Spinning tick await

src/main/java/net/minecraft/server/Entity.java

@@ -604,6 +604,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
     }
 
     public void move(EnumMoveType enummovetype, double d0, double d1, double d2) {
+    	System.out.print("move");
         if (this.noclip) {
             this.a(this.getBoundingBox().d(d0, d1, d2));
             this.recalcPosition();

src/main/java/net/minecraft/server/MinecraftServer.java

@@ -17,6 +17,7 @@ import com.mojang.authlib.minecraft.MinecraftSessionService;
 import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
 import com.mojang.datafixers.DataFixer;
 
+import io.akarin.server.core.AkarinGlobalConfig;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufOutputStream;
 import io.netty.buffer.Unpooled;
@@ -816,7 +817,14 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
                         }
                     }
                     if (wait > 0) {
-                        Thread.sleep(wait / 1000000);
+                    	// Akarin start
+                    	if (AkarinGlobalConfig.spinningAwaitTicking) {
+                        	long park = System.nanoTime();
+                        	while ((System.nanoTime() - park) < wait);
+                    	} else {
+                    		Thread.sleep(wait / 1000000);
+                    	}
+                    	// Akarin end
                         curTime = System.nanoTime();
                         wait = TICK_TIME - (curTime - lastTick);
                     }