[FEATURE] Added days into Timer

Credits to @parnassian

src/main/java/org/parabot/environment/api/utils/Timer.java

@@ -1,120 +1,124 @@
 package org.parabot.environment.api.utils;
 
 /**
- * 
  * A simple timer class
- * 
+ *
  * @author Everel, Parameter
- * 
  */
 public class Timer {
-	private long start;
-	private long end;
+    private long start;
+    private long end;
 
-	/**
-	 * Timer Constructor
-	 * 
-	 * @param end
-	 */
-	public Timer(long end) {
+    /**
+     * Timer Constructor
+     *
+     * @param end
+     */
+    public Timer(long end) {
+        start = System.currentTimeMillis();
+        this.end = System.currentTimeMillis() + end;
+    }
 
-		start = System.currentTimeMillis();
-		this.end = System.currentTimeMillis() + end;
-	}
+    /**
+     * Timer Constructor
+     */
+    public Timer() {
+        this(0);
+    }
 
-	/**
-	 * Timer Constructor
-	 */
-	public Timer() {
-		this(0);
-	}
+    /**
+     * Determines the remaining time left.
+     *
+     * @return the remaining time.
+     */
+    public long getRemaining() {
+        return end - System.currentTimeMillis();
+    }
 
-	/**
-	 * Determines the remaining time left.
-	 * 
-	 * @return the remaining time.
-	 */
-	public long getRemaining() {
-		return end - System.currentTimeMillis();
-	}
+    /**
+     * Determines if the end time has been reached, does not mean it stopped
+     * running.
+     */
+    public boolean isFinished() {
+        return System.currentTimeMillis() > end;
+    }
 
-	/**
-	 * Determines if the end time has been reached, does not mean it stopped
-	 * running.
-	 */
-	public boolean isFinished() {
-		return System.currentTimeMillis() > end;
-	}
+    /**
+     * Stops and resets the timer
+     */
+    public void restart() {
+        stop();
+        reset();
+    }
 
-	/**
-	 * Stops and resets the timer
-	 */
-	public void restart() {
-		stop();
-		reset();
-	}
+    /**
+     * Resets the timer if stopped
+     */
+    public void reset() {
+        if (start == 0) {
+            start = System.currentTimeMillis();
+        }
+    }
 
-	/**
-	 * Resets the timer if stopped
-	 */
-	public void reset() {
-		if (start == 0) {
-			start = System.currentTimeMillis();
-		}
-	}
+    /**
+     * Resets the timer
+     */
+    public void stop() {
+        end = (end - start) + System.currentTimeMillis();
+        start = 0;
+    }
 
-	/**
-	 * Resets the timer
-	 */
-	public void stop() {
-		end = (end - start) + System.currentTimeMillis();
-		start = 0;
-	}
+    /**
+     * Determines if timer is running
+     *
+     * @return <b>true</b> if timer is running
+     */
+    public boolean isRunning() {
+        return start != 0;
+    }
 
-	/**
-	 * Determines if timer is running
-	 * 
-	 * @return <b>true</b> if timer is running
-	 */
-	public boolean isRunning() {
-		return start != 0;
-	}
+    /**
+     * Gets the run time in long millis.
+     *
+     * @return the elapsed time.
+     */
+    public long getElapsedTime() {
+        return System.currentTimeMillis() - start;
+    }
 
-	/**
-	 * Gets the run time in long millis.
-	 * 
-	 * @return the elapsed time.
-	 */
-	public long getElapsedTime() {
-		return System.currentTimeMillis() - start;
-	}
+    /**
+     * Calculates hourly gains based on given variable
+     *
+     * @param gained variable
+     *
+     * @return hourly gains
+     */
+    public int getPerHour(final int gained) {
+        return (int) ((gained) * 3600000D / (System.currentTimeMillis() - start));
+    }
 
-	/**
-	 * Calculates hourly gains based on given variable
-	 * 
-	 * @param gained
-	 *            variable
-	 * @return hourly gains
-	 */
-	public int getPerHour(final int gained) {
-		return (int) ((gained) * 3600000D / (System.currentTimeMillis() - start));
-	}
-
-	/**
-	 * Generates string based on HH:MM:SS
-	 * 
-	 * @return String
-	 */
-	@Override
-	public String toString() {
-		StringBuilder b = new StringBuilder();
-		long elapsed = getElapsedTime();
-		int second = (int) (elapsed / 1000 % 60);
-		int minute = (int) (elapsed / 60000 % 60);
-		int hour = (int) (elapsed / 3600000 % 60);
-		b.append(hour < 10 ? "0" : "").append(hour).append(":");
-		b.append(minute < 10 ? "0" : "").append(minute).append(":");
-		b.append(second < 10 ? "0" : "").append(second);
-		return new String(b);
-	}
+    /**
+     * Generates string based on DD:HH:MM:SS
+     *
+     * @return String
+     */
+    @Override
+    public String toString() {
+        StringBuilder b       = new StringBuilder();
+        long          elapsed = getElapsedTime();
+        int           day     = (int) (elapsed / 86400000);
+        elapsed -= day * 86400000;
+        int hour = (int) (elapsed / 3600000);
+        elapsed -= hour * 3600000;
+        int minute = (int) (elapsed / 60000);
+        elapsed -= minute * 60000;
+        int second = (int) (elapsed / 1000);
+        if (day > 0) {
+            b.append(day < 10 ? "0" : "").append(day).append("d:");
+        }
+        b.append(hour < 10 ? "0" : "").append(hour).append(":");
+        b.append(minute < 10 ? "0" : "").append(minute).append(":");
+        b.append(second < 10 ? "0" : "").append(second);
+        return new String(b);
+    }
 }