fix ping mod

Author: dsnsgithub

src/main/java/dsns/betterhud/mods/Ping.java

@@ -10,6 +10,10 @@ public class Ping implements BaseMod {
 
     private static final ModSettings SETTINGS = new ModSettings("top-left");
 
+    private static long lastPingSent = 0;
+    private static long lastPingValue = -1;
+    private static final long PING_INTERVAL_MS = 10000;
+
     @Override
     public String getModID() {
         return "Ping";
@@ -22,23 +26,26 @@ public ModSettings getModSettings() {
 
     @Override
     public CustomText onStartTick(MinecraftClient client) {
-        PlayerEntity player = client.player;
-
-        if (
-            player == null ||
-            player.getUuid() == null ||
-            client.getNetworkHandler() == null ||
-            client.getNetworkHandler().getPlayerListEntry(player.getUuid()) ==
-            null
-        ) return null;
-
-        return new CustomText(
-            client
-                    .getNetworkHandler()
-                    .getPlayerListEntry(player.getUuid())
-                    .getLatency() +
-                " ms",
-            getModSettings()
-        );
+        if (client.player == null || client.getNetworkHandler() == null)
+            return null;
+
+        long currentTime = System.currentTimeMillis();
+
+        if (currentTime - lastPingSent >= PING_INTERVAL_MS) {
+            lastPingSent = now;
+            client.getNetworkHandler().sendPacket(
+                    new net.minecraft.network.packet.c2s.query.PingRequestC2SPacket(currentTime));
+        }
+
+        if (lastPingValue == -1) {
+            return new CustomText("... ms", getModSettings());
+        }
+
+        return new CustomText(lastPingValue + " ms", getModSettings());
+    }
+
+    // Called when server responds
+    public static void handlePingResponse(long sentTime) {
+        lastPingValue = System.currentTimeMillis() - sentTime;
     }
 }