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PlayerlistTrackerEntry.java
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PlayerlistTrackerEntry.java
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package net.citizensnpcs.nms.v1_8_R3.util;
import java.lang.reflect.Field;
import org.bukkit.Bukkit;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import net.citizensnpcs.Settings.Setting;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.event.NPCSeenByPlayerEvent;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.nms.v1_8_R3.entity.EntityHumanNPC;
import net.citizensnpcs.npc.ai.NPCHolder;
import net.citizensnpcs.util.NMS;
import net.minecraft.server.v1_8_R3.Entity;
import net.minecraft.server.v1_8_R3.EntityPlayer;
import net.minecraft.server.v1_8_R3.EntityTrackerEntry;
import net.minecraft.server.v1_8_R3.PacketPlayOutAnimation;
public class PlayerlistTrackerEntry extends EntityTrackerEntry {
private EntityPlayer lastUpdatedPlayer;
public PlayerlistTrackerEntry(Entity entity, int i, int j, boolean flag) {
super(entity, i, j, flag);
}
public PlayerlistTrackerEntry(EntityTrackerEntry entry) {
this(entry.tracker, getB(entry), getC(entry), getU(entry));
}
public boolean isUpdating() {
return lastUpdatedPlayer != null;
}
public void updateLastPlayer() {
if ((lastUpdatedPlayer == null) || tracker.dead || tracker.getBukkitEntity().getType() != EntityType.PLAYER)
return;
final EntityPlayer entityplayer = lastUpdatedPlayer;
NMS.sendTabListAdd(entityplayer.getBukkitEntity(), (Player) tracker.getBukkitEntity());
lastUpdatedPlayer = null;
NPC npc = ((NPCHolder) tracker).getNPC();
if (npc.data().get(NPC.Metadata.RESET_YAW_ON_SPAWN, Setting.RESET_YAW_ON_SPAWN.asBoolean())) {
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
() -> NMSImpl.sendPacket(entityplayer.getBukkitEntity(), new PacketPlayOutAnimation(tracker, 0)),
1);
}
if (!Setting.DISABLE_TABLIST.asBoolean())
return;
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
NMS.sendTabListRemove(entityplayer.getBukkitEntity(), (Player) tracker.getBukkitEntity());
}, Setting.TABLIST_REMOVE_PACKET_DELAY.asTicks());
}
@Override
public void updatePlayer(final EntityPlayer entityplayer) {
// prevent updates to NPC "viewers"
if (entityplayer instanceof EntityHumanNPC)
return;
if (!trackedPlayers.contains(entityplayer) && tracker instanceof NPCHolder) {
NPC npc = ((NPCHolder) tracker).getNPC();
NPCSeenByPlayerEvent event = new NPCSeenByPlayerEvent(npc, entityplayer.getBukkitEntity());
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled())
return;
}
lastUpdatedPlayer = entityplayer;
super.updatePlayer(entityplayer);
lastUpdatedPlayer = null;
}
private static int getB(EntityTrackerEntry entry) {
try {
Entity entity = entry.tracker;
if (entity instanceof NPCHolder) {
return ((NPCHolder) entity).getNPC().data().get(NPC.Metadata.TRACKING_RANGE, (Integer) B.get(entry));
}
return (Integer) B.get(entry);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return 0;
}
private static int getC(EntityTrackerEntry entry) {
try {
return (Integer) C.get(entry);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return 0;
}
private static boolean getU(EntityTrackerEntry entry) {
try {
return (Boolean) U.get(entry);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return false;
}
private static Field B = NMS.getField(EntityTrackerEntry.class, "b");
private static Field C = NMS.getField(EntityTrackerEntry.class, "c");
private static Field U = NMS.getField(EntityTrackerEntry.class, "u");
}