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DenizenPacketListener.java
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DenizenPacketListener.java
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package net.aufdemrand.denizen.utilities.packets.intercept;
import net.aufdemrand.denizen.events.player.PlayerSteersEntityScriptEvent;
import net.aufdemrand.denizen.events.player.ResourcePackStatusScriptEvent;
import net.aufdemrand.denizen.objects.dEntity;
import net.aufdemrand.denizen.objects.dPlayer;
import net.aufdemrand.denizen.utilities.DenizenAPI;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.packets.PacketHelper;
import net.aufdemrand.denizencore.objects.Element;
import net.minecraft.server.v1_10_R1.*;
import net.minecraft.server.v1_10_R1.PacketPlayInResourcePackStatus.EnumResourcePackStatus;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import java.lang.reflect.Field;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
public class DenizenPacketListener extends AbstractListenerPlayIn {
public DenizenPacketListener(NetworkManager networkManager, EntityPlayer entityPlayer) {
super(networkManager, entityPlayer, entityPlayer.playerConnection);
}
public static void enable() {
DenizenAPI.getCurrentInstance().getServer().getPluginManager()
.registerEvents(new DenizenPacketListener.PlayerEventListener(), DenizenAPI.getCurrentInstance());
}
@Override
public void a(PacketPlayInSetCreativeSlot packet) {
ItemStack itemStack = packet.getItemStack();
if (itemStack != null && itemStack.hasTag() && !itemStack.getTag().isEmpty()) {
NBTTagCompound tag = itemStack.getTag();
if (tag.hasKey("Denizen Item Script")) {
NBTTagCompound display = tag.getCompound("display");
NBTTagList nbtLore = display.hasKey("Lore") ? (NBTTagList) display.get("Lore") : new NBTTagList();
try {
if (nbtLore.size() == 0) {
nbtLore.add(new NBTTagString(tag.getString("Denizen Item Script")));
}
else {
List<NBTBase> list = (List<NBTBase>) nbttaglist_list.get(nbtLore);
list.add(0, new NBTTagString(tag.getString("Denizen Item Script")));
}
display.set("Lore", nbtLore);
}
catch (IllegalAccessException e) {
dB.echoError(e);
}
tag.set("display", display);
tag.remove("Denizen Item Script");
itemStack.setTag(tag);
}
}
super.a(packet);
}
@Override
public void a(PacketPlayInResourcePackStatus packet) {
try {
final EnumResourcePackStatus status = (EnumResourcePackStatus) resource_pack_status.get(packet);
Bukkit.getScheduler().runTask(DenizenAPI.getCurrentInstance(), new Runnable() {
@Override
public void run() {
ResourcePackStatusScriptEvent event = ResourcePackStatusScriptEvent.instance;
// TODO: get hash on server?... last sent hash? event.hash = new Element(hash);
event.status = new Element(status.name());
event.player = dPlayer.mirrorBukkitPlayer(player.getBukkitEntity());
event.fire();
}
});
}
catch (Exception e) {
dB.echoError(e);
}
super.a(packet);
}
@Override
public void a(final PacketPlayInSteerVehicle packet) {
if (PlayerSteersEntityScriptEvent.instance.enabled) {
Future<Boolean> future = Bukkit.getScheduler().callSyncMethod(DenizenAPI.getCurrentInstance(),
new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
PlayerSteersEntityScriptEvent event = PlayerSteersEntityScriptEvent.instance;
Player pl = player.getBukkitEntity();
event.player = dPlayer.mirrorBukkitPlayer(pl);
event.entity = pl.isInsideVehicle() ? new dEntity(pl.getVehicle()) : null;
event.sideways = new Element(packet.a());
event.forward = new Element(packet.b());
event.jump = new Element(packet.c());
event.dismount = new Element(packet.d());
event.fire();
return event.cancelled;
}
}
);
try {
if (future.get()) {
return;
}
}
catch (InterruptedException e) {
e.printStackTrace();
}
catch (ExecutionException e) {
e.printStackTrace();
}
}
super.a(packet);
}
// For compatibility with other plugins using Reflection weirdly...
@Override
public void sendPacket(Packet packet) {
super.sendPacket(packet);
}
// IMPORTANT NOTE WHEN ADDING MORE HANDLERS:
// Packets are handled asynchronously. Remember to use Bukkit's Scheduler!
public static class PlayerEventListener implements Listener {
@EventHandler(priority = EventPriority.LOWEST)
public void onPlayerJoin(PlayerJoinEvent event) {
DenizenNetworkManager.setNetworkManager(event.getPlayer());
}
}
//////////////////////////////////
//// Packet Fields
///////////
private static final Field resource_pack_hash, resource_pack_status;
private static final Field nbttaglist_list;
static {
Map<String, Field> fields = PacketHelper.registerFields(PacketPlayInResourcePackStatus.class);
resource_pack_hash = fields.get("a");
resource_pack_status = fields.get("status");
fields = PacketHelper.registerFields(NBTTagList.class);
nbttaglist_list = fields.get("list");
}
}