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new event TabCompleteRequestEvent and deprecate TabCompleteEvent

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This commit is contained in:
Marc Baloup 2020-06-21 21:49:31 +02:00
parent 211753cc33
commit 53b54d300f
3 changed files with 114 additions and 17 deletions
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2
api/src/main/java/net/md_5/bungee/api/event/TabCompleteEvent.java
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@ -9,7 +9,9 @@ import net.md_5.bungee.api.plugin.Cancellable;
/**
* Event called when a player uses tab completion.
* @deprecated please use {@link TabCompleteRequestEvent} to support 1.13+ suggestions.
*/
@Deprecated
@Data
@ToString(callSuper = true)
@EqualsAndHashCode(callSuper = true)

85
api/src/main/java/net/md_5/bungee/api/event/TabCompleteRequestEvent.java Normal file
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@ -0,0 +1,85 @@
package net.md_5.bungee.api.event;
import com.google.common.base.Preconditions;
import com.mojang.brigadier.context.StringRange;
import com.mojang.brigadier.suggestion.Suggestions;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import net.md_5.bungee.api.connection.Connection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.plugin.Cancellable;
import net.md_5.bungee.protocol.ProtocolConstants;
/**
* Event called when a player uses tab completion.
*/
@Data
@ToString(callSuper = true)
@EqualsAndHashCode(callSuper = true)
public class TabCompleteRequestEvent extends TargetedEvent implements Cancellable
{
/**
* Cancelled state.
*/
private boolean cancelled;
/**
* The message the player has already entered.
*/
private final String cursor;
/**
* Range corresponding to the last word of {@link #getCursor()}.
* If you want your suggestions to be compatible with 1.12 and older
* clients, you need to {@link #setSuggestions(Suggestions)} with
* a range equals to this one.
* For 1.13 and newer clients, any other range that cover any part of
* {@link #getCursor()} is fine.<br>
* To check if the client supports custom ranges, use
* {@link #supportsCustomRange()}.
*/
private final StringRange legacyCompatibleRange;
/**
* The suggestions that will be sent to the client. If this list is empty,
* the request will be forwarded to the server.
*/
private Suggestions suggestions;
public TabCompleteRequestEvent(Connection sender, Connection receiver, String cursor, StringRange legacyCompatibleRange, Suggestions suggestions)
{
super( sender, receiver );
this.cursor = cursor;
this.legacyCompatibleRange = legacyCompatibleRange;
this.suggestions = suggestions;
}
/**
* Sets the suggestions that will be sent to the client.
* If this list is empty, the request will be forwarded to the server.
* @param suggestions the new Suggestions. Cannot be null.
* @throws IllegalArgumentException if the client is on 1.12 or lower and
* {@code suggestions.getRange()} is not equals to {@link #legacyCompatibleRange}.
*/
public void setSuggestions(Suggestions suggestions)
{
Preconditions.checkNotNull( suggestions );
Preconditions.checkArgument( supportsCustomRange() || legacyCompatibleRange.equals( suggestions.getRange() ),
"Clients on 1.12 or lower versions don't support the provided range for tab-completion: " + suggestions.getRange()
+ ". Please use TabCompleteRequestEvent.getLegacyCompatibleRange() for legacy clients." );
this.suggestions = suggestions;
}
/**
* Convenient method to tell if the client supports custom range for
* suggestions.
* If the client is on 1.13 or above, this methods returns true, and any
* range can be used for {@link #setSuggestions(Suggestions)}. Otherwise,
* it returns false and the defined range must be equals to
* {@link #legacyCompatibleRange}.
* @return true if the client is on 1.13 or newer version, false otherwise.
*/
public boolean supportsCustomRange()
{
return ( (ProxiedPlayer) getSender() ).getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_13;
}
}

44
proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
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@ -6,7 +6,6 @@ import com.mojang.brigadier.suggestion.Suggestion;
import com.mojang.brigadier.suggestion.Suggestions;
import io.netty.channel.Channel;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import net.md_5.bungee.BungeeCord;
@ -21,6 +20,7 @@ import net.md_5.bungee.api.event.PlayerDisconnectEvent;
import net.md_5.bungee.api.event.PluginMessageEvent;
import net.md_5.bungee.api.event.SettingsChangedEvent;
import net.md_5.bungee.api.event.TabCompleteEvent;
import net.md_5.bungee.api.event.TabCompleteRequestEvent;
import net.md_5.bungee.entitymap.EntityMap;
import net.md_5.bungee.forge.ForgeConstants;
import net.md_5.bungee.netty.ChannelWrapper;
@ -242,32 +242,42 @@ public class UpstreamBridge extends PacketHandler
TabCompleteEvent tabCompleteEvent = new TabCompleteEvent( con, con.getServer(), tabComplete.getCursor(), suggestions );
bungee.getPluginManager().callEvent( tabCompleteEvent );
if ( tabCompleteEvent.isCancelled() )
List<String> legacyResults = tabCompleteEvent.getSuggestions();
int start = tabComplete.getCursor().lastIndexOf( ' ' ) + 1;
int end = tabComplete.getCursor().length();
StringRange lastArgumentRange = StringRange.between( start, end );
List<Suggestion> brigadier = new ArrayList<>( legacyResults.size() );
for ( String s : legacyResults )
{
brigadier.add( new Suggestion( lastArgumentRange, s ) );
}
TabCompleteRequestEvent tabCompleteRequestEvent = new TabCompleteRequestEvent( con, con.getServer(), tabComplete.getCursor(), lastArgumentRange, new Suggestions( lastArgumentRange, brigadier ) );
tabCompleteRequestEvent.setCancelled( tabCompleteEvent.isCancelled() );
bungee.getPluginManager().callEvent( tabCompleteRequestEvent );
if ( tabCompleteRequestEvent.isCancelled() )
{
throw CancelSendSignal.INSTANCE;
}
List<String> results = tabCompleteEvent.getSuggestions();
if ( !results.isEmpty() )
Suggestions brigadierResults = tabCompleteRequestEvent.getSuggestions();
if ( !brigadierResults.isEmpty() )
{
// Unclear how to handle 1.13 commands at this point. Because we don't inject into the command packets we are unlikely to get this far unless
// Bungee plugins are adding results for commands they don't own anyway
if ( con.getPendingConnection().getVersion() < ProtocolConstants.MINECRAFT_1_13 )
{
List<String> results = new ArrayList<>( brigadierResults.getList().size() );
for ( Suggestion s : brigadierResults.getList() )
{
results.add( s.getText() );
}
con.unsafe().sendPacket( new TabCompleteResponse( results ) );
} else
{
int start = tabComplete.getCursor().lastIndexOf( ' ' ) + 1;
int end = tabComplete.getCursor().length();
StringRange range = StringRange.between( start, end );
List<Suggestion> brigadier = new LinkedList<>();
for ( String s : results )
{
brigadier.add( new Suggestion( range, s ) );
}
con.unsafe().sendPacket( new TabCompleteResponse( tabComplete.getTransactionId(), new Suggestions( range, brigadier ) ) );
con.unsafe().sendPacket( new TabCompleteResponse( tabComplete.getTransactionId(), brigadierResults ) );
}
throw CancelSendSignal.INSTANCE;
}