添加系统时间ticker

src/main/java/net/mcreator/superbwarfare/tools/AnimationTicker.java

@@ -0,0 +1,15 @@
+package net.mcreator.superbwarfare.tools;
+
+public class AnimationTicker {
+
+    public static long startTime;
+
+    public static void reset() {
+        startTime = System.currentTimeMillis();
+    }
+
+    public static long getProgress() {
+        return System.currentTimeMillis() - startTime;
+    }
+
+}