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Code Issues Releases Activity

Added a way to handle packets easily. ProtocolSupport support fixed

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This commit is contained in:
Tim203
2021-04-23 00:47:14 +02:00
parent 63b6e56a0d
commit c722c8e8c8
14 changed files with 561 additions and 26 deletions
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43
api/src/main/java/org/geysermc/floodgate/api/packet/PacketHandler.java Normal file
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/*
* Copyright (c) 2019-2021 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/Floodgate
*/
package org.geysermc.floodgate.api.packet;
import io.netty.channel.ChannelHandlerContext;
/**
* For advanced users only! You shouldn't play with this unless you know what you're doing.
*/
public interface PacketHandler {
/**
* Called when a registered packet has been seen.
*
* @param ctx the channel handler context of the connection
* @param packet the packet instance
* @param serverbound if the packet is serverbound
* @return the packet it should forward. Can be null or a different packet / instance
*/
Object handle(ChannelHandlerContext ctx, Object packet, boolean serverbound);
}

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api/src/main/java/org/geysermc/floodgate/api/packet/PacketHandlers.java Normal file
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/*
* Copyright (c) 2019-2021 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/Floodgate
*/
package org.geysermc.floodgate.api.packet;
import io.netty.channel.ChannelHandlerContext;
import org.geysermc.floodgate.api.util.TriFunction;
public interface PacketHandlers {
/**
* Register a specific class for a specific consumer.
*
* @param handler the packet handler instance
* @param packetClass the class to start listening for
* @param consumer the consumer to call once the packet has been seen
*/
void register(
PacketHandler handler,
Class<?> packetClass,
TriFunction<ChannelHandlerContext, Object, Boolean, Object> consumer);
/**
* Register a specific class for the given packet handler's {@link
* PacketHandler#handle(ChannelHandlerContext, Object, boolean)}.
*
* @param handler the packet handler instance
* @param packetClass the class to start listening for
*/
default void register(PacketHandler handler, Class<?> packetClass) {
register(handler, packetClass, handler::handle);
}
/**
* Register every packet for the given packet handler's {@link PacketHandler#handle(ChannelHandlerContext,
* Object, boolean)}
*/
void registerAll(PacketHandler handler);
/**
* Unregisters all handlers registered under the given packet handler
*
* @param handler the packet handler instance
*/
void deregister(PacketHandler handler);
}

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api/src/main/java/org/geysermc/floodgate/api/util/TriFunction.java Normal file
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/*
* Copyright (c) 2019-2021 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/Floodgate
*/
package org.geysermc.floodgate.api.util;
import java.util.Objects;
import java.util.function.Function;
/**
* Represents a function that accepts three arguments and produces a result. This is the three-arity
* specialization of {@link Function}.
*
* <p>This is a <a href="package-summary.html">functional interface</a>
* whose functional method is {@link #apply(Object, Object, Object)}.
*
* @param <T> the type of the first argument to the function
* @param <U> the type of the second argument to the function
* @param <V> the type of the third argument of the function
* @param <R> the type of the result of the function
* @see Function
* @since 1.8
*/
@FunctionalInterface
public interface TriFunction<T, U, V, R> {
/**
* Performs this operation on the given arguments.
*
* @param t the first input argument
* @param u the second input argument
* @param v the third input argument
*/
R apply(T t, U u, V v);
/**
* Returns a composed function that first applies this function to its input, and then applies
* the {@code after} function to the result. If evaluation of either function throws an
* exception, it is relayed to the caller of the composed function.
*
* @param <S> the type of output of the {@code after} function, and of the composed function
* @param after the function to apply after this function is applied
* @return a composed function that first applies this function and then applies the {@code
* after} function
* @throws NullPointerException if after is null
*/
default <S> TriFunction<T, U, V, S> andThen(Function<? super R, ? extends S> after) {
Objects.requireNonNull(after);
return (T t, U u, V v) -> after.apply(apply(t, u, v));
}
}