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


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package net.minecraft.server;

import java.net.InetSocketAddress;

import org.bukkit.craftbukkit.util.CraftIconCache; // CraftBukkit

import net.minecraft.util.io.netty.util.concurrent.GenericFutureListener;

public class PacketStatusListener implements PacketStatusInListener {

    private final MinecraftServer minecraftServer;
    private final NetworkManager networkManager;

    public PacketStatusListener(MinecraftServer minecraftserver, NetworkManager networkmanager) {
        this.minecraftServer = minecraftserver;
        this.networkManager = networkmanager;
    }

    public void a(IChatBaseComponent ichatbasecomponent) {}

    public void a(EnumProtocol enumprotocol, EnumProtocol enumprotocol1) {
        if (enumprotocol1 != EnumProtocol.STATUS) {
            throw new UnsupportedOperationException("Unexpected change in protocol to " + enumprotocol1);
        }
    }

    public void a() {}

    public void a(PacketStatusInStart packetstatusinstart) {
        // CraftBukkit start - fire ping event
        class ServerListPingEvent extends org.bukkit.event.server.ServerListPingEvent {
            CraftIconCache icon = minecraftServer.server.getServerIcon();

            ServerListPingEvent() {
                super(((InetSocketAddress) networkManager.getSocketAddress()).getAddress(), minecraftServer.getMotd(), minecraftServer.getPlayerList().getPlayerCount(), minecraftServer.getPlayerList().getMaxPlayers());
            }

            @Override
            public void setServerIcon(org.bukkit.util.CachedServerIcon icon) {
                if (!(icon instanceof CraftIconCache)) {
                    throw new IllegalArgumentException(icon + " was not created by " + org.bukkit.craftbukkit.CraftServer.class);
                }
                this.icon = (CraftIconCache) icon;
            }
        }

        ServerListPingEvent event = new ServerListPingEvent();
        this.minecraftServer.server.getPluginManager().callEvent(event);
        ServerPing ping = new ServerPing();
        ping.setFavicon(event.icon.value);
        ping.setMOTD(new ChatComponentText(event.getMotd()));
        ping.setPlayerSample(new ServerPingPlayerSample(event.getMaxPlayers(), minecraftServer.getPlayerList().getPlayerCount()));
        ping.setServerInfo(new ServerPingServerData(minecraftServer.server.getVersion(), 4)); // MAGICAL VALUE FROM MinecraftServer

        this.networkManager.handle(new PacketStatusOutServerInfo(ping), new GenericFutureListener[0]);
        // CraftBukkit end
    }

    public void a(PacketStatusInPing packetstatusinping) {
        this.networkManager.handle(new PacketStatusOutPong(packetstatusinping.c()), new GenericFutureListener[0]);
    }
}