Only tick levels the player is in on the client.

core/src/main/java/com/seibel/distanthorizons/core/level/DhClientLevel.java

@@ -221,6 +221,7 @@ public class DhClientLevel extends AbstractDhLevel implements IDhClientLevel
 	{
 		try
 		{
+			if (MC_CLIENT.getWrappedClientLevel() == null || MC_CLIENT.getWrappedClientLevel().getDhLevel() != this) return;
 			this.clientside.clientTick();
 			
 			if (this.syncOnLoadRequestQueue != null)

core/src/main/java/com/seibel/distanthorizons/core/level/DhClientServerLevel.java

@@ -71,7 +71,11 @@ public class DhClientServerLevel extends AbstractDhServerLevel implements IDhCli
 	//region
 	
 	@Override
-	public void clientTick() { this.clientside.clientTick(); }
+	public void clientTick()
+	{
+		if (MC_CLIENT.getWrappedClientLevel() == null || MC_CLIENT.getWrappedClientLevel().getDhLevel() != this) return;
+		this.clientside.clientTick();
+	}
 	
 	//endregion