#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

void createDirectoryIfNotExists(const string& dirPath)

{

string cmd = "mkdir -p " + dirPath;

int ret = system(cmd.c_str());

if (ret == -1)

{

//handle error

}

}

static int counter = 0;

void House::montage(const string& algoName, const string& houseName) const

{

vector<string> tiles;

for (size_t row = 0; row < _rows; ++row)

{

for (size_t col = 0; col < _cols; ++col)

{

if (_house[row][col] == ' ')

tiles.push_back("0");

else

tiles.push_back(string() + _house[row][col]);

}

}

string imagesDirPath = "simulations/" + algoName + "_" + houseName;

createDirectoryIfNotExists(imagesDirPath);

string counterStr = to_string(counter++);

string composedImage = imagesDirPath + "/image" + string(5-counterStr.length(), '0') + counterStr + ".jpg";

Montage::compose(tiles, _cols, _rows, composedImage);

}

//.... To Encode images into video:

string simulationDir = "simulations/" + algoName + "_" + houseName + "/";

string imagesExpression = simulationDir + "image%5d.jpg";

Encoder::encode(imagesExpression, algoName + "_" + houseName + ".mpg");

//don't forget to remove the images after the video is created...