PaperMC/paper-server/nms-patches/net/minecraft/server/network/LegacyPingHandler.patch

--- a/net/minecraft/server/network/LegacyPingHandler.java
+++ b/net/minecraft/server/network/LegacyPingHandler.java
@@ -37,11 +37,12 @@
             MinecraftServer minecraftserver = this.serverConnectionListener.getServer();
             int i = bytebuf.readableBytes();
             String s;
+            org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(minecraftserver.server, inetsocketaddress.getAddress(), minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers()); // CraftBukkit
 
             switch (i) {
                 case 0:
                     LegacyPingHandler.LOGGER.debug("Ping: (<1.3.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
-                    s = String.format(Locale.ROOT, "%s\u00a7%d\u00a7%d", minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers());
+                    s = String.format(Locale.ROOT, "%s\u00a7%d\u00a7%d", event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
                     this.sendFlushAndClose(channelhandlercontext, this.createReply(s));
                     break;
                 case 1:
@@ -50,7 +51,7 @@
                     }
 
                     LegacyPingHandler.LOGGER.debug("Ping: (1.4-1.5.x) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
-                    s = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getServerVersion(), minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers());
+                    s = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getServerVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
                     this.sendFlushAndClose(channelhandlercontext, this.createReply(s));
                     break;
                 default:
@@ -69,7 +70,7 @@
                     }
 
                     LegacyPingHandler.LOGGER.debug("Ping: (1.6) from {}:{}", inetsocketaddress.getAddress(), inetsocketaddress.getPort());
-                    String s1 = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getServerVersion(), minecraftserver.getMotd(), minecraftserver.getPlayerCount(), minecraftserver.getMaxPlayers());
+                    String s1 = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", 127, minecraftserver.getServerVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()); // CraftBukkit
                     ByteBuf bytebuf1 = this.createReply(s1);
 
                     try {