Rogue: Savage Rats, a retro-themed dungeon crawler
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rogue-savage-rats/src/mightypork/rogue/TaskTakeScreenshot.java

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package mightypork.rogue;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import mightypork.gamecore.render.DisplaySystem;
import mightypork.gamecore.render.Screenshot;
import mightypork.utils.logging.Log;
public class TaskTakeScreenshot implements Runnable {
private final Screenshot scr;
public TaskTakeScreenshot() {
scr = DisplaySystem.takeScreenshot();
}
@Override
public void run()
{
final String fname = getUniqueScreenshotName();
// generate unique filename
File file;
int index = 0;
while (true) {
file = new File(Paths.SCREENSHOTS, fname + (index > 0 ? "-" + index : "") + ".png");
if (!file.exists()) break;
index++;
}
Log.f3("Saving screenshot to file: " + file);
// save to disk
try {
scr.save(file);
} catch (final IOException e) {
Log.e("Failed to save screenshot.", e);
}
}
private static String getUniqueScreenshotName()
{
final DateFormat df = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
return df.format(new Date());
}
}