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#include <iostream>
#include <vector>
#include <string>
#include <ctime>
#include <cstdlib>
/*
Starter Cell = S;
Open = O;
Visited = V;
Used = U;
Destroyed Wall = X;
maze[y][x];
cell[2] = {y, x};
*/
//global maze var (prevents monotonous typing) (also optimizes?)
std::vector<std::vector<char>> maze(13, std::vector<char>(13, '#'));
void setUp(){ //create the proper cell openings
for (int x = 0; x < 13; x++){
for (int y = 0; y < 13; y++){
if ((x+1)%2==0 && (y+1)%2==0){//both x and y even
maze[y][x] = 'O';
}
}
}
}
void cleanUp(){ //cleanup the cell markings used to avoid classes use
for (int y = 0; y < 13; y++){
for (int x = 0; x < 13; x++){
char cell = maze[y][x];
if (cell == 'O'){
maze[y][x] = ' ';
}else if (cell == 'V'){
maze[y][x] = ' ';
}else if (cell == 'U'){
maze[y][x] = ' ';
}else if (cell == 'X'){
maze[y][x] = ' ';
}
}
}
}
void output(){ //output maze to console
for (int y = 0; y < 13; y++){
for (int x = 0; x < 13; x++){
std::cout << maze[y][x] << ' ';
}
std::cout << std::endl;
}
}
std::string cellType(int cell[2]){ //identify cell type to be able to determine course of action
int x = cell[1];
int y = cell[0];
char cData = maze[y][x];
if (cData == 'O'){
return "Open";
}else if (cData == 'V'){
return "Visited";
}else if (cData == 'U'){
return "Used";
}else if (cData == 'X'){
return "Destroyed Wall";
}else if (cData == '#'){
return "Wall";
}
return "Could not classify";
}
void getSCell(int sCell[2]){ //the maze has to start some where, gets a starter cell
srand(time(NULL));//seed for the pseudo-random thingy
int pPos[6] = {1,3,5,7,9,11};
sCell[0] = pPos[(rand() % 6)];
sCell[1] = pPos[(rand() % 6)];
}
int OpenNum(){
int num = 0;
for (int x = 0; x < 13; x++){
for (int y = 0; y < 13; y++){
int cell[2] = {y, x};
std::string cTyp = cellType(cell);
if (cTyp == "Open"){
num++;
}
}
}
return num;
}
void destWall(int cCell[2], std::string dir){ //destroy wall (this is what makes the maze visible)
int y = cCell[0];
int x = cCell[1];
if (dir == "Up"){
if (y > 1){
maze[y - 1][x] = 'X';
}
}else if (dir == "Down"){
if (y < 12){
maze[y + 1][x] = 'X';
}
}else if (dir == "Left"){
if (x > 1){
maze[y][x - 1] = 'X';
}
}else if (dir == "Right"){
if (x < 12){
maze[y][x + 1] = 'X';
}
}
}
int newPosX(int cCell[2], std::string dir){
int x = cCell[1];
if (dir == "Left"){
if (x > 1){
return (x - 2);
}
}else if (dir == "Right"){
if (x < 12){
return (x + 2);
}
}
return x;
}
int newPosY(int cCell[2], std::string dir){
int y = cCell[0];
if (dir == "Up"){
if (y > 1){
return (y - 2);
}
}else if (dir == "Down"){
if (y < 12){
return (y + 2);
}
}
return y;
}
std::string nextDirOpen(int cCell[2]){
srand(time(NULL));
int y = cCell[0];
int x = cCell[1];
std::string dirs[4] = {"Up", "Down", "Left", "Right"};
std::string pDirs[4];
int index = 0;
for (int i = 0; i < 4; i++){
int newCell[2] = {newPosY(cCell, dirs[i]), newPosX(cCell, dirs[i])}; //get the new cell
/*std::cout << newCell[0] << " " << newCell[1] << std::endl;
std::cout << cCell[0] << " " << cCell[1] << std::endl;
std::cout << std::endl; */
if (newCell[0] != cCell[0] || newCell[1] != cCell[1]){ //if it isn't the same
std::string cType = cellType(newCell); //get the cell type
if (cType == "Open"){ //is it an Open cell?
pDirs[index] = dirs[i]; // add it to the array
index++;
}
}
}
if (index > 0){
int r = rand() % index;
return pDirs[r]; //returns a random direction that is possible
}
return "None";
}
std::string nextDirVisited(int cCell[2]){
srand(time(NULL));
int y = cCell[0];
int x = cCell[1];
std::string dirs[4] = {"Up", "Down", "Left", "Right"};
std::string pDirs[4];
int index = 0;
for (int i = 0; i < 4; i++){
int newCell[2] = {newPosY(cCell, dirs[i]), newPosX(cCell, dirs[i])}; //get the new cell
if (newCell[0] != cCell[0] || newCell[1] != cCell[1]){ //if it isn't the same
std::string cType = cellType(newCell); //get the cell type
if (cType == "Visited"){ //is it an Open cell?
pDirs[index] = dirs[i]; // add it to the array
index++;
}
}
}
if (index > 0){
int r = rand() % index;
return pDirs[r]; //returns a random direction that is possible
}
return "None";
}
void generate(){
setUp();
//starter cell
int sCell[2];
getSCell(sCell);
//current cell
int cCell[2] = {sCell[1], sCell[0]}; //remember it is y x
int numOpenCells = OpenNum(); //gets us the number of open cells
while (numOpenCells > 0){ //loop until there aren't any more open cells
//getting the new cell
int newCell[2];
int mX = cCell[1];
int mY = cCell[0];
std::string newDir = nextDirOpen(cCell); //next unused cell
if (newDir == "None"){
newDir = nextDirVisited(cCell);
if (newDir == "None"){ //just in case we back track where we shouldn't
/* std::cout << "Error, no area to back track to!" << std::endl;
std::cout << "Area of Issue: ( " << cCell[1] << ", " << cCell[0] << ") " << std::endl;
break; //and ends the process */
std::cout << "Issue: " << cCell[1] << " " << cCell[0] << std::endl;
break;
}else{
std::cout << "Backtracking: " << newDir << std::endl;
newCell[0] = newPosY(cCell, newDir);
newCell[1] = newPosX(cCell, newDir);
maze[mY][mX] = 'U';
}
}else{
std::cout << "Digging: " << newDir << std::endl;
newCell[0] = newPosY(cCell, newDir);
newCell[1] = newPosX(cCell, newDir);
maze[mY][mX] = 'V';
}
//proper actions with new cell
destWall(cCell, newDir); //destroy the wall
cCell[0] = newCell[0];
cCell[1] = newCell[1];
numOpenCells = OpenNum();
std::cout << numOpenCells << std::endl;
}
//output();
}
int main() {
generate();
output();
std::cout << "We good!" << std::endl;
}
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