Added Render Time and Time Left display to GuiVideoRenderer

src/main/java/eu/crushedpixel/replaymod/utils/DurationUtils.java

@@ -0,0 +1,17 @@
+package eu.crushedpixel.replaymod.utils;
+
+public class DurationUtils {
+
+    public static String convertSecondsToString(int seconds) {
+        int hours = seconds/(60*60);
+        int min = seconds/60 - hours*60;
+        int sec = seconds - ((min*60) + (hours*60*60));
+
+        StringBuilder builder = new StringBuilder();
+        if(hours > 0) builder.append(hours).append("h ");
+        if(min > 0 || hours > 0) builder.append(min).append("min ");
+        builder.append(sec).append("sec");
+
+        return builder.toString();
+    }
+}