LagAssist/src/com/entryrise/lagassist/ExactTPS.java

package com.entryrise.lagassist;

public class ExactTPS implements Runnable {
	public static int TICK_COUNT = 0;
	public static long[] TICKS = new long[600];
	public static long LAST_TICK = 0L;

	public static double getTPS() {
		return getTPS(100);
	}

	public static double getTPS(int ticks) {
		if (TICK_COUNT - 1 < ticks) {
			return 20.0D;
		}
		int target = (TICK_COUNT - 1 - ticks) % TICKS.length;
		long elapsed = System.currentTimeMillis() - TICKS[target];

		return ticks / (elapsed / 1000.0D);
	}

	public static long getElapsed(int tickID) {
		if (TICK_COUNT - tickID >= TICKS.length) {
		}

		long time = TICKS[(tickID % TICKS.length)];
		return System.currentTimeMillis() - time;
	}

	@Override
	public void run() {
		TICKS[(TICK_COUNT % TICKS.length)] = System.currentTimeMillis();

		TICK_COUNT += 1;
	}
}