/* * 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 io.netty.handler.codec.CodecException; import io.netty.util.AttributeKey; import org.lanternpowered.server.network.buffer.ByteBuffer; import org.lanternpowered.server.network.message.Message; import org.lanternpowered.server.network.message.NullMessage; 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.MessagePlayInLeaveBed; import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInPlayerSneak; import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInPlayerSprint; import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInPlayerVehicleJump; import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInRequestHorseInventory; import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayInStartElytraFlying; public final class CodecPlayInPlayerAction implements Codec<Message> { static final AttributeKey<Boolean> CANCEL_NEXT_JUMP_MESSAGE = AttributeKey.valueOf("cancel-next-jump-message"); @Override public Message decode(CodecContext context, ByteBuffer buf) throws CodecException { // Normally should this be the entity id, but only the // client player will send this, so it won't be used buf.readVarInt(); final int action = buf.readVarInt(); final int value = buf.readVarInt(); // Sneaking states if (action == 0 || action == 1) { return new MessagePlayInPlayerSneak(action == 0); // Sprinting states } else if (action == 3 || action == 4) { return new MessagePlayInPlayerSprint(action == 3); // Leave bed button is pressed } else if (action == 2) { return new MessagePlayInLeaveBed(); // Horse jump power action } else if (action == 5) { // Make sure that the vehicle movement message doesn't add the jump message as well context.getChannel().attr(CANCEL_NEXT_JUMP_MESSAGE).set(true); return new MessagePlayInPlayerVehicleJump(false, ((float) value) / 100f); } else if (action == 6) { // Open inventory, there is another message that sends this and this one will // be removed in 1.9, so ignoring it. return NullMessage.INSTANCE; } else if (action == 7) { return new MessagePlayInRequestHorseInventory(); } else if (action == 8) { return new MessagePlayInStartElytraFlying(); } throw new CodecException("Unknown action type: " + action); } }