Fixed invalid healing effects

core/src/mindustry/net/Net.java

@@ -5,6 +5,7 @@ import arc.func.*;
 import arc.net.*;
 import arc.struct.*;
 import arc.util.*;
+import arc.util.async.*;
 import mindustry.gen.*;
 import mindustry.net.Packets.*;
 import mindustry.net.Streamable.*;
@@ -12,6 +13,7 @@ import mindustry.net.Streamable.*;
 import java.io.*;
 import java.nio.*;
 import java.nio.channels.*;
+import java.util.concurrent.*;
 
 import static arc.util.Log.*;
 import static mindustry.Vars.*;
@@ -31,6 +33,7 @@ public class Net{
     private final ObjectMap<Class<?>, Cons> clientListeners = new ObjectMap<>();
     private final ObjectMap<Class<?>, Cons2<NetConnection, Object>> serverListeners = new ObjectMap<>();
     private final IntMap<StreamBuilder> streams = new IntMap<>();
+    private final ExecutorService pingExecutor = Threads.executor(Math.max(Runtime.getRuntime().availableProcessors(), 6));
 
     private final NetProvider provider;
 
@@ -316,10 +319,17 @@ public class Net{
     }
 
     /**
-     * Pings a host in an new thread. If an error occured, failed() should be called with the exception.
+     * Pings a host in a pooled thread. If an error occurred, failed() should be called with the exception.
      */
     public void pingHost(String address, int port, Cons<Host> valid, Cons<Exception> failed){
-        provider.pingHost(address, port, valid, failed);
+        pingExecutor.submit(() -> provider.pingHost(address, port, valid, failed));
+    }
+
+    /**
+     * Pings a host in an new thread. If an error occurred, failed() should be called with the exception.
+     */
+    public void pingHostThread(String address, int port, Cons<Host> valid, Cons<Exception> failed){
+        Threads.daemon(() -> provider.pingHost(address, port, valid, failed));
     }
 
     /**
@@ -367,7 +377,7 @@ public class Net{
          */
         void discoverServers(Cons<Host> callback, Runnable done);
 
-        /** Ping a host. If an error occurred, failed() should be called with the exception. */
+        /** Ping a host. If an error occurred, failed() should be called with the exception. This method should block. */
         void pingHost(String address, int port, Cons<Host> valid, Cons<Exception> failed);
 
         /** Host a server at specified port. */