200 lines
7.9 KiB
Java
200 lines
7.9 KiB
Java
package net.citizensnpcs.nms.v1_15_R1.util;
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import java.lang.invoke.MethodHandle;
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import java.util.Map;
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import java.util.Set;
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import org.bukkit.Bukkit;
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import org.bukkit.entity.EntityType;
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import org.bukkit.entity.Player;
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import com.google.common.collect.ForwardingMap;
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import com.google.common.collect.ForwardingSet;
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import net.citizensnpcs.Settings.Setting;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.event.NPCLinkToPlayerEvent;
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import net.citizensnpcs.api.event.NPCSeenByPlayerEvent;
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import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.nms.v1_15_R1.entity.EntityHumanNPC;
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import net.citizensnpcs.npc.ai.NPCHolder;
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import net.citizensnpcs.util.NMS;
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import net.minecraft.server.v1_15_R1.Entity;
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import net.minecraft.server.v1_15_R1.EntityPlayer;
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import net.minecraft.server.v1_15_R1.EntityTrackerEntry;
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import net.minecraft.server.v1_15_R1.PacketPlayOutAnimation;
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import net.minecraft.server.v1_15_R1.PlayerChunkMap;
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import net.minecraft.server.v1_15_R1.PlayerChunkMap.EntityTracker;
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public class PlayerlistTracker extends PlayerChunkMap.EntityTracker {
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private final Entity tracker;
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private Map<EntityPlayer, Boolean> trackingMap;
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public PlayerlistTracker(PlayerChunkMap map, Entity entity, int i, int j, boolean flag) {
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map.super(entity, i, j, flag);
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this.tracker = entity;
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if (TRACKING_MAP_SETTER != null) {
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try {
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Map<EntityPlayer, Boolean> delegate = (Map<EntityPlayer, Boolean>) TRACKING_MAP_GETTER.invoke(this);
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trackingMap = delegate;
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TRACKING_MAP_SETTER.invoke(this, new ForwardingMap<EntityPlayer, Boolean>() {
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@Override
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protected Map<EntityPlayer, Boolean> delegate() {
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return delegate;
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}
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@Override
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public Boolean put(EntityPlayer player, Boolean value) {
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Boolean res = super.put(player, value);
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if (res == null) {
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updateLastPlayer(player);
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}
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return res;
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}
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});
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} catch (Throwable e) {
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e.printStackTrace();
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}
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} else {
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try {
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Set<EntityPlayer> delegate = super.trackedPlayers;
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TRACKING_SET_SETTER.invoke(this, new ForwardingSet<EntityPlayer>() {
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@Override
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public boolean add(EntityPlayer player) {
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boolean res = super.add(player);
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if (res) {
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updateLastPlayer(player);
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}
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return res;
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}
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@Override
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protected Set<EntityPlayer> delegate() {
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return delegate;
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}
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});
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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}
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public PlayerlistTracker(PlayerChunkMap map, EntityTracker entry) {
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this(map, getTracker(entry), getTrackingDistance(entry), getD(entry), getE(entry));
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}
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private boolean isTracked(EntityPlayer player) {
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return trackingMap != null ? trackingMap.containsKey(player) : trackedPlayers.contains(player);
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}
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public void updateLastPlayer(EntityPlayer lastUpdatedPlayer) {
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if (lastUpdatedPlayer != null) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
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() -> Bukkit.getPluginManager().callEvent(new NPCLinkToPlayerEvent(((NPCHolder) tracker).getNPC(),
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lastUpdatedPlayer.getBukkitEntity())));
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}
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if (tracker.dead || lastUpdatedPlayer == null || tracker.getBukkitEntity().getType() != EntityType.PLAYER)
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return;
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final EntityPlayer entityplayer = lastUpdatedPlayer;
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NMS.sendTabListAdd(entityplayer.getBukkitEntity(), (Player) tracker.getBukkitEntity());
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NPC npc = ((NPCHolder) tracker).getNPC();
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if (npc.data().get(NPC.Metadata.RESET_YAW_ON_SPAWN, Setting.RESET_YAW_ON_SPAWN.asBoolean())) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
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() -> NMSImpl.sendPacket(entityplayer.getBukkitEntity(), new PacketPlayOutAnimation(tracker, 0)),
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1);
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}
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if (!Setting.DISABLE_TABLIST.asBoolean())
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return;
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
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() -> NMS.sendTabListRemove(entityplayer.getBukkitEntity(), (Player) tracker.getBukkitEntity()),
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Setting.TABLIST_REMOVE_PACKET_DELAY.asTicks());
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}
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@Override
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public void updatePlayer(final EntityPlayer entityplayer) {
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if (entityplayer instanceof EntityHumanNPC)
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return;
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if (!isTracked(entityplayer) && tracker instanceof NPCHolder) {
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NPC npc = ((NPCHolder) tracker).getNPC();
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NPCSeenByPlayerEvent event = new NPCSeenByPlayerEvent(npc, entityplayer.getBukkitEntity());
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Bukkit.getPluginManager().callEvent(event);
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if (event.isCancelled())
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return;
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Integer trackingRange = npc.data().<Integer> get(NPC.Metadata.TRACKING_RANGE);
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if (TRACKING_RANGE_SETTER != null && trackingRange != null
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&& npc.data().get("last-tracking-range", -1) != trackingRange.intValue()) {
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try {
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TRACKING_RANGE_SETTER.invoke(this, trackingRange);
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npc.data().set("last-tracking-range", trackingRange);
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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}
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super.updatePlayer(entityplayer);
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}
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private static int getD(EntityTracker entry) {
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try {
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return (int) D.invoke(TRACKER_ENTRY.invoke(entry));
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return 0;
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}
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private static boolean getE(EntityTracker entry) {
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try {
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return (boolean) E.invoke(TRACKER_ENTRY.invoke(entry));
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return false;
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}
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private static Entity getTracker(EntityTracker entry) {
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try {
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return (Entity) TRACKER.invoke(entry);
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return null;
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}
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private static int getTrackingDistance(EntityTracker entry) {
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try {
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return (Integer) TRACKING_RANGE.invoke(entry);
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return 0;
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}
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private static final MethodHandle D = NMS.getGetter(EntityTrackerEntry.class, "d");
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private static final MethodHandle E = NMS.getGetter(EntityTrackerEntry.class, "e");
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private static final MethodHandle TRACKER = NMS.getGetter(EntityTracker.class, "tracker");
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private static final MethodHandle TRACKER_ENTRY = NMS.getGetter(EntityTracker.class, "trackerEntry");
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private static MethodHandle TRACKING_MAP_GETTER;
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private static MethodHandle TRACKING_MAP_SETTER;
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private static final MethodHandle TRACKING_RANGE = NMS.getGetter(EntityTracker.class, "trackingDistance");
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private static final MethodHandle TRACKING_RANGE_SETTER = NMS.getFirstFinalSetter(EntityTracker.class, int.class);
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private static final MethodHandle TRACKING_SET_SETTER = NMS.getFirstFinalSetter(EntityTracker.class, Set.class);
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static {
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try {
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// Old paper versions override the tracked player set to be a map
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if (EntityTracker.class.getField("trackedPlayerMap") != null) {
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TRACKING_MAP_SETTER = NMS.getFirstSetter(EntityTracker.class, Map.class);
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TRACKING_MAP_GETTER = NMS.getFirstGetter(EntityTracker.class, Map.class);
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}
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} catch (Exception e) {
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}
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}
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}
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