import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
public void register() {
    ProtocolLibrary.getProtocolManager().addPacketListener(
            new PacketAdapter(this, WrapperPlayClientUseEntity.TYPE) {
                @Override
                public void onPacketReceiving(PacketEvent event) {
                    if (event.getPacketType() == WrapperPlayClientUseEntity.TYPE) {
                        WrapperPlayClientUseEntity packet = new WrapperPlayClientUseEntity(event.getPacket());
                        int entID = packet.getTarget();
                        if (running.containsKey(event.getPlayer().getUniqueId()) && packet.getType() == EntityUseAction.ATTACK) {
                            running.get(event.getPlayer().getUniqueId()).markAsKilled(entID);
                        }
                    }
                }

            });
    this.isRegistered = true;
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
public void register() {
    ProtocolLibrary.getProtocolManager().addPacketListener(
            new PacketAdapter(this, WrapperPlayClientUseEntity.TYPE) {
                @Override
                public void onPacketReceiving(PacketEvent event) {
                    if (event.getPacketType() == WrapperPlayClientUseEntity.TYPE) {
                        WrapperPlayClientUseEntity packet = new WrapperPlayClientUseEntity(event.getPacket());
                        int entID = packet.getTargetID();
                        if (running.containsKey(event.getPlayer().getUniqueId()) && packet.getType() == EntityUseAction.ATTACK) {
                            running.get(event.getPlayer().getUniqueId()).markAsKilled(entID);
                        }
                    }
                }

            });
    this.isRegistered = true;
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
private void listenForPackets()
{
	this.packetAdapter = new PacketAdapter(AnimulusLib.getInstance().getPlugin(), ListenerPriority.NORMAL,
			PacketType.Play.Client.USE_ENTITY)
	{
		@Override public void onPacketReceiving(PacketEvent packetEvent)
		{
			// taken from PacketWrapper
			EntityUseAction action = packetEvent.getPacket().getEntityUseActions().read(0);
			if(action == EntityUseAction.INTERACT_AT)
				return;

			Player player = packetEvent.getPlayer();
			int entityId = packetEvent.getPacket().getIntegers().read(0);
			StateNPC npc = AnimulusLib.getNPCManager().getNPC(entityId);

			// clicked actual player
			if(npc == null)
				return;

			if(action == EntityUseAction.INTERACT)
				npc.playerRightClick(player);
			else
				npc.playerLeftClick(player);
		}
	};

	ProtocolLibrary.getProtocolManager().addPacketListener(this.packetAdapter);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Retrieve Type.
 * @return The current Type
 */
public EntityUseAction getType() {
	return handle.getEntityUseActions().read(0);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Set Type.
 * @param value - new value.
 */
public void setType(EntityUseAction value) {
	handle.getEntityUseActions().write(0, value);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Retrieve Type.
 * <p>
 * Notes: 0 = INTERACT, 1 = ATTACK, 2 = INTERACT_AT
 * @return The current Type
 */
public EntityUseAction getType() {
    return handle.getEntityUseActions().read(0);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Set Type.
 * @param value - new value.
 */
public void setType(EntityUseAction value) {
    handle.getEntityUseActions().write(0, value);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Retrieve the use action.
 *
 * @return The action.
 */
public EntityUseAction getMouse()
{
    return handle.getEntityUseActions().read(0);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Set the use action.
 *
 * @param value - new action.
 */
public void setMouse(EntityUseAction value)
{
    handle.getEntityUseActions().write(0, value);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Retrieve Type.
 *
 * @return The current Type
 */
public EntityUseAction getType() {
	return handle.getEntityUseActions().read(0);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Set Type.
 *
 * @param value - new value.
 */
public void setType(EntityUseAction value) {
	handle.getEntityUseActions().write(0, value);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Retrieve the use action.
 * @return The action.
*/
public EntityUseAction getMouse() {
    return handle.getEntityUseActions().read(0);
}
 

import com.comphenix.protocol.wrappers.EnumWrappers.EntityUseAction; //导入依赖的package包/类
/**
 * Set the use action.
 * @param value - new action.
*/
public void setMouse(EntityUseAction value) {
    handle.getEntityUseActions().write(0, value);
}