forked from GeyserMC/Geyser
108 lines
4.7 KiB
Java
108 lines
4.7 KiB
Java
/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.platform.sponge;
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import com.github.steveice10.mc.protocol.MinecraftConstants;
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import org.geysermc.connector.common.ping.GeyserPingInfo;
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import org.geysermc.connector.ping.IGeyserPingPassthrough;
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import org.spongepowered.api.MinecraftVersion;
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import org.spongepowered.api.Sponge;
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import org.spongepowered.api.event.SpongeEventFactory;
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import org.spongepowered.api.event.cause.Cause;
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import org.spongepowered.api.event.cause.EventContext;
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import org.spongepowered.api.event.server.ClientPingServerEvent;
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import org.spongepowered.api.network.status.StatusClient;
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import org.spongepowered.api.profile.GameProfile;
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import java.lang.reflect.Method;
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import java.net.Inet4Address;
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import java.net.InetSocketAddress;
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import java.util.Optional;
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public class GeyserSpongePingPassthrough implements IGeyserPingPassthrough {
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private static final GeyserStatusClient STATUS_CLIENT = new GeyserStatusClient();
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private static final Cause CAUSE = Cause.of(EventContext.empty(), Sponge.getServer());
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private static Method SpongeStatusResponse_create;
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@SuppressWarnings({"unchecked", "rawtypes"})
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@Override
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public GeyserPingInfo getPingInformation() {
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// come on Sponge, this is in commons, why not expose it :(
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ClientPingServerEvent event;
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try {
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if(SpongeStatusResponse_create == null) {
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Class SpongeStatusResponse = Class.forName("org.spongepowered.common.network.status.SpongeStatusResponse");
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Class MinecraftServer = Class.forName("net.minecraft.server.MinecraftServer");
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SpongeStatusResponse_create = SpongeStatusResponse.getDeclaredMethod("create", MinecraftServer);
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}
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Object response = SpongeStatusResponse_create.invoke(null, Sponge.getServer());
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event = SpongeEventFactory.createClientPingServerEvent(CAUSE, STATUS_CLIENT, (ClientPingServerEvent.Response) response);
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} catch (ReflectiveOperationException e) {
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throw new RuntimeException(e);
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}
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Sponge.getEventManager().post(event);
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GeyserPingInfo geyserPingInfo = new GeyserPingInfo(
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event.getResponse().getDescription().toPlain(),
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new GeyserPingInfo.Players(
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event.getResponse().getPlayers().orElseThrow(IllegalStateException::new).getMax(),
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event.getResponse().getPlayers().orElseThrow(IllegalStateException::new).getOnline()
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),
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new GeyserPingInfo.Version(
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event.getResponse().getVersion().getName(),
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MinecraftConstants.PROTOCOL_VERSION) // thanks for also not exposing this sponge
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);
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event.getResponse().getPlayers().get().getProfiles().stream()
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.map(GameProfile::getName)
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.map(op -> op.orElseThrow(IllegalStateException::new))
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.forEach(geyserPingInfo.getPlayerList()::add);
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return geyserPingInfo;
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}
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@SuppressWarnings("NullableProblems")
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private static class GeyserStatusClient implements StatusClient {
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private static final InetSocketAddress FAKE_REMOTE = new InetSocketAddress(Inet4Address.getLoopbackAddress(), 69);
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@Override
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public InetSocketAddress getAddress() {
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return FAKE_REMOTE;
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}
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@Override
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public MinecraftVersion getVersion() {
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return Sponge.getPlatform().getMinecraftVersion();
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}
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@Override
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public Optional<InetSocketAddress> getVirtualHost() {
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return Optional.empty();
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}
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}
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}
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