Proper run() Method for 1.7.10

public void run() {
        try {
            if (this.init()) {
                long i = ar();
                long j = 0L;

                this.q.setMOTD(new ChatComponentText(this.motd));
                this.q.setServerInfo(new ServerPingServerData("1.7.10", 5));
                this.a(this.q);

                // Spigot start
                // PaperSpigot start - Further improve tick loop
                Arrays.fill( recentTps, 20 );
                //long lastTick = System.nanoTime(), catchupTime = 0, curTime, wait, tickSection = lastTick;
                long start = System.nanoTime(), lastTick = start - TICK_TIME, catchupTime = 0, curTime, wait, tickSection = start;

                // PaperSpigot end
                while (this.isRunning) {
                    curTime = System.nanoTime();
                    // PaperSpigot start - Further improve tick loop
                    wait = TICK_TIME - (curTime - lastTick);
                    if (wait > 0) {
                        if (catchupTime < 2E6) {
                            wait += Math.abs(catchupTime);
                        } else if (wait < catchupTime) {
                            catchupTime -= wait;
                            wait = 0;
                        } else {
                            wait -= catchupTime;
                            catchupTime = 0;
                        }
                    }
                    if (wait > 0L) {
                        Thread.sleep(wait / 1000000L);
                        curTime = System.nanoTime();
                        wait = 50000000L - (curTime - lastTick);
                    }
                    catchupTime = Math.min(60000000000L, catchupTime - wait);
                    // Paperspigot end

                    if ( ++MinecraftServer.currentTick % SAMPLE_INTERVAL == 0 ) // PaperSpigot - Further improve tick loop
                    {
                        // PaperSpigot start - Further improve tick loop
                        final long diff = curTime - tickSection;
                        double currentTps = 1E9 / diff * SAMPLE_INTERVAL;
                        tps1.add(currentTps, diff);
                        tps5.add(currentTps, diff);
                        tps15.add(currentTps, diff);
                        // Backwards compat with bad plugins
                        recentTps[0] = tps1.getAverage();
                        recentTps[1] = tps5.getAverage();
                        recentTps[2] = tps15.getAverage();
                        tickSection = curTime;
                        // PaperSpigot end
                    }
                    lastTick = curTime;

                    this.u();
                    this.O = true;
                }
                // Spigot end
            } else {
                this.a((CrashReport) null);
            }
        } catch (Throwable throwable) {
            i.error("Encountered an unexpected exception", throwable);
            // Spigot Start
            if ( throwable.getCause() != null )
            {
                i.error( "\tCause of unexpected exception was", throwable.getCause() );
            }
            // Spigot End
            CrashReport crashreport = null;

            if (throwable instanceof ReportedException) {
                crashreport = this.b(((ReportedException) throwable).a());
            } else {
                crashreport = this.b(new CrashReport("Exception in server tick loop", throwable));
            }

            File file1 = new File(new File(this.s(), "crash-reports"), "crash-" + (new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss")).format(new Date()) + "-server.txt");

            if (crashreport.a(file1)) {
                i.error("This crash report has been saved to: " + file1.getAbsolutePath());
            } else {
                i.error("We were unable to save this crash report to disk.");
            }

            this.a(crashreport);
        } finally {
            try {
                org.spigotmc.WatchdogThread.doStop();
                this.stop();
                this.isStopped = true;
            } catch (Throwable throwable1) {
                i.error("Exception stopping the server", throwable1);
            } finally {
                // CraftBukkit start - Restore terminal to original settings
                try {
                    this.reader.getTerminal().restore();
                } catch (Exception e) {
                }
                // CraftBukkit end
                this.t();
            }
        }
    }