отдельный класс для слежки за tps

core/src/main/java/mc/core/GameLoop.java

@@ -12,15 +12,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 
 @Slf4j
 public class GameLoop extends Thread {
+    private final TpsWatcher TPS_WATCHER = TpsWatcher.getInstance();
     @Autowired
-    PlayerManager playerManager;
-
-    /* TPS */
-    private int tps;
-    private long pause;
-    @Setter
-    private boolean traceTPS = false;
-    private int lowTps;
+    private PlayerManager playerManager;
 
     /* Time */
     @Setter
@@ -33,41 +27,23 @@ public class GameLoop extends Thread {
     }
 
     public void setPercentWarnLowTps(int value) {
-        if (value > 100) {
-            log.warn("Percent warn low TPS can't be '{}'. Set 100", tps);
-            value = 100;
-        }
-
-        this.lowTps = tps - (int)(tps * (value / 100f));
+        TPS_WATCHER.setPercentWarnLowTps(value);
     }
 
     public void setTps(int tps) {
-        if (tps > 1000) {
-            log.warn("TPS can't be '{}'. Set 1000", tps);
-            tps = 1000;
-        }
-        this.tps = tps;
-        this.pause = (1000 / tps);
+        TPS_WATCHER.setTps(tps);
+    }
+
+    public void setTps(boolean value) {
+        TPS_WATCHER.setTraceTPS(value);
     }
 
     @Override
     public void run() {
-        log.info("Target TPS: {}; Low TPS: {}", tps, lowTps);
-        int factTps = 0;
-        long lastTime = System.currentTimeMillis();
+        TPS_WATCHER.startWatch();
 
         while (!isInterrupted()) {
-            if ((System.currentTimeMillis() - lastTime) > 1000) {
-                lastTime = System.currentTimeMillis();
-                if (factTps < lowTps) {
-                    log.warn("Low TPS: {}/{}", factTps, tps);
-                } else if (traceTPS) {
-                    log.info("TPS: {}/{}", factTps, tps);
-                }
-                factTps = 0;
-            }
-
-            long futureTime = System.currentTimeMillis() + pause;
+            TPS_WATCHER.check();
 
             /* --- --- --- */
 
@@ -76,12 +52,7 @@ public class GameLoop extends Thread {
 
             /* --- --- --- */
 
-            factTps++;
-            try {
-                long pause = futureTime - System.currentTimeMillis();
-                Thread.sleep((pause <= 0 ? 0 : pause));
-            } catch (InterruptedException ignored) {
-            }
+            TPS_WATCHER.tick();
         }
     }
 }

core/src/main/java/mc/core/TpsWatcher.java

@@ -0,0 +1,82 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-12
+ */
+package mc.core;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+class TpsWatcher {
+    private static final TpsWatcher instance = new TpsWatcher();
+
+    private boolean traceTps = false;
+
+    private int tps;
+    private long pause;
+    private int lowTps;
+    private int percentLowTps;
+
+    private int factTps;
+    private long lastTime;
+    private long futureTime;
+
+    public static TpsWatcher getInstance() {
+        return instance;
+    }
+
+    private TpsWatcher(){ }
+
+    public void setTps(int value) {
+        if (value > 1000) {
+            log.warn("TPS can't be '{}'. Set 1000", value);
+            value = 1000;
+        }
+
+        tps = value;
+        pause = (1000 / value);
+    }
+
+    public void setPercentWarnLowTps(int value) {
+        if (value > 100) {
+            log.warn("Percent warn low TPS can't be '{}'. Set 100", value);
+            value = 100;
+        }
+
+        lowTps = tps - (int)(tps * (value / 100f));
+        percentLowTps = value;
+    }
+
+    public void setTraceTPS(boolean value) {
+        traceTps = value;
+    }
+
+    public void startWatch() {
+        log.info("Target TPS: {}; Low TPS: {}({}%)", tps, lowTps, percentLowTps);
+        factTps = 0;
+        lastTime = System.currentTimeMillis();
+    }
+
+    public void check() {
+        if ((System.currentTimeMillis() - lastTime) > 1000) {
+            lastTime = System.currentTimeMillis();
+            if (factTps < lowTps) {
+                log.warn("Low TPS: {}/{}", factTps, tps);
+            } else if (traceTps) {
+                log.trace("TPS: {}/{}", factTps, tps);
+            }
+            factTps = 0;
+        }
+
+        futureTime = System.currentTimeMillis() + pause;
+    }
+
+    public void tick() {
+        factTps++;
+        try {
+            long pause = futureTime - System.currentTimeMillis();
+            Thread.sleep((pause <= 0 ? 0 : pause));
+        } catch (InterruptedException ignored) {
+        }
+    }
+}