/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* 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.
*/
package org.lanternpowered.server.network.vanilla.message.codec.play;
import com.flowpowered.math.vector.Vector3d;
import io.netty.handler.codec.CodecException;
import io.netty.handler.codec.DecoderException;
import org.lanternpowered.server.network.buffer.ByteBuffer;
import org.lanternpowered.server.network.message.codec.Codec;
import org.lanternpowered.server.network.message.codec.CodecContext;
import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInUseEntity;
import org.spongepowered.api.data.type.HandType;
import org.spongepowered.api.data.type.HandTypes;
public final class CodecPlayInUseEntity implements Codec<MessagePlayInUseEntity> {
@Override
public MessagePlayInUseEntity decode(CodecContext context, ByteBuffer buf) throws CodecException {
final int entityId = buf.readVarInt();
final int action = buf.readVarInt();
if (action == 1) {
return new MessagePlayInUseEntity.Attack(entityId);
} else if (action == 0 || action == 2) {
Vector3d position = null;
if (action == 2) {
final double x = buf.readFloat();
final double y = buf.readFloat();
final double z = buf.readFloat();
position = new Vector3d(x, y, z);
}
final HandType hand = buf.readVarInt() == 0 ? HandTypes.MAIN_HAND : HandTypes.OFF_HAND;
return new MessagePlayInUseEntity.Interact(entityId, hand, position);
} else {
throw new DecoderException("Recieved a UseEntity message with a unknown action: " + action);
}
}
}