306 lines
9.2 KiB
Java
306 lines
9.2 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viaversion.legacy.bossbar;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.MapMaker;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.legacy.bossbar.BossBar;
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import com.viaversion.viaversion.api.legacy.bossbar.BossColor;
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import com.viaversion.viaversion.api.legacy.bossbar.BossFlag;
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import com.viaversion.viaversion.api.legacy.bossbar.BossStyle;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.protocols.protocol1_9to1_8.ClientboundPackets1_9;
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import com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.EnumSet;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import java.util.logging.Level;
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public class CommonBoss implements BossBar {
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private final UUID uuid;
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private final Map<UUID, UserConnection> connections;
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private final Set<BossFlag> flags;
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private String title;
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private float health;
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private BossColor color;
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private BossStyle style;
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private boolean visible;
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public CommonBoss(String title, float health, BossColor color, BossStyle style) {
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Preconditions.checkNotNull(title, "Title cannot be null");
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Preconditions.checkArgument((health >= 0 && health <= 1), "Health must be between 0 and 1. Input: " + health);
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this.uuid = UUID.randomUUID();
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this.title = title;
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this.health = health;
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this.color = color == null ? BossColor.PURPLE : color;
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this.style = style == null ? BossStyle.SOLID : style;
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this.connections = new MapMaker().weakValues().makeMap();
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this.flags = EnumSet.noneOf(BossFlag.class);
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this.visible = true;
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}
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@Override
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public BossBar setTitle(String title) {
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Preconditions.checkNotNull(title);
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this.title = title;
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sendPacket(CommonBoss.UpdateAction.UPDATE_TITLE);
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return this;
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}
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@Override
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public BossBar setHealth(float health) {
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Preconditions.checkArgument((health >= 0 && health <= 1), "Health must be between 0 and 1. Input: " + health);
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this.health = health;
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sendPacket(CommonBoss.UpdateAction.UPDATE_HEALTH);
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return this;
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}
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@Override
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public BossColor getColor() {
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return color;
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}
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@Override
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public BossBar setColor(BossColor color) {
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Preconditions.checkNotNull(color);
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this.color = color;
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sendPacket(CommonBoss.UpdateAction.UPDATE_STYLE);
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return this;
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}
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@Override
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public BossBar setStyle(BossStyle style) {
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Preconditions.checkNotNull(style);
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this.style = style;
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sendPacket(CommonBoss.UpdateAction.UPDATE_STYLE);
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return this;
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}
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@Override
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public BossBar addPlayer(UUID player) {
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UserConnection client = Via.getManager().getConnectionManager().getConnectedClient(player);
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if (client != null) {
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addConnection(client);
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}
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return this;
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}
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@Override
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public BossBar addConnection(UserConnection conn) {
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if (connections.put(conn.getProtocolInfo().getUuid(), conn) == null && visible) {
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sendPacketConnection(conn, getPacket(CommonBoss.UpdateAction.ADD, conn));
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}
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return this;
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}
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@Override
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public BossBar removePlayer(UUID uuid) {
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UserConnection client = connections.remove(uuid);
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if (client != null) {
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sendPacketConnection(client, getPacket(UpdateAction.REMOVE, client));
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}
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return this;
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}
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@Override
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public BossBar removeConnection(UserConnection conn) {
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removePlayer(conn.getProtocolInfo().getUuid());
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return this;
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}
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@Override
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public BossBar addFlag(BossFlag flag) {
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Preconditions.checkNotNull(flag);
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if (!hasFlag(flag)) {
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flags.add(flag);
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}
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sendPacket(CommonBoss.UpdateAction.UPDATE_FLAGS);
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return this;
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}
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@Override
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public BossBar removeFlag(BossFlag flag) {
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Preconditions.checkNotNull(flag);
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if (hasFlag(flag)) {
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flags.remove(flag);
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}
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sendPacket(CommonBoss.UpdateAction.UPDATE_FLAGS);
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return this;
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}
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@Override
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public boolean hasFlag(BossFlag flag) {
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Preconditions.checkNotNull(flag);
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return flags.contains(flag);
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}
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@Override
