96 lines
2.2 KiB
Java
96 lines
2.2 KiB
Java
/*
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* Copyright (C) filoghost and contributors
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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package me.filoghost.holographicdisplays.nms.v1_8_R3;
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import io.netty.buffer.Unpooled;
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import net.minecraft.server.v1_8_R3.ItemStack;
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import net.minecraft.server.v1_8_R3.Packet;
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import net.minecraft.server.v1_8_R3.PacketDataSerializer;
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import java.io.IOException;
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class PacketByteBuffer {
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private static final ThreadLocal<PacketByteBuffer> LOCAL_INSTANCE = ThreadLocal.withInitial(PacketByteBuffer::new);
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private final PacketDataSerializer serializer;
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static PacketByteBuffer get() {
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PacketByteBuffer instance = LOCAL_INSTANCE.get();
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instance.clear();
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return instance;
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}
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private PacketByteBuffer() {
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this.serializer = new PacketDataSerializer(Unpooled.buffer());
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}
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int readableBytes() {
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return serializer.readableBytes();
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}
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void readBytes(byte[] bytes) {
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serializer.readBytes(bytes);
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}
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void writeBoolean(boolean flag) {
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serializer.writeBoolean(flag);
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}
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void writeByte(byte b) {
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serializer.writeByte(b);
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}
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void writeByte(int i) {
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serializer.writeByte(i);
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}
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void writeShort(int i) {
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serializer.writeShort(i);
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}
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void writeInt(int i) {
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serializer.writeInt(i);
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}
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void writeVarInt(int i) {
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serializer.b(i);
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}
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void writeString(String s) {
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serializer.a(s);
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}
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void writeItemStack(ItemStack itemStack) {
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serializer.a(itemStack);
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}
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<T> void writeDataWatcherEntry(DataWatcherKey<T> key, T value) {
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int typeIDAndIndex = (key.getSerializer().getTypeID() << 5 | key.getIndex() & 0x1F) & 0xFF;
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serializer.writeByte(typeIDAndIndex);
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key.getSerializer().write(this, value);
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}
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void writeDataWatcherEntriesEnd() {
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serializer.writeByte(0x7F);
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}
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void clear() {
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serializer.clear();
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}
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<T extends Packet<?>> T writeDataTo(T packet) {
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try {
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packet.a(serializer);
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return packet;
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} catch (IOException e) {
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// Never thrown by the implementations
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throw new RuntimeException(e);
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}
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}
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}
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