71 lines
2.4 KiB
Java
71 lines
2.4 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_19_R2;
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import me.filoghost.fcommons.Strings;
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import net.minecraft.network.chat.IChatBaseComponent;
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import org.bukkit.craftbukkit.v1_19_R2.inventory.CraftItemStack;
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import org.bukkit.craftbukkit.v1_19_R2.util.CraftChatMessage;
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import org.bukkit.inventory.ItemStack;
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import java.util.Optional;
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abstract class DataWatcherPacketBuilder<T> {
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private static final int MAX_CUSTOM_NAME_LENGTH = 5000;
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private final PacketByteBuffer packetByteBuffer;
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DataWatcherPacketBuilder(PacketByteBuffer packetByteBuffer) {
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this.packetByteBuffer = packetByteBuffer;
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}
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DataWatcherPacketBuilder<T> setInvisible() {
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packetByteBuffer.writeDataWatcherEntry(DataWatcherKey.ENTITY_STATUS, (byte) 0x20); // Invisible
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return this;
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}
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DataWatcherPacketBuilder<T> setArmorStandMarker() {
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setInvisible();
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packetByteBuffer.writeDataWatcherEntry(
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DataWatcherKey.ARMOR_STAND_STATUS, (byte) (0x01 | 0x02 | 0x08 | 0x10)); // Small, no gravity, no base plate, marker
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return this;
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}
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DataWatcherPacketBuilder<T> setCustomName(String customName) {
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packetByteBuffer.writeDataWatcherEntry(DataWatcherKey.CUSTOM_NAME, getCustomNameDataWatcherValue(customName));
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packetByteBuffer.writeDataWatcherEntry(DataWatcherKey.CUSTOM_NAME_VISIBILITY, !Strings.isEmpty(customName));
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return this;
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}
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private Optional<IChatBaseComponent> getCustomNameDataWatcherValue(String customName) {
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customName = Strings.truncate(customName, MAX_CUSTOM_NAME_LENGTH);
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if (!Strings.isEmpty(customName)) {
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return Optional.of(CraftChatMessage.fromString(customName, false, true)[0]);
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} else {
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return Optional.empty();
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}
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}
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DataWatcherPacketBuilder<T> setItemStack(ItemStack itemStack) {
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packetByteBuffer.writeDataWatcherEntry(DataWatcherKey.ITEM_STACK, CraftItemStack.asNMSCopy(itemStack));
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return this;
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}
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DataWatcherPacketBuilder<T> setSlimeSmall() {
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packetByteBuffer.writeDataWatcherEntry(DataWatcherKey.SLIME_SIZE, 1);
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return this;
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}
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T build() {
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packetByteBuffer.writeDataWatcherEntriesEnd();
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return createPacket(packetByteBuffer);
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}
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abstract T createPacket(PacketByteBuffer packetByteBuffer);
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}
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