";
}
else if (r == dimension && c == 0)
{
cout << " ";
}
else if (r < dimension && c == 0)
{
cout << r << " ";
}
else if (r == dimension)
{
cout << c - 1 << " ";
}
else
{
cout << "- ";
}
}
cout << endl;
}
}
int main()
{
int dimension = 0;
while (!getDim(dimension));
int treasureRow = -1;
while (!getCoord("Enter Initial location of X (row): ", dimension, treasureRow));
int treasureCol = -1;
while (!getCoord("Enter Initial location of X (column): ", dimension, treasureCol));
Draw(dimension, treasureRow, treasureCol);
cout << endl;
cout << "Menu options" << endl;
cout << "------------" << endl;
cout << "1) Update treasure coordinates (row/column)." << endl;
cout << "2) Shift X left or right. " << endl;
cout << "3) Shift X up or down." << endl;
cout << "4) Exit program." << endl;
cout << endl;
// take input option from user
int selection;
// switch statement
while ((selection = getSelection()) != 4)
{
switch(selection)
{
case 1:
{
while (!getCoord("Enter updated location of X (row): ", dimension, treasureRow));
while (!getCoord("Enter updated location of X (column): ", dimension, treasureCol));
cout << "Treasure Row: "<<treasureRow << endl;
cout << "Treasure Col: "<<treasureCol << endl;
Draw(dimension, treasureRow, treasureCol);
break;
}
case 2:
{
while (!shiftCoord("Shift X left or right (negative values left, positive values right)", dimension, treasureCol));
cout << "Treasure Col: "<< treasureCol << endl;
Draw(dimension, treasureRow, treasureCol);
break;
}
case 3:
{
while (!shiftCoord("Shift X up or down (negative values down, positive values up):", dimension, treasureRow));
cout << "Treasure Row: " << treasureRow << endl;
Draw(dimension, treasureRow, treasureCol);
break;
}
case 4:
{
cout << "Exiting" << endl;
break;
}
default:
{
break;
}
}
}
cout << "Goodbye, press Enter to continue...\n";
clear_cin_errors();
return (0);
}
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