50 lines
2.2 KiB
Java
50 lines
2.2 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 ViaVersion and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.viaversion.viaversion.api.type.types.version;
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import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
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import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_8;
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import com.viaversion.viaversion.api.type.types.minecraft.MetaTypeTemplate;
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import io.netty.buffer.ByteBuf;
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public class Metadata1_8Type extends MetaTypeTemplate {
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@Override
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public Metadata read(ByteBuf buffer) throws Exception {
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byte item = buffer.readByte();
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if (item == 127) return null; // end of metadata
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int typeID = (item & 0xE0) >> 5;
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MetaType1_8 type = MetaType1_8.byId(typeID);
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int id = item & 0x1F;
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return new Metadata(id, type, type.type().read(buffer));
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}
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@Override
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public void write(ByteBuf buffer, Metadata meta) throws Exception {
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byte item = (byte) (meta.metaType().typeId() << 5 | meta.id() & 0x1F);
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buffer.writeByte(item);
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meta.metaType().type().write(buffer, meta.getValue());
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}
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}
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