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Add SessionJoinEvent and SessionLoginEvent (#3840)

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chris 2023-06-17 03:46:32 +02:00 committed by GitHub
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4 changed files with 169 additions and 1 deletions
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39
api/src/main/java/org/geysermc/geyser/api/event/bedrock/SessionJoinEvent.java Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2019-2023 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.api.event.bedrock;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.geysermc.geyser.api.connection.GeyserConnection;
import org.geysermc.geyser.api.event.connection.ConnectionEvent;
/**
* Called when Geyser session connected to a Java remote server and is in a play-ready state.
*/
public final class SessionJoinEvent extends ConnectionEvent {
public SessionJoinEvent(@NonNull GeyserConnection connection) {
super(connection);
}
}

109
api/src/main/java/org/geysermc/geyser/api/event/bedrock/SessionLoginEvent.java Normal file
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@ -0,0 +1,109 @@
/*
* Copyright (c) 2019-2023 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.api.event.bedrock;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.geysermc.event.Cancellable;
import org.geysermc.geyser.api.connection.GeyserConnection;
import org.geysermc.geyser.api.event.connection.ConnectionEvent;
import org.geysermc.geyser.api.network.RemoteServer;
/**
* Called when a session has logged in, and is about to connect to a remote java server.
* This event is cancellable, and can be used to prevent the player from connecting to the remote server.
*/
public final class SessionLoginEvent extends ConnectionEvent implements Cancellable {
private RemoteServer remoteServer;
private boolean cancelled;
private String disconnectReason;
public SessionLoginEvent(@NonNull GeyserConnection connection, @NonNull RemoteServer remoteServer) {
super(connection);
this.remoteServer = remoteServer;
}
/**
* Returns whether the event is cancelled.
*
* @return The cancel status of the event.
*/
@Override
public boolean isCancelled() {
return this.cancelled;
}
/**
* Cancels the login event, and disconnects the player.
* If cancelled, the player disconnects without connecting to the remote server.
* This method will use a default disconnect reason. To specify one, use {@link #setCancelled(boolean, String)}.
*
* @param cancelled If the login event should be cancelled.
*/
@Override
public void setCancelled(boolean cancelled) {
this.cancelled = cancelled;
}
/**
* Cancels the login event, and disconnects the player with the specified reason.
* If cancelled, the player disconnects without connecting to the remote server.
*
* @param cancelled If the login event should be cancelled.
* @param disconnectReason The reason for the cancellation.
*/
public void setCancelled(boolean cancelled, @NonNull String disconnectReason) {
this.cancelled = cancelled;
this.disconnectReason = disconnectReason;
}
/**
* Returns the reason for the cancellation, or null if there is no reason given.
*
* @return The reason for the cancellation.
*/
public @Nullable String disconnectReason() {
return this.disconnectReason;
}
/**
* Gets the {@link RemoteServer} the section will attempt to connect to.
*
* @return the {@link RemoteServer} the section will attempt to connect to.
*/
public @NonNull RemoteServer remoteServer() {
return this.remoteServer;
}
/**
* Sets the {@link RemoteServer} to connect the session to.
*
* @param remoteServer Sets the {@link RemoteServer} to connect to.
*/
public void remoteServer(@NonNull RemoteServer remoteServer) {
this.remoteServer = remoteServer;
}
}

18
core/src/main/java/org/geysermc/geyser/session/GeyserSession.java
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@ -56,7 +56,11 @@ import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.Server
import com.github.steveice10.mc.protocol.packet.login.serverbound.ServerboundCustomQueryPacket;
import com.github.steveice10.packetlib.BuiltinFlags;
import com.github.steveice10.packetlib.Session;
import com.github.steveice10.packetlib.event.session.*;
import com.github.steveice10.packetlib.event.session.ConnectedEvent;
import com.github.steveice10.packetlib.event.session.DisconnectedEvent;
import com.github.steveice10.packetlib.event.session.PacketErrorEvent;
import com.github.steveice10.packetlib.event.session.PacketSendingEvent;
import com.github.steveice10.packetlib.event.session.SessionAdapter;
import com.github.steveice10.packetlib.packet.Packet;
import com.github.steveice10.packetlib.tcp.TcpClientSession;
import com.github.steveice10.packetlib.tcp.TcpSession;
@ -82,6 +86,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
import org.checkerframework.common.value.qual.IntRange;
import org.cloudburstmc.math.vector.*;
import org.cloudburstmc.nbt.NbtMap;
import org.cloudburstmc.protocol.bedrock.BedrockDisconnectReasons;
import org.cloudburstmc.protocol.bedrock.BedrockServerSession;
import org.cloudburstmc.protocol.bedrock.data.*;
import org.cloudburstmc.protocol.bedrock.data.command.CommandEnumData;
@ -104,6 +109,7 @@ import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.api.connection.GeyserConnection;
import org.geysermc.geyser.api.entity.type.GeyserEntity;
import org.geysermc.geyser.api.entity.type.player.GeyserPlayerEntity;
import org.geysermc.geyser.api.event.bedrock.SessionLoginEvent;
import org.geysermc.geyser.api.network.AuthType;
import org.geysermc.geyser.api.network.RemoteServer;
import org.geysermc.geyser.command.GeyserCommandSource;
@ -879,6 +885,16 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
* After getting whatever credentials needed, we attempt to join the Java server.
*/
private void connectDownstream() {
SessionLoginEvent loginEvent = new SessionLoginEvent(this, remoteServer);
GeyserImpl.getInstance().eventBus().fire(loginEvent);
if (loginEvent.isCancelled()) {
String disconnectReason = loginEvent.disconnectReason() == null ?
BedrockDisconnectReasons.DISCONNECTED : loginEvent.disconnectReason();
disconnect(disconnectReason);
return;
}
this.remoteServer = loginEvent.remoteServer();
boolean floodgate = this.remoteServer.authType() == AuthType.FLOODGATE;
// Start ticking

4
core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockSetLocalPlayerAsInitializedTranslator.java
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@ -26,6 +26,8 @@
package org.geysermc.geyser.translator.protocol.bedrock;
import org.cloudburstmc.protocol.bedrock.packet.SetLocalPlayerAsInitializedPacket;
import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.api.event.bedrock.SessionJoinEvent;
import org.geysermc.geyser.api.network.AuthType;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
@ -68,6 +70,8 @@ public class BedrockSetLocalPlayerAsInitializedTranslator extends PacketTranslat
// What am I to expect - as of Bedrock 1.18
session.getFormCache().resendAllForms();
GeyserImpl.getInstance().eventBus().fire(new SessionJoinEvent(session));
}
}
}