Specchi C++

specchi.cpp

// TestCPP.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <string>
#include <vector>

using namespace std;

enum Parete{SOPRA, DESTRA, SOTTO, SINISTRA};

struct Foro {
	Parete parete;
	int posizione;
};

int rm, cm;

vector<vector<int>> mat;
int directionX, directionY;

void print() {
	for (int i = 0;i < rm + 2;i++) {
		for (int j = 0;j < cm + 2;j++) {
			cout << mat.at(i).at(j) << " ";
		}
		cout << endl;
	}
	cout << endl;
}

void print(int x, int y) {
	for (int i = 0;i < rm + 2;i++) {
		for (int j = 0;j < cm + 2;j++) {
			if (i == x && y == j) {
				cout << "@" << " ";
			}
			else {
				cout << mat.at(i).at(j) << " ";
			}
			
		}
		cout << endl;
	}
	cout << endl;
}

void inizia(int r, int c) {
	rm = r; cm = c;
	for (int i = 0;i < r+2;i++) {
		vector<int> temp;
		for (int j = 0;j < c+2;j++) {
			int x = 0;
			if (i == 0 || i == r + 1 || j == 0 || j == c + 1) {
				x = 2;
			}
			temp.push_back(x);
		}
		mat.push_back(temp);
	}
}

void aggiungi(int r, int c, char diagonale) {
	int x;
	switch (diagonale) {
	case '/':
		x = 1;
		break;
	case '\\':
		x = -1;
		break;
	}
	mat[r+1][c+1] = x;
}


Foro calcola(Foro ingresso) {
	int x, y;
	switch (ingresso.parete) {
	case SOPRA:
		x = 0;
		y = ingresso.posizione+1;
		directionX = 1;
		directionY = 0;
		break;
	case DESTRA:
		y = cm + 1;
		x = ingresso.posizione + 1;
		directionX = 0;
		directionY = 1;
		break;
	case SOTTO:
		x = rm + 1;
		y = ingresso.posizione + 1;
		directionX = -1;
		directionY = 0;
		break;
	case SINISTRA:
		y = 0;
		x = ingresso.posizione + 1;
		directionX = 0;
		directionY = -1;
		break;
	}
	do {
		x += directionX;
		y += directionY;
		print(x,y);
		if (mat[x][y] == 1) {
			int tempx = directionX;
			int tempy = directionY;
			directionX = -tempy;
			directionY = -tempx;
			
		}
		else if (mat[x][y] == -1) {
			int tempx = directionX;
			int tempy = directionY;
			directionX = tempy;
			directionY = tempx;
		}
	} while (x != 0 && y != 0 && x != rm+1 && y != cm+1);
		
	Foro f = Foro();
	return f;
}


int main()
{
	inizia(2, 2);
	aggiungi(0, 0, '/');
	Foro x;
	x.parete = SOPRA;
	x.posizione = 0;
	calcola(x);

    return 0;
}