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public Set<UUID> getPlayers() {
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return Collections.unmodifiableSet(connections.keySet());
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}
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@Override
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public Set<UserConnection> getConnections() {
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return Collections.unmodifiableSet(new HashSet<>(connections.values()));
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}
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@Override
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public BossBar show() {
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setVisible(true);
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return this;
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}
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@Override
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public BossBar hide() {
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setVisible(false);
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return this;
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}
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@Override
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public boolean isVisible() {
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return visible;
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}
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private void setVisible(boolean value) {
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if (visible != value) {
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visible = value;
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sendPacket(value ? CommonBoss.UpdateAction.ADD : CommonBoss.UpdateAction.REMOVE);
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}
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}
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@Override
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public UUID getId() {
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return uuid;
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}
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public UUID getUuid() {
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return uuid;
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}
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@Override
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public String getTitle() {
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return title;
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}
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@Override
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public float getHealth() {
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return health;
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}
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@Override
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public BossStyle getStyle() {
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return style;
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}
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public Set<BossFlag> getFlags() {
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return flags;
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}
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private void sendPacket(UpdateAction action) {
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for (UserConnection conn : new ArrayList<>(connections.values())) {
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PacketWrapper wrapper = getPacket(action, conn);
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sendPacketConnection(conn, wrapper);
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}
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}
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private void sendPacketConnection(UserConnection conn, PacketWrapper wrapper) {
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if (conn.getProtocolInfo() == null || !conn.getProtocolInfo().getPipeline().contains(Protocol1_9To1_8.class)) {
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connections.remove(conn.getProtocolInfo().getUuid());
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return;
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}
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try {
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wrapper.scheduleSend(Protocol1_9To1_8.class);
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} catch (Exception e) {
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Via.getPlatform().getLogger().log(Level.WARNING, "Failed to send bossbar packet", e);
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}
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}
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private PacketWrapper getPacket(UpdateAction action, UserConnection connection) {
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try {
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PacketWrapper wrapper = PacketWrapper.create(ClientboundPackets1_9.BOSSBAR, null, connection);
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wrapper.write(Type.UUID, uuid);
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wrapper.write(Type.VAR_INT, action.getId());
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switch (action) {
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case ADD:
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Protocol1_9To1_8.FIX_JSON.write(wrapper, title);
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wrapper.write(Type.FLOAT, health);
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wrapper.write(Type.VAR_INT, color.getId());
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wrapper.write(Type.VAR_INT, style.getId());
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wrapper.write(Type.BYTE, (byte) flagToBytes());
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break;
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case REMOVE:
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break;
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case UPDATE_HEALTH:
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wrapper.write(Type.FLOAT, health);
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break;
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case UPDATE_TITLE:
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Protocol1_9To1_8.FIX_JSON.write(wrapper, title);
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break;
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case UPDATE_STYLE:
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wrapper.write(Type.VAR_INT, color.getId());
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wrapper.write(Type.VAR_INT, style.getId());
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break;
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case UPDATE_FLAGS:
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wrapper.write(Type.BYTE, (byte) flagToBytes());
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break;
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}
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return wrapper;
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} catch (Exception e) {
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Via.getPlatform().getLogger().log(Level.WARNING, "Failed to create bossbar packet", e);
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}
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return null;
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}
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private int flagToBytes() {
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int bitmask = 0;
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for (BossFlag flag : flags) {
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bitmask |= flag.getId();
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}
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return bitmask;
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}
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private enum UpdateAction {
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ADD(0),
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REMOVE(1),
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UPDATE_HEALTH(2),
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UPDATE_TITLE(3),
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UPDATE_STYLE(4),
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UPDATE_FLAGS(5);
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private final int id;
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UpdateAction(int id) {
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this.id = id;
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}
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public int getId() {
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return id;
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}
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}
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}
